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How to draw a GIF animated picture in a canvas canvas in HTML5

Source: Internet
Author: User
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We all know how to draw a static picture (JPEG, PNG, etc.) on a canvas canvas of HTML5, and just use the DrawImage method in canvas, so how do I draw a motion picture (GIF)?

I believe we all know that the dynamic picture is dynamic, because it is a lot of pictures in a certain number of frames in order to play, so we can also simulate such a number of frames, every time to re-

Draw a picture, you can draw a dynamic picture? The answer, of course, is yes. Here is an example of my own test, the code is as follows:

1 <!DOCTYPE HTML>2 <HTML>3     <Head>4         <MetaCharSet= "Utf-8" />5         <title>Canvas to draw a dynamic map, video can also be drawn</title>6         7         <Scripttype= "Text/javascript">8 window.onload= function() {9                 varimg=document.getElementById ('IMG1');Ten                 varcan=document.getElementById ('can'); One                 varCXT=Can.getcontext ('2d'); A                  -                  - SetInterval (function() {Cxt.drawimage (IMG,0, 0);},  -); the             } -         </Script> -     </Head> -      +     <Body> -         <P>Ready to draw the animated picture:</P> +         <imgID= "IMG1"src= "Ex.gif"alt= "Your browser does not support IMG tags"></img> A         <P>Animated pictures drawn on canvas:</P> at         <CanvasID= "Can"width= "800px"Height= "600px"style= "Background-color: #CCCCCC">Your browser does not support canvas labels</Canvas> -     </Body> - </HTML>
This is an example of the dynamic picture resource ex.gif used in this article:

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Related Keywords:
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