DOCUMENT IMAGE DISPLAY DEVICE, DOCUMENT IMAGE DISPLAY METHOD, AND DOCUMENT IMAGE DISPLAY PROGRAM

PROBLEM TO BE SOLVED: To facilitate browsing of document image data having a display region larger than the screen size of a display part. SOLUTION: This display processor is provided with: a wide area image data generation part for generating wide area image data by reducing document image data including a document whose image size is larger than the screen size of a display part to a predetermined image size; a document image data display processing part for displaying a portion of document image data as detail image data in the display region of a predetermined size of the display part; a wide area image display processing part for displaying the wide area image data and a detail image region indicator showing the range of detail image data in the display region of the wide area image data; and a display region changing part for changing the detail image data displayed in the display region based on a predetermined moving direction on the document image data, and for changing a range shown by the detail image region indicator according to the change. COPYRIGHT: (C)2009,JPO&INPIT