1 /* |
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2 * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #include "awt.h" |
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27 #include "awt_image.h" |
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28 |
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29 extern "C" { |
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30 #include "img_colors.h" |
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31 } // extern "C" |
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32 |
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33 char *programname = "awt_makecube"; |
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34 |
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35 unsigned char cube[LOOKUPSIZE * LOOKUPSIZE * LOOKUPSIZE]; |
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36 |
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37 unsigned char reds[256], greens[256], blues[256], indices[256]; |
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38 int num_colors; |
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39 |
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40 PALETTEENTRY sysPal[256]; |
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41 |
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42 int sys2cmap[256]; |
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43 int cmap2sys[256]; |
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44 int error[256]; |
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45 |
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46 int cmapsize = 0; |
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47 int virtcubesize = 0; |
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48 int makecube_verbose = 0; |
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49 |
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50 void printPalette(char *label, HPALETTE hPal); |
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51 |
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52 void usage(char *errmsg) |
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53 { |
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54 fprintf(stderr, "%s\n", errmsg); |
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55 fprintf(stderr, "usage: %s [-cmapsize N] [-cubesize N]\n", programname); |
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56 fprintf(stderr, "\t-cmapsize N set the number of colors to allocate\n"); |
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57 fprintf(stderr, "\t in the colormap (2 <= N <= 256)\n"); |
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58 fprintf(stderr, "\t-cubesize N set the size of the cube of colors to\n"); |
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59 fprintf(stderr, " scan as potential entries in the cmap\n"); |
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60 fprintf(stderr, " (N must be a power of 2 and <= 32)\n"); |
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61 exit(1); |
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62 } |
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63 |
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64 void setsyscolor(int index, int red, int green, int blue) |
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65 { |
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66 if (index >= 0) { |
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67 if (sysPal[index].peFlags != 0) { |
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68 usage("Internal error: system palette conflict"); |
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69 } |
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70 } else { |
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71 for (int i = 0; i < 256; i++) { |
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72 if (sysPal[i].peFlags != 0) { |
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73 if (sysPal[i].peRed == red && |
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74 sysPal[i].peGreen == green && |
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75 sysPal[i].peBlue == blue) |
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76 { |
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77 // Already there. Ignore it. |
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78 return; |
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79 } |
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80 } else if (index < 0) { |
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81 index = i; |
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82 } |
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83 } |
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84 if (index < 0) { |
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85 usage("Internal error: ran out of system palette entries"); |
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86 } |
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87 } |
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88 sysPal[index].peRed = red; |
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89 sysPal[index].peGreen = green; |
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90 sysPal[index].peBlue = blue; |
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91 sysPal[index].peFlags = 1; |
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92 } |
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93 |
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94 void addcmapcolor(int red, int green, int blue) |
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95 { |
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96 for (int i = 0; i < num_colors; i++) { |
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97 if (red == reds[i] && green == greens[i] && blue == blues[i]) { |
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98 return; |
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99 } |
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100 } |
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101 if (num_colors >= cmapsize) { |
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102 usage("Internal error: more than cmapsize static colors defined"); |
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103 } |
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104 reds[num_colors] = red; |
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105 greens[num_colors] = green; |
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106 blues[num_colors] = blue; |
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107 num_colors++; |
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108 } |
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109 |
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110 int main(int argc, char **argv) |
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111 { |
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112 int i; |
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113 |
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114 programname = argv[0]; |
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115 |
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116 for (i = 1; i < argc; i++) { |
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117 if (strcmp(argv[i], "-cmapsize") == 0) { |
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118 if (i++ >= argc) { |
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119 usage("no argument to -cmapsize"); |
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120 } |
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121 cmapsize = atoi(argv[i]); |
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122 if (cmapsize <= 2 || cmapsize > 256) { |
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123 usage("colormap size must be between 2 and 256"); |
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124 } |
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125 } else if (strcmp(argv[1], "-cubesize") == 0) { |
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126 if (i++ >= argc) { |
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127 usage("no argument to -cubesize"); |
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128 } |
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129 virtcubesize = atoi(argv[i]); |
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130 if (virtcubesize == 0 || |
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131 (virtcubesize & (virtcubesize - 1)) != 0 || |
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132 virtcubesize > 32) |
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133 { |
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134 usage("cube size must by a power of 2 <= 32"); |
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135 } |
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136 } else if (strcmp(argv[i], "-verbose") == 0) { |
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137 makecube_verbose = 1; |
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138 } else { |
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139 usage("unknown argument"); |
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140 } |
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141 } |
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142 |
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143 if (cmapsize == 0) { |
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144 cmapsize = CMAPSIZE; |
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145 } |
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146 if (virtcubesize == 0) { |
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147 virtcubesize = VIRTCUBESIZE; |
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148 } |
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149 |
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150 if (0) { // For testing |
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151 HDC hDC = CreateDC("DISPLAY", NULL, NULL, NULL); |
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152 HPALETTE hPal = CreateHalftonePalette(hDC); |
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153 printPalette("Halftone palette for current display", hPal); |
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154 printPalette("Stock DEFAULT_PALETTE", (HPALETTE)GetStockObject(DEFAULT_PALETTE)); |
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155 BITMAPINFOHEADER bmInfo = { |
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156 sizeof(BITMAPINFOHEADER), 1, 1, 1, 8, BI_RGB, 0, 1000, 1000, 0, 0 |
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157 }; |
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158 HBITMAP hBitmap = CreateDIBitmap(hDC, &bmInfo, |
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159 0, NULL, NULL, DIB_RGB_COLORS); |
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160 HDC hMemDC = CreateCompatibleDC(hDC); |
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161 SelectObject(hDC, hBitmap); |
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162 hPal = CreateHalftonePalette(hMemDC); |
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163 printPalette("Halftone palette for 8-bit DIBitmap", hPal); |
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164 exit(0); |
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165 } |
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166 |
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167 // Allocate Windows static system colors. |
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168 { |
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169 PALETTEENTRY palEntries[256]; |
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170 HPALETTE hPal = (HPALETTE)GetStockObject(DEFAULT_PALETTE); |
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171 int n = GetPaletteEntries(hPal, 0, 256, palEntries); |
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172 for (i = 0; i < n; i++) { |
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173 addcmapcolor(palEntries[i].peRed, |
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174 palEntries[i].peGreen, |
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175 palEntries[i].peBlue); |
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176 setsyscolor((i < n / 2) ? i : i + (256 - n), |
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177 palEntries[i].peRed, |
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178 palEntries[i].peGreen, |
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179 palEntries[i].peBlue); |
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180 } |
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181 } |
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182 |
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183 // Allocate java.awt.Color constant colors. |
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184 addcmapcolor( 0, 0, 0); // black |
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185 addcmapcolor(255, 255, 255); // white |
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186 addcmapcolor(255, 0, 0); // red |
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187 addcmapcolor( 0, 255, 0); // green |
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188 addcmapcolor( 0, 0, 255); // blue |
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189 addcmapcolor(255, 255, 0); // yellow |
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190 addcmapcolor(255, 0, 255); // magenta |
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191 addcmapcolor( 0, 255, 255); // cyan |
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192 addcmapcolor(192, 192, 192); // lightGray |
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193 addcmapcolor(128, 128, 128); // gray |
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194 addcmapcolor( 64, 64, 64); // darkGray |
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195 addcmapcolor(255, 175, 175); // pink |
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196 addcmapcolor(255, 200, 0); // orange |
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197 |
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198 img_makePalette(cmapsize, virtcubesize, LOOKUPSIZE, |
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199 50.0f, 250.0f, |
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200 num_colors, TRUE, reds, greens, blues, cube); |
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201 |
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202 if (makecube_verbose) { |
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203 fprintf(stderr, "Calculated colormap:\n"); |
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204 for (i = 0; i < cmapsize; i++) { |
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205 fprintf(stderr, "%3d:(%3d,%3d,%3d) ", |
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206 i, reds[i], greens[i], blues[i]); |
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207 } |
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208 fprintf(stderr, "\n"); |
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209 } |
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210 |
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211 // Now simulate adding the halftone palette to the system |
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212 // palette to get an idea of palette ordering. |
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213 { |
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214 int cubevals[6] = {0, 44, 86, 135, 192, 255}; |
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215 for (int b = 0; b < 6; b++) { |
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216 for (int g = 0; g < 6; g++) { |
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217 for (int r = 0; r < 6; r++) { |
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218 setsyscolor(-1, cubevals[r], cubevals[g], cubevals[b]); |
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219 } |
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220 } |
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221 } |
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222 int grayvals[26] = { 0, 17, 24, 30, 37, 44, 52, 60, |
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223 68, 77, 86, 95, 105, 114, 125, 135, |
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224 146, 157, 168, 180, 192, 204, 216, 229, |
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225 242, 255 }; |
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226 for (i = 0; i < 26; i++) { |
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227 setsyscolor(-1, grayvals[i], grayvals[i], grayvals[i]); |
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228 } |
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229 } |
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230 |
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231 if (makecube_verbose) { |
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232 fprintf(stderr, "System palette with simulated halftone palette:\n"); |
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233 for (i = 0; i < 256; i++) { |
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234 fprintf(stderr, "%3d:(%3d,%3d,%3d) ", |
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235 i, sysPal[i].peRed, sysPal[i].peGreen, sysPal[i].peBlue); |
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236 } |
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237 } |
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238 |
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239 if (makecube_verbose) { |
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240 HDC hDC = CreateDC("DISPLAY", NULL, NULL, NULL); |
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241 HPALETTE hPal = CreateHalftonePalette(hDC); |
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242 SelectPalette(hDC, hPal, FALSE); |
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243 RealizePalette(hDC); |
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244 PALETTEENTRY palEntries[256]; |
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245 int n = GetSystemPaletteEntries(hDC, 0, 256, palEntries); |
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246 fprintf(stderr, |
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247 "realized halftone palette reads back %d entries\n", n); |
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248 int broken = 0; |
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249 for (i = 0; i < 256; i++) { |
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250 char *msg1 = ""; |
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251 char *msg2 = ""; |
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252 if (palEntries[i].peRed != sysPal[i].peRed || |
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253 palEntries[i].peGreen != sysPal[i].peGreen || |
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254 palEntries[i].peBlue != sysPal[i].peBlue) |
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255 { |
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256 msg1 = "no sysPal match!"; |
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257 if (sysPal[i].peFlags == 0) { |
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258 msg2 = "(OK)"; |
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259 } else { |
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260 broken++; |
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261 } |
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262 } else if (sysPal[i].peFlags == 0) { |
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263 msg1 = "no sysPal entry..."; |
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264 } |
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265 fprintf(stderr, |
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266 "palEntries[%3d] = (%3d, %3d, %3d), flags = %d %s %s\n", |
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267 i, |
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268 palEntries[i].peRed, |
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269 palEntries[i].peGreen, |
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270 palEntries[i].peBlue, |
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271 palEntries[i].peFlags, msg1, msg2); |
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272 } |
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273 fprintf(stderr, "%d broken entries\n", broken); |
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274 } |
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275 |
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276 #if 0 |
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277 #define BIGERROR (255 * 255 * 255) |
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278 |
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279 for (i = 0; i < 256; i++) { |
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280 sys2cmap[i] = -1; |
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281 cmap2sys[i] = -1; |
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282 error[i] = BIGERROR; |
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283 // error[i] = -1 means cmap[i] is locked to cmap2sys[i] |
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284 // error[i] >= 0 means cmap[i] may lock to cmap2sys[i] on this run |
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285 } |
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286 |
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287 int nummapped; |
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288 int totalmapped = 0; |
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289 do { |
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290 int maxerror = BIGERROR; |
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291 for (i = 0; i < 256; i++) { |
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292 if (sysPal[i].peFlags == 0 || sys2cmap[i] >= 0) { |
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293 continue; |
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294 } |
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295 int red = sysPal[i].peRed; |
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296 int green = sysPal[i].peGreen; |
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297 int blue = sysPal[i].peBlue; |
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298 int e = maxerror; |
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299 int ix = -1; |
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300 for (int j = 0; j < 256; j++) { |
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301 if (error[j] < 0) { |
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302 continue; |
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303 } |
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304 int t = red - reds[j]; |
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305 int d = t * t; |
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306 t = green - greens[j]; |
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307 d += t * t; |
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308 t = blue - blues[j]; |
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309 d += t * t; |
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310 if (d < e) { |
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311 e = d; |
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312 ix = j; |
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313 } |
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314 } |
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315 if (ix >= 0) { |
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316 if (e < error[ix]) { |
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317 if (cmap2sys[ix] >= 0) { |
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318 // To be fair we will not accept any matches |
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319 // looser than this former match that we just |
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320 // displaced with a better match. |
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321 if (maxerror > error[ix]) { |
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322 maxerror = error[ix]; |
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323 } |
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324 sys2cmap[cmap2sys[ix]] = -1; |
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325 } |
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326 error[ix] = e; |
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327 sys2cmap[i] = ix; |
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328 cmap2sys[ix] = i; |
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329 } |
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330 } |
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331 } |
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332 nummapped = 0; |
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333 for (i = 0; i < 256; i++) { |
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334 if (error[i] >= 0) { |
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335 if (error[i] >= maxerror) { |
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336 // Throw this one back to be fair to a displaced entry. |
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337 error[i] = BIGERROR; |
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338 sys2cmap[cmap2sys[i]] = -1; |
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339 cmap2sys[i] = -1; |
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340 continue; |
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341 } |
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342 error[i] = -1; |
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343 nummapped++; |
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344 } |
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345 } |
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346 totalmapped += nummapped; |
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347 if (makecube_verbose) { |
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348 fprintf(stderr, "%3d colors mapped (%3d total), maxerror = %d\n", |
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349 nummapped, totalmapped, maxerror); |
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350 } |
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351 } while (nummapped != 0); |
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352 |
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353 for (i = 0; i < 256; i++) { |
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354 if (cmap2sys[i] < 0) { |
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355 for (int j = 0; j < 256; j++) { |
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356 if (sys2cmap[j] < 0) { |
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357 cmap2sys[i] = j; |
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358 sys2cmap[j] = i; |
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359 break; |
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360 } |
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361 } |
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362 if (j == 256) { |
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363 usage("Internal error: no unused system entry for cmap entry!\n"); |
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364 } |
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365 } |
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366 } |
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367 #else |
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368 for (i = 0; i < 256; i++) { |
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369 if (i < 10) { |
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370 sys2cmap[i] = i; |
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371 cmap2sys[i] = i; |
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372 } else if (i < 20) { |
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373 sys2cmap[256 - 20 + i] = i; |
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374 cmap2sys[i] = 256 - 20 + i; |
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375 } else { |
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376 sys2cmap[i - 10] = i; |
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377 cmap2sys[i] = i - 10; |
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378 } |
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379 } |
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380 #endif |
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381 |
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382 if (makecube_verbose) { |
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383 fprintf(stderr, "cmap2sys mapping: \n"); |
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384 for (i = 0; i < 256; i++) { |
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385 fprintf(stderr, "%4d", cmap2sys[i]); |
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386 if (sys2cmap[cmap2sys[i]] != i) { |
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387 usage("Internal error: bad system palette back pointer!\n"); |
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388 } |
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389 } |
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390 fprintf(stderr, "\n"); |
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391 } |
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392 |
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393 printf("unsigned char awt_reds[256] = {"); |
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394 for (i = 0; i < 256; i++) { |
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395 if ((i & 0xf) == 0) printf("\n\t"); |
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396 printf("%3d,", reds[sys2cmap[i]]); |
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397 } |
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398 printf("\n};\n"); |
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399 printf("unsigned char awt_greens[256] = {"); |
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400 for (i = 0; i < 256; i++) { |
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401 if ((i & 0xf) == 0) printf("\n\t"); |
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402 printf("%3d,", greens[sys2cmap[i]]); |
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403 } |
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404 printf("\n};\n"); |
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405 printf("unsigned char awt_blues[256] = {"); |
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406 for (i = 0; i < 256; i++) { |
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407 if ((i & 0xf) == 0) printf("\n\t"); |
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408 printf("%3d,", blues[sys2cmap[i]]); |
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409 } |
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410 printf("\n};\n"); |
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411 fflush(stdout); |
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412 return 0; |
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413 } |
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414 |
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415 void printPalette(char *label, HPALETTE hPal) |
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416 { |
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417 PALETTEENTRY palEntries[256]; |
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418 fprintf(stderr, "%s (0x%08x):\n", label, hPal); |
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419 int n = GetPaletteEntries(hPal, 0, 256, palEntries); |
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420 for (int i = 0; i < n; i++) { |
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421 fprintf(stderr, "palEntries[%3d] = (%3d, %3d, %3d), flags = %d\n", |
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422 i, |
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423 palEntries[i].peRed, |
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424 palEntries[i].peGreen, |
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425 palEntries[i].peBlue, |
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426 palEntries[i].peFlags); |
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427 } |
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428 } |
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429 |
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430 /* This helps eliminate any dependence on javai.dll at build time. */ |
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431 int |
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432 jio_fprintf (FILE *handle, const char *format, ...) |
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433 { |
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434 int len; |
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435 |
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436 va_list args; |
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437 va_start(args, format); |
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438 len = vfprintf(handle, format, args); |
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439 va_end(args); |
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440 |
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441 return len; |
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442 } |
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