Image processing apparatus, image forming apparatus, and recording medium

An image forming apparatus, comprising:

• an image processing apparatus provided with:
• an obtaining section that obtains data of numerical values or numerical expressions used to describe a drawing process,
• a generating section that generates, based on data obtained by the obtaining section, image information including color information on a color of each of a plurality of pixels, the image information having a first set of color information that describes using a color space different from a color space defined by colors of colorants used by an image forming section, and a second set of color information that specifies an amount of black colorant used by the image forming section,
• a color conversion section that converts color information included in image information generated by the generating section to color information described using the color space defined by the colors of the colorants, the color conversion section converting the first set of color information to color information described using the color space defined by the colors of the colorants, and, in a case where using a black colorant is specified by the second set of color information, converting the second set of color information to color information of a black component that expresses an amount of black colorant specified by the second set of color information, and
• an output section that outputs image information converted by the color conversion section, and
• an image forming section that forms an image corresponding to image information outputted by the output section of the image processing apparatus, the image forming section forming a first image using an amount of colorants represented by the color information converted by the color conversion section in accordance with the first set of color information, and forming a second image overlapping the first image using the amount of black colorant represented by the black component color information converted in accordance with the second set of color information.