Lines Matching refs:gray
819 png_ptr->background.gray = png_ptr->background.red; in png_init_read_transformations()
832 png_ptr->background.gray *= (png_uint_16)0xff; in png_init_read_transformations()
834 = png_ptr->background.blue = png_ptr->background.gray; in png_init_read_transformations()
837 png_ptr->trans_values.gray *= (png_uint_16)0xff; in png_init_read_transformations()
839 = png_ptr->trans_values.blue = png_ptr->trans_values.gray; in png_init_read_transformations()
844 png_ptr->background.gray *= (png_uint_16)0x55; in png_init_read_transformations()
846 = png_ptr->background.blue = png_ptr->background.gray; in png_init_read_transformations()
849 png_ptr->trans_values.gray *= (png_uint_16)0x55; in png_init_read_transformations()
851 = png_ptr->trans_values.blue = png_ptr->trans_values.gray; in png_init_read_transformations()
856 png_ptr->background.gray *= (png_uint_16)0x11; in png_init_read_transformations()
858 = png_ptr->background.blue = png_ptr->background.gray; in png_init_read_transformations()
861 png_ptr->trans_values.gray *= (png_uint_16)0x11; in png_init_read_transformations()
863 = png_ptr->trans_values.blue = png_ptr->trans_values.gray; in png_init_read_transformations()
871 = png_ptr->background.blue = png_ptr->background.gray; in png_init_read_transformations()
1069 png_ptr->background_1.gray = (png_uint_16)(pow( in png_init_read_transformations()
1070 (double)png_ptr->background.gray / m, g) * m + .5); in png_init_read_transformations()
1071 png_ptr->background.gray = (png_uint_16)(pow( in png_init_read_transformations()
1072 (double)png_ptr->background.gray / m, gs) * m + .5); in png_init_read_transformations()
1076 (png_ptr->background.red != png_ptr->background.gray)) in png_init_read_transformations()
1096 = png_ptr->background_1.blue = png_ptr->background_1.gray; in png_init_read_transformations()
1098 = png_ptr->background.blue = png_ptr->background.gray; in png_init_read_transformations()
1709 shift[channels++] = row_info->bit_depth - sig_bits->gray; in png_do_unshift()
2722 if (palette[i].red == (png_byte)png_ptr->trans_values.gray) in png_correct_palette()
2789 if (i == (png_byte)png_ptr->trans_values.gray) in png_correct_palette()
2845 == trans_values->gray) in png_do_background()
2848 *sp |= (png_byte)(background->gray << shift); in png_do_background()
2871 == trans_values->gray) in png_do_background()
2874 *sp |= (png_byte)(background->gray << shift); in png_do_background()
2901 == trans_values->gray) in png_do_background()
2904 *sp |= (png_byte)(background->gray << shift); in png_do_background()
2928 == trans_values->gray) in png_do_background()
2931 *sp |= (png_byte)(background->gray << shift); in png_do_background()
2958 == trans_values->gray) in png_do_background()
2961 *sp |= (png_byte)(background->gray << shift); in png_do_background()
2983 if (*sp == trans_values->gray) in png_do_background()
2985 *sp = (png_byte)background->gray; in png_do_background()
2999 if (*sp == trans_values->gray) in png_do_background()
3001 *sp = (png_byte)background->gray; in png_do_background()
3019 if (v == trans_values->gray) in png_do_background()
3022 *sp = (png_byte)((background->gray >> 8) & 0xff); in png_do_background()
3023 *(sp + 1) = (png_byte)(background->gray & 0xff); in png_do_background()
3042 if (v == trans_values->gray) in png_do_background()
3044 *sp = (png_byte)((background->gray >> 8) & 0xff); in png_do_background()
3045 *(sp + 1) = (png_byte)(background->gray & 0xff); in png_do_background()
3181 *dp = (png_byte)background->gray; in png_do_background()
3188 png_composite(w, v, a, background_1->gray); in png_do_background()
3209 *dp = (png_byte)background->gray; in png_do_background()
3213 png_composite(*dp, *sp, a, background_1->gray); in png_do_background()
3216 *dp = (png_byte)background->gray; in png_do_background()
3248 *dp = (png_byte)((background->gray >> 8) & 0xff); in png_do_background()
3249 *(dp + 1) = (png_byte)(background->gray & 0xff); in png_do_background()
3257 png_composite_16(v, g, a, background_1->gray); in png_do_background()
3283 *dp = (png_byte)((background->gray >> 8) & 0xff); in png_do_background()
3284 *(dp + 1) = (png_byte)(background->gray & 0xff); in png_do_background()
3292 png_composite_16(v, g, a, background_1->gray); in png_do_background()
3857 png_uint_16 gray = (png_uint_16)(trans_value ? trans_value->gray : 0); in png_do_expand() local
3865 gray = (png_uint_16)((gray&0x01)*0xff); in png_do_expand()
3890 gray = (png_uint_16)((gray&0x03)*0x55); in png_do_expand()
3914 gray = (png_uint_16)((gray&0x0f)*0x11); in png_do_expand()
3945 gray = gray & 0xff; in png_do_expand()
3950 if (*sp == gray) in png_do_expand()
3960 png_byte gray_high = (gray >> 8) & 0xff; in png_do_expand()
3961 png_byte gray_low = gray & 0xff; in png_do_expand()
4261 sig_bit = (int)png_ptr->sig_bit.gray; in png_build_gamma_table()