1 | // |
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2 | // gfxcore.cc |
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3 | // |
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4 | // Core drawing code for Aven. |
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5 | // |
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6 | // Copyright (C) 2000-2003,2005,2006 Mark R. Shinwell |
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7 | // Copyright (C) 2001-2003,2004,2005,2006,2007,2010,2011,2012,2014,2015,2016,2017,2018 Olly Betts |
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8 | // Copyright (C) 2005 Martin Green |
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9 | // |
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10 | // This program is free software; you can redistribute it and/or modify |
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11 | // it under the terms of the GNU General Public License as published by |
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12 | // the Free Software Foundation; either version 2 of the License, or |
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13 | // (at your option) any later version. |
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14 | // |
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15 | // This program is distributed in the hope that it will be useful, |
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16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | // GNU General Public License for more details. |
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19 | // |
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20 | // You should have received a copy of the GNU General Public License |
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21 | // along with this program; if not, write to the Free Software |
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22 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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23 | // |
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24 | |
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25 | #ifdef HAVE_CONFIG_H |
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26 | #include <config.h> |
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27 | #endif |
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28 | |
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29 | #include <assert.h> |
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30 | #include <float.h> |
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31 | |
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32 | #include "aven.h" |
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33 | #include "aventreectrl.h" |
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34 | #include "date.h" |
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35 | #include "filename.h" |
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36 | #include "gfxcore.h" |
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37 | #include "hash.h" |
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38 | #include "mainfrm.h" |
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39 | #include "message.h" |
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40 | #include "useful.h" |
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41 | #include "printing.h" |
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42 | #include "guicontrol.h" |
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43 | #include "moviemaker.h" |
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44 | |
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45 | #include <wx/confbase.h> |
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46 | #include <wx/wfstream.h> |
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47 | #include <wx/image.h> |
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48 | #include <wx/zipstrm.h> |
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49 | |
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50 | #define ACCEPT_USE_OF_DEPRECATED_PROJ_API_H 1 |
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51 | #include <proj_api.h> |
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52 | |
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53 | const unsigned long DEFAULT_HGT_DIM = 3601; |
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54 | const unsigned long DEFAULT_HGT_SIZE = sqrd(DEFAULT_HGT_DIM) * 2; |
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55 | |
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56 | // Values for m_SwitchingTo |
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57 | #define PLAN 1 |
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58 | #define ELEVATION 2 |
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59 | #define NORTH 3 |
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60 | #define EAST 4 |
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61 | #define SOUTH 5 |
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62 | #define WEST 6 |
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63 | |
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64 | // Any error value higher than this is clamped to this. |
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65 | #define MAX_ERROR 12.0 |
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66 | |
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67 | // Any length greater than pow(10, LOG_LEN_MAX) will be clamped to this. |
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68 | const Double LOG_LEN_MAX = 1.5; |
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69 | |
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70 | // How many bins per letter height to use when working out non-overlapping |
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71 | // labels. |
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72 | const unsigned int QUANTISE_FACTOR = 2; |
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73 | |
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74 | #include "avenpal.h" |
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75 | |
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76 | static const int INDICATOR_BOX_SIZE = 60; |
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77 | static const int INDICATOR_GAP = 2; |
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78 | static const int INDICATOR_MARGIN = 5; |
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79 | static const int INDICATOR_OFFSET_X = 15; |
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80 | static const int INDICATOR_OFFSET_Y = 15; |
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81 | static const int INDICATOR_RADIUS = INDICATOR_BOX_SIZE / 2 - INDICATOR_MARGIN; |
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82 | static const int KEY_OFFSET_X = 10; |
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83 | static const int KEY_OFFSET_Y = 10; |
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84 | static const int KEY_EXTRA_LEFT_MARGIN = 2; |
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85 | static const int KEY_BLOCK_WIDTH = 20; |
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86 | static const int KEY_BLOCK_HEIGHT = 16; |
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87 | static const int TICK_LENGTH = 4; |
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88 | static const int SCALE_BAR_OFFSET_X = 15; |
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89 | static const int SCALE_BAR_OFFSET_Y = 12; |
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90 | static const int SCALE_BAR_HEIGHT = 12; |
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91 | |
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92 | static const gla_colour TEXT_COLOUR = col_GREEN; |
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93 | static const gla_colour HERE_COLOUR = col_WHITE; |
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94 | static const gla_colour NAME_COLOUR = col_GREEN; |
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95 | static const gla_colour SEL_COLOUR = col_WHITE; |
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96 | // Used with colour by date for legs without date information and with colour |
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97 | // by error for legs not in a loop. |
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98 | static const gla_colour NODATA_COLOUR = col_LIGHT_GREY_2; |
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99 | |
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100 | // Number of entries across and down the hit-test grid: |
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101 | #define HITTEST_SIZE 20 |
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102 | |
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103 | // How close the pointer needs to be to a station to be considered: |
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104 | #define MEASURE_THRESHOLD 7 |
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105 | |
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106 | // vector for lighting angle |
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107 | static const Vector3 light(.577, .577, .577); |
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108 | |
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109 | BEGIN_EVENT_TABLE(GfxCore, GLACanvas) |
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110 | EVT_PAINT(GfxCore::OnPaint) |
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111 | EVT_LEFT_DOWN(GfxCore::OnLButtonDown) |
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112 | EVT_LEFT_UP(GfxCore::OnLButtonUp) |
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113 | EVT_MIDDLE_DOWN(GfxCore::OnMButtonDown) |
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114 | EVT_MIDDLE_UP(GfxCore::OnMButtonUp) |
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115 | EVT_RIGHT_DOWN(GfxCore::OnRButtonDown) |
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116 | EVT_RIGHT_UP(GfxCore::OnRButtonUp) |
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117 | EVT_MOUSEWHEEL(GfxCore::OnMouseWheel) |
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118 | EVT_MOTION(GfxCore::OnMouseMove) |
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119 | EVT_LEAVE_WINDOW(GfxCore::OnLeaveWindow) |
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120 | EVT_SIZE(GfxCore::OnSize) |
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121 | EVT_IDLE(GfxCore::OnIdle) |
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122 | EVT_CHAR(GfxCore::OnKeyPress) |
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123 | END_EVENT_TABLE() |
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124 | |
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125 | GfxCore::GfxCore(MainFrm* parent, wxWindow* parent_win, GUIControl* control) : |
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126 | GLACanvas(parent_win, 100), |
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127 | m_Scale(0.0), |
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128 | initial_scale(1.0), |
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129 | m_ScaleBarWidth(0), |
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130 | m_Control(control), |
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131 | m_LabelGrid(NULL), |
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132 | m_Parent(parent), |
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133 | m_DoneFirstShow(false), |
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134 | m_TiltAngle(0.0), |
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135 | m_PanAngle(0.0), |
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136 | m_Rotating(false), |
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137 | m_RotationStep(0.0), |
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138 | m_SwitchingTo(0), |
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139 | m_Crosses(false), |
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140 | m_Legs(true), |
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141 | m_Splays(SHOW_FADED), |
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142 | m_Dupes(SHOW_DASHED), |
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143 | m_Names(false), |
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144 | m_Scalebar(true), |
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145 | m_ColourKey(true), |
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146 | m_OverlappingNames(false), |
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147 | m_Compass(true), |
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148 | m_Clino(true), |
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149 | m_Tubes(false), |
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150 | m_ColourBy(COLOUR_BY_DEPTH), |
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151 | m_HaveData(false), |
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152 | m_HaveTerrain(true), |
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153 | m_MouseOutsideCompass(false), |
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154 | m_MouseOutsideElev(false), |
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155 | m_Surface(false), |
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156 | m_Entrances(false), |
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157 | m_FixedPts(false), |
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158 | m_ExportedPts(false), |
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159 | m_Grid(false), |
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160 | m_BoundingBox(false), |
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161 | m_Terrain(false), |
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162 | m_Degrees(false), |
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163 | m_Metric(false), |
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164 | m_Percent(false), |
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165 | m_HitTestDebug(false), |
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166 | m_RenderStats(false), |
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167 | m_PointGrid(NULL), |
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168 | m_HitTestGridValid(false), |
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169 | m_here(NULL), |
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170 | m_there(NULL), |
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171 | presentation_mode(0), |
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172 | pres_reverse(false), |
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173 | pres_speed(0.0), |
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174 | movie(NULL), |
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175 | current_cursor(GfxCore::CURSOR_DEFAULT), |
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176 | sqrd_measure_threshold(sqrd(MEASURE_THRESHOLD)), |
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177 | dem(NULL), |
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178 | last_time(0), |
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179 | n_tris(0) |
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180 | { |
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181 | AddQuad = &GfxCore::AddQuadrilateralDepth; |
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182 | AddPoly = &GfxCore::AddPolylineDepth; |
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183 | wxConfigBase::Get()->Read(wxT("metric"), &m_Metric, true); |
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184 | wxConfigBase::Get()->Read(wxT("degrees"), &m_Degrees, true); |
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185 | wxConfigBase::Get()->Read(wxT("percent"), &m_Percent, false); |
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186 | |
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187 | for (int pen = 0; pen < NUM_COLOUR_BANDS + 1; ++pen) { |
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188 | m_Pens[pen].SetColour(REDS[pen] / 255.0, |
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189 | GREENS[pen] / 255.0, |
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190 | BLUES[pen] / 255.0); |
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191 | } |
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192 | |
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193 | timer.Start(); |
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194 | } |
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195 | |
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196 | GfxCore::~GfxCore() |
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197 | { |
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198 | TryToFreeArrays(); |
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199 | |
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200 | delete[] m_PointGrid; |
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201 | } |
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202 | |
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203 | void GfxCore::TryToFreeArrays() |
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204 | { |
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205 | // Free up any memory allocated for arrays. |
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206 | delete[] m_LabelGrid; |
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207 | m_LabelGrid = NULL; |
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208 | } |
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209 | |
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210 | // |
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211 | // Initialisation methods |
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212 | // |
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213 | |
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214 | void GfxCore::Initialise(bool same_file) |
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215 | { |
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216 | // Initialise the view from the parent holding the survey data. |
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217 | |
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218 | TryToFreeArrays(); |
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219 | |
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220 | m_DoneFirstShow = false; |
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221 | |
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222 | m_HitTestGridValid = false; |
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223 | m_here = NULL; |
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224 | m_there = NULL; |
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225 | |
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226 | m_MouseOutsideCompass = m_MouseOutsideElev = false; |
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227 | |
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228 | if (!same_file) { |
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229 | // Apply default parameters unless reloading the same file. |
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230 | DefaultParameters(); |
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231 | } |
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232 | |
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233 | m_HaveData = true; |
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234 | |
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235 | // Clear any cached OpenGL lists which depend on the data. |
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236 | InvalidateList(LIST_SCALE_BAR); |
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237 | InvalidateList(LIST_DEPTH_KEY); |
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238 | InvalidateList(LIST_DATE_KEY); |
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239 | InvalidateList(LIST_ERROR_KEY); |
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240 | InvalidateList(LIST_GRADIENT_KEY); |
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241 | InvalidateList(LIST_LENGTH_KEY); |
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242 | InvalidateList(LIST_UNDERGROUND_LEGS); |
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243 | InvalidateList(LIST_TUBES); |
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244 | InvalidateList(LIST_SURFACE_LEGS); |
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245 | InvalidateList(LIST_BLOBS); |
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246 | InvalidateList(LIST_CROSSES); |
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247 | InvalidateList(LIST_GRID); |
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248 | InvalidateList(LIST_SHADOW); |
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249 | InvalidateList(LIST_TERRAIN); |
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250 | |
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251 | // Set diameter of the viewing volume. |
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252 | auto ext = m_Parent->GetExtent(); |
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253 | double cave_diameter = sqrt(sqrd(ext.GetX()) + |
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254 | sqrd(ext.GetY()) + |
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255 | sqrd(ext.GetZ())); |
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256 | |
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257 | // Allow for terrain. |
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258 | double diameter = max(1000.0 * 2, cave_diameter * 2); |
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259 | |
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260 | if (!same_file) { |
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261 | SetVolumeDiameter(diameter); |
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262 | |
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263 | // Set initial scale based on the size of the cave. |
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264 | initial_scale = diameter / cave_diameter; |
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265 | SetScale(initial_scale); |
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266 | } else { |
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267 | // Adjust the position when restricting the view to a subsurvey (or |
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268 | // expanding the view to show the whole survey). |
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269 | AddTranslation(m_Parent->GetOffset() - offsets); |
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270 | |
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271 | // Try to keep the same scale, allowing for the |
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272 | // cave having grown (or shrunk). |
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273 | double rescale = GetVolumeDiameter() / diameter; |
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274 | SetVolumeDiameter(diameter); |
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275 | SetScale(GetScale() / rescale); // ? |
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276 | initial_scale = initial_scale * rescale; |
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277 | } |
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278 | |
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279 | offsets = m_Parent->GetOffset(); |
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280 | |
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281 | ForceRefresh(); |
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282 | } |
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283 | |
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284 | void GfxCore::FirstShow() |
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285 | { |
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286 | GLACanvas::FirstShow(); |
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287 | |
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288 | const unsigned int quantise(GetFontSize() / QUANTISE_FACTOR); |
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289 | list<LabelInfo*>::iterator pos = m_Parent->GetLabelsNC(); |
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290 | while (pos != m_Parent->GetLabelsNCEnd()) { |
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291 | LabelInfo* label = *pos++; |
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292 | // Calculate and set the label width for use when plotting |
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293 | // none-overlapping labels. |
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294 | int ext_x; |
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295 | GLACanvas::GetTextExtent(label->GetText(), &ext_x, NULL); |
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296 | label->set_width(unsigned(ext_x) / quantise + 1); |
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297 | } |
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298 | |
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299 | m_DoneFirstShow = true; |
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300 | } |
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301 | |
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302 | // |
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303 | // Recalculating methods |
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304 | // |
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305 | |
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306 | void GfxCore::SetScale(Double scale) |
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307 | { |
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308 | if (scale < 0.05) { |
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309 | scale = 0.05; |
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310 | } else if (scale > GetVolumeDiameter()) { |
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311 | scale = GetVolumeDiameter(); |
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312 | } |
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313 | |
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314 | m_Scale = scale; |
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315 | m_HitTestGridValid = false; |
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316 | if (m_here && m_here == &temp_here) SetHere(); |
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317 | |
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318 | GLACanvas::SetScale(scale); |
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319 | } |
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320 | |
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321 | bool GfxCore::HasUndergroundLegs() const |
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322 | { |
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323 | return m_Parent->HasUndergroundLegs(); |
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324 | } |
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325 | |
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326 | bool GfxCore::HasSplays() const |
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327 | { |
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328 | return m_Parent->HasSplays(); |
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329 | } |
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330 | |
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331 | bool GfxCore::HasDupes() const |
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332 | { |
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333 | return m_Parent->HasDupes(); |
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334 | } |
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335 | |
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336 | bool GfxCore::HasSurfaceLegs() const |
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337 | { |
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338 | return m_Parent->HasSurfaceLegs(); |
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339 | } |
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340 | |
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341 | bool GfxCore::HasTubes() const |
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342 | { |
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343 | return m_Parent->HasTubes(); |
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344 | } |
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345 | |
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346 | void GfxCore::UpdateBlobs() |
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347 | { |
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348 | InvalidateList(LIST_BLOBS); |
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349 | } |
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350 | |
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351 | // |
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352 | // Event handlers |
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353 | // |
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354 | |
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355 | void GfxCore::OnLeaveWindow(wxMouseEvent&) { |
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356 | SetHere(); |
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357 | ClearCoords(); |
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358 | } |
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359 | |
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360 | void GfxCore::OnIdle(wxIdleEvent& event) |
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361 | { |
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362 | // Handle an idle event. |
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363 | if (Animating()) { |
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364 | Animate(); |
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365 | // If still animating, we want more idle events. |
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366 | if (Animating()) |
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367 | event.RequestMore(); |
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368 | } else { |
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369 | // If we're idle, don't show a bogus FPS next time we render. |
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370 | last_time = 0; |
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371 | } |
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372 | } |
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373 | |
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374 | void GfxCore::OnPaint(wxPaintEvent&) |
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375 | { |
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376 | // Redraw the window. |
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377 | |
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378 | // Get a graphics context. |
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379 | wxPaintDC dc(this); |
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380 | |
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381 | if (m_HaveData) { |
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382 | // Make sure we're initialised. |
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383 | bool first_time = !m_DoneFirstShow; |
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384 | if (first_time) { |
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385 | FirstShow(); |
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386 | } |
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387 | |
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388 | StartDrawing(); |
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389 | |
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390 | // Clear the background. |
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391 | Clear(); |
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392 | |
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393 | // Set up model transformation matrix. |
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394 | SetDataTransform(); |
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395 | |
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396 | if (m_Legs || m_Tubes) { |
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397 | if (m_Tubes) { |
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398 | EnableSmoothPolygons(true); // FIXME: allow false for wireframe view |
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399 | DrawList(LIST_TUBES); |
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400 | DisableSmoothPolygons(); |
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401 | } |
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402 | |
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403 | // Draw the underground legs. Do this last so that anti-aliasing |
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404 | // works over polygons. |
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405 | SetColour(col_GREEN); |
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406 | DrawList(LIST_UNDERGROUND_LEGS); |
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407 | } |
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408 | |
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409 | if (m_Surface) { |
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410 | // Draw the surface legs. |
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411 | DrawList(LIST_SURFACE_LEGS); |
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412 | } |
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413 | |
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414 | if (m_BoundingBox) { |
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415 | DrawShadowedBoundingBox(); |
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416 | } |
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417 | if (m_Grid) { |
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418 | // Draw the grid. |
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419 | DrawList(LIST_GRID); |
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420 | } |
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421 | |
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422 | DrawList(LIST_BLOBS); |
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423 | |
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424 | if (m_Crosses) { |
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425 | DrawList(LIST_CROSSES); |
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426 | } |
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427 | |
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428 | if (m_Terrain) { |
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429 | // Disable texturing while drawing terrain. |
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430 | bool texturing = GetTextured(); |
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431 | if (texturing) GLACanvas::ToggleTextured(); |
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432 | |
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433 | // This is needed if blobs and/or crosses are drawn using lines - |
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434 | // otherwise the terrain doesn't appear when they are enabled. |
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435 | SetDataTransform(); |
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436 | |
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437 | // We don't want to be able to see the terrain through itself, so |
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438 | // do a "Z-prepass" - plot the terrain once only updating the |
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439 | // Z-buffer, then again with Z-clipping only plotting where the |
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440 | // depth matches the value in the Z-buffer. |
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441 | DrawListZPrepass(LIST_TERRAIN); |
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442 | |
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443 | if (texturing) GLACanvas::ToggleTextured(); |
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444 | } |
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445 | |
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446 | SetIndicatorTransform(); |
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447 | |
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448 | // Draw station names. |
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449 | if (m_Names /*&& !m_Control->MouseDown() && !Animating()*/) { |
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450 | SetColour(NAME_COLOUR); |
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451 | |
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452 | if (m_OverlappingNames) { |
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453 | SimpleDrawNames(); |
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454 | } else { |
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455 | NattyDrawNames(); |
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456 | } |
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457 | } |
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458 | |
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459 | if (!highlighted_survey.empty()) { |
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460 | HighlightSurvey(); |
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461 | } |
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462 | |
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463 | if (m_HitTestDebug) { |
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464 | // Show the hit test grid bucket sizes... |
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465 | SetColour(m_HitTestGridValid ? col_LIGHT_GREY : col_DARK_GREY); |
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466 | if (m_PointGrid) { |
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467 | for (int i = 0; i != HITTEST_SIZE; ++i) { |
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468 | int x = (GetXSize() + 1) * i / HITTEST_SIZE + 2; |
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469 | for (int j = 0; j != HITTEST_SIZE; ++j) { |
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470 | int square = i + j * HITTEST_SIZE; |
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471 | unsigned long bucket_size = m_PointGrid[square].size(); |
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472 | if (bucket_size) { |
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473 | int y = (GetYSize() + 1) * (HITTEST_SIZE - 1 - j) / HITTEST_SIZE; |
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474 | DrawIndicatorText(x, y, wxString::Format(wxT("%lu"), bucket_size)); |
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475 | } |
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476 | } |
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477 | } |
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478 | } |
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479 | |
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480 | EnableDashedLines(); |
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481 | BeginLines(); |
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482 | for (int i = 0; i != HITTEST_SIZE; ++i) { |
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483 | int x = (GetXSize() + 1) * i / HITTEST_SIZE; |
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484 | PlaceIndicatorVertex(x, 0); |
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485 | PlaceIndicatorVertex(x, GetYSize()); |
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486 | } |
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487 | for (int j = 0; j != HITTEST_SIZE; ++j) { |
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488 | int y = (GetYSize() + 1) * (HITTEST_SIZE - 1 - j) / HITTEST_SIZE; |
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489 | PlaceIndicatorVertex(0, y); |
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490 | PlaceIndicatorVertex(GetXSize(), y); |
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491 | } |
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492 | EndLines(); |
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493 | DisableDashedLines(); |
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494 | } |
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495 | |
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496 | long now = timer.Time(); |
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497 | if (m_RenderStats) { |
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498 | // Show stats about rendering. |
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499 | SetColour(col_TURQUOISE); |
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500 | int y = GetYSize() - GetFontSize(); |
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501 | if (last_time != 0.0) { |
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502 | // timer.Time() measure in milliseconds. |
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503 | double fps = 1000.0 / (now - last_time); |
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504 | DrawIndicatorText(1, y, wxString::Format(wxT("FPS:% 5.1f"), fps)); |
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505 | } |
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506 | y -= GetFontSize(); |
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507 | DrawIndicatorText(1, y, wxString::Format(wxT("▲:%lu"), (unsigned long)n_tris)); |
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508 | } |
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509 | last_time = now; |
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510 | |
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511 | // Draw indicators. |
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512 | // |
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513 | // There's no advantage in generating an OpenGL list for the |
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514 | // indicators since they change with almost every redraw (and |
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515 | // sometimes several times between redraws). This way we avoid |
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516 | // the need to track when to update the indicator OpenGL list, |
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517 | // and also avoid indicator update bugs when we don't quite get this |
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518 | // right... |
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519 | DrawIndicators(); |
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520 | |
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521 | if (zoombox.active()) { |
---|
522 | SetColour(SEL_COLOUR); |
---|
523 | EnableDashedLines(); |
---|
524 | BeginPolyline(); |
---|
525 | glaCoord Y = GetYSize(); |
---|
526 | PlaceIndicatorVertex(zoombox.x1, Y - zoombox.y1); |
---|
527 | PlaceIndicatorVertex(zoombox.x1, Y - zoombox.y2); |
---|
528 | PlaceIndicatorVertex(zoombox.x2, Y - zoombox.y2); |
---|
529 | PlaceIndicatorVertex(zoombox.x2, Y - zoombox.y1); |
---|
530 | PlaceIndicatorVertex(zoombox.x1, Y - zoombox.y1); |
---|
531 | EndPolyline(); |
---|
532 | DisableDashedLines(); |
---|
533 | } else if (MeasuringLineActive()) { |
---|
534 | // Draw "here" and "there". |
---|
535 | double hx, hy; |
---|
536 | SetColour(HERE_COLOUR); |
---|
537 | if (m_here) { |
---|
538 | double dummy; |
---|
539 | Transform(*m_here, &hx, &hy, &dummy); |
---|
540 | if (m_here != &temp_here) DrawRing(hx, hy); |
---|
541 | } |
---|
542 | if (m_there) { |
---|
543 | double tx, ty; |
---|
544 | double dummy; |
---|
545 | Transform(*m_there, &tx, &ty, &dummy); |
---|
546 | if (m_here) { |
---|
547 | BeginLines(); |
---|
548 | PlaceIndicatorVertex(hx, hy); |
---|
549 | PlaceIndicatorVertex(tx, ty); |
---|
550 | EndLines(); |
---|
551 | } |
---|
552 | BeginBlobs(); |
---|
553 | DrawBlob(tx, ty); |
---|
554 | EndBlobs(); |
---|
555 | } |
---|
556 | } |
---|
557 | |
---|
558 | FinishDrawing(); |
---|
559 | } else { |
---|
560 | dc.SetBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWFRAME)); |
---|
561 | dc.Clear(); |
---|
562 | } |
---|
563 | } |
---|
564 | |
---|
565 | void GfxCore::DrawBoundingBox() |
---|
566 | { |
---|
567 | const Vector3 v = 0.5 * m_Parent->GetExtent(); |
---|
568 | |
---|
569 | SetColour(col_BLUE); |
---|
570 | EnableDashedLines(); |
---|
571 | BeginPolyline(); |
---|
572 | PlaceVertex(-v.GetX(), -v.GetY(), v.GetZ()); |
---|
573 | PlaceVertex(-v.GetX(), v.GetY(), v.GetZ()); |
---|
574 | PlaceVertex(v.GetX(), v.GetY(), v.GetZ()); |
---|
575 | PlaceVertex(v.GetX(), -v.GetY(), v.GetZ()); |
---|
576 | PlaceVertex(-v.GetX(), -v.GetY(), v.GetZ()); |
---|
577 | EndPolyline(); |
---|
578 | BeginPolyline(); |
---|
579 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
---|
580 | PlaceVertex(-v.GetX(), v.GetY(), -v.GetZ()); |
---|
581 | PlaceVertex(v.GetX(), v.GetY(), -v.GetZ()); |
---|
582 | PlaceVertex(v.GetX(), -v.GetY(), -v.GetZ()); |
---|
583 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
---|
584 | EndPolyline(); |
---|
585 | BeginLines(); |
---|
586 | PlaceVertex(-v.GetX(), -v.GetY(), v.GetZ()); |
---|
587 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
---|
588 | PlaceVertex(-v.GetX(), v.GetY(), v.GetZ()); |
---|
589 | PlaceVertex(-v.GetX(), v.GetY(), -v.GetZ()); |
---|
590 | PlaceVertex(v.GetX(), v.GetY(), v.GetZ()); |
---|
591 | PlaceVertex(v.GetX(), v.GetY(), -v.GetZ()); |
---|
592 | PlaceVertex(v.GetX(), -v.GetY(), v.GetZ()); |
---|
593 | PlaceVertex(v.GetX(), -v.GetY(), -v.GetZ()); |
---|
594 | EndLines(); |
---|
595 | DisableDashedLines(); |
---|
596 | } |
---|
597 | |
---|
598 | void GfxCore::DrawShadowedBoundingBox() |
---|
599 | { |
---|
600 | const Vector3 v = 0.5 * m_Parent->GetExtent(); |
---|
601 | |
---|
602 | DrawBoundingBox(); |
---|
603 | |
---|
604 | PolygonOffset(true); |
---|
605 | SetColour(col_DARK_GREY); |
---|
606 | BeginQuadrilaterals(); |
---|
607 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
---|
608 | PlaceVertex(-v.GetX(), v.GetY(), -v.GetZ()); |
---|
609 | PlaceVertex(v.GetX(), v.GetY(), -v.GetZ()); |
---|
610 | PlaceVertex(v.GetX(), -v.GetY(), -v.GetZ()); |
---|
611 | EndQuadrilaterals(); |
---|
612 | PolygonOffset(false); |
---|
613 | |
---|
614 | DrawList(LIST_SHADOW); |
---|
615 | } |
---|
616 | |
---|
617 | void GfxCore::DrawGrid() |
---|
618 | { |
---|
619 | // Draw the grid. |
---|
620 | SetColour(col_RED); |
---|
621 | |
---|
622 | // Calculate the extent of the survey, in metres across the screen plane. |
---|
623 | Double m_across_screen = SurveyUnitsAcrossViewport(); |
---|
624 | // Calculate the length of the scale bar in metres. |
---|
625 | //--move this elsewhere |
---|
626 | Double size_snap = pow(10.0, floor(log10(0.75 * m_across_screen))); |
---|
627 | Double t = m_across_screen * 0.75 / size_snap; |
---|
628 | if (t >= 5.0) { |
---|
629 | size_snap *= 5.0; |
---|
630 | } |
---|
631 | else if (t >= 2.0) { |
---|
632 | size_snap *= 2.0; |
---|
633 | } |
---|
634 | |
---|
635 | Double grid_size = size_snap * 0.1; |
---|
636 | Double edge = grid_size * 2.0; |
---|
637 | auto ext = m_Parent->GetExtent(); |
---|
638 | Double grid_z = -ext.GetZ() * 0.5 - grid_size; |
---|
639 | Double left = -ext.GetX() * 0.5 - edge; |
---|
640 | Double right = ext.GetX() * 0.5 + edge; |
---|
641 | Double bottom = -ext.GetY() * 0.5 - edge; |
---|
642 | Double top = ext.GetY() * 0.5 + edge; |
---|
643 | int count_x = (int) ceil((right - left) / grid_size); |
---|
644 | int count_y = (int) ceil((top - bottom) / grid_size); |
---|
645 | Double actual_right = left + count_x*grid_size; |
---|
646 | Double actual_top = bottom + count_y*grid_size; |
---|
647 | |
---|
648 | BeginLines(); |
---|
649 | |
---|
650 | for (int xc = 0; xc <= count_x; xc++) { |
---|
651 | Double x = left + xc*grid_size; |
---|
652 | |
---|
653 | PlaceVertex(x, bottom, grid_z); |
---|
654 | PlaceVertex(x, actual_top, grid_z); |
---|
655 | } |
---|
656 | |
---|
657 | for (int yc = 0; yc <= count_y; yc++) { |
---|
658 | Double y = bottom + yc*grid_size; |
---|
659 | PlaceVertex(left, y, grid_z); |
---|
660 | PlaceVertex(actual_right, y, grid_z); |
---|
661 | } |
---|
662 | |
---|
663 | EndLines(); |
---|
664 | } |
---|
665 | |
---|
666 | int GfxCore::GetClinoOffset() const |
---|
667 | { |
---|
668 | int result = INDICATOR_OFFSET_X; |
---|
669 | if (m_Compass) { |
---|
670 | result += 6 + GetCompassWidth() + INDICATOR_GAP; |
---|
671 | } |
---|
672 | return result; |
---|
673 | } |
---|
674 | |
---|
675 | void GfxCore::DrawTick(int angle_cw) |
---|
676 | { |
---|
677 | const Double theta = rad(angle_cw); |
---|
678 | const wxCoord length1 = INDICATOR_RADIUS; |
---|
679 | const wxCoord length0 = length1 + TICK_LENGTH; |
---|
680 | wxCoord x0 = wxCoord(length0 * sin(theta)); |
---|
681 | wxCoord y0 = wxCoord(length0 * cos(theta)); |
---|
682 | wxCoord x1 = wxCoord(length1 * sin(theta)); |
---|
683 | wxCoord y1 = wxCoord(length1 * cos(theta)); |
---|
684 | |
---|
685 | PlaceIndicatorVertex(x0, y0); |
---|
686 | PlaceIndicatorVertex(x1, y1); |
---|
687 | } |
---|
688 | |
---|
689 | void GfxCore::DrawArrow(gla_colour col1, gla_colour col2) { |
---|
690 | Vector3 p1(0, INDICATOR_RADIUS, 0); |
---|
691 | Vector3 p2(INDICATOR_RADIUS/2, INDICATOR_RADIUS*-.866025404, 0); // 150deg |
---|
692 | Vector3 p3(-INDICATOR_RADIUS/2, INDICATOR_RADIUS*-.866025404, 0); // 210deg |
---|
693 | Vector3 pc(0, 0, 0); |
---|
694 | |
---|
695 | DrawTriangle(col_LIGHT_GREY, col1, p2, p1, pc); |
---|
696 | DrawTriangle(col_LIGHT_GREY, col2, p3, p1, pc); |
---|
697 | } |
---|
698 | |
---|
699 | void GfxCore::DrawCompass() { |
---|
700 | // Ticks. |
---|
701 | BeginLines(); |
---|
702 | for (int angle = 315; angle > 0; angle -= 45) { |
---|
703 | DrawTick(angle); |
---|
704 | } |
---|
705 | SetColour(col_GREEN); |
---|
706 | DrawTick(0); |
---|
707 | EndLines(); |
---|
708 | |
---|
709 | // Compass background. |
---|
710 | DrawCircle(col_LIGHT_GREY_2, col_GREY, 0, 0, INDICATOR_RADIUS); |
---|
711 | |
---|
712 | // Compass arrow. |
---|
713 | DrawArrow(col_INDICATOR_1, col_INDICATOR_2); |
---|
714 | } |
---|
715 | |
---|
716 | // Draw the non-rotating background to the clino. |
---|
717 | void GfxCore::DrawClinoBack() { |
---|
718 | BeginLines(); |
---|
719 | for (int angle = 0; angle <= 180; angle += 90) { |
---|
720 | DrawTick(angle); |
---|
721 | } |
---|
722 | |
---|
723 | SetColour(col_GREY); |
---|
724 | PlaceIndicatorVertex(0, INDICATOR_RADIUS); |
---|
725 | PlaceIndicatorVertex(0, -INDICATOR_RADIUS); |
---|
726 | PlaceIndicatorVertex(0, 0); |
---|
727 | PlaceIndicatorVertex(INDICATOR_RADIUS, 0); |
---|
728 | |
---|
729 | EndLines(); |
---|
730 | } |
---|
731 | |
---|
732 | void GfxCore::DrawClino() { |
---|
733 | // Ticks. |
---|
734 | SetColour(col_GREEN); |
---|
735 | BeginLines(); |
---|
736 | DrawTick(0); |
---|
737 | EndLines(); |
---|
738 | |
---|
739 | // Clino background. |
---|
740 | DrawSemicircle(col_LIGHT_GREY_2, col_GREY, 0, 0, INDICATOR_RADIUS, 0); |
---|
741 | |
---|
742 | // Elevation arrow. |
---|
743 | DrawArrow(col_INDICATOR_2, col_INDICATOR_1); |
---|
744 | } |
---|
745 | |
---|
746 | void GfxCore::Draw2dIndicators() |
---|
747 | { |
---|
748 | // Draw the compass and elevation indicators. |
---|
749 | |
---|
750 | const int centre_y = INDICATOR_BOX_SIZE / 2 + INDICATOR_OFFSET_Y; |
---|
751 | |
---|
752 | const int comp_centre_x = GetCompassXPosition(); |
---|
753 | |
---|
754 | if (m_Compass && !m_Parent->IsExtendedElevation()) { |
---|
755 | // If the user is dragging the compass with the pointer outside the |
---|
756 | // compass, we snap to 45 degree multiples, and the ticks go white. |
---|
757 | SetColour(m_MouseOutsideCompass ? col_WHITE : col_LIGHT_GREY_2); |
---|
758 | DrawList2D(LIST_COMPASS, comp_centre_x, centre_y, -m_PanAngle); |
---|
759 | } |
---|
760 | |
---|
761 | const int elev_centre_x = GetClinoXPosition(); |
---|
762 | |
---|
763 | if (m_Clino) { |
---|
764 | // If the user is dragging the clino with the pointer outside the |
---|
765 | // clino, we snap to 90 degree multiples, and the ticks go white. |
---|
766 | SetColour(m_MouseOutsideElev ? col_WHITE : col_LIGHT_GREY_2); |
---|
767 | DrawList2D(LIST_CLINO_BACK, elev_centre_x, centre_y, 0); |
---|
768 | DrawList2D(LIST_CLINO, elev_centre_x, centre_y, 90 - m_TiltAngle); |
---|
769 | } |
---|
770 | |
---|
771 | SetColour(TEXT_COLOUR); |
---|
772 | |
---|
773 | static int triple_zero_width = 0; |
---|
774 | static int height = 0; |
---|
775 | if (!triple_zero_width) { |
---|
776 | GetTextExtent(wxT("000"), &triple_zero_width, &height); |
---|
777 | } |
---|
778 | const int y_off = INDICATOR_OFFSET_Y + INDICATOR_BOX_SIZE + height / 2; |
---|
779 | |
---|
780 | if (m_Compass && !m_Parent->IsExtendedElevation()) { |
---|
781 | wxString str; |
---|
782 | int value; |
---|
783 | int brg_unit; |
---|
784 | if (m_Degrees) { |
---|
785 | value = int(m_PanAngle); |
---|
786 | /* TRANSLATORS: degree symbol - probably should be translated to |
---|
787 | * itself. */ |
---|
788 | brg_unit = /*°*/344; |
---|
789 | } else { |
---|
790 | value = int(m_PanAngle * 200.0 / 180.0); |
---|
791 | /* TRANSLATORS: symbol for grad (400 grad = 360 degrees = full |
---|
792 | * circle). */ |
---|
793 | brg_unit = /*ᵍ*/345; |
---|
794 | } |
---|
795 | str.Printf(wxT("%03d"), value); |
---|
796 | str += wmsg(brg_unit); |
---|
797 | DrawIndicatorText(comp_centre_x - triple_zero_width / 2, y_off, str); |
---|
798 | |
---|
799 | // TRANSLATORS: Used in aven above the compass indicator at the lower |
---|
800 | // right of the display, with a bearing below "Facing". This indicates the |
---|
801 | // direction the viewer is "facing" in. |
---|
802 | // |
---|
803 | // Try to keep this translation short - ideally at most 10 characters - |
---|
804 | // as otherwise the compass and clino will be moved further apart to |
---|
805 | // make room. */ |
---|
806 | str = wmsg(/*Facing*/203); |
---|
807 | int w; |
---|
808 | GetTextExtent(str, &w, NULL); |
---|
809 | DrawIndicatorText(comp_centre_x - w / 2, y_off + height, str); |
---|
810 | } |
---|
811 | |
---|
812 | if (m_Clino) { |
---|
813 | if (m_TiltAngle == -90.0) { |
---|
814 | // TRANSLATORS: Label used for "clino" in Aven when the view is |
---|
815 | // from directly above. |
---|
816 | // |
---|
817 | // Try to keep this translation short - ideally at most 10 |
---|
818 | // characters - as otherwise the compass and clino will be moved |
---|
819 | // further apart to make room. */ |
---|
820 | wxString str = wmsg(/*Plan*/432); |
---|
821 | static int width = 0; |
---|
822 | if (!width) { |
---|
823 | GetTextExtent(str, &width, NULL); |
---|
824 | } |
---|
825 | int x = elev_centre_x - width / 2; |
---|
826 | DrawIndicatorText(x, y_off + height / 2, str); |
---|
827 | } else if (m_TiltAngle == 90.0) { |
---|
828 | // TRANSLATORS: Label used for "clino" in Aven when the view is |
---|
829 | // from directly below. |
---|
830 | // |
---|
831 | // Try to keep this translation short - ideally at most 10 |
---|
832 | // characters - as otherwise the compass and clino will be moved |
---|
833 | // further apart to make room. */ |
---|
834 | wxString str = wmsg(/*Kiwi Plan*/433); |
---|
835 | static int width = 0; |
---|
836 | if (!width) { |
---|
837 | GetTextExtent(str, &width, NULL); |
---|
838 | } |
---|
839 | int x = elev_centre_x - width / 2; |
---|
840 | DrawIndicatorText(x, y_off + height / 2, str); |
---|
841 | } else { |
---|
842 | int angle; |
---|
843 | wxString str; |
---|
844 | int width; |
---|
845 | int unit; |
---|
846 | if (m_Percent) { |
---|
847 | static int zero_width = 0; |
---|
848 | if (!zero_width) { |
---|
849 | GetTextExtent(wxT("0"), &zero_width, NULL); |
---|
850 | } |
---|
851 | width = zero_width; |
---|
852 | if (m_TiltAngle > 89.99) { |
---|
853 | angle = 1000000; |
---|
854 | } else if (m_TiltAngle < -89.99) { |
---|
855 | angle = -1000000; |
---|
856 | } else { |
---|
857 | angle = int(100 * tan(rad(m_TiltAngle))); |
---|
858 | } |
---|
859 | if (angle > 99999 || angle < -99999) { |
---|
860 | str = angle > 0 ? wxT("+") : wxT("-"); |
---|
861 | /* TRANSLATORS: infinity symbol - used for the percentage gradient on |
---|
862 | * vertical angles. */ |
---|
863 | str += wmsg(/*∞*/431); |
---|
864 | } else { |
---|
865 | str = angle ? wxString::Format(wxT("%+03d"), angle) : wxT("0"); |
---|
866 | } |
---|
867 | /* TRANSLATORS: symbol for percentage gradient (100% = 45 |
---|
868 | * degrees = 50 grad). */ |
---|
869 | unit = /*%*/96; |
---|
870 | } else if (m_Degrees) { |
---|
871 | static int zero_zero_width = 0; |
---|
872 | if (!zero_zero_width) { |
---|
873 | GetTextExtent(wxT("00"), &zero_zero_width, NULL); |
---|
874 | } |
---|
875 | width = zero_zero_width; |
---|
876 | angle = int(m_TiltAngle); |
---|
877 | str = angle ? wxString::Format(wxT("%+03d"), angle) : wxT("00"); |
---|
878 | unit = /*°*/344; |
---|
879 | } else { |
---|
880 | width = triple_zero_width; |
---|
881 | angle = int(m_TiltAngle * 200.0 / 180.0); |
---|
882 | str = angle ? wxString::Format(wxT("%+04d"), angle) : wxT("000"); |
---|
883 | unit = /*ᵍ*/345; |
---|
884 | } |
---|
885 | |
---|
886 | int sign_offset = 0; |
---|
887 | if (unit == /*%*/96) { |
---|
888 | // Right align % since the width changes so much. |
---|
889 | GetTextExtent(str, &sign_offset, NULL); |
---|
890 | sign_offset -= width; |
---|
891 | } else if (angle < 0) { |
---|
892 | // Adjust horizontal position so the left of the first digit is |
---|
893 | // always in the same place. |
---|
894 | static int minus_width = 0; |
---|
895 | if (!minus_width) { |
---|
896 | GetTextExtent(wxT("-"), &minus_width, NULL); |
---|
897 | } |
---|
898 | sign_offset = minus_width; |
---|
899 | } else if (angle > 0) { |
---|
900 | // Adjust horizontal position so the left of the first digit is |
---|
901 | // always in the same place. |
---|
902 | static int plus_width = 0; |
---|
903 | if (!plus_width) { |
---|
904 | GetTextExtent(wxT("+"), &plus_width, NULL); |
---|
905 | } |
---|
906 | sign_offset = plus_width; |
---|
907 | } |
---|
908 | |
---|
909 | str += wmsg(unit); |
---|
910 | DrawIndicatorText(elev_centre_x - sign_offset - width / 2, y_off, str); |
---|
911 | |
---|
912 | // TRANSLATORS: Label used for "clino" in Aven when the view is |
---|
913 | // neither from directly above nor from directly below. It is |
---|
914 | // also used in the dialog for editing a marked position in a |
---|
915 | // presentation. |
---|
916 | // |
---|
917 | // Try to keep this translation short - ideally at most 10 |
---|
918 | // characters - as otherwise the compass and clino will be moved |
---|
919 | // further apart to make room. */ |
---|
920 | str = wmsg(/*Elevation*/118); |
---|
921 | static int elevation_width = 0; |
---|
922 | if (!elevation_width) { |
---|
923 | GetTextExtent(str, &elevation_width, NULL); |
---|
924 | } |
---|
925 | int x = elev_centre_x - elevation_width / 2; |
---|
926 | DrawIndicatorText(x, y_off + height, str); |
---|
927 | } |
---|
928 | } |
---|
929 | } |
---|
930 | |
---|
931 | void GfxCore::NattyDrawNames() |
---|
932 | { |
---|
933 | // Draw station names, without overlapping. |
---|
934 | |
---|
935 | const unsigned int quantise(GetFontSize() / QUANTISE_FACTOR); |
---|
936 | const unsigned int quantised_x = GetXSize() / quantise; |
---|
937 | const unsigned int quantised_y = GetYSize() / quantise; |
---|
938 | const size_t buffer_size = quantised_x * quantised_y; |
---|
939 | |
---|
940 | if (!m_LabelGrid) m_LabelGrid = new char[buffer_size]; |
---|
941 | |
---|
942 | memset((void*) m_LabelGrid, 0, buffer_size); |
---|
943 | |
---|
944 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
945 | list<LabelInfo*>::const_iterator label = m_Parent->GetLabels(); |
---|
946 | for ( ; label != m_Parent->GetLabelsEnd(); ++label) { |
---|
947 | if (m_Splays == SHOW_HIDE && (*label)->IsSplayEnd()) |
---|
948 | continue; |
---|
949 | |
---|
950 | if (!((m_Surface && (*label)->IsSurface()) || |
---|
951 | (m_Legs && (*label)->IsUnderground()) || |
---|
952 | (!(*label)->IsSurface() && !(*label)->IsUnderground()))) { |
---|
953 | // if this station isn't to be displayed, skip to the next |
---|
954 | // (last case is for stns with no legs attached) |
---|
955 | continue; |
---|
956 | } |
---|
957 | if (filter && !filter->CheckVisible((*label)->GetText())) |
---|
958 | continue; |
---|
959 | |
---|
960 | double x, y, z; |
---|
961 | |
---|
962 | Transform(**label, &x, &y, &z); |
---|
963 | // Check if the label is behind us (in perspective view). |
---|
964 | if (z <= 0.0 || z >= 1.0) continue; |
---|
965 | |
---|
966 | // Apply a small shift so that translating the view doesn't make which |
---|
967 | // labels are displayed change as the resulting twinkling effect is |
---|
968 | // distracting. |
---|
969 | double tx, ty, tz; |
---|
970 | Transform(Vector3(), &tx, &ty, &tz); |
---|
971 | tx -= floor(tx / quantise) * quantise; |
---|
972 | ty -= floor(ty / quantise) * quantise; |
---|
973 | |
---|
974 | tx = x - tx; |
---|
975 | if (tx < 0) continue; |
---|
976 | |
---|
977 | ty = y - ty; |
---|
978 | if (ty < 0) continue; |
---|
979 | |
---|
980 | unsigned int iy = unsigned(ty) / quantise; |
---|
981 | if (iy >= quantised_y) continue; |
---|
982 | unsigned int width = (*label)->get_width(); |
---|
983 | unsigned int ix = unsigned(tx) / quantise; |
---|
984 | if (ix + width >= quantised_x) continue; |
---|
985 | |
---|
986 | char * test = m_LabelGrid + ix + iy * quantised_x; |
---|
987 | if (memchr(test, 1, width)) continue; |
---|
988 | |
---|
989 | x += 3; |
---|
990 | y -= GetFontSize() / 2; |
---|
991 | DrawIndicatorText((int)x, (int)y, (*label)->GetText()); |
---|
992 | |
---|
993 | if (iy > QUANTISE_FACTOR) iy = QUANTISE_FACTOR; |
---|
994 | test -= quantised_x * iy; |
---|
995 | iy += 4; |
---|
996 | while (--iy && test < m_LabelGrid + buffer_size) { |
---|
997 | memset(test, 1, width); |
---|
998 | test += quantised_x; |
---|
999 | } |
---|
1000 | } |
---|
1001 | } |
---|
1002 | |
---|
1003 | void GfxCore::SimpleDrawNames() |
---|
1004 | { |
---|
1005 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
1006 | // Draw all station names, without worrying about overlaps |
---|
1007 | list<LabelInfo*>::const_iterator label = m_Parent->GetLabels(); |
---|
1008 | for ( ; label != m_Parent->GetLabelsEnd(); ++label) { |
---|
1009 | if (m_Splays == SHOW_HIDE && (*label)->IsSplayEnd()) |
---|
1010 | continue; |
---|
1011 | |
---|
1012 | if (!((m_Surface && (*label)->IsSurface()) || |
---|
1013 | (m_Legs && (*label)->IsUnderground()) || |
---|
1014 | (!(*label)->IsSurface() && !(*label)->IsUnderground()))) { |
---|
1015 | // if this station isn't to be displayed, skip to the next |
---|
1016 | // (last case is for stns with no legs attached) |
---|
1017 | continue; |
---|
1018 | } |
---|
1019 | if (filter && !filter->CheckVisible((*label)->GetText())) |
---|
1020 | continue; |
---|
1021 | |
---|
1022 | double x, y, z; |
---|
1023 | Transform(**label, &x, &y, &z); |
---|
1024 | |
---|
1025 | // Check if the label is behind us (in perspective view). |
---|
1026 | if (z <= 0) continue; |
---|
1027 | |
---|
1028 | x += 3; |
---|
1029 | y -= GetFontSize() / 2; |
---|
1030 | DrawIndicatorText((int)x, (int)y, (*label)->GetText()); |
---|
1031 | } |
---|
1032 | } |
---|
1033 | |
---|
1034 | void GfxCore::DrawColourKey(int num_bands, const wxString & other, const wxString & units) |
---|
1035 | { |
---|
1036 | int total_block_height = |
---|
1037 | KEY_BLOCK_HEIGHT * (num_bands == 1 ? num_bands : num_bands - 1); |
---|
1038 | if (!other.empty()) total_block_height += KEY_BLOCK_HEIGHT * 2; |
---|
1039 | if (!units.empty()) total_block_height += KEY_BLOCK_HEIGHT; |
---|
1040 | |
---|
1041 | const int bottom = -total_block_height; |
---|
1042 | |
---|
1043 | int size = 0; |
---|
1044 | if (!other.empty()) GetTextExtent(other, &size, NULL); |
---|
1045 | int band; |
---|
1046 | for (band = 0; band < num_bands; ++band) { |
---|
1047 | int x; |
---|
1048 | GetTextExtent(key_legends[band], &x, NULL); |
---|
1049 | if (x > size) size = x; |
---|
1050 | } |
---|
1051 | |
---|
1052 | int left = -KEY_BLOCK_WIDTH - size; |
---|
1053 | |
---|
1054 | key_lowerleft[m_ColourBy].x = left - KEY_EXTRA_LEFT_MARGIN; |
---|
1055 | key_lowerleft[m_ColourBy].y = bottom; |
---|
1056 | switch (m_ColourBy) { |
---|
1057 | case COLOUR_BY_ERROR: |
---|
1058 | case COLOUR_BY_H_ERROR: |
---|
1059 | case COLOUR_BY_V_ERROR: |
---|
1060 | key_lowerleft[COLOUR_BY_ERROR] = key_lowerleft[m_ColourBy]; |
---|
1061 | key_lowerleft[COLOUR_BY_H_ERROR] = key_lowerleft[m_ColourBy]; |
---|
1062 | key_lowerleft[COLOUR_BY_V_ERROR] = key_lowerleft[m_ColourBy]; |
---|
1063 | } |
---|
1064 | |
---|
1065 | int y = bottom; |
---|
1066 | if (!units.empty()) y += KEY_BLOCK_HEIGHT; |
---|
1067 | |
---|
1068 | if (!other.empty()) { |
---|
1069 | DrawRectangle(NODATA_COLOUR, col_BLACK, |
---|
1070 | left, y, |
---|
1071 | KEY_BLOCK_WIDTH, KEY_BLOCK_HEIGHT); |
---|
1072 | y += KEY_BLOCK_HEIGHT * 2; |
---|
1073 | } |
---|
1074 | |
---|
1075 | int start = y; |
---|
1076 | if (num_bands == 1) { |
---|
1077 | DrawShadedRectangle(GetPen(0), GetPen(0), left, y, |
---|
1078 | KEY_BLOCK_WIDTH, KEY_BLOCK_HEIGHT); |
---|
1079 | y += KEY_BLOCK_HEIGHT; |
---|
1080 | } else { |
---|
1081 | for (band = 0; band < num_bands - 1; ++band) { |
---|
1082 | DrawShadedRectangle(GetPen(band), GetPen(band + 1), left, y, |
---|
1083 | KEY_BLOCK_WIDTH, KEY_BLOCK_HEIGHT); |
---|
1084 | y += KEY_BLOCK_HEIGHT; |
---|
1085 | } |
---|
1086 | } |
---|
1087 | |
---|
1088 | SetColour(col_BLACK); |
---|
1089 | BeginPolyline(); |
---|
1090 | PlaceIndicatorVertex(left, y); |
---|
1091 | PlaceIndicatorVertex(left + KEY_BLOCK_WIDTH, y); |
---|
1092 | PlaceIndicatorVertex(left + KEY_BLOCK_WIDTH, start); |
---|
1093 | PlaceIndicatorVertex(left, start); |
---|
1094 | PlaceIndicatorVertex(left, y); |
---|
1095 | EndPolyline(); |
---|
1096 | |
---|
1097 | SetColour(TEXT_COLOUR); |
---|
1098 | |
---|
1099 | y = bottom; |
---|
1100 | if (!units.empty()) { |
---|
1101 | GetTextExtent(units, &size, NULL); |
---|
1102 | DrawIndicatorText(left + (KEY_BLOCK_WIDTH - size) / 2, y, units); |
---|
1103 | y += KEY_BLOCK_HEIGHT; |
---|
1104 | } |
---|
1105 | y -= GetFontSize() / 2; |
---|
1106 | left += KEY_BLOCK_WIDTH + 5; |
---|
1107 | |
---|
1108 | if (!other.empty()) { |
---|
1109 | y += KEY_BLOCK_HEIGHT / 2; |
---|
1110 | DrawIndicatorText(left, y, other); |
---|
1111 | y += KEY_BLOCK_HEIGHT * 2 - KEY_BLOCK_HEIGHT / 2; |
---|
1112 | } |
---|
1113 | |
---|
1114 | if (num_bands == 1) { |
---|
1115 | y += KEY_BLOCK_HEIGHT / 2; |
---|
1116 | DrawIndicatorText(left, y, key_legends[0]); |
---|
1117 | } else { |
---|
1118 | for (band = 0; band < num_bands; ++band) { |
---|
1119 | DrawIndicatorText(left, y, key_legends[band]); |
---|
1120 | y += KEY_BLOCK_HEIGHT; |
---|
1121 | } |
---|
1122 | } |
---|
1123 | } |
---|
1124 | |
---|
1125 | void GfxCore::DrawDepthKey() |
---|
1126 | { |
---|
1127 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
1128 | int num_bands = 1; |
---|
1129 | int sf = 0; |
---|
1130 | if (z_ext > 0.0) { |
---|
1131 | num_bands = GetNumColourBands(); |
---|
1132 | Double z_range = z_ext; |
---|
1133 | if (!m_Metric) z_range /= METRES_PER_FOOT; |
---|
1134 | sf = max(0, 1 - (int)floor(log10(z_range))); |
---|
1135 | } |
---|
1136 | |
---|
1137 | Double z_min = m_Parent->GetDepthMin() + m_Parent->GetOffset().GetZ(); |
---|
1138 | for (int band = 0; band < num_bands; ++band) { |
---|
1139 | Double z = z_min; |
---|
1140 | if (band) |
---|
1141 | z += z_ext * band / (num_bands - 1); |
---|
1142 | |
---|
1143 | if (!m_Metric) |
---|
1144 | z /= METRES_PER_FOOT; |
---|
1145 | |
---|
1146 | key_legends[band].Printf(wxT("%.*f"), sf, z); |
---|
1147 | } |
---|
1148 | |
---|
1149 | DrawColourKey(num_bands, wxString(), wmsg(m_Metric ? /*m*/424: /*ft*/428)); |
---|
1150 | } |
---|
1151 | |
---|
1152 | void GfxCore::DrawDateKey() |
---|
1153 | { |
---|
1154 | int num_bands; |
---|
1155 | if (!HasDateInformation()) { |
---|
1156 | num_bands = 0; |
---|
1157 | } else { |
---|
1158 | int date_ext = m_Parent->GetDateExtent(); |
---|
1159 | if (date_ext == 0) { |
---|
1160 | num_bands = 1; |
---|
1161 | } else { |
---|
1162 | num_bands = GetNumColourBands(); |
---|
1163 | } |
---|
1164 | for (int band = 0; band < num_bands; ++band) { |
---|
1165 | int y, m, d; |
---|
1166 | int days = m_Parent->GetDateMin(); |
---|
1167 | if (band) |
---|
1168 | days += date_ext * band / (num_bands - 1); |
---|
1169 | ymd_from_days_since_1900(days, &y, &m, &d); |
---|
1170 | key_legends[band].Printf(wxT("%04d-%02d-%02d"), y, m, d); |
---|
1171 | } |
---|
1172 | } |
---|
1173 | |
---|
1174 | wxString other; |
---|
1175 | if (!m_Parent->HasCompleteDateInfo()) { |
---|
1176 | /* TRANSLATORS: Used in the "colour key" for "colour by date" if there |
---|
1177 | * are surveys without date information. Try to keep this fairly short. |
---|
1178 | */ |
---|
1179 | other = wmsg(/*Undated*/221); |
---|
1180 | } |
---|
1181 | |
---|
1182 | DrawColourKey(num_bands, other, wxString()); |
---|
1183 | } |
---|
1184 | |
---|
1185 | void GfxCore::DrawErrorKey() |
---|
1186 | { |
---|
1187 | int num_bands; |
---|
1188 | if (HasErrorInformation()) { |
---|
1189 | // Use fixed colours for each error factor so it's directly visually |
---|
1190 | // comparable between surveys. |
---|
1191 | num_bands = GetNumColourBands(); |
---|
1192 | for (int band = 0; band < num_bands; ++band) { |
---|
1193 | double E = MAX_ERROR * band / (num_bands - 1); |
---|
1194 | key_legends[band].Printf(wxT("%.2f"), E); |
---|
1195 | } |
---|
1196 | } else { |
---|
1197 | num_bands = 0; |
---|
1198 | } |
---|
1199 | |
---|
1200 | // Always show the "Not in loop" legend for now (FIXME). |
---|
1201 | /* TRANSLATORS: Used in the "colour key" for "colour by error" for surveys |
---|
1202 | * which aren’t part of a loop and so have no error information. Try to keep |
---|
1203 | * this fairly short. */ |
---|
1204 | DrawColourKey(num_bands, wmsg(/*Not in loop*/290), wxString()); |
---|
1205 | } |
---|
1206 | |
---|
1207 | void GfxCore::DrawGradientKey() |
---|
1208 | { |
---|
1209 | int num_bands; |
---|
1210 | // Use fixed colours for each gradient so it's directly visually comparable |
---|
1211 | // between surveys. |
---|
1212 | num_bands = GetNumColourBands(); |
---|
1213 | wxString units = wmsg(m_Degrees ? /*°*/344 : /*ᵍ*/345); |
---|
1214 | for (int band = 0; band < num_bands; ++band) { |
---|
1215 | double gradient = double(band) / (num_bands - 1); |
---|
1216 | if (m_Degrees) { |
---|
1217 | gradient *= 90.0; |
---|
1218 | } else { |
---|
1219 | gradient *= 100.0; |
---|
1220 | } |
---|
1221 | key_legends[band].Printf(wxT("%.f%s"), gradient, units); |
---|
1222 | } |
---|
1223 | |
---|
1224 | DrawColourKey(num_bands, wxString(), wxString()); |
---|
1225 | } |
---|
1226 | |
---|
1227 | void GfxCore::DrawLengthKey() |
---|
1228 | { |
---|
1229 | int num_bands; |
---|
1230 | // Use fixed colours for each length so it's directly visually comparable |
---|
1231 | // between surveys. |
---|
1232 | num_bands = GetNumColourBands(); |
---|
1233 | for (int band = 0; band < num_bands; ++band) { |
---|
1234 | double len = pow(10, LOG_LEN_MAX * band / (num_bands - 1)); |
---|
1235 | if (!m_Metric) { |
---|
1236 | len /= METRES_PER_FOOT; |
---|
1237 | } |
---|
1238 | key_legends[band].Printf(wxT("%.1f"), len); |
---|
1239 | } |
---|
1240 | |
---|
1241 | DrawColourKey(num_bands, wxString(), wmsg(m_Metric ? /*m*/424: /*ft*/428)); |
---|
1242 | } |
---|
1243 | |
---|
1244 | void GfxCore::DrawScaleBar() |
---|
1245 | { |
---|
1246 | // Calculate how many metres of survey are currently displayed across the |
---|
1247 | // screen. |
---|
1248 | Double across_screen = SurveyUnitsAcrossViewport(); |
---|
1249 | |
---|
1250 | double f = double(GetClinoXPosition() - INDICATOR_BOX_SIZE / 2 - SCALE_BAR_OFFSET_X) / GetXSize(); |
---|
1251 | if (f > 0.75) { |
---|
1252 | f = 0.75; |
---|
1253 | } else if (f < 0.5) { |
---|
1254 | // Stop it getting squeezed to nothing. |
---|
1255 | // FIXME: In this case we should probably move the compass and clino up |
---|
1256 | // to make room rather than letting stuff overlap. |
---|
1257 | f = 0.5; |
---|
1258 | } |
---|
1259 | |
---|
1260 | // Convert to imperial measurements if required. |
---|
1261 | Double multiplier = 1.0; |
---|
1262 | if (!m_Metric) { |
---|
1263 | across_screen /= METRES_PER_FOOT; |
---|
1264 | multiplier = METRES_PER_FOOT; |
---|
1265 | if (across_screen >= 5280.0 / f) { |
---|
1266 | across_screen /= 5280.0; |
---|
1267 | multiplier *= 5280.0; |
---|
1268 | } |
---|
1269 | } |
---|
1270 | |
---|
1271 | // Calculate the length of the scale bar. |
---|
1272 | Double size_snap = pow(10.0, floor(log10(f * across_screen))); |
---|
1273 | Double t = across_screen * f / size_snap; |
---|
1274 | if (t >= 5.0) { |
---|
1275 | size_snap *= 5.0; |
---|
1276 | } else if (t >= 2.0) { |
---|
1277 | size_snap *= 2.0; |
---|
1278 | } |
---|
1279 | |
---|
1280 | if (!m_Metric) size_snap *= multiplier; |
---|
1281 | |
---|
1282 | // Actual size of the thing in pixels: |
---|
1283 | int size = int((size_snap / SurveyUnitsAcrossViewport()) * GetXSize()); |
---|
1284 | m_ScaleBarWidth = size; |
---|
1285 | |
---|
1286 | // Draw it... |
---|
1287 | const int end_y = SCALE_BAR_OFFSET_Y + SCALE_BAR_HEIGHT; |
---|
1288 | int interval = size / 10; |
---|
1289 | |
---|
1290 | gla_colour col = col_WHITE; |
---|
1291 | for (int ix = 0; ix < 10; ix++) { |
---|
1292 | int x = SCALE_BAR_OFFSET_X + int(ix * ((Double) size / 10.0)); |
---|
1293 | |
---|
1294 | DrawRectangle(col, col, x, end_y, interval + 2, SCALE_BAR_HEIGHT); |
---|
1295 | |
---|
1296 | col = (col == col_WHITE) ? col_GREY : col_WHITE; |
---|
1297 | } |
---|
1298 | |
---|
1299 | // Add labels. |
---|
1300 | wxString str; |
---|
1301 | int units; |
---|
1302 | if (m_Metric) { |
---|
1303 | Double km = size_snap * 1e-3; |
---|
1304 | if (km >= 1.0) { |
---|
1305 | size_snap = km; |
---|
1306 | /* TRANSLATORS: abbreviation for "kilometres" (unit of length), |
---|
1307 | * used e.g. "5km". |
---|
1308 | * |
---|
1309 | * If there should be a space between the number and this, include |
---|
1310 | * one in the translation. */ |
---|
1311 | units = /*km*/423; |
---|
1312 | } else if (size_snap >= 1.0) { |
---|
1313 | /* TRANSLATORS: abbreviation for "metres" (unit of length), used |
---|
1314 | * e.g. "10m". |
---|
1315 | * |
---|
1316 | * If there should be a space between the number and this, include |
---|
1317 | * one in the translation. */ |
---|
1318 | units = /*m*/424; |
---|
1319 | } else { |
---|
1320 | size_snap *= 1e2; |
---|
1321 | /* TRANSLATORS: abbreviation for "centimetres" (unit of length), |
---|
1322 | * used e.g. "50cm". |
---|
1323 | * |
---|
1324 | * If there should be a space between the number and this, include |
---|
1325 | * one in the translation. */ |
---|
1326 | units = /*cm*/425; |
---|
1327 | } |
---|
1328 | } else { |
---|
1329 | size_snap /= METRES_PER_FOOT; |
---|
1330 | Double miles = size_snap / 5280.0; |
---|
1331 | if (miles >= 1.0) { |
---|
1332 | size_snap = miles; |
---|
1333 | if (size_snap >= 2.0) { |
---|
1334 | /* TRANSLATORS: abbreviation for "miles" (unit of length, |
---|
1335 | * plural), used e.g. "2 miles". |
---|
1336 | * |
---|
1337 | * If there should be a space between the number and this, |
---|
1338 | * include one in the translation. */ |
---|
1339 | units = /* miles*/426; |
---|
1340 | } else { |
---|
1341 | /* TRANSLATORS: abbreviation for "mile" (unit of length, |
---|
1342 | * singular), used e.g. "1 mile". |
---|
1343 | * |
---|
1344 | * If there should be a space between the number and this, |
---|
1345 | * include one in the translation. */ |
---|
1346 | units = /* mile*/427; |
---|
1347 | } |
---|
1348 | } else if (size_snap >= 1.0) { |
---|
1349 | /* TRANSLATORS: abbreviation for "feet" (unit of length), used e.g. |
---|
1350 | * as "10ft". |
---|
1351 | * |
---|
1352 | * If there should be a space between the number and this, include |
---|
1353 | * one in the translation. */ |
---|
1354 | units = /*ft*/428; |
---|
1355 | } else { |
---|
1356 | size_snap *= 12.0; |
---|
1357 | /* TRANSLATORS: abbreviation for "inches" (unit of length), used |
---|
1358 | * e.g. as "6in". |
---|
1359 | * |
---|
1360 | * If there should be a space between the number and this, include |
---|
1361 | * one in the translation. */ |
---|
1362 | units = /*in*/429; |
---|
1363 | } |
---|
1364 | } |
---|
1365 | if (size_snap >= 1.0) { |
---|
1366 | str.Printf(wxT("%.f%s"), size_snap, wmsg(units).c_str()); |
---|
1367 | } else { |
---|
1368 | int sf = -(int)floor(log10(size_snap)); |
---|
1369 | str.Printf(wxT("%.*f%s"), sf, size_snap, wmsg(units).c_str()); |
---|
1370 | } |
---|
1371 | |
---|
1372 | int text_width, text_height; |
---|
1373 | GetTextExtent(str, &text_width, &text_height); |
---|
1374 | const int text_y = end_y - text_height + 1; |
---|
1375 | SetColour(TEXT_COLOUR); |
---|
1376 | DrawIndicatorText(SCALE_BAR_OFFSET_X, text_y, wxT("0")); |
---|
1377 | DrawIndicatorText(SCALE_BAR_OFFSET_X + size - text_width, text_y, str); |
---|
1378 | } |
---|
1379 | |
---|
1380 | bool GfxCore::CheckHitTestGrid(const wxPoint& point, bool centre) |
---|
1381 | { |
---|
1382 | if (Animating()) return false; |
---|
1383 | |
---|
1384 | if (point.x < 0 || point.x >= GetXSize() || |
---|
1385 | point.y < 0 || point.y >= GetYSize()) { |
---|
1386 | return false; |
---|
1387 | } |
---|
1388 | |
---|
1389 | SetDataTransform(); |
---|
1390 | |
---|
1391 | if (!m_HitTestGridValid) CreateHitTestGrid(); |
---|
1392 | |
---|
1393 | int grid_x = point.x * HITTEST_SIZE / (GetXSize() + 1); |
---|
1394 | int grid_y = point.y * HITTEST_SIZE / (GetYSize() + 1); |
---|
1395 | |
---|
1396 | LabelInfo *best = NULL; |
---|
1397 | int dist_sqrd = sqrd_measure_threshold; |
---|
1398 | int square = grid_x + grid_y * HITTEST_SIZE; |
---|
1399 | list<LabelInfo*>::iterator iter = m_PointGrid[square].begin(); |
---|
1400 | |
---|
1401 | while (iter != m_PointGrid[square].end()) { |
---|
1402 | LabelInfo *pt = *iter++; |
---|
1403 | |
---|
1404 | double cx, cy, cz; |
---|
1405 | |
---|
1406 | Transform(*pt, &cx, &cy, &cz); |
---|
1407 | |
---|
1408 | cy = GetYSize() - cy; |
---|
1409 | |
---|
1410 | int dx = point.x - int(cx); |
---|
1411 | int ds = dx * dx; |
---|
1412 | if (ds >= dist_sqrd) continue; |
---|
1413 | int dy = point.y - int(cy); |
---|
1414 | |
---|
1415 | ds += dy * dy; |
---|
1416 | if (ds >= dist_sqrd) continue; |
---|
1417 | |
---|
1418 | dist_sqrd = ds; |
---|
1419 | best = pt; |
---|
1420 | |
---|
1421 | if (ds == 0) break; |
---|
1422 | } |
---|
1423 | |
---|
1424 | if (best) { |
---|
1425 | m_Parent->ShowInfo(best, m_there); |
---|
1426 | if (centre) { |
---|
1427 | // FIXME: allow Ctrl-Click to not set there or something? |
---|
1428 | CentreOn(*best); |
---|
1429 | WarpPointer(GetXSize() / 2, GetYSize() / 2); |
---|
1430 | SetThere(best); |
---|
1431 | m_Parent->SelectTreeItem(best); |
---|
1432 | } |
---|
1433 | } else { |
---|
1434 | // Left-clicking not on a survey cancels the measuring line. |
---|
1435 | if (centre) { |
---|
1436 | ClearTreeSelection(); |
---|
1437 | } else { |
---|
1438 | m_Parent->ShowInfo(best, m_there); |
---|
1439 | double x, y, z; |
---|
1440 | ReverseTransform(point.x, GetYSize() - point.y, &x, &y, &z); |
---|
1441 | temp_here.assign(Vector3(x, y, z)); |
---|
1442 | SetHere(&temp_here); |
---|
1443 | } |
---|
1444 | } |
---|
1445 | |
---|
1446 | return best; |
---|
1447 | } |
---|
1448 | |
---|
1449 | void GfxCore::OnSize(wxSizeEvent& event) |
---|
1450 | { |
---|
1451 | // Handle a change in window size. |
---|
1452 | wxSize size = event.GetSize(); |
---|
1453 | |
---|
1454 | if (size.GetWidth() <= 0 || size.GetHeight() <= 0) { |
---|
1455 | // Before things are fully initialised, we sometimes get a bogus |
---|
1456 | // resize message... |
---|
1457 | // FIXME have changes in MainFrm cured this? It still happens with |
---|
1458 | // 1.0.32 and wxGTK 2.5.2 (load a file from the command line). |
---|
1459 | // With 1.1.6 and wxGTK 2.4.2 we only get negative sizes if MainFrm |
---|
1460 | // is resized such that the GfxCore window isn't visible. |
---|
1461 | //printf("OnSize(%d,%d)\n", size.GetWidth(), size.GetHeight()); |
---|
1462 | return; |
---|
1463 | } |
---|
1464 | |
---|
1465 | event.Skip(); |
---|
1466 | |
---|
1467 | if (m_DoneFirstShow) { |
---|
1468 | TryToFreeArrays(); |
---|
1469 | |
---|
1470 | m_HitTestGridValid = false; |
---|
1471 | |
---|
1472 | ForceRefresh(); |
---|
1473 | } |
---|
1474 | } |
---|
1475 | |
---|
1476 | void GfxCore::DefaultParameters() |
---|
1477 | { |
---|
1478 | // Set default viewing parameters. |
---|
1479 | |
---|
1480 | m_Surface = false; |
---|
1481 | if (!m_Parent->HasUndergroundLegs()) { |
---|
1482 | if (m_Parent->HasSurfaceLegs()) { |
---|
1483 | // If there are surface legs, but no underground legs, turn |
---|
1484 | // surface surveys on. |
---|
1485 | m_Surface = true; |
---|
1486 | } else { |
---|
1487 | // If there are no legs (e.g. after loading a .pos file), turn |
---|
1488 | // crosses on. |
---|
1489 | m_Crosses = true; |
---|
1490 | } |
---|
1491 | } |
---|
1492 | |
---|
1493 | m_PanAngle = 0.0; |
---|
1494 | if (m_Parent->IsExtendedElevation()) { |
---|
1495 | m_TiltAngle = 0.0; |
---|
1496 | } else { |
---|
1497 | m_TiltAngle = -90.0; |
---|
1498 | } |
---|
1499 | |
---|
1500 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
1501 | SetTranslation(Vector3()); |
---|
1502 | |
---|
1503 | m_RotationStep = 30.0; |
---|
1504 | m_Rotating = false; |
---|
1505 | m_SwitchingTo = 0; |
---|
1506 | m_Entrances = false; |
---|
1507 | m_FixedPts = false; |
---|
1508 | m_ExportedPts = false; |
---|
1509 | m_Grid = false; |
---|
1510 | m_BoundingBox = false; |
---|
1511 | m_Tubes = false; |
---|
1512 | if (GetPerspective()) TogglePerspective(); |
---|
1513 | |
---|
1514 | // Set the initial scale. |
---|
1515 | SetScale(initial_scale); |
---|
1516 | } |
---|
1517 | |
---|
1518 | void GfxCore::Defaults() |
---|
1519 | { |
---|
1520 | // Restore default scale, rotation and translation parameters. |
---|
1521 | DefaultParameters(); |
---|
1522 | |
---|
1523 | // Invalidate all the cached lists. |
---|
1524 | GLACanvas::FirstShow(); |
---|
1525 | |
---|
1526 | ForceRefresh(); |
---|
1527 | } |
---|
1528 | |
---|
1529 | void GfxCore::Animate() |
---|
1530 | { |
---|
1531 | // Don't show pointer coordinates while animating. |
---|
1532 | // FIXME : only do this when we *START* animating! Use a static copy |
---|
1533 | // of the value of "Animating()" last time we were here to track this? |
---|
1534 | // MainFrm now checks if we're trying to clear already cleared labels |
---|
1535 | // and just returns, but it might be simpler to check here! |
---|
1536 | ClearCoords(); |
---|
1537 | m_Parent->ShowInfo(); |
---|
1538 | |
---|
1539 | long t; |
---|
1540 | if (movie) { |
---|
1541 | ReadPixels(movie->GetWidth(), movie->GetHeight(), movie->GetBuffer()); |
---|
1542 | if (!movie->AddFrame()) { |
---|
1543 | wxGetApp().ReportError(wxString(movie->get_error_string(), wxConvUTF8)); |
---|
1544 | delete movie; |
---|
1545 | movie = NULL; |
---|
1546 | presentation_mode = 0; |
---|
1547 | return; |
---|
1548 | } |
---|
1549 | t = 1000 / 25; // 25 frames per second |
---|
1550 | } else { |
---|
1551 | static long t_prev = 0; |
---|
1552 | t = timer.Time(); |
---|
1553 | // Avoid redrawing twice in the same frame. |
---|
1554 | long delta_t = (t_prev == 0 ? 1000 / MAX_FRAMERATE : t - t_prev); |
---|
1555 | if (delta_t < 1000 / MAX_FRAMERATE) |
---|
1556 | return; |
---|
1557 | t_prev = t; |
---|
1558 | if (presentation_mode == PLAYING && pres_speed != 0.0) |
---|
1559 | t = delta_t; |
---|
1560 | } |
---|
1561 | |
---|
1562 | if (presentation_mode == PLAYING && pres_speed != 0.0) { |
---|
1563 | // FIXME: It would probably be better to work relative to the time we |
---|
1564 | // passed the last mark, but that's complicated by the speed |
---|
1565 | // potentially changing (or even the direction of playback reversing) |
---|
1566 | // at any point during playback. |
---|
1567 | Double tick = t * 0.001 * fabs(pres_speed); |
---|
1568 | while (tick >= next_mark_time) { |
---|
1569 | tick -= next_mark_time; |
---|
1570 | this_mark_total = 0; |
---|
1571 | PresentationMark prev_mark = next_mark; |
---|
1572 | if (prev_mark.angle < 0) prev_mark.angle += 360.0; |
---|
1573 | else if (prev_mark.angle >= 360.0) prev_mark.angle -= 360.0; |
---|
1574 | if (pres_reverse) |
---|
1575 | next_mark = m_Parent->GetPresMark(MARK_PREV); |
---|
1576 | else |
---|
1577 | next_mark = m_Parent->GetPresMark(MARK_NEXT); |
---|
1578 | if (!next_mark.is_valid()) { |
---|
1579 | SetView(prev_mark); |
---|
1580 | presentation_mode = 0; |
---|
1581 | if (movie && !movie->Close()) { |
---|
1582 | wxGetApp().ReportError(wxString(movie->get_error_string(), wxConvUTF8)); |
---|
1583 | } |
---|
1584 | delete movie; |
---|
1585 | movie = NULL; |
---|
1586 | break; |
---|
1587 | } |
---|
1588 | |
---|
1589 | double tmp = (pres_reverse ? prev_mark.time : next_mark.time); |
---|
1590 | if (tmp > 0) { |
---|
1591 | next_mark_time = tmp; |
---|
1592 | } else { |
---|
1593 | double d = (next_mark - prev_mark).magnitude(); |
---|
1594 | // FIXME: should ignore component of d which is unseen in |
---|
1595 | // non-perspective mode? |
---|
1596 | next_mark_time = sqrd(d / 30.0); |
---|
1597 | double a = next_mark.angle - prev_mark.angle; |
---|
1598 | if (a > 180.0) { |
---|
1599 | next_mark.angle -= 360.0; |
---|
1600 | a = 360.0 - a; |
---|
1601 | } else if (a < -180.0) { |
---|
1602 | next_mark.angle += 360.0; |
---|
1603 | a += 360.0; |
---|
1604 | } else { |
---|
1605 | a = fabs(a); |
---|
1606 | } |
---|
1607 | next_mark_time += sqrd(a / 60.0); |
---|
1608 | double ta = fabs(next_mark.tilt_angle - prev_mark.tilt_angle); |
---|
1609 | next_mark_time += sqrd(ta / 60.0); |
---|
1610 | double s = fabs(log(next_mark.scale) - log(prev_mark.scale)); |
---|
1611 | next_mark_time += sqrd(s / 2.0); |
---|
1612 | next_mark_time = sqrt(next_mark_time); |
---|
1613 | // was: next_mark_time = max(max(d / 30, s / 2), max(a, ta) / 60); |
---|
1614 | //printf("*** %.6f from (\nd: %.6f\ns: %.6f\na: %.6f\nt: %.6f )\n", |
---|
1615 | // next_mark_time, d/30.0, s/2.0, a/60.0, ta/60.0); |
---|
1616 | if (tmp < 0) next_mark_time /= -tmp; |
---|
1617 | } |
---|
1618 | } |
---|
1619 | |
---|
1620 | if (presentation_mode) { |
---|
1621 | // Advance position towards next_mark |
---|
1622 | double p = tick / next_mark_time; |
---|
1623 | double q = 1 - p; |
---|
1624 | PresentationMark here = GetView(); |
---|
1625 | if (next_mark.angle < 0) { |
---|
1626 | if (here.angle >= next_mark.angle + 360.0) |
---|
1627 | here.angle -= 360.0; |
---|
1628 | } else if (next_mark.angle >= 360.0) { |
---|
1629 | if (here.angle <= next_mark.angle - 360.0) |
---|
1630 | here.angle += 360.0; |
---|
1631 | } |
---|
1632 | here.assign(q * here + p * next_mark); |
---|
1633 | here.angle = q * here.angle + p * next_mark.angle; |
---|
1634 | if (here.angle < 0) here.angle += 360.0; |
---|
1635 | else if (here.angle >= 360.0) here.angle -= 360.0; |
---|
1636 | here.tilt_angle = q * here.tilt_angle + p * next_mark.tilt_angle; |
---|
1637 | here.scale = exp(q * log(here.scale) + p * log(next_mark.scale)); |
---|
1638 | SetView(here); |
---|
1639 | this_mark_total += tick; |
---|
1640 | next_mark_time -= tick; |
---|
1641 | } |
---|
1642 | |
---|
1643 | ForceRefresh(); |
---|
1644 | return; |
---|
1645 | } |
---|
1646 | |
---|
1647 | // When rotating... |
---|
1648 | if (m_Rotating) { |
---|
1649 | Double step = base_pan + (t - base_pan_time) * 1e-3 * m_RotationStep - m_PanAngle; |
---|
1650 | TurnCave(step); |
---|
1651 | } |
---|
1652 | |
---|
1653 | if (m_SwitchingTo == PLAN) { |
---|
1654 | // When switching to plan view... |
---|
1655 | Double step = base_tilt - (t - base_tilt_time) * 1e-3 * 90.0 - m_TiltAngle; |
---|
1656 | TiltCave(step); |
---|
1657 | if (m_TiltAngle == -90.0) { |
---|
1658 | m_SwitchingTo = 0; |
---|
1659 | } |
---|
1660 | } else if (m_SwitchingTo == ELEVATION) { |
---|
1661 | // When switching to elevation view... |
---|
1662 | Double step; |
---|
1663 | if (m_TiltAngle > 0.0) { |
---|
1664 | step = base_tilt - (t - base_tilt_time) * 1e-3 * 90.0 - m_TiltAngle; |
---|
1665 | } else { |
---|
1666 | step = base_tilt + (t - base_tilt_time) * 1e-3 * 90.0 - m_TiltAngle; |
---|
1667 | } |
---|
1668 | if (fabs(step) >= fabs(m_TiltAngle)) { |
---|
1669 | m_SwitchingTo = 0; |
---|
1670 | step = -m_TiltAngle; |
---|
1671 | } |
---|
1672 | TiltCave(step); |
---|
1673 | } else if (m_SwitchingTo) { |
---|
1674 | // Rotate the shortest way around to the destination angle. If we're |
---|
1675 | // 180 off, we favour turning anticlockwise, as auto-rotation does by |
---|
1676 | // default. |
---|
1677 | Double target = (m_SwitchingTo - NORTH) * 90; |
---|
1678 | Double diff = target - m_PanAngle; |
---|
1679 | diff = fmod(diff, 360); |
---|
1680 | if (diff <= -180) |
---|
1681 | diff += 360; |
---|
1682 | else if (diff > 180) |
---|
1683 | diff -= 360; |
---|
1684 | if (m_RotationStep < 0 && diff == 180.0) |
---|
1685 | diff = -180.0; |
---|
1686 | Double step = base_pan - m_PanAngle; |
---|
1687 | Double delta = (t - base_pan_time) * 1e-3 * fabs(m_RotationStep); |
---|
1688 | if (diff > 0) { |
---|
1689 | step += delta; |
---|
1690 | } else { |
---|
1691 | step -= delta; |
---|
1692 | } |
---|
1693 | step = fmod(step, 360); |
---|
1694 | if (step <= -180) |
---|
1695 | step += 360; |
---|
1696 | else if (step > 180) |
---|
1697 | step -= 360; |
---|
1698 | if (fabs(step) >= fabs(diff)) { |
---|
1699 | m_SwitchingTo = 0; |
---|
1700 | step = diff; |
---|
1701 | } |
---|
1702 | TurnCave(step); |
---|
1703 | } |
---|
1704 | |
---|
1705 | ForceRefresh(); |
---|
1706 | } |
---|
1707 | |
---|
1708 | // How much to allow around the box - this is because of the ring shape |
---|
1709 | // at one end of the line. |
---|
1710 | static const int HIGHLIGHTED_PT_SIZE = 2; // FIXME: tie in to blob and ring size |
---|
1711 | #define MARGIN (HIGHLIGHTED_PT_SIZE * 2 + 1) |
---|
1712 | void GfxCore::RefreshLine(const Point *a, const Point *b, const Point *c) |
---|
1713 | { |
---|
1714 | #ifdef __WXMSW__ |
---|
1715 | (void)a; |
---|
1716 | (void)b; |
---|
1717 | (void)c; |
---|
1718 | // FIXME: We get odd redraw artifacts if we just update the line, and |
---|
1719 | // redrawing the whole scene doesn't actually seem to be measurably |
---|
1720 | // slower. That may not be true with software rendering though... |
---|
1721 | ForceRefresh(); |
---|
1722 | #else |
---|
1723 | // Best of all might be to copy the window contents before we draw the |
---|
1724 | // line, then replace each time we redraw. |
---|
1725 | |
---|
1726 | // Calculate the minimum rectangle which includes the old and new |
---|
1727 | // measuring lines to minimise the redraw time |
---|
1728 | int l = INT_MAX, r = INT_MIN, u = INT_MIN, d = INT_MAX; |
---|
1729 | double X, Y, Z; |
---|
1730 | if (a) { |
---|
1731 | if (!Transform(*a, &X, &Y, &Z)) { |
---|
1732 | printf("oops\n"); |
---|
1733 | } else { |
---|
1734 | int x = int(X); |
---|
1735 | int y = GetYSize() - 1 - int(Y); |
---|
1736 | l = x; |
---|
1737 | r = x; |
---|
1738 | u = y; |
---|
1739 | d = y; |
---|
1740 | } |
---|
1741 | } |
---|
1742 | if (b) { |
---|
1743 | if (!Transform(*b, &X, &Y, &Z)) { |
---|
1744 | printf("oops\n"); |
---|
1745 | } else { |
---|
1746 | int x = int(X); |
---|
1747 | int y = GetYSize() - 1 - int(Y); |
---|
1748 | l = min(l, x); |
---|
1749 | r = max(r, x); |
---|
1750 | u = max(u, y); |
---|
1751 | d = min(d, y); |
---|
1752 | } |
---|
1753 | } |
---|
1754 | if (c) { |
---|
1755 | if (!Transform(*c, &X, &Y, &Z)) { |
---|
1756 | printf("oops\n"); |
---|
1757 | } else { |
---|
1758 | int x = int(X); |
---|
1759 | int y = GetYSize() - 1 - int(Y); |
---|
1760 | l = min(l, x); |
---|
1761 | r = max(r, x); |
---|
1762 | u = max(u, y); |
---|
1763 | d = min(d, y); |
---|
1764 | } |
---|
1765 | } |
---|
1766 | l -= MARGIN; |
---|
1767 | r += MARGIN; |
---|
1768 | u += MARGIN; |
---|
1769 | d -= MARGIN; |
---|
1770 | RefreshRect(wxRect(l, d, r - l, u - d), false); |
---|
1771 | #endif |
---|
1772 | } |
---|
1773 | |
---|
1774 | void GfxCore::HighlightSurvey() |
---|
1775 | { |
---|
1776 | SurveyFilter filter; |
---|
1777 | filter.add(highlighted_survey); |
---|
1778 | filter.SetSeparator(m_Parent->GetSeparator()); |
---|
1779 | |
---|
1780 | double x_min = HUGE_VAL, x_max = -HUGE_VAL; |
---|
1781 | double y_min = HUGE_VAL, y_max = -HUGE_VAL; |
---|
1782 | double xpy_min = HUGE_VAL, xpy_max = -HUGE_VAL; |
---|
1783 | double xmy_min = HUGE_VAL, xmy_max = -HUGE_VAL; |
---|
1784 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
1785 | double x_tot = 0, y_tot = 0; |
---|
1786 | size_t c = 0; |
---|
1787 | while (pos != m_Parent->GetLabelsEnd()) { |
---|
1788 | const LabelInfo* label = *pos++; |
---|
1789 | if (!filter.CheckVisible(label->GetText())) |
---|
1790 | continue; |
---|
1791 | |
---|
1792 | double x, y, z; |
---|
1793 | Transform(*label, &x, &y, &z); |
---|
1794 | if (x < x_min) x_min = x; |
---|
1795 | if (x > x_max) x_max = x; |
---|
1796 | if (y < y_min) y_min = y; |
---|
1797 | if (y > y_max) y_max = y; |
---|
1798 | double xpy = x + y; |
---|
1799 | if (xpy < xpy_min) xpy_min = xpy; |
---|
1800 | if (xpy > xpy_max) xpy_max = xpy; |
---|
1801 | double xmy = x - y; |
---|
1802 | if (xmy < xmy_min) xmy_min = xmy; |
---|
1803 | if (xmy > xmy_max) xmy_max = xmy; |
---|
1804 | x_tot += x; |
---|
1805 | y_tot += y; |
---|
1806 | ++c; |
---|
1807 | } |
---|
1808 | for (int f = 0; f != 8; ++f) { |
---|
1809 | list<traverse>::const_iterator trav = m_Parent->traverses_begin(f, &filter); |
---|
1810 | list<traverse>::const_iterator tend = m_Parent->traverses_end(f); |
---|
1811 | while (trav != tend) { |
---|
1812 | for (auto&& p : *trav) { |
---|
1813 | double x, y, z; |
---|
1814 | Transform(p, &x, &y, &z); |
---|
1815 | if (x < x_min) x_min = x; |
---|
1816 | if (x > x_max) x_max = x; |
---|
1817 | if (y < y_min) y_min = y; |
---|
1818 | if (y > y_max) y_max = y; |
---|
1819 | double xpy = x + y; |
---|
1820 | if (xpy < xpy_min) xpy_min = xpy; |
---|
1821 | if (xpy > xpy_max) xpy_max = xpy; |
---|
1822 | double xmy = x - y; |
---|
1823 | if (xmy < xmy_min) xmy_min = xmy; |
---|
1824 | if (xmy > xmy_max) xmy_max = xmy; |
---|
1825 | x_tot += x; |
---|
1826 | y_tot += y; |
---|
1827 | ++c; |
---|
1828 | } |
---|
1829 | trav = m_Parent->traverses_next(f, &filter, trav); |
---|
1830 | } |
---|
1831 | } |
---|
1832 | |
---|
1833 | if (c == 0) return; |
---|
1834 | |
---|
1835 | // Minimum margin around survey. |
---|
1836 | const double M = 4.0; |
---|
1837 | // X/Y component when M measured diagonally. |
---|
1838 | const double D = M * sqrt(2.0) / 2.0; |
---|
1839 | |
---|
1840 | SetColour(col_WHITE); |
---|
1841 | BeginPolyloop(); |
---|
1842 | PlaceIndicatorVertex(xmy_max + y_min, y_min - M); |
---|
1843 | PlaceIndicatorVertex(xmy_max + y_min + D, y_min - D); |
---|
1844 | PlaceIndicatorVertex(x_max + D, x_max - xmy_max - D); |
---|
1845 | PlaceIndicatorVertex(x_max + M, x_max - xmy_max); |
---|
1846 | PlaceIndicatorVertex(x_max + M, xpy_max - x_max); |
---|
1847 | PlaceIndicatorVertex(x_max + D, xpy_max - x_max + D); |
---|
1848 | PlaceIndicatorVertex(xpy_max - y_max + D, y_max + D); |
---|
1849 | PlaceIndicatorVertex(xpy_max - y_max, y_max + M); |
---|
1850 | PlaceIndicatorVertex(xmy_min + y_max, y_max + M); |
---|
1851 | PlaceIndicatorVertex(xmy_min + y_max - D, y_max + D); |
---|
1852 | PlaceIndicatorVertex(x_min - D, x_min - xmy_min + D); |
---|
1853 | PlaceIndicatorVertex(x_min - M, x_min - xmy_min); |
---|
1854 | PlaceIndicatorVertex(x_min - M, xpy_min - x_min); |
---|
1855 | PlaceIndicatorVertex(x_min - D, xpy_min - x_min - D); |
---|
1856 | PlaceIndicatorVertex(xpy_min - y_min - D, y_min - D); |
---|
1857 | PlaceIndicatorVertex(xpy_min - y_min, y_min - M); |
---|
1858 | EndPolyloop(); |
---|
1859 | } |
---|
1860 | |
---|
1861 | void GfxCore::ZoomToSurvey(const wxString& survey) { |
---|
1862 | SurveyFilter filter; |
---|
1863 | filter.add(survey); |
---|
1864 | filter.SetSeparator(m_Parent->GetSeparator()); |
---|
1865 | |
---|
1866 | Double xmin = DBL_MAX; |
---|
1867 | Double xmax = -DBL_MAX; |
---|
1868 | Double ymin = DBL_MAX; |
---|
1869 | Double ymax = -DBL_MAX; |
---|
1870 | Double zmin = DBL_MAX; |
---|
1871 | Double zmax = -DBL_MAX; |
---|
1872 | |
---|
1873 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
1874 | while (pos != m_Parent->GetLabelsEnd()) { |
---|
1875 | LabelInfo* label = *pos++; |
---|
1876 | |
---|
1877 | if (!filter.CheckVisible(label->GetText())) |
---|
1878 | continue; |
---|
1879 | |
---|
1880 | if (label->GetX() < xmin) xmin = label->GetX(); |
---|
1881 | if (label->GetX() > xmax) xmax = label->GetX(); |
---|
1882 | if (label->GetY() < ymin) ymin = label->GetY(); |
---|
1883 | if (label->GetY() > ymax) ymax = label->GetY(); |
---|
1884 | if (label->GetZ() < zmin) zmin = label->GetZ(); |
---|
1885 | if (label->GetZ() > zmax) zmax = label->GetZ(); |
---|
1886 | } |
---|
1887 | |
---|
1888 | SetViewTo(xmin, xmax, ymin, ymax, zmin, zmax); |
---|
1889 | } |
---|
1890 | |
---|
1891 | void GfxCore::SetHereFromTree(const LabelInfo * p) |
---|
1892 | { |
---|
1893 | SetHere(p); |
---|
1894 | m_Parent->ShowInfo(m_here, m_there); |
---|
1895 | SetHereSurvey(wxString()); |
---|
1896 | } |
---|
1897 | |
---|
1898 | void GfxCore::SetHere(const LabelInfo *p) |
---|
1899 | { |
---|
1900 | if (p == m_here) return; |
---|
1901 | bool line_active = MeasuringLineActive(); |
---|
1902 | const LabelInfo * old = m_here; |
---|
1903 | m_here = p; |
---|
1904 | if (line_active || MeasuringLineActive()) |
---|
1905 | RefreshLine(old, m_there, m_here); |
---|
1906 | } |
---|
1907 | |
---|
1908 | void GfxCore::SetThere(const LabelInfo * p) |
---|
1909 | { |
---|
1910 | if (p == m_there) return; |
---|
1911 | const LabelInfo * old = m_there; |
---|
1912 | m_there = p; |
---|
1913 | RefreshLine(m_here, old, m_there); |
---|
1914 | } |
---|
1915 | |
---|
1916 | void GfxCore::CreateHitTestGrid() |
---|
1917 | { |
---|
1918 | if (!m_PointGrid) { |
---|
1919 | // Initialise hit-test grid. |
---|
1920 | m_PointGrid = new list<LabelInfo*>[HITTEST_SIZE * HITTEST_SIZE]; |
---|
1921 | } else { |
---|
1922 | // Clear hit-test grid. |
---|
1923 | for (int i = 0; i < HITTEST_SIZE * HITTEST_SIZE; i++) { |
---|
1924 | m_PointGrid[i].clear(); |
---|
1925 | } |
---|
1926 | } |
---|
1927 | |
---|
1928 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
1929 | // Fill the grid. |
---|
1930 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
1931 | list<LabelInfo*>::const_iterator end = m_Parent->GetLabelsEnd(); |
---|
1932 | while (pos != end) { |
---|
1933 | LabelInfo* label = *pos++; |
---|
1934 | |
---|
1935 | if (m_Splays == SHOW_HIDE && label->IsSplayEnd()) |
---|
1936 | continue; |
---|
1937 | |
---|
1938 | if (!((m_Surface && label->IsSurface()) || |
---|
1939 | (m_Legs && label->IsUnderground()) || |
---|
1940 | (!label->IsSurface() && !label->IsUnderground()))) { |
---|
1941 | // if this station isn't to be displayed, skip to the next |
---|
1942 | // (last case is for stns with no legs attached) |
---|
1943 | continue; |
---|
1944 | } |
---|
1945 | |
---|
1946 | if (filter && !filter->CheckVisible(label->GetText())) |
---|
1947 | continue; |
---|
1948 | |
---|
1949 | // Calculate screen coordinates. |
---|
1950 | double cx, cy, cz; |
---|
1951 | Transform(*label, &cx, &cy, &cz); |
---|
1952 | if (cx < 0 || cx >= GetXSize()) continue; |
---|
1953 | if (cy < 0 || cy >= GetYSize()) continue; |
---|
1954 | |
---|
1955 | cy = GetYSize() - cy; |
---|
1956 | |
---|
1957 | // On-screen, so add to hit-test grid... |
---|
1958 | int grid_x = int(cx * HITTEST_SIZE / (GetXSize() + 1)); |
---|
1959 | int grid_y = int(cy * HITTEST_SIZE / (GetYSize() + 1)); |
---|
1960 | |
---|
1961 | m_PointGrid[grid_x + grid_y * HITTEST_SIZE].push_back(label); |
---|
1962 | } |
---|
1963 | |
---|
1964 | m_HitTestGridValid = true; |
---|
1965 | } |
---|
1966 | |
---|
1967 | // |
---|
1968 | // Methods for controlling the orientation of the survey |
---|
1969 | // |
---|
1970 | |
---|
1971 | void GfxCore::TurnCave(Double angle) |
---|
1972 | { |
---|
1973 | // Turn the cave around its z-axis by a given angle. |
---|
1974 | |
---|
1975 | m_PanAngle += angle; |
---|
1976 | // Wrap to range [0, 360): |
---|
1977 | m_PanAngle = fmod(m_PanAngle, 360.0); |
---|
1978 | if (m_PanAngle < 0.0) { |
---|
1979 | m_PanAngle += 360.0; |
---|
1980 | } |
---|
1981 | |
---|
1982 | m_HitTestGridValid = false; |
---|
1983 | if (m_here && m_here == &temp_here) SetHere(); |
---|
1984 | |
---|
1985 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
1986 | } |
---|
1987 | |
---|
1988 | void GfxCore::TurnCaveTo(Double angle) |
---|
1989 | { |
---|
1990 | if (m_Rotating) { |
---|
1991 | // If we're rotating, jump to the specified angle. |
---|
1992 | TurnCave(angle - m_PanAngle); |
---|
1993 | SetPanBase(); |
---|
1994 | return; |
---|
1995 | } |
---|
1996 | |
---|
1997 | int new_switching_to = ((int)angle) / 90 + NORTH; |
---|
1998 | if (new_switching_to == m_SwitchingTo) { |
---|
1999 | // A second order to switch takes us there right away |
---|
2000 | TurnCave(angle - m_PanAngle); |
---|
2001 | m_SwitchingTo = 0; |
---|
2002 | ForceRefresh(); |
---|
2003 | } else { |
---|
2004 | SetPanBase(); |
---|
2005 | m_SwitchingTo = new_switching_to; |
---|
2006 | } |
---|
2007 | } |
---|
2008 | |
---|
2009 | void GfxCore::TiltCave(Double tilt_angle) |
---|
2010 | { |
---|
2011 | // Tilt the cave by a given angle. |
---|
2012 | if (m_TiltAngle + tilt_angle > 90.0) { |
---|
2013 | m_TiltAngle = 90.0; |
---|
2014 | } else if (m_TiltAngle + tilt_angle < -90.0) { |
---|
2015 | m_TiltAngle = -90.0; |
---|
2016 | } else { |
---|
2017 | m_TiltAngle += tilt_angle; |
---|
2018 | } |
---|
2019 | |
---|
2020 | m_HitTestGridValid = false; |
---|
2021 | if (m_here && m_here == &temp_here) SetHere(); |
---|
2022 | |
---|
2023 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
2024 | } |
---|
2025 | |
---|
2026 | void GfxCore::TranslateCave(int dx, int dy) |
---|
2027 | { |
---|
2028 | AddTranslationScreenCoordinates(dx, dy); |
---|
2029 | m_HitTestGridValid = false; |
---|
2030 | |
---|
2031 | if (m_here && m_here == &temp_here) SetHere(); |
---|
2032 | |
---|
2033 | ForceRefresh(); |
---|
2034 | } |
---|
2035 | |
---|
2036 | void GfxCore::DragFinished() |
---|
2037 | { |
---|
2038 | m_MouseOutsideCompass = m_MouseOutsideElev = false; |
---|
2039 | ForceRefresh(); |
---|
2040 | } |
---|
2041 | |
---|
2042 | void GfxCore::ClearCoords() |
---|
2043 | { |
---|
2044 | m_Parent->ClearCoords(); |
---|
2045 | } |
---|
2046 | |
---|
2047 | void GfxCore::SetCoords(wxPoint point) |
---|
2048 | { |
---|
2049 | // We can't work out 2D coordinates from a perspective view, and it |
---|
2050 | // doesn't really make sense to show coordinates while we're animating. |
---|
2051 | if (GetPerspective() || Animating()) return; |
---|
2052 | |
---|
2053 | // Update the coordinate or altitude display, given the (x, y) position in |
---|
2054 | // window coordinates. The relevant display is updated depending on |
---|
2055 | // whether we're in plan or elevation view. |
---|
2056 | |
---|
2057 | double cx, cy, cz; |
---|
2058 | |
---|
2059 | SetDataTransform(); |
---|
2060 | ReverseTransform(point.x, GetYSize() - 1 - point.y, &cx, &cy, &cz); |
---|
2061 | |
---|
2062 | if (ShowingPlan()) { |
---|
2063 | m_Parent->SetCoords(cx + m_Parent->GetOffset().GetX(), |
---|
2064 | cy + m_Parent->GetOffset().GetY(), |
---|
2065 | m_there); |
---|
2066 | } else if (ShowingElevation()) { |
---|
2067 | m_Parent->SetAltitude(cz + m_Parent->GetOffset().GetZ(), |
---|
2068 | m_there); |
---|
2069 | } else { |
---|
2070 | m_Parent->ClearCoords(); |
---|
2071 | } |
---|
2072 | } |
---|
2073 | |
---|
2074 | int GfxCore::GetCompassWidth() const |
---|
2075 | { |
---|
2076 | static int result = 0; |
---|
2077 | if (result == 0) { |
---|
2078 | result = INDICATOR_BOX_SIZE; |
---|
2079 | int width; |
---|
2080 | const wxString & msg = wmsg(/*Facing*/203); |
---|
2081 | GetTextExtent(msg, &width, NULL); |
---|
2082 | if (width > result) result = width; |
---|
2083 | } |
---|
2084 | return result; |
---|
2085 | } |
---|
2086 | |
---|
2087 | int GfxCore::GetClinoWidth() const |
---|
2088 | { |
---|
2089 | static int result = 0; |
---|
2090 | if (result == 0) { |
---|
2091 | result = INDICATOR_BOX_SIZE; |
---|
2092 | int width; |
---|
2093 | const wxString & msg1 = wmsg(/*Plan*/432); |
---|
2094 | GetTextExtent(msg1, &width, NULL); |
---|
2095 | if (width > result) result = width; |
---|
2096 | const wxString & msg2 = wmsg(/*Kiwi Plan*/433); |
---|
2097 | GetTextExtent(msg2, &width, NULL); |
---|
2098 | if (width > result) result = width; |
---|
2099 | const wxString & msg3 = wmsg(/*Elevation*/118); |
---|
2100 | GetTextExtent(msg3, &width, NULL); |
---|
2101 | if (width > result) result = width; |
---|
2102 | } |
---|
2103 | return result; |
---|
2104 | } |
---|
2105 | |
---|
2106 | int GfxCore::GetCompassXPosition() const |
---|
2107 | { |
---|
2108 | // Return the x-coordinate of the centre of the compass in window |
---|
2109 | // coordinates. |
---|
2110 | return GetXSize() - INDICATOR_OFFSET_X - GetCompassWidth() / 2; |
---|
2111 | } |
---|
2112 | |
---|
2113 | int GfxCore::GetClinoXPosition() const |
---|
2114 | { |
---|
2115 | // Return the x-coordinate of the centre of the compass in window |
---|
2116 | // coordinates. |
---|
2117 | return GetXSize() - GetClinoOffset() - GetClinoWidth() / 2; |
---|
2118 | } |
---|
2119 | |
---|
2120 | int GfxCore::GetIndicatorYPosition() const |
---|
2121 | { |
---|
2122 | // Return the y-coordinate of the centre of the indicators in window |
---|
2123 | // coordinates. |
---|
2124 | return GetYSize() - INDICATOR_OFFSET_Y - INDICATOR_BOX_SIZE / 2; |
---|
2125 | } |
---|
2126 | |
---|
2127 | int GfxCore::GetIndicatorRadius() const |
---|
2128 | { |
---|
2129 | // Return the radius of each indicator. |
---|
2130 | return (INDICATOR_BOX_SIZE - INDICATOR_MARGIN * 2) / 2; |
---|
2131 | } |
---|
2132 | |
---|
2133 | bool GfxCore::PointWithinCompass(wxPoint point) const |
---|
2134 | { |
---|
2135 | // Determine whether a point (in window coordinates) lies within the |
---|
2136 | // compass. |
---|
2137 | if (!ShowingCompass()) return false; |
---|
2138 | |
---|
2139 | glaCoord dx = point.x - GetCompassXPosition(); |
---|
2140 | glaCoord dy = point.y - GetIndicatorYPosition(); |
---|
2141 | glaCoord radius = GetIndicatorRadius(); |
---|
2142 | |
---|
2143 | return (dx * dx + dy * dy <= radius * radius); |
---|
2144 | } |
---|
2145 | |
---|
2146 | bool GfxCore::PointWithinClino(wxPoint point) const |
---|
2147 | { |
---|
2148 | // Determine whether a point (in window coordinates) lies within the clino. |
---|
2149 | if (!ShowingClino()) return false; |
---|
2150 | |
---|
2151 | glaCoord dx = point.x - GetClinoXPosition(); |
---|
2152 | glaCoord dy = point.y - GetIndicatorYPosition(); |
---|
2153 | glaCoord radius = GetIndicatorRadius(); |
---|
2154 | |
---|
2155 | return (dx * dx + dy * dy <= radius * radius); |
---|
2156 | } |
---|
2157 | |
---|
2158 | bool GfxCore::PointWithinScaleBar(wxPoint point) const |
---|
2159 | { |
---|
2160 | // Determine whether a point (in window coordinates) lies within the scale |
---|
2161 | // bar. |
---|
2162 | if (!ShowingScaleBar()) return false; |
---|
2163 | |
---|
2164 | return (point.x >= SCALE_BAR_OFFSET_X && |
---|
2165 | point.x <= SCALE_BAR_OFFSET_X + m_ScaleBarWidth && |
---|
2166 | point.y <= GetYSize() - SCALE_BAR_OFFSET_Y - SCALE_BAR_HEIGHT && |
---|
2167 | point.y >= GetYSize() - SCALE_BAR_OFFSET_Y - SCALE_BAR_HEIGHT*2); |
---|
2168 | } |
---|
2169 | |
---|
2170 | bool GfxCore::PointWithinColourKey(wxPoint point) const |
---|
2171 | { |
---|
2172 | // Determine whether a point (in window coordinates) lies within the key. |
---|
2173 | point.x -= GetXSize() - KEY_OFFSET_X; |
---|
2174 | point.y = KEY_OFFSET_Y - point.y; |
---|
2175 | return (point.x >= key_lowerleft[m_ColourBy].x && point.x <= 0 && |
---|
2176 | point.y >= key_lowerleft[m_ColourBy].y && point.y <= 0); |
---|
2177 | } |
---|
2178 | |
---|
2179 | void GfxCore::SetCompassFromPoint(wxPoint point) |
---|
2180 | { |
---|
2181 | // Given a point in window coordinates, set the heading of the survey. If |
---|
2182 | // the point is outside the compass, it snaps to 45 degree intervals; |
---|
2183 | // otherwise it operates as normal. |
---|
2184 | |
---|
2185 | wxCoord dx = point.x - GetCompassXPosition(); |
---|
2186 | wxCoord dy = point.y - GetIndicatorYPosition(); |
---|
2187 | wxCoord radius = GetIndicatorRadius(); |
---|
2188 | |
---|
2189 | double angle = deg(atan2(double(dx), double(dy))) - 180.0; |
---|
2190 | if (dx * dx + dy * dy <= radius * radius) { |
---|
2191 | TurnCave(angle - m_PanAngle); |
---|
2192 | m_MouseOutsideCompass = false; |
---|
2193 | } else { |
---|
2194 | TurnCave(int(angle / 45.0) * 45.0 - m_PanAngle); |
---|
2195 | m_MouseOutsideCompass = true; |
---|
2196 | } |
---|
2197 | |
---|
2198 | ForceRefresh(); |
---|
2199 | } |
---|
2200 | |
---|
2201 | void GfxCore::SetClinoFromPoint(wxPoint point) |
---|
2202 | { |
---|
2203 | // Given a point in window coordinates, set the elevation of the survey. |
---|
2204 | // If the point is outside the clino, it snaps to 90 degree intervals; |
---|
2205 | // otherwise it operates as normal. |
---|
2206 | |
---|
2207 | glaCoord dx = point.x - GetClinoXPosition(); |
---|
2208 | glaCoord dy = point.y - GetIndicatorYPosition(); |
---|
2209 | glaCoord radius = GetIndicatorRadius(); |
---|
2210 | |
---|
2211 | if (dx >= 0 && dx * dx + dy * dy <= radius * radius) { |
---|
2212 | TiltCave(-deg(atan2(double(dy), double(dx))) - m_TiltAngle); |
---|
2213 | m_MouseOutsideElev = false; |
---|
2214 | } else if (dy >= INDICATOR_MARGIN) { |
---|
2215 | TiltCave(-90.0 - m_TiltAngle); |
---|
2216 | m_MouseOutsideElev = true; |
---|
2217 | } else if (dy <= -INDICATOR_MARGIN) { |
---|
2218 | TiltCave(90.0 - m_TiltAngle); |
---|
2219 | m_MouseOutsideElev = true; |
---|
2220 | } else { |
---|
2221 | TiltCave(-m_TiltAngle); |
---|
2222 | m_MouseOutsideElev = true; |
---|
2223 | } |
---|
2224 | |
---|
2225 | ForceRefresh(); |
---|
2226 | } |
---|
2227 | |
---|
2228 | void GfxCore::SetScaleBarFromOffset(wxCoord dx) |
---|
2229 | { |
---|
2230 | // Set the scale of the survey, given an offset as to how much the mouse has |
---|
2231 | // been dragged over the scalebar since the last scale change. |
---|
2232 | |
---|
2233 | SetScale((m_ScaleBarWidth + dx) * m_Scale / m_ScaleBarWidth); |
---|
2234 | ForceRefresh(); |
---|
2235 | } |
---|
2236 | |
---|
2237 | void GfxCore::RedrawIndicators() |
---|
2238 | { |
---|
2239 | // Redraw the compass and clino indicators. |
---|
2240 | |
---|
2241 | int total_width = GetCompassWidth() + INDICATOR_GAP + GetClinoWidth(); |
---|
2242 | RefreshRect(wxRect(GetXSize() - INDICATOR_OFFSET_X - total_width, |
---|
2243 | GetYSize() - INDICATOR_OFFSET_Y - INDICATOR_BOX_SIZE, |
---|
2244 | total_width, |
---|
2245 | INDICATOR_BOX_SIZE), false); |
---|
2246 | } |
---|
2247 | |
---|
2248 | void GfxCore::StartRotation() |
---|
2249 | { |
---|
2250 | // Start the survey rotating. |
---|
2251 | |
---|
2252 | if (m_SwitchingTo >= NORTH) |
---|
2253 | m_SwitchingTo = 0; |
---|
2254 | m_Rotating = true; |
---|
2255 | SetPanBase(); |
---|
2256 | } |
---|
2257 | |
---|
2258 | void GfxCore::ToggleRotation() |
---|
2259 | { |
---|
2260 | // Toggle the survey rotation on/off. |
---|
2261 | |
---|
2262 | if (m_Rotating) { |
---|
2263 | StopRotation(); |
---|
2264 | } else { |
---|
2265 | StartRotation(); |
---|
2266 | } |
---|
2267 | } |
---|
2268 | |
---|
2269 | void GfxCore::StopRotation() |
---|
2270 | { |
---|
2271 | // Stop the survey rotating. |
---|
2272 | |
---|
2273 | m_Rotating = false; |
---|
2274 | ForceRefresh(); |
---|
2275 | } |
---|
2276 | |
---|
2277 | bool GfxCore::IsExtendedElevation() const |
---|
2278 | { |
---|
2279 | return m_Parent->IsExtendedElevation(); |
---|
2280 | } |
---|
2281 | |
---|
2282 | void GfxCore::ReverseRotation() |
---|
2283 | { |
---|
2284 | // Reverse the direction of rotation. |
---|
2285 | |
---|
2286 | m_RotationStep = -m_RotationStep; |
---|
2287 | if (m_Rotating) |
---|
2288 | SetPanBase(); |
---|
2289 | } |
---|
2290 | |
---|
2291 | void GfxCore::RotateSlower(bool accel) |
---|
2292 | { |
---|
2293 | // Decrease the speed of rotation, optionally by an increased amount. |
---|
2294 | if (fabs(m_RotationStep) == 1.0) |
---|
2295 | return; |
---|
2296 | |
---|
2297 | m_RotationStep *= accel ? (1 / 1.44) : (1 / 1.2); |
---|
2298 | |
---|
2299 | if (fabs(m_RotationStep) < 1.0) { |
---|
2300 | m_RotationStep = (m_RotationStep > 0 ? 1.0 : -1.0); |
---|
2301 | } |
---|
2302 | if (m_Rotating) |
---|
2303 | SetPanBase(); |
---|
2304 | } |
---|
2305 | |
---|
2306 | void GfxCore::RotateFaster(bool accel) |
---|
2307 | { |
---|
2308 | // Increase the speed of rotation, optionally by an increased amount. |
---|
2309 | if (fabs(m_RotationStep) == 180.0) |
---|
2310 | return; |
---|
2311 | |
---|
2312 | m_RotationStep *= accel ? 1.44 : 1.2; |
---|
2313 | if (fabs(m_RotationStep) > 180.0) { |
---|
2314 | m_RotationStep = (m_RotationStep > 0 ? 180.0 : -180.0); |
---|
2315 | } |
---|
2316 | if (m_Rotating) |
---|
2317 | SetPanBase(); |
---|
2318 | } |
---|
2319 | |
---|
2320 | void GfxCore::SwitchToElevation() |
---|
2321 | { |
---|
2322 | // Perform an animated switch to elevation view. |
---|
2323 | |
---|
2324 | if (m_SwitchingTo != ELEVATION) { |
---|
2325 | SetTiltBase(); |
---|
2326 | m_SwitchingTo = ELEVATION; |
---|
2327 | } else { |
---|
2328 | // A second order to switch takes us there right away |
---|
2329 | TiltCave(-m_TiltAngle); |
---|
2330 | m_SwitchingTo = 0; |
---|
2331 | ForceRefresh(); |
---|
2332 | } |
---|
2333 | } |
---|
2334 | |
---|
2335 | void GfxCore::SwitchToPlan() |
---|
2336 | { |
---|
2337 | // Perform an animated switch to plan view. |
---|
2338 | |
---|
2339 | if (m_SwitchingTo != PLAN) { |
---|
2340 | SetTiltBase(); |
---|
2341 | m_SwitchingTo = PLAN; |
---|
2342 | } else { |
---|
2343 | // A second order to switch takes us there right away |
---|
2344 | TiltCave(-90.0 - m_TiltAngle); |
---|
2345 | m_SwitchingTo = 0; |
---|
2346 | ForceRefresh(); |
---|
2347 | } |
---|
2348 | } |
---|
2349 | |
---|
2350 | void GfxCore::SetViewTo(Double xmin, Double xmax, Double ymin, Double ymax, Double zmin, Double zmax) |
---|
2351 | { |
---|
2352 | |
---|
2353 | SetTranslation(-Vector3((xmin + xmax) / 2, (ymin + ymax) / 2, (zmin + zmax) / 2)); |
---|
2354 | Double scale = HUGE_VAL; |
---|
2355 | const Vector3 ext = m_Parent->GetExtent(); |
---|
2356 | if (xmax > xmin) { |
---|
2357 | Double s = ext.GetX() / (xmax - xmin); |
---|
2358 | if (s < scale) scale = s; |
---|
2359 | } |
---|
2360 | if (ymax > ymin) { |
---|
2361 | Double s = ext.GetY() / (ymax - ymin); |
---|
2362 | if (s < scale) scale = s; |
---|
2363 | } |
---|
2364 | if (!ShowingPlan() && zmax > zmin) { |
---|
2365 | Double s = ext.GetZ() / (zmax - zmin); |
---|
2366 | if (s < scale) scale = s; |
---|
2367 | } |
---|
2368 | if (scale != HUGE_VAL) SetScale(scale); |
---|
2369 | ForceRefresh(); |
---|
2370 | } |
---|
2371 | |
---|
2372 | bool GfxCore::CanRaiseViewpoint() const |
---|
2373 | { |
---|
2374 | // Determine if the survey can be viewed from a higher angle of elevation. |
---|
2375 | |
---|
2376 | return GetPerspective() ? (m_TiltAngle < 90.0) : (m_TiltAngle > -90.0); |
---|
2377 | } |
---|
2378 | |
---|
2379 | bool GfxCore::CanLowerViewpoint() const |
---|
2380 | { |
---|
2381 | // Determine if the survey can be viewed from a lower angle of elevation. |
---|
2382 | |
---|
2383 | return GetPerspective() ? (m_TiltAngle > -90.0) : (m_TiltAngle < 90.0); |
---|
2384 | } |
---|
2385 | |
---|
2386 | bool GfxCore::HasDepth() const |
---|
2387 | { |
---|
2388 | return m_Parent->GetDepthExtent() == 0.0; |
---|
2389 | } |
---|
2390 | |
---|
2391 | bool GfxCore::HasErrorInformation() const |
---|
2392 | { |
---|
2393 | return m_Parent->HasErrorInformation(); |
---|
2394 | } |
---|
2395 | |
---|
2396 | bool GfxCore::HasDateInformation() const |
---|
2397 | { |
---|
2398 | return m_Parent->GetDateMin() >= 0; |
---|
2399 | } |
---|
2400 | |
---|
2401 | bool GfxCore::ShowingPlan() const |
---|
2402 | { |
---|
2403 | // Determine if the survey is in plan view. |
---|
2404 | |
---|
2405 | return (m_TiltAngle == -90.0); |
---|
2406 | } |
---|
2407 | |
---|
2408 | bool GfxCore::ShowingElevation() const |
---|
2409 | { |
---|
2410 | // Determine if the survey is in elevation view. |
---|
2411 | |
---|
2412 | return (m_TiltAngle == 0.0); |
---|
2413 | } |
---|
2414 | |
---|
2415 | bool GfxCore::ShowingMeasuringLine() const |
---|
2416 | { |
---|
2417 | // Determine if the measuring line is being shown. Only check if "there" |
---|
2418 | // is valid, since that means the measuring line anchor is out. |
---|
2419 | |
---|
2420 | return m_there; |
---|
2421 | } |
---|
2422 | |
---|
2423 | void GfxCore::ToggleFlag(bool* flag, int update) |
---|
2424 | { |
---|
2425 | *flag = !*flag; |
---|
2426 | if (update == UPDATE_BLOBS) { |
---|
2427 | UpdateBlobs(); |
---|
2428 | } else if (update == UPDATE_BLOBS_AND_CROSSES) { |
---|
2429 | UpdateBlobs(); |
---|
2430 | InvalidateList(LIST_CROSSES); |
---|
2431 | m_HitTestGridValid = false; |
---|
2432 | } |
---|
2433 | ForceRefresh(); |
---|
2434 | } |
---|
2435 | |
---|
2436 | int GfxCore::GetNumEntrances() const |
---|
2437 | { |
---|
2438 | return m_Parent->GetNumEntrances(); |
---|
2439 | } |
---|
2440 | |
---|
2441 | int GfxCore::GetNumFixedPts() const |
---|
2442 | { |
---|
2443 | return m_Parent->GetNumFixedPts(); |
---|
2444 | } |
---|
2445 | |
---|
2446 | int GfxCore::GetNumExportedPts() const |
---|
2447 | { |
---|
2448 | return m_Parent->GetNumExportedPts(); |
---|
2449 | } |
---|
2450 | |
---|
2451 | void GfxCore::ToggleTerrain() |
---|
2452 | { |
---|
2453 | if (!m_Terrain && !dem) { |
---|
2454 | // OnOpenTerrain() calls us if a file is selected. |
---|
2455 | wxCommandEvent dummy; |
---|
2456 | m_Parent->OnOpenTerrain(dummy); |
---|
2457 | return; |
---|
2458 | } |
---|
2459 | ToggleFlag(&m_Terrain); |
---|
2460 | } |
---|
2461 | |
---|
2462 | void GfxCore::ToggleFatFinger() |
---|
2463 | { |
---|
2464 | if (sqrd_measure_threshold == sqrd(MEASURE_THRESHOLD)) { |
---|
2465 | sqrd_measure_threshold = sqrd(5 * MEASURE_THRESHOLD); |
---|
2466 | wxMessageBox(wxT("Fat finger enabled"), wxT("Aven Debug"), wxOK | wxICON_INFORMATION); |
---|
2467 | } else { |
---|
2468 | sqrd_measure_threshold = sqrd(MEASURE_THRESHOLD); |
---|
2469 | wxMessageBox(wxT("Fat finger disabled"), wxT("Aven Debug"), wxOK | wxICON_INFORMATION); |
---|
2470 | } |
---|
2471 | } |
---|
2472 | |
---|
2473 | void GfxCore::ClearTreeSelection() |
---|
2474 | { |
---|
2475 | m_Parent->ClearTreeSelection(); |
---|
2476 | } |
---|
2477 | |
---|
2478 | void GfxCore::CentreOn(const Point &p) |
---|
2479 | { |
---|
2480 | SetTranslation(-p); |
---|
2481 | m_HitTestGridValid = false; |
---|
2482 | |
---|
2483 | ForceRefresh(); |
---|
2484 | } |
---|
2485 | |
---|
2486 | void GfxCore::ForceRefresh() |
---|
2487 | { |
---|
2488 | Refresh(false); |
---|
2489 | } |
---|
2490 | |
---|
2491 | void GfxCore::GenerateList(unsigned int l) |
---|
2492 | { |
---|
2493 | assert(m_HaveData); |
---|
2494 | |
---|
2495 | switch (l) { |
---|
2496 | case LIST_COMPASS: |
---|
2497 | DrawCompass(); |
---|
2498 | break; |
---|
2499 | case LIST_CLINO: |
---|
2500 | DrawClino(); |
---|
2501 | break; |
---|
2502 | case LIST_CLINO_BACK: |
---|
2503 | DrawClinoBack(); |
---|
2504 | break; |
---|
2505 | case LIST_SCALE_BAR: |
---|
2506 | DrawScaleBar(); |
---|
2507 | break; |
---|
2508 | case LIST_DEPTH_KEY: |
---|
2509 | DrawDepthKey(); |
---|
2510 | break; |
---|
2511 | case LIST_DATE_KEY: |
---|
2512 | DrawDateKey(); |
---|
2513 | break; |
---|
2514 | case LIST_ERROR_KEY: |
---|
2515 | DrawErrorKey(); |
---|
2516 | break; |
---|
2517 | case LIST_GRADIENT_KEY: |
---|
2518 | DrawGradientKey(); |
---|
2519 | break; |
---|
2520 | case LIST_LENGTH_KEY: |
---|
2521 | DrawLengthKey(); |
---|
2522 | break; |
---|
2523 | case LIST_UNDERGROUND_LEGS: |
---|
2524 | GenerateDisplayList(false); |
---|
2525 | break; |
---|
2526 | case LIST_TUBES: |
---|
2527 | GenerateDisplayListTubes(); |
---|
2528 | break; |
---|
2529 | case LIST_SURFACE_LEGS: |
---|
2530 | GenerateDisplayList(true); |
---|
2531 | break; |
---|
2532 | case LIST_BLOBS: |
---|
2533 | GenerateBlobsDisplayList(); |
---|
2534 | break; |
---|
2535 | case LIST_CROSSES: { |
---|
2536 | BeginCrosses(); |
---|
2537 | SetColour(col_LIGHT_GREY); |
---|
2538 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
2539 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
2540 | while (pos != m_Parent->GetLabelsEnd()) { |
---|
2541 | const LabelInfo* label = *pos++; |
---|
2542 | |
---|
2543 | if (m_Splays == SHOW_HIDE && label->IsSplayEnd()) |
---|
2544 | continue; |
---|
2545 | |
---|
2546 | if ((m_Surface && label->IsSurface()) || |
---|
2547 | (m_Legs && label->IsUnderground()) || |
---|
2548 | (!label->IsSurface() && !label->IsUnderground())) { |
---|
2549 | // Check if this station should be displayed |
---|
2550 | // (last case above is for stns with no legs attached) |
---|
2551 | if (filter && !filter->CheckVisible(label->GetText())) |
---|
2552 | continue; |
---|
2553 | DrawCross(label->GetX(), label->GetY(), label->GetZ()); |
---|
2554 | } |
---|
2555 | } |
---|
2556 | EndCrosses(); |
---|
2557 | break; |
---|
2558 | } |
---|
2559 | case LIST_GRID: |
---|
2560 | DrawGrid(); |
---|
2561 | break; |
---|
2562 | case LIST_SHADOW: |
---|
2563 | GenerateDisplayListShadow(); |
---|
2564 | break; |
---|
2565 | case LIST_TERRAIN: |
---|
2566 | DrawTerrain(); |
---|
2567 | break; |
---|
2568 | default: |
---|
2569 | assert(false); |
---|
2570 | break; |
---|
2571 | } |
---|
2572 | } |
---|
2573 | |
---|
2574 | void GfxCore::ToggleSmoothShading() |
---|
2575 | { |
---|
2576 | GLACanvas::ToggleSmoothShading(); |
---|
2577 | InvalidateList(LIST_TUBES); |
---|
2578 | ForceRefresh(); |
---|
2579 | } |
---|
2580 | |
---|
2581 | void GfxCore::GenerateDisplayList(bool surface) |
---|
2582 | { |
---|
2583 | unsigned surf_or_not = surface ? img_FLAG_SURFACE : 0; |
---|
2584 | // Generate the display list for the surface or underground legs. |
---|
2585 | for (int f = 0; f != 8; ++f) { |
---|
2586 | if ((f & img_FLAG_SURFACE) != surf_or_not) continue; |
---|
2587 | const unsigned SHOW_DASHED_AND_FADED = unsigned(-1); |
---|
2588 | unsigned style = SHOW_NORMAL; |
---|
2589 | if ((f & img_FLAG_SPLAY) && m_Splays != SHOW_NORMAL) { |
---|
2590 | style = m_Splays; |
---|
2591 | } else if (f & img_FLAG_DUPLICATE) { |
---|
2592 | style = m_Dupes; |
---|
2593 | } |
---|
2594 | if (f & img_FLAG_SURFACE) { |
---|
2595 | if (style == SHOW_FADED) { |
---|
2596 | style = SHOW_DASHED_AND_FADED; |
---|
2597 | } else { |
---|
2598 | style = SHOW_DASHED; |
---|
2599 | } |
---|
2600 | } |
---|
2601 | |
---|
2602 | switch (style) { |
---|
2603 | case SHOW_HIDE: |
---|
2604 | continue; |
---|
2605 | case SHOW_FADED: |
---|
2606 | SetAlpha(0.4); |
---|
2607 | break; |
---|
2608 | case SHOW_DASHED: |
---|
2609 | EnableDashedLines(); |
---|
2610 | break; |
---|
2611 | case SHOW_DASHED_AND_FADED: |
---|
2612 | SetAlpha(0.4); |
---|
2613 | EnableDashedLines(); |
---|
2614 | break; |
---|
2615 | } |
---|
2616 | |
---|
2617 | void (GfxCore::* add_poly)(const traverse&); |
---|
2618 | if (surface) { |
---|
2619 | switch (m_ColourBy) { |
---|
2620 | case COLOUR_BY_ERROR: |
---|
2621 | case COLOUR_BY_H_ERROR: |
---|
2622 | case COLOUR_BY_V_ERROR: |
---|
2623 | add_poly = &GfxCore::AddPolylineError; |
---|
2624 | break; |
---|
2625 | default: |
---|
2626 | add_poly = &GfxCore::AddPolyline; |
---|
2627 | } |
---|
2628 | } else { |
---|
2629 | add_poly = AddPoly; |
---|
2630 | } |
---|
2631 | |
---|
2632 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
2633 | list<traverse>::const_iterator trav = m_Parent->traverses_begin(f, filter); |
---|
2634 | list<traverse>::const_iterator tend = m_Parent->traverses_end(f); |
---|
2635 | while (trav != tend) { |
---|
2636 | (this->*add_poly)(*trav); |
---|
2637 | trav = m_Parent->traverses_next(f, filter, trav); |
---|
2638 | } |
---|
2639 | |
---|
2640 | switch (style) { |
---|
2641 | case SHOW_FADED: |
---|
2642 | SetAlpha(1.0); |
---|
2643 | break; |
---|
2644 | case SHOW_DASHED: |
---|
2645 | DisableDashedLines(); |
---|
2646 | break; |
---|
2647 | case SHOW_DASHED_AND_FADED: |
---|
2648 | DisableDashedLines(); |
---|
2649 | SetAlpha(1.0); |
---|
2650 | break; |
---|
2651 | } |
---|
2652 | } |
---|
2653 | } |
---|
2654 | |
---|
2655 | void GfxCore::GenerateDisplayListTubes() |
---|
2656 | { |
---|
2657 | // Generate the display list for the tubes. |
---|
2658 | list<vector<XSect>>::iterator trav = m_Parent->tubes_begin(); |
---|
2659 | list<vector<XSect>>::iterator tend = m_Parent->tubes_end(); |
---|
2660 | while (trav != tend) { |
---|
2661 | SkinPassage(*trav); |
---|
2662 | ++trav; |
---|
2663 | } |
---|
2664 | } |
---|
2665 | |
---|
2666 | void GfxCore::GenerateDisplayListShadow() |
---|
2667 | { |
---|
2668 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
2669 | SetColour(col_BLACK); |
---|
2670 | for (int f = 0; f != 8; ++f) { |
---|
2671 | // Only include underground legs in the shadow. |
---|
2672 | if ((f & img_FLAG_SURFACE) != 0) continue; |
---|
2673 | list<traverse>::const_iterator trav = m_Parent->traverses_begin(f, filter); |
---|
2674 | list<traverse>::const_iterator tend = m_Parent->traverses_end(f); |
---|
2675 | while (trav != tend) { |
---|
2676 | AddPolylineShadow(*trav); |
---|
2677 | trav = m_Parent->traverses_next(f, filter, trav); |
---|
2678 | } |
---|
2679 | } |
---|
2680 | } |
---|
2681 | |
---|
2682 | void |
---|
2683 | GfxCore::parse_hgt_filename(const wxString & lc_name) |
---|
2684 | { |
---|
2685 | char * leaf = leaf_from_fnm(lc_name.utf8_str()); |
---|
2686 | const char * p = leaf; |
---|
2687 | char * q; |
---|
2688 | char dirn = *p++; |
---|
2689 | o_y = strtoul(p, &q, 10); |
---|
2690 | p = q; |
---|
2691 | if (dirn == 's') |
---|
2692 | o_y = -o_y; |
---|
2693 | ++o_y; |
---|
2694 | dirn = *p++; |
---|
2695 | o_x = strtoul(p, &q, 10); |
---|
2696 | if (dirn == 'w') |
---|
2697 | o_x = -o_x; |
---|
2698 | bigendian = true; |
---|
2699 | nodata_value = -32768; |
---|
2700 | osfree(leaf); |
---|
2701 | } |
---|
2702 | |
---|
2703 | size_t |
---|
2704 | GfxCore::parse_hdr(wxInputStream & is, unsigned long & skipbytes) |
---|
2705 | { |
---|
2706 | // ESRI docs say NBITS defaults to 8. |
---|
2707 | unsigned long nbits = 8; |
---|
2708 | // ESRI docs say NBANDS defaults to 1. |
---|
2709 | unsigned long nbands = 1; |
---|
2710 | unsigned long bandrowbytes = 0; |
---|
2711 | unsigned long totalrowbytes = 0; |
---|
2712 | // ESRI docs say ULXMAP defaults to 0. |
---|
2713 | o_x = 0.0; |
---|
2714 | // ESRI docs say ULYMAP defaults to NROWS - 1. |
---|
2715 | o_y = HUGE_VAL; |
---|
2716 | // ESRI docs say XDIM and YDIM default to 1. |
---|
2717 | step_x = step_y = 1.0; |
---|
2718 | while (!is.Eof()) { |
---|
2719 | wxString line; |
---|
2720 | int ch; |
---|
2721 | while ((ch = is.GetC()) != wxEOF) { |
---|
2722 | if (ch == '\n' || ch == '\r') break; |
---|
2723 | line += wxChar(ch); |
---|
2724 | } |
---|
2725 | #define CHECK(X, COND) \ |
---|
2726 | } else if (line.StartsWith(wxT(X " "))) { \ |
---|
2727 | size_t v = line.find_first_not_of(wxT(' '), sizeof(X)); \ |
---|
2728 | if (v == line.npos || !(COND)) { \ |
---|
2729 | err += wxT("Unexpected value for " X); \ |
---|
2730 | } |
---|
2731 | wxString err; |
---|
2732 | if (false) { |
---|
2733 | // I = little-endian; M = big-endian |
---|
2734 | CHECK("BYTEORDER", (bigendian = (line[v] == 'M')) || line[v] == 'I') |
---|
2735 | // ESRI docs say LAYOUT defaults to BIL if not specified. |
---|
2736 | CHECK("LAYOUT", line.substr(v) == wxT("BIL")) |
---|
2737 | CHECK("NROWS", line.substr(v).ToCULong(&dem_height)) |
---|
2738 | CHECK("NCOLS", line.substr(v).ToCULong(&dem_width)) |
---|
2739 | // ESRI docs say NBANDS defaults to 1 if not specified. |
---|
2740 | CHECK("NBANDS", line.substr(v).ToCULong(&nbands) && nbands == 1) |
---|
2741 | CHECK("NBITS", line.substr(v).ToCULong(&nbits) && nbits == 16) |
---|
2742 | CHECK("BANDROWBYTES", line.substr(v).ToCULong(&bandrowbytes)) |
---|
2743 | CHECK("TOTALROWBYTES", line.substr(v).ToCULong(&totalrowbytes)) |
---|
2744 | // PIXELTYPE is a GDAL extension, so may not be present. |
---|
2745 | CHECK("PIXELTYPE", line.substr(v) == wxT("SIGNEDINT")) |
---|
2746 | CHECK("ULXMAP", line.substr(v).ToCDouble(&o_x)) |
---|
2747 | CHECK("ULYMAP", line.substr(v).ToCDouble(&o_y)) |
---|
2748 | CHECK("XDIM", line.substr(v).ToCDouble(&step_x)) |
---|
2749 | CHECK("YDIM", line.substr(v).ToCDouble(&step_y)) |
---|
2750 | CHECK("NODATA", line.substr(v).ToCLong(&nodata_value)) |
---|
2751 | CHECK("SKIPBYTES", line.substr(v).ToCULong(&skipbytes)) |
---|
2752 | } |
---|
2753 | if (!err.empty()) { |
---|
2754 | wxMessageBox(err); |
---|
2755 | } |
---|
2756 | } |
---|
2757 | if (o_y == HUGE_VAL) { |
---|
2758 | o_y = dem_height - 1; |
---|
2759 | } |
---|
2760 | if (bandrowbytes != 0) { |
---|
2761 | if (nbits * dem_width != bandrowbytes * 8) { |
---|
2762 | wxMessageBox("BANDROWBYTES setting indicates unused bits after each band - not currently supported"); |
---|
2763 | } |
---|
2764 | } |
---|
2765 | if (totalrowbytes != 0) { |
---|
2766 | // This is the ESRI default for BIL, for BIP it would be |
---|
2767 | // nbands * bandrowbytes. |
---|
2768 | if (nbands * nbits * dem_width != totalrowbytes * 8) { |
---|
2769 | wxMessageBox("TOTALROWBYTES setting indicates unused bits after " |
---|
2770 | "each row - not currently supported"); |
---|
2771 | } |
---|
2772 | } |
---|
2773 | return ((nbits * dem_width + 7) / 8) * dem_height; |
---|
2774 | } |
---|
2775 | |
---|
2776 | bool |
---|
2777 | GfxCore::read_bil(wxInputStream & is, size_t size, unsigned long skipbytes) |
---|
2778 | { |
---|
2779 | bool know_size = true; |
---|
2780 | if (!size) { |
---|
2781 | // If the stream doesn't know its size, GetSize() returns 0. |
---|
2782 | size = is.GetSize(); |
---|
2783 | if (!size) { |
---|
2784 | size = DEFAULT_HGT_SIZE; |
---|
2785 | know_size = false; |
---|
2786 | } |
---|
2787 | } |
---|
2788 | dem = new unsigned short[size / 2]; |
---|
2789 | if (skipbytes) { |
---|
2790 | if (is.SeekI(skipbytes, wxFromStart) == ::wxInvalidOffset) { |
---|
2791 | while (skipbytes) { |
---|
2792 | unsigned long to_read = skipbytes; |
---|
2793 | if (size < to_read) to_read = size; |
---|
2794 | is.Read(reinterpret_cast<char *>(dem), to_read); |
---|
2795 | size_t c = is.LastRead(); |
---|
2796 | if (c == 0) { |
---|
2797 | wxMessageBox(wxT("Failed to skip terrain data header")); |
---|
2798 | break; |
---|
2799 | } |
---|
2800 | skipbytes -= c; |
---|
2801 | } |
---|
2802 | } |
---|
2803 | } |
---|
2804 | |
---|
2805 | if (!is.ReadAll(dem, size)) { |
---|
2806 | if (know_size) { |
---|
2807 | // FIXME: On __WXMSW__ currently we fail to |
---|
2808 | // read any data from files in zips. |
---|
2809 | delete [] dem; |
---|
2810 | dem = NULL; |
---|
2811 | wxMessageBox(wxT("Failed to read terrain data")); |
---|
2812 | return false; |
---|
2813 | } |
---|
2814 | size = is.LastRead(); |
---|
2815 | } |
---|
2816 | |
---|
2817 | if (dem_width == 0 && dem_height == 0) { |
---|
2818 | dem_width = dem_height = sqrt(size / 2); |
---|
2819 | if (dem_width * dem_height * 2 != size) { |
---|
2820 | delete [] dem; |
---|
2821 | dem = NULL; |
---|
2822 | wxMessageBox(wxT("HGT format data doesn't form a square")); |
---|
2823 | return false; |
---|
2824 | } |
---|
2825 | step_x = step_y = 1.0 / dem_width; |
---|
2826 | } |
---|
2827 | |
---|
2828 | return true; |
---|
2829 | } |
---|
2830 | |
---|
2831 | bool GfxCore::LoadDEM(const wxString & file) |
---|
2832 | { |
---|
2833 | if (m_Parent->GetCSProj().empty()) { |
---|
2834 | wxMessageBox(wxT("No coordinate system specified in survey data")); |
---|
2835 | return false; |
---|
2836 | } |
---|
2837 | |
---|
2838 | delete [] dem; |
---|
2839 | dem = NULL; |
---|
2840 | |
---|
2841 | size_t size = 0; |
---|
2842 | // Default is to not skip any bytes. |
---|
2843 | unsigned long skipbytes = 0; |
---|
2844 | // For .hgt files, default to using filesize to determine. |
---|
2845 | dem_width = dem_height = 0; |
---|
2846 | // ESRI say "The default byte order is the same as that of the host machine |
---|
2847 | // executing the software", but that's stupid so we default to |
---|
2848 | // little-endian. |
---|
2849 | bigendian = false; |
---|
2850 | |
---|
2851 | wxFileInputStream fs(file); |
---|
2852 | if (!fs.IsOk()) { |
---|
2853 | wxMessageBox(wxT("Failed to open DEM file")); |
---|
2854 | return false; |
---|
2855 | } |
---|
2856 | |
---|
2857 | const wxString & lc_file = file.Lower(); |
---|
2858 | if (lc_file.EndsWith(wxT(".hgt"))) { |
---|
2859 | parse_hgt_filename(lc_file); |
---|
2860 | read_bil(fs, size, skipbytes); |
---|
2861 | } else if (lc_file.EndsWith(wxT(".bil"))) { |
---|
2862 | wxString hdr_file = file; |
---|
2863 | hdr_file.replace(file.size() - 4, 4, wxT(".hdr")); |
---|
2864 | wxFileInputStream hdr_is(hdr_file); |
---|
2865 | if (!hdr_is.IsOk()) { |
---|
2866 | wxMessageBox(wxT("Failed to open HDR file '") + hdr_file + wxT("'")); |
---|
2867 | return false; |
---|
2868 | } |
---|
2869 | size = parse_hdr(hdr_is, skipbytes); |
---|
2870 | read_bil(fs, size, skipbytes); |
---|
2871 | } else if (lc_file.EndsWith(wxT(".zip"))) { |
---|
2872 | wxZipEntry * ze_data = NULL; |
---|
2873 | wxZipInputStream zs(fs); |
---|
2874 | wxZipEntry * ze; |
---|
2875 | while ((ze = zs.GetNextEntry()) != NULL) { |
---|
2876 | if (!ze->IsDir()) { |
---|
2877 | const wxString & lc_name = ze->GetName().Lower(); |
---|
2878 | if (!ze_data && lc_name.EndsWith(wxT(".hgt"))) { |
---|
2879 | // SRTM .hgt files are raw binary data, with the filename |
---|
2880 | // encoding the coordinates. |
---|
2881 | parse_hgt_filename(lc_name); |
---|
2882 | read_bil(zs, size, skipbytes); |
---|
2883 | delete ze; |
---|
2884 | break; |
---|
2885 | } |
---|
2886 | |
---|
2887 | if (!ze_data && lc_name.EndsWith(wxT(".bil"))) { |
---|
2888 | if (size) { |
---|
2889 | read_bil(zs, size, skipbytes); |
---|
2890 | break; |
---|
2891 | } |
---|
2892 | ze_data = ze; |
---|
2893 | continue; |
---|
2894 | } |
---|
2895 | |
---|
2896 | if (lc_name.EndsWith(wxT(".hdr"))) { |
---|
2897 | size = parse_hdr(zs, skipbytes); |
---|
2898 | if (ze_data) { |
---|
2899 | if (!zs.OpenEntry(*ze_data)) { |
---|
2900 | wxMessageBox(wxT("Couldn't read DEM data from .zip file")); |
---|
2901 | break; |
---|
2902 | } |
---|
2903 | read_bil(zs, size, skipbytes); |
---|
2904 | } |
---|
2905 | } else if (lc_name.EndsWith(wxT(".prj"))) { |
---|
2906 | //FIXME: check this matches the datum string we use |
---|
2907 | //Projection GEOGRAPHIC |
---|
2908 | //Datum WGS84 |
---|
2909 | //Zunits METERS |
---|
2910 | //Units DD |
---|
2911 | //Spheroid WGS84 |
---|
2912 | //Xshift 0.0000000000 |
---|
2913 | //Yshift 0.0000000000 |
---|
2914 | //Parameters |
---|
2915 | } |
---|
2916 | } |
---|
2917 | delete ze; |
---|
2918 | } |
---|
2919 | delete ze_data; |
---|
2920 | } |
---|
2921 | |
---|
2922 | if (!dem) { |
---|
2923 | return false; |
---|
2924 | } |
---|
2925 | |
---|
2926 | InvalidateList(LIST_TERRAIN); |
---|
2927 | ForceRefresh(); |
---|
2928 | return true; |
---|
2929 | } |
---|
2930 | |
---|
2931 | void GfxCore::DrawTerrainTriangle(const Vector3 & a, const Vector3 & b, const Vector3 & c) |
---|
2932 | { |
---|
2933 | Vector3 n = (b - a) * (c - a); |
---|
2934 | n.normalise(); |
---|
2935 | Double factor = dot(n, light) * .95 + .05; |
---|
2936 | SetColour(col_WHITE, factor); |
---|
2937 | PlaceVertex(a); |
---|
2938 | PlaceVertex(b); |
---|
2939 | PlaceVertex(c); |
---|
2940 | ++n_tris; |
---|
2941 | } |
---|
2942 | |
---|
2943 | // Like wxBusyCursor, but you can cancel it early. |
---|
2944 | class AvenBusyCursor { |
---|
2945 | bool active; |
---|
2946 | |
---|
2947 | public: |
---|
2948 | AvenBusyCursor() : active(true) { |
---|
2949 | wxBeginBusyCursor(); |
---|
2950 | } |
---|
2951 | |
---|
2952 | void stop() { |
---|
2953 | if (active) { |
---|
2954 | active = false; |
---|
2955 | wxEndBusyCursor(); |
---|
2956 | } |
---|
2957 | } |
---|
2958 | |
---|
2959 | ~AvenBusyCursor() { |
---|
2960 | stop(); |
---|
2961 | } |
---|
2962 | }; |
---|
2963 | |
---|
2964 | void GfxCore::DrawTerrain() |
---|
2965 | { |
---|
2966 | if (!dem) return; |
---|
2967 | |
---|
2968 | AvenBusyCursor hourglass; |
---|
2969 | |
---|
2970 | // Draw terrain to twice the extent, or at least 1km. |
---|
2971 | double r_sqrd = sqrd(max(m_Parent->GetExtent().magnitude(), 1000.0)); |
---|
2972 | #define WGS84_DATUM_STRING "+proj=longlat +ellps=WGS84 +datum=WGS84" |
---|
2973 | static projPJ pj_in = pj_init_plus(WGS84_DATUM_STRING); |
---|
2974 | if (!pj_in) { |
---|
2975 | ToggleTerrain(); |
---|
2976 | delete [] dem; |
---|
2977 | dem = NULL; |
---|
2978 | hourglass.stop(); |
---|
2979 | error(/*Failed to initialise input coordinate system “%s”*/287, WGS84_DATUM_STRING); |
---|
2980 | return; |
---|
2981 | } |
---|
2982 | static projPJ pj_out = pj_init_plus(m_Parent->GetCSProj().c_str()); |
---|
2983 | if (!pj_out) { |
---|
2984 | ToggleTerrain(); |
---|
2985 | delete [] dem; |
---|
2986 | dem = NULL; |
---|
2987 | hourglass.stop(); |
---|
2988 | error(/*Failed to initialise output coordinate system “%s”*/288, (const char *)m_Parent->GetCSProj().c_str()); |
---|
2989 | return; |
---|
2990 | } |
---|
2991 | n_tris = 0; |
---|
2992 | SetAlpha(0.3); |
---|
2993 | BeginTriangles(); |
---|
2994 | const Vector3 & off = m_Parent->GetOffset(); |
---|
2995 | vector<Vector3> prevcol(dem_height + 1); |
---|
2996 | for (size_t x = 0; x < dem_width; ++x) { |
---|
2997 | double X_ = (o_x + x * step_x) * DEG_TO_RAD; |
---|
2998 | Vector3 prev; |
---|
2999 | for (size_t y = 0; y < dem_height; ++y) { |
---|
3000 | unsigned short elev = dem[x + y * dem_width]; |
---|
3001 | #ifdef WORDS_BIGENDIAN |
---|
3002 | const bool MACHINE_BIGENDIAN = true; |
---|
3003 | #else |
---|
3004 | const bool MACHINE_BIGENDIAN = false; |
---|
3005 | #endif |
---|
3006 | if (bigendian != MACHINE_BIGENDIAN) { |
---|
3007 | #if defined __GNUC__ && (__GNUC__ * 100 + __GNUC_MINOR__ >= 408) |
---|
3008 | elev = __builtin_bswap16(elev); |
---|
3009 | #else |
---|
3010 | elev = (elev >> 8) | (elev << 8); |
---|
3011 | #endif |
---|
3012 | } |
---|
3013 | double Z = (short)elev; |
---|
3014 | Vector3 pt; |
---|
3015 | if (Z == nodata_value) { |
---|
3016 | pt = Vector3(DBL_MAX, DBL_MAX, DBL_MAX); |
---|
3017 | } else { |
---|
3018 | double X = X_; |
---|
3019 | double Y = (o_y - y * step_y) * DEG_TO_RAD; |
---|
3020 | pj_transform(pj_in, pj_out, 1, 1, &X, &Y, &Z); |
---|
3021 | pt = Vector3(X, Y, Z) - off; |
---|
3022 | double dist_2 = sqrd(pt.GetX()) + sqrd(pt.GetY()); |
---|
3023 | if (dist_2 > r_sqrd) { |
---|
3024 | pt = Vector3(DBL_MAX, DBL_MAX, DBL_MAX); |
---|
3025 | } |
---|
3026 | } |
---|
3027 | if (x > 0 && y > 0) { |
---|
3028 | const Vector3 & a = prevcol[y - 1]; |
---|
3029 | const Vector3 & b = prevcol[y]; |
---|
3030 | // If all points are valid, split the quadrilateral into |
---|
3031 | // triangles along the shorter 3D diagonal, which typically |
---|
3032 | // looks better: |
---|
3033 | // |
---|
3034 | // -----> |
---|
3035 | // prev---a x prev---a |
---|
3036 | // | |P /| |\ S| |
---|
3037 | // y | | / | or | \ | |
---|
3038 | // V | / | | \ | |
---|
3039 | // |/ Q| |R \| |
---|
3040 | // b----pt b----pt |
---|
3041 | // |
---|
3042 | // FORWARD BACKWARD |
---|
3043 | enum { NONE = 0, P = 1, Q = 2, R = 4, S = 8, ALL = P|Q|R|S }; |
---|
3044 | int valid = |
---|
3045 | ((prev.GetZ() != DBL_MAX)) | |
---|
3046 | ((a.GetZ() != DBL_MAX) << 1) | |
---|
3047 | ((b.GetZ() != DBL_MAX) << 2) | |
---|
3048 | ((pt.GetZ() != DBL_MAX) << 3); |
---|
3049 | static const int tris_map[16] = { |
---|
3050 | NONE, // nothing valid |
---|
3051 | NONE, // prev |
---|
3052 | NONE, // a |
---|
3053 | NONE, // a, prev |
---|
3054 | NONE, // b |
---|
3055 | NONE, // b, prev |
---|
3056 | NONE, // b, a |
---|
3057 | P, // b, a, prev |
---|
3058 | NONE, // pt |
---|
3059 | NONE, // pt, prev |
---|
3060 | NONE, // pt, a |
---|
3061 | S, // pt, a, prev |
---|
3062 | NONE, // pt, b |
---|
3063 | R, // pt, b, prev |
---|
3064 | Q, // pt, b, a |
---|
3065 | ALL, // pt, b, a, prev |
---|
3066 | }; |
---|
3067 | int tris = tris_map[valid]; |
---|
3068 | if (tris == ALL) { |
---|
3069 | // All points valid. |
---|
3070 | if ((a - b).magnitude() < (prev - pt).magnitude()) { |
---|
3071 | tris = P | Q; |
---|
3072 | } else { |
---|
3073 | tris = R | S; |
---|
3074 | } |
---|
3075 | } |
---|
3076 | if (tris & P) |
---|
3077 | DrawTerrainTriangle(a, prev, b); |
---|
3078 | if (tris & Q) |
---|
3079 | DrawTerrainTriangle(a, b, pt); |
---|
3080 | if (tris & R) |
---|
3081 | DrawTerrainTriangle(pt, prev, b); |
---|
3082 | if (tris & S) |
---|
3083 | DrawTerrainTriangle(a, prev, pt); |
---|
3084 | } |
---|
3085 | prev = prevcol[y]; |
---|
3086 | prevcol[y].assign(pt); |
---|
3087 | } |
---|
3088 | } |
---|
3089 | EndTriangles(); |
---|
3090 | SetAlpha(1.0); |
---|
3091 | if (n_tris == 0) { |
---|
3092 | ToggleTerrain(); |
---|
3093 | delete [] dem; |
---|
3094 | dem = NULL; |
---|
3095 | hourglass.stop(); |
---|
3096 | /* TRANSLATORS: Aven shows a circle of terrain covering the area |
---|
3097 | * of the survey plus a bit, but the terrain data file didn't |
---|
3098 | * contain any data inside that circle. |
---|
3099 | */ |
---|
3100 | error(/*No terrain data near area of survey*/161); |
---|
3101 | } |
---|
3102 | } |
---|
3103 | |
---|
3104 | // Plot blobs. |
---|
3105 | void GfxCore::GenerateBlobsDisplayList() |
---|
3106 | { |
---|
3107 | if (!(m_Entrances || m_FixedPts || m_ExportedPts || |
---|
3108 | m_Parent->GetNumHighlightedPts())) |
---|
3109 | return; |
---|
3110 | |
---|
3111 | // Plot blobs. |
---|
3112 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
3113 | gla_colour prev_col = col_BLACK; // not a colour used for blobs |
---|
3114 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
3115 | BeginBlobs(); |
---|
3116 | while (pos != m_Parent->GetLabelsEnd()) { |
---|
3117 | const LabelInfo* label = *pos++; |
---|
3118 | |
---|
3119 | // When more than one flag is set on a point: |
---|
3120 | // search results take priority over entrance highlighting |
---|
3121 | // which takes priority over fixed point |
---|
3122 | // highlighting, which in turn takes priority over exported |
---|
3123 | // point highlighting. |
---|
3124 | |
---|
3125 | if (m_Splays == SHOW_HIDE && label->IsSplayEnd()) |
---|
3126 | continue; |
---|
3127 | |
---|
3128 | if (!((m_Surface && label->IsSurface()) || |
---|
3129 | (m_Legs && label->IsUnderground()) || |
---|
3130 | (!label->IsSurface() && !label->IsUnderground()))) { |
---|
3131 | // if this station isn't to be displayed, skip to the next |
---|
3132 | // (last case is for stns with no legs attached) |
---|
3133 | continue; |
---|
3134 | } |
---|
3135 | if (filter && !filter->CheckVisible(label->GetText())) |
---|
3136 | continue; |
---|
3137 | |
---|
3138 | gla_colour col; |
---|
3139 | |
---|
3140 | if (label->IsHighLighted()) { |
---|
3141 | col = col_YELLOW; |
---|
3142 | } else if (m_Entrances && label->IsEntrance()) { |
---|
3143 | col = col_GREEN; |
---|
3144 | } else if (m_FixedPts && label->IsFixedPt()) { |
---|
3145 | col = col_RED; |
---|
3146 | } else if (m_ExportedPts && label->IsExportedPt()) { |
---|
3147 | col = col_TURQUOISE; |
---|
3148 | } else { |
---|
3149 | continue; |
---|
3150 | } |
---|
3151 | |
---|
3152 | // Stations are sorted by blob type, so colour changes are infrequent. |
---|
3153 | if (col != prev_col) { |
---|
3154 | SetColour(col); |
---|
3155 | prev_col = col; |
---|
3156 | } |
---|
3157 | DrawBlob(label->GetX(), label->GetY(), label->GetZ()); |
---|
3158 | } |
---|
3159 | EndBlobs(); |
---|
3160 | } |
---|
3161 | |
---|
3162 | void GfxCore::DrawIndicators() |
---|
3163 | { |
---|
3164 | // Draw colour key. |
---|
3165 | if (m_ColourKey) { |
---|
3166 | drawing_list key_list = LIST_LIMIT_; |
---|
3167 | switch (m_ColourBy) { |
---|
3168 | case COLOUR_BY_DEPTH: |
---|
3169 | key_list = LIST_DEPTH_KEY; break; |
---|
3170 | case COLOUR_BY_DATE: |
---|
3171 | key_list = LIST_DATE_KEY; break; |
---|
3172 | case COLOUR_BY_ERROR: |
---|
3173 | case COLOUR_BY_H_ERROR: |
---|
3174 | case COLOUR_BY_V_ERROR: |
---|
3175 | key_list = LIST_ERROR_KEY; break; |
---|
3176 | case COLOUR_BY_GRADIENT: |
---|
3177 | key_list = LIST_GRADIENT_KEY; break; |
---|
3178 | case COLOUR_BY_LENGTH: |
---|
3179 | key_list = LIST_LENGTH_KEY; break; |
---|
3180 | #if 0 // FIXME Key for survey colours? |
---|
3181 | case COLOUR_BY_SURVEY: |
---|
3182 | key_list = LIST_SURVEY_KEY; break; |
---|
3183 | #endif |
---|
3184 | } |
---|
3185 | if (key_list != LIST_LIMIT_) { |
---|
3186 | DrawList2D(key_list, GetXSize() - KEY_OFFSET_X, |
---|
3187 | GetYSize() - KEY_OFFSET_Y, 0); |
---|
3188 | } |
---|
3189 | } |
---|
3190 | |
---|
3191 | // Draw compass or elevation/heading indicators. |
---|
3192 | if (m_Compass || m_Clino) { |
---|
3193 | if (!m_Parent->IsExtendedElevation()) Draw2dIndicators(); |
---|
3194 | } |
---|
3195 | |
---|
3196 | // Draw scalebar. |
---|
3197 | if (m_Scalebar && !GetPerspective()) { |
---|
3198 | DrawList2D(LIST_SCALE_BAR, 0, 0, 0); |
---|
3199 | } |
---|
3200 | } |
---|
3201 | |
---|
3202 | void GfxCore::PlaceVertexWithColour(const Vector3 & v, |
---|
3203 | glaTexCoord tex_x, glaTexCoord tex_y, |
---|
3204 | Double factor) |
---|
3205 | { |
---|
3206 | SetColour(col_WHITE, factor); |
---|
3207 | PlaceVertex(v, tex_x, tex_y); |
---|
3208 | } |
---|
3209 | |
---|
3210 | void GfxCore::SetDepthColour(Double z, Double factor) { |
---|
3211 | // Set the drawing colour based on the altitude. |
---|
3212 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
3213 | |
---|
3214 | z -= m_Parent->GetDepthMin(); |
---|
3215 | // points arising from tubes may be slightly outside the limits... |
---|
3216 | if (z < 0) z = 0; |
---|
3217 | if (z > z_ext) z = z_ext; |
---|
3218 | |
---|
3219 | if (z == 0) { |
---|
3220 | SetColour(GetPen(0), factor); |
---|
3221 | return; |
---|
3222 | } |
---|
3223 | |
---|
3224 | assert(z_ext > 0.0); |
---|
3225 | Double how_far = z / z_ext; |
---|
3226 | assert(how_far >= 0.0); |
---|
3227 | assert(how_far <= 1.0); |
---|
3228 | |
---|
3229 | int band = int(floor(how_far * (GetNumColourBands() - 1))); |
---|
3230 | GLAPen pen1 = GetPen(band); |
---|
3231 | if (band < GetNumColourBands() - 1) { |
---|
3232 | const GLAPen& pen2 = GetPen(band + 1); |
---|
3233 | |
---|
3234 | Double interval = z_ext / (GetNumColourBands() - 1); |
---|
3235 | Double into_band = z / interval - band; |
---|
3236 | |
---|
3237 | // printf("%g z_offset=%g interval=%g band=%d\n", into_band, |
---|
3238 | // z_offset, interval, band); |
---|
3239 | // FIXME: why do we need to clamp here? Is it because the walls can |
---|
3240 | // extend further up/down than the centre-line? |
---|
3241 | if (into_band < 0.0) into_band = 0.0; |
---|
3242 | if (into_band > 1.0) into_band = 1.0; |
---|
3243 | assert(into_band >= 0.0); |
---|
3244 | assert(into_band <= 1.0); |
---|
3245 | |
---|
3246 | pen1.Interpolate(pen2, into_band); |
---|
3247 | } |
---|
3248 | SetColour(pen1, factor); |
---|
3249 | } |
---|
3250 | |
---|
3251 | void GfxCore::PlaceVertexWithDepthColour(const Vector3 &v, Double factor) |
---|
3252 | { |
---|
3253 | SetDepthColour(v.GetZ(), factor); |
---|
3254 | PlaceVertex(v); |
---|
3255 | } |
---|
3256 | |
---|
3257 | void GfxCore::PlaceVertexWithDepthColour(const Vector3 &v, |
---|
3258 | glaTexCoord tex_x, glaTexCoord tex_y, |
---|
3259 | Double factor) |
---|
3260 | { |
---|
3261 | SetDepthColour(v.GetZ(), factor); |
---|
3262 | PlaceVertex(v, tex_x, tex_y); |
---|
3263 | } |
---|
3264 | |
---|
3265 | void GfxCore::SplitLineAcrossBands(int band, int band2, |
---|
3266 | const Vector3 &p, const Vector3 &q, |
---|
3267 | Double factor) |
---|
3268 | { |
---|
3269 | const int step = (band < band2) ? 1 : -1; |
---|
3270 | for (int i = band; i != band2; i += step) { |
---|
3271 | const Double z = GetDepthBoundaryBetweenBands(i, i + step); |
---|
3272 | |
---|
3273 | // Find the intersection point of the line p -> q |
---|
3274 | // with the plane parallel to the xy-plane with z-axis intersection z. |
---|
3275 | assert(q.GetZ() - p.GetZ() != 0.0); |
---|
3276 | |
---|
3277 | const Double t = (z - p.GetZ()) / (q.GetZ() - p.GetZ()); |
---|
3278 | // assert(0.0 <= t && t <= 1.0); FIXME: rounding problems! |
---|
3279 | |
---|
3280 | const Double x = p.GetX() + t * (q.GetX() - p.GetX()); |
---|
3281 | const Double y = p.GetY() + t * (q.GetY() - p.GetY()); |
---|
3282 | |
---|
3283 | PlaceVertexWithDepthColour(Vector3(x, y, z), factor); |
---|
3284 | } |
---|
3285 | } |
---|
3286 | |
---|
3287 | void GfxCore::SplitPolyAcrossBands(vector<vector<Split>>& splits, |
---|
3288 | int band, int band2, |
---|
3289 | const Vector3 &p, const Vector3 &q, |
---|
3290 | glaTexCoord ptx, glaTexCoord pty, |
---|
3291 | glaTexCoord w, glaTexCoord h) |
---|
3292 | { |
---|
3293 | const int step = (band < band2) ? 1 : -1; |
---|
3294 | for (int i = band; i != band2; i += step) { |
---|
3295 | const Double z = GetDepthBoundaryBetweenBands(i, i + step); |
---|
3296 | |
---|
3297 | // Find the intersection point of the line p -> q |
---|
3298 | // with the plane parallel to the xy-plane with z-axis intersection z. |
---|
3299 | assert(q.GetZ() - p.GetZ() != 0.0); |
---|
3300 | |
---|
3301 | const Double t = (z - p.GetZ()) / (q.GetZ() - p.GetZ()); |
---|
3302 | // assert(0.0 <= t && t <= 1.0); FIXME: rounding problems! |
---|
3303 | |
---|
3304 | const Double x = p.GetX() + t * (q.GetX() - p.GetX()); |
---|
3305 | const Double y = p.GetY() + t * (q.GetY() - p.GetY()); |
---|
3306 | glaTexCoord tx = ptx, ty = pty; |
---|
3307 | if (w) tx += t * w; |
---|
3308 | if (h) ty += t * h; |
---|
3309 | |
---|
3310 | splits[i].push_back(Split(Vector3(x, y, z), tx, ty)); |
---|
3311 | splits[i + step].push_back(Split(Vector3(x, y, z), tx, ty)); |
---|
3312 | } |
---|
3313 | } |
---|
3314 | |
---|
3315 | int GfxCore::GetDepthColour(Double z) const |
---|
3316 | { |
---|
3317 | // Return the (0-based) depth colour band index for a z-coordinate. |
---|
3318 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
3319 | z -= m_Parent->GetDepthMin(); |
---|
3320 | // We seem to get rounding differences causing z to sometimes be slightly |
---|
3321 | // less than GetDepthMin() here, and it can certainly be true for passage |
---|
3322 | // tubes, so just clamp the value to 0. |
---|
3323 | if (z <= 0) return 0; |
---|
3324 | // We seem to get rounding differences causing z to sometimes exceed z_ext |
---|
3325 | // by a small amount here (see: https://trac.survex.com/ticket/26) and it |
---|
3326 | // can certainly be true for passage tubes, so just clamp the value. |
---|
3327 | if (z >= z_ext) return GetNumColourBands() - 1; |
---|
3328 | return int(z / z_ext * (GetNumColourBands() - 1)); |
---|
3329 | } |
---|
3330 | |
---|
3331 | Double GfxCore::GetDepthBoundaryBetweenBands(int a, int b) const |
---|
3332 | { |
---|
3333 | // Return the z-coordinate of the depth colour boundary between |
---|
3334 | // two adjacent depth colour bands (specified by 0-based indices). |
---|
3335 | |
---|
3336 | assert((a == b - 1) || (a == b + 1)); |
---|
3337 | if (GetNumColourBands() == 1) return 0; |
---|
3338 | |
---|
3339 | int band = (a > b) ? a : b; // boundary N lies on the bottom of band N. |
---|
3340 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
3341 | return (z_ext * band / (GetNumColourBands() - 1)) + m_Parent->GetDepthMin(); |
---|
3342 | } |
---|
3343 | |
---|
3344 | void GfxCore::AddPolyline(const traverse & centreline) |
---|
3345 | { |
---|
3346 | BeginPolyline(); |
---|
3347 | SetColour(col_WHITE); |
---|
3348 | vector<PointInfo>::const_iterator i = centreline.begin(); |
---|
3349 | PlaceVertex(*i); |
---|
3350 | ++i; |
---|
3351 | while (i != centreline.end()) { |
---|
3352 | PlaceVertex(*i); |
---|
3353 | ++i; |
---|
3354 | } |
---|
3355 | EndPolyline(); |
---|
3356 | } |
---|
3357 | |
---|
3358 | void GfxCore::AddPolylineShadow(const traverse & centreline) |
---|
3359 | { |
---|
3360 | BeginPolyline(); |
---|
3361 | const double z = -0.5 * m_Parent->GetExtent().GetZ(); |
---|
3362 | vector<PointInfo>::const_iterator i = centreline.begin(); |
---|
3363 | PlaceVertex(i->GetX(), i->GetY(), z); |
---|
3364 | ++i; |
---|
3365 | while (i != centreline.end()) { |
---|
3366 | PlaceVertex(i->GetX(), i->GetY(), z); |
---|
3367 | ++i; |
---|
3368 | } |
---|
3369 | EndPolyline(); |
---|
3370 | } |
---|
3371 | |
---|
3372 | void GfxCore::AddPolylineDepth(const traverse & centreline) |
---|
3373 | { |
---|
3374 | BeginPolyline(); |
---|
3375 | vector<PointInfo>::const_iterator i, prev_i; |
---|
3376 | i = centreline.begin(); |
---|
3377 | int band0 = GetDepthColour(i->GetZ()); |
---|
3378 | PlaceVertexWithDepthColour(*i); |
---|
3379 | prev_i = i; |
---|
3380 | ++i; |
---|
3381 | while (i != centreline.end()) { |
---|
3382 | int band = GetDepthColour(i->GetZ()); |
---|
3383 | if (band != band0) { |
---|
3384 | SplitLineAcrossBands(band0, band, *prev_i, *i); |
---|
3385 | band0 = band; |
---|
3386 | } |
---|
3387 | PlaceVertexWithDepthColour(*i); |
---|
3388 | prev_i = i; |
---|
3389 | ++i; |
---|
3390 | } |
---|
3391 | EndPolyline(); |
---|
3392 | } |
---|
3393 | |
---|
3394 | void GfxCore::AddQuadrilateral(const Vector3 &a, const Vector3 &b, |
---|
3395 | const Vector3 &c, const Vector3 &d) |
---|
3396 | { |
---|
3397 | Vector3 normal = (a - c) * (d - b); |
---|
3398 | normal.normalise(); |
---|
3399 | Double factor = dot(normal, light) * .3 + .7; |
---|
3400 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3401 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3402 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
3403 | BeginQuadrilaterals(); |
---|
3404 | PlaceVertexWithColour(a, 0, 0, factor); |
---|
3405 | PlaceVertexWithColour(b, w, 0, factor); |
---|
3406 | PlaceVertexWithColour(c, w, h, factor); |
---|
3407 | PlaceVertexWithColour(d, 0, h, factor); |
---|
3408 | EndQuadrilaterals(); |
---|
3409 | } |
---|
3410 | |
---|
3411 | void GfxCore::AddQuadrilateralDepth(const Vector3 &a, const Vector3 &b, |
---|
3412 | const Vector3 &c, const Vector3 &d) |
---|
3413 | { |
---|
3414 | Vector3 normal = (a - c) * (d - b); |
---|
3415 | normal.normalise(); |
---|
3416 | Double factor = dot(normal, light) * .3 + .7; |
---|
3417 | int a_band, b_band, c_band, d_band; |
---|
3418 | a_band = GetDepthColour(a.GetZ()); |
---|
3419 | a_band = min(max(a_band, 0), GetNumColourBands()); |
---|
3420 | b_band = GetDepthColour(b.GetZ()); |
---|
3421 | b_band = min(max(b_band, 0), GetNumColourBands()); |
---|
3422 | c_band = GetDepthColour(c.GetZ()); |
---|
3423 | c_band = min(max(c_band, 0), GetNumColourBands()); |
---|
3424 | d_band = GetDepthColour(d.GetZ()); |
---|
3425 | d_band = min(max(d_band, 0), GetNumColourBands()); |
---|
3426 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3427 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3428 | int min_band = min(min(a_band, b_band), min(c_band, d_band)); |
---|
3429 | int max_band = max(max(a_band, b_band), max(c_band, d_band)); |
---|
3430 | if (min_band == max_band) { |
---|
3431 | // Simple case - the polygon is entirely within one band. |
---|
3432 | BeginPolygon(); |
---|
3433 | //// PlaceNormal(normal); |
---|
3434 | PlaceVertexWithDepthColour(a, 0, 0, factor); |
---|
3435 | PlaceVertexWithDepthColour(b, w, 0, factor); |
---|
3436 | PlaceVertexWithDepthColour(c, w, h, factor); |
---|
3437 | PlaceVertexWithDepthColour(d, 0, h, factor); |
---|
3438 | EndPolygon(); |
---|
3439 | } else { |
---|
3440 | // We need to make a separate polygon for each depth band... |
---|
3441 | vector<vector<Split>> splits; |
---|
3442 | splits.resize(max_band + 1); |
---|
3443 | splits[a_band].push_back(Split(a, 0, 0)); |
---|
3444 | if (a_band != b_band) { |
---|
3445 | SplitPolyAcrossBands(splits, a_band, b_band, a, b, 0, 0, w, 0); |
---|
3446 | } |
---|
3447 | splits[b_band].push_back(Split(b, w, 0)); |
---|
3448 | if (b_band != c_band) { |
---|
3449 | SplitPolyAcrossBands(splits, b_band, c_band, b, c, w, 0, 0, h); |
---|
3450 | } |
---|
3451 | splits[c_band].push_back(Split(c, w, h)); |
---|
3452 | if (c_band != d_band) { |
---|
3453 | SplitPolyAcrossBands(splits, c_band, d_band, c, d, w, h, -w, 0); |
---|
3454 | } |
---|
3455 | splits[d_band].push_back(Split(d, 0, h)); |
---|
3456 | if (d_band != a_band) { |
---|
3457 | SplitPolyAcrossBands(splits, d_band, a_band, d, a, 0, h, 0, -h); |
---|
3458 | } |
---|
3459 | for (int band = min_band; band <= max_band; ++band) { |
---|
3460 | BeginPolygon(); |
---|
3461 | for (auto&& item : splits[band]) { |
---|
3462 | PlaceVertexWithDepthColour(item.vec, item.tx, item.ty, factor); |
---|
3463 | } |
---|
3464 | EndPolygon(); |
---|
3465 | } |
---|
3466 | } |
---|
3467 | } |
---|
3468 | |
---|
3469 | void GfxCore::SetColourFromDate(int date, Double factor) |
---|
3470 | { |
---|
3471 | // Set the drawing colour based on a date. |
---|
3472 | |
---|
3473 | if (date == -1) { |
---|
3474 | // Undated. |
---|
3475 | SetColour(NODATA_COLOUR, factor); |
---|
3476 | return; |
---|
3477 | } |
---|
3478 | |
---|
3479 | int date_offset = date - m_Parent->GetDateMin(); |
---|
3480 | if (date_offset == 0) { |
---|
3481 | // Earliest date - handle as a special case for the single date case. |
---|
3482 | SetColour(GetPen(0), factor); |
---|
3483 | return; |
---|
3484 | } |
---|
3485 | |
---|
3486 | int date_ext = m_Parent->GetDateExtent(); |
---|
3487 | Double how_far = (Double)date_offset / date_ext; |
---|
3488 | assert(how_far >= 0.0); |
---|
3489 | assert(how_far <= 1.0); |
---|
3490 | SetColourFrom01(how_far, factor); |
---|
3491 | } |
---|
3492 | |
---|
3493 | void GfxCore::AddPolylineDate(const traverse & centreline) |
---|
3494 | { |
---|
3495 | BeginPolyline(); |
---|
3496 | vector<PointInfo>::const_iterator i, prev_i; |
---|
3497 | i = centreline.begin(); |
---|
3498 | int date = i->GetDate(); |
---|
3499 | SetColourFromDate(date, 1.0); |
---|
3500 | PlaceVertex(*i); |
---|
3501 | prev_i = i; |
---|
3502 | while (++i != centreline.end()) { |
---|
3503 | int newdate = i->GetDate(); |
---|
3504 | if (newdate != date) { |
---|
3505 | EndPolyline(); |
---|
3506 | BeginPolyline(); |
---|
3507 | date = newdate; |
---|
3508 | SetColourFromDate(date, 1.0); |
---|
3509 | PlaceVertex(*prev_i); |
---|
3510 | } |
---|
3511 | PlaceVertex(*i); |
---|
3512 | prev_i = i; |
---|
3513 | } |
---|
3514 | EndPolyline(); |
---|
3515 | } |
---|
3516 | |
---|
3517 | static int static_date_hack; // FIXME |
---|
3518 | |
---|
3519 | void GfxCore::AddQuadrilateralDate(const Vector3 &a, const Vector3 &b, |
---|
3520 | const Vector3 &c, const Vector3 &d) |
---|
3521 | { |
---|
3522 | Vector3 normal = (a - c) * (d - b); |
---|
3523 | normal.normalise(); |
---|
3524 | Double factor = dot(normal, light) * .3 + .7; |
---|
3525 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3526 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3527 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
3528 | BeginQuadrilaterals(); |
---|
3529 | //// PlaceNormal(normal); |
---|
3530 | SetColourFromDate(static_date_hack, factor); |
---|
3531 | PlaceVertex(a, 0, 0); |
---|
3532 | PlaceVertex(b, w, 0); |
---|
3533 | PlaceVertex(c, w, h); |
---|
3534 | PlaceVertex(d, 0, h); |
---|
3535 | EndQuadrilaterals(); |
---|
3536 | } |
---|
3537 | |
---|
3538 | static double static_E_hack; // FIXME |
---|
3539 | |
---|
3540 | void GfxCore::SetColourFromError(double E, Double factor) |
---|
3541 | { |
---|
3542 | // Set the drawing colour based on an error value. |
---|
3543 | |
---|
3544 | if (E < 0) { |
---|
3545 | SetColour(NODATA_COLOUR, factor); |
---|
3546 | return; |
---|
3547 | } |
---|
3548 | |
---|
3549 | Double how_far = E / MAX_ERROR; |
---|
3550 | assert(how_far >= 0.0); |
---|
3551 | if (how_far > 1.0) how_far = 1.0; |
---|
3552 | SetColourFrom01(how_far, factor); |
---|
3553 | } |
---|
3554 | |
---|
3555 | void GfxCore::AddQuadrilateralError(const Vector3 &a, const Vector3 &b, |
---|
3556 | const Vector3 &c, const Vector3 &d) |
---|
3557 | { |
---|
3558 | Vector3 normal = (a - c) * (d - b); |
---|
3559 | normal.normalise(); |
---|
3560 | Double factor = dot(normal, light) * .3 + .7; |
---|
3561 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3562 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3563 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
3564 | BeginQuadrilaterals(); |
---|
3565 | //// PlaceNormal(normal); |
---|
3566 | SetColourFromError(static_E_hack, factor); |
---|
3567 | PlaceVertex(a, 0, 0); |
---|
3568 | PlaceVertex(b, w, 0); |
---|
3569 | PlaceVertex(c, w, h); |
---|
3570 | PlaceVertex(d, 0, h); |
---|
3571 | EndQuadrilaterals(); |
---|
3572 | } |
---|
3573 | |
---|
3574 | void GfxCore::AddPolylineError(const traverse & centreline) |
---|
3575 | { |
---|
3576 | BeginPolyline(); |
---|
3577 | SetColourFromError(centreline.errors[error_type], 1.0); |
---|
3578 | vector<PointInfo>::const_iterator i; |
---|
3579 | for (i = centreline.begin(); i != centreline.end(); ++i) { |
---|
3580 | PlaceVertex(*i); |
---|
3581 | } |
---|
3582 | EndPolyline(); |
---|
3583 | } |
---|
3584 | |
---|
3585 | // gradient is in *radians*. |
---|
3586 | void GfxCore::SetColourFromGradient(double gradient, Double factor) |
---|
3587 | { |
---|
3588 | // Set the drawing colour based on the gradient of the leg. |
---|
3589 | |
---|
3590 | const Double GRADIENT_MAX = M_PI_2; |
---|
3591 | gradient = fabs(gradient); |
---|
3592 | Double how_far = gradient / GRADIENT_MAX; |
---|
3593 | SetColourFrom01(how_far, factor); |
---|
3594 | } |
---|
3595 | |
---|
3596 | void GfxCore::AddPolylineGradient(const traverse & centreline) |
---|
3597 | { |
---|
3598 | vector<PointInfo>::const_iterator i, prev_i; |
---|
3599 | i = centreline.begin(); |
---|
3600 | prev_i = i; |
---|
3601 | while (++i != centreline.end()) { |
---|
3602 | BeginPolyline(); |
---|
3603 | SetColourFromGradient((*i - *prev_i).gradient(), 1.0); |
---|
3604 | PlaceVertex(*prev_i); |
---|
3605 | PlaceVertex(*i); |
---|
3606 | prev_i = i; |
---|
3607 | EndPolyline(); |
---|
3608 | } |
---|
3609 | } |
---|
3610 | |
---|
3611 | static double static_gradient_hack; // FIXME |
---|
3612 | |
---|
3613 | void GfxCore::AddQuadrilateralGradient(const Vector3 &a, const Vector3 &b, |
---|
3614 | const Vector3 &c, const Vector3 &d) |
---|
3615 | { |
---|
3616 | Vector3 normal = (a - c) * (d - b); |
---|
3617 | normal.normalise(); |
---|
3618 | Double factor = dot(normal, light) * .3 + .7; |
---|
3619 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3620 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3621 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
3622 | BeginQuadrilaterals(); |
---|
3623 | //// PlaceNormal(normal); |
---|
3624 | SetColourFromGradient(static_gradient_hack, factor); |
---|
3625 | PlaceVertex(a, 0, 0); |
---|
3626 | PlaceVertex(b, w, 0); |
---|
3627 | PlaceVertex(c, w, h); |
---|
3628 | PlaceVertex(d, 0, h); |
---|
3629 | EndQuadrilaterals(); |
---|
3630 | } |
---|
3631 | |
---|
3632 | void GfxCore::SetColourFromLength(double length, Double factor) |
---|
3633 | { |
---|
3634 | // Set the drawing colour based on log(length_of_leg). |
---|
3635 | |
---|
3636 | Double log_len = log10(length); |
---|
3637 | Double how_far = log_len / LOG_LEN_MAX; |
---|
3638 | how_far = max(how_far, 0.0); |
---|
3639 | how_far = min(how_far, 1.0); |
---|
3640 | SetColourFrom01(how_far, factor); |
---|
3641 | } |
---|
3642 | |
---|
3643 | void GfxCore::SetColourFromSurvey(const wxString& survey) |
---|
3644 | { |
---|
3645 | // Set the drawing colour based on hash of name. |
---|
3646 | int hash = hash_string(survey.utf8_str()); |
---|
3647 | wxImage::HSVValue hsv((hash & 0xff) / 256.0, (((hash >> 8) & 0x7f) | 0x80) / 256.0, 0.9); |
---|
3648 | wxImage::RGBValue rgb = wxImage::HSVtoRGB(hsv); |
---|
3649 | GLAPen pen; |
---|
3650 | pen.SetColour(rgb.red / 256.0, rgb.green / 256.0, rgb.blue / 256.0); |
---|
3651 | SetColour(pen); |
---|
3652 | } |
---|
3653 | |
---|
3654 | void GfxCore::SetColourFromSurveyStation(const wxString& name, Double factor) |
---|
3655 | { |
---|
3656 | // Set the drawing colour based on hash of survey name. |
---|
3657 | const char* p = name.utf8_str(); |
---|
3658 | const char* q = strrchr(p, m_Parent->GetSeparator()); |
---|
3659 | size_t len = q ? (q - p) : strlen(p); |
---|
3660 | int hash = hash_data(p, len); |
---|
3661 | wxImage::HSVValue hsv((hash & 0xff) / 256.0, (((hash >> 8) & 0x7f) | 0x80) / 256.0, 0.9); |
---|
3662 | wxImage::RGBValue rgb = wxImage::HSVtoRGB(hsv); |
---|
3663 | GLAPen pen; |
---|
3664 | pen.SetColour(rgb.red / 256.0, rgb.green / 256.0, rgb.blue / 256.0); |
---|
3665 | SetColour(pen, factor); |
---|
3666 | } |
---|
3667 | |
---|
3668 | void GfxCore::SetColourFrom01(double how_far, Double factor) |
---|
3669 | { |
---|
3670 | double b; |
---|
3671 | double into_band = modf(how_far * (GetNumColourBands() - 1), &b); |
---|
3672 | int band(b); |
---|
3673 | GLAPen pen1 = GetPen(band); |
---|
3674 | // With 24bit colour, interpolating by less than this can have no effect. |
---|
3675 | if (into_band >= 1.0 / 512.0) { |
---|
3676 | const GLAPen& pen2 = GetPen(band + 1); |
---|
3677 | pen1.Interpolate(pen2, into_band); |
---|
3678 | } |
---|
3679 | SetColour(pen1, factor); |
---|
3680 | } |
---|
3681 | |
---|
3682 | void GfxCore::AddPolylineLength(const traverse & centreline) |
---|
3683 | { |
---|
3684 | vector<PointInfo>::const_iterator i, prev_i; |
---|
3685 | i = centreline.begin(); |
---|
3686 | prev_i = i; |
---|
3687 | while (++i != centreline.end()) { |
---|
3688 | BeginPolyline(); |
---|
3689 | SetColourFromLength((*i - *prev_i).magnitude(), 1.0); |
---|
3690 | PlaceVertex(*prev_i); |
---|
3691 | PlaceVertex(*i); |
---|
3692 | prev_i = i; |
---|
3693 | EndPolyline(); |
---|
3694 | } |
---|
3695 | } |
---|
3696 | |
---|
3697 | static double static_length_hack; // FIXME |
---|
3698 | |
---|
3699 | void GfxCore::AddQuadrilateralLength(const Vector3 &a, const Vector3 &b, |
---|
3700 | const Vector3 &c, const Vector3 &d) |
---|
3701 | { |
---|
3702 | Vector3 normal = (a - c) * (d - b); |
---|
3703 | normal.normalise(); |
---|
3704 | Double factor = dot(normal, light) * .3 + .7; |
---|
3705 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3706 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3707 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
3708 | BeginQuadrilaterals(); |
---|
3709 | //// PlaceNormal(normal); |
---|
3710 | SetColourFromLength(static_length_hack, factor); |
---|
3711 | PlaceVertex(a, 0, 0); |
---|
3712 | PlaceVertex(b, w, 0); |
---|
3713 | PlaceVertex(c, w, h); |
---|
3714 | PlaceVertex(d, 0, h); |
---|
3715 | EndQuadrilaterals(); |
---|
3716 | } |
---|
3717 | |
---|
3718 | void GfxCore::AddPolylineSurvey(const traverse & centreline) |
---|
3719 | { |
---|
3720 | SetColourFromSurvey(centreline.name); |
---|
3721 | vector<PointInfo>::const_iterator i, prev_i; |
---|
3722 | i = centreline.begin(); |
---|
3723 | prev_i = i; |
---|
3724 | while (++i != centreline.end()) { |
---|
3725 | BeginPolyline(); |
---|
3726 | PlaceVertex(*prev_i); |
---|
3727 | PlaceVertex(*i); |
---|
3728 | prev_i = i; |
---|
3729 | EndPolyline(); |
---|
3730 | } |
---|
3731 | } |
---|
3732 | |
---|
3733 | static const wxString* static_survey_hack; |
---|
3734 | |
---|
3735 | void GfxCore::AddQuadrilateralSurvey(const Vector3 &a, const Vector3 &b, |
---|
3736 | const Vector3 &c, const Vector3 &d) |
---|
3737 | { |
---|
3738 | Vector3 normal = (a - c) * (d - b); |
---|
3739 | normal.normalise(); |
---|
3740 | Double factor = dot(normal, light) * .3 + .7; |
---|
3741 | glaTexCoord w(((b - a).magnitude() + (d - c).magnitude()) * .5); |
---|
3742 | glaTexCoord h(((b - c).magnitude() + (d - a).magnitude()) * .5); |
---|
3743 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
3744 | BeginQuadrilaterals(); |
---|
3745 | //// PlaceNormal(normal); |
---|
3746 | SetColourFromSurveyStation(*static_survey_hack, factor); |
---|
3747 | PlaceVertex(a, 0, 0); |
---|
3748 | PlaceVertex(b, w, 0); |
---|
3749 | PlaceVertex(c, w, h); |
---|
3750 | PlaceVertex(d, 0, h); |
---|
3751 | EndQuadrilaterals(); |
---|
3752 | } |
---|
3753 | |
---|
3754 | void |
---|
3755 | GfxCore::SkinPassage(vector<XSect> & centreline) |
---|
3756 | { |
---|
3757 | const SurveyFilter* filter = m_Parent->GetTreeFilter(); |
---|
3758 | assert(centreline.size() > 1); |
---|
3759 | Vector3 U[4]; |
---|
3760 | XSect* prev_pt_v = NULL; |
---|
3761 | Vector3 last_right(1.0, 0.0, 0.0); |
---|
3762 | |
---|
3763 | // FIXME: it's not simple to set the colour of a tube based on error... |
---|
3764 | // static_E_hack = something... |
---|
3765 | vector<XSect>::iterator i = centreline.begin(); |
---|
3766 | vector<XSect>::size_type segment = 0; |
---|
3767 | while (i != centreline.end()) { |
---|
3768 | // get the coordinates of this vertex |
---|
3769 | XSect & pt_v = *i++; |
---|
3770 | |
---|
3771 | bool cover_end = false; |
---|
3772 | |
---|
3773 | Vector3 right, up; |
---|
3774 | |
---|
3775 | const Vector3 up_v(0.0, 0.0, 1.0); |
---|
3776 | |
---|
3777 | static_survey_hack = &(pt_v.GetLabel()); |
---|
3778 | if (segment == 0) { |
---|
3779 | assert(i != centreline.end()); |
---|
3780 | // first segment |
---|
3781 | |
---|
3782 | // get the coordinates of the next vertex |
---|
3783 | const XSect & next_pt_v = *i; |
---|
3784 | |
---|
3785 | // calculate vector from this pt to the next one |
---|
3786 | Vector3 leg_v = next_pt_v - pt_v; |
---|
3787 | |
---|
3788 | // obtain a vector in the LRUD plane |
---|
3789 | right = leg_v * up_v; |
---|
3790 | if (right.magnitude() == 0) { |
---|
3791 | right = last_right; |
---|
3792 | // Obtain a second vector in the LRUD plane, |
---|
3793 | // perpendicular to the first. |
---|
3794 | //up = right * leg_v; |
---|
3795 | up = up_v; |
---|
3796 | } else { |
---|
3797 | last_right = right; |
---|
3798 | up = up_v; |
---|
3799 | } |
---|
3800 | |
---|
3801 | cover_end = true; |
---|
3802 | static_date_hack = next_pt_v.GetDate(); |
---|
3803 | } else if (segment + 1 == centreline.size()) { |
---|
3804 | // last segment |
---|
3805 | |
---|
3806 | // Calculate vector from the previous pt to this one. |
---|
3807 | Vector3 leg_v = pt_v - *prev_pt_v; |
---|
3808 | |
---|
3809 | // Obtain a horizontal vector in the LRUD plane. |
---|
3810 | right = leg_v * up_v; |
---|
3811 | if (right.magnitude() == 0) { |
---|
3812 | right = Vector3(last_right.GetX(), last_right.GetY(), 0.0); |
---|
3813 | // Obtain a second vector in the LRUD plane, |
---|
3814 | // perpendicular to the first. |
---|
3815 | //up = right * leg_v; |
---|
3816 | up = up_v; |
---|
3817 | } else { |
---|
3818 | last_right = right; |
---|
3819 | up = up_v; |
---|
3820 | } |
---|
3821 | |
---|
3822 | cover_end = true; |
---|
3823 | static_date_hack = pt_v.GetDate(); |
---|
3824 | } else { |
---|
3825 | assert(i != centreline.end()); |
---|
3826 | // Intermediate segment. |
---|
3827 | |
---|
3828 | // Get the coordinates of the next vertex. |
---|
3829 | const XSect & next_pt_v = *i; |
---|
3830 | |
---|
3831 | // Calculate vectors from this vertex to the |
---|
3832 | // next vertex, and from the previous vertex to |
---|
3833 | // this one. |
---|
3834 | Vector3 leg1_v = pt_v - *prev_pt_v; |
---|
3835 | Vector3 leg2_v = next_pt_v - pt_v; |
---|
3836 | |
---|
3837 | // Obtain horizontal vectors perpendicular to |
---|
3838 | // both legs, then normalise and average to get |
---|
3839 | // a horizontal bisector. |
---|
3840 | Vector3 r1 = leg1_v * up_v; |
---|
3841 | Vector3 r2 = leg2_v * up_v; |
---|
3842 | r1.normalise(); |
---|
3843 | r2.normalise(); |
---|
3844 | right = r1 + r2; |
---|
3845 | if (right.magnitude() == 0) { |
---|
3846 | // This is the "mid-pitch" case... |
---|
3847 | right = last_right; |
---|
3848 | } |
---|
3849 | if (r1.magnitude() == 0) { |
---|
3850 | up = up_v; |
---|
3851 | |
---|
3852 | // Rotate pitch section to minimise the |
---|
3853 | // "torsional stress" - FIXME: use |
---|
3854 | // triangles instead of rectangles? |
---|
3855 | int shift = 0; |
---|
3856 | Double maxdotp = 0; |
---|
3857 | |
---|
3858 | // Scale to unit vectors in the LRUD plane. |
---|
3859 | right.normalise(); |
---|
3860 | up.normalise(); |
---|
3861 | Vector3 vec = up - right; |
---|
3862 | for (int orient = 0; orient <= 3; ++orient) { |
---|
3863 | Vector3 tmp = U[orient] - prev_pt_v->GetPoint(); |
---|
3864 | tmp.normalise(); |
---|
3865 | Double dotp = dot(vec, tmp); |
---|
3866 | if (dotp > maxdotp) { |
---|
3867 | maxdotp = dotp; |
---|
3868 | shift = orient; |
---|
3869 | } |
---|
3870 | } |
---|
3871 | if (shift) { |
---|
3872 | if (shift != 2) { |
---|
3873 | Vector3 temp(U[0]); |
---|
3874 | U[0] = U[shift]; |
---|
3875 | U[shift] = U[2]; |
---|
3876 | U[2] = U[shift ^ 2]; |
---|
3877 | U[shift ^ 2] = temp; |
---|
3878 | } else { |
---|
3879 | swap(U[0], U[2]); |
---|
3880 | swap(U[1], U[3]); |
---|
3881 | } |
---|
3882 | } |
---|
3883 | #if 0 |
---|
3884 | // Check that the above code actually permuted |
---|
3885 | // the vertices correctly. |
---|
3886 | shift = 0; |
---|
3887 | maxdotp = 0; |
---|
3888 | for (int j = 0; j <= 3; ++j) { |
---|
3889 | Vector3 tmp = U[j] - *prev_pt_v; |
---|
3890 | tmp.normalise(); |
---|
3891 | Double dotp = dot(vec, tmp); |
---|
3892 | if (dotp > maxdotp) { |
---|
3893 | maxdotp = dotp + 1e-6; // Add small tolerance to stop 45 degree offset cases being flagged... |
---|
3894 | shift = j; |
---|
3895 | } |
---|
3896 | } |
---|
3897 | if (shift) { |
---|
3898 | printf("New shift = %d!\n", shift); |
---|
3899 | shift = 0; |
---|
3900 | maxdotp = 0; |
---|
3901 | for (int j = 0; j <= 3; ++j) { |
---|
3902 | Vector3 tmp = U[j] - *prev_pt_v; |
---|
3903 | tmp.normalise(); |
---|
3904 | Double dotp = dot(vec, tmp); |
---|
3905 | printf(" %d : %.8f\n", j, dotp); |
---|
3906 | } |
---|
3907 | } |
---|
3908 | #endif |
---|
3909 | } else { |
---|
3910 | up = up_v; |
---|
3911 | } |
---|
3912 | last_right = right; |
---|
3913 | static_date_hack = pt_v.GetDate(); |
---|
3914 | } |
---|
3915 | |
---|
3916 | // Scale to unit vectors in the LRUD plane. |
---|
3917 | right.normalise(); |
---|
3918 | up.normalise(); |
---|
3919 | |
---|
3920 | Double l = fabs(pt_v.GetL()); |
---|
3921 | Double r = fabs(pt_v.GetR()); |
---|
3922 | Double u = fabs(pt_v.GetU()); |
---|
3923 | Double d = fabs(pt_v.GetD()); |
---|
3924 | |
---|
3925 | // Produce coordinates of the corners of the LRUD "plane". |
---|
3926 | Vector3 v[4]; |
---|
3927 | v[0] = pt_v.GetPoint() - right * l + up * u; |
---|
3928 | v[1] = pt_v.GetPoint() + right * r + up * u; |
---|
3929 | v[2] = pt_v.GetPoint() + right * r - up * d; |
---|
3930 | v[3] = pt_v.GetPoint() - right * l - up * d; |
---|
3931 | |
---|
3932 | if (segment > 0) { |
---|
3933 | if (!filter || (filter->CheckVisible(pt_v.GetLabel()) && |
---|
3934 | filter->CheckVisible(prev_pt_v->GetLabel()))) { |
---|
3935 | const Vector3 & delta = pt_v - *prev_pt_v; |
---|
3936 | static_length_hack = delta.magnitude(); |
---|
3937 | static_gradient_hack = delta.gradient(); |
---|
3938 | (this->*AddQuad)(v[0], v[1], U[1], U[0]); |
---|
3939 | (this->*AddQuad)(v[2], v[3], U[3], U[2]); |
---|
3940 | (this->*AddQuad)(v[1], v[2], U[2], U[1]); |
---|
3941 | (this->*AddQuad)(v[3], v[0], U[0], U[3]); |
---|
3942 | } |
---|
3943 | } |
---|
3944 | |
---|
3945 | if (cover_end) { |
---|
3946 | if (!filter || filter->CheckVisible(pt_v.GetLabel())) { |
---|
3947 | if (segment == 0) { |
---|
3948 | (this->*AddQuad)(v[0], v[1], v[2], v[3]); |
---|
3949 | } else { |
---|
3950 | (this->*AddQuad)(v[3], v[2], v[1], v[0]); |
---|
3951 | } |
---|
3952 | } |
---|
3953 | } |
---|
3954 | |
---|
3955 | prev_pt_v = &pt_v; |
---|
3956 | U[0] = v[0]; |
---|
3957 | U[1] = v[1]; |
---|
3958 | U[2] = v[2]; |
---|
3959 | U[3] = v[3]; |
---|
3960 | |
---|
3961 | ++segment; |
---|
3962 | } |
---|
3963 | } |
---|
3964 | |
---|
3965 | void GfxCore::FullScreenMode() |
---|
3966 | { |
---|
3967 | m_Parent->ViewFullScreen(); |
---|
3968 | } |
---|
3969 | |
---|
3970 | bool GfxCore::IsFullScreen() const |
---|
3971 | { |
---|
3972 | return m_Parent->IsFullScreen(); |
---|
3973 | } |
---|
3974 | |
---|
3975 | bool GfxCore::FullScreenModeShowingMenus() const |
---|
3976 | { |
---|
3977 | return m_Parent->FullScreenModeShowingMenus(); |
---|
3978 | } |
---|
3979 | |
---|
3980 | void GfxCore::FullScreenModeShowMenus(bool show) |
---|
3981 | { |
---|
3982 | m_Parent->FullScreenModeShowMenus(show); |
---|
3983 | } |
---|
3984 | |
---|
3985 | void |
---|
3986 | GfxCore::MoveViewer(double forward, double up, double right) |
---|
3987 | { |
---|
3988 | double cT = cos(rad(m_TiltAngle)); |
---|
3989 | double sT = sin(rad(m_TiltAngle)); |
---|
3990 | double cP = cos(rad(m_PanAngle)); |
---|
3991 | double sP = sin(rad(m_PanAngle)); |
---|
3992 | Vector3 v_forward(cT * sP, cT * cP, sT); |
---|
3993 | Vector3 v_up(sT * sP, sT * cP, -cT); |
---|
3994 | Vector3 v_right(-cP, sP, 0); |
---|
3995 | assert(fabs(dot(v_forward, v_up)) < 1e-6); |
---|
3996 | assert(fabs(dot(v_forward, v_right)) < 1e-6); |
---|
3997 | assert(fabs(dot(v_right, v_up)) < 1e-6); |
---|
3998 | Vector3 move = v_forward * forward + v_up * up + v_right * right; |
---|
3999 | AddTranslation(-move); |
---|
4000 | // Show current position. |
---|
4001 | m_Parent->SetCoords(m_Parent->GetOffset() - GetTranslation()); |
---|
4002 | ForceRefresh(); |
---|
4003 | } |
---|
4004 | |
---|
4005 | PresentationMark GfxCore::GetView() const |
---|
4006 | { |
---|
4007 | return PresentationMark(GetTranslation() + m_Parent->GetOffset(), |
---|
4008 | m_PanAngle, -m_TiltAngle, m_Scale); |
---|
4009 | } |
---|
4010 | |
---|
4011 | void GfxCore::SetView(const PresentationMark & p) |
---|
4012 | { |
---|
4013 | m_SwitchingTo = 0; |
---|
4014 | SetTranslation(p - m_Parent->GetOffset()); |
---|
4015 | m_PanAngle = p.angle; |
---|
4016 | m_TiltAngle = -p.tilt_angle; // FIXME: nasty reversed sense (and above) |
---|
4017 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
4018 | SetScale(p.scale); |
---|
4019 | ForceRefresh(); |
---|
4020 | } |
---|
4021 | |
---|
4022 | void GfxCore::PlayPres(double speed, bool change_speed) { |
---|
4023 | if (!change_speed || presentation_mode == 0) { |
---|
4024 | if (speed == 0.0) { |
---|
4025 | presentation_mode = 0; |
---|
4026 | return; |
---|
4027 | } |
---|
4028 | presentation_mode = PLAYING; |
---|
4029 | next_mark = m_Parent->GetPresMark(MARK_FIRST); |
---|
4030 | SetView(next_mark); |
---|
4031 | next_mark_time = 0; // There already! |
---|
4032 | this_mark_total = 0; |
---|
4033 | pres_reverse = (speed < 0); |
---|
4034 | } |
---|
4035 | |
---|
4036 | if (change_speed) pres_speed = speed; |
---|
4037 | |
---|
4038 | if (speed != 0.0) { |
---|
4039 | bool new_pres_reverse = (speed < 0); |
---|
4040 | if (new_pres_reverse != pres_reverse) { |
---|
4041 | pres_reverse = new_pres_reverse; |
---|
4042 | if (pres_reverse) { |
---|
4043 | next_mark = m_Parent->GetPresMark(MARK_PREV); |
---|
4044 | } else { |
---|
4045 | next_mark = m_Parent->GetPresMark(MARK_NEXT); |
---|
4046 | } |
---|
4047 | swap(this_mark_total, next_mark_time); |
---|
4048 | } |
---|
4049 | } |
---|
4050 | } |
---|
4051 | |
---|
4052 | void GfxCore::SetColourBy(int colour_by) { |
---|
4053 | m_ColourBy = colour_by; |
---|
4054 | switch (colour_by) { |
---|
4055 | case COLOUR_BY_DEPTH: |
---|
4056 | AddQuad = &GfxCore::AddQuadrilateralDepth; |
---|
4057 | AddPoly = &GfxCore::AddPolylineDepth; |
---|
4058 | break; |
---|
4059 | case COLOUR_BY_DATE: |
---|
4060 | AddQuad = &GfxCore::AddQuadrilateralDate; |
---|
4061 | AddPoly = &GfxCore::AddPolylineDate; |
---|
4062 | break; |
---|
4063 | case COLOUR_BY_ERROR: |
---|
4064 | case COLOUR_BY_H_ERROR: |
---|
4065 | case COLOUR_BY_V_ERROR: |
---|
4066 | AddQuad = &GfxCore::AddQuadrilateralError; |
---|
4067 | AddPoly = &GfxCore::AddPolylineError; |
---|
4068 | break; |
---|
4069 | case COLOUR_BY_GRADIENT: |
---|
4070 | AddQuad = &GfxCore::AddQuadrilateralGradient; |
---|
4071 | AddPoly = &GfxCore::AddPolylineGradient; |
---|
4072 | break; |
---|
4073 | case COLOUR_BY_LENGTH: |
---|
4074 | AddQuad = &GfxCore::AddQuadrilateralLength; |
---|
4075 | AddPoly = &GfxCore::AddPolylineLength; |
---|
4076 | break; |
---|
4077 | case COLOUR_BY_SURVEY: |
---|
4078 | AddQuad = &GfxCore::AddQuadrilateralSurvey; |
---|
4079 | AddPoly = &GfxCore::AddPolylineSurvey; |
---|
4080 | break; |
---|
4081 | default: // case COLOUR_BY_NONE: |
---|
4082 | AddQuad = &GfxCore::AddQuadrilateral; |
---|
4083 | AddPoly = &GfxCore::AddPolyline; |
---|
4084 | break; |
---|
4085 | } |
---|
4086 | |
---|
4087 | switch (colour_by) { |
---|
4088 | case COLOUR_BY_ERROR: |
---|
4089 | error_type = traverse::ERROR_3D; |
---|
4090 | break; |
---|
4091 | case COLOUR_BY_H_ERROR: |
---|
4092 | error_type = traverse::ERROR_H; |
---|
4093 | break; |
---|
4094 | case COLOUR_BY_V_ERROR: |
---|
4095 | error_type = traverse::ERROR_V; |
---|
4096 | break; |
---|
4097 | } |
---|
4098 | |
---|
4099 | InvalidateList(LIST_UNDERGROUND_LEGS); |
---|
4100 | InvalidateList(LIST_SURFACE_LEGS); |
---|
4101 | InvalidateList(LIST_TUBES); |
---|
4102 | |
---|
4103 | ForceRefresh(); |
---|
4104 | } |
---|
4105 | |
---|
4106 | bool GfxCore::ExportMovie(const wxString & fnm) |
---|
4107 | { |
---|
4108 | FILE* fh = wxFopen(fnm.fn_str(), wxT("wb")); |
---|
4109 | if (fh == NULL) { |
---|
4110 | wxGetApp().ReportError(wxString::Format(wmsg(/*Failed to open output file “%s”*/47), fnm.c_str())); |
---|
4111 | return false; |
---|
4112 | } |
---|
4113 | |
---|
4114 | wxString ext; |
---|
4115 | wxFileName::SplitPath(fnm, NULL, NULL, NULL, &ext, wxPATH_NATIVE); |
---|
4116 | |
---|
4117 | int width; |
---|
4118 | int height; |
---|
4119 | GetSize(&width, &height); |
---|
4120 | // Round up to next multiple of 2 (required by ffmpeg). |
---|
4121 | width += (width & 1); |
---|
4122 | height += (height & 1); |
---|
4123 | |
---|
4124 | movie = new MovieMaker(); |
---|
4125 | |
---|
4126 | // movie takes ownership of fh. |
---|
4127 | if (!movie->Open(fh, ext.utf8_str(), width, height)) { |
---|
4128 | wxGetApp().ReportError(wxString(movie->get_error_string(), wxConvUTF8)); |
---|
4129 | delete movie; |
---|
4130 | movie = NULL; |
---|
4131 | return false; |
---|
4132 | } |
---|
4133 | |
---|
4134 | PlayPres(1); |
---|
4135 | return true; |
---|
4136 | } |
---|
4137 | |
---|
4138 | void |
---|
4139 | GfxCore::OnPrint(const wxString &filename, const wxString &title, |
---|
4140 | const wxString &datestamp, |
---|
4141 | bool close_after_print) |
---|
4142 | { |
---|
4143 | svxPrintDlg * p; |
---|
4144 | p = new svxPrintDlg(m_Parent, filename, title, datestamp, |
---|
4145 | m_PanAngle, m_TiltAngle, |
---|
4146 | m_Names, m_Crosses, m_Legs, m_Surface, m_Splays, |
---|
4147 | m_Tubes, m_Entrances, m_FixedPts, m_ExportedPts, |
---|
4148 | true, close_after_print); |
---|
4149 | p->Show(true); |
---|
4150 | } |
---|
4151 | |
---|
4152 | void |
---|
4153 | GfxCore::OnExport(const wxString &filename, const wxString &title, |
---|
4154 | const wxString &datestamp) |
---|
4155 | { |
---|
4156 | svxPrintDlg * p; |
---|
4157 | p = new svxPrintDlg(m_Parent, filename, title, datestamp, |
---|
4158 | m_PanAngle, m_TiltAngle, |
---|
4159 | m_Names, m_Crosses, m_Legs, m_Surface, m_Splays, |
---|
4160 | m_Tubes, m_Entrances, m_FixedPts, m_ExportedPts, |
---|
4161 | false); |
---|
4162 | p->Show(true); |
---|
4163 | } |
---|
4164 | |
---|
4165 | static wxCursor |
---|
4166 | make_cursor(const unsigned char * bits, const unsigned char * mask, |
---|
4167 | int hotx, int hoty) |
---|
4168 | { |
---|
4169 | #if defined __WXGTK__ && !defined __WXGTK3__ |
---|
4170 | // Use this code for GTK < 3 only - it doesn't work properly with GTK3 |
---|
4171 | // (reported and should be fixed in wxWidgets 3.0.4 and 3.1.1, see: |
---|
4172 | // https://trac.wxwidgets.org/ticket/17916) |
---|
4173 | return wxCursor((const char *)bits, 32, 32, hotx, hoty, |
---|
4174 | (const char *)mask, wxBLACK, wxWHITE); |
---|
4175 | #else |
---|
4176 | # ifdef __WXMAC__ |
---|
4177 | // The default Mac cursor is black with a white edge, so |
---|
4178 | // invert our custom cursors to match. |
---|
4179 | char b[128]; |
---|
4180 | for (int i = 0; i < 128; ++i) |
---|
4181 | b[i] = bits[i] ^ 0xff; |
---|
4182 | # else |
---|
4183 | const char * b = reinterpret_cast<const char *>(bits); |
---|
4184 | # endif |
---|
4185 | wxBitmap cursor_bitmap(b, 32, 32); |
---|
4186 | wxBitmap mask_bitmap(reinterpret_cast<const char *>(mask), 32, 32); |
---|
4187 | cursor_bitmap.SetMask(new wxMask(mask_bitmap, *wxWHITE)); |
---|
4188 | wxImage cursor_image = cursor_bitmap.ConvertToImage(); |
---|
4189 | cursor_image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hotx); |
---|
4190 | cursor_image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hoty); |
---|
4191 | return wxCursor(cursor_image); |
---|
4192 | #endif |
---|
4193 | } |
---|
4194 | |
---|
4195 | const |
---|
4196 | #include "hand.xbm" |
---|
4197 | const |
---|
4198 | #include "handmask.xbm" |
---|
4199 | |
---|
4200 | const |
---|
4201 | #include "brotate.xbm" |
---|
4202 | const |
---|
4203 | #include "brotatemask.xbm" |
---|
4204 | |
---|
4205 | const |
---|
4206 | #include "vrotate.xbm" |
---|
4207 | const |
---|
4208 | #include "vrotatemask.xbm" |
---|
4209 | |
---|
4210 | const |
---|
4211 | #include "rotate.xbm" |
---|
4212 | const |
---|
4213 | #include "rotatemask.xbm" |
---|
4214 | |
---|
4215 | const |
---|
4216 | #include "rotatezoom.xbm" |
---|
4217 | const |
---|
4218 | #include "rotatezoommask.xbm" |
---|
4219 | |
---|
4220 | void |
---|
4221 | GfxCore::UpdateCursor(GfxCore::cursor new_cursor) |
---|
4222 | { |
---|
4223 | // Check if we're already showing that cursor. |
---|
4224 | if (current_cursor == new_cursor) return; |
---|
4225 | |
---|
4226 | current_cursor = new_cursor; |
---|
4227 | switch (current_cursor) { |
---|
4228 | case GfxCore::CURSOR_DEFAULT: |
---|
4229 | GLACanvas::SetCursor(wxNullCursor); |
---|
4230 | break; |
---|
4231 | case GfxCore::CURSOR_POINTING_HAND: |
---|
4232 | GLACanvas::SetCursor(wxCursor(wxCURSOR_HAND)); |
---|
4233 | break; |
---|
4234 | case GfxCore::CURSOR_DRAGGING_HAND: |
---|
4235 | GLACanvas::SetCursor(make_cursor(hand_bits, handmask_bits, 12, 18)); |
---|
4236 | break; |
---|
4237 | case GfxCore::CURSOR_HORIZONTAL_RESIZE: |
---|
4238 | GLACanvas::SetCursor(wxCursor(wxCURSOR_SIZEWE)); |
---|
4239 | break; |
---|
4240 | case GfxCore::CURSOR_ROTATE_HORIZONTALLY: |
---|
4241 | GLACanvas::SetCursor(make_cursor(rotate_bits, rotatemask_bits, 15, 15)); |
---|
4242 | break; |
---|
4243 | case GfxCore::CURSOR_ROTATE_VERTICALLY: |
---|
4244 | GLACanvas::SetCursor(make_cursor(vrotate_bits, vrotatemask_bits, 15, 15)); |
---|
4245 | break; |
---|
4246 | case GfxCore::CURSOR_ROTATE_EITHER_WAY: |
---|
4247 | GLACanvas::SetCursor(make_cursor(brotate_bits, brotatemask_bits, 15, 15)); |
---|
4248 | break; |
---|
4249 | case GfxCore::CURSOR_ZOOM: |
---|
4250 | GLACanvas::SetCursor(wxCursor(wxCURSOR_MAGNIFIER)); |
---|
4251 | break; |
---|
4252 | case GfxCore::CURSOR_ZOOM_ROTATE: |
---|
4253 | GLACanvas::SetCursor(make_cursor(rotatezoom_bits, rotatezoommask_bits, 15, 15)); |
---|
4254 | break; |
---|
4255 | } |
---|
4256 | } |
---|
4257 | |
---|
4258 | bool GfxCore::MeasuringLineActive() const |
---|
4259 | { |
---|
4260 | if (Animating()) return false; |
---|
4261 | return HereIsReal() || m_there; |
---|
4262 | } |
---|
4263 | |
---|
4264 | bool GfxCore::HandleRClick(wxPoint point) |
---|
4265 | { |
---|
4266 | if (PointWithinCompass(point)) { |
---|
4267 | // Pop up menu. |
---|
4268 | wxMenu menu; |
---|
4269 | /* TRANSLATORS: View *looking* North */ |
---|
4270 | menu.Append(menu_ORIENT_MOVE_NORTH, wmsg(/*View &North*/240)); |
---|
4271 | /* TRANSLATORS: View *looking* East */ |
---|
4272 | menu.Append(menu_ORIENT_MOVE_EAST, wmsg(/*View &East*/241)); |
---|
4273 | /* TRANSLATORS: View *looking* South */ |
---|
4274 | menu.Append(menu_ORIENT_MOVE_SOUTH, wmsg(/*View &South*/242)); |
---|
4275 | /* TRANSLATORS: View *looking* West */ |
---|
4276 | menu.Append(menu_ORIENT_MOVE_WEST, wmsg(/*View &West*/243)); |
---|
4277 | menu.AppendSeparator(); |
---|
4278 | /* TRANSLATORS: Menu item which turns off the "north arrow" in aven. */ |
---|
4279 | menu.AppendCheckItem(menu_IND_COMPASS, wmsg(/*&Hide Compass*/387)); |
---|
4280 | /* TRANSLATORS: tickable menu item in View menu. |
---|
4281 | * |
---|
4282 | * Degrees are the angular measurement where there are 360 in a full |
---|
4283 | * circle. */ |
---|
4284 | menu.AppendCheckItem(menu_CTL_DEGREES, wmsg(/*&Degrees*/343)); |
---|
4285 | menu.Bind(wxEVT_COMMAND_MENU_SELECTED, |
---|
4286 | [&](wxEvent& e) { |
---|
4287 | m_Parent->GetEventHandler()->ProcessEvent(e); |
---|
4288 | }); |
---|
4289 | PopupMenu(&menu); |
---|
4290 | return true; |
---|
4291 | } |
---|
4292 | |
---|
4293 | if (PointWithinClino(point)) { |
---|
4294 | // Pop up menu. |
---|
4295 | wxMenu menu; |
---|
4296 | menu.Append(menu_ORIENT_PLAN, wmsg(/*&Plan View*/248)); |
---|
4297 | menu.Append(menu_ORIENT_ELEVATION, wmsg(/*Ele&vation*/249)); |
---|
4298 | menu.AppendSeparator(); |
---|
4299 | /* TRANSLATORS: Menu item which turns off the tilt indicator in aven. */ |
---|
4300 | menu.AppendCheckItem(menu_IND_CLINO, wmsg(/*&Hide Clino*/384)); |
---|
4301 | /* TRANSLATORS: tickable menu item in View menu. |
---|
4302 | * |
---|
4303 | * Degrees are the angular measurement where there are 360 in a full |
---|
4304 | * circle. */ |
---|
4305 | menu.AppendCheckItem(menu_CTL_DEGREES, wmsg(/*&Degrees*/343)); |
---|
4306 | /* TRANSLATORS: tickable menu item in View menu. |
---|
4307 | * |
---|
4308 | * Show the tilt of the survey as a percentage gradient (100% = 45 |
---|
4309 | * degrees = 50 grad). */ |
---|
4310 | menu.AppendCheckItem(menu_CTL_PERCENT, wmsg(/*&Percent*/430)); |
---|
4311 | menu.Bind(wxEVT_COMMAND_MENU_SELECTED, |
---|
4312 | [&](wxEvent& e) { |
---|
4313 | m_Parent->GetEventHandler()->ProcessEvent(e); |
---|
4314 | }); |
---|
4315 | PopupMenu(&menu); |
---|
4316 | return true; |
---|
4317 | } |
---|
4318 | |
---|
4319 | if (PointWithinScaleBar(point)) { |
---|
4320 | // Pop up menu. |
---|
4321 | wxMenu menu; |
---|
4322 | /* TRANSLATORS: Menu item which turns off the scale bar in aven. */ |
---|
4323 | menu.AppendCheckItem(menu_IND_SCALE_BAR, wmsg(/*&Hide scale bar*/385)); |
---|
4324 | /* TRANSLATORS: tickable menu item in View menu. |
---|
4325 | * |
---|
4326 | * "Metric" here means metres, km, etc (rather than feet, miles, etc) |
---|
4327 | */ |
---|
4328 | menu.AppendCheckItem(menu_CTL_METRIC, wmsg(/*&Metric*/342)); |
---|
4329 | menu.Bind(wxEVT_COMMAND_MENU_SELECTED, |
---|
4330 | [&](wxEvent& e) { |
---|
4331 | m_Parent->GetEventHandler()->ProcessEvent(e); |
---|
4332 | }); |
---|
4333 | PopupMenu(&menu); |
---|
4334 | return true; |
---|
4335 | } |
---|
4336 | |
---|
4337 | if (PointWithinColourKey(point)) { |
---|
4338 | // Pop up menu. |
---|
4339 | wxMenu menu; |
---|
4340 | menu.AppendCheckItem(menu_COLOUR_BY_DEPTH, wmsg(/*Colour by &Depth*/292)); |
---|
4341 | menu.AppendCheckItem(menu_COLOUR_BY_DATE, wmsg(/*Colour by D&ate*/293)); |
---|
4342 | menu.AppendCheckItem(menu_COLOUR_BY_ERROR, wmsg(/*Colour by &Error*/289)); |
---|
4343 | menu.AppendCheckItem(menu_COLOUR_BY_H_ERROR, wmsg(/*Colour by &Horizontal Error*/480)); |
---|
4344 | menu.AppendCheckItem(menu_COLOUR_BY_V_ERROR, wmsg(/*Colour by &Vertical Error*/481)); |
---|
4345 | menu.AppendCheckItem(menu_COLOUR_BY_GRADIENT, wmsg(/*Colour by &Gradient*/85)); |
---|
4346 | menu.AppendCheckItem(menu_COLOUR_BY_LENGTH, wmsg(/*Colour by &Length*/82)); |
---|
4347 | menu.AppendCheckItem(menu_COLOUR_BY_SURVEY, wmsg(/*Colour by &Survey*/448)); |
---|
4348 | menu.AppendSeparator(); |
---|
4349 | /* TRANSLATORS: Menu item which turns off the colour key. |
---|
4350 | * The "Colour Key" is the thing in aven showing which colour |
---|
4351 | * corresponds to which depth, date, survey closure error, etc. */ |
---|
4352 | menu.AppendCheckItem(menu_IND_COLOUR_KEY, wmsg(/*&Hide colour key*/386)); |
---|
4353 | if (m_ColourBy == COLOUR_BY_DEPTH || m_ColourBy == COLOUR_BY_LENGTH) |
---|
4354 | menu.AppendCheckItem(menu_CTL_METRIC, wmsg(/*&Metric*/342)); |
---|
4355 | else if (m_ColourBy == COLOUR_BY_GRADIENT) |
---|
4356 | menu.AppendCheckItem(menu_CTL_DEGREES, wmsg(/*&Degrees*/343)); |
---|
4357 | menu.Bind(wxEVT_COMMAND_MENU_SELECTED, |
---|
4358 | [&](wxEvent& e) { |
---|
4359 | m_Parent->GetEventHandler()->ProcessEvent(e); |
---|
4360 | }); |
---|
4361 | PopupMenu(&menu); |
---|
4362 | return true; |
---|
4363 | } |
---|
4364 | |
---|
4365 | return false; |
---|
4366 | } |
---|
4367 | |
---|
4368 | void GfxCore::SetZoomBox(wxPoint p1, wxPoint p2, bool centred, bool aspect) |
---|
4369 | { |
---|
4370 | if (centred) { |
---|
4371 | p1.x = p2.x + (p1.x - p2.x) * 2; |
---|
4372 | p1.y = p2.y + (p1.y - p2.y) * 2; |
---|
4373 | } |
---|
4374 | if (aspect) { |
---|
4375 | #if 0 // FIXME: This needs more work. |
---|
4376 | int sx = GetXSize(); |
---|
4377 | int sy = GetYSize(); |
---|
4378 | int dx = p1.x - p2.x; |
---|
4379 | int dy = p1.y - p2.y; |
---|
4380 | int dy_new = dx * sy / sx; |
---|
4381 | if (abs(dy_new) >= abs(dy)) { |
---|
4382 | p1.y += (dy_new - dy) / 2; |
---|
4383 | p2.y -= (dy_new - dy) / 2; |
---|
4384 | } else { |
---|
4385 | int dx_new = dy * sx / sy; |
---|
4386 | p1.x += (dx_new - dx) / 2; |
---|
4387 | p2.x -= (dx_new - dx) / 2; |
---|
4388 | } |
---|
4389 | #endif |
---|
4390 | } |
---|
4391 | zoombox.set(p1, p2); |
---|
4392 | ForceRefresh(); |
---|
4393 | } |
---|
4394 | |
---|
4395 | void GfxCore::ZoomBoxGo() |
---|
4396 | { |
---|
4397 | if (!zoombox.active()) return; |
---|
4398 | |
---|
4399 | int width = GetXSize(); |
---|
4400 | int height = GetYSize(); |
---|
4401 | |
---|
4402 | TranslateCave(-0.5 * (zoombox.x1 + zoombox.x2 - width), |
---|
4403 | -0.5 * (zoombox.y1 + zoombox.y2 - height)); |
---|
4404 | int box_w = abs(zoombox.x1 - zoombox.x2); |
---|
4405 | int box_h = abs(zoombox.y1 - zoombox.y2); |
---|
4406 | |
---|
4407 | double factor = min(double(width) / box_w, double(height) / box_h); |
---|
4408 | |
---|
4409 | zoombox.unset(); |
---|
4410 | |
---|
4411 | SetScale(GetScale() * factor); |
---|
4412 | } |
---|