Method and operating system for manipulating the orientation of

Details Method and operating system for manipulating the orientation of Method and operating system for manipulating the orientation of

1995-11-13

1999-07-06

Jankus, Almis R.

G06T 300

Patent

active

059206888

ABSTRACT:
An operating system for manipulating the orientation of an output image of a data processing system provides operating system support to rotate an image output to a device driver at rendering time for printing in portrait or landscape mode and for displaying the image in increments of 90 decree rotations. A user or system sets a rotation for all output images sent to the peripheral device, regardless of what application provides the image, and the operating system performs the rotation on all output images sent to the particular output device.

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patent: 5394523 (1995-02-01), Harris
YAO "Borland C++ 4.0 Programming For Windows" pp. 119-130, 735-737 (1994).
Feedak, et al., "Logical Rotation and Reflection of Graphic Raster Images," IBM Information Disclosure Statement, vol. 25, No. 10, Mar. 1983, pp. 5001-5002.

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