| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which forms a composited image, obtained by compositing a two-dimensional code image and an arbitrary image and having discrimination. <P>SOLUTION: In an image forming routine executed by a CPU in the image forming apparatus, a converted arbitrary image is generated from a 256 gradation arbitrary image (S 114) and a 256 gradation QR code image is formed from a QR code image (S 100), a converted QR code image is formed from the QR code image (S 116), and a composite image 40, obtained by compositing the converted arbitrary image and the converted QR code image according to overlay at a position designated by an operator, is formed (S 120). The converted arbitrary image and the converted QR code image are formed by being converted to gradations in a second or fourth region among regions obtained, by dividing 256 gradations into first to fifth regions from a shadow side to a highlighted side. <P>COPYRIGHT: (C)2007,JPO&INPIT |
