[7bb8184] | 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 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 "date.h" |
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| 34 | #include "gfxcore.h" |
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| 35 | #include "mainfrm.h" |
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| 36 | #include "message.h" |
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| 37 | #include "useful.h" |
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| 38 | #include "printwx.h" |
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| 39 | #include "guicontrol.h" |
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| 40 | #include "moviemaker.h" |
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| 41 | |
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| 42 | #include <wx/confbase.h> |
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| 43 | #include <wx/image.h> |
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| 44 | |
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| 45 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) |
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| 46 | #define MAX3(a, b, c) ((a) > (b) ? MAX(a, c) : MAX(b, c)) |
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| 47 | |
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| 48 | // Values for m_SwitchingTo |
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| 49 | #define PLAN 1 |
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| 50 | #define ELEVATION 2 |
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| 51 | #define NORTH 3 |
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| 52 | #define EAST 4 |
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| 53 | #define SOUTH 5 |
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| 54 | #define WEST 6 |
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| 55 | |
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| 56 | // Any error value higher than this is clamped to this. |
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| 57 | #define MAX_ERROR 12.0 |
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| 58 | |
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| 59 | // How many bins per letter height to use when working out non-overlapping |
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| 60 | // labels. |
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| 61 | const unsigned int QUANTISE_FACTOR = 2; |
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| 62 | |
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| 63 | const int NUM_DEPTH_COLOURS = 13; |
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| 64 | |
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| 65 | #include "avenpal.h" |
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| 66 | |
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| 67 | static const int COMPASS_OFFSET_X = 60; |
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| 68 | static const int COMPASS_OFFSET_Y = 80; |
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| 69 | static const int INDICATOR_BOX_SIZE = 60; |
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| 70 | static const int INDICATOR_GAP = 2; |
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| 71 | static const int INDICATOR_MARGIN = 5; |
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| 72 | static const int INDICATOR_OFFSET_X = 15; |
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| 73 | static const int INDICATOR_OFFSET_Y = 15; |
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| 74 | static const int INDICATOR_RADIUS = INDICATOR_BOX_SIZE / 2 - INDICATOR_MARGIN; |
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| 75 | static const int CLINO_OFFSET_X = 6 + INDICATOR_OFFSET_X + |
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| 76 | INDICATOR_BOX_SIZE + INDICATOR_GAP; |
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| 77 | static const int DEPTH_BAR_OFFSET_X = 16; |
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| 78 | static const int DEPTH_BAR_EXTRA_LEFT_MARGIN = 2; |
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| 79 | static const int DEPTH_BAR_BLOCK_WIDTH = 20; |
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| 80 | static const int DEPTH_BAR_BLOCK_HEIGHT = 15; |
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| 81 | static const int DEPTH_BAR_MARGIN = 6; |
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| 82 | static const int DEPTH_BAR_OFFSET_Y = 16 + DEPTH_BAR_MARGIN; |
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| 83 | static const int TICK_LENGTH = 4; |
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| 84 | static const int SCALE_BAR_OFFSET_X = 15; |
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| 85 | static const int SCALE_BAR_OFFSET_Y = 12; |
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| 86 | static const int SCALE_BAR_HEIGHT = 12; |
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| 87 | |
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| 88 | static const gla_colour TEXT_COLOUR = col_GREEN; |
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| 89 | static const gla_colour HERE_COLOUR = col_WHITE; |
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| 90 | static const gla_colour NAME_COLOUR = col_GREEN; |
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| 91 | |
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| 92 | #define HITTEST_SIZE 20 |
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| 93 | |
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| 94 | // vector for lighting angle |
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| 95 | static const Vector3 light(.577, .577, .577); |
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| 96 | |
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| 97 | BEGIN_EVENT_TABLE(GfxCore, wxGLCanvas) |
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| 98 | EVT_PAINT(GfxCore::OnPaint) |
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| 99 | EVT_LEFT_DOWN(GfxCore::OnLButtonDown) |
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| 100 | EVT_LEFT_UP(GfxCore::OnLButtonUp) |
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| 101 | EVT_MIDDLE_DOWN(GfxCore::OnMButtonDown) |
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| 102 | EVT_MIDDLE_UP(GfxCore::OnMButtonUp) |
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| 103 | EVT_RIGHT_DOWN(GfxCore::OnRButtonDown) |
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| 104 | EVT_RIGHT_UP(GfxCore::OnRButtonUp) |
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| 105 | EVT_MOUSEWHEEL(GfxCore::OnMouseWheel) |
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| 106 | EVT_MOTION(GfxCore::OnMouseMove) |
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| 107 | EVT_LEAVE_WINDOW(GfxCore::OnLeaveWindow) |
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| 108 | EVT_SIZE(GfxCore::OnSize) |
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| 109 | EVT_IDLE(GfxCore::OnIdle) |
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| 110 | EVT_CHAR(GfxCore::OnKeyPress) |
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| 111 | END_EVENT_TABLE() |
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| 112 | |
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| 113 | GfxCore::GfxCore(MainFrm* parent, wxWindow* parent_win, GUIControl* control) : |
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| 114 | GLACanvas(parent_win, 100), |
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| 115 | m_Scale(0.0), |
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| 116 | m_ScaleBarWidth(0), |
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| 117 | m_Control(control), |
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| 118 | m_LabelGrid(NULL), |
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| 119 | m_Parent(parent), |
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| 120 | m_DoneFirstShow(false), |
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| 121 | m_TiltAngle(0.0), |
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| 122 | m_PanAngle(0.0), |
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| 123 | m_Rotating(false), |
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| 124 | m_RotationStep(0.0), |
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| 125 | m_SwitchingTo(0), |
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| 126 | m_Crosses(false), |
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| 127 | m_Legs(true), |
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| 128 | m_Names(false), |
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| 129 | m_Scalebar(true), |
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| 130 | m_Depthbar(true), |
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| 131 | m_OverlappingNames(false), |
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| 132 | m_Compass(true), |
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| 133 | m_Clino(true), |
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| 134 | m_Tubes(false), |
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| 135 | m_XSize(0), |
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| 136 | m_YSize(0), |
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| 137 | m_ColourBy(COLOUR_BY_DEPTH), |
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| 138 | m_HaveData(false), |
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| 139 | m_MouseOutsideCompass(false), |
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| 140 | m_MouseOutsideElev(false), |
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| 141 | m_Surface(false), |
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| 142 | m_Entrances(false), |
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| 143 | m_FixedPts(false), |
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| 144 | m_ExportedPts(false), |
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| 145 | m_Grid(false), |
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| 146 | m_BoundingBox(false), |
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| 147 | m_Degrees(false), |
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| 148 | m_Metric(false), |
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| 149 | m_HitTestGridValid(false), |
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| 150 | m_here_is_temporary(false), |
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| 151 | presentation_mode(0), |
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| 152 | pres_reverse(false), |
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| 153 | pres_speed(0.0), |
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| 154 | movie(NULL), |
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| 155 | current_cursor(GfxCore::CURSOR_DEFAULT) |
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| 156 | { |
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| 157 | AddQuad = &GfxCore::AddQuadrilateralDepth; |
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| 158 | AddPoly = &GfxCore::AddPolylineDepth; |
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| 159 | wxConfigBase::Get()->Read(wxT("metric"), &m_Metric, true); |
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| 160 | wxConfigBase::Get()->Read(wxT("degrees"), &m_Degrees, true); |
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| 161 | m_here.Invalidate(); |
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| 162 | m_there.Invalidate(); |
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| 163 | |
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| 164 | // Initialise grid for hit testing. |
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| 165 | m_PointGrid = new list<LabelInfo*>[HITTEST_SIZE * HITTEST_SIZE]; |
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| 166 | |
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| 167 | m_Pens = new GLAPen[NUM_DEPTH_COLOURS + 1]; |
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| 168 | for (int pen = 0; pen < NUM_DEPTH_COLOURS + 1; ++pen) { |
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| 169 | m_Pens[pen].SetColour(REDS[pen] / 255.0, |
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| 170 | GREENS[pen] / 255.0, |
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| 171 | BLUES[pen] / 255.0); |
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| 172 | } |
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| 173 | } |
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| 174 | |
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| 175 | GfxCore::~GfxCore() |
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| 176 | { |
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| 177 | TryToFreeArrays(); |
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| 178 | |
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| 179 | delete[] m_Pens; |
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| 180 | delete[] m_PointGrid; |
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| 181 | } |
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| 182 | |
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| 183 | void GfxCore::TryToFreeArrays() |
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| 184 | { |
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| 185 | // Free up any memory allocated for arrays. |
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| 186 | |
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| 187 | if (m_LabelGrid) { |
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| 188 | delete[] m_LabelGrid; |
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| 189 | m_LabelGrid = NULL; |
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| 190 | } |
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| 191 | } |
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| 192 | |
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| 193 | // |
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| 194 | // Initialisation methods |
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| 195 | // |
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| 196 | |
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| 197 | void GfxCore::Initialise(bool same_file) |
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| 198 | { |
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| 199 | // Initialise the view from the parent holding the survey data. |
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| 200 | |
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| 201 | TryToFreeArrays(); |
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| 202 | |
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| 203 | m_DoneFirstShow = false; |
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| 204 | |
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| 205 | m_HitTestGridValid = false; |
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| 206 | m_here_is_temporary = true; |
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| 207 | m_here.Invalidate(); |
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| 208 | m_there.Invalidate(); |
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| 209 | |
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| 210 | m_MouseOutsideCompass = m_MouseOutsideElev = false; |
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| 211 | |
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| 212 | if (!same_file) { |
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| 213 | // Apply default parameters unless reloading the same file. |
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| 214 | DefaultParameters(); |
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| 215 | |
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| 216 | // Set the initial scale. |
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| 217 | SetScale(1.0); |
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| 218 | } |
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| 219 | |
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| 220 | switch (m_ColourBy) { |
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| 221 | case COLOUR_BY_DEPTH: |
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| 222 | if (m_Parent->GetDepthExtent() == 0.0) { |
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| 223 | SetColourBy(COLOUR_BY_NONE); |
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| 224 | } |
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| 225 | break; |
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| 226 | case COLOUR_BY_DATE: |
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| 227 | if (m_Parent->GetDateExtent() == 0) { |
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| 228 | SetColourBy(COLOUR_BY_NONE); |
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| 229 | } |
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| 230 | break; |
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| 231 | case COLOUR_BY_ERROR: |
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| 232 | if (!m_Parent->HasErrorInformation()) { |
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| 233 | SetColourBy(COLOUR_BY_NONE); |
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| 234 | } |
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| 235 | break; |
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| 236 | } |
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| 237 | |
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| 238 | m_HaveData = true; |
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| 239 | |
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| 240 | ForceRefresh(); |
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| 241 | } |
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| 242 | |
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| 243 | void GfxCore::FirstShow() |
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| 244 | { |
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| 245 | GLACanvas::FirstShow(); |
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| 246 | |
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| 247 | const unsigned int quantise(GetFontSize() / QUANTISE_FACTOR); |
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| 248 | list<LabelInfo*>::iterator pos = m_Parent->GetLabelsNC(); |
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| 249 | while (pos != m_Parent->GetLabelsNCEnd()) { |
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| 250 | LabelInfo* label = *pos++; |
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| 251 | // Calculate and set the label width for use when plotting |
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| 252 | // none-overlapping labels. |
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| 253 | int ext_x; |
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| 254 | GLACanvas::GetTextExtent(label->GetText(), &ext_x, NULL); |
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| 255 | label->set_width(unsigned(ext_x) / quantise + 1); |
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| 256 | } |
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| 257 | |
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| 258 | SetBackgroundColour(0.0, 0.0, 0.0); |
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| 259 | |
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| 260 | // Set diameter of the viewing volume. |
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| 261 | SetVolumeDiameter(sqrt(sqrd(m_Parent->GetXExtent()) + |
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| 262 | sqrd(m_Parent->GetYExtent()) + |
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| 263 | sqrd(m_Parent->GetZExtent()))); |
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| 264 | |
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| 265 | // Update our record of the client area size and centre. |
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| 266 | GetClientSize(&m_XSize, &m_YSize); |
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| 267 | |
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| 268 | m_DoneFirstShow = true; |
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| 269 | } |
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| 270 | |
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| 271 | // |
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| 272 | // Recalculating methods |
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| 273 | // |
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| 274 | |
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| 275 | void GfxCore::SetScale(Double scale) |
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| 276 | { |
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| 277 | // Fill the plot data arrays with screen coordinates, scaling the survey |
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| 278 | // to a particular absolute scale. |
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| 279 | |
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| 280 | if (scale < 0.05) { |
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| 281 | scale = 0.05; |
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| 282 | } else { |
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| 283 | if (scale > 1000.0) scale = 1000.0; |
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| 284 | } |
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| 285 | |
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| 286 | m_Scale = scale; |
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| 287 | m_HitTestGridValid = false; |
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| 288 | if (m_here_is_temporary) SetHere(); |
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| 289 | |
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| 290 | GLACanvas::SetScale(scale); |
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| 291 | } |
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| 292 | |
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| 293 | bool GfxCore::HasUndergroundLegs() const |
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| 294 | { |
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| 295 | return m_Parent->HasUndergroundLegs(); |
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| 296 | } |
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| 297 | |
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| 298 | bool GfxCore::HasSurfaceLegs() const |
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| 299 | { |
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| 300 | return m_Parent->HasSurfaceLegs(); |
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| 301 | } |
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| 302 | |
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| 303 | bool GfxCore::HasTubes() const |
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| 304 | { |
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| 305 | return m_Parent->HasTubes(); |
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| 306 | } |
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| 307 | |
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| 308 | void GfxCore::UpdateBlobs() |
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| 309 | { |
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| 310 | InvalidateList(LIST_BLOBS); |
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| 311 | } |
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| 312 | |
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| 313 | // |
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| 314 | // Event handlers |
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| 315 | // |
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| 316 | |
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| 317 | void GfxCore::OnLeaveWindow(wxMouseEvent& event) { |
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| 318 | SetHere(); |
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| 319 | ClearCoords(); |
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| 320 | } |
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| 321 | |
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| 322 | void GfxCore::OnIdle(wxIdleEvent& event) |
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| 323 | { |
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| 324 | // Handle an idle event. |
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| 325 | if (Animate()) { |
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| 326 | ForceRefresh(); |
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| 327 | event.RequestMore(); |
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| 328 | } |
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| 329 | } |
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| 330 | |
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| 331 | void GfxCore::OnPaint(wxPaintEvent&) |
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| 332 | { |
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| 333 | // Redraw the window. |
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| 334 | |
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| 335 | // Get a graphics context. |
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| 336 | wxPaintDC dc(this); |
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| 337 | |
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| 338 | assert(GetContext()); |
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| 339 | |
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| 340 | if (m_HaveData) { |
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| 341 | // Make sure we're initialised. |
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| 342 | bool first_time = !m_DoneFirstShow; |
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| 343 | if (first_time) { |
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| 344 | FirstShow(); |
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| 345 | } |
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| 346 | |
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| 347 | StartDrawing(); |
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| 348 | |
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| 349 | // Clear the background. |
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| 350 | Clear(); |
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| 351 | |
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| 352 | // Set up model transformation matrix. |
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| 353 | SetDataTransform(); |
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| 354 | |
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| 355 | timer.Start(); // reset timer |
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| 356 | |
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| 357 | if (m_Legs || m_Tubes) { |
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| 358 | if (m_Tubes) { |
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| 359 | EnableSmoothPolygons(true); // FIXME: allow false for wireframe view |
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| 360 | DrawList(LIST_TUBES); |
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| 361 | DisableSmoothPolygons(); |
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| 362 | } |
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| 363 | |
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| 364 | // Draw the underground legs. Do this last so that anti-aliasing |
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| 365 | // works over polygons. |
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| 366 | SetColour(col_GREEN); |
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| 367 | DrawList(LIST_UNDERGROUND_LEGS); |
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| 368 | } |
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| 369 | |
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| 370 | if (m_Surface) { |
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| 371 | // Draw the surface legs. |
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| 372 | DrawList(LIST_SURFACE_LEGS); |
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| 373 | } |
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| 374 | |
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| 375 | DrawList(LIST_BLOBS); |
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| 376 | |
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| 377 | if (m_BoundingBox) { |
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| 378 | DrawShadowedBoundingBox(); |
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| 379 | } |
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| 380 | if (m_Grid) { |
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| 381 | // Draw the grid. |
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| 382 | DrawList(LIST_GRID); |
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| 383 | } |
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| 384 | |
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| 385 | if (m_Crosses) { |
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| 386 | DrawList(LIST_CROSSES); |
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| 387 | } |
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| 388 | |
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| 389 | SetIndicatorTransform(); |
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| 390 | |
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| 391 | // Draw station names. |
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| 392 | if (m_Names /*&& !m_Control->MouseDown() && !Animating()*/) { |
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| 393 | SetColour(NAME_COLOUR); |
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| 394 | |
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| 395 | if (m_OverlappingNames) { |
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| 396 | SimpleDrawNames(); |
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| 397 | } else { |
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| 398 | NattyDrawNames(); |
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| 399 | } |
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| 400 | } |
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| 401 | |
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| 402 | if (MeasuringLineActive()) { |
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| 403 | // Draw "here" and "there". |
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| 404 | double hx, hy; |
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| 405 | SetColour(HERE_COLOUR); |
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| 406 | if (m_here.IsValid()) { |
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| 407 | double dummy; |
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| 408 | Transform(m_here, &hx, &hy, &dummy); |
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| 409 | if (!m_here_is_temporary) DrawRing(hx, hy); |
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| 410 | } |
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| 411 | if (m_there.IsValid()) { |
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| 412 | double tx, ty; |
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| 413 | double dummy; |
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| 414 | Transform(m_there, &tx, &ty, &dummy); |
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| 415 | if (m_here.IsValid()) { |
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| 416 | BeginLines(); |
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| 417 | PlaceIndicatorVertex(hx, hy); |
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| 418 | PlaceIndicatorVertex(tx, ty); |
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| 419 | EndLines(); |
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| 420 | } |
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| 421 | BeginBlobs(); |
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| 422 | DrawBlob(tx, ty); |
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| 423 | EndBlobs(); |
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| 424 | } |
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| 425 | } |
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| 426 | |
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| 427 | // Draw indicators. |
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| 428 | // |
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| 429 | // There's no advantage in generating an OpenGL list for the |
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| 430 | // indicators since they change with almost every redraw (and |
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| 431 | // sometimes several times between redraws). This way we avoid |
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| 432 | // the need to track when to update the indicator OpenGL list, |
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| 433 | // and also avoid indicator update bugs when we don't quite get this |
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| 434 | // right... |
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| 435 | DrawIndicators(); |
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| 436 | |
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| 437 | FinishDrawing(); |
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| 438 | |
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| 439 | drawtime = timer.Time(); |
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| 440 | } else { |
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| 441 | dc.SetBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWFRAME)); |
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| 442 | dc.Clear(); |
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| 443 | } |
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| 444 | } |
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| 445 | |
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| 446 | void GfxCore::DrawBoundingBox() |
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| 447 | { |
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| 448 | const Vector3 v = 0.5 * m_Parent->GetExtent(); |
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| 449 | |
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| 450 | SetColour(col_BLUE); |
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| 451 | EnableDashedLines(); |
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| 452 | BeginPolyline(); |
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| 453 | PlaceVertex(-v.GetX(), -v.GetY(), v.GetZ()); |
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| 454 | PlaceVertex(-v.GetX(), v.GetY(), v.GetZ()); |
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| 455 | PlaceVertex(v.GetX(), v.GetY(), v.GetZ()); |
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| 456 | PlaceVertex(v.GetX(), -v.GetY(), v.GetZ()); |
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| 457 | PlaceVertex(-v.GetX(), -v.GetY(), v.GetZ()); |
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| 458 | EndPolyline(); |
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| 459 | BeginPolyline(); |
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| 460 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
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| 461 | PlaceVertex(-v.GetX(), v.GetY(), -v.GetZ()); |
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| 462 | PlaceVertex(v.GetX(), v.GetY(), -v.GetZ()); |
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| 463 | PlaceVertex(v.GetX(), -v.GetY(), -v.GetZ()); |
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| 464 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
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| 465 | EndPolyline(); |
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| 466 | BeginLines(); |
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| 467 | PlaceVertex(-v.GetX(), -v.GetY(), v.GetZ()); |
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| 468 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
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| 469 | PlaceVertex(-v.GetX(), v.GetY(), v.GetZ()); |
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| 470 | PlaceVertex(-v.GetX(), v.GetY(), -v.GetZ()); |
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| 471 | PlaceVertex(v.GetX(), v.GetY(), v.GetZ()); |
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| 472 | PlaceVertex(v.GetX(), v.GetY(), -v.GetZ()); |
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| 473 | PlaceVertex(v.GetX(), -v.GetY(), v.GetZ()); |
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| 474 | PlaceVertex(v.GetX(), -v.GetY(), -v.GetZ()); |
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| 475 | EndLines(); |
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| 476 | DisableDashedLines(); |
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| 477 | } |
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| 478 | |
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| 479 | void GfxCore::DrawShadowedBoundingBox() |
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| 480 | { |
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| 481 | const Vector3 v = 0.5 * m_Parent->GetExtent(); |
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| 482 | |
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| 483 | DrawBoundingBox(); |
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| 484 | |
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| 485 | // FIXME: these gl* calls should be in gla-gl.cc |
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| 486 | glPolygonOffset(1.0, 1.0); |
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| 487 | glEnable(GL_POLYGON_OFFSET_FILL); |
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| 488 | |
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| 489 | SetColour(col_DARK_GREY); |
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| 490 | BeginQuadrilaterals(); |
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| 491 | PlaceVertex(-v.GetX(), -v.GetY(), -v.GetZ()); |
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| 492 | PlaceVertex(-v.GetX(), v.GetY(), -v.GetZ()); |
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| 493 | PlaceVertex(v.GetX(), v.GetY(), -v.GetZ()); |
---|
| 494 | PlaceVertex(v.GetX(), -v.GetY(), -v.GetZ()); |
---|
| 495 | EndQuadrilaterals(); |
---|
| 496 | |
---|
| 497 | glDisable(GL_POLYGON_OFFSET_FILL); |
---|
| 498 | |
---|
| 499 | DrawList(LIST_SHADOW); |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | void GfxCore::DrawGrid() |
---|
| 503 | { |
---|
| 504 | // Draw the grid. |
---|
| 505 | SetColour(col_RED); |
---|
| 506 | |
---|
| 507 | // Calculate the extent of the survey, in metres across the screen plane. |
---|
| 508 | Double m_across_screen = SurveyUnitsAcrossViewport(); |
---|
| 509 | // Calculate the length of the scale bar in metres. |
---|
| 510 | //--move this elsewhere |
---|
| 511 | Double size_snap = pow(10.0, floor(log10(0.75 * m_across_screen))); |
---|
| 512 | Double t = m_across_screen * 0.75 / size_snap; |
---|
| 513 | if (t >= 5.0) { |
---|
| 514 | size_snap *= 5.0; |
---|
| 515 | } |
---|
| 516 | else if (t >= 2.0) { |
---|
| 517 | size_snap *= 2.0; |
---|
| 518 | } |
---|
| 519 | |
---|
| 520 | Double grid_size = size_snap * 0.1; |
---|
| 521 | Double edge = grid_size * 2.0; |
---|
| 522 | Double grid_z = -m_Parent->GetZExtent() * 0.5 - grid_size; |
---|
| 523 | Double left = -m_Parent->GetXExtent() * 0.5 - edge; |
---|
| 524 | Double right = m_Parent->GetXExtent() * 0.5 + edge; |
---|
| 525 | Double bottom = -m_Parent->GetYExtent() * 0.5 - edge; |
---|
| 526 | Double top = m_Parent->GetYExtent() * 0.5 + edge; |
---|
| 527 | int count_x = (int) ceil((right - left) / grid_size); |
---|
| 528 | int count_y = (int) ceil((top - bottom) / grid_size); |
---|
| 529 | Double actual_right = left + count_x*grid_size; |
---|
| 530 | Double actual_top = bottom + count_y*grid_size; |
---|
| 531 | |
---|
| 532 | BeginLines(); |
---|
| 533 | |
---|
| 534 | for (int xc = 0; xc <= count_x; xc++) { |
---|
| 535 | Double x = left + xc*grid_size; |
---|
| 536 | |
---|
| 537 | PlaceVertex(x, bottom, grid_z); |
---|
| 538 | PlaceVertex(x, actual_top, grid_z); |
---|
| 539 | } |
---|
| 540 | |
---|
| 541 | for (int yc = 0; yc <= count_y; yc++) { |
---|
| 542 | Double y = bottom + yc*grid_size; |
---|
| 543 | PlaceVertex(left, y, grid_z); |
---|
| 544 | PlaceVertex(actual_right, y, grid_z); |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | EndLines(); |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | int GfxCore::GetClinoOffset() const |
---|
| 551 | { |
---|
| 552 | return m_Compass ? CLINO_OFFSET_X : INDICATOR_OFFSET_X; |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | void GfxCore::DrawTick(int angle_cw) |
---|
| 556 | { |
---|
| 557 | const Double theta = rad(angle_cw); |
---|
| 558 | const wxCoord length1 = INDICATOR_RADIUS; |
---|
| 559 | const wxCoord length0 = length1 + TICK_LENGTH; |
---|
| 560 | wxCoord x0 = wxCoord(length0 * sin(theta)); |
---|
| 561 | wxCoord y0 = wxCoord(length0 * cos(theta)); |
---|
| 562 | wxCoord x1 = wxCoord(length1 * sin(theta)); |
---|
| 563 | wxCoord y1 = wxCoord(length1 * cos(theta)); |
---|
| 564 | |
---|
| 565 | PlaceIndicatorVertex(x0, y0); |
---|
| 566 | PlaceIndicatorVertex(x1, y1); |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | void GfxCore::DrawArrow(gla_colour col1, gla_colour col2) { |
---|
| 570 | Vector3 p1(0, INDICATOR_RADIUS, 0); |
---|
| 571 | Vector3 p2(INDICATOR_RADIUS/2, INDICATOR_RADIUS*-.866025404, 0); // 150deg |
---|
| 572 | Vector3 p3(-INDICATOR_RADIUS/2, INDICATOR_RADIUS*-.866025404, 0); // 210deg |
---|
| 573 | Vector3 pc(0, 0, 0); |
---|
| 574 | |
---|
| 575 | DrawTriangle(col_LIGHT_GREY, col1, p2, p1, pc); |
---|
| 576 | DrawTriangle(col_LIGHT_GREY, col2, p3, p1, pc); |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | void GfxCore::DrawCompass() { |
---|
| 580 | // Ticks. |
---|
| 581 | BeginLines(); |
---|
| 582 | for (int angle = 315; angle > 0; angle -= 45) { |
---|
| 583 | DrawTick(angle); |
---|
| 584 | } |
---|
| 585 | SetColour(col_GREEN); |
---|
| 586 | DrawTick(0); |
---|
| 587 | EndLines(); |
---|
| 588 | |
---|
| 589 | // Compass background. |
---|
| 590 | DrawCircle(col_LIGHT_GREY_2, col_GREY, 0, 0, INDICATOR_RADIUS); |
---|
| 591 | |
---|
| 592 | // Compass arrow. |
---|
| 593 | DrawArrow(col_INDICATOR_1, col_INDICATOR_2); |
---|
| 594 | } |
---|
| 595 | |
---|
| 596 | // Draw the non-rotating background to the clino. |
---|
| 597 | void GfxCore::DrawClinoBack() { |
---|
| 598 | BeginLines(); |
---|
| 599 | for (int angle = 0; angle <= 180; angle += 90) { |
---|
| 600 | DrawTick(angle); |
---|
| 601 | } |
---|
| 602 | |
---|
| 603 | SetColour(col_GREY); |
---|
| 604 | PlaceIndicatorVertex(0, INDICATOR_RADIUS); |
---|
| 605 | PlaceIndicatorVertex(0, -INDICATOR_RADIUS); |
---|
| 606 | PlaceIndicatorVertex(0, 0); |
---|
| 607 | PlaceIndicatorVertex(INDICATOR_RADIUS, 0); |
---|
| 608 | |
---|
| 609 | EndLines(); |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | void GfxCore::DrawClino() { |
---|
| 613 | // Ticks. |
---|
| 614 | SetColour(col_GREEN); |
---|
| 615 | BeginLines(); |
---|
| 616 | DrawTick(0); |
---|
| 617 | EndLines(); |
---|
| 618 | |
---|
| 619 | // Clino background. |
---|
| 620 | DrawSemicircle(col_LIGHT_GREY_2, col_GREY, 0, 0, INDICATOR_RADIUS, 0); |
---|
| 621 | |
---|
| 622 | // Elevation arrow. |
---|
| 623 | DrawArrow(col_INDICATOR_2, col_INDICATOR_1); |
---|
| 624 | } |
---|
| 625 | |
---|
| 626 | void GfxCore::Draw2dIndicators() |
---|
| 627 | { |
---|
| 628 | // Draw the compass and elevation indicators. |
---|
| 629 | |
---|
| 630 | const int centre_y = INDICATOR_BOX_SIZE / 2 + INDICATOR_OFFSET_Y; |
---|
| 631 | |
---|
| 632 | const int comp_centre_x = GetCompassXPosition(); |
---|
| 633 | |
---|
| 634 | if (m_Compass && !m_Parent->IsExtendedElevation()) { |
---|
| 635 | // If the user is dragging the compass with the pointer outside the |
---|
| 636 | // compass, we snap to 45 degree multiples, and the ticks go white. |
---|
| 637 | SetColour(m_MouseOutsideCompass ? col_WHITE : col_LIGHT_GREY_2); |
---|
| 638 | DrawList2D(LIST_COMPASS, comp_centre_x, centre_y, -m_PanAngle); |
---|
| 639 | } |
---|
| 640 | |
---|
| 641 | const int elev_centre_x = GetClinoXPosition(); |
---|
| 642 | |
---|
| 643 | if (m_Clino) { |
---|
| 644 | // If the user is dragging the clino with the pointer outside the |
---|
| 645 | // clino, we snap to 90 degree multiples, and the ticks go white. |
---|
| 646 | SetColour(m_MouseOutsideElev ? col_WHITE : col_LIGHT_GREY_2); |
---|
| 647 | DrawList2D(LIST_CLINO_BACK, elev_centre_x, centre_y, 0); |
---|
| 648 | DrawList2D(LIST_CLINO, elev_centre_x, centre_y, 90 + m_TiltAngle); |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | SetColour(TEXT_COLOUR); |
---|
| 652 | |
---|
| 653 | static int triple_zero_width = 0; |
---|
| 654 | static int height = 0; |
---|
| 655 | if (!triple_zero_width) { |
---|
| 656 | GetTextExtent(wxT("000"), &triple_zero_width, &height); |
---|
| 657 | } |
---|
| 658 | const int y_off = INDICATOR_OFFSET_Y + INDICATOR_BOX_SIZE + height / 2; |
---|
| 659 | |
---|
| 660 | if (m_Compass && !m_Parent->IsExtendedElevation()) { |
---|
| 661 | wxString str; |
---|
| 662 | int value; |
---|
| 663 | if (m_Degrees) { |
---|
| 664 | value = int(m_PanAngle); |
---|
| 665 | } else { |
---|
| 666 | value = int(m_PanAngle * 200.0 / 180.0); |
---|
| 667 | } |
---|
| 668 | str.Printf(wxT("%03d"), value); |
---|
| 669 | DrawIndicatorText(comp_centre_x - triple_zero_width / 2, y_off, str); |
---|
| 670 | |
---|
| 671 | str = wmsg(/*Facing*/203); |
---|
| 672 | int w; |
---|
| 673 | GetTextExtent(str, &w, NULL); |
---|
| 674 | DrawIndicatorText(comp_centre_x - w / 2, y_off + height, str); |
---|
| 675 | } |
---|
| 676 | |
---|
| 677 | if (m_Clino) { |
---|
| 678 | int angle; |
---|
| 679 | wxString str; |
---|
| 680 | int width; |
---|
| 681 | if (m_Degrees) { |
---|
| 682 | static int zero_zero_width = 0; |
---|
| 683 | if (!zero_zero_width) { |
---|
| 684 | GetTextExtent(wxT("00"), &zero_zero_width, NULL); |
---|
| 685 | } |
---|
| 686 | width = zero_zero_width; |
---|
| 687 | angle = int(-m_TiltAngle); |
---|
| 688 | str = angle ? wxString::Format(wxT("%+03d"), angle) : wxT("00"); |
---|
| 689 | } else { |
---|
| 690 | width = triple_zero_width; |
---|
| 691 | angle = int(-m_TiltAngle * 200.0 / 180.0); |
---|
| 692 | str = angle ? wxString::Format(wxT("%+04d"), angle) : wxT("000"); |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | // Adjust horizontal position so the left of the first digit is |
---|
| 696 | // always in the same place. |
---|
| 697 | int sign_offset = 0; |
---|
| 698 | if (angle < 0) { |
---|
| 699 | static int minus_width = 0; |
---|
| 700 | if (!minus_width) { |
---|
| 701 | GetTextExtent(wxT("-"), &minus_width, NULL); |
---|
| 702 | } |
---|
| 703 | sign_offset = minus_width + 1; |
---|
| 704 | } else if (angle > 0) { |
---|
| 705 | static int plus_width = 0; |
---|
| 706 | if (!plus_width) { |
---|
| 707 | GetTextExtent(wxT("+"), &plus_width, NULL); |
---|
| 708 | } |
---|
| 709 | sign_offset = plus_width + 1; |
---|
| 710 | } |
---|
| 711 | DrawIndicatorText(elev_centre_x - sign_offset - width / 2, y_off, str); |
---|
| 712 | |
---|
| 713 | str = wmsg(/*Elevation*/118); |
---|
| 714 | int w; |
---|
| 715 | GetTextExtent(str, &w, NULL); |
---|
| 716 | DrawIndicatorText(elev_centre_x - w / 2, y_off + height, str); |
---|
| 717 | } |
---|
| 718 | } |
---|
| 719 | |
---|
| 720 | void GfxCore::NattyDrawNames() |
---|
| 721 | { |
---|
| 722 | // Draw station names, without overlapping. |
---|
| 723 | |
---|
| 724 | const unsigned int quantise(GetFontSize() / QUANTISE_FACTOR); |
---|
| 725 | const unsigned int quantised_x = m_XSize / quantise; |
---|
| 726 | const unsigned int quantised_y = m_YSize / quantise; |
---|
| 727 | const size_t buffer_size = quantised_x * quantised_y; |
---|
| 728 | |
---|
| 729 | if (!m_LabelGrid) m_LabelGrid = new char[buffer_size]; |
---|
| 730 | |
---|
| 731 | memset((void*) m_LabelGrid, 0, buffer_size); |
---|
| 732 | |
---|
| 733 | list<LabelInfo*>::const_iterator label = m_Parent->GetLabels(); |
---|
| 734 | for ( ; label != m_Parent->GetLabelsEnd(); ++label) { |
---|
| 735 | if (!((m_Surface && (*label)->IsSurface()) || |
---|
| 736 | (m_Legs && (*label)->IsUnderground()) || |
---|
| 737 | (!(*label)->IsSurface() && !(*label)->IsUnderground()))) { |
---|
| 738 | // if this station isn't to be displayed, skip to the next |
---|
| 739 | // (last case is for stns with no legs attached) |
---|
| 740 | continue; |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | double x, y, z; |
---|
| 744 | |
---|
| 745 | Transform(**label, &x, &y, &z); |
---|
| 746 | // Check if the label is behind us (in perspective view). |
---|
| 747 | if (z <= 0.0 || z >= 1.0) continue; |
---|
| 748 | |
---|
| 749 | // Apply a small shift so that translating the view doesn't make which |
---|
| 750 | // labels are displayed change as the resulting twinkling effect is |
---|
| 751 | // distracting. |
---|
| 752 | double tx, ty, tz; |
---|
| 753 | Transform(Vector3(), &tx, &ty, &tz); |
---|
| 754 | tx -= floor(tx / quantise) * quantise; |
---|
| 755 | ty -= floor(ty / quantise) * quantise; |
---|
| 756 | |
---|
| 757 | tx = x - tx; |
---|
| 758 | if (tx < 0) continue; |
---|
| 759 | |
---|
| 760 | ty = y - ty; |
---|
| 761 | if (ty < 0) continue; |
---|
| 762 | |
---|
| 763 | unsigned int iy = unsigned(ty) / quantise; |
---|
| 764 | if (iy >= quantised_y) continue; |
---|
| 765 | unsigned int width = (*label)->get_width(); |
---|
| 766 | unsigned int ix = unsigned(tx) / quantise; |
---|
| 767 | if (ix + width >= quantised_x) continue; |
---|
| 768 | |
---|
| 769 | char * test = m_LabelGrid + ix + iy * quantised_x; |
---|
| 770 | if (memchr(test, 1, width)) continue; |
---|
| 771 | |
---|
| 772 | x += 3; |
---|
| 773 | y -= GetFontSize() / 2; |
---|
| 774 | DrawIndicatorText((int)x, (int)y, (*label)->GetText()); |
---|
| 775 | |
---|
| 776 | if (iy > QUANTISE_FACTOR) iy = QUANTISE_FACTOR; |
---|
| 777 | test -= quantised_x * iy; |
---|
| 778 | iy += 4; |
---|
| 779 | while (--iy && test < m_LabelGrid + buffer_size) { |
---|
| 780 | memset(test, 1, width); |
---|
| 781 | test += quantised_x; |
---|
| 782 | } |
---|
| 783 | } |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | void GfxCore::SimpleDrawNames() |
---|
| 787 | { |
---|
| 788 | // Draw all station names, without worrying about overlaps |
---|
| 789 | list<LabelInfo*>::const_iterator label = m_Parent->GetLabels(); |
---|
| 790 | for ( ; label != m_Parent->GetLabelsEnd(); ++label) { |
---|
| 791 | if (!((m_Surface && (*label)->IsSurface()) || |
---|
| 792 | (m_Legs && (*label)->IsUnderground()) || |
---|
| 793 | (!(*label)->IsSurface() && !(*label)->IsUnderground()))) { |
---|
| 794 | // if this station isn't to be displayed, skip to the next |
---|
| 795 | // (last case is for stns with no legs attached) |
---|
| 796 | continue; |
---|
| 797 | } |
---|
| 798 | |
---|
| 799 | double x, y, z; |
---|
| 800 | Transform(**label, &x, &y, &z); |
---|
| 801 | |
---|
| 802 | // Check if the label is behind us (in perspective view). |
---|
| 803 | if (z <= 0) continue; |
---|
| 804 | |
---|
| 805 | x += 3; |
---|
| 806 | y -= GetFontSize() / 2; |
---|
| 807 | DrawIndicatorText((int)x, (int)y, (*label)->GetText()); |
---|
| 808 | } |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | void GfxCore::DrawDepthbar() |
---|
| 812 | { |
---|
| 813 | const int total_block_height = |
---|
| 814 | DEPTH_BAR_BLOCK_HEIGHT * (GetNumDepthBands() - 1); |
---|
| 815 | const int top = -(total_block_height + DEPTH_BAR_OFFSET_Y); |
---|
| 816 | int size = 0; |
---|
| 817 | |
---|
| 818 | wxString* strs = new wxString[GetNumDepthBands()]; |
---|
| 819 | int band; |
---|
| 820 | for (band = 0; band < GetNumDepthBands(); band++) { |
---|
| 821 | Double z = m_Parent->GetDepthMin() + m_Parent->GetOffset().GetZ() + |
---|
| 822 | m_Parent->GetDepthExtent() * band / (GetNumDepthBands() - 1); |
---|
| 823 | strs[band] = FormatLength(z, false); |
---|
| 824 | |
---|
| 825 | int x; |
---|
| 826 | GetTextExtent(strs[band], &x, NULL); |
---|
| 827 | if (x > size) size = x; |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | int left = -DEPTH_BAR_OFFSET_X - DEPTH_BAR_BLOCK_WIDTH |
---|
| 831 | - DEPTH_BAR_MARGIN - size; |
---|
| 832 | |
---|
| 833 | DrawRectangle(col_BLACK, col_DARK_GREY, |
---|
| 834 | left - DEPTH_BAR_MARGIN - DEPTH_BAR_EXTRA_LEFT_MARGIN, |
---|
| 835 | top - DEPTH_BAR_MARGIN * 2, |
---|
| 836 | DEPTH_BAR_BLOCK_WIDTH + size + DEPTH_BAR_MARGIN * 3 + |
---|
| 837 | DEPTH_BAR_EXTRA_LEFT_MARGIN, |
---|
| 838 | total_block_height + DEPTH_BAR_MARGIN*4); |
---|
| 839 | |
---|
| 840 | int y = top; |
---|
| 841 | for (band = 0; band < GetNumDepthBands() - 1; band++) { |
---|
| 842 | DrawShadedRectangle(GetPen(band), GetPen(band + 1), left, y, |
---|
| 843 | DEPTH_BAR_BLOCK_WIDTH, DEPTH_BAR_BLOCK_HEIGHT); |
---|
| 844 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 845 | } |
---|
| 846 | |
---|
| 847 | y = top - GetFontSize() / 2; |
---|
| 848 | left += DEPTH_BAR_BLOCK_WIDTH + 5; |
---|
| 849 | |
---|
| 850 | SetColour(TEXT_COLOUR); |
---|
| 851 | for (band = 0; band < GetNumDepthBands(); band++) { |
---|
| 852 | DrawIndicatorText(left, y, strs[band]); |
---|
| 853 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 854 | } |
---|
| 855 | |
---|
| 856 | delete[] strs; |
---|
| 857 | } |
---|
| 858 | |
---|
| 859 | void GfxCore::DrawDatebar() |
---|
| 860 | { |
---|
| 861 | int total_block_height = DEPTH_BAR_BLOCK_HEIGHT * (GetNumDepthBands() - 1); |
---|
| 862 | if (!m_Parent->HasCompleteDateInfo()) |
---|
| 863 | total_block_height += DEPTH_BAR_BLOCK_HEIGHT + DEPTH_BAR_MARGIN; |
---|
| 864 | const int top = -(total_block_height + DEPTH_BAR_OFFSET_Y); |
---|
| 865 | |
---|
| 866 | int size = 0; |
---|
| 867 | if (!m_Parent->HasCompleteDateInfo()) { |
---|
| 868 | GetTextExtent(wxT("No info"), &size, NULL); |
---|
| 869 | } |
---|
| 870 | |
---|
| 871 | wxString* strs = new wxString[GetNumDepthBands()]; |
---|
| 872 | int band; |
---|
| 873 | for (band = 0; band < GetNumDepthBands(); band++) { |
---|
| 874 | int y, m, d; |
---|
| 875 | int days = m_Parent->GetDateMin(); |
---|
| 876 | days += m_Parent->GetDateExtent() * band / (GetNumDepthBands() - 1); |
---|
| 877 | ymd_from_days_since_1900(days, &y, &m, &d); |
---|
| 878 | strs[band] = wxString::Format(wxT("%04d-%02d-%02d"), y, m, d); |
---|
| 879 | |
---|
| 880 | int x; |
---|
| 881 | GetTextExtent(strs[band], &x, NULL); |
---|
| 882 | if (x > size) size = x; |
---|
| 883 | } |
---|
| 884 | |
---|
| 885 | int left = -DEPTH_BAR_OFFSET_X - DEPTH_BAR_BLOCK_WIDTH |
---|
| 886 | - DEPTH_BAR_MARGIN - size; |
---|
| 887 | |
---|
| 888 | DrawRectangle(col_BLACK, col_DARK_GREY, |
---|
| 889 | left - DEPTH_BAR_MARGIN - DEPTH_BAR_EXTRA_LEFT_MARGIN, |
---|
| 890 | top - DEPTH_BAR_MARGIN * 2, |
---|
| 891 | DEPTH_BAR_BLOCK_WIDTH + size + DEPTH_BAR_MARGIN * 3 + |
---|
| 892 | DEPTH_BAR_EXTRA_LEFT_MARGIN, |
---|
| 893 | total_block_height + DEPTH_BAR_MARGIN*4); |
---|
| 894 | |
---|
| 895 | int y = top; |
---|
| 896 | |
---|
| 897 | if (!m_Parent->HasCompleteDateInfo()) { |
---|
| 898 | DrawShadedRectangle(GetSurfacePen(), GetSurfacePen(), left, y, |
---|
| 899 | DEPTH_BAR_BLOCK_WIDTH, DEPTH_BAR_BLOCK_HEIGHT); |
---|
| 900 | y += DEPTH_BAR_BLOCK_HEIGHT + DEPTH_BAR_MARGIN; |
---|
| 901 | } |
---|
| 902 | |
---|
| 903 | for (band = 0; band < GetNumDepthBands() - 1; band++) { |
---|
| 904 | DrawShadedRectangle(GetPen(band), GetPen(band + 1), left, y, |
---|
| 905 | DEPTH_BAR_BLOCK_WIDTH, DEPTH_BAR_BLOCK_HEIGHT); |
---|
| 906 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 907 | } |
---|
| 908 | |
---|
| 909 | y = top - GetFontSize() / 2; |
---|
| 910 | left += DEPTH_BAR_BLOCK_WIDTH + 5; |
---|
| 911 | |
---|
| 912 | SetColour(TEXT_COLOUR); |
---|
| 913 | |
---|
| 914 | if (!m_Parent->HasCompleteDateInfo()) { |
---|
| 915 | y += DEPTH_BAR_MARGIN; |
---|
| 916 | DrawIndicatorText(left, y, wxT("No info")); |
---|
| 917 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 918 | } |
---|
| 919 | |
---|
| 920 | for (band = 0; band < GetNumDepthBands(); band++) { |
---|
| 921 | DrawIndicatorText(left, y, strs[band]); |
---|
| 922 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 923 | } |
---|
| 924 | |
---|
| 925 | delete[] strs; |
---|
| 926 | } |
---|
| 927 | |
---|
| 928 | void GfxCore::DrawErrorbar() |
---|
| 929 | { |
---|
| 930 | int total_block_height = DEPTH_BAR_BLOCK_HEIGHT * (GetNumDepthBands() - 1); |
---|
| 931 | // Always show the "Not a loop" legend for now (FIXME). |
---|
| 932 | total_block_height += DEPTH_BAR_BLOCK_HEIGHT + DEPTH_BAR_MARGIN; |
---|
| 933 | const int top = -(total_block_height + DEPTH_BAR_OFFSET_Y); |
---|
| 934 | |
---|
| 935 | int size = 0; |
---|
| 936 | GetTextExtent(wxT("Not a loop"), &size, NULL); |
---|
| 937 | |
---|
| 938 | wxString* strs = new wxString[GetNumDepthBands()]; |
---|
| 939 | int band; |
---|
| 940 | for (band = 0; band < GetNumDepthBands(); band++) { |
---|
| 941 | double E = MAX_ERROR * band / (GetNumDepthBands() - 1); |
---|
| 942 | strs[band].Printf(wxT("%.2f"), E); |
---|
| 943 | |
---|
| 944 | int x; |
---|
| 945 | GetTextExtent(strs[band], &x, NULL); |
---|
| 946 | if (x > size) size = x; |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | int left = -DEPTH_BAR_OFFSET_X - DEPTH_BAR_BLOCK_WIDTH |
---|
| 950 | - DEPTH_BAR_MARGIN - size; |
---|
| 951 | |
---|
| 952 | DrawRectangle(col_BLACK, col_DARK_GREY, |
---|
| 953 | left - DEPTH_BAR_MARGIN - DEPTH_BAR_EXTRA_LEFT_MARGIN, |
---|
| 954 | top - DEPTH_BAR_MARGIN * 2, |
---|
| 955 | DEPTH_BAR_BLOCK_WIDTH + size + DEPTH_BAR_MARGIN * 3 + |
---|
| 956 | DEPTH_BAR_EXTRA_LEFT_MARGIN, |
---|
| 957 | total_block_height + DEPTH_BAR_MARGIN*4); |
---|
| 958 | |
---|
| 959 | int y = top; |
---|
| 960 | |
---|
| 961 | DrawShadedRectangle(GetSurfacePen(), GetSurfacePen(), left, y, |
---|
| 962 | DEPTH_BAR_BLOCK_WIDTH, DEPTH_BAR_BLOCK_HEIGHT); |
---|
| 963 | y += DEPTH_BAR_BLOCK_HEIGHT + DEPTH_BAR_MARGIN; |
---|
| 964 | |
---|
| 965 | for (band = 0; band < GetNumDepthBands() - 1; band++) { |
---|
| 966 | DrawShadedRectangle(GetPen(band), GetPen(band + 1), left, y, |
---|
| 967 | DEPTH_BAR_BLOCK_WIDTH, DEPTH_BAR_BLOCK_HEIGHT); |
---|
| 968 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 969 | } |
---|
| 970 | |
---|
| 971 | y = top - GetFontSize() / 2; |
---|
| 972 | left += DEPTH_BAR_BLOCK_WIDTH + 5; |
---|
| 973 | |
---|
| 974 | SetColour(TEXT_COLOUR); |
---|
| 975 | |
---|
| 976 | y += DEPTH_BAR_MARGIN; |
---|
| 977 | DrawIndicatorText(left, y, wxT("Not in loop")); |
---|
| 978 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 979 | |
---|
| 980 | for (band = 0; band < GetNumDepthBands(); band++) { |
---|
| 981 | DrawIndicatorText(left, y, strs[band]); |
---|
| 982 | y += DEPTH_BAR_BLOCK_HEIGHT; |
---|
| 983 | } |
---|
| 984 | |
---|
| 985 | delete[] strs; |
---|
| 986 | } |
---|
| 987 | |
---|
| 988 | wxString GfxCore::FormatLength(Double size_snap, bool scalebar) |
---|
| 989 | { |
---|
| 990 | wxString str; |
---|
| 991 | bool negative = (size_snap < 0.0); |
---|
| 992 | |
---|
| 993 | if (negative) { |
---|
| 994 | size_snap = -size_snap; |
---|
| 995 | } |
---|
| 996 | |
---|
| 997 | if (size_snap == 0.0) { |
---|
| 998 | str = wxT("0"); |
---|
| 999 | } else if (m_Metric) { |
---|
| 1000 | #ifdef SILLY_UNITS |
---|
| 1001 | if (size_snap < 1e-12) { |
---|
| 1002 | str.Printf(wxT("%.3gpm"), size_snap * 1e12); |
---|
| 1003 | } else if (size_snap < 1e-9) { |
---|
| 1004 | str.Printf(wxT("%.fpm"), size_snap * 1e12); |
---|
| 1005 | } else if (size_snap < 1e-6) { |
---|
| 1006 | str.Printf(wxT("%.fnm"), size_snap * 1e9); |
---|
| 1007 | } else if (size_snap < 1e-3) { |
---|
| 1008 | str.Printf(wxT("%.fum"), size_snap * 1e6); |
---|
| 1009 | #else |
---|
| 1010 | if (size_snap < 1e-3) { |
---|
| 1011 | str.Printf(wxT("%.3gmm"), size_snap * 1e3); |
---|
| 1012 | #endif |
---|
| 1013 | } else if (size_snap < 1e-2) { |
---|
| 1014 | str.Printf(wxT("%.fmm"), size_snap * 1e3); |
---|
| 1015 | } else if (size_snap < 1.0) { |
---|
| 1016 | str.Printf(wxT("%.fcm"), size_snap * 100.0); |
---|
| 1017 | } else if (size_snap < 1e3) { |
---|
| 1018 | str.Printf(wxT("%.fm"), size_snap); |
---|
| 1019 | #ifdef SILLY_UNITS |
---|
| 1020 | } else if (size_snap < 1e6) { |
---|
| 1021 | str.Printf(wxT("%.fkm"), size_snap * 1e-3); |
---|
| 1022 | } else if (size_snap < 1e9) { |
---|
| 1023 | str.Printf(wxT("%.fMm"), size_snap * 1e-6); |
---|
| 1024 | } else { |
---|
| 1025 | str.Printf(wxT("%.fGm"), size_snap * 1e-9); |
---|
| 1026 | #else |
---|
| 1027 | } else { |
---|
| 1028 | str.Printf(scalebar ? wxT("%.fkm") : wxT("%.2fkm"), size_snap * 1e-3); |
---|
| 1029 | #endif |
---|
| 1030 | } |
---|
| 1031 | } else { |
---|
| 1032 | size_snap /= METRES_PER_FOOT; |
---|
| 1033 | if (scalebar) { |
---|
| 1034 | Double inches = size_snap * 12; |
---|
| 1035 | if (inches < 1.0) { |
---|
| 1036 | str.Printf(wxT("%.3gin"), inches); |
---|
| 1037 | } else if (size_snap < 1.0) { |
---|
| 1038 | str.Printf(wxT("%.fin"), inches); |
---|
| 1039 | } else if (size_snap < 5279.5) { |
---|
| 1040 | str.Printf(wxT("%.fft"), size_snap); |
---|
| 1041 | } else { |
---|
| 1042 | str.Printf(wxT("%.f miles"), size_snap / 5280.0); |
---|
| 1043 | } |
---|
| 1044 | } else { |
---|
| 1045 | str.Printf(wxT("%.fft"), size_snap); |
---|
| 1046 | } |
---|
| 1047 | } |
---|
| 1048 | |
---|
| 1049 | return negative ? wxString(wxT("-")) + str : str; |
---|
| 1050 | } |
---|
| 1051 | |
---|
| 1052 | void GfxCore::DrawScalebar() |
---|
| 1053 | { |
---|
| 1054 | // Draw the scalebar. |
---|
| 1055 | if (GetPerspective()) return; |
---|
| 1056 | |
---|
| 1057 | // Calculate how many metres of survey are currently displayed across the |
---|
| 1058 | // screen. |
---|
| 1059 | Double across_screen = SurveyUnitsAcrossViewport(); |
---|
| 1060 | |
---|
| 1061 | // Convert to imperial measurements if required. |
---|
| 1062 | Double multiplier = 1.0; |
---|
| 1063 | if (!m_Metric) { |
---|
| 1064 | across_screen /= METRES_PER_FOOT; |
---|
| 1065 | multiplier = METRES_PER_FOOT; |
---|
| 1066 | if (across_screen >= 5280.0 / 0.75) { |
---|
| 1067 | across_screen /= 5280.0; |
---|
| 1068 | multiplier *= 5280.0; |
---|
| 1069 | } |
---|
| 1070 | } |
---|
| 1071 | |
---|
| 1072 | // Calculate the length of the scale bar. |
---|
| 1073 | Double size_snap = pow(10.0, floor(log10(0.65 * across_screen))); |
---|
| 1074 | Double t = across_screen * 0.65 / size_snap; |
---|
| 1075 | if (t >= 5.0) { |
---|
| 1076 | size_snap *= 5.0; |
---|
| 1077 | } else if (t >= 2.0) { |
---|
| 1078 | size_snap *= 2.0; |
---|
| 1079 | } |
---|
| 1080 | |
---|
| 1081 | if (!m_Metric) size_snap *= multiplier; |
---|
| 1082 | |
---|
| 1083 | // Actual size of the thing in pixels: |
---|
| 1084 | int size = int((size_snap / SurveyUnitsAcrossViewport()) * m_XSize); |
---|
| 1085 | m_ScaleBarWidth = size; |
---|
| 1086 | |
---|
| 1087 | // Draw it... |
---|
| 1088 | const int end_y = SCALE_BAR_OFFSET_Y + SCALE_BAR_HEIGHT; |
---|
| 1089 | int interval = size / 10; |
---|
| 1090 | |
---|
| 1091 | gla_colour col = col_WHITE; |
---|
| 1092 | for (int ix = 0; ix < 10; ix++) { |
---|
| 1093 | int x = SCALE_BAR_OFFSET_X + int(ix * ((Double) size / 10.0)); |
---|
| 1094 | |
---|
| 1095 | DrawRectangle(col, col, x, end_y, interval + 2, SCALE_BAR_HEIGHT); |
---|
| 1096 | |
---|
| 1097 | col = (col == col_WHITE) ? col_GREY : col_WHITE; |
---|
| 1098 | } |
---|
| 1099 | |
---|
| 1100 | // Add labels. |
---|
| 1101 | wxString str = FormatLength(size_snap); |
---|
| 1102 | |
---|
| 1103 | int text_width, text_height; |
---|
| 1104 | GetTextExtent(str, &text_width, &text_height); |
---|
| 1105 | const int text_y = end_y - text_height + 1; |
---|
| 1106 | SetColour(TEXT_COLOUR); |
---|
| 1107 | DrawIndicatorText(SCALE_BAR_OFFSET_X, text_y, wxT("0")); |
---|
| 1108 | DrawIndicatorText(SCALE_BAR_OFFSET_X + size - text_width, text_y, str); |
---|
| 1109 | } |
---|
| 1110 | |
---|
| 1111 | bool GfxCore::CheckHitTestGrid(const wxPoint& point, bool centre) |
---|
| 1112 | { |
---|
| 1113 | if (Animating()) return false; |
---|
| 1114 | |
---|
| 1115 | if (point.x < 0 || point.x >= m_XSize || |
---|
| 1116 | point.y < 0 || point.y >= m_YSize) { |
---|
| 1117 | return false; |
---|
| 1118 | } |
---|
| 1119 | |
---|
| 1120 | SetDataTransform(); |
---|
| 1121 | |
---|
| 1122 | if (!m_HitTestGridValid) CreateHitTestGrid(); |
---|
| 1123 | |
---|
| 1124 | int grid_x = (point.x * (HITTEST_SIZE - 1)) / m_XSize; |
---|
| 1125 | int grid_y = (point.y * (HITTEST_SIZE - 1)) / m_YSize; |
---|
| 1126 | |
---|
| 1127 | LabelInfo *best = NULL; |
---|
| 1128 | int dist_sqrd = 25; |
---|
| 1129 | int square = grid_x + grid_y * HITTEST_SIZE; |
---|
| 1130 | list<LabelInfo*>::iterator iter = m_PointGrid[square].begin(); |
---|
| 1131 | |
---|
| 1132 | while (iter != m_PointGrid[square].end()) { |
---|
| 1133 | LabelInfo *pt = *iter++; |
---|
| 1134 | |
---|
| 1135 | double cx, cy, cz; |
---|
| 1136 | |
---|
| 1137 | Transform(*pt, &cx, &cy, &cz); |
---|
| 1138 | |
---|
| 1139 | cy = m_YSize - cy; |
---|
| 1140 | |
---|
| 1141 | int dx = point.x - int(cx); |
---|
| 1142 | int ds = dx * dx; |
---|
| 1143 | if (ds >= dist_sqrd) continue; |
---|
| 1144 | int dy = point.y - int(cy); |
---|
| 1145 | |
---|
| 1146 | ds += dy * dy; |
---|
| 1147 | if (ds >= dist_sqrd) continue; |
---|
| 1148 | |
---|
| 1149 | dist_sqrd = ds; |
---|
| 1150 | best = pt; |
---|
| 1151 | |
---|
| 1152 | if (ds == 0) break; |
---|
| 1153 | } |
---|
| 1154 | |
---|
| 1155 | if (best) { |
---|
| 1156 | m_Parent->ShowInfo(best); |
---|
| 1157 | if (centre) { |
---|
| 1158 | // FIXME: allow Ctrl-Click to not set there or something? |
---|
| 1159 | CentreOn(*best); |
---|
| 1160 | WarpPointer(m_XSize / 2, m_YSize / 2); |
---|
| 1161 | SetThere(*best); |
---|
| 1162 | m_Parent->SelectTreeItem(best); |
---|
| 1163 | } |
---|
| 1164 | } else { |
---|
| 1165 | // Left-clicking not on a survey cancels the measuring line. |
---|
| 1166 | if (centre) { |
---|
| 1167 | ClearTreeSelection(); |
---|
| 1168 | } else { |
---|
| 1169 | m_Parent->ShowInfo(best); |
---|
| 1170 | double x, y, z; |
---|
| 1171 | ReverseTransform(point.x, m_YSize - point.y, &x, &y, &z); |
---|
| 1172 | SetHere(Point(Vector3(x, y, z))); |
---|
| 1173 | m_here_is_temporary = true; |
---|
| 1174 | } |
---|
| 1175 | } |
---|
| 1176 | |
---|
| 1177 | return best; |
---|
| 1178 | } |
---|
| 1179 | |
---|
| 1180 | void GfxCore::OnSize(wxSizeEvent& event) |
---|
| 1181 | { |
---|
| 1182 | // Handle a change in window size. |
---|
| 1183 | |
---|
| 1184 | wxSize size = event.GetSize(); |
---|
| 1185 | |
---|
| 1186 | if (size.GetWidth() <= 0 || size.GetHeight() <= 0) { |
---|
| 1187 | // Before things are fully initialised, we sometimes get a bogus |
---|
| 1188 | // resize message... |
---|
| 1189 | // FIXME have changes in MainFrm cured this? It still happens with |
---|
| 1190 | // 1.0.32 and wxGTK 2.5.2 (load a file from the command line). |
---|
| 1191 | // With 1.1.6 and wxGTK 2.4.2 we only get negative sizes if MainFrm |
---|
| 1192 | // is resized such that the GfxCore window isn't visible. |
---|
| 1193 | //printf("OnSize(%d,%d)\n", size.GetWidth(), size.GetHeight()); |
---|
| 1194 | return; |
---|
| 1195 | } |
---|
| 1196 | |
---|
| 1197 | wxGLCanvas::OnSize(event); |
---|
| 1198 | |
---|
| 1199 | m_XSize = size.GetWidth(); |
---|
| 1200 | m_YSize = size.GetHeight(); |
---|
| 1201 | |
---|
| 1202 | if (m_DoneFirstShow) { |
---|
| 1203 | if (m_LabelGrid) { |
---|
| 1204 | delete[] m_LabelGrid; |
---|
| 1205 | m_LabelGrid = NULL; |
---|
| 1206 | } |
---|
| 1207 | |
---|
| 1208 | m_HitTestGridValid = false; |
---|
| 1209 | |
---|
| 1210 | ForceRefresh(); |
---|
| 1211 | } |
---|
| 1212 | } |
---|
| 1213 | |
---|
| 1214 | void GfxCore::DefaultParameters() |
---|
| 1215 | { |
---|
| 1216 | // Set default viewing parameters. |
---|
| 1217 | |
---|
| 1218 | m_Surface = false; |
---|
| 1219 | if (!m_Parent->HasUndergroundLegs()) { |
---|
| 1220 | if (m_Parent->HasSurfaceLegs()) { |
---|
| 1221 | // If there are surface legs, but no underground legs, turn |
---|
| 1222 | // surface surveys on. |
---|
| 1223 | m_Surface = true; |
---|
| 1224 | } else { |
---|
| 1225 | // If there are no legs (e.g. after loading a .pos file), turn |
---|
| 1226 | // crosses on. |
---|
| 1227 | m_Crosses = true; |
---|
| 1228 | } |
---|
| 1229 | } |
---|
| 1230 | |
---|
| 1231 | m_PanAngle = 0.0; |
---|
| 1232 | if (m_Parent->IsExtendedElevation()) { |
---|
| 1233 | m_TiltAngle = 0.0; |
---|
| 1234 | } else { |
---|
| 1235 | m_TiltAngle = 90.0; |
---|
| 1236 | } |
---|
| 1237 | |
---|
| 1238 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
| 1239 | SetTranslation(Vector3()); |
---|
| 1240 | |
---|
| 1241 | m_RotationStep = 30.0; |
---|
| 1242 | m_Rotating = false; |
---|
| 1243 | m_SwitchingTo = 0; |
---|
| 1244 | m_Entrances = false; |
---|
| 1245 | m_FixedPts = false; |
---|
| 1246 | m_ExportedPts = false; |
---|
| 1247 | m_Grid = false; |
---|
| 1248 | m_BoundingBox = false; |
---|
| 1249 | m_Tubes = false; |
---|
| 1250 | if (GetPerspective()) TogglePerspective(); |
---|
| 1251 | } |
---|
| 1252 | |
---|
| 1253 | void GfxCore::Defaults() |
---|
| 1254 | { |
---|
| 1255 | // Restore default scale, rotation and translation parameters. |
---|
| 1256 | DefaultParameters(); |
---|
| 1257 | SetScale(1.0); |
---|
| 1258 | |
---|
| 1259 | // Invalidate all the cached lists. |
---|
| 1260 | GLACanvas::FirstShow(); |
---|
| 1261 | |
---|
| 1262 | ForceRefresh(); |
---|
| 1263 | } |
---|
| 1264 | |
---|
| 1265 | // return: true if animation occured (and ForceRefresh() needs to be called) |
---|
| 1266 | bool GfxCore::Animate() |
---|
| 1267 | { |
---|
| 1268 | if (!Animating()) return false; |
---|
| 1269 | |
---|
| 1270 | // Don't show pointer coordinates while animating. |
---|
| 1271 | // FIXME : only do this when we *START* animating! Use a static copy |
---|
| 1272 | // of the value of "Animating()" last time we were here to track this? |
---|
| 1273 | // MainFrm now checks if we're trying to clear already cleared labels |
---|
| 1274 | // and just returns, but it might be simpler to check here! |
---|
| 1275 | ClearCoords(); |
---|
| 1276 | m_Parent->ShowInfo(NULL); |
---|
| 1277 | |
---|
| 1278 | static double last_t = 0; |
---|
| 1279 | double t; |
---|
| 1280 | if (movie) { |
---|
| 1281 | // FIXME: this glReadPixels call should be in gla-gl.cc |
---|
| 1282 | glReadPixels(0, 0, movie->GetWidth(), movie->GetHeight(), GL_RGB, |
---|
| 1283 | GL_UNSIGNED_BYTE, (GLvoid *)movie->GetBuffer()); |
---|
| 1284 | movie->AddFrame(); |
---|
| 1285 | t = 1.0 / 25.0; // 25 frames per second |
---|
| 1286 | } else { |
---|
| 1287 | t = timer.Time() * 1.0e-3; |
---|
| 1288 | if (t == 0) t = 0.001; |
---|
| 1289 | else if (t > 1.0) t = 1.0; |
---|
| 1290 | if (last_t > 0) t = (t + last_t) / 2; |
---|
| 1291 | last_t = t; |
---|
| 1292 | } |
---|
| 1293 | |
---|
| 1294 | if (presentation_mode == PLAYING && pres_speed != 0.0) { |
---|
| 1295 | t *= fabs(pres_speed); |
---|
| 1296 | while (t >= next_mark_time) { |
---|
| 1297 | t -= next_mark_time; |
---|
| 1298 | this_mark_total = 0; |
---|
| 1299 | PresentationMark prev_mark = next_mark; |
---|
| 1300 | if (prev_mark.angle < 0) prev_mark.angle += 360.0; |
---|
| 1301 | else if (prev_mark.angle >= 360.0) prev_mark.angle -= 360.0; |
---|
| 1302 | if (pres_reverse) |
---|
| 1303 | next_mark = m_Parent->GetPresMark(MARK_PREV); |
---|
| 1304 | else |
---|
| 1305 | next_mark = m_Parent->GetPresMark(MARK_NEXT); |
---|
| 1306 | if (!next_mark.is_valid()) { |
---|
| 1307 | SetView(prev_mark); |
---|
| 1308 | presentation_mode = 0; |
---|
| 1309 | if (movie) { |
---|
| 1310 | delete movie; |
---|
| 1311 | movie = 0; |
---|
| 1312 | } |
---|
| 1313 | break; |
---|
| 1314 | } |
---|
| 1315 | |
---|
| 1316 | double tmp = (pres_reverse ? prev_mark.time : next_mark.time); |
---|
| 1317 | if (tmp > 0) { |
---|
| 1318 | next_mark_time = tmp; |
---|
| 1319 | } else { |
---|
| 1320 | double d = (next_mark - prev_mark).magnitude(); |
---|
| 1321 | // FIXME: should ignore component of d which is unseen in |
---|
| 1322 | // non-perspective mode? |
---|
| 1323 | next_mark_time = sqrd(d / 30.0); |
---|
| 1324 | double a = next_mark.angle - prev_mark.angle; |
---|
| 1325 | if (a > 180.0) { |
---|
| 1326 | next_mark.angle -= 360.0; |
---|
| 1327 | a = 360.0 - a; |
---|
| 1328 | } else if (a < -180.0) { |
---|
| 1329 | next_mark.angle += 360.0; |
---|
| 1330 | a += 360.0; |
---|
| 1331 | } else { |
---|
| 1332 | a = fabs(a); |
---|
| 1333 | } |
---|
| 1334 | next_mark_time += sqrd(a / 60.0); |
---|
| 1335 | double ta = fabs(next_mark.tilt_angle - prev_mark.tilt_angle); |
---|
| 1336 | next_mark_time += sqrd(ta / 60.0); |
---|
| 1337 | double s = fabs(log(next_mark.scale) - log(prev_mark.scale)); |
---|
| 1338 | next_mark_time += sqrd(s / 2.0); |
---|
| 1339 | next_mark_time = sqrt(next_mark_time); |
---|
| 1340 | // was: next_mark_time = max(max(d / 30, s / 2), max(a, ta) / 60); |
---|
| 1341 | //printf("*** %.6f from (\nd: %.6f\ns: %.6f\na: %.6f\nt: %.6f )\n", |
---|
| 1342 | // next_mark_time, d/30.0, s/2.0, a/60.0, ta/60.0); |
---|
| 1343 | if (tmp < 0) next_mark_time /= -tmp; |
---|
| 1344 | } |
---|
| 1345 | } |
---|
| 1346 | |
---|
| 1347 | if (presentation_mode) { |
---|
| 1348 | // Advance position towards next_mark |
---|
| 1349 | double p = t / next_mark_time; |
---|
| 1350 | double q = 1 - p; |
---|
| 1351 | PresentationMark here = GetView(); |
---|
| 1352 | if (next_mark.angle < 0) { |
---|
| 1353 | if (here.angle >= next_mark.angle + 360.0) |
---|
| 1354 | here.angle -= 360.0; |
---|
| 1355 | } else if (next_mark.angle >= 360.0) { |
---|
| 1356 | if (here.angle <= next_mark.angle - 360.0) |
---|
| 1357 | here.angle += 360.0; |
---|
| 1358 | } |
---|
| 1359 | here.assign(q * here + p * next_mark); |
---|
| 1360 | here.angle = q * here.angle + p * next_mark.angle; |
---|
| 1361 | if (here.angle < 0) here.angle += 360.0; |
---|
| 1362 | else if (here.angle >= 360.0) here.angle -= 360.0; |
---|
| 1363 | here.tilt_angle = q * here.tilt_angle + p * next_mark.tilt_angle; |
---|
| 1364 | here.scale = exp(q * log(here.scale) + p * log(next_mark.scale)); |
---|
| 1365 | SetView(here); |
---|
| 1366 | this_mark_total += t; |
---|
| 1367 | next_mark_time -= t; |
---|
| 1368 | } |
---|
| 1369 | } |
---|
| 1370 | |
---|
| 1371 | // When rotating... |
---|
| 1372 | if (m_Rotating) { |
---|
| 1373 | TurnCave(m_RotationStep * t); |
---|
| 1374 | } |
---|
| 1375 | |
---|
| 1376 | if (m_SwitchingTo == PLAN) { |
---|
| 1377 | // When switching to plan view... |
---|
| 1378 | TiltCave(90.0 * t); |
---|
| 1379 | if (m_TiltAngle == 90.0) { |
---|
| 1380 | m_SwitchingTo = 0; |
---|
| 1381 | } |
---|
| 1382 | } else if (m_SwitchingTo == ELEVATION) { |
---|
| 1383 | // When switching to elevation view... |
---|
| 1384 | if (fabs(m_TiltAngle) < 90.0 * t) { |
---|
| 1385 | m_SwitchingTo = 0; |
---|
| 1386 | TiltCave(-m_TiltAngle); |
---|
| 1387 | } else if (m_TiltAngle < 0.0) { |
---|
| 1388 | TiltCave(90.0 * t); |
---|
| 1389 | } else { |
---|
| 1390 | TiltCave(-90.0 * t); |
---|
| 1391 | } |
---|
| 1392 | } else if (m_SwitchingTo) { |
---|
| 1393 | int angle = (m_SwitchingTo - NORTH) * 90; |
---|
| 1394 | double diff = angle - m_PanAngle; |
---|
| 1395 | if (diff < -180) diff += 360; |
---|
| 1396 | if (diff > 180) diff -= 360; |
---|
| 1397 | double move = 90.0 * t; |
---|
| 1398 | if (move >= fabs(diff)) { |
---|
| 1399 | TurnCave(diff); |
---|
| 1400 | m_SwitchingTo = 0; |
---|
| 1401 | } else if (diff < 0) { |
---|
| 1402 | TurnCave(-move); |
---|
| 1403 | } else { |
---|
| 1404 | TurnCave(move); |
---|
| 1405 | } |
---|
| 1406 | } |
---|
| 1407 | |
---|
| 1408 | return true; |
---|
| 1409 | } |
---|
| 1410 | |
---|
| 1411 | // How much to allow around the box - this is because of the ring shape |
---|
| 1412 | // at one end of the line. |
---|
| 1413 | static const int HIGHLIGHTED_PT_SIZE = 2; // FIXME: tie in to blob and ring size |
---|
| 1414 | #define MARGIN (HIGHLIGHTED_PT_SIZE * 2 + 1) |
---|
| 1415 | void GfxCore::RefreshLine(const Point &a, const Point &b, const Point &c) |
---|
| 1416 | { |
---|
| 1417 | // Best of all might be to copy the window contents before we draw the |
---|
| 1418 | // line, then replace each time we redraw. |
---|
| 1419 | |
---|
| 1420 | // Calculate the minimum rectangle which includes the old and new |
---|
| 1421 | // measuring lines to minimise the redraw time |
---|
| 1422 | int l = INT_MAX, r = INT_MIN, u = INT_MIN, d = INT_MAX; |
---|
| 1423 | double X, Y, Z; |
---|
| 1424 | if (a.IsValid()) { |
---|
| 1425 | if (!Transform(a, &X, &Y, &Z)) { |
---|
| 1426 | printf("oops\n"); |
---|
| 1427 | } else { |
---|
| 1428 | int x = int(X); |
---|
| 1429 | int y = m_YSize - 1 - int(Y); |
---|
| 1430 | l = x - MARGIN; |
---|
| 1431 | r = x + MARGIN; |
---|
| 1432 | u = y + MARGIN; |
---|
| 1433 | d = y - MARGIN; |
---|
| 1434 | } |
---|
| 1435 | } |
---|
| 1436 | if (b.IsValid()) { |
---|
| 1437 | if (!Transform(b, &X, &Y, &Z)) { |
---|
| 1438 | printf("oops\n"); |
---|
| 1439 | } else { |
---|
| 1440 | int x = int(X); |
---|
| 1441 | int y = m_YSize - 1 - int(Y); |
---|
| 1442 | l = min(l, x - MARGIN); |
---|
| 1443 | r = max(r, x + MARGIN); |
---|
| 1444 | u = max(u, y + MARGIN); |
---|
| 1445 | d = min(d, y - MARGIN); |
---|
| 1446 | } |
---|
| 1447 | } |
---|
| 1448 | if (c.IsValid()) { |
---|
| 1449 | if (!Transform(c, &X, &Y, &Z)) { |
---|
| 1450 | printf("oops\n"); |
---|
| 1451 | } else { |
---|
| 1452 | int x = int(X); |
---|
| 1453 | int y = m_YSize - 1 - int(Y); |
---|
| 1454 | l = min(l, x - MARGIN); |
---|
| 1455 | r = max(r, x + MARGIN); |
---|
| 1456 | u = max(u, y + MARGIN); |
---|
| 1457 | d = min(d, y - MARGIN); |
---|
| 1458 | } |
---|
| 1459 | } |
---|
| 1460 | const wxRect R(l, d, r - l, u - d); |
---|
| 1461 | Refresh(false, &R); |
---|
| 1462 | } |
---|
| 1463 | |
---|
| 1464 | void GfxCore::SetHere() |
---|
| 1465 | { |
---|
| 1466 | if (!m_here.IsValid()) return; |
---|
| 1467 | bool line_active = MeasuringLineActive(); |
---|
| 1468 | Point old = m_here; |
---|
| 1469 | m_here.Invalidate(); |
---|
| 1470 | if (line_active || MeasuringLineActive()) |
---|
| 1471 | RefreshLine(old, m_there, m_here); |
---|
| 1472 | } |
---|
| 1473 | |
---|
| 1474 | void GfxCore::SetHere(const Point &p) |
---|
| 1475 | { |
---|
| 1476 | bool line_active = MeasuringLineActive(); |
---|
| 1477 | Point old = m_here; |
---|
| 1478 | m_here = p; |
---|
| 1479 | if (line_active || MeasuringLineActive()) |
---|
| 1480 | RefreshLine(old, m_there, m_here); |
---|
| 1481 | m_here_is_temporary = false; |
---|
| 1482 | } |
---|
| 1483 | |
---|
| 1484 | void GfxCore::SetThere() |
---|
| 1485 | { |
---|
| 1486 | if (!m_there.IsValid()) return; |
---|
| 1487 | Point old = m_there; |
---|
| 1488 | m_there.Invalidate(); |
---|
| 1489 | RefreshLine(m_here, old, m_there); |
---|
| 1490 | } |
---|
| 1491 | |
---|
| 1492 | void GfxCore::SetThere(const Point &p) |
---|
| 1493 | { |
---|
| 1494 | Point old = m_there; |
---|
| 1495 | m_there = p; |
---|
| 1496 | RefreshLine(m_here, old, m_there); |
---|
| 1497 | } |
---|
| 1498 | |
---|
| 1499 | void GfxCore::CreateHitTestGrid() |
---|
| 1500 | { |
---|
| 1501 | // Clear hit-test grid. |
---|
| 1502 | for (int i = 0; i < HITTEST_SIZE * HITTEST_SIZE; i++) { |
---|
| 1503 | m_PointGrid[i].clear(); |
---|
| 1504 | } |
---|
| 1505 | |
---|
| 1506 | // Fill the grid. |
---|
| 1507 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
| 1508 | list<LabelInfo*>::const_iterator end = m_Parent->GetLabelsEnd(); |
---|
| 1509 | while (pos != end) { |
---|
| 1510 | LabelInfo* label = *pos++; |
---|
| 1511 | |
---|
| 1512 | if (!((m_Surface && label->IsSurface()) || |
---|
| 1513 | (m_Legs && label->IsUnderground()) || |
---|
| 1514 | (!label->IsSurface() && !label->IsUnderground()))) { |
---|
| 1515 | // if this station isn't to be displayed, skip to the next |
---|
| 1516 | // (last case is for stns with no legs attached) |
---|
| 1517 | continue; |
---|
| 1518 | } |
---|
| 1519 | |
---|
| 1520 | // Calculate screen coordinates. |
---|
| 1521 | double cx, cy, cz; |
---|
| 1522 | Transform(*label, &cx, &cy, &cz); |
---|
| 1523 | if (cx < 0 || cx >= m_XSize) continue; |
---|
| 1524 | if (cy < 0 || cy >= m_YSize) continue; |
---|
| 1525 | |
---|
| 1526 | cy = m_YSize - cy; |
---|
| 1527 | |
---|
| 1528 | // On-screen, so add to hit-test grid... |
---|
| 1529 | int grid_x = int((cx * (HITTEST_SIZE - 1)) / m_XSize); |
---|
| 1530 | int grid_y = int((cy * (HITTEST_SIZE - 1)) / m_YSize); |
---|
| 1531 | |
---|
| 1532 | m_PointGrid[grid_x + grid_y * HITTEST_SIZE].push_back(label); |
---|
| 1533 | } |
---|
| 1534 | |
---|
| 1535 | m_HitTestGridValid = true; |
---|
| 1536 | } |
---|
| 1537 | |
---|
| 1538 | // |
---|
| 1539 | // Methods for controlling the orientation of the survey |
---|
| 1540 | // |
---|
| 1541 | |
---|
| 1542 | void GfxCore::TurnCave(Double angle) |
---|
| 1543 | { |
---|
| 1544 | // Turn the cave around its z-axis by a given angle. |
---|
| 1545 | |
---|
| 1546 | m_PanAngle += angle; |
---|
| 1547 | if (m_PanAngle >= 360.0) { |
---|
| 1548 | m_PanAngle -= 360.0; |
---|
| 1549 | } else if (m_PanAngle < 0.0) { |
---|
| 1550 | m_PanAngle += 360.0; |
---|
| 1551 | } |
---|
| 1552 | |
---|
| 1553 | m_HitTestGridValid = false; |
---|
| 1554 | if (m_here_is_temporary) SetHere(); |
---|
| 1555 | |
---|
| 1556 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
| 1557 | } |
---|
| 1558 | |
---|
| 1559 | void GfxCore::TurnCaveTo(Double angle) |
---|
| 1560 | { |
---|
| 1561 | timer.Start(drawtime); |
---|
| 1562 | int new_switching_to = ((int)angle) / 90 + NORTH; |
---|
| 1563 | if (new_switching_to == m_SwitchingTo) { |
---|
| 1564 | // A second order to switch takes us there right away |
---|
| 1565 | TurnCave(angle - m_PanAngle); |
---|
| 1566 | m_SwitchingTo = 0; |
---|
| 1567 | ForceRefresh(); |
---|
| 1568 | } else { |
---|
| 1569 | m_SwitchingTo = new_switching_to; |
---|
| 1570 | } |
---|
| 1571 | } |
---|
| 1572 | |
---|
| 1573 | void GfxCore::TiltCave(Double tilt_angle) |
---|
| 1574 | { |
---|
| 1575 | // Tilt the cave by a given angle. |
---|
| 1576 | if (m_TiltAngle + tilt_angle > 90.0) { |
---|
| 1577 | m_TiltAngle = 90.0; |
---|
| 1578 | } else if (m_TiltAngle + tilt_angle < -90.0) { |
---|
| 1579 | m_TiltAngle = -90.0; |
---|
| 1580 | } else { |
---|
| 1581 | m_TiltAngle += tilt_angle; |
---|
| 1582 | } |
---|
| 1583 | |
---|
| 1584 | m_HitTestGridValid = false; |
---|
| 1585 | if (m_here_is_temporary) SetHere(); |
---|
| 1586 | |
---|
| 1587 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
| 1588 | } |
---|
| 1589 | |
---|
| 1590 | void GfxCore::TranslateCave(int dx, int dy) |
---|
| 1591 | { |
---|
| 1592 | AddTranslationScreenCoordinates(dx, dy); |
---|
| 1593 | m_HitTestGridValid = false; |
---|
| 1594 | |
---|
| 1595 | if (m_here_is_temporary) SetHere(); |
---|
| 1596 | |
---|
| 1597 | ForceRefresh(); |
---|
| 1598 | } |
---|
| 1599 | |
---|
| 1600 | void GfxCore::DragFinished() |
---|
| 1601 | { |
---|
| 1602 | m_MouseOutsideCompass = m_MouseOutsideElev = false; |
---|
| 1603 | ForceRefresh(); |
---|
| 1604 | } |
---|
| 1605 | |
---|
| 1606 | void GfxCore::ClearCoords() |
---|
| 1607 | { |
---|
| 1608 | m_Parent->ClearCoords(); |
---|
| 1609 | } |
---|
| 1610 | |
---|
| 1611 | void GfxCore::SetCoords(wxPoint point) |
---|
| 1612 | { |
---|
| 1613 | // We can't work out 2D coordinates from a perspective view, and it |
---|
| 1614 | // doesn't really make sense to show coordinates while we're animating. |
---|
| 1615 | if (GetPerspective() || Animating()) return; |
---|
| 1616 | |
---|
| 1617 | // Update the coordinate or altitude display, given the (x, y) position in |
---|
| 1618 | // window coordinates. The relevant display is updated depending on |
---|
| 1619 | // whether we're in plan or elevation view. |
---|
| 1620 | |
---|
| 1621 | double cx, cy, cz; |
---|
| 1622 | |
---|
| 1623 | SetDataTransform(); |
---|
| 1624 | ReverseTransform(point.x, m_YSize - 1 - point.y, &cx, &cy, &cz); |
---|
| 1625 | |
---|
| 1626 | if (ShowingPlan()) { |
---|
| 1627 | m_Parent->SetCoords(cx + m_Parent->GetOffset().GetX(), |
---|
| 1628 | cy + m_Parent->GetOffset().GetY()); |
---|
| 1629 | } else if (ShowingElevation()) { |
---|
| 1630 | m_Parent->SetAltitude(cz + m_Parent->GetOffset().GetZ()); |
---|
| 1631 | } else { |
---|
| 1632 | m_Parent->ClearCoords(); |
---|
| 1633 | } |
---|
| 1634 | } |
---|
| 1635 | |
---|
| 1636 | int GfxCore::GetCompassXPosition() const |
---|
| 1637 | { |
---|
| 1638 | // Return the x-coordinate of the centre of the compass in window |
---|
| 1639 | // coordinates. |
---|
| 1640 | return m_XSize - INDICATOR_OFFSET_X - INDICATOR_BOX_SIZE / 2; |
---|
| 1641 | } |
---|
| 1642 | |
---|
| 1643 | int GfxCore::GetClinoXPosition() const |
---|
| 1644 | { |
---|
| 1645 | // Return the x-coordinate of the centre of the compass in window |
---|
| 1646 | // coordinates. |
---|
| 1647 | return m_XSize - GetClinoOffset() - INDICATOR_BOX_SIZE / 2; |
---|
| 1648 | } |
---|
| 1649 | |
---|
| 1650 | int GfxCore::GetIndicatorYPosition() const |
---|
| 1651 | { |
---|
| 1652 | // Return the y-coordinate of the centre of the indicators in window |
---|
| 1653 | // coordinates. |
---|
| 1654 | return m_YSize - INDICATOR_OFFSET_Y - INDICATOR_BOX_SIZE / 2; |
---|
| 1655 | } |
---|
| 1656 | |
---|
| 1657 | int GfxCore::GetIndicatorRadius() const |
---|
| 1658 | { |
---|
| 1659 | // Return the radius of each indicator. |
---|
| 1660 | return (INDICATOR_BOX_SIZE - INDICATOR_MARGIN * 2) / 2; |
---|
| 1661 | } |
---|
| 1662 | |
---|
| 1663 | bool GfxCore::PointWithinCompass(wxPoint point) const |
---|
| 1664 | { |
---|
| 1665 | // Determine whether a point (in window coordinates) lies within the |
---|
| 1666 | // compass. |
---|
| 1667 | if (!ShowingCompass()) return false; |
---|
| 1668 | |
---|
| 1669 | glaCoord dx = point.x - GetCompassXPosition(); |
---|
| 1670 | glaCoord dy = point.y - GetIndicatorYPosition(); |
---|
| 1671 | glaCoord radius = GetIndicatorRadius(); |
---|
| 1672 | |
---|
| 1673 | return (dx * dx + dy * dy <= radius * radius); |
---|
| 1674 | } |
---|
| 1675 | |
---|
| 1676 | bool GfxCore::PointWithinClino(wxPoint point) const |
---|
| 1677 | { |
---|
| 1678 | // Determine whether a point (in window coordinates) lies within the clino. |
---|
| 1679 | if (!ShowingClino()) return false; |
---|
| 1680 | |
---|
| 1681 | glaCoord dx = point.x - GetClinoXPosition(); |
---|
| 1682 | glaCoord dy = point.y - GetIndicatorYPosition(); |
---|
| 1683 | glaCoord radius = GetIndicatorRadius(); |
---|
| 1684 | |
---|
| 1685 | return (dx * dx + dy * dy <= radius * radius); |
---|
| 1686 | } |
---|
| 1687 | |
---|
| 1688 | bool GfxCore::PointWithinScaleBar(wxPoint point) const |
---|
| 1689 | { |
---|
| 1690 | // Determine whether a point (in window coordinates) lies within the scale |
---|
| 1691 | // bar. |
---|
| 1692 | if (!ShowingScaleBar()) return false; |
---|
| 1693 | |
---|
| 1694 | return (point.x >= SCALE_BAR_OFFSET_X && |
---|
| 1695 | point.x <= SCALE_BAR_OFFSET_X + m_ScaleBarWidth && |
---|
| 1696 | point.y <= m_YSize - SCALE_BAR_OFFSET_Y - SCALE_BAR_HEIGHT && |
---|
| 1697 | point.y >= m_YSize - SCALE_BAR_OFFSET_Y - SCALE_BAR_HEIGHT*2); |
---|
| 1698 | } |
---|
| 1699 | |
---|
| 1700 | void GfxCore::SetCompassFromPoint(wxPoint point) |
---|
| 1701 | { |
---|
| 1702 | // Given a point in window coordinates, set the heading of the survey. If |
---|
| 1703 | // the point is outside the compass, it snaps to 45 degree intervals; |
---|
| 1704 | // otherwise it operates as normal. |
---|
| 1705 | |
---|
| 1706 | wxCoord dx = point.x - GetCompassXPosition(); |
---|
| 1707 | wxCoord dy = point.y - GetIndicatorYPosition(); |
---|
| 1708 | wxCoord radius = GetIndicatorRadius(); |
---|
| 1709 | |
---|
| 1710 | double angle = deg(atan2(double(dx), double(dy))) - 180.0; |
---|
| 1711 | if (dx * dx + dy * dy <= radius * radius) { |
---|
| 1712 | TurnCave(angle - m_PanAngle); |
---|
| 1713 | m_MouseOutsideCompass = false; |
---|
| 1714 | } else { |
---|
| 1715 | TurnCave(int(angle / 45.0) * 45.0 - m_PanAngle); |
---|
| 1716 | m_MouseOutsideCompass = true; |
---|
| 1717 | } |
---|
| 1718 | |
---|
| 1719 | ForceRefresh(); |
---|
| 1720 | } |
---|
| 1721 | |
---|
| 1722 | void GfxCore::SetClinoFromPoint(wxPoint point) |
---|
| 1723 | { |
---|
| 1724 | // Given a point in window coordinates, set the elevation of the survey. |
---|
| 1725 | // If the point is outside the clino, it snaps to 90 degree intervals; |
---|
| 1726 | // otherwise it operates as normal. |
---|
| 1727 | |
---|
| 1728 | glaCoord dx = point.x - GetClinoXPosition(); |
---|
| 1729 | glaCoord dy = point.y - GetIndicatorYPosition(); |
---|
| 1730 | glaCoord radius = GetIndicatorRadius(); |
---|
| 1731 | |
---|
| 1732 | if (dx >= 0 && dx * dx + dy * dy <= radius * radius) { |
---|
| 1733 | TiltCave(deg(atan2(double(dy), double(dx))) - m_TiltAngle); |
---|
| 1734 | m_MouseOutsideElev = false; |
---|
| 1735 | } else if (dy >= INDICATOR_MARGIN) { |
---|
| 1736 | TiltCave(90.0 - m_TiltAngle); |
---|
| 1737 | m_MouseOutsideElev = true; |
---|
| 1738 | } else if (dy <= -INDICATOR_MARGIN) { |
---|
| 1739 | TiltCave(-90.0 - m_TiltAngle); |
---|
| 1740 | m_MouseOutsideElev = true; |
---|
| 1741 | } else { |
---|
| 1742 | TiltCave(-m_TiltAngle); |
---|
| 1743 | m_MouseOutsideElev = true; |
---|
| 1744 | } |
---|
| 1745 | |
---|
| 1746 | ForceRefresh(); |
---|
| 1747 | } |
---|
| 1748 | |
---|
| 1749 | void GfxCore::SetScaleBarFromOffset(wxCoord dx) |
---|
| 1750 | { |
---|
| 1751 | // Set the scale of the survey, given an offset as to how much the mouse has |
---|
| 1752 | // been dragged over the scalebar since the last scale change. |
---|
| 1753 | |
---|
| 1754 | SetScale((m_ScaleBarWidth + dx) * m_Scale / m_ScaleBarWidth); |
---|
| 1755 | ForceRefresh(); |
---|
| 1756 | } |
---|
| 1757 | |
---|
| 1758 | void GfxCore::RedrawIndicators() |
---|
| 1759 | { |
---|
| 1760 | // Redraw the compass and clino indicators. |
---|
| 1761 | |
---|
| 1762 | const wxRect r(m_XSize - INDICATOR_OFFSET_X - INDICATOR_BOX_SIZE*2 - |
---|
| 1763 | INDICATOR_GAP, |
---|
| 1764 | m_YSize - INDICATOR_OFFSET_Y - INDICATOR_BOX_SIZE, |
---|
| 1765 | INDICATOR_BOX_SIZE*2 + INDICATOR_GAP, |
---|
| 1766 | INDICATOR_BOX_SIZE); |
---|
| 1767 | |
---|
| 1768 | Refresh(false, &r); |
---|
| 1769 | } |
---|
| 1770 | |
---|
| 1771 | void GfxCore::StartRotation() |
---|
| 1772 | { |
---|
| 1773 | // Start the survey rotating. |
---|
| 1774 | |
---|
| 1775 | m_Rotating = true; |
---|
| 1776 | timer.Start(drawtime); |
---|
| 1777 | } |
---|
| 1778 | |
---|
| 1779 | void GfxCore::ToggleRotation() |
---|
| 1780 | { |
---|
| 1781 | // Toggle the survey rotation on/off. |
---|
| 1782 | |
---|
| 1783 | if (m_Rotating) { |
---|
| 1784 | StopRotation(); |
---|
| 1785 | } else { |
---|
| 1786 | StartRotation(); |
---|
| 1787 | } |
---|
| 1788 | } |
---|
| 1789 | |
---|
| 1790 | void GfxCore::StopRotation() |
---|
| 1791 | { |
---|
| 1792 | // Stop the survey rotating. |
---|
| 1793 | |
---|
| 1794 | m_Rotating = false; |
---|
| 1795 | ForceRefresh(); |
---|
| 1796 | } |
---|
| 1797 | |
---|
| 1798 | bool GfxCore::IsExtendedElevation() const |
---|
| 1799 | { |
---|
| 1800 | return m_Parent->IsExtendedElevation(); |
---|
| 1801 | } |
---|
| 1802 | |
---|
| 1803 | void GfxCore::ReverseRotation() |
---|
| 1804 | { |
---|
| 1805 | // Reverse the direction of rotation. |
---|
| 1806 | |
---|
| 1807 | m_RotationStep = -m_RotationStep; |
---|
| 1808 | } |
---|
| 1809 | |
---|
| 1810 | void GfxCore::RotateSlower(bool accel) |
---|
| 1811 | { |
---|
| 1812 | // Decrease the speed of rotation, optionally by an increased amount. |
---|
| 1813 | |
---|
| 1814 | m_RotationStep /= accel ? 1.44 : 1.2; |
---|
| 1815 | if (m_RotationStep < 1.0) { |
---|
| 1816 | m_RotationStep = 1.0; |
---|
| 1817 | } |
---|
| 1818 | } |
---|
| 1819 | |
---|
| 1820 | void GfxCore::RotateFaster(bool accel) |
---|
| 1821 | { |
---|
| 1822 | // Increase the speed of rotation, optionally by an increased amount. |
---|
| 1823 | |
---|
| 1824 | m_RotationStep *= accel ? 1.44 : 1.2; |
---|
| 1825 | if (m_RotationStep > 450.0) { |
---|
| 1826 | m_RotationStep = 450.0; |
---|
| 1827 | } |
---|
| 1828 | } |
---|
| 1829 | |
---|
| 1830 | void GfxCore::SwitchToElevation() |
---|
| 1831 | { |
---|
| 1832 | // Perform an animated switch to elevation view. |
---|
| 1833 | |
---|
| 1834 | switch (m_SwitchingTo) { |
---|
| 1835 | case 0: |
---|
| 1836 | timer.Start(drawtime); |
---|
| 1837 | m_SwitchingTo = ELEVATION; |
---|
| 1838 | break; |
---|
| 1839 | |
---|
| 1840 | case PLAN: |
---|
| 1841 | m_SwitchingTo = ELEVATION; |
---|
| 1842 | break; |
---|
| 1843 | |
---|
| 1844 | case ELEVATION: |
---|
| 1845 | // a second order to switch takes us there right away |
---|
| 1846 | TiltCave(-m_TiltAngle); |
---|
| 1847 | m_SwitchingTo = 0; |
---|
| 1848 | ForceRefresh(); |
---|
| 1849 | } |
---|
| 1850 | } |
---|
| 1851 | |
---|
| 1852 | void GfxCore::SwitchToPlan() |
---|
| 1853 | { |
---|
| 1854 | // Perform an animated switch to plan view. |
---|
| 1855 | |
---|
| 1856 | switch (m_SwitchingTo) { |
---|
| 1857 | case 0: |
---|
| 1858 | timer.Start(drawtime); |
---|
| 1859 | m_SwitchingTo = PLAN; |
---|
| 1860 | break; |
---|
| 1861 | |
---|
| 1862 | case ELEVATION: |
---|
| 1863 | m_SwitchingTo = PLAN; |
---|
| 1864 | break; |
---|
| 1865 | |
---|
| 1866 | case PLAN: |
---|
| 1867 | // A second order to switch takes us there right away |
---|
| 1868 | TiltCave(90.0 - m_TiltAngle); |
---|
| 1869 | m_SwitchingTo = 0; |
---|
| 1870 | ForceRefresh(); |
---|
| 1871 | } |
---|
| 1872 | } |
---|
| 1873 | |
---|
| 1874 | void GfxCore::SetViewTo(Double xmin, Double xmax, Double ymin, Double ymax, Double zmin, Double zmax) |
---|
| 1875 | { |
---|
| 1876 | |
---|
| 1877 | SetTranslation(-Vector3((xmin + xmax) / 2, (ymin + ymax) / 2, (zmin + zmax) / 2)); |
---|
| 1878 | Double scale = HUGE_VAL; |
---|
| 1879 | const Vector3 ext = m_Parent->GetExtent(); |
---|
| 1880 | if (xmax > xmin) { |
---|
| 1881 | Double s = ext.GetX() / (xmax - xmin); |
---|
| 1882 | if (s < scale) scale = s; |
---|
| 1883 | } |
---|
| 1884 | if (ymax > ymin) { |
---|
| 1885 | Double s = ext.GetY() / (ymax - ymin); |
---|
| 1886 | if (s < scale) scale = s; |
---|
| 1887 | } |
---|
| 1888 | if (!ShowingPlan() && zmax > zmin) { |
---|
| 1889 | Double s = ext.GetZ() / (zmax - zmin); |
---|
| 1890 | if (s < scale) scale = s; |
---|
| 1891 | } |
---|
| 1892 | if (scale != HUGE_VAL) SetScale(scale); |
---|
| 1893 | ForceRefresh(); |
---|
| 1894 | } |
---|
| 1895 | |
---|
| 1896 | bool GfxCore::CanRaiseViewpoint() const |
---|
| 1897 | { |
---|
| 1898 | // Determine if the survey can be viewed from a higher angle of elevation. |
---|
| 1899 | |
---|
| 1900 | return GetPerspective() ? (m_TiltAngle > -90.0) : (m_TiltAngle < 90.0); |
---|
| 1901 | } |
---|
| 1902 | |
---|
| 1903 | bool GfxCore::CanLowerViewpoint() const |
---|
| 1904 | { |
---|
| 1905 | // Determine if the survey can be viewed from a lower angle of elevation. |
---|
| 1906 | |
---|
| 1907 | return GetPerspective() ? (m_TiltAngle < 90.0) : (m_TiltAngle > -90.0); |
---|
| 1908 | } |
---|
| 1909 | |
---|
| 1910 | bool GfxCore::HasDepth() const |
---|
| 1911 | { |
---|
| 1912 | return m_Parent->GetDepthExtent() == 0.0; |
---|
| 1913 | } |
---|
| 1914 | |
---|
| 1915 | bool GfxCore::HasRangeOfDates() const |
---|
| 1916 | { |
---|
| 1917 | return m_Parent->GetDateExtent() > 0; |
---|
| 1918 | } |
---|
| 1919 | |
---|
| 1920 | bool GfxCore::HasErrorInformation() const |
---|
| 1921 | { |
---|
| 1922 | return m_Parent->HasErrorInformation(); |
---|
| 1923 | } |
---|
| 1924 | |
---|
| 1925 | bool GfxCore::ShowingPlan() const |
---|
| 1926 | { |
---|
| 1927 | // Determine if the survey is in plan view. |
---|
| 1928 | |
---|
| 1929 | return (m_TiltAngle == 90.0); |
---|
| 1930 | } |
---|
| 1931 | |
---|
| 1932 | bool GfxCore::ShowingElevation() const |
---|
| 1933 | { |
---|
| 1934 | // Determine if the survey is in elevation view. |
---|
| 1935 | |
---|
| 1936 | return (m_TiltAngle == 0.0); |
---|
| 1937 | } |
---|
| 1938 | |
---|
| 1939 | bool GfxCore::ShowingMeasuringLine() const |
---|
| 1940 | { |
---|
| 1941 | // Determine if the measuring line is being shown. |
---|
| 1942 | |
---|
| 1943 | return (m_there.IsValid() && m_here.IsValid()); |
---|
| 1944 | } |
---|
| 1945 | |
---|
| 1946 | void GfxCore::ToggleFlag(bool* flag, int update) |
---|
| 1947 | { |
---|
| 1948 | *flag = !*flag; |
---|
| 1949 | if (update == UPDATE_BLOBS) { |
---|
| 1950 | UpdateBlobs(); |
---|
| 1951 | } else if (update == UPDATE_BLOBS_AND_CROSSES) { |
---|
| 1952 | UpdateBlobs(); |
---|
| 1953 | InvalidateList(LIST_CROSSES); |
---|
| 1954 | } |
---|
| 1955 | ForceRefresh(); |
---|
| 1956 | } |
---|
| 1957 | |
---|
| 1958 | int GfxCore::GetNumEntrances() const |
---|
| 1959 | { |
---|
| 1960 | return m_Parent->GetNumEntrances(); |
---|
| 1961 | } |
---|
| 1962 | |
---|
| 1963 | int GfxCore::GetNumFixedPts() const |
---|
| 1964 | { |
---|
| 1965 | return m_Parent->GetNumFixedPts(); |
---|
| 1966 | } |
---|
| 1967 | |
---|
| 1968 | int GfxCore::GetNumExportedPts() const |
---|
| 1969 | { |
---|
| 1970 | return m_Parent->GetNumExportedPts(); |
---|
| 1971 | } |
---|
| 1972 | |
---|
| 1973 | void GfxCore::ClearTreeSelection() |
---|
| 1974 | { |
---|
| 1975 | m_Parent->ClearTreeSelection(); |
---|
| 1976 | } |
---|
| 1977 | |
---|
| 1978 | void GfxCore::CentreOn(const Point &p) |
---|
| 1979 | { |
---|
| 1980 | SetTranslation(-p); |
---|
| 1981 | m_HitTestGridValid = false; |
---|
| 1982 | |
---|
| 1983 | ForceRefresh(); |
---|
| 1984 | } |
---|
| 1985 | |
---|
| 1986 | void GfxCore::ForceRefresh() |
---|
| 1987 | { |
---|
| 1988 | Refresh(false); |
---|
| 1989 | } |
---|
| 1990 | |
---|
| 1991 | void GfxCore::GenerateList(unsigned int l) |
---|
| 1992 | { |
---|
| 1993 | assert(m_HaveData); |
---|
| 1994 | |
---|
| 1995 | switch (l) { |
---|
| 1996 | case LIST_COMPASS: |
---|
| 1997 | DrawCompass(); |
---|
| 1998 | break; |
---|
| 1999 | case LIST_CLINO: |
---|
| 2000 | DrawClino(); |
---|
| 2001 | break; |
---|
| 2002 | case LIST_CLINO_BACK: |
---|
| 2003 | DrawClinoBack(); |
---|
| 2004 | break; |
---|
| 2005 | case LIST_DEPTHBAR: |
---|
| 2006 | DrawDepthbar(); |
---|
| 2007 | break; |
---|
| 2008 | case LIST_DATEBAR: |
---|
| 2009 | DrawDatebar(); |
---|
| 2010 | break; |
---|
| 2011 | case LIST_ERRORBAR: |
---|
| 2012 | DrawErrorbar(); |
---|
| 2013 | break; |
---|
| 2014 | case LIST_UNDERGROUND_LEGS: |
---|
| 2015 | GenerateDisplayList(); |
---|
| 2016 | break; |
---|
| 2017 | case LIST_TUBES: |
---|
| 2018 | GenerateDisplayListTubes(); |
---|
| 2019 | break; |
---|
| 2020 | case LIST_SURFACE_LEGS: |
---|
| 2021 | GenerateDisplayListSurface(); |
---|
| 2022 | break; |
---|
| 2023 | case LIST_BLOBS: |
---|
| 2024 | GenerateBlobsDisplayList(); |
---|
| 2025 | break; |
---|
| 2026 | case LIST_CROSSES: { |
---|
| 2027 | BeginCrosses(); |
---|
| 2028 | SetColour(col_LIGHT_GREY); |
---|
| 2029 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
| 2030 | while (pos != m_Parent->GetLabelsEnd()) { |
---|
| 2031 | const LabelInfo* label = *pos++; |
---|
| 2032 | |
---|
| 2033 | if ((m_Surface && label->IsSurface()) || |
---|
| 2034 | (m_Legs && label->IsUnderground()) || |
---|
| 2035 | (!label->IsSurface() && !label->IsUnderground())) { |
---|
| 2036 | // Check if this station should be displayed |
---|
| 2037 | // (last case is for stns with no legs attached) |
---|
| 2038 | DrawCross(label->GetX(), label->GetY(), label->GetZ()); |
---|
| 2039 | } |
---|
| 2040 | } |
---|
| 2041 | EndCrosses(); |
---|
| 2042 | break; |
---|
| 2043 | } |
---|
| 2044 | case LIST_GRID: |
---|
| 2045 | DrawGrid(); |
---|
| 2046 | break; |
---|
| 2047 | case LIST_SHADOW: |
---|
| 2048 | GenerateDisplayListShadow(); |
---|
| 2049 | break; |
---|
| 2050 | default: |
---|
| 2051 | assert(false); |
---|
| 2052 | break; |
---|
| 2053 | } |
---|
| 2054 | } |
---|
| 2055 | |
---|
| 2056 | void GfxCore::ToggleSmoothShading() |
---|
| 2057 | { |
---|
| 2058 | GLACanvas::ToggleSmoothShading(); |
---|
| 2059 | InvalidateList(LIST_TUBES); |
---|
| 2060 | ForceRefresh(); |
---|
| 2061 | } |
---|
| 2062 | |
---|
| 2063 | void GfxCore::GenerateDisplayList() |
---|
| 2064 | { |
---|
| 2065 | // Generate the display list for the underground legs. |
---|
| 2066 | list<traverse>::const_iterator trav = m_Parent->traverses_begin(); |
---|
| 2067 | list<traverse>::const_iterator tend = m_Parent->traverses_end(); |
---|
| 2068 | while (trav != tend) { |
---|
| 2069 | (this->*AddPoly)(*trav); |
---|
| 2070 | ++trav; |
---|
| 2071 | } |
---|
| 2072 | } |
---|
| 2073 | |
---|
| 2074 | void GfxCore::GenerateDisplayListTubes() |
---|
| 2075 | { |
---|
| 2076 | // Generate the display list for the tubes. |
---|
| 2077 | list<vector<XSect> >::const_iterator trav = m_Parent->tubes_begin(); |
---|
| 2078 | list<vector<XSect> >::const_iterator tend = m_Parent->tubes_end(); |
---|
| 2079 | while (trav != tend) { |
---|
| 2080 | SkinPassage(*trav); |
---|
| 2081 | ++trav; |
---|
| 2082 | } |
---|
| 2083 | } |
---|
| 2084 | |
---|
| 2085 | void GfxCore::GenerateDisplayListSurface() |
---|
| 2086 | { |
---|
| 2087 | // Generate the display list for the surface legs. |
---|
| 2088 | EnableDashedLines(); |
---|
| 2089 | list<traverse>::const_iterator trav = m_Parent->surface_traverses_begin(); |
---|
| 2090 | list<traverse>::const_iterator tend = m_Parent->surface_traverses_end(); |
---|
| 2091 | while (trav != tend) { |
---|
| 2092 | if (m_ColourBy == COLOUR_BY_ERROR) { |
---|
| 2093 | AddPolylineError(*trav); |
---|
| 2094 | } else { |
---|
| 2095 | AddPolyline(*trav); |
---|
| 2096 | } |
---|
| 2097 | ++trav; |
---|
| 2098 | } |
---|
| 2099 | DisableDashedLines(); |
---|
| 2100 | } |
---|
| 2101 | |
---|
| 2102 | void GfxCore::GenerateDisplayListShadow() |
---|
| 2103 | { |
---|
| 2104 | SetColour(col_BLACK); |
---|
| 2105 | list<traverse>::const_iterator trav = m_Parent->traverses_begin(); |
---|
| 2106 | list<traverse>::const_iterator tend = m_Parent->traverses_end(); |
---|
| 2107 | while (trav != tend) { |
---|
| 2108 | AddPolylineShadow(*trav); |
---|
| 2109 | ++trav; |
---|
| 2110 | } |
---|
| 2111 | } |
---|
| 2112 | |
---|
| 2113 | // Plot blobs. |
---|
| 2114 | void GfxCore::GenerateBlobsDisplayList() |
---|
| 2115 | { |
---|
| 2116 | if (!(m_Entrances || m_FixedPts || m_ExportedPts || |
---|
| 2117 | m_Parent->GetNumHighlightedPts())) |
---|
| 2118 | return; |
---|
| 2119 | |
---|
| 2120 | // Plot blobs. |
---|
| 2121 | gla_colour prev_col = col_BLACK; // not a colour used for blobs |
---|
| 2122 | list<LabelInfo*>::const_iterator pos = m_Parent->GetLabels(); |
---|
| 2123 | BeginBlobs(); |
---|
| 2124 | while (pos != m_Parent->GetLabelsEnd()) { |
---|
| 2125 | const LabelInfo* label = *pos++; |
---|
| 2126 | |
---|
| 2127 | // When more than one flag is set on a point: |
---|
| 2128 | // search results take priority over entrance highlighting |
---|
| 2129 | // which takes priority over fixed point |
---|
| 2130 | // highlighting, which in turn takes priority over exported |
---|
| 2131 | // point highlighting. |
---|
| 2132 | |
---|
| 2133 | if (!((m_Surface && label->IsSurface()) || |
---|
| 2134 | (m_Legs && label->IsUnderground()) || |
---|
| 2135 | (!label->IsSurface() && !label->IsUnderground()))) { |
---|
| 2136 | // if this station isn't to be displayed, skip to the next |
---|
| 2137 | // (last case is for stns with no legs attached) |
---|
| 2138 | continue; |
---|
| 2139 | } |
---|
| 2140 | |
---|
| 2141 | gla_colour col; |
---|
| 2142 | |
---|
| 2143 | if (label->IsHighLighted()) { |
---|
| 2144 | col = col_YELLOW; |
---|
| 2145 | } else if (m_Entrances && label->IsEntrance()) { |
---|
| 2146 | col = col_GREEN; |
---|
| 2147 | } else if (m_FixedPts && label->IsFixedPt()) { |
---|
| 2148 | col = col_RED; |
---|
| 2149 | } else if (m_ExportedPts && label->IsExportedPt()) { |
---|
| 2150 | col = col_TURQUOISE; |
---|
| 2151 | } else { |
---|
| 2152 | continue; |
---|
| 2153 | } |
---|
| 2154 | |
---|
| 2155 | // Stations are sorted by blob type, so colour changes are infrequent. |
---|
| 2156 | if (col != prev_col) { |
---|
| 2157 | SetColour(col); |
---|
| 2158 | prev_col = col; |
---|
| 2159 | } |
---|
| 2160 | DrawBlob(label->GetX(), label->GetY(), label->GetZ()); |
---|
| 2161 | } |
---|
| 2162 | EndBlobs(); |
---|
| 2163 | } |
---|
| 2164 | |
---|
| 2165 | void GfxCore::DrawIndicators() |
---|
| 2166 | { |
---|
| 2167 | // Draw depthbar. |
---|
| 2168 | if (m_Depthbar) { |
---|
| 2169 | if (m_ColourBy == COLOUR_BY_DEPTH && m_Parent->GetDepthExtent() != 0.0) { |
---|
| 2170 | DrawList2D(LIST_DEPTHBAR, m_XSize, m_YSize, 0); |
---|
| 2171 | } else if (m_ColourBy == COLOUR_BY_DATE && m_Parent->GetDateExtent()) { |
---|
| 2172 | DrawList2D(LIST_DATEBAR, m_XSize, m_YSize, 0); |
---|
| 2173 | } else if (m_ColourBy == COLOUR_BY_ERROR && m_Parent->HasErrorInformation()) { |
---|
| 2174 | DrawList2D(LIST_ERRORBAR, m_XSize, m_YSize, 0); |
---|
| 2175 | } |
---|
| 2176 | } |
---|
| 2177 | |
---|
| 2178 | // Draw compass or elevation/heading indicators. |
---|
| 2179 | if (m_Compass || m_Clino) { |
---|
| 2180 | if (!m_Parent->IsExtendedElevation()) Draw2dIndicators(); |
---|
| 2181 | } |
---|
| 2182 | |
---|
| 2183 | // Draw scalebar. |
---|
| 2184 | if (m_Scalebar) { |
---|
| 2185 | DrawScalebar(); |
---|
| 2186 | } |
---|
| 2187 | } |
---|
| 2188 | |
---|
| 2189 | void GfxCore::PlaceVertexWithColour(const Vector3 & v, Double factor) |
---|
| 2190 | { |
---|
| 2191 | SetColour(GetSurfacePen(), factor); // FIXME : assumes surface pen is white! |
---|
| 2192 | PlaceVertex(v); |
---|
| 2193 | } |
---|
| 2194 | |
---|
| 2195 | void GfxCore::PlaceVertexWithDepthColour(const Vector3 &v, Double factor) |
---|
| 2196 | { |
---|
| 2197 | // Set the drawing colour based on the altitude. |
---|
| 2198 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
| 2199 | assert(z_ext > 0); |
---|
| 2200 | |
---|
| 2201 | Double z = v.GetZ() - m_Parent->GetDepthMin(); |
---|
| 2202 | // points arising from tubes may be slightly outside the limits... |
---|
| 2203 | if (z < 0) z = 0; |
---|
| 2204 | if (z > z_ext) z = z_ext; |
---|
| 2205 | |
---|
| 2206 | Double how_far = z / z_ext; |
---|
| 2207 | assert(how_far >= 0.0); |
---|
| 2208 | assert(how_far <= 1.0); |
---|
| 2209 | |
---|
| 2210 | int band = int(floor(how_far * (GetNumDepthBands() - 1))); |
---|
| 2211 | GLAPen pen1 = GetPen(band); |
---|
| 2212 | if (band < GetNumDepthBands() - 1) { |
---|
| 2213 | const GLAPen& pen2 = GetPen(band + 1); |
---|
| 2214 | |
---|
| 2215 | Double interval = z_ext / (GetNumDepthBands() - 1); |
---|
| 2216 | Double into_band = z / interval - band; |
---|
| 2217 | |
---|
| 2218 | // printf("%g z_offset=%g interval=%g band=%d\n", into_band, |
---|
| 2219 | // z_offset, interval, band); |
---|
| 2220 | // FIXME: why do we need to clamp here? Is it because the walls can |
---|
| 2221 | // extend further up/down than the centre-line? |
---|
| 2222 | if (into_band < 0.0) into_band = 0.0; |
---|
| 2223 | if (into_band > 1.0) into_band = 1.0; |
---|
| 2224 | assert(into_band >= 0.0); |
---|
| 2225 | assert(into_band <= 1.0); |
---|
| 2226 | |
---|
| 2227 | pen1.Interpolate(pen2, into_band); |
---|
| 2228 | } |
---|
| 2229 | SetColour(pen1, factor); |
---|
| 2230 | |
---|
| 2231 | PlaceVertex(v); |
---|
| 2232 | } |
---|
| 2233 | |
---|
| 2234 | void GfxCore::SplitLineAcrossBands(int band, int band2, |
---|
| 2235 | const Vector3 &p, const Vector3 &q, |
---|
| 2236 | Double factor) |
---|
| 2237 | { |
---|
| 2238 | const int step = (band < band2) ? 1 : -1; |
---|
| 2239 | for (int i = band; i != band2; i += step) { |
---|
| 2240 | const Double z = GetDepthBoundaryBetweenBands(i, i + step); |
---|
| 2241 | |
---|
| 2242 | // Find the intersection point of the line p -> q |
---|
| 2243 | // with the plane parallel to the xy-plane with z-axis intersection z. |
---|
| 2244 | assert(q.GetZ() - p.GetZ() != 0.0); |
---|
| 2245 | |
---|
| 2246 | const Double t = (z - p.GetZ()) / (q.GetZ() - p.GetZ()); |
---|
| 2247 | // assert(0.0 <= t && t <= 1.0); FIXME: rounding problems! |
---|
| 2248 | |
---|
| 2249 | const Double x = p.GetX() + t * (q.GetX() - p.GetX()); |
---|
| 2250 | const Double y = p.GetY() + t * (q.GetY() - p.GetY()); |
---|
| 2251 | |
---|
| 2252 | PlaceVertexWithDepthColour(Vector3(x, y, z), factor); |
---|
| 2253 | } |
---|
| 2254 | } |
---|
| 2255 | |
---|
| 2256 | int GfxCore::GetDepthColour(Double z) const |
---|
| 2257 | { |
---|
| 2258 | // Return the (0-based) depth colour band index for a z-coordinate. |
---|
| 2259 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
| 2260 | assert(z_ext > 0); |
---|
| 2261 | z -= m_Parent->GetDepthMin(); |
---|
| 2262 | z += z_ext / 2; |
---|
| 2263 | return int(z / z_ext * (GetNumDepthBands() - 1)); |
---|
| 2264 | } |
---|
| 2265 | |
---|
| 2266 | Double GfxCore::GetDepthBoundaryBetweenBands(int a, int b) const |
---|
| 2267 | { |
---|
| 2268 | // Return the z-coordinate of the depth colour boundary between |
---|
| 2269 | // two adjacent depth colour bands (specified by 0-based indices). |
---|
| 2270 | |
---|
| 2271 | assert((a == b - 1) || (a == b + 1)); |
---|
| 2272 | if (GetNumDepthBands() == 1) return 0; |
---|
| 2273 | |
---|
| 2274 | int band = (a > b) ? a : b; // boundary N lies on the bottom of band N. |
---|
| 2275 | Double z_ext = m_Parent->GetDepthExtent(); |
---|
| 2276 | return (z_ext * band / (GetNumDepthBands() - 1)) - z_ext / 2 |
---|
| 2277 | + m_Parent->GetDepthMin(); |
---|
| 2278 | } |
---|
| 2279 | |
---|
| 2280 | void GfxCore::AddPolyline(const traverse & centreline) |
---|
| 2281 | { |
---|
| 2282 | BeginPolyline(); |
---|
| 2283 | SetColour(GetSurfacePen()); |
---|
| 2284 | vector<PointInfo>::const_iterator i = centreline.begin(); |
---|
| 2285 | PlaceVertex(*i); |
---|
| 2286 | ++i; |
---|
| 2287 | while (i != centreline.end()) { |
---|
| 2288 | PlaceVertex(*i); |
---|
| 2289 | ++i; |
---|
| 2290 | } |
---|
| 2291 | EndPolyline(); |
---|
| 2292 | } |
---|
| 2293 | |
---|
| 2294 | void GfxCore::AddPolylineShadow(const traverse & centreline) |
---|
| 2295 | { |
---|
| 2296 | BeginPolyline(); |
---|
| 2297 | const double z = -0.5 * m_Parent->GetZExtent(); |
---|
| 2298 | vector<PointInfo>::const_iterator i = centreline.begin(); |
---|
| 2299 | PlaceVertex(i->GetX(), i->GetY(), z); |
---|
| 2300 | ++i; |
---|
| 2301 | while (i != centreline.end()) { |
---|
| 2302 | PlaceVertex(i->GetX(), i->GetY(), z); |
---|
| 2303 | ++i; |
---|
| 2304 | } |
---|
| 2305 | EndPolyline(); |
---|
| 2306 | } |
---|
| 2307 | |
---|
| 2308 | void GfxCore::AddPolylineDepth(const traverse & centreline) |
---|
| 2309 | { |
---|
| 2310 | BeginPolyline(); |
---|
| 2311 | vector<PointInfo>::const_iterator i, prev_i; |
---|
| 2312 | i = centreline.begin(); |
---|
| 2313 | int band0 = GetDepthColour(i->GetZ()); |
---|
| 2314 | PlaceVertexWithDepthColour(*i); |
---|
| 2315 | prev_i = i; |
---|
| 2316 | ++i; |
---|
| 2317 | while (i != centreline.end()) { |
---|
| 2318 | int band = GetDepthColour(i->GetZ()); |
---|
| 2319 | if (band != band0) { |
---|
| 2320 | SplitLineAcrossBands(band0, band, *prev_i, *i); |
---|
| 2321 | band0 = band; |
---|
| 2322 | } |
---|
| 2323 | PlaceVertexWithDepthColour(*i); |
---|
| 2324 | prev_i = i; |
---|
| 2325 | ++i; |
---|
| 2326 | } |
---|
| 2327 | EndPolyline(); |
---|
| 2328 | } |
---|
| 2329 | |
---|
| 2330 | void GfxCore::AddQuadrilateral(const Vector3 &a, const Vector3 &b, |
---|
| 2331 | const Vector3 &c, const Vector3 &d) |
---|
| 2332 | { |
---|
| 2333 | Vector3 normal = (a - c) * (d - b); |
---|
| 2334 | normal.normalise(); |
---|
| 2335 | Double factor = dot(normal, light) * .3 + .7; |
---|
| 2336 | int w = int(ceil(((b - a).magnitude() + (d - c).magnitude()) / 2)); |
---|
| 2337 | int h = int(ceil(((b - c).magnitude() + (d - a).magnitude()) / 2)); |
---|
| 2338 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
| 2339 | BeginQuadrilaterals(); |
---|
| 2340 | // FIXME: these glTexCoord2i calls should be in gla-gl.cc |
---|
| 2341 | glTexCoord2i(0, 0); |
---|
| 2342 | PlaceVertexWithColour(a, factor); |
---|
| 2343 | glTexCoord2i(w, 0); |
---|
| 2344 | PlaceVertexWithColour(b, factor); |
---|
| 2345 | glTexCoord2i(w, h); |
---|
| 2346 | PlaceVertexWithColour(c, factor); |
---|
| 2347 | glTexCoord2i(0, h); |
---|
| 2348 | PlaceVertexWithColour(d, factor); |
---|
| 2349 | EndQuadrilaterals(); |
---|
| 2350 | } |
---|
| 2351 | |
---|
| 2352 | void GfxCore::AddQuadrilateralDepth(const Vector3 &a, const Vector3 &b, |
---|
| 2353 | const Vector3 &c, const Vector3 &d) |
---|
| 2354 | { |
---|
| 2355 | Vector3 normal = (a - c) * (d - b); |
---|
| 2356 | normal.normalise(); |
---|
| 2357 | Double factor = dot(normal, light) * .3 + .7; |
---|
| 2358 | int a_band, b_band, c_band, d_band; |
---|
| 2359 | a_band = GetDepthColour(a.GetZ()); |
---|
| 2360 | a_band = min(max(a_band, 0), GetNumDepthBands()); |
---|
| 2361 | b_band = GetDepthColour(b.GetZ()); |
---|
| 2362 | b_band = min(max(b_band, 0), GetNumDepthBands()); |
---|
| 2363 | c_band = GetDepthColour(c.GetZ()); |
---|
| 2364 | c_band = min(max(c_band, 0), GetNumDepthBands()); |
---|
| 2365 | d_band = GetDepthColour(d.GetZ()); |
---|
| 2366 | d_band = min(max(d_band, 0), GetNumDepthBands()); |
---|
| 2367 | // All this splitting is incorrect - we need to make a separate polygon |
---|
| 2368 | // for each depth band... |
---|
| 2369 | int w = int(ceil(((b - a).magnitude() + (d - c).magnitude()) / 2)); |
---|
| 2370 | int h = int(ceil(((b - c).magnitude() + (d - a).magnitude()) / 2)); |
---|
| 2371 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
| 2372 | BeginPolygon(); |
---|
| 2373 | //// PlaceNormal(normal); |
---|
| 2374 | // FIXME: these glTexCoord2i calls should be in gla-gl.cc |
---|
| 2375 | glTexCoord2i(0, 0); |
---|
| 2376 | PlaceVertexWithDepthColour(a, factor); |
---|
| 2377 | if (a_band != b_band) { |
---|
| 2378 | SplitLineAcrossBands(a_band, b_band, a, b, factor); |
---|
| 2379 | } |
---|
| 2380 | glTexCoord2i(w, 0); |
---|
| 2381 | PlaceVertexWithDepthColour(b, factor); |
---|
| 2382 | if (b_band != c_band) { |
---|
| 2383 | SplitLineAcrossBands(b_band, c_band, b, c, factor); |
---|
| 2384 | } |
---|
| 2385 | glTexCoord2i(w, h); |
---|
| 2386 | PlaceVertexWithDepthColour(c, factor); |
---|
| 2387 | if (c_band != d_band) { |
---|
| 2388 | SplitLineAcrossBands(c_band, d_band, c, d, factor); |
---|
| 2389 | } |
---|
| 2390 | glTexCoord2i(0, h); |
---|
| 2391 | PlaceVertexWithDepthColour(d, factor); |
---|
| 2392 | if (d_band != a_band) { |
---|
| 2393 | SplitLineAcrossBands(d_band, a_band, d, a, factor); |
---|
| 2394 | } |
---|
| 2395 | EndPolygon(); |
---|
| 2396 | } |
---|
| 2397 | |
---|
| 2398 | void GfxCore::SetColourFromDate(int date, Double factor) |
---|
| 2399 | { |
---|
| 2400 | // Set the drawing colour based on a date. |
---|
| 2401 | |
---|
| 2402 | if (date == -1) { |
---|
| 2403 | SetColour(GetSurfacePen(), factor); |
---|
| 2404 | return; |
---|
| 2405 | } |
---|
| 2406 | |
---|
| 2407 | int date_ext = m_Parent->GetDateExtent(); |
---|
| 2408 | assert(date_ext > 0); |
---|
| 2409 | int date_offset = date - m_Parent->GetDateMin(); |
---|
| 2410 | |
---|
| 2411 | Double how_far = (Double)date_offset / date_ext; |
---|
| 2412 | assert(how_far >= 0.0); |
---|
| 2413 | assert(how_far <= 1.0); |
---|
| 2414 | |
---|
| 2415 | int band = int(floor(how_far * (GetNumDepthBands() - 1))); |
---|
| 2416 | GLAPen pen1 = GetPen(band); |
---|
| 2417 | if (band < GetNumDepthBands() - 1) { |
---|
| 2418 | const GLAPen& pen2 = GetPen(band + 1); |
---|
| 2419 | |
---|
| 2420 | Double interval = date_ext / (GetNumDepthBands() - 1); |
---|
| 2421 | Double into_band = date_offset / interval - band; |
---|
| 2422 | |
---|
| 2423 | // printf("%g z_offset=%g interval=%g band=%d\n", into_band, |
---|
| 2424 | // z_offset, interval, band); |
---|
| 2425 | // FIXME: why do we need to clamp here? Is it because the walls can |
---|
| 2426 | // extend further up/down than the centre-line? |
---|
| 2427 | if (into_band < 0.0) into_band = 0.0; |
---|
| 2428 | if (into_band > 1.0) into_band = 1.0; |
---|
| 2429 | assert(into_band >= 0.0); |
---|
| 2430 | assert(into_band <= 1.0); |
---|
| 2431 | |
---|
| 2432 | pen1.Interpolate(pen2, into_band); |
---|
| 2433 | } |
---|
| 2434 | SetColour(pen1, factor); |
---|
| 2435 | } |
---|
| 2436 | |
---|
| 2437 | void GfxCore::AddPolylineDate(const traverse & centreline) |
---|
| 2438 | { |
---|
| 2439 | BeginPolyline(); |
---|
| 2440 | vector<PointInfo>::const_iterator i, prev_i; |
---|
| 2441 | i = centreline.begin(); |
---|
| 2442 | int date = i->GetDate(); |
---|
| 2443 | SetColourFromDate(date, 1.0); |
---|
| 2444 | PlaceVertex(*i); |
---|
| 2445 | prev_i = i; |
---|
| 2446 | while (++i != centreline.end()) { |
---|
| 2447 | int newdate = i->GetDate(); |
---|
| 2448 | if (newdate != date) { |
---|
| 2449 | EndPolyline(); |
---|
| 2450 | BeginPolyline(); |
---|
| 2451 | date = newdate; |
---|
| 2452 | SetColourFromDate(date, 1.0); |
---|
| 2453 | PlaceVertex(*prev_i); |
---|
| 2454 | } |
---|
| 2455 | PlaceVertex(*i); |
---|
| 2456 | prev_i = i; |
---|
| 2457 | } |
---|
| 2458 | EndPolyline(); |
---|
| 2459 | } |
---|
| 2460 | |
---|
| 2461 | static int static_date_hack; // FIXME |
---|
| 2462 | |
---|
| 2463 | void GfxCore::AddQuadrilateralDate(const Vector3 &a, const Vector3 &b, |
---|
| 2464 | const Vector3 &c, const Vector3 &d) |
---|
| 2465 | { |
---|
| 2466 | Vector3 normal = (a - c) * (d - b); |
---|
| 2467 | normal.normalise(); |
---|
| 2468 | Double factor = dot(normal, light) * .3 + .7; |
---|
| 2469 | int w = int(ceil(((b - a).magnitude() + (d - c).magnitude()) / 2)); |
---|
| 2470 | int h = int(ceil(((b - c).magnitude() + (d - a).magnitude()) / 2)); |
---|
| 2471 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
| 2472 | BeginPolygon(); |
---|
| 2473 | //// PlaceNormal(normal); |
---|
| 2474 | SetColourFromDate(static_date_hack, factor); |
---|
| 2475 | // FIXME: these glTexCoord2i calls should be in gla-gl.cc |
---|
| 2476 | glTexCoord2i(0, 0); |
---|
| 2477 | PlaceVertex(a); |
---|
| 2478 | glTexCoord2i(w, 0); |
---|
| 2479 | PlaceVertex(b); |
---|
| 2480 | glTexCoord2i(w, h); |
---|
| 2481 | PlaceVertex(c); |
---|
| 2482 | glTexCoord2i(0, h); |
---|
| 2483 | PlaceVertex(d); |
---|
| 2484 | EndPolygon(); |
---|
| 2485 | } |
---|
| 2486 | |
---|
| 2487 | static double static_E_hack; // FIXME |
---|
| 2488 | |
---|
| 2489 | void GfxCore::SetColourFromError(double E, Double factor) |
---|
| 2490 | { |
---|
| 2491 | // Set the drawing colour based on an error value. |
---|
| 2492 | |
---|
| 2493 | if (E < 0) { |
---|
| 2494 | SetColour(GetSurfacePen(), factor); |
---|
| 2495 | return; |
---|
| 2496 | } |
---|
| 2497 | |
---|
| 2498 | Double how_far = E / MAX_ERROR; |
---|
| 2499 | assert(how_far >= 0.0); |
---|
| 2500 | if (how_far > 1.0) how_far = 1.0; |
---|
| 2501 | |
---|
| 2502 | int band = int(floor(how_far * (GetNumDepthBands() - 1))); |
---|
| 2503 | GLAPen pen1 = GetPen(band); |
---|
| 2504 | if (band < GetNumDepthBands() - 1) { |
---|
| 2505 | const GLAPen& pen2 = GetPen(band + 1); |
---|
| 2506 | |
---|
| 2507 | Double interval = MAX_ERROR / (GetNumDepthBands() - 1); |
---|
| 2508 | Double into_band = E / interval - band; |
---|
| 2509 | |
---|
| 2510 | // printf("%g z_offset=%g interval=%g band=%d\n", into_band, |
---|
| 2511 | // z_offset, interval, band); |
---|
| 2512 | // FIXME: why do we need to clamp here? Is it because the walls can |
---|
| 2513 | // extend further up/down than the centre-line? |
---|
| 2514 | if (into_band < 0.0) into_band = 0.0; |
---|
| 2515 | if (into_band > 1.0) into_band = 1.0; |
---|
| 2516 | assert(into_band >= 0.0); |
---|
| 2517 | assert(into_band <= 1.0); |
---|
| 2518 | |
---|
| 2519 | pen1.Interpolate(pen2, into_band); |
---|
| 2520 | } |
---|
| 2521 | SetColour(pen1, factor); |
---|
| 2522 | } |
---|
| 2523 | |
---|
| 2524 | void GfxCore::AddQuadrilateralError(const Vector3 &a, const Vector3 &b, |
---|
| 2525 | const Vector3 &c, const Vector3 &d) |
---|
| 2526 | { |
---|
| 2527 | Vector3 normal = (a - c) * (d - b); |
---|
| 2528 | normal.normalise(); |
---|
| 2529 | Double factor = dot(normal, light) * .3 + .7; |
---|
| 2530 | int w = int(ceil(((b - a).magnitude() + (d - c).magnitude()) / 2)); |
---|
| 2531 | int h = int(ceil(((b - c).magnitude() + (d - a).magnitude()) / 2)); |
---|
| 2532 | // FIXME: should plot triangles instead to avoid rendering glitches. |
---|
| 2533 | BeginPolygon(); |
---|
| 2534 | //// PlaceNormal(normal); |
---|
| 2535 | SetColourFromError(static_E_hack, factor); |
---|
| 2536 | // FIXME: these glTexCoord2i calls should be in gla-gl.cc |
---|
| 2537 | glTexCoord2i(0, 0); |
---|
| 2538 | PlaceVertex(a); |
---|
| 2539 | glTexCoord2i(w, 0); |
---|
| 2540 | PlaceVertex(b); |
---|
| 2541 | glTexCoord2i(w, h); |
---|
| 2542 | PlaceVertex(c); |
---|
| 2543 | glTexCoord2i(0, h); |
---|
| 2544 | PlaceVertex(d); |
---|
| 2545 | EndPolygon(); |
---|
| 2546 | } |
---|
| 2547 | |
---|
| 2548 | void GfxCore::AddPolylineError(const traverse & centreline) |
---|
| 2549 | { |
---|
| 2550 | BeginPolyline(); |
---|
| 2551 | SetColourFromError(centreline.E, 1.0); |
---|
| 2552 | vector<PointInfo>::const_iterator i; |
---|
| 2553 | for(i = centreline.begin(); i != centreline.end(); ++i) { |
---|
| 2554 | PlaceVertex(*i); |
---|
| 2555 | } |
---|
| 2556 | EndPolyline(); |
---|
| 2557 | } |
---|
| 2558 | |
---|
| 2559 | void |
---|
| 2560 | GfxCore::SkinPassage(const vector<XSect> & centreline) |
---|
| 2561 | { |
---|
| 2562 | assert(centreline.size() > 1); |
---|
| 2563 | Vector3 U[4]; |
---|
| 2564 | XSect prev_pt_v; |
---|
| 2565 | Vector3 last_right(1.0, 0.0, 0.0); |
---|
| 2566 | |
---|
| 2567 | // FIXME: it's not simple to set the colour of a tube based on error... |
---|
| 2568 | // static_E_hack = something... |
---|
| 2569 | vector<XSect>::const_iterator i = centreline.begin(); |
---|
| 2570 | vector<XSect>::size_type segment = 0; |
---|
| 2571 | while (i != centreline.end()) { |
---|
| 2572 | // get the coordinates of this vertex |
---|
| 2573 | const XSect & pt_v = *i++; |
---|
| 2574 | |
---|
| 2575 | double z_pitch_adjust = 0.0; |
---|
| 2576 | bool cover_end = false; |
---|
| 2577 | |
---|
| 2578 | Vector3 right, up; |
---|
| 2579 | |
---|
| 2580 | const Vector3 up_v(0.0, 0.0, 1.0); |
---|
| 2581 | |
---|
| 2582 | if (segment == 0) { |
---|
| 2583 | assert(i != centreline.end()); |
---|
| 2584 | // first segment |
---|
| 2585 | |
---|
| 2586 | // get the coordinates of the next vertex |
---|
| 2587 | const XSect & next_pt_v = *i; |
---|
| 2588 | |
---|
| 2589 | // calculate vector from this pt to the next one |
---|
| 2590 | Vector3 leg_v = next_pt_v - pt_v; |
---|
| 2591 | |
---|
| 2592 | // obtain a vector in the LRUD plane |
---|
| 2593 | right = leg_v * up_v; |
---|
| 2594 | if (right.magnitude() == 0) { |
---|
| 2595 | right = last_right; |
---|
| 2596 | // Obtain a second vector in the LRUD plane, |
---|
| 2597 | // perpendicular to the first. |
---|
| 2598 | //up = right * leg_v; |
---|
| 2599 | up = up_v; |
---|
| 2600 | } else { |
---|
| 2601 | last_right = right; |
---|
| 2602 | up = up_v; |
---|
| 2603 | } |
---|
| 2604 | |
---|
| 2605 | cover_end = true; |
---|
| 2606 | static_date_hack = next_pt_v.GetDate(); |
---|
| 2607 | } else if (segment + 1 == centreline.size()) { |
---|
| 2608 | // last segment |
---|
| 2609 | |
---|
| 2610 | // Calculate vector from the previous pt to this one. |
---|
| 2611 | Vector3 leg_v = pt_v - prev_pt_v; |
---|
| 2612 | |
---|
| 2613 | // Obtain a horizontal vector in the LRUD plane. |
---|
| 2614 | right = leg_v * up_v; |
---|
| 2615 | if (right.magnitude() == 0) { |
---|
| 2616 | right = Vector3(last_right.GetX(), last_right.GetY(), 0.0); |
---|
| 2617 | // Obtain a second vector in the LRUD plane, |
---|
| 2618 | // perpendicular to the first. |
---|
| 2619 | //up = right * leg_v; |
---|
| 2620 | up = up_v; |
---|
| 2621 | } else { |
---|
| 2622 | last_right = right; |
---|
| 2623 | up = up_v; |
---|
| 2624 | } |
---|
| 2625 | |
---|
| 2626 | cover_end = true; |
---|
| 2627 | static_date_hack = pt_v.GetDate(); |
---|
| 2628 | } else { |
---|
| 2629 | assert(i != centreline.end()); |
---|
| 2630 | // Intermediate segment. |
---|
| 2631 | |
---|
| 2632 | // Get the coordinates of the next vertex. |
---|
| 2633 | const XSect & next_pt_v = *i; |
---|
| 2634 | |
---|
| 2635 | // Calculate vectors from this vertex to the |
---|
| 2636 | // next vertex, and from the previous vertex to |
---|
| 2637 | // this one. |
---|
| 2638 | Vector3 leg1_v = pt_v - prev_pt_v; |
---|
| 2639 | Vector3 leg2_v = next_pt_v - pt_v; |
---|
| 2640 | |
---|
| 2641 | // Obtain horizontal vectors perpendicular to |
---|
| 2642 | // both legs, then normalise and average to get |
---|
| 2643 | // a horizontal bisector. |
---|
| 2644 | Vector3 r1 = leg1_v * up_v; |
---|
| 2645 | Vector3 r2 = leg2_v * up_v; |
---|
| 2646 | r1.normalise(); |
---|
| 2647 | r2.normalise(); |
---|
| 2648 | right = r1 + r2; |
---|
| 2649 | if (right.magnitude() == 0) { |
---|
| 2650 | // This is the "mid-pitch" case... |
---|
| 2651 | right = last_right; |
---|
| 2652 | } |
---|
| 2653 | if (r1.magnitude() == 0) { |
---|
| 2654 | Vector3 n = leg1_v; |
---|
| 2655 | n.normalise(); |
---|
| 2656 | z_pitch_adjust = n.GetZ(); |
---|
| 2657 | //up = Vector3(0, 0, leg1_v.GetZ()); |
---|
| 2658 | //up = right * up; |
---|
| 2659 | up = up_v; |
---|
| 2660 | |
---|
| 2661 | // Rotate pitch section to minimise the |
---|
| 2662 | // "tortional stress" - FIXME: use |
---|
| 2663 | // triangles instead of rectangles? |
---|
| 2664 | int shift = 0; |
---|
| 2665 | Double maxdotp = 0; |
---|
| 2666 | |
---|
| 2667 | // Scale to unit vectors in the LRUD plane. |
---|
| 2668 | right.normalise(); |
---|
| 2669 | up.normalise(); |
---|
| 2670 | Vector3 vec = up - right; |
---|
| 2671 | for (int orient = 0; orient <= 3; ++orient) { |
---|
| 2672 | Vector3 tmp = U[orient] - prev_pt_v; |
---|
| 2673 | tmp.normalise(); |
---|
| 2674 | Double dotp = dot(vec, tmp); |
---|
| 2675 | if (dotp > maxdotp) { |
---|
| 2676 | maxdotp = dotp; |
---|
| 2677 | shift = orient; |
---|
| 2678 | } |
---|
| 2679 | } |
---|
| 2680 | if (shift) { |
---|
| 2681 | if (shift != 2) { |
---|
| 2682 | Vector3 temp(U[0]); |
---|
| 2683 | U[0] = U[shift]; |
---|
| 2684 | U[shift] = U[2]; |
---|
| 2685 | U[2] = U[shift ^ 2]; |
---|
| 2686 | U[shift ^ 2] = temp; |
---|
| 2687 | } else { |
---|
| 2688 | swap(U[0], U[2]); |
---|
| 2689 | swap(U[1], U[3]); |
---|
| 2690 | } |
---|
| 2691 | } |
---|
| 2692 | #if 0 |
---|
| 2693 | // Check that the above code actually permuted |
---|
| 2694 | // the vertices correctly. |
---|
| 2695 | shift = 0; |
---|
| 2696 | maxdotp = 0; |
---|
| 2697 | for (int j = 0; j <= 3; ++j) { |
---|
| 2698 | Vector3 tmp = U[j] - prev_pt_v; |
---|
| 2699 | tmp.normalise(); |
---|
| 2700 | Double dotp = dot(vec, tmp); |
---|
| 2701 | if (dotp > maxdotp) { |
---|
| 2702 | maxdotp = dotp + 1e-6; // Add small tolerance to stop 45 degree offset cases being flagged... |
---|
| 2703 | shift = j; |
---|
| 2704 | } |
---|
| 2705 | } |
---|
| 2706 | if (shift) { |
---|
| 2707 | printf("New shift = %d!\n", shift); |
---|
| 2708 | shift = 0; |
---|
| 2709 | maxdotp = 0; |
---|
| 2710 | for (int j = 0; j <= 3; ++j) { |
---|
| 2711 | Vector3 tmp = U[j] - prev_pt_v; |
---|
| 2712 | tmp.normalise(); |
---|
| 2713 | Double dotp = dot(vec, tmp); |
---|
| 2714 | printf(" %d : %.8f\n", j, dotp); |
---|
| 2715 | } |
---|
| 2716 | } |
---|
| 2717 | #endif |
---|
| 2718 | } else if (r2.magnitude() == 0) { |
---|
| 2719 | Vector3 n = leg2_v; |
---|
| 2720 | n.normalise(); |
---|
| 2721 | z_pitch_adjust = n.GetZ(); |
---|
| 2722 | //up = Vector3(0, 0, leg2_v.GetZ()); |
---|
| 2723 | //up = right * up; |
---|
| 2724 | up = up_v; |
---|
| 2725 | } else { |
---|
| 2726 | up = up_v; |
---|
| 2727 | } |
---|
| 2728 | last_right = right; |
---|
| 2729 | static_date_hack = pt_v.GetDate(); |
---|
| 2730 | } |
---|
| 2731 | |
---|
| 2732 | // Scale to unit vectors in the LRUD plane. |
---|
| 2733 | right.normalise(); |
---|
| 2734 | up.normalise(); |
---|
| 2735 | |
---|
| 2736 | if (z_pitch_adjust != 0) up += Vector3(0, 0, fabs(z_pitch_adjust)); |
---|
| 2737 | |
---|
| 2738 | Double l = fabs(pt_v.GetL()); |
---|
| 2739 | Double r = fabs(pt_v.GetR()); |
---|
| 2740 | Double u = fabs(pt_v.GetU()); |
---|
| 2741 | Double d = fabs(pt_v.GetD()); |
---|
| 2742 | |
---|
| 2743 | // Produce coordinates of the corners of the LRUD "plane". |
---|
| 2744 | Vector3 v[4]; |
---|
| 2745 | v[0] = pt_v - right * l + up * u; |
---|
| 2746 | v[1] = pt_v + right * r + up * u; |
---|
| 2747 | v[2] = pt_v + right * r - up * d; |
---|
| 2748 | v[3] = pt_v - right * l - up * d; |
---|
| 2749 | |
---|
| 2750 | if (segment > 0) { |
---|
| 2751 | (this->*AddQuad)(v[0], v[1], U[1], U[0]); |
---|
| 2752 | (this->*AddQuad)(v[2], v[3], U[3], U[2]); |
---|
| 2753 | (this->*AddQuad)(v[1], v[2], U[2], U[1]); |
---|
| 2754 | (this->*AddQuad)(v[3], v[0], U[0], U[3]); |
---|
| 2755 | } |
---|
| 2756 | |
---|
| 2757 | if (cover_end) { |
---|
| 2758 | (this->*AddQuad)(v[3], v[2], v[1], v[0]); |
---|
| 2759 | } |
---|
| 2760 | |
---|
| 2761 | prev_pt_v = pt_v; |
---|
| 2762 | U[0] = v[0]; |
---|
| 2763 | U[1] = v[1]; |
---|
| 2764 | U[2] = v[2]; |
---|
| 2765 | U[3] = v[3]; |
---|
| 2766 | |
---|
| 2767 | ++segment; |
---|
| 2768 | } |
---|
| 2769 | } |
---|
| 2770 | |
---|
| 2771 | void GfxCore::FullScreenMode() |
---|
| 2772 | { |
---|
| 2773 | m_Parent->ViewFullScreen(); |
---|
| 2774 | } |
---|
| 2775 | |
---|
| 2776 | bool GfxCore::IsFullScreen() const |
---|
| 2777 | { |
---|
| 2778 | return m_Parent->IsFullScreen(); |
---|
| 2779 | } |
---|
| 2780 | |
---|
| 2781 | void |
---|
| 2782 | GfxCore::MoveViewer(double forward, double up, double right) |
---|
| 2783 | { |
---|
| 2784 | double cT = cos(rad(m_TiltAngle)); |
---|
| 2785 | double sT = sin(rad(m_TiltAngle)); |
---|
| 2786 | double cP = cos(rad(m_PanAngle)); |
---|
| 2787 | double sP = sin(rad(m_PanAngle)); |
---|
| 2788 | Vector3 v_forward(cT * sP, cT * cP, -sT); |
---|
| 2789 | Vector3 v_up(-sT * sP, -sT * cP, -cT); |
---|
| 2790 | Vector3 v_right(-cP, sP, 0); |
---|
| 2791 | assert(fabs(dot(v_forward, v_up)) < 1e-6); |
---|
| 2792 | assert(fabs(dot(v_forward, v_right)) < 1e-6); |
---|
| 2793 | assert(fabs(dot(v_right, v_up)) < 1e-6); |
---|
| 2794 | Vector3 move = v_forward * forward + v_up * up + v_right * right; |
---|
| 2795 | AddTranslation(-move); |
---|
| 2796 | // Show current position. |
---|
| 2797 | m_Parent->SetCoords(m_Parent->GetOffset() - GetTranslation()); |
---|
| 2798 | ForceRefresh(); |
---|
| 2799 | } |
---|
| 2800 | |
---|
| 2801 | PresentationMark GfxCore::GetView() const |
---|
| 2802 | { |
---|
| 2803 | return PresentationMark(GetTranslation() + m_Parent->GetOffset(), |
---|
| 2804 | m_PanAngle, m_TiltAngle, m_Scale); |
---|
| 2805 | } |
---|
| 2806 | |
---|
| 2807 | void GfxCore::SetView(const PresentationMark & p) |
---|
| 2808 | { |
---|
| 2809 | m_SwitchingTo = 0; |
---|
| 2810 | SetTranslation(p - m_Parent->GetOffset()); |
---|
| 2811 | m_PanAngle = p.angle; |
---|
| 2812 | m_TiltAngle = p.tilt_angle; |
---|
| 2813 | SetRotation(m_PanAngle, m_TiltAngle); |
---|
| 2814 | SetScale(p.scale); |
---|
| 2815 | ForceRefresh(); |
---|
| 2816 | } |
---|
| 2817 | |
---|
| 2818 | void GfxCore::PlayPres(double speed, bool change_speed) { |
---|
| 2819 | if (!change_speed || presentation_mode == 0) { |
---|
| 2820 | if (speed == 0.0) { |
---|
| 2821 | presentation_mode = 0; |
---|
| 2822 | return; |
---|
| 2823 | } |
---|
| 2824 | presentation_mode = PLAYING; |
---|
| 2825 | next_mark = m_Parent->GetPresMark(MARK_FIRST); |
---|
| 2826 | SetView(next_mark); |
---|
| 2827 | next_mark_time = 0; // There already! |
---|
| 2828 | this_mark_total = 0; |
---|
| 2829 | pres_reverse = (speed < 0); |
---|
| 2830 | } |
---|
| 2831 | |
---|
| 2832 | if (change_speed) pres_speed = speed; |
---|
| 2833 | |
---|
| 2834 | if (speed != 0.0) { |
---|
| 2835 | bool new_pres_reverse = (speed < 0); |
---|
| 2836 | if (new_pres_reverse != pres_reverse) { |
---|
| 2837 | pres_reverse = new_pres_reverse; |
---|
| 2838 | if (pres_reverse) { |
---|
| 2839 | next_mark = m_Parent->GetPresMark(MARK_PREV); |
---|
| 2840 | } else { |
---|
| 2841 | next_mark = m_Parent->GetPresMark(MARK_NEXT); |
---|
| 2842 | } |
---|
| 2843 | swap(this_mark_total, next_mark_time); |
---|
| 2844 | } |
---|
| 2845 | } |
---|
| 2846 | } |
---|
| 2847 | |
---|
| 2848 | void GfxCore::SetColourBy(int colour_by) { |
---|
| 2849 | m_ColourBy = colour_by; |
---|
| 2850 | switch (colour_by) { |
---|
| 2851 | case COLOUR_BY_DEPTH: |
---|
| 2852 | AddQuad = &GfxCore::AddQuadrilateralDepth; |
---|
| 2853 | AddPoly = &GfxCore::AddPolylineDepth; |
---|
| 2854 | break; |
---|
| 2855 | case COLOUR_BY_DATE: |
---|
| 2856 | AddQuad = &GfxCore::AddQuadrilateralDate; |
---|
| 2857 | AddPoly = &GfxCore::AddPolylineDate; |
---|
| 2858 | break; |
---|
| 2859 | case COLOUR_BY_ERROR: |
---|
| 2860 | AddQuad = &GfxCore::AddQuadrilateralError; |
---|
| 2861 | AddPoly = &GfxCore::AddPolylineError; |
---|
| 2862 | break; |
---|
| 2863 | default: // case COLOUR_BY_NONE: |
---|
| 2864 | AddQuad = &GfxCore::AddQuadrilateral; |
---|
| 2865 | AddPoly = &GfxCore::AddPolyline; |
---|
| 2866 | break; |
---|
| 2867 | } |
---|
| 2868 | |
---|
| 2869 | InvalidateList(LIST_UNDERGROUND_LEGS); |
---|
| 2870 | InvalidateList(LIST_SURFACE_LEGS); |
---|
| 2871 | InvalidateList(LIST_TUBES); |
---|
| 2872 | |
---|
| 2873 | ForceRefresh(); |
---|
| 2874 | } |
---|
| 2875 | |
---|
| 2876 | bool GfxCore::ExportMovie(const wxString & fnm) |
---|
| 2877 | { |
---|
| 2878 | int width; |
---|
| 2879 | int height; |
---|
| 2880 | GetSize(&width, &height); |
---|
| 2881 | // Round up to next multiple of 2 (required by ffmpeg). |
---|
| 2882 | width += (width & 1); |
---|
| 2883 | height += (height & 1); |
---|
| 2884 | |
---|
| 2885 | movie = new MovieMaker(); |
---|
| 2886 | |
---|
| 2887 | // FIXME: This should really use fn_str() - currently we probably can't |
---|
| 2888 | // save to a Unicode path on wxmsw. |
---|
| 2889 | if (!movie->Open(fnm.mb_str(), width, height)) { |
---|
| 2890 | wxGetApp().ReportError(wxString(movie->get_error_string(), wxConvUTF8)); |
---|
| 2891 | delete movie; |
---|
| 2892 | movie = 0; |
---|
| 2893 | return false; |
---|
| 2894 | } |
---|
| 2895 | |
---|
| 2896 | PlayPres(1); |
---|
| 2897 | return true; |
---|
| 2898 | } |
---|
| 2899 | |
---|
| 2900 | void |
---|
| 2901 | GfxCore::OnPrint(const wxString &filename, const wxString &title, |
---|
| 2902 | const wxString &datestamp) |
---|
| 2903 | { |
---|
| 2904 | svxPrintDlg * p; |
---|
| 2905 | p = new svxPrintDlg(m_Parent, filename, title, datestamp, |
---|
| 2906 | m_PanAngle, m_TiltAngle, |
---|
| 2907 | m_Names, m_Crosses, m_Legs, m_Surface, |
---|
| 2908 | true); |
---|
| 2909 | p->Show(TRUE); |
---|
| 2910 | } |
---|
| 2911 | |
---|
| 2912 | void |
---|
| 2913 | GfxCore::OnExport(const wxString &filename, const wxString &title) |
---|
| 2914 | { |
---|
| 2915 | svxPrintDlg * p; |
---|
| 2916 | p = new svxPrintDlg(m_Parent, filename, title, wxString(), |
---|
| 2917 | m_PanAngle, m_TiltAngle, |
---|
| 2918 | m_Names, m_Crosses, m_Legs, m_Surface, |
---|
| 2919 | false); |
---|
| 2920 | p->Show(TRUE); |
---|
| 2921 | } |
---|
| 2922 | |
---|
| 2923 | static wxCursor |
---|
| 2924 | make_cursor(const unsigned char * bits, const unsigned char * mask, |
---|
| 2925 | int hotx, int hoty) |
---|
| 2926 | { |
---|
| 2927 | #if defined __WXMSW__ || defined __WXMAC__ |
---|
| 2928 | wxBitmap cursor_bitmap(reinterpret_cast<const char *>(bits), 32, 32); |
---|
| 2929 | wxBitmap mask_bitmap(reinterpret_cast<const char *>(mask), 32, 32); |
---|
| 2930 | cursor_bitmap.SetMask(new wxMask(mask_bitmap)); |
---|
| 2931 | wxImage cursor_image = cursor_bitmap.ConvertToImage(); |
---|
| 2932 | cursor_image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hotx); |
---|
| 2933 | cursor_image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hoty); |
---|
| 2934 | return wxCursor(cursor_image); |
---|
| 2935 | #else |
---|
| 2936 | return wxCursor((const char *)bits, 32, 32, hotx, hoty, |
---|
| 2937 | (const char *)mask, wxWHITE, wxBLACK); |
---|
| 2938 | #endif |
---|
| 2939 | } |
---|
| 2940 | |
---|
| 2941 | const |
---|
| 2942 | #include "hand.xbm" |
---|
| 2943 | const |
---|
| 2944 | #include "handmask.xbm" |
---|
| 2945 | |
---|
| 2946 | const |
---|
| 2947 | #include "brotate.xbm" |
---|
| 2948 | const |
---|
| 2949 | #include "brotatemask.xbm" |
---|
| 2950 | |
---|
| 2951 | const |
---|
| 2952 | #include "vrotate.xbm" |
---|
| 2953 | const |
---|
| 2954 | #include "vrotatemask.xbm" |
---|
| 2955 | |
---|
| 2956 | const |
---|
| 2957 | #include "rotate.xbm" |
---|
| 2958 | const |
---|
| 2959 | #include "rotatemask.xbm" |
---|
| 2960 | |
---|
| 2961 | const |
---|
| 2962 | #include "rotatezoom.xbm" |
---|
| 2963 | const |
---|
| 2964 | #include "rotatezoommask.xbm" |
---|
| 2965 | |
---|
| 2966 | void |
---|
| 2967 | GfxCore::SetCursor(GfxCore::cursor new_cursor) |
---|
| 2968 | { |
---|
| 2969 | // Check if we're already showing that cursor. |
---|
| 2970 | if (current_cursor == new_cursor) return; |
---|
| 2971 | |
---|
| 2972 | current_cursor = new_cursor; |
---|
| 2973 | switch (current_cursor) { |
---|
| 2974 | case GfxCore::CURSOR_DEFAULT: |
---|
| 2975 | GLACanvas::SetCursor(wxNullCursor); |
---|
| 2976 | break; |
---|
| 2977 | case GfxCore::CURSOR_POINTING_HAND: |
---|
| 2978 | GLACanvas::SetCursor(wxCursor(wxCURSOR_HAND)); |
---|
| 2979 | break; |
---|
| 2980 | case GfxCore::CURSOR_DRAGGING_HAND: |
---|
| 2981 | GLACanvas::SetCursor(make_cursor(hand_bits, handmask_bits, 12, 18)); |
---|
| 2982 | break; |
---|
| 2983 | case GfxCore::CURSOR_HORIZONTAL_RESIZE: |
---|
| 2984 | GLACanvas::SetCursor(wxCursor(wxCURSOR_SIZEWE)); |
---|
| 2985 | break; |
---|
| 2986 | case GfxCore::CURSOR_ROTATE_HORIZONTALLY: |
---|
| 2987 | GLACanvas::SetCursor(make_cursor(rotate_bits, rotatemask_bits, 15, 15)); |
---|
| 2988 | break; |
---|
| 2989 | case GfxCore::CURSOR_ROTATE_VERTICALLY: |
---|
| 2990 | GLACanvas::SetCursor(make_cursor(vrotate_bits, vrotatemask_bits, 15, 15)); |
---|
| 2991 | break; |
---|
| 2992 | case GfxCore::CURSOR_ROTATE_EITHER_WAY: |
---|
| 2993 | GLACanvas::SetCursor(make_cursor(brotate_bits, brotatemask_bits, 15, 15)); |
---|
| 2994 | break; |
---|
| 2995 | case GfxCore::CURSOR_ZOOM: |
---|
| 2996 | GLACanvas::SetCursor(wxCursor(wxCURSOR_MAGNIFIER)); |
---|
| 2997 | break; |
---|
| 2998 | case GfxCore::CURSOR_ZOOM_ROTATE: |
---|
| 2999 | GLACanvas::SetCursor(make_cursor(rotatezoom_bits, rotatezoommask_bits, 15, 15)); |
---|
| 3000 | break; |
---|
| 3001 | } |
---|
| 3002 | } |
---|
| 3003 | |
---|
| 3004 | bool GfxCore::MeasuringLineActive() const |
---|
| 3005 | { |
---|
| 3006 | if (Animating()) return false; |
---|
| 3007 | return (m_here.IsValid() && !m_here_is_temporary) || m_there.IsValid(); |
---|
| 3008 | } |
---|