Patent ID: 6999198

Claim:
A preview image display method for displaying a print preview image, the preview image display locates in a print control apparatus having a bookbinding print function for generating print data to be sent to a printer for printing a book formed by stacking multiple bookbinding units composed of a designated number of physical pages, on which logical pages are rendered, folded once, said preview image display method comprising: a converting step of converting a print command from an application into intermediate codes in units of logical pages; a judging step of judging whether the bookbinding print is selected or not; a setting step of setting an output order, which is a layout order of logical pages on physical pages, of the intermediate codes converted in said converting step when it is judged that bookbinding print is selected in said judging step and printing data is created; an output step of outputting the intermediate codes converted in said concerting step based on the output order set in said setting step; and a display step of displaying a page image based on the intermediate codes converted in said converting step based on the display order of logical pages, that is an order of turning pages after binding the physical pages, as a preview image on a screen when it is judged that bookbinding print is selected in said judging step and the print preview image is displayed, wherein the output order of the intermediate codes set in said setting step differs from the display order of logical pages, that is an order of turning physical pages after bookbinding, for print preview.