Lines Matching refs:png_set_background
5838 * the above API). With png_set_background the alpha channel is never expanded
7875 /* png_set_background(png_structp, png_const_color_16p background_color,
7941 png_set_background(pp, &back, PNG_BACKGROUND_GAMMA_FILE, expand, 0);
8986 png_set_background(pp, &dp->background_color, dp->do_background,
8993 png_error(pp, "png_set_background not supported");
9895 /* Handle input alpha - png_set_background will cause the output
10504 /* Because, currently, png_set_background is always called with
