Patent ID: 8164786

Claim:
A print data generating apparatus to generate print data which is used for printing in a printing apparatus based on image data representing an image to be printed on a recording medium, comprising: a data inputting system by which application color setting data is inputted in the print data generating apparatus, the application color setting data including: application colors to print each of pixels configuring the image data, the application colors being indicated on a pixel basis, a same number of pieces of data as a number of the pixels configuring the image data, and print patterns indicating how colors in the pixels configuring the image data are to be substituted, wherein each pixel is assigned one of the print patterns based on whether color information of the pixel corresponds to a background color and whether the pixel is in a background position; a color substituting system in which the color information of each of the pixels configuring the image data is substituted with color information of the application colors to print each of the pixels configuring the image data based on the application color setting data; a print data generating system in which print data to be used for printing is generated based on the image data wherein the color information of each of the pixels is substituted with the color information of the application colors in the color substituting system.