复制代代码如下: <br> 関数の位置 ( x,y){<br> this.x = x;<br> this.y = y;<br> }<br><br> var Canvas = document.getElementById('canvas'), <br> ctx = Canvas.getContext('2d');<br> width = Canvas.width,<br> height = Canvas.height;<br> ctx.fillStyle = "#FF0000";<br> ctx.font = "20px Arial" ;<br> ctx.fillText("妈妈",10,50);<br><br> var pixs = ctx.getImageData(0,0,width,height).data;<br> var Pixels = new Array( );<br><br> for(var i=0;i<pixs.length;i = 4)<BR> {<BR> var r = pixs[i],<BR> g = ピクス[i 1] ,<BR> b = pixs[i 2],<BR> a = pixs[i 3];<br><br> if(r != 0 || g != 0 || b != 0 ){<BR> var x = i@0;<BR> var y = i/400;<BR> Pixels.push(新しい位置(x,y));<BR> }<BR> }<br><br> < ;/script><br> </body><br></html><br> </div>
