1 | /* avenprcore.cc |
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2 | * Printer independent parts of Survex printer drivers |
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3 | * Copyright (C) 1993-2002,2004,2005,2006 Olly Betts |
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4 | * Copyright (C) 2004 Philip Underwood |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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19 | */ |
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20 | |
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21 | /* FIXME provide more explanation when reporting errors in print.ini */ |
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22 | |
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23 | #ifdef HAVE_CONFIG_H |
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24 | # include <config.h> |
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25 | #endif |
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26 | |
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27 | #include <stdio.h> |
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28 | #include <stdlib.h> |
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29 | #include <limits.h> |
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30 | #include <math.h> |
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31 | #include <string.h> |
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32 | #include <ctype.h> |
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33 | #include <time.h> |
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34 | #include <float.h> |
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35 | |
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36 | #include "mainfrm.h" |
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37 | |
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38 | #include "useful.h" |
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39 | #include "filename.h" |
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40 | #include "message.h" |
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41 | #include "filelist.h" |
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42 | #include "img.h" |
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43 | #include "avenprcore.h" |
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44 | #include "debug.h" |
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45 | |
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46 | #if defined __WXMSW__ || defined __WXMAC__ |
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47 | # include <wx/dcprint.h> |
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48 | #else |
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49 | # include <wx/dcps.h> |
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50 | #endif |
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51 | |
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52 | layout::layout(wxPageSetupDialogData* data) |
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53 | : Labels(false), Crosses(false), Shots(true), Surface(false), |
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54 | SkipBlank(false), Border(true), Cutlines(true), Raw(false), |
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55 | title(NULL), datestamp(NULL), Scale(0), rot(0), tilt(0), |
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56 | view(PLAN), scX(1), scY(1), xMin(0), xMax(-1), yMin(0), yMax(-1), |
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57 | pagesX(1), pagesY(1), pages(1), xOrg(0), yOrg(0), footer(NULL) |
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58 | { |
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59 | // Create a temporary wxPrinterDC/wxPostScriptDC so we can get access to |
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60 | // the size of the printable area in mm to allow us to calculate how many |
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61 | // pages will be needed. |
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62 | #if defined __WXMSW__ || defined __WXMAC__ |
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63 | wxPrinterDC pdc(data->GetPrintData()); |
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64 | #else |
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65 | wxPostScriptDC pdc(data->GetPrintData()); |
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66 | #endif |
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67 | int width, depth; |
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68 | pdc.GetSizeMM(&width, &depth); |
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69 | width -= data->GetMarginBottomRight().x + data->GetMarginTopLeft().x; |
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70 | PaperWidth = width; |
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71 | depth -= data->GetMarginBottomRight().y + data->GetMarginTopLeft().y; |
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72 | // Allow for the 10mm footer. |
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73 | PaperDepth = depth - 10; |
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74 | } |
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75 | |
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76 | void |
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77 | layout::pages_required() { |
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78 | double image_dx, image_dy; |
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79 | double image_centre_x, image_centre_y; |
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80 | double paper_centre_x, paper_centre_y; |
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81 | |
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82 | double allow = 21.0; |
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83 | if (!Raw) allow += (view == EXTELEV ? 30.0 : 40.0); |
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84 | double Sc = 1000 / Scale; |
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85 | image_dx = (xMax - xMin) * Sc; |
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86 | if (PaperWidth > 0.0) { |
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87 | pagesX = (int)ceil((image_dx + 19.0) / PaperWidth); |
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88 | } else { |
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89 | /* paperwidth not fixed (eg window or roll printer/plotter) */ |
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90 | pagesX = 1; |
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91 | PaperWidth = image_dx + 19.0; |
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92 | } |
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93 | paper_centre_x = (pagesX * PaperWidth) / 2; |
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94 | image_centre_x = Sc * (xMax + xMin) / 2; |
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95 | xOrg = paper_centre_x - image_centre_x; |
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96 | |
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97 | image_dy = (yMax - yMin) * Sc; |
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98 | if (PaperDepth > 0.0) { |
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99 | pagesY = (int)ceil((image_dy + allow) / PaperDepth); |
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100 | } else { |
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101 | /* paperdepth not fixed (eg window or roll printer/plotter) */ |
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102 | pagesY = 1; |
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103 | PaperDepth = image_dy + allow; |
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104 | } |
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105 | paper_centre_y = 20 + (pagesY * PaperDepth) / 2; |
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106 | image_centre_y = Sc * (yMax + yMin) / 2; |
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107 | yOrg = paper_centre_y - image_centre_y; |
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108 | |
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109 | pages = pagesX * pagesY; |
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110 | } |
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111 | |
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112 | static void setting_missing(const char *v) |
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113 | { |
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114 | fatalerror(/*Parameter `%s' missing in printer configuration file*/85, v); |
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115 | } |
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116 | |
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117 | static void setting_bad_value(const char *v, const char *p) |
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118 | { |
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119 | fatalerror(/*Parameter `%s' has invalid value `%s' in printer configuration file*/82, |
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120 | v, p); |
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121 | } |
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122 | |
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123 | int |
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124 | as_int(const char *v, char *p, int min_val, int max_val) |
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125 | { |
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126 | long val; |
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127 | char *pEnd; |
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128 | if (!p) setting_missing(v); |
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129 | val = strtol(p, &pEnd, 10); |
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130 | if (pEnd == p || val < (long)min_val || val > (long)max_val) |
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131 | setting_bad_value(v, p); |
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132 | osfree(p); |
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133 | return (int)val; |
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134 | } |
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135 | |
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136 | /* Converts '0'-'9' to 0-9, 'A'-'F' to 10-15 and 'a'-'f' to 10-15. |
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137 | * Undefined on other values */ |
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138 | #define CHAR2HEX(C) (((C)+((C)>64?9:0))&15) |
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139 | |
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140 | unsigned long |
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141 | as_colour(const char *v, char *p) |
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142 | { |
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143 | unsigned long val = 0xffffffff; |
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144 | if (!p) setting_missing(v); |
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145 | switch (tolower(*p)) { |
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146 | case '#': { |
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147 | char *q = p + 1; |
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148 | while (isxdigit((unsigned char)*q)) q++; |
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149 | if (q - p == 4) { |
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150 | val = CHAR2HEX(p[1]) * 0x110000; |
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151 | val |= CHAR2HEX(p[2]) * 0x1100; |
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152 | val |= CHAR2HEX(p[3]) * 0x11; |
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153 | } else if (q - p == 7) { |
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154 | val = ((CHAR2HEX(p[1]) << 4) | CHAR2HEX(p[2])) << 16; |
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155 | val |= ((CHAR2HEX(p[3]) << 4) | CHAR2HEX(p[4])) << 8; |
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156 | val |= (CHAR2HEX(p[5]) << 4) | CHAR2HEX(p[6]); |
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157 | } |
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158 | break; |
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159 | } |
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160 | case 'a': |
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161 | if (strcasecmp(p, "aqua") == 0) val = 0x00fffful; |
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162 | break; |
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163 | case 'b': |
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164 | if (strcasecmp(p, "black") == 0) val = 0x000000ul; |
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165 | else if (strcasecmp(p, "blue") == 0) val = 0x0000fful; |
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166 | break; |
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167 | case 'f': |
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168 | if (strcasecmp(p, "fuchsia") == 0) val = 0xff00fful; |
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169 | break; |
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170 | case 'g': |
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171 | if (strcasecmp(p, "gray") == 0) val = 0x808080ul; |
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172 | else if (strcasecmp(p, "green") == 0) val = 0x008000ul; |
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173 | break; |
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174 | case 'l': |
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175 | if (strcasecmp(p, "lime") == 0) val = 0x00ff00ul; |
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176 | break; |
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177 | case 'm': |
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178 | if (strcasecmp(p, "maroon") == 0) val = 0x800000ul; |
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179 | break; |
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180 | case 'n': |
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181 | if (strcasecmp(p, "navy") == 0) val = 0x000080ul; |
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182 | break; |
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183 | case 'o': |
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184 | if (strcasecmp(p, "olive") == 0) val = 0x808000ul; |
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185 | break; |
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186 | case 'p': |
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187 | if (strcasecmp(p, "purple") == 0) val = 0x800080ul; |
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188 | break; |
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189 | case 'r': |
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190 | if (strcasecmp(p, "red") == 0) val = 0xff0000ul; |
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191 | break; |
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192 | case 's': |
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193 | if (strcasecmp(p, "silver") == 0) val = 0xc0c0c0ul; |
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194 | break; |
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195 | case 't': |
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196 | if (strcasecmp(p, "teal") == 0) val = 0x008080ul; |
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197 | break; |
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198 | case 'w': |
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199 | if (strcasecmp(p, "white") == 0) val = 0xfffffful; |
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200 | break; |
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201 | case 'y': |
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202 | if (strcasecmp(p, "yellow") == 0) val = 0xffff00ul; |
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203 | break; |
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204 | } |
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205 | if (val == 0xffffffff) setting_bad_value(v, p); |
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206 | osfree(p); |
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207 | return val; |
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208 | } |
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209 | |
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210 | #define DEF_RATIO (1.0/(double)DEFAULT_SCALE) |
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211 | |
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212 | /* pick a scale which will make it fit in the desired size */ |
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213 | void |
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214 | layout::pick_scale(int x, int y) |
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215 | { |
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216 | double Sc_x, Sc_y; |
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217 | /* pagesY = ceil((image_dy+allow)/PaperDepth) |
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218 | * so (image_dy+allow)/PaperDepth <= pagesY < (image_dy+allow)/PaperDepth+1 |
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219 | * so image_dy <= pagesY*PaperDepth-allow < image_dy+PaperDepth |
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220 | * and Sc = image_dy / (yMax-yMin) |
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221 | * so Sc <= (pagesY*PaperDepth-allow)/(yMax-yMin) < Sc+PaperDepth/(yMax-yMin) |
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222 | */ |
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223 | Sc_x = Sc_y = DEF_RATIO; |
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224 | if (PaperWidth > 0.0 && xMax > xMin) |
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225 | Sc_x = (x * PaperWidth - 19.0) / (xMax - xMin); |
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226 | if (PaperDepth > 0.0 && yMax > yMin) { |
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227 | double allow = 21.0; |
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228 | if (!Raw) allow += (view == EXTELEV ? 30.0 : 40.0); |
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229 | Sc_y = (y * PaperDepth - allow) / (yMax - yMin); |
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230 | } |
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231 | |
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232 | Sc_x = min(Sc_x, Sc_y) * 0.99; /* shrink by 1% so we don't cock up */ |
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233 | #if 0 /* this picks a nice (in some sense) ratio, but is too stingy */ |
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234 | double E = pow(10.0, floor(log10(Sc_x))); |
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235 | Sc_x = floor(Sc_x / E) * E; |
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236 | #endif |
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237 | |
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238 | double Scale_exact = 1000.0 / Sc_x; |
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239 | |
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240 | /* trim to 2 s.f. (rounding up) */ |
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241 | double w = pow(10.0, floor(log10(Scale_exact) - 1.0)); |
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242 | Scale = ceil(Scale_exact / w) * w; |
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243 | } |
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244 | |
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245 | #if 0 |
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246 | bool fBlankPage = fFalse; |
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247 | |
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248 | void print_all(MainFrm *m_parent, layout *l, device *pri) { |
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249 | int cPasses, pass; |
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250 | unsigned int cPagesPrinted; |
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251 | const char *msg166; |
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252 | int state; |
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253 | char *p; |
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254 | int old_charset; |
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255 | int page, pageLim; |
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256 | pageLim = l->pagesX*l->pagesY; |
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257 | PaperWidth = l->PaperWidth; |
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258 | PaperDepth = l->PaperDepth; |
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259 | /* if no explicit Alloc, default to one pass */ |
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260 | cPasses = Pre(l->pages, l->title); |
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261 | |
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262 | /* note down so we can switch to printer charset */ |
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263 | msg166 = msgPerm(/*Page %d of %d*/166); |
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264 | select_charset(Charset()); |
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265 | |
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266 | /* used in printer's native charset in footer */ |
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267 | l->footer = msgPerm(/*Survey `%s' Page %d (of %d) Processed on %s*/167); |
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268 | |
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269 | old_charset = select_charset(CHARSET_ISO_8859_1); |
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270 | cPagesPrinted = 0; |
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271 | page = state = 0; |
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272 | p = l->szPages; |
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273 | while (1) { |
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274 | if (pageLim == 1) { |
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275 | if (page == 0) |
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276 | page = 1; |
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277 | else |
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278 | page = 0; /* we've already printed the only page */ |
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279 | } else if (!*l->szPages) { |
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280 | page++; |
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281 | if (page > pageLim) page = 0; /* all pages printed */ |
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282 | } else { |
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283 | page = next_page(&state, &p, pageLim); |
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284 | } |
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285 | SVX_ASSERT(state >= 0); /* errors should have been caught above */ |
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286 | if (page == 0) break; |
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287 | cPagesPrinted++; |
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288 | if (l->pages > 1) { |
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289 | putchar('\r'); |
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290 | printf(msg166, (int)cPagesPrinted, l->pages); |
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291 | } |
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292 | /* don't skip the page with the info box on */ |
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293 | if (l->SkipBlank && (int)page != (l->pagesY - 1) * l->pagesX + 1) { |
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294 | pass = -1; |
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295 | fBlankPage = fTrue; |
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296 | } else { |
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297 | pass = 0; |
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298 | fBlankPage = fFalse; |
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299 | } |
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300 | print_page(m_parent, l, page, pass, cPasses); |
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301 | } |
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302 | |
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303 | Quit(); |
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304 | select_charset(old_charset); |
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305 | } |
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306 | #endif |
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