6039    double   redf, greenf, bluef, alphaf;  member
6050    this->greenf = this->green / (double)gMax;  in image_pixel_setf()
6059       this->greene = this->greenf * DBL_EPSILON;  in image_pixel_setf()
6472       that->green = sample_scale(that->greenf, scale);  in image_transform_mod_end()
6486       that->bluef = that->greenf = that->redf;  in image_transform_mod_end()
6893                in_pixel.greenf, out_pixel.green, sample_depth, in_pixel.greene,  in transform_image_validate()
7944          g = glo = ghi = that->greenf;  in image_transform_png_set_rgb_to_gray_mod()
8081          double g = that->greenf;  in image_transform_png_set_rgb_to_gray_mod()
8207       that->bluef = that->greenf = that->redf = gray;  in image_transform_png_set_rgb_to_gray_mod()
8338          that->greenf = data.greenf;  in image_transform_png_set_background_mod()
8357          that->greenf = that->greenf * that->alphaf + data.greenf * alf;  in image_transform_png_set_background_mod()