The gflJpegLosslessTransform function applies lossless transformations on a JPEG file.
GFL_ERROR gflJpegLosslessTransform( const char * filename,
GFL_LOSSLESS_TRANSFORM transform );
Parameters
GFL_LOSSLESS_TRANSFORM_ROTATE90 | Rotate of 90 degrees |
GFL_LOSSLESS_TRANSFORM_ROTATE180 | Rotate of 180 degrees |
GFL_LOSSLESS_TRANSFORM_ROTATE270 | Rotate of 270 degrees |
GFL_LOSSLESS_TRANSFORM_VERTICAL_FLIP | Vertical flip |
GFL_LOSSLESS_TRANSFORM_HORIZONTAL_FLIP | Horizontal flip |
Return value
The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.