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Image loading method based on BREW platform

A BREW platform, image loading technology, applied in image data processing, image data processing, cathode ray tube indicators, etc., can solve the problems of large volume, poor color and three-dimensional sense, slow access speed, etc.

Inactive Publication Date: 2009-07-22
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The game involves image loading and reasonable scheduling. Due to the small memory capacity and slow access speed of the handheld system, its storage capacity and processing capacity are greatly limited.
For the image processing method of games based on the BREW platform, generally we use a bar to load into the video memory of the mobile phone to draw a scene, and then display it on the screen of a mobile terminal such as a mobile phone. In the game, the scene is often changed to obtain different images. scene, this graph bar can no longer be used. At this time, another graph bar needs to be loaded. If you want to draw multiple different changing scenes, you need to have corresponding multiple different graph bars, resulting in a large resource file bar. , the method usually used to reduce the volume is to reduce the number of digits of the picture, and the other is to reduce the length of the bar. Both of these methods will make the drawn scene either have poor color and three-dimensional effect, or the scene is very monotonous. It cannot meet consumers' higher and higher requirements for the display quality of mobile communication terminals

Method used

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  • Image loading method based on BREW platform

Examples

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Embodiment Construction

[0018] For the method of game image processing based on the BREW platform, figure 1 The principle of the commonly used image loading method is given. Generally, we use a graph bar to load into the video memory of the mobile phone to draw a scene, and then display it on the screen of a mobile terminal such as a mobile phone. The example image 101 can be divided into 16 blocks. Each block is a block of the same size, such as 16×16 pixels, 32×32 pixels, etc. Among them, the blocks with the same content are 1, 2, 3, and 4. On the BREW platform , when loading the picture 101, at first the chart file 102 will be established, which contains the picture blocks 1, 2, 3, 4, and its index value is 1, 2, 3, 4; when drawing the picture 101, import the chart file 102, The picture 101 can be obtained by calling the corresponding interface function according to the array 103 . When changing to another scene picture 104, the graphic file 102 can no longer be used, and the graphic file 105 nee...

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Abstract

The invention discloses a picture loading method based on a BREW platform, comprising steps of: loading a plurality of short bars to draw a fluctuant scene, loading some bars with others to draw a fluctuant scene, such that the bars can be loaded repeatedly to obtain different scenes, which generates various different pictures in a condition that total size of resource file bar is small as possible; setting corresponding marker bit in an array when citing the bar files, not reading picture blocks in display memory when no picture blocks in the loading bars; speed of loading is not affected and incoherency of scene perceptually is not generated, which may meet request of consumers who demands more for display quality of the mobile communication terminal.

Description

technical field [0001] The invention relates to the field of mobile terminal application software, in particular to a picture loading method of the mobile terminal application software based on the BREW platform. Background technique [0002] In mobile communication terminal applications, mobile games have become a major application in telecom value-added services, and the BREW (Binary Runtime Environment for Wireless) client program based on Qualcomm is one of the main platforms for game development at home and abroad. The game involves image loading and reasonable scheduling. Due to the small memory capacity and slow access speed of the handheld system, its storage capacity and processing capacity are greatly limited. For the image processing method of games based on the BREW platform, generally we use a bar to load into the video memory of the mobile phone to draw a scene, and then display it on the screen of a mobile terminal such as a mobile phone. In the game, the scen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/725G09G5/395G06T1/00H04M1/72439
Inventor 黄小军汪琼
Owner BEIJING UNIV OF POSTS & TELECOMM
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