Lines Matching refs:gray
1247 int gray = png_ptr->background.gray; in png_init_rgb_transformations() local
1248 int trans_gray = png_ptr->trans_color.gray; in png_init_rgb_transformations()
1253 gray *= 0xff; in png_init_rgb_transformations()
1258 gray *= 0x55; in png_init_rgb_transformations()
1263 gray *= 0x11; in png_init_rgb_transformations()
1278 png_ptr->background.blue = (png_uint_16)gray; in png_init_rgb_transformations()
1475 png_ptr->background.gray = png_ptr->background.red; in png_init_read_transformations()
1520 CHOP(png_ptr->background.gray); in png_init_read_transformations()
1543 png_ptr->background.gray = (png_uint_16)(png_ptr->background.gray * 257); in png_init_read_transformations()
1763 png_ptr->background_1.gray = png_gamma_correct(png_ptr, in png_init_read_transformations()
1764 png_ptr->background.gray, g); in png_init_read_transformations()
1767 png_ptr->background.gray = png_gamma_correct(png_ptr, in png_init_read_transformations()
1768 png_ptr->background.gray, gs); in png_init_read_transformations()
1772 (png_ptr->background.red != png_ptr->background.gray)) in png_init_read_transformations()
1804 = png_ptr->background_1.blue = png_ptr->background_1.gray; in png_init_read_transformations()
1807 = png_ptr->background.blue = png_ptr->background.gray; in png_init_read_transformations()
2275 shift[channels++] = bit_depth - sig_bits->gray; in png_do_unshift()
3233 == png_ptr->trans_color.gray) in png_do_compose()
3237 (unsigned int)(png_ptr->background.gray << shift); in png_do_compose()
3263 == png_ptr->trans_color.gray) in png_do_compose()
3267 (unsigned int)png_ptr->background.gray << shift; in png_do_compose()
3300 == png_ptr->trans_color.gray) in png_do_compose()
3304 (unsigned int)png_ptr->background.gray << shift; in png_do_compose()
3331 == png_ptr->trans_color.gray) in png_do_compose()
3335 (unsigned int)(png_ptr->background.gray << shift); in png_do_compose()
3368 == png_ptr->trans_color.gray) in png_do_compose()
3372 (unsigned int)(png_ptr->background.gray << shift); in png_do_compose()
3397 if (*sp == png_ptr->trans_color.gray) in png_do_compose()
3398 *sp = (png_byte)png_ptr->background.gray; in png_do_compose()
3410 if (*sp == png_ptr->trans_color.gray) in png_do_compose()
3411 *sp = (png_byte)png_ptr->background.gray; in png_do_compose()
3429 if (v == png_ptr->trans_color.gray) in png_do_compose()
3432 *sp = (png_byte)((png_ptr->background.gray >> 8) in png_do_compose()
3434 *(sp + 1) = (png_byte)(png_ptr->background.gray in png_do_compose()
3456 if (v == png_ptr->trans_color.gray) in png_do_compose()
3458 *sp = (png_byte)((png_ptr->background.gray >> 8) in png_do_compose()
3460 *(sp + 1) = (png_byte)(png_ptr->background.gray in png_do_compose()
3620 *sp = (png_byte)png_ptr->background.gray; in png_do_compose()
3628 png_composite(w, v, a, png_ptr->background_1.gray); in png_do_compose()
3644 *sp = (png_byte)png_ptr->background.gray; in png_do_compose()
3647 png_composite(*sp, *sp, a, png_ptr->background.gray); in png_do_compose()
3675 *sp = (png_byte)((png_ptr->background.gray >> 8) in png_do_compose()
3677 *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff); in png_do_compose()
3685 png_composite_16(v, g, a, png_ptr->background_1.gray); in png_do_compose()
3707 *sp = (png_byte)((png_ptr->background.gray >> 8) in png_do_compose()
3709 *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff); in png_do_compose()
3717 png_composite_16(v, g, a, png_ptr->background.gray); in png_do_compose()
4395 unsigned int gray = trans_color != NULL ? trans_color->gray : 0; in png_do_expand() local
4403 gray = (gray & 0x01) * 0xff; in png_do_expand()
4431 gray = (gray & 0x03) * 0x55; in png_do_expand()
4456 gray = (gray & 0x0f) * 0x11; in png_do_expand()
4491 gray = gray & 0xff; in png_do_expand()
4497 if ((*sp & 0xffU) == gray) in png_do_expand()
4509 unsigned int gray_high = (gray >> 8) & 0xff; in png_do_expand()
4510 unsigned int gray_low = gray & 0xff; in png_do_expand()