Patent ID: 8174536

Claim:
A control method of a color difference display control apparatus comprising: a step of inputting input data associated with spectral reflectances of respective patches on a first measurement chart and a second measurement chart which record a plurality of color patches; a step of computing color differences between the patches corresponding to identical positions on the first measurement chart and the second measurement chart based on the input data input in the inputting step; a icon displaying step of displaying the plurality of computed color differences as a plurality of patch icons on a display unit, wherein each patch icon is displayed in a display region corresponding to each position of the color patches on the first measurement chart and the second measurement chart; a step of comparing a width of the patch icons displayed on the display unit and a text size of character used to display numeric values representing the color differences on the display unit; a step of displaying the color differences represented by the patch icons in a first display format as numeric values within each of the display regions of the corresponding patch icons if the width of the patch icons is larger than the text size of character; and a step of displaying the color differences represented by the patch icons in a second display format on the display unit as numeric values within a popup window that is laid over the display regions of a plurality of patch icons if the width of the patch icons is equal to or smaller than the text size of character.