Render a synthetic image using a render function. \n
* plus will make the render be added to the current image data,
* or else all data will be replaced. All the render functions use this or the conditional function. \n
* Returns zero if the counter aborted.
*
* \verbatim im.ProcessRenderOp(image: imImage, func: function, render_name: string, params: table, plus: boolean) -> counter: boolean [in Lua 5] \endverbatim
* \ingroup render
Render a synthetic image using a render function. \n * plus will make the render be added to the current image data, * or else all data will be replaced. All the render functions use this or the conditional function. \n * Returns zero if the counter aborted. * * \verbatim im.ProcessRenderOp(image: imImage, func: function, render_name: string, params: table, plus: boolean) -> counter: boolean [in Lua 5] \endverbatim * \ingroup render