6040    double   rede, greene, bluee, alphae;  member
6063       this->bluee = this->bluef * DBL_EPSILON;  in image_pixel_setf()
6065       this->bluee = 0;  in image_pixel_setf()
6481       that->bluee += 1./(2*((1U<<that->blue_sBIT)-1));  in image_transform_mod_end()
6487       that->bluee = that->greene = that->rede;  in image_transform_mod_end()
6900                out_pixel.blue, sample_depth, in_pixel.bluee,  in transform_image_validate()
7490             that->bluee += d;  in image_transform_png_set_strip_16_mod()
7951          blo -= that->bluee;  in image_transform_png_set_rgb_to_gray_mod()
7953          bhi += that->bluee;  in image_transform_png_set_rgb_to_gray_mod()
8051             err = (that->rede + that->greene + that->bluee)/3;  in image_transform_png_set_rgb_to_gray_mod()
8084          double be = that->bluee;  in image_transform_png_set_rgb_to_gray_mod()
8208       that->bluee = that->greene = that->rede = err;  in image_transform_png_set_rgb_to_gray_mod()
8343          that->bluee = data.bluee;  in image_transform_png_set_background_mod()
8361          that->bluee = that->bluee * that->alphaf + data.bluee * alf +  in image_transform_png_set_background_mod()