png_image_size   1030 pngwutil.c           if (png_deflate_claim(png_ptr, png_IDAT, png_image_size(png_ptr)) != Z_OK)
png_image_size   1080 pngwutil.c                    optimize_cmf(data, png_image_size(png_ptr));
png_image_size   1126 pngwutil.c                    optimize_cmf(data, png_image_size(png_ptr));