Patent ID: 7586630

Claim:
An apparatus for print preview which presents printout before printing by a digital printer, comprising: a print setting portion for setting a first page to be printed, a last page to be printed, and the number of pages to be printed on one sheet; a display portion; a display data storage portion for storing display data representing content to be displayed on the display portion; a print data storage portion for storing print data for a plurality of pages to be printed by the digital printer; a one-sheet data storage portion for storing display data for one sheet; and a display control portion for transferring and storing print data corresponding to the printout to be displayed as the print preview from the print data storage portion to the display data storage portion via the one-sheet data storage portion, and thereby presenting the printout on the display portion; wherein the display control portion transfers and stores print data for more than two pages from the print data storage portion to the one-sheet data storage portion as the display data for one sheet, based on a print setting set by the print setting portion; wherein the display control portion transfers and stores the display data successively stored to the one-sheet data storage portion to the display data storage portion while offsetting the storage address for each sheet of display data, while preventing transfer of display data associated with the part of the print data corresponding to an area located behind another sheet as a result of stacking a plurality of sheets out of the print data for a plurality of pages; and the display portion presents printout for the plurality of sheets in parallel offset positions sheet by sheet based on the display data stored in the display data storage portion by the display control portion.