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Method and system for previewing computer output

  • US 5,652,901 A
  • Filed: 06/07/1995
  • Issued: 07/29/1997
  • Est. Priority Date: 12/23/1994
  • Status: Expired due to Term
First Claim
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1. A method in a computer system for previewing within a preview area on a display device a plurality of pages to be printed by a printer, each page to be printed on a single sheet of paper, each page having data that is vertically adjacent to data of another page and that is horizontally adjacent to data of another page, each page having an actual width and height, the printer having a printer aspect ratio and the display device having a display aspect ratio, comprising:

  • setting a maximum horizontal magnification factor that will permit the data of each horizontally adjacent page to be displayed within the preview area;

    setting a maximum vertical magnification factor that will permit the data of each vertically adjacent page to be displayed within the preview area;

    setting a horizontal magnification factor as the minimum of the maximum horizontal magnification factor and the maximum vertical magnification factor;

    setting a vertical magnification factor from the horizontal magnification factor based on the ratio of the printer aspect ratio to the display aspect ratio;

    setting a display width from the horizontal magnification factor;

    setting a display height from the vertical magnification factor;

    when then the display width is less than a predefined minimum,resetting the display width to the predefined minimum;

    resetting the display height to the predefined minimum times a ratio of the actual width to the actual height;

    resetting the vertical magnification factor to the ratio of the predefined minimum to the actual height; and

    resetting the horizontal magnification factor to the ratio of the display width to the actual width;

    when the display height is less than a predefined minimum,resetting the display height to the predefined minimum;

    resetting the display width to the predefined minimum times a ratio of the actual height to the actual width;

    resetting the horizontal magnification factor to the ratio of predefined minimum to the actual width; and

    resetting the vertical magnification factor to the ratio of the display height to the actual height; and

    displaying the data of the pages in accordance with the horizontal and vertical magnification factors.

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