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Image application performance optimization

  • US 9,092,240 B2
  • Filed: 09/10/2008
  • Issued: 07/28/2015
  • Est. Priority Date: 02/11/2008
  • Status: Active Grant
First Claim
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1. A method of scaling an image, the method comprising:

  • displaying a master image in a display area, wherein displaying the master image comprises making a plurality of adjustments to a raw image file to render the master image in the display area;

    generating a preview image from the master image, wherein the preview image is a digitized image of the master image that includes the plurality of adjustments to the raw image file, and wherein the preview image has a lower compression quality than the master image;

    using a scaling tool to select a portion of the master image to scale at a scale factor; and

    in order to provide a faster display of a scaled portion of the master image at the scale factor inside the scaling tool that corresponds to the selected portion of the master image, displaying a scaled portion of the preview image at the scale factor inside the scaling tool that corresponds to the selected portion of the master image, while continuing to display a non-selected portion of the master image outside the scaling tool, wherein the scaled portion of the preview image is faster to render than the scaled portion of the master image.

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