J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-1999 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include "awt.h" |
| 27 | #include "awt_image.h" |
| 28 | |
| 29 | extern "C" { |
| 30 | #include "img_colors.h" |
| 31 | } // extern "C" |
| 32 | |
| 33 | char *programname = "awt_makecube"; |
| 34 | |
| 35 | unsigned char cube[LOOKUPSIZE * LOOKUPSIZE * LOOKUPSIZE]; |
| 36 | |
| 37 | unsigned char reds[256], greens[256], blues[256], indices[256]; |
| 38 | int num_colors; |
| 39 | |
| 40 | PALETTEENTRY sysPal[256]; |
| 41 | |
| 42 | int sys2cmap[256]; |
| 43 | int cmap2sys[256]; |
| 44 | int error[256]; |
| 45 | |
| 46 | int cmapsize = 0; |
| 47 | int virtcubesize = 0; |
| 48 | int makecube_verbose = 0; |
| 49 | |
| 50 | void printPalette(char *label, HPALETTE hPal); |
| 51 | |
| 52 | void usage(char *errmsg) |
| 53 | { |
| 54 | fprintf(stderr, "%s\n", errmsg); |
| 55 | fprintf(stderr, "usage: %s [-cmapsize N] [-cubesize N]\n", programname); |
| 56 | fprintf(stderr, "\t-cmapsize N set the number of colors to allocate\n"); |
| 57 | fprintf(stderr, "\t in the colormap (2 <= N <= 256)\n"); |
| 58 | fprintf(stderr, "\t-cubesize N set the size of the cube of colors to\n"); |
| 59 | fprintf(stderr, " scan as potential entries in the cmap\n"); |
| 60 | fprintf(stderr, " (N must be a power of 2 and <= 32)\n"); |
| 61 | exit(1); |
| 62 | } |
| 63 | |
| 64 | void setsyscolor(int index, int red, int green, int blue) |
| 65 | { |
| 66 | if (index >= 0) { |
| 67 | if (sysPal[index].peFlags != 0) { |
| 68 | usage("Internal error: system palette conflict"); |
| 69 | } |
| 70 | } else { |
| 71 | for (int i = 0; i < 256; i++) { |
| 72 | if (sysPal[i].peFlags != 0) { |
| 73 | if (sysPal[i].peRed == red && |
| 74 | sysPal[i].peGreen == green && |
| 75 | sysPal[i].peBlue == blue) |
| 76 | { |
| 77 | // Already there. Ignore it. |
| 78 | return; |
| 79 | } |
| 80 | } else if (index < 0) { |
| 81 | index = i; |
| 82 | } |
| 83 | } |
| 84 | if (index < 0) { |
| 85 | usage("Internal error: ran out of system palette entries"); |
| 86 | } |
| 87 | } |
| 88 | sysPal[index].peRed = red; |
| 89 | sysPal[index].peGreen = green; |
| 90 | sysPal[index].peBlue = blue; |
| 91 | sysPal[index].peFlags = 1; |
| 92 | } |
| 93 | |
| 94 | void addcmapcolor(int red, int green, int blue) |
| 95 | { |
| 96 | for (int i = 0; i < num_colors; i++) { |
| 97 | if (red == reds[i] && green == greens[i] && blue == blues[i]) { |
| 98 | return; |
| 99 | } |
| 100 | } |
| 101 | if (num_colors >= cmapsize) { |
| 102 | usage("Internal error: more than cmapsize static colors defined"); |
| 103 | } |
| 104 | reds[num_colors] = red; |
| 105 | greens[num_colors] = green; |
| 106 | blues[num_colors] = blue; |
| 107 | num_colors++; |
| 108 | } |
| 109 | |
| 110 | int main(int argc, char **argv) |
| 111 | { |
| 112 | int i; |
| 113 | |
| 114 | programname = argv[0]; |
| 115 | |
| 116 | for (i = 1; i < argc; i++) { |
| 117 | if (strcmp(argv[i], "-cmapsize") == 0) { |
| 118 | if (i++ >= argc) { |
| 119 | usage("no argument to -cmapsize"); |
| 120 | } |
| 121 | cmapsize = atoi(argv[i]); |
| 122 | if (cmapsize <= 2 || cmapsize > 256) { |
| 123 | usage("colormap size must be between 2 and 256"); |
| 124 | } |
| 125 | } else if (strcmp(argv[1], "-cubesize") == 0) { |
| 126 | if (i++ >= argc) { |
| 127 | usage("no argument to -cubesize"); |
| 128 | } |
| 129 | virtcubesize = atoi(argv[i]); |
| 130 | if (virtcubesize == 0 || |
| 131 | (virtcubesize & (virtcubesize - 1)) != 0 || |
| 132 | virtcubesize > 32) |
| 133 | { |
| 134 | usage("cube size must by a power of 2 <= 32"); |
| 135 | } |
| 136 | } else if (strcmp(argv[i], "-verbose") == 0) { |
| 137 | makecube_verbose = 1; |
| 138 | } else { |
| 139 | usage("unknown argument"); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | if (cmapsize == 0) { |
| 144 | cmapsize = CMAPSIZE; |
| 145 | } |
| 146 | if (virtcubesize == 0) { |
| 147 | virtcubesize = VIRTCUBESIZE; |
| 148 | } |
| 149 | |
| 150 | if (0) { // For testing |
| 151 | HDC hDC = CreateDC("DISPLAY", NULL, NULL, NULL); |
| 152 | HPALETTE hPal = CreateHalftonePalette(hDC); |
| 153 | printPalette("Halftone palette for current display", hPal); |
| 154 | printPalette("Stock DEFAULT_PALETTE", (HPALETTE)GetStockObject(DEFAULT_PALETTE)); |
| 155 | BITMAPINFOHEADER bmInfo = { |
| 156 | sizeof(BITMAPINFOHEADER), 1, 1, 1, 8, BI_RGB, 0, 1000, 1000, 0, 0 |
| 157 | }; |
| 158 | HBITMAP hBitmap = CreateDIBitmap(hDC, &bmInfo, |
| 159 | 0, NULL, NULL, DIB_RGB_COLORS); |
| 160 | HDC hMemDC = CreateCompatibleDC(hDC); |
| 161 | SelectObject(hDC, hBitmap); |
| 162 | hPal = CreateHalftonePalette(hMemDC); |
| 163 | printPalette("Halftone palette for 8-bit DIBitmap", hPal); |
| 164 | exit(0); |
| 165 | } |
| 166 | |
| 167 | // Allocate Windows static system colors. |
| 168 | { |
| 169 | PALETTEENTRY palEntries[256]; |
| 170 | HPALETTE hPal = (HPALETTE)GetStockObject(DEFAULT_PALETTE); |
| 171 | int n = GetPaletteEntries(hPal, 0, 256, palEntries); |
| 172 | for (i = 0; i < n; i++) { |
| 173 | addcmapcolor(palEntries[i].peRed, |
| 174 | palEntries[i].peGreen, |
| 175 | palEntries[i].peBlue); |
| 176 | setsyscolor((i < n / 2) ? i : i + (256 - n), |
| 177 | palEntries[i].peRed, |
| 178 | palEntries[i].peGreen, |
| 179 | palEntries[i].peBlue); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | // Allocate java.awt.Color constant colors. |
| 184 | addcmapcolor( 0, 0, 0); // black |
| 185 | addcmapcolor(255, 255, 255); // white |
| 186 | addcmapcolor(255, 0, 0); // red |
| 187 | addcmapcolor( 0, 255, 0); // green |
| 188 | addcmapcolor( 0, 0, 255); // blue |
| 189 | addcmapcolor(255, 255, 0); // yellow |
| 190 | addcmapcolor(255, 0, 255); // magenta |
| 191 | addcmapcolor( 0, 255, 255); // cyan |
| 192 | addcmapcolor(192, 192, 192); // lightGray |
| 193 | addcmapcolor(128, 128, 128); // gray |
| 194 | addcmapcolor( 64, 64, 64); // darkGray |
| 195 | addcmapcolor(255, 175, 175); // pink |
| 196 | addcmapcolor(255, 200, 0); // orange |
| 197 | |
| 198 | img_makePalette(cmapsize, virtcubesize, LOOKUPSIZE, |
| 199 | 50.0f, 250.0f, |
| 200 | num_colors, TRUE, reds, greens, blues, cube); |
| 201 | |
| 202 | if (makecube_verbose) { |
| 203 | fprintf(stderr, "Calculated colormap:\n"); |
| 204 | for (i = 0; i < cmapsize; i++) { |
| 205 | fprintf(stderr, "%3d:(%3d,%3d,%3d) ", |
| 206 | i, reds[i], greens[i], blues[i]); |
| 207 | } |
| 208 | fprintf(stderr, "\n"); |
| 209 | } |
| 210 | |
| 211 | // Now simulate adding the halftone palette to the system |
| 212 | // palette to get an idea of palette ordering. |
| 213 | { |
| 214 | int cubevals[6] = {0, 44, 86, 135, 192, 255}; |
| 215 | for (int b = 0; b < 6; b++) { |
| 216 | for (int g = 0; g < 6; g++) { |
| 217 | for (int r = 0; r < 6; r++) { |
| 218 | setsyscolor(-1, cubevals[r], cubevals[g], cubevals[b]); |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | int grayvals[26] = { 0, 17, 24, 30, 37, 44, 52, 60, |
| 223 | 68, 77, 86, 95, 105, 114, 125, 135, |
| 224 | 146, 157, 168, 180, 192, 204, 216, 229, |
| 225 | 242, 255 }; |
| 226 | for (i = 0; i < 26; i++) { |
| 227 | setsyscolor(-1, grayvals[i], grayvals[i], grayvals[i]); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | if (makecube_verbose) { |
| 232 | fprintf(stderr, "System palette with simulated halftone palette:\n"); |
| 233 | for (i = 0; i < 256; i++) { |
| 234 | fprintf(stderr, "%3d:(%3d,%3d,%3d) ", |
| 235 | i, sysPal[i].peRed, sysPal[i].peGreen, sysPal[i].peBlue); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | if (makecube_verbose) { |
| 240 | HDC hDC = CreateDC("DISPLAY", NULL, NULL, NULL); |
| 241 | HPALETTE hPal = CreateHalftonePalette(hDC); |
| 242 | SelectPalette(hDC, hPal, FALSE); |
| 243 | RealizePalette(hDC); |
| 244 | PALETTEENTRY palEntries[256]; |
| 245 | int n = GetSystemPaletteEntries(hDC, 0, 256, palEntries); |
| 246 | fprintf(stderr, |
| 247 | "realized halftone palette reads back %d entries\n", n); |
| 248 | int broken = 0; |
| 249 | for (i = 0; i < 256; i++) { |
| 250 | char *msg1 = ""; |
| 251 | char *msg2 = ""; |
| 252 | if (palEntries[i].peRed != sysPal[i].peRed || |
| 253 | palEntries[i].peGreen != sysPal[i].peGreen || |
| 254 | palEntries[i].peBlue != sysPal[i].peBlue) |
| 255 | { |
| 256 | msg1 = "no sysPal match!"; |
| 257 | if (sysPal[i].peFlags == 0) { |
| 258 | msg2 = "(OK)"; |
| 259 | } else { |
| 260 | broken++; |
| 261 | } |
| 262 | } else if (sysPal[i].peFlags == 0) { |
| 263 | msg1 = "no sysPal entry..."; |
| 264 | } |
| 265 | fprintf(stderr, |
| 266 | "palEntries[%3d] = (%3d, %3d, %3d), flags = %d %s %s\n", |
| 267 | i, |
| 268 | palEntries[i].peRed, |
| 269 | palEntries[i].peGreen, |
| 270 | palEntries[i].peBlue, |
| 271 | palEntries[i].peFlags, msg1, msg2); |
| 272 | } |
| 273 | fprintf(stderr, "%d broken entries\n", broken); |
| 274 | } |
| 275 | |
| 276 | #if 0 |
| 277 | #define BIGERROR (255 * 255 * 255) |
| 278 | |
| 279 | for (i = 0; i < 256; i++) { |
| 280 | sys2cmap[i] = -1; |
| 281 | cmap2sys[i] = -1; |
| 282 | error[i] = BIGERROR; |
| 283 | // error[i] = -1 means cmap[i] is locked to cmap2sys[i] |
| 284 | // error[i] >= 0 means cmap[i] may lock to cmap2sys[i] on this run |
| 285 | } |
| 286 | |
| 287 | int nummapped; |
| 288 | int totalmapped = 0; |
| 289 | do { |
| 290 | int maxerror = BIGERROR; |
| 291 | for (i = 0; i < 256; i++) { |
| 292 | if (sysPal[i].peFlags == 0 || sys2cmap[i] >= 0) { |
| 293 | continue; |
| 294 | } |
| 295 | int red = sysPal[i].peRed; |
| 296 | int green = sysPal[i].peGreen; |
| 297 | int blue = sysPal[i].peBlue; |
| 298 | int e = maxerror; |
| 299 | int ix = -1; |
| 300 | for (int j = 0; j < 256; j++) { |
| 301 | if (error[j] < 0) { |
| 302 | continue; |
| 303 | } |
| 304 | int t = red - reds[j]; |
| 305 | int d = t * t; |
| 306 | t = green - greens[j]; |
| 307 | d += t * t; |
| 308 | t = blue - blues[j]; |
| 309 | d += t * t; |
| 310 | if (d < e) { |
| 311 | e = d; |
| 312 | ix = j; |
| 313 | } |
| 314 | } |
| 315 | if (ix >= 0) { |
| 316 | if (e < error[ix]) { |
| 317 | if (cmap2sys[ix] >= 0) { |
| 318 | // To be fair we will not accept any matches |
| 319 | // looser than this former match that we just |
| 320 | // displaced with a better match. |
| 321 | if (maxerror > error[ix]) { |
| 322 | maxerror = error[ix]; |
| 323 | } |
| 324 | sys2cmap[cmap2sys[ix]] = -1; |
| 325 | } |
| 326 | error[ix] = e; |
| 327 | sys2cmap[i] = ix; |
| 328 | cmap2sys[ix] = i; |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | nummapped = 0; |
| 333 | for (i = 0; i < 256; i++) { |
| 334 | if (error[i] >= 0) { |
| 335 | if (error[i] >= maxerror) { |
| 336 | // Throw this one back to be fair to a displaced entry. |
| 337 | error[i] = BIGERROR; |
| 338 | sys2cmap[cmap2sys[i]] = -1; |
| 339 | cmap2sys[i] = -1; |
| 340 | continue; |
| 341 | } |
| 342 | error[i] = -1; |
| 343 | nummapped++; |
| 344 | } |
| 345 | } |
| 346 | totalmapped += nummapped; |
| 347 | if (makecube_verbose) { |
| 348 | fprintf(stderr, "%3d colors mapped (%3d total), maxerror = %d\n", |
| 349 | nummapped, totalmapped, maxerror); |
| 350 | } |
| 351 | } while (nummapped != 0); |
| 352 | |
| 353 | for (i = 0; i < 256; i++) { |
| 354 | if (cmap2sys[i] < 0) { |
| 355 | for (int j = 0; j < 256; j++) { |
| 356 | if (sys2cmap[j] < 0) { |
| 357 | cmap2sys[i] = j; |
| 358 | sys2cmap[j] = i; |
| 359 | break; |
| 360 | } |
| 361 | } |
| 362 | if (j == 256) { |
| 363 | usage("Internal error: no unused system entry for cmap entry!\n"); |
| 364 | } |
| 365 | } |
| 366 | } |
| 367 | #else |
| 368 | for (i = 0; i < 256; i++) { |
| 369 | if (i < 10) { |
| 370 | sys2cmap[i] = i; |
| 371 | cmap2sys[i] = i; |
| 372 | } else if (i < 20) { |
| 373 | sys2cmap[256 - 20 + i] = i; |
| 374 | cmap2sys[i] = 256 - 20 + i; |
| 375 | } else { |
| 376 | sys2cmap[i - 10] = i; |
| 377 | cmap2sys[i] = i - 10; |
| 378 | } |
| 379 | } |
| 380 | #endif |
| 381 | |
| 382 | if (makecube_verbose) { |
| 383 | fprintf(stderr, "cmap2sys mapping: \n"); |
| 384 | for (i = 0; i < 256; i++) { |
| 385 | fprintf(stderr, "%4d", cmap2sys[i]); |
| 386 | if (sys2cmap[cmap2sys[i]] != i) { |
| 387 | usage("Internal error: bad system palette back pointer!\n"); |
| 388 | } |
| 389 | } |
| 390 | fprintf(stderr, "\n"); |
| 391 | } |
| 392 | |
| 393 | printf("unsigned char awt_reds[256] = {"); |
| 394 | for (i = 0; i < 256; i++) { |
| 395 | if ((i & 0xf) == 0) printf("\n\t"); |
| 396 | printf("%3d,", reds[sys2cmap[i]]); |
| 397 | } |
| 398 | printf("\n};\n"); |
| 399 | printf("unsigned char awt_greens[256] = {"); |
| 400 | for (i = 0; i < 256; i++) { |
| 401 | if ((i & 0xf) == 0) printf("\n\t"); |
| 402 | printf("%3d,", greens[sys2cmap[i]]); |
| 403 | } |
| 404 | printf("\n};\n"); |
| 405 | printf("unsigned char awt_blues[256] = {"); |
| 406 | for (i = 0; i < 256; i++) { |
| 407 | if ((i & 0xf) == 0) printf("\n\t"); |
| 408 | printf("%3d,", blues[sys2cmap[i]]); |
| 409 | } |
| 410 | printf("\n};\n"); |
| 411 | fflush(stdout); |
| 412 | return 0; |
| 413 | } |
| 414 | |
| 415 | void printPalette(char *label, HPALETTE hPal) |
| 416 | { |
| 417 | PALETTEENTRY palEntries[256]; |
| 418 | fprintf(stderr, "%s (0x%08x):\n", label, hPal); |
| 419 | int n = GetPaletteEntries(hPal, 0, 256, palEntries); |
| 420 | for (int i = 0; i < n; i++) { |
| 421 | fprintf(stderr, "palEntries[%3d] = (%3d, %3d, %3d), flags = %d\n", |
| 422 | i, |
| 423 | palEntries[i].peRed, |
| 424 | palEntries[i].peGreen, |
| 425 | palEntries[i].peBlue, |
| 426 | palEntries[i].peFlags); |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | /* This helps eliminate any dependence on javai.dll at build time. */ |
| 431 | int |
| 432 | jio_fprintf (FILE *handle, const char *format, ...) |
| 433 | { |
| 434 | int len; |
| 435 | |
| 436 | va_list args; |
| 437 | va_start(args, format); |
| 438 | len = vfprintf(handle, format, args); |
| 439 | va_end(args); |
| 440 | |
| 441 | return len; |
| 442 | } |