Saves the image to an already open file. \n
* This will call \ref imFileWriteImageInfo and \ref imFileWriteImageData. \n
* Attributes from the image will be stored at the file.
* Returns error code.
*
* \verbatim ifile:SaveImage(image: imImage) -> error: number [in Lua 5] \endverbatim
* \ingroup imgfile
Saves the image to an already open file. \n * This will call \ref imFileWriteImageInfo and \ref imFileWriteImageData. \n * Attributes from the image will be stored at the file. * Returns error code. * * \verbatim ifile:SaveImage(image: imImage) -> error: number [in Lua 5] \endverbatim * \ingroup imgfile