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Drawing method used during vector graphics moving process

A technology of vector graphics and moving process, which is applied in the direction of drawing from basic elements to achieve the effect of speeding up the moving speed of graphics, speeding up the moving speed, and speeding up the speed of graphics redrawing.

Active Publication Date: 2011-10-12
ASAT CHINA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this method can only be used in user operations, and cannot be used in animation, etc., so it has limitations

Method used

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  • Drawing method used during vector graphics moving process
  • Drawing method used during vector graphics moving process
  • Drawing method used during vector graphics moving process

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Embodiment Construction

[0023] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0024] The first embodiment of the present invention relates to a drawing method during the movement of vector graphics, such as figure 1 shown. In step 101, logical layer division is carried out to the moving vector graphic, the primitive object to be moved constitutes the middle logical layer, and all primitive objects positioned at the upper layer of the primitive object to be moved constitute the top logical layer, which is located at the All primitive objects below the moved primitive object form the underlying logical layer. Here, the primitive object to be moved may be a single primitive object, or a primitive object group composed of multiple primitive objects.

[0025] In step 102, the top logical layer, the middle logical lay...

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Abstract

The invention discloses a drawing method used during the vector graphics moving process, which comprises the steps of carrying out logic layer division on moved vector graphics, forming pixel objects to be moved into a middle logic layer, forming a top logic layer by all pixel objects positioned on the upper layer, and forming a bottom logic layer by all pixel objects positioned at the lower layer; drawing the three logic layers into corresponding bitmaps respectively; and when pixel objects to be moved are moved at new positions, firstly sticking the bottom logic layer bitmap, then sticking the middle logic layer bitmap according to the newly moved position, and finally sticking the top logic layer bitmap. The whole graphics moving process is realized by a graphics sticking manner and is not influenced by the number and complexity of the vector graphics, thus quickening the graphics redrawing speed, and quickening the visual graphic moving speed. Particularly, when graphics needing to be moved consists of complicated pixel objects, or the pixel objects needing to be moved are filled with more colors, the moving speed can be obviously quickened.

Description

technical field [0001] The invention relates to a vector graphics mobile drawing technology Background technique [0002] The graphics displayed in the computer can generally be divided into two categories - vector graphics and bitmaps. [0003] Vector graphics use straight lines and curves to describe graphics. The elements of these graphics (that is, primitive objects) are some points, lines, rectangles, polygons, circles, and arcs, etc., which are all calculated by mathematical formulas. For example, a vector graphic of a flower is actually composed of line segments to form an outer frame outline, and the color of the flower is determined by the color of the outer frame and the color enclosed by the outer frame. Because vector graphics can be calculated by formulas, the file size of vector graphics is generally small. The biggest advantage of vector graphics is that it will not be distorted no matter how zoomed in, zoomed out or rotated. [0004] Bitmaps, also known as...

Claims

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Application Information

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IPC IPC(8): G06T11/20
Inventor 林吉俞高宇张晓华
Owner ASAT CHINA TECH
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