1. A non-transitory computer-readable storage medium storing an image processing program to be executed by a computer of an image processing apparatus for: enlarging or reducing an image; placing the image on a predetermined placement position in relation to a display area in accordance with a predetermined designation input; and displaying the image, the image processing program causing the computer to perform: obtaining the designation input; setting an enlargement ratio of the image, and enlarging or reducing the image in accordance with the enlargement ratio; in accordance with the set enlargement ratio, changing, in relation to the display area, an area within which the placement position is allowed to be set; based on the obtained designation input, calculating a position within the area as the placement position, the position corresponding to the designation input; placing, on the placement position, the enlarged image; and displaying the placed image.