Patent ID: 8830526

Claim:
An image processing apparatus comprising: a color material layer forming unit that forms on a surface of a printing medium a first metallic color material layer including a first color material having metallic particles, one or more process color material layers including color materials of one or more process colors, and a second metallic color material layer including a second color material having metallic particles so that the first metallic color material layer, the one or more process color material layers, and the second metallic color material layer are stacked on top of one another on the surface of the printing medium in order of the first metallic color material layer, the one or more process color material layers, and the second metallic color material layer; and a proportion controller that has a function for executing first control to increase a proportion of the second metallic color material layer with respect to the first metallic color material layer when a total amount of the color materials of the one or more process colors exceeds a predetermined value.