Cross Reference: /vbox/src/libs/libpng-1.2.8/pngrtran.c

Lines Matching defs:palette
127 /* Dither file to 8 bit.  Supply a palette, the current number
128  * of elements in the palette, the maximum number of elements
130  * of colors is greater then the maximum number, the palette will be
146 png_set_dither(png_structp png_ptr, png_colorp palette,
180          /* Find the least used palette entries by starting a
209          /* swap the palette around, and set up a table, if necessary */
223                   palette[i] = palette[j];
244                   tmp_color = palette[j];
245                   palette[j] = palette[i];
246                   palette[i] = tmp_color;
262                   min_d = PNG_COLOR_DIST(palette[d_index], palette[0]);
267                      d = PNG_COLOR_DIST(palette[d_index], palette[k]);
301          /* initialize palette index arrays */
342                   d = PNG_COLOR_DIST(palette[i], palette[j]);
389                         palette[png_ptr->index_to_palette[j]]
390                           = palette[num_new_palette];
448    if (png_ptr->palette == NULL)
450       png_ptr->palette = palette;
479          int r = (palette[i].red >> (8 - PNG_DITHER_RED_BITS));
480          int g = (palette[i].green >> (8 - PNG_DITHER_GREEN_BITS));
481          int b = (palette[i].blue >> (8 - PNG_DITHER_BLUE_BITS));
527  * are present in the tRNS array for palette images.  We can't do it here
558  *  fully transparent palette entry to a full alpha channel--perhaps instead
687  * the palette.
736             png_ptr->palette[png_ptr->background.index].red;
738             png_ptr->palette[png_ptr->background.index].green;
740             png_ptr->palette[png_ptr->background.index].blue;
794             png_colorp palette = png_ptr->palette;
860                      palette[i] = back;
866                      v = png_ptr->gamma_to_1[palette[i].red];
868                      palette[i].red = png_ptr->gamma_from_1[w];
870                      v = png_ptr->gamma_to_1[palette[i].green];
872                      palette[i].green = png_ptr->gamma_from_1[w];
874                      v = png_ptr->gamma_to_1[palette[i].blue];
876                      palette[i].blue = png_ptr->gamma_from_1[w];
881                   palette[i].red = png_ptr->gamma_table[palette[i].red];
882                   palette[i].green = png_ptr->gamma_table[palette[i].green];
883                   palette[i].blue = png_ptr->gamma_table[palette[i].blue];
950          png_colorp palette = png_ptr->palette;
956             palette[i].red = png_ptr->gamma_table[palette[i].red];
957             palette[i].green = png_ptr->gamma_table[palette[i].green];
958             palette[i].blue = png_ptr->gamma_table[palette[i].blue];
974       png_colorp palette = png_ptr->palette;
984             palette[i] = back;
989             png_composite(palette[i].red, palette[i].red,
991             png_composite(palette[i].green, palette[i].green,
993             png_composite(palette[i].blue, palette[i].blue,
1018          png_ptr->palette[i].red >>= sr;
1019          png_ptr->palette[i].green >>= sg;
1020          png_ptr->palette[i].blue >>= sb;
1197             png_ptr->palette, png_ptr->trans, png_ptr->num_trans);
2357 /* Build a grayscale palette.  Palette is assumed to be 1 << bit_depth
2363 png_build_grayscale_palette(int bit_depth, png_colorp palette)
2371    if (palette == NULL)
2400       palette[i].red = (png_byte)v;
2401       palette[i].green = (png_byte)v;
2402       palette[i].blue = (png_byte)v;
2409 png_correct_palette(png_structp png_ptr, png_colorp palette,
2476                palette[i] = back;
2482                v = png_ptr->gamma_to_1[png_ptr->palette[i].red];
2484                palette[i].red = png_ptr->gamma_from_1[w];
2486                v = png_ptr->gamma_to_1[png_ptr->palette[i].green];
2488                palette[i].green = png_ptr->gamma_from_1[w];
2490                v = png_ptr->gamma_to_1[png_ptr->palette[i].blue];
2492                palette[i].blue = png_ptr->gamma_from_1[w];
2496                palette[i].red = png_ptr->gamma_table[palette[i].red];
2497                palette[i].green = png_ptr->gamma_table[palette[i].green];
2498                palette[i].blue = png_ptr->gamma_table[palette[i].blue];
2508             if (palette[i].red == (png_byte)png_ptr->trans_values.gray)
2510                palette[i] = back;
2514                palette[i].red = png_ptr->gamma_table[palette[i].red];
2515                palette[i].green = png_ptr->gamma_table[palette[i].green];
2516                palette[i].blue = png_ptr->gamma_table[palette[i].blue];
2530          palette[i].red = png_ptr->gamma_table[palette[i].red];
2531          palette[i].green = png_ptr->gamma_table[palette[i].green];
2532          palette[i].blue = png_ptr->gamma_table[palette[i].blue];
2554                palette[i].red = back.red;
2555                palette[i].green = back.green;
2556                palette[i].blue = back.blue;
2560                png_composite(palette[i].red, png_ptr->palette[i].red,
2562                png_composite(palette[i].green, png_ptr->palette[i].green,
2564                png_composite(palette[i].blue, png_ptr->palette[i].blue,
2569       else /* assume grayscale palette (what else could it be?) */
2577                palette[i].red = (png_byte)png_ptr->background.red;
2578                palette[i].green = (png_byte)png_ptr->background.green;
2579                palette[i].blue = (png_byte)png_ptr->background.blue;
3461 /* Expands a palette row to an RGB or RGBA row depending
3466    png_colorp palette, png_bytep trans, int num_trans)
3569                   *dp-- = palette[*sp].blue;
3570                   *dp-- = palette[*sp].green;
3571                   *dp-- = palette[*sp].red;
3587                   *dp-- = palette[*sp].blue;
3588                   *dp-- = palette[*sp].green;
3589                   *dp-- = palette[*sp].red;