Computer graphics processing and selective visual display system – Computer graphics processing – Shape generating
Patent
1998-04-23
2000-07-04
Powell, Mark R.
Computer graphics processing and selective visual display system
Computer graphics processing
Shape generating
345425, 345427, G06T 1550
Patent
active
060845988
ABSTRACT:
A computer system modifies digital images of the human form as well as other objects. The computer system provides intuitive means for accessing warp, smooth, stretch, copy, and paste tools for image modification; undo, toggle and restore tools for change management; and zoom, fit, and full tools for image display sizing.
The computer system is controlled by a program that uses a combination of novel approaches to make image manipulation fast and easy. Buttons are displayed only when they are actually available for use, based on the current system operating mode. The image sizing tools enable an image size change to accomodate the tool size without a required change to the cursor state or to the edit mode state. When regions are defined by the user, the cursor shape changes to indicate whether the cursor is located inside a region, outside the region, and on the region bounding box; allowing a user to perform different operations depending upon cursor location rather than depending upon, and requiring, user executed button pushing as a specific operation. The computer system uses display contexts and bitmap masks that enhance operation speed. Operations are always performed on the full image resolution rather than a displayed image resolution.
REFERENCES:
patent: 5748192 (1998-05-01), Lindholm
Paley Kenneth
Powell Mark R.
Sealey Lance W.
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