1 | /* printwin.c */ |
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2 | /* Device dependent part of Survex Win32 driver */ |
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3 | /* Copyright (C) 1993-2002 Olly Betts |
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4 | * Copyright (C) 2001 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 | #ifdef HAVE_CONFIG_H |
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22 | # include <config.h> |
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23 | #endif |
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24 | |
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25 | #include <stdio.h> |
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26 | #include <stdlib.h> |
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27 | #include <math.h> |
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28 | #include <string.h> |
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29 | #include <time.h> |
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30 | #include <ctype.h> |
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31 | #include <float.h> |
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32 | #include <limits.h> |
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33 | |
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34 | #include "debug.h" /* for BUG and ASSERT */ |
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35 | #include "filelist.h" |
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36 | #include "filename.h" |
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37 | #include "ini.h" |
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38 | #include "message.h" |
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39 | #include "prcore.h" |
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40 | #include "prio.h" |
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41 | #include "useful.h" |
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42 | |
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43 | #include <windows.h> |
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44 | |
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45 | static double MarginLeft, MarginRight, MarginTop, MarginBottom; |
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46 | static int fontsize, fontsize_labels; |
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47 | static double LineWidth; |
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48 | |
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49 | static char *fontname, *fontname_labels; |
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50 | |
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51 | static const char *win_Name(void); |
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52 | static int win_Pre(int pagesToPrint, const char *title); |
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53 | static void win_NewPage(int pg, int pass, int pagesX, int pagesY); |
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54 | static void win_Init(FILE **fh_list, const char *pth, const char *outfnm, |
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55 | double *pscX, double *pscY, bool fCalibrate); |
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56 | static int win_Charset(void); |
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57 | static void win_MoveTo(long x, long y); |
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58 | static void win_DrawTo(long x, long y); |
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59 | static void win_DrawCross(long x, long y); |
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60 | static void win_SetFont(int fontcode); |
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61 | static void win_WriteString(const char *s); |
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62 | static void win_DrawCircle(long x, long y, long r); |
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63 | static void win_ShowPage(const char *szPageDetails); |
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64 | static void win_Quit(void); |
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65 | |
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66 | device printer = { |
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67 | PR_FLAG_NOFILEOUTPUT, /* |PR_FLAG_NOINI - now read fontsize from ini file */ |
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68 | win_Name, |
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69 | win_Init, |
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70 | win_Charset, |
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71 | win_Pre, |
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72 | win_NewPage, |
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73 | win_MoveTo, |
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74 | win_DrawTo, |
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75 | win_DrawCross, |
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76 | win_SetFont, |
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77 | win_WriteString, |
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78 | win_DrawCircle, |
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79 | win_ShowPage, |
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80 | NULL, /* win_Post */ |
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81 | win_Quit |
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82 | }; |
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83 | |
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84 | static HDC pd; /* printer context */ |
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85 | |
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86 | static TEXTMETRIC tm, tm_labels, tm_default; /* font info */ |
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87 | |
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88 | static double scX, scY; |
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89 | |
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90 | static int cur_pass; |
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91 | |
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92 | static border clip; |
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93 | |
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94 | static long xpPageWidth, ypPageDepth; |
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95 | |
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96 | static long x_t, y_t; |
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97 | |
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98 | static int |
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99 | check_intersection(long x_p, long y_p) |
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100 | { |
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101 | #define U 1 |
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102 | #define D 2 |
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103 | #define L 4 |
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104 | #define R 8 |
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105 | int mask_p = 0, mask_t = 0; |
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106 | if (x_p < 0) |
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107 | mask_p = L; |
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108 | else if (x_p > xpPageWidth) |
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109 | mask_p = R; |
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110 | |
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111 | if (y_p < 0) |
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112 | mask_p |= D; |
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113 | else if (y_p > ypPageDepth) |
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114 | mask_p |= U; |
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115 | |
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116 | if (x_t < 0) |
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117 | mask_t = L; |
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118 | else if (x_t > xpPageWidth) |
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119 | mask_t = R; |
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120 | |
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121 | if (y_t < 0) |
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122 | mask_t |= D; |
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123 | else if (y_t > ypPageDepth) |
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124 | mask_t |= U; |
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125 | |
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126 | #if 0 |
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127 | /* approximation to correct answer */ |
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128 | return !(mask_t & mask_p); |
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129 | #else |
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130 | /* One end of the line is on the page */ |
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131 | if (!mask_t || !mask_p) return 1; |
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132 | |
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133 | /* whole line is above, left, right, or below page */ |
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134 | if (mask_t & mask_p) return 0; |
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135 | |
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136 | if (mask_t == 0) mask_t = mask_p; |
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137 | if (mask_t & U) { |
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138 | double v = (double)(y_p - ypPageDepth) / (y_p - y_t); |
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139 | return v >= 0 && v <= 1; |
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140 | } |
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141 | if (mask_t & D) { |
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142 | double v = (double)y_p / (y_p - y_t); |
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143 | return v >= 0 && v <= 1; |
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144 | } |
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145 | if (mask_t & R) { |
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146 | double v = (double)(x_p - xpPageWidth) / (x_p - x_t); |
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147 | return v >= 0 && v <= 1; |
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148 | } |
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149 | ASSERT(mask_t & L); |
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150 | { |
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151 | double v = (double)x_p / (x_p - x_t); |
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152 | return v >= 0 && v <= 1; |
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153 | } |
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154 | #endif |
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155 | #undef U |
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156 | #undef D |
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157 | #undef L |
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158 | #undef R |
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159 | } |
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160 | |
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161 | static const char * |
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162 | win_Name(void) |
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163 | { |
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164 | return "Win32 Printer"; |
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165 | } |
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166 | |
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167 | static void |
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168 | win_MoveTo(long x, long y) |
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169 | { |
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170 | x_t = x - clip.x_min; |
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171 | y_t = clip.y_max - y; |
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172 | if (cur_pass != -1) MoveToEx(pd, x_t, y_t, NULL); |
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173 | } |
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174 | |
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175 | static void |
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176 | win_DrawTo(long x, long y) |
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177 | { |
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178 | long x_p = x_t, y_p = y_t; |
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179 | x_t = x - clip.x_min; |
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180 | y_t = clip.y_max - y; |
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181 | if (cur_pass != -1) { |
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182 | LineTo(pd, x_t, y_t); |
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183 | } else { |
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184 | if (check_intersection(x_p, y_p)) fBlankPage = fFalse; |
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185 | } |
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186 | } |
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187 | |
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188 | #define POINTS_PER_INCH 72.0 |
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189 | #define POINTS_PER_MM (POINTS_PER_INCH / MM_PER_INCH) |
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190 | #define WIN_CROSS_SIZE (2 * scX / POINTS_PER_MM) |
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191 | |
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192 | static void |
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193 | win_DrawCross(long x, long y) |
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194 | { |
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195 | if (cur_pass != -1) { |
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196 | win_MoveTo(x - WIN_CROSS_SIZE, y - WIN_CROSS_SIZE); |
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197 | win_DrawTo(x + WIN_CROSS_SIZE, y + WIN_CROSS_SIZE); |
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198 | win_MoveTo(x + WIN_CROSS_SIZE, y - WIN_CROSS_SIZE); |
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199 | win_DrawTo(x - WIN_CROSS_SIZE, y + WIN_CROSS_SIZE); |
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200 | win_MoveTo(x, y); |
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201 | } else { |
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202 | if ((x + WIN_CROSS_SIZE > clip.x_min && |
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203 | x - WIN_CROSS_SIZE < clip.x_max) || |
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204 | (y + WIN_CROSS_SIZE > clip.y_min && |
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205 | y - WIN_CROSS_SIZE < clip.y_max)) { |
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206 | fBlankPage = fFalse; |
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207 | } |
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208 | } |
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209 | } |
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210 | |
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211 | static HFONT font_labels, font_default, font_old; |
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212 | |
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213 | static void |
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214 | win_SetFont(int fontcode) |
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215 | { |
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216 | switch (fontcode) { |
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217 | case PR_FONT_DEFAULT: |
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218 | SelectObject(pd, font_default); |
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219 | tm = tm_default; |
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220 | break; |
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221 | case PR_FONT_LABELS: |
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222 | SelectObject(pd, font_labels); |
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223 | tm = tm_labels; |
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224 | break; |
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225 | default: |
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226 | BUG("unknown font code"); |
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227 | } |
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228 | } |
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229 | |
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230 | static void |
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231 | win_WriteString(const char *s) |
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232 | { |
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233 | if (cur_pass != -1) { |
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234 | TextOut(pd, x_t, y_t - tm.tmAscent, s, strlen(s)); |
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235 | } else { |
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236 | if ((y_t + tm.tmDescent > 0 && |
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237 | y_t - tm.tmAscent < clip.y_max - clip.y_min) || |
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238 | (x_t < clip.x_max - clip.x_min && |
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239 | x_t + strlen(s) * tm.tmAveCharWidth > 0)) { |
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240 | fBlankPage = fFalse; |
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241 | } |
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242 | } |
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243 | } |
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244 | |
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245 | static void |
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246 | win_DrawCircle(long x, long y, long r) |
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247 | { |
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248 | /* Don't need to check in first-pass - circle is only used in title box */ |
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249 | if (cur_pass != -1) { |
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250 | x_t = x - clip.x_min; |
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251 | y_t = clip.y_max - y; |
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252 | Ellipse(pd, x_t - r, y_t - r, x_t + r, y_t + r); |
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253 | } |
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254 | } |
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255 | |
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256 | static int |
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257 | win_Charset(void) |
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258 | { |
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259 | return CHARSET_ISO_8859_1; |
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260 | } |
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261 | |
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262 | static int |
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263 | win_Pre(int pagesToPrint, const char *title) |
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264 | { |
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265 | PRINTDLGA psd; |
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266 | DOCINFO info; |
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267 | |
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268 | pagesToPrint = pagesToPrint; /* suppress compiler warning */ |
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269 | |
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270 | memset(&psd, 0, sizeof(PRINTDLGA)); |
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271 | psd.lStructSize = 66; |
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272 | psd.Flags = PD_RETURNDC | PD_RETURNDEFAULT; |
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273 | |
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274 | if (!PrintDlgA(&psd)) exit(1); |
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275 | pd = psd.hDC; |
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276 | |
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277 | font_labels = CreateFont(fontsize_labels, 0, 0, 0, FW_NORMAL, 0, 0, 0, |
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278 | ANSI_CHARSET, OUT_DEFAULT_PRECIS, |
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279 | CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, |
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280 | FF_DONTCARE | DEFAULT_PITCH, "Arial"); |
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281 | font_default = CreateFont(fontsize, 0, 0, 0, FW_NORMAL, 0, 0, 0, |
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282 | ANSI_CHARSET, OUT_DEFAULT_PRECIS, |
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283 | CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, |
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284 | FF_DONTCARE | DEFAULT_PITCH, "Arial"); |
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285 | font_old = SelectObject(pd, font_labels); |
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286 | GetTextMetrics(pd, &tm_labels); |
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287 | SelectObject(pd, font_default); |
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288 | GetTextMetrics(pd, &tm_default); |
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289 | |
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290 | memset(&info, 0, sizeof(DOCINFO)); |
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291 | info.cbSize = sizeof(DOCINFO); |
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292 | info.lpszDocName = title; |
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293 | |
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294 | StartDoc(pd, &info); |
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295 | return 1; /* only need 1 pass */ |
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296 | } |
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297 | |
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298 | static void |
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299 | win_NewPage(int pg, int pass, int pagesX, int pagesY) |
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300 | { |
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301 | int x, y; |
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302 | |
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303 | x = (pg - 1) % pagesX; |
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304 | y = pagesY - 1 - ((pg - 1) / pagesX); |
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305 | |
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306 | clip.x_min = (long)x * xpPageWidth; |
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307 | clip.y_min = (long)y * ypPageDepth; |
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308 | clip.x_max = clip.x_min + xpPageWidth; /* dm/pcl/ps had -1; */ |
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309 | clip.y_max = clip.y_min + ypPageDepth; /* dm/pcl/ps had -1; */ |
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310 | |
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311 | cur_pass = pass; |
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312 | if (pass == -1) { |
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313 | /* Don't count alignment marks, but do count borders */ |
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314 | fBlankPage = fNoBorder |
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315 | || (x > 0 && y > 0 && x < pagesX - 1 && y < pagesY - 1); |
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316 | return; |
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317 | } |
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318 | |
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319 | StartPage(pd); |
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320 | drawticks(clip, 9 * scX / POINTS_PER_MM, x, y); |
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321 | } |
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322 | |
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323 | static void |
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324 | win_ShowPage(const char *szPageDetails) |
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325 | { |
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326 | win_MoveTo((long)(6 * scX) + clip.x_min, clip.y_min - (long)(7 * scY)); |
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327 | win_WriteString(szPageDetails); |
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328 | EndPage(pd); |
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329 | } |
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330 | |
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331 | /* Initialise printer routines */ |
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332 | static void |
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333 | win_Init(FILE **fh_list, const char *pth, const char *out_fnm, |
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334 | double *pscX, double *pscY, bool fCalibrate) |
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335 | { |
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336 | PRINTDLGA psd; |
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337 | static const char *vars[] = { |
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338 | "like", |
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339 | "font_size_labels", |
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340 | NULL |
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341 | }; |
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342 | char **vals; |
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343 | |
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344 | fCalibrate = fCalibrate; /* suppress unused argument warning */ |
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345 | out_fnm = out_fnm; |
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346 | pth = pth; |
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347 | |
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348 | vals = ini_read_hier(fh_list, "win", vars); |
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349 | |
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350 | fontsize_labels = as_int(vars[2], vals[2], 1, INT_MAX); |
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351 | fontsize = 10; |
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352 | |
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353 | memset(&psd, 0, sizeof(PRINTDLGA)); |
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354 | psd.lStructSize = 66; |
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355 | psd.Flags = PD_RETURNDC | PD_RETURNDEFAULT; |
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356 | |
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357 | if (!PrintDlgA(&psd)) exit(1); |
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358 | |
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359 | PaperWidth = GetDeviceCaps(psd.hDC, HORZSIZE); |
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360 | PaperDepth = GetDeviceCaps(psd.hDC, VERTSIZE); |
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361 | xpPageWidth = GetDeviceCaps(psd.hDC, HORZRES); |
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362 | ypPageDepth = GetDeviceCaps(psd.hDC, VERTRES); |
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363 | MarginLeft = MarginBottom = 0; |
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364 | MarginRight = PaperWidth; |
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365 | MarginTop = PaperDepth; |
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366 | LineWidth = 0; |
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367 | scX = *pscX = xpPageWidth / PaperWidth; |
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368 | scY = *pscY = ypPageDepth / PaperDepth; |
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369 | xpPageWidth--; |
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370 | ypPageDepth = ypPageDepth - (int)(10 * *pscY); |
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371 | DeleteDC(psd.hDC); |
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372 | } |
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373 | |
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374 | static void |
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375 | win_Quit(void) |
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376 | { |
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377 | SelectObject(pd, font_old); |
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378 | DeleteObject(font_labels); |
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379 | DeleteObject(font_default); |
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380 | EndDoc(pd); |
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381 | DeleteDC(pd); |
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382 | } |
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