Lines Matching refs:background
742 /* The bKGD chunk gives the suggested image background color if the
743 * display program does not have its own background color and the image
744 * is needs to composited onto a background before display. The colors
745 * in "background" are normally in the same color space/depth as the
748 png_color_16 background;
1164 png_color_16 background; /* background color in screen gamma space */
1166 png_color_16 background_1; /* background normalized to gamma 1.0 */
1577 /* Handle alpha and tRNS by replacing with a background color. */
2107 png_infop info_ptr, png_color_16p *background));
2112 png_infop info_ptr, png_color_16p background));
3216 png_color_16p trans_values, png_color_16p background,
3223 png_color_16p trans_values, png_color_16p background));