JPH021067A - Picture display device - Google Patents

Abstract

PURPOSE: To display a read picture on the whole of the display area of a display part by storing the read picture, after that converting the size of the read picture regardless of the original size of the read picture, storing the size-converted read picture again, and displaying the picture.

CONSTITUTION: The picture of an original 8 having various original sizes is read by a two-dimensional scanner 7, and read picture information is stored in the page buffer memory of a main control unit 1. According to designation from a keyboard 10, the CPU of the main control unit 1 outputs the picture information stored in the page buffer memory to a display device 13 and sets the size converting ratio of a size converting circuit 14 so that the whole of the picture to be displayed on a CRT display 16 can be displayed with an approximately fixed size regardless of the original size of the picture read by the scanner 7. The picture size-converted in the converting circuit 14 is stored in a refresh memory in an interface 15 for display, and the picture information in the refresh memory is displayed on the CRT display 16. Thus, the display area can be effectively used.

COPYRIGHT: (C)1990,JPO&Japio