Lines Matching defs:channels

320     *    premultiply the color channels
322     *    encode the alpha as well as the color channels
326     * premultiplying the color channels or not.
341       case PNG_ALPHA_ASSOCIATED: /* color channels premultiplied */
869  * to alpha channels.
924 /* Expand tRNS chunks to alpha channels. */
938 /* Expand to 16-bit channels, expand the tRNS chunk too (because otherwise
2080       info_ptr->channels = 1;
2083       info_ptr->channels = 3;
2086       info_ptr->channels = 1;
2098       info_ptr->channels++;
2106       info_ptr->channels++;
2121          info_ptr->channels = png_ptr->user_transform_channels;
2125    info_ptr->pixel_depth = (png_byte)(info_ptr->channels *
2237       row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2238       row_info->rowbytes = row_width * row_info->channels;
2263       int channels = 0;
2268          shift[channels++] = bit_depth - sig_bits->red;
2269          shift[channels++] = bit_depth - sig_bits->green;
2270          shift[channels++] = bit_depth - sig_bits->blue;
2275          shift[channels++] = bit_depth - sig_bits->gray;
2280          shift[channels++] = bit_depth - sig_bits->alpha;
2286          for (c = have_shift = 0; c < channels; ++c)
2311          /* assert(channels == 1 && shift[0] == 1) */
2326          /* assert(channels == 1) */
2353                if (++channel >= channels)
2373                if (++channel >= channels)
2439       row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2440       row_info->rowbytes = row_info->width * row_info->channels;
2467       row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2468       row_info->rowbytes = row_info->width * row_info->channels;
2702             row_info->channels = 2;
2717             row_info->channels = 2;
2740             row_info->channels = 2;
2757             row_info->channels = 2;
2781             row_info->channels = 4;
2798             row_info->channels = 4;
2825             row_info->channels = 4;
2847             row_info->channels = 4;
2936       row_info->channels = (png_byte)(row_info->channels + 2);
2938       row_info->pixel_depth = (png_byte)(row_info->channels *
3182       row_info->channels = (png_byte)(row_info->channels - 2);
3185       row_info->pixel_depth = (png_byte)(row_info->channels *
4345                row_info->channels = 4;
4372                row_info->channels = 3;
4534          row_info->channels = 2;
4601       row_info->channels = 4;
4636       row_info->pixel_depth = (png_byte)(row_info->channels * 16);
4685          row_info->channels = 1;
4716          row_info->channels = 1;
5025                 /*  png_byte channels;       number of channels (1-4) */
5026                 /*  png_byte pixel_depth;    bits per pixel (depth*channels) */
5033          row_info->channels = png_ptr->user_transform_channels;
5036           row_info->channels);