A non-transitory computer-readable storage medium storing a control program causing a computer to execute a control method for an image processing apparatus that processes image data with which original frame information about a partial area in an image is associated, the control method comprising:
- a trimming step of cutting out a selection area as a trimming image from an image represented by the image data;
- and
- a determination step of determining whether frame information updated according to the area cut out in said trimming step is added to the trimming image or not based on a determination of whether a specific frame effective area in the area shown by the original frame information is included in the trimming image or not.