| 主权项 |
1. A controller for use in a printing apparatus ejecting a metallic ink, comprising:
a medium selection unit that receives input of an item specified by a user on a user display screen with respect to a metallic texture, and based on the item determines a printing-medium type suitable for realizing the metallic texture; and a display control unit that causes the user display screen to display the printing-medium type suitable for the item, wherein the item is a first index value related to the metallic texture, and the printing-medium type suitable for realizing the metallic texture is one in which, when an amount of the metallic ink varies, the first index value varies but a second index value that is different from the first index value does not vary, and the first index value and the second index value are two of a metallic degree, a glossiness degree, a spatial noise level based on a luminance degree of reflected light, and a luminance degree of specular reflected light. |
