Patent ID: 8305589

Claim:
An image processing apparatus comprising: an image transformation section which generates, from print data, image data of character or line drawing of gradation value n 1 and image data of a photographic image of gradation value n 2 (n 2 >n 1 ); an encoding section which encodes the image data of the character or the line drawing of the gradation value n 1 , and generates the encoded image data of the character or the line drawing of the gradation value n 2 ; an attribute adding section which generates attribute data indicating an attribute of each of images with respect to the encoded image data of the character or the line drawing of the gradation value n 2 and the generated image data of the photographic image of the gradation value n 2 , and adds the attribute data to each of the encoded image data of the character or the line drawing and the generated image data of the photographic image; and a synthesizing section which synthesizes the encoded image data of the character or the line drawing to which the attribute data is added and the generated image data of the photographic image to which the attribute data is added, and outputs the synthesized data.