Lines Matching full:channels
273 * premultiply the color channels
275 * encode the alpha as well as the color channels
279 * premultiplying the color channels or not.
294 case PNG_ALPHA_ASSOCIATED: /* color channels premultiplied */
820 * to alpha channels.
880 /* Expand tRNS chunks to alpha channels. */
892 /* Expand to 16-bit channels, expand the tRNS chunk too (because otherwise
2011 info_ptr->channels = 1;
2014 info_ptr->channels = 3;
2017 info_ptr->channels = 1;
2029 info_ptr->channels++;
2037 info_ptr->channels++;
2051 if (info_ptr->channels < png_ptr->user_transform_channels)
2052 info_ptr->channels = png_ptr->user_transform_channels;
2056 info_ptr->pixel_depth = (png_byte)(info_ptr->channels *
2353 /* png_byte channels; number of channels (1-4) */
2354 /* png_byte pixel_depth; bits per pixel (depth*channels) */
2361 row_info->channels = png_ptr->user_transform_channels;
2364 row_info->channels);
2464 row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2465 row_info->rowbytes = row_width * row_info->channels;
2490 int channels = 0;
2495 shift[channels++] = bit_depth - sig_bits->red;
2496 shift[channels++] = bit_depth - sig_bits->green;
2497 shift[channels++] = bit_depth - sig_bits->blue;
2502 shift[channels++] = bit_depth - sig_bits->gray;
2507 shift[channels++] = bit_depth - sig_bits->alpha;
2513 for (c = have_shift = 0; c < channels; ++c)
2538 /* assert(channels == 1 && shift[0] == 1) */
2553 /* assert(channels == 1) */
2580 if (++channel >= channels)
2600 if (++channel >= channels)
2666 row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2667 row_info->rowbytes = row_info->width * row_info->channels;
2694 row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2695 row_info->rowbytes = row_info->width * row_info->channels;
2930 row_info->channels = 2;
2945 row_info->channels = 2;
2968 row_info->channels = 2;
2985 row_info->channels = 2;
3009 row_info->channels = 4;
3026 row_info->channels = 4;
3053 row_info->channels = 4;
3075 row_info->channels = 4;
3164 row_info->channels = (png_byte)(row_info->channels + 2);
3166 row_info->pixel_depth = (png_byte)(row_info->channels *
3410 row_info->channels = (png_byte)(row_info->channels - 2);
3413 row_info->pixel_depth = (png_byte)(row_info->channels *
4609 row_info->channels = 4;
4629 row_info->channels = 3;
4791 row_info->channels = 2;
4857 row_info->channels = 4;
4891 channels * 16);
4940 row_info->channels = 1;
4971 row_info->channels = 1;
