Lines Matching refs:bit_depth
709 switch (png_ptr->bit_depth)
891 double m = (double)(((png_uint_32)1 << png_ptr->bit_depth) - 1);
1049 info_ptr->bit_depth = 8;
1056 if (info_ptr->bit_depth < 8)
1057 info_ptr->bit_depth = 8;
1085 if ((png_ptr->transformations & PNG_16_TO_8) && (info_ptr->bit_depth == 16))
1086 info_ptr->bit_depth = 8;
1094 png_ptr->palette_lookup && info_ptr->bit_depth == 8)
1102 if ((png_ptr->transformations & PNG_PACK) && (info_ptr->bit_depth < 8))
1103 info_ptr->bit_depth = 8;
1150 if(info_ptr->bit_depth < png_ptr->user_transform_depth)
1151 info_ptr->bit_depth = png_ptr->user_transform_depth;
1158 info_ptr->bit_depth);
1379 /* png_byte bit_depth; bit depth of samples */
1385 png_ptr->row_info.bit_depth = png_ptr->user_transform_depth;
1389 png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth *
1410 if (row != NULL && row_info != NULL && row_info->bit_depth < 8)
1412 if (row_info->bit_depth < 8)
1418 switch (row_info->bit_depth)
1482 row_info->bit_depth = 8;
1513 shift[channels++] = row_info->bit_depth - sig_bits->red;
1514 shift[channels++] = row_info->bit_depth - sig_bits->green;
1515 shift[channels++] = row_info->bit_depth - sig_bits->blue;
1519 shift[channels++] = row_info->bit_depth - sig_bits->gray;
1523 shift[channels++] = row_info->bit_depth - sig_bits->alpha;
1537 switch (row_info->bit_depth)
1606 if (row != NULL && row_info != NULL && row_info->bit_depth == 16)
1608 if (row_info->bit_depth == 16)
1647 row_info->bit_depth = 8;
1667 if (row_info->bit_depth == 8)
1709 if (row_info->bit_depth == 8)
1759 if (row_info->bit_depth == 8)
1808 if (row_info->bit_depth == 8)
1863 if(row_info->bit_depth == 8)
1895 else if(row_info->bit_depth == 16)
1935 if(row_info->bit_depth == 8)
1971 else if(row_info->bit_depth == 16)
2029 if (row_info->bit_depth >= 8 &&
2037 if (row_info->bit_depth == 8)
2065 if (row_info->bit_depth == 8)
2097 row_info->bit_depth);
2145 if (row_info->bit_depth == 8)
2189 else /* RGB bit_depth == 16 */
2250 if (row_info->bit_depth == 8)
2286 else /* RGBA bit_depth == 16 */
2350 row_info->bit_depth);
2357 /* Build a grayscale palette. Palette is assumed to be 1 << bit_depth
2363 png_build_grayscale_palette(int bit_depth, png_colorp palette)
2374 switch (bit_depth)
2621 switch (row_info->bit_depth)
2837 if (row_info->bit_depth == 8)
2878 else /* if (row_info->bit_depth == 16) */
2941 if (row_info->bit_depth == 8)
3000 else /* if (png_ptr->bit_depth == 16) */
3083 if (row_info->bit_depth == 8)
3156 else /* if (row_info->bit_depth == 16) */
3268 row_info->bit_depth);
3296 ((row_info->bit_depth <= 8 && gamma_table != NULL) ||
3297 (row_info->bit_depth == 16 && gamma_16_table != NULL)))
3303 if (row_info->bit_depth == 8)
3316 else /* if (row_info->bit_depth == 16) */
3341 if (row_info->bit_depth == 8)
3355 else /* if (row_info->bit_depth == 16) */
3378 if (row_info->bit_depth == 8)
3387 else /* if (row_info->bit_depth == 16) */
3402 if (row_info->bit_depth == 2)
3420 if (row_info->bit_depth == 4)
3433 else if (row_info->bit_depth == 8)
3442 else if (row_info->bit_depth == 16)
3480 if (row_info->bit_depth < 8)
3482 switch (row_info->bit_depth)
3550 row_info->bit_depth = 8;
3554 switch (row_info->bit_depth)
3574 row_info->bit_depth = 8;
3592 row_info->bit_depth = 8;
3625 if (row_info->bit_depth < 8)
3627 switch (row_info->bit_depth)
3699 row_info->bit_depth = 8;
3706 if (row_info->bit_depth == 8)
3719 else if (row_info->bit_depth == 16)
3742 row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1);
3749 if (row_info->bit_depth == 8)
3766 else if (row_info->bit_depth == 16)
3797 row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2);
3819 palette_lookup && row_info->bit_depth == 8)
3850 row_info->pixel_depth = row_info->bit_depth;
3854 palette_lookup != NULL && row_info->bit_depth == 8)
3879 row_info->pixel_depth = row_info->bit_depth;
3883 dither_lookup && row_info->bit_depth == 8)
3911 if (png_ptr->bit_depth <= 8)
4132 if (row_info->bit_depth == 8)
4150 else if (row_info->bit_depth == 16)