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Method and device for displaying pure monochrome picture

A picture and monochrome technology, applied in the field of image processing, can solve the problems of occupying system resources and displaying pure monochrome pictures for a long time, so as to release memory space and save time

Active Publication Date: 2013-08-14
SHENZHEN IPANEL TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a method and device for displaying a pure monochrome picture, so as to solve the problem of displaying a pure monochrome picture for a long time and occupying system resources in the prior art

Method used

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  • Method and device for displaying pure monochrome picture
  • Method and device for displaying pure monochrome picture
  • Method and device for displaying pure monochrome picture

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0053] see figure 1 , which is the flow chart of the first embodiment of the method for displaying a purely monochromatic image in this application:

[0054] Step 101: Decode the picture to be displayed in the target area.

[0055] After the picture to be displayed is acquired, the picture is saved and decoded to generate decoded image data. Both the original picture and the decoded image data need to occupy system memory.

[0056] Step 102: Determine whether the picture is a pure monochrome picture according to the decoded image data.

[0057] Specifically, the color value of each pixel in the decoded image data can be counted, and if the color values ​​of each pixel are consistent, it can be determined that the picture is a pure monochrome picture.

[0058] Step 103: When the picture is a pure monochrome picture, call the rectangle filling interface of the drawing module to fill the target area according to the pure monochrome color value, and complete the display of the pu...

no. 1 example

[0107] see Figure 4 , which is the block diagram of the first embodiment of the display device for pure monochrome pictures in this application:

[0108] The device includes: a decoding unit 410 , a judging unit 420 and a display unit 430 .

[0109] Wherein, the decoding unit 410 is configured to decode the picture to be displayed in the target area;

[0110] A judging unit 420, configured to judge whether the picture is a pure monochrome picture according to the decoded image data;

[0111] The display unit 430 is configured to call the rectangle filling interface of the drawing module to fill the target area according to the pure monochrome color value when the judging unit 420 judges that the picture is a pure monochrome picture, and complete the pure monochrome color. Display of monochrome pictures.

no. 2 example

[0112] see Figure 5 , which is the block diagram of the second embodiment of the display device for pure monochrome pictures in this application:

[0113] The device includes: a decoding unit 510 , a judging unit 520 , a display unit 530 , a releasing unit 540 and a saving unit 550 .

[0114] Wherein, the decoding unit 510 is configured to decode the picture to be displayed in the target area;

[0115] A judging unit 520, configured to judge whether the picture is a pure monochrome picture according to the decoded image data;

[0116] The display unit 530 is configured to call the rectangle filling interface of the drawing module to fill the target area according to the pure monochrome color value when the judging unit judges that the picture is a pure monochrome picture, and completes the processing of the pure monochrome color. color picture display;

[0117] The release unit 540 is configured to release the system memory occupied by the decoded image data of the pure mo...

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Abstract

The invention discloses a method and a device for displaying a pure monochrome picture. The method comprises the following steps: decoding a picture which is to be displayed on a target area; judging if the picture is the pure monochrome picture according to a data of the picture after being decoded; and when the picture is the pure monochrome picture, calling a drawing module rectangular filling interface to fill the target area according to a pure monochrome color value. When the device provided by the embodiment of the invention is used for displaying the pure monochrome picture, a process of displaying one by one according to decoded pixels is unneeded and the drawing module rectangular filling interface is used for wholly filling the target area, thereby saving the time for displaying the pure monochrome picture.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to a method and device for displaying a pure monochrome image. Background technique [0002] A pure monochrome picture usually means that the color of each pixel of the entire picture is the same, and usually a pure monochrome picture is displayed as a background. In the prior art, the process of displaying a pure monochrome picture is the same as that of a general picture, that is, when the picture is displayed in the target area, the original picture needs to be decoded, and the decoded bitmap data is composed of several pixels. For each pixel , get its corresponding point in the target area according to the coordinate transformation, judge whether the pixel is a transparent pixel, if it is a transparent pixel, then keep the color value of the corresponding point in the target area, if it is not a transparent pixel , modify the color of the corresponding point ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/37G09G5/36
Inventor 朱吕亮
Owner SHENZHEN IPANEL TECH LTD