Image forming apparatus, and method of controlling the same

An image forming apparatus, comprising:

• at least one controller having one or more processors which executes instructions stored in a memory, one or more circuitries, or, a combination of the one or more processors and the one or more circuitries, wherein the at least one controller functions as:
• a generation unit configured to generate intermediate data based on print data of a print job;
• an image processing unit configured to process image data;
• and
• a rendering unit configured to, together with rendering an image based on the intermediate data, output after compositing image data rendered based on the intermediate data and image data processed by the image processing unit,
• wherein in accordance with the generation unit making the cancel request for the print job during execution by the rendering unit of processing for rending after the rendering unit receives the print data of the print job, the rendering unit receives and discards image data processed by the image processing unit, and after outputting unprocessed image data as image data including predetermined pixel data, stops the rendering processing.

A method of controlling an image forming apparatus, the method comprising:

• generating intermediate data based on print data of a print job;
• processing image data;
• and
• together with rendering an image based on the intermediate data, outputting after compositing image data rendered based on the intermediate data and the processed image,
• wherein in accordance with a cancel request for the print job being made during execution of processing for rendering after reception of the print data of the print job, the processed image data is received and discarded, and after unprocessed image data is outputted as image data including predetermined pixel data, the rendering processing is stopped.