摘要 |
It is determined whether or not there is an available area to store composite image data, in addition to inputted image data, in a storage device for storage of image data. When it is determined that there is an available area, the composite image data obtained by combining is stored in addition to the input image data. When it is determined that there is no available area, the input image data is stored into the storage device. Upon image formation, when composite image data is stored in the storage device, an image is formed in accordance with the composite image data. When it is determined that composite image data is not stored, an image is formed by generating composite image data based on image data read from the storage device.
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