727          int b = (palette[i].blue >> (8 - PNG_QUANTIZE_BLUE_BITS));  in png_set_quantize()
1135          png_ptr->background.blue  =  in png_init_palette_transformations()
1136              png_ptr->palette[png_ptr->background.index].blue;  in png_init_palette_transformations()
1232             png_ptr->background.blue = (png_uint_16)gray;  in png_init_rgb_transformations()
1237                png_ptr->trans_color.blue = (png_uint_16)trans_gray;  in png_init_rgb_transformations()
1416              png_ptr->background.red == png_ptr->background.blue)  in png_init_read_transformations()
1462       CHOP(png_ptr->background.blue);  in png_init_read_transformations()
1485       png_ptr->background.blue = (png_uint_16)(png_ptr->background.blue * 257);  in png_init_read_transformations()
1561                back.blue = png_ptr->gamma_table[png_ptr->background.blue];  in png_init_read_transformations()
1565                back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue];  in png_init_read_transformations()
1601                   back.blue = png_gamma_8bit_correct(png_ptr->background.blue,  in png_init_read_transformations()
1609                   back.blue  = (png_byte)png_ptr->background.blue;  in png_init_read_transformations()
1618                   back_1.blue = png_gamma_8bit_correct(png_ptr->background.blue,  in png_init_read_transformations()
1626                   back_1.blue  = (png_byte)png_ptr->background.blue;  in png_init_read_transformations()
1651                      v = png_ptr->gamma_to_1[palette[i].blue];  in png_init_read_transformations()
1652                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue);  in png_init_read_transformations()
1653                      palette[i].blue = png_ptr->gamma_from_1[w];  in png_init_read_transformations()
1660                   palette[i].blue = png_ptr->gamma_table[palette[i].blue];  in png_init_read_transformations()
1714                 (png_ptr->background.red != png_ptr->background.blue) ||  in png_init_read_transformations()
1726                   png_ptr->background_1.blue = png_gamma_correct(png_ptr,  in png_init_read_transformations()
1727                       png_ptr->background.blue, g);  in png_init_read_transformations()
1738                   png_ptr->background.blue = png_gamma_correct(png_ptr,  in png_init_read_transformations()
1739                       png_ptr->background.blue, gs);  in png_init_read_transformations()
1747                    = png_ptr->background_1.blue = png_ptr->background_1.gray;  in png_init_read_transformations()
1750                    = png_ptr->background.blue = png_ptr->background.gray;  in png_init_read_transformations()
1780             palette[i].blue = png_ptr->gamma_table[palette[i].blue];  in png_init_read_transformations()
1804       back.blue  = (png_byte)png_ptr->background.blue;  in png_init_read_transformations()
1822             png_composite(palette[i].blue, palette[i].blue,  in png_init_read_transformations()
1823                 png_ptr->trans_alpha[i], back.blue);  in png_init_read_transformations()
1863       shift = 8 - png_ptr->sig_bit.blue;  in png_init_read_transformations()
1866          int component = png_ptr->palette[i].blue;  in png_init_read_transformations()
1869          png_ptr->palette[i].blue = (png_byte)component;  in png_init_read_transformations()
2497          shift[channels++] = bit_depth - sig_bits->blue;  in png_do_unshift()
3262                png_byte blue  = *(sp++);  in png_do_rgb_to_gray()  local
3264                if (red != green || red != blue)  in png_do_rgb_to_gray()
3268                   blue = png_ptr->gamma_to_1[blue];  in png_do_rgb_to_gray()
3272                       (rc*red + gc*green + bc*blue + 16384)>>15];  in png_do_rgb_to_gray()
3301                png_byte blue  = *(sp++);  in png_do_rgb_to_gray()  local
3303                if (red != green || red != blue)  in png_do_rgb_to_gray()
3309                   *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15);  in png_do_rgb_to_gray()
3332                png_uint_16 red, green, blue, w;  in png_do_rgb_to_gray()  local
3336                blue  = (png_uint_16)(((*(sp))<<8) | *(sp + 1)); sp += 2;  in png_do_rgb_to_gray()
3338                if (red == green && red == blue)  in png_do_rgb_to_gray()
3355                   png_uint_16 blue_1  = png_ptr->gamma_16_to_1[(blue&0xff)  in png_do_rgb_to_gray()
3356                       >> png_ptr->gamma_shift][blue>>8];  in png_do_rgb_to_gray()
3383                png_uint_16 red, green, blue, gray16;  in png_do_rgb_to_gray()  local
3387                blue  = (png_uint_16)(((*(sp))<<8) | *(sp + 1)); sp += 2;  in png_do_rgb_to_gray()
3389                if (red != green || red != blue)  in png_do_rgb_to_gray()
3396                gray16  = (png_uint_16)((rc*red + gc*green + bc*blue + 16384) >>  in png_do_rgb_to_gray()
3473       palette[i].blue = (png_byte)v;  in png_build_grayscale_palette()
3762                          *(sp + 2) == png_ptr->trans_color.blue)  in png_do_compose()
3766                         *(sp + 2) = (png_byte)png_ptr->background.blue;  in png_do_compose()
3785                          *(sp + 2) == png_ptr->trans_color.blue)  in png_do_compose()
3789                         *(sp + 2) = (png_byte)png_ptr->background.blue;  in png_do_compose()
3812                          b == png_ptr->trans_color.blue)  in png_do_compose()
3821                         *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)  in png_do_compose()
3823                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);  in png_do_compose()
3859                          b == png_ptr->trans_color.blue)  in png_do_compose()
3867                         *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)  in png_do_compose()
3869                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);  in png_do_compose()
4027                         *(sp + 2) = (png_byte)png_ptr->background.blue;  in png_do_compose()
4045                         png_composite(w, v, a, png_ptr->background_1.blue);  in png_do_compose()
4063                         *(sp + 2) = (png_byte)png_ptr->background.blue;  in png_do_compose()
4074                             png_ptr->background.blue);  in png_do_compose()
4117                         *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)  in png_do_compose()
4119                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);  in png_do_compose()
4144                         png_composite_16(w, v, a, png_ptr->background_1.blue);  in png_do_compose()
4172                         *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8)  in png_do_compose()
4174                         *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff);  in png_do_compose()
4195                         png_composite_16(v, b, a, png_ptr->background.blue);  in png_do_compose()
4600                   *dp-- = palette[*sp].blue;  in png_do_expand_palette()
4619                   *dp-- = palette[*sp].blue;  in png_do_expand_palette()
4803             png_byte blue = (png_byte)(trans_color->blue & 0xff);  in png_do_expand()  local
4808                if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue)  in png_do_expand()
4823             png_byte blue_high = (png_byte)((trans_color->blue >> 8) & 0xff);  in png_do_expand()
4826             png_byte blue_low = (png_byte)(trans_color->blue & 0xff);  in png_do_expand()
5044             png_uint_32 blue = (s2 + s1 + 65536) & 0xffff;  in png_do_read_intrapixel()  local
5047             *(rp + 4) = (png_byte)((blue >> 8) & 0xff);  in png_do_read_intrapixel()
5048             *(rp + 5) = (png_byte)(blue & 0xff);  in png_do_read_intrapixel()