Generating print data including data to form a flat and smooth color development layer and data to form a gloss layer

In printing, it is possible to more easily reduce a change in color that is caused by the surface form of an image to be formed. A color correction unit configured to correct color data representing a color by using a correction value in accordance with gloss data representing gloss, a color conversion unit configured to convert the corrected color data into color material amount data, a first generation unit configured to generate, based on the color material amount data, data that is used to form a color development layer among the print data and which makes the color development layer flat and smooth, and a second generation unit configured to generate, based on the gloss data, data that is used to form a glossy layer among the print data are included.