1 import flash.display.Sprite;
2 import flash.display.Loader;
3 import flash.net.URLRequest;
4 import flash.events.Event;
5 import flash.display.Bitmap;
6 import flash.display.BitmapData;
7
8 var pixelsArr : Array;
9 var loader : Loader;
10 var url :
String;
11 var bitMap : Bitmap;
12 var outPut : Bitmap;
13 var outPutData : BitmapData;
14
15 init("imag.jpg"
);
16
17 function draw(source:BitmapData, w:
Number, h:
Number, topLen:
Number ):BitmapData
18 {
19 outPutData=new BitmapData(1024,768,
true, 0x000000
);
20 var tanA :
Number=(h - topLen) /
w;
21 var tmpHeight:
Number;
22 for (
var i:uint=0; i < w; i++
)
23 {
24 tmpHeight = topLen + i*
tanA;
25 for (
var k:uint=0; k < tmpHeight; k++
)
26 {
27 outPutData.setPixel32(i, k + (h - tmpHeight) / 2, source.getPixel32(i*(source.width/w), k*(source.height /
tmpHeight)));
28 }
29 }
30 return outPutData;
31 }
32
33 function init(strURL:
String):void
34 {
35 loader =
new Loader();
36 loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onPicLoaded);
37 loader.load(new URLRequest(strURL));
38
39 }
40
41 function onPicLoaded(evt : Event):void
42 {
43 addChild(loader);
44 loader.x = 10
45 loader.y = 10
46 loader.width=300
;
47 loader.height=200
;
48
49 pixelsArr =
new Array();
50 var $loader : Loader =
Loader(evt.target.loader);
51 bitMap =
Bitmap($loader.content);
52 var $bitmapData: BitmapData =
bitMap.bitmapData;
53 outPut = new Bitmap(draw($bitmapData, 200, 500, 160
));
54 outPut.y = 100
;
55 outPut.x = 310
56 addChild(outPut);
57 }
转载于:https://www.cnblogs.com/ebel/archive/2012/05/19/2508940.html
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