Image processing apparatus, method for controlling image processing apparatus, and storage medium

A method for controlling an image processing apparatus, the method comprising:

• detecting, via a first detecting, a size of a document set on a document stacking portion;
• conveying the document set on the document stacking portion;
• detecting, via a second detecting, a size of the document being conveyed;
• reading, by a scanner, an image of the document being conveyed and generating image data;
• setting a first setting value based on the size detected by the first detecting before the image of the document is read by the scanner, wherein setting includes setting a second setting value based on the size detected by the second detecting;
• executing image processing on the generated image data based on the set first setting value;
• storing, in an image memory, the image data on which the image processing has been executed;
• and
• controlling to read the image data stored in the image memory and transfer the read image data to a printer,
• wherein, in a case where the size detected by the second detecting does not match the size detected by the first detecting and transfer of the image data has not yet been started, controlling includes controlling to execute image processing on the stored image data based on the set second setting value,
• wherein, in a case where the size detected by the second detecting matches the size detected by the first detecting, image processing on the stored image data based on the second setting value is not executed, and
• wherein, in a case where the size detected by the second detecting does not match the size detected by the first detecting and transfer of the image data has been started, image processing on the stored image data based on the second setting value is not executed.

A non-transitory computer-readable storage medium storing a computer program to perform a method for controlling an image processing apparatus, the method comprising:

• detecting, via a first detecting, a size of a document set on a document stacking portion;
• conveying the document set on the document stacking portion;
• detecting, via a second detecting, a size of the document being conveyed;
• reading, by a scanner, an image of the document being conveyed and generating image data;
• setting a first setting value based on the size detected by the first detecting before the image of the document is read by the scanner, wherein setting includes setting a second setting value based on the size detected by the second detecting;
• executing image processing on the generated image data based on the set first setting value;
• storing, in an image memory, the image data on which the image processing has been executed;
• and
• controlling to read the image data stored in the image memory and transfer the read image data to a printer,
• wherein, in a case where the size detected by the second detecting does not match the size detected by the first detecting and transfer of the image data has not yet been started, controlling includes controlling to execute image processing on the stored image data based on the set second setting value,
• wherein, in a case where the size detected by the second detecting matches the size detected by the first detecting, image processing on the stored image data based on the second setting value is not executed, and
• wherein, in a case where the size detected by the second detecting does not match the size detected by the first detecting and transfer of the image data has been started, image processing on the stored image data based on the second setting value is not executed.