Lines Matching refs:background
1374 * arbitrary RGB values for background when we have transparency, and
1375 * so it is easy to determine the RGB values of the background color
1379 png_ptr->background.index = buf[0];
1387 png_ptr->background.red =
1389 png_ptr->background.green =
1391 png_ptr->background.blue =
1397 png_ptr->background.red =
1398 png_ptr->background.green =
1399 png_ptr->background.blue =
1400 png_ptr->background.gray = png_get_uint_16(buf);
1404 png_ptr->background.red = png_get_uint_16(buf);
1405 png_ptr->background.green = png_get_uint_16(buf + 2);
1406 png_ptr->background.blue = png_get_uint_16(buf + 4);
1409 png_set_bKGD(png_ptr, info_ptr, &(png_ptr->background));