/* See LICENSE file for licensing information. */ #include "pm_c_util.h" #include "mallocvar.h" #include "pnm.h" #include "palm.h" int palmcolor_compare_indices(const void * const p1, const void * const p2) { if ((*((Color) p1) & 0xFF000000) < (*((Color) p2) & 0xFF000000)) return -1; else if ((*((Color) p1) & 0xFF000000) > (*((Color) p2) & 0xFF000000)) return 1; else return 0; } int palmcolor_compare_colors(const void * const p1, const void * const p2) { unsigned long const val1 = *((const unsigned long *) p1) & 0xFFFFFF; unsigned long const val2 = *((const unsigned long *) p2) & 0xFFFFFF; if (val1 < val2) return -1; else if (val1 > val2) return 1; else return 0; } /*********************************************************************** *********************************************************************** *********************************************************************** ******* colortables from pilrc-2.6/bitmap.c *************************** *********************************************************************** *********************************************************************** ***********************************************************************/ #if 0 /* * The 1bit-2 color system palette for Palm Computing Devices. */ static int PalmPalette1bpp[2][3] = { { 255, 255, 255}, { 0, 0, 0 } }; /* * The 2bit-4 color system palette for Palm Computing Devices. */ static int PalmPalette2bpp[4][3] = { { 255, 255, 255}, { 192, 192, 192}, { 128, 128, 128 }, { 0, 0, 0 } }; /* * The 4bit-16 color system palette for Palm Computing Devices. */ static int PalmPalette4bpp[16][3] = { { 255, 255, 255}, { 238, 238, 238 }, { 221, 221, 221 }, { 204, 204, 204 }, { 187, 187, 187}, { 170, 170, 170 }, { 153, 153, 153 }, { 136, 136, 136 }, { 119, 119, 119}, { 102, 102, 102 }, { 85, 85, 85 }, { 68, 68, 68 }, { 51, 51, 51}, { 34, 34, 34 }, { 17, 17, 17 }, { 0, 0, 0 } }; /* * The 4bit-16 color system palette for Palm Computing Devices. */ static int PalmPalette4bppColor[16][3] = { { 255, 255, 255}, { 128, 128, 128 }, { 128, 0, 0 }, { 128, 128, 0 }, { 0, 128, 0}, { 0, 128, 128 }, { 0, 0, 128 }, { 128, 0, 128 }, { 255, 0, 255}, { 192, 192, 192 }, { 255, 0, 0 }, { 255, 255, 0 }, { 0, 255, 0}, { 0, 255, 255 }, { 0, 0, 255 }, { 0, 0, 0 } }; #endif /* 0 */ /* * The 8bit-256 color system palette for Palm Computing Devices. * * NOTE: only the first 231, plus the last one, are valid. */ static int PalmPalette8bpp[256][3] = { { 255, 255, 255 }, { 255, 204, 255 }, { 255, 153, 255 }, { 255, 102, 255 }, { 255, 51, 255 }, { 255, 0, 255 }, { 255, 255, 204 }, { 255, 204, 204 }, { 255, 153, 204 }, { 255, 102, 204 }, { 255, 51, 204 }, { 255, 0, 204 }, { 255, 255, 153 }, { 255, 204, 153 }, { 255, 153, 153 }, { 255, 102, 153 }, { 255, 51, 153 }, { 255, 0, 153 }, { 204, 255, 255 }, { 204, 204, 255 }, { 204, 153, 255 }, { 204, 102, 255 }, { 204, 51, 255 }, { 204, 0, 255 }, { 204, 255, 204 }, { 204, 204, 204 }, { 204, 153, 204 }, { 204, 102, 204 }, { 204, 51, 204 }, { 204, 0, 204 }, { 204, 255, 153 }, { 204, 204, 153 }, { 204, 153, 153 }, { 204, 102, 153 }, { 204, 51, 153 }, { 204, 0, 153 }, { 153, 255, 255 }, { 153, 204, 255 }, { 153, 153, 255 }, { 153, 102, 255 }, { 153, 51, 255 }, { 153, 0, 255 }, { 153, 255, 204 }, { 153, 204, 204 }, { 153, 153, 204 }, { 153, 102, 204 }, { 153, 51, 204 }, { 153, 0, 204 }, { 153, 255, 153 }, { 153, 204, 153 }, { 153, 153, 153 }, { 153, 102, 153 }, { 153, 51, 153 }, { 153, 0, 153 }, { 102, 255, 255 }, { 102, 204, 255 }, { 102, 153, 255 }, { 102, 102, 255 }, { 102, 51, 255 }, { 102, 0, 255 }, { 102, 255, 204 }, { 102, 204, 204 }, { 102, 153, 204 }, { 102, 102, 204 }, { 102, 51, 204 }, { 102, 0, 204 }, { 102, 255, 153 }, { 102, 204, 153 }, { 102, 153, 153 }, { 102, 102, 153 }, { 102, 51, 153 }, { 102, 0, 153 }, { 51, 255, 255 }, { 51, 204, 255 }, { 51, 153, 255 }, { 51, 102, 255 }, { 51, 51, 255 }, { 51, 0, 255 }, { 51, 255, 204 }, { 51, 204, 204 }, { 51, 153, 204 }, { 51, 102, 204 }, { 51, 51, 204 }, { 51, 0, 204 }, { 51, 255, 153 }, { 51, 204, 153 }, { 51, 153, 153 }, { 51, 102, 153 }, { 51, 51, 153 }, { 51, 0, 153 }, { 0, 255, 255 }, { 0, 204, 255 }, { 0, 153, 255 }, { 0, 102, 255 }, { 0, 51, 255 }, { 0, 0, 255 }, { 0, 255, 204 }, { 0, 204, 204 }, { 0, 153, 204 }, { 0, 102, 204 }, { 0, 51, 204 }, { 0, 0, 204 }, { 0, 255, 153 }, { 0, 204, 153 }, { 0, 153, 153 }, { 0, 102, 153 }, { 0, 51, 153 }, { 0, 0, 153 }, { 255, 255, 102 }, { 255, 204, 102 }, { 255, 153, 102 }, { 255, 102, 102 }, { 255, 51, 102 }, { 255, 0, 102 }, { 255, 255, 51 }, { 255, 204, 51 }, { 255, 153, 51 }, { 255, 102, 51 }, { 255, 51, 51 }, { 255, 0, 51 }, { 255, 255, 0 }, { 255, 204, 0 }, { 255, 153, 0 }, { 255, 102, 0 }, { 255, 51, 0 }, { 255, 0, 0 }, { 204, 255, 102 }, { 204, 204, 102 }, { 204, 153, 102 }, { 204, 102, 102 }, { 204, 51, 102 }, { 204, 0, 102 }, { 204, 255, 51 }, { 204, 204, 51 }, { 204, 153, 51 }, { 204, 102, 51 }, { 204, 51, 51 }, { 204, 0, 51 }, { 204, 255, 0 }, { 204, 204, 0 }, { 204, 153, 0 }, { 204, 102, 0 }, { 204, 51, 0 }, { 204, 0, 0 }, { 153, 255, 102 }, { 153, 204, 102 }, { 153, 153, 102 }, { 153, 102, 102 }, { 153, 51, 102 }, { 153, 0, 102 }, { 153, 255, 51 }, { 153, 204, 51 }, { 153, 153, 51 }, { 153, 102, 51 }, { 153, 51, 51 }, { 153, 0, 51 }, { 153, 255, 0 }, { 153, 204, 0 }, { 153, 153, 0 }, { 153, 102, 0 }, { 153, 51, 0 }, { 153, 0, 0 }, { 102, 255, 102 }, { 102, 204, 102 }, { 102, 153, 102 }, { 102, 102, 102 }, { 102, 51, 102 }, { 102, 0, 102 }, { 102, 255, 51 }, { 102, 204, 51 }, { 102, 153, 51 }, { 102, 102, 51 }, { 102, 51, 51 }, { 102, 0, 51 }, { 102, 255, 0 }, { 102, 204, 0 }, { 102, 153, 0 }, { 102, 102, 0 }, { 102, 51, 0 }, { 102, 0, 0 }, { 51, 255, 102 }, { 51, 204, 102 }, { 51, 153, 102 }, { 51, 102, 102 }, { 51, 51, 102 }, { 51, 0, 102 }, { 51, 255, 51 }, { 51, 204, 51 }, { 51, 153, 51 }, { 51, 102, 51 }, { 51, 51, 51 }, { 51, 0, 51 }, { 51, 255, 0 }, { 51, 204, 0 }, { 51, 153, 0 }, { 51, 102, 0 }, { 51, 51, 0 }, { 51, 0, 0 }, { 0, 255, 102 }, { 0, 204, 102 }, { 0, 153, 102 }, { 0, 102, 102 }, { 0, 51, 102 }, { 0, 0, 102 }, { 0, 255, 51 }, { 0, 204, 51 }, { 0, 153, 51 }, { 0, 102, 51 }, { 0, 51, 51 }, { 0, 0, 51 }, { 0, 255, 0 }, { 0, 204, 0 }, { 0, 153, 0 }, { 0, 102, 0 }, { 0, 51, 0 }, { 17, 17, 17 }, { 34, 34, 34 }, { 68, 68, 68 }, { 85, 85, 85 }, { 119, 119, 119 }, { 136, 136, 136 }, { 170, 170, 170 }, { 187, 187, 187 }, { 221, 221, 221 }, { 238, 238, 238 }, { 192, 192, 192 }, { 128, 0, 0 }, { 128, 0, 128 }, { 0, 128, 0 }, { 0, 128, 128 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 } }; Colormap palmcolor_build_default_8bit_colormap(void) { unsigned int i; Colormap cm; MALLOCVAR_NOFAIL(cm); cm->nentries = 232; MALLOCARRAY_NOFAIL(cm->color_entries, cm->nentries); /* Fill in the colors */ for (i = 0; i < 231; ++i) { cm->color_entries[i] = ((i << 24) | (PalmPalette8bpp[i][0] << 16) | (PalmPalette8bpp[i][1] << 8) | (PalmPalette8bpp[i][2])); } cm->color_entries[231] = 0xFF000000; cm->ncolors = 232; /* now sort the table */ qsort (cm->color_entries, cm->ncolors, sizeof(Color_s), palmcolor_compare_colors); return cm; } Colormap palmcolor_build_custom_8bit_colormap(unsigned int const rows, unsigned int const cols, pixel ** const pixels) { unsigned int row; Colormap colormap; MALLOCVAR_NOFAIL(colormap); colormap->nentries = 256; MALLOCARRAY_NOFAIL(colormap->color_entries, colormap->nentries); colormap->ncolors = 0; /* initial value */ for (row = 0; row < rows; ++row) { unsigned int col; for (col = 0; col < cols; ++col) { Color found; Color_s temp; temp = ((PPM_GETR(pixels[row][col]) << 16) | (PPM_GETG(pixels[row][col]) << 8) | PPM_GETB(pixels[row][col])); found = (bsearch (&temp, colormap->color_entries, colormap->ncolors, sizeof(Color_s), palmcolor_compare_colors)); if (!found) { if (colormap->ncolors >= colormap->nentries) pm_error("Too many colors for custom colormap " "(max 256). " "Try using pnmquant to reduce the number " "of colors."); else { /* add the new color, and re-sort */ temp |= ((colormap->ncolors) << 24); colormap->color_entries[colormap->ncolors] = temp; colormap->ncolors += 1; qsort(colormap->color_entries, colormap->ncolors, sizeof(Color_s), palmcolor_compare_colors); } } } } return colormap; } Colormap palmcolor_read_colormap (FILE * const ifP) { unsigned short ncolors; Colormap retval; int rc; rc = pm_readbigshort(ifP, (short *) &ncolors); if (rc != 0) retval = NULL; else { long colorentry; Colormap colormap; unsigned int i; bool error; MALLOCVAR_NOFAIL(colormap); colormap->nentries = ncolors; MALLOCARRAY_NOFAIL(colormap->color_entries, colormap->nentries); for (i = 0, error = FALSE; i < ncolors && !error; ++i) { int rc; rc = pm_readbiglong(ifP, &colorentry); if (rc != 0) error = TRUE; else colormap->color_entries[i] = (colorentry & 0xFFFFFFFF); } if (error) { free (colormap->color_entries); free (colormap); retval = NULL; } else { colormap->ncolors = ncolors; retval = colormap; } } return retval; }