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Controlled non-proportional scaling display method and computer figure system

A disproportionately proportionate technology used in the field of audio-visual entertainment systems

Inactive Publication Date: 2010-10-06
MICROSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Controlled non-proportional scaling display method and computer figure system
  • Controlled non-proportional scaling display method and computer figure system
  • Controlled non-proportional scaling display method and computer figure system

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Embodiment Construction

[0025] Various implementations provide a car stretching technique for transforming an original screen with an original size of a graphics data object to a target screen with a different target size and a resized graphics data object. By using the saloon stretching technique, the graphics data objects in the original screen are disproportionately scaled to the target screen without giving the graphics data objects on the target screen a distorted appearance. The car stretch technique defines a car point on the horizontal axis. Normals - referred to herein as "car lines" - extend from the car point to intersect the graphics data object on the original screen. Every graphics data object that intersects the car line on the original screen will be disproportionately stretched. Any other graphics data objects on the original screen will be stretched proportionally. In other words, graphical elements lying to the left or right of the sedan line are scaled proportionally, while grap...

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Abstract

An adjustment is made to the size of an original graphic data object in a substantially rectangular original screen to obtain a target graphic data object on a substantially rectangular target screen having a different aspect ratio than that of the original screen. The size of the original graphic data object is proportionally increased to obtain the target graphic data object on the target screen. The size of the target graphic data object on the target screen is non-proportionally increased by the addition of a stretch distance thereto where a line projecting from a resizing point on and perpendicular to an edge of the original screen intersects the original graphic data object.

Description

technical field [0001] The present invention relates generally to audio-video entertainment systems, and more particularly to video-on-demand services. Background technique [0002] Today's televisions come in a variety of screen sizes, including 4:3 and 16:9 aspect ratios. Interactive television (iTV) software should be able to adjust video and graphics to fit these different screen sizes. One technique is to simply stretch the standard screen display to fit the new screen size. This technique can result in non-aesthetic distortion of graphical data objects on the screen. Users of iTV may have improved discrimination against distorted or misshapen on-screen graphical data objects due to user interaction with graphical data objects such as radio buttons, sliders, or checkboxes. Another technique is to utilize the collaborative efforts of screen designers to design different screens for each screen with different aspect ratios and different programmers to accommodate each...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/173G06T1/00G06F3/00G09G5/373H04N5/44H04N5/445
CPCH04N21/4314H04N21/4821G09G2340/04H04N5/44543H04N21/42653H04N7/0122H04N21/47
Inventor D·H·斯罗P·G·吴
Owner MICROSOFT CORP