Create an image. If a client-side pixel buffer has been specified, the image does not own the pixel buffer unless the IMAGE_OWNED flag is set. If the IMAGE_OWNED flag is set but a NULL pixel buffer is passed, a pixel buffer will be automatically created and will be owned by the image. The flags IMAGE_SHMI and IMAGE_SHMP may be specified for large images to instruct render() to use shared memory to communicate with the server.
|