| 摘要 |
<p>PROBLEM TO BE SOLVED: To appropriately set wide a range in which a user can correct attributes of saturation, brightness and hue, within a certain color difference value range.SOLUTION: When a correction strength being designated by an attribute operation section is changed by user operation regarding any one attribute of saturation, brightness and hue angle, a correctable range specification section 33 applies to a predetermined color difference expression a changed correction strength for the attribute whose correction strength is changed, among the saturation, the brightness and the hue angle, then specifies and updates correctable ranges for the remaining attributes. A display control section 31 updates a designable range of the attribute operation section regarding the remaining attributes into the updated correctable range, and updates an indication of the attribute operation section regarding the remaining attributes.</p> |
