flash on 2009-12-13 uwi forked:0favorite:4lines:179license : MIT License modified : 2009-12-14 15:44:27 Embed Tweet package { import flash.display.*; import flash.geom.*; import flash.events.*; import flash.text.*; import flash.utils.*; import flash.filters.*; public class Main extends Sprite { static private const N:uint = 50; private function _init():void { _debug( "465x465のBitmapDataで各テスト " + N + " 回処理させた計算結果 [単位 : ミリ秒]\n" + "(誤差は多少生じます)\n" ); var W : int = 465; var H : int = 465; var src : BitmapData = new BitmapData(W, H, false, 0x000000); var dst : BitmapData = new BitmapData(W, H, false, 0x000000); var ct : ColorTransform = new ColorTransform(0.99, 0.99, 0.99, 0.99, 20, 20, 20, 20); var cmf : ColorMatrixFilter = new ColorMatrixFilter([ 0.99, 0, 0, 0, 20, 0, 0.99, 0, 0, 20, 0, 0, 0.99, 0, 20, 0, 0, 0, 0.99, 20 ]); var bf : BlurFilter = new BlurFilter(4, 4, 1); var P0 : Point = new Point(); src.lock(); dst.lock(); var bmp : Bitmap = new Bitmap(src); src.noise(0); _measure("べーす", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); } }); /* _measure("perlinNoise", function ():void { for (var i:uint = 0; i < N; i++) { dst.floodFill(0, 0, 0xffffff); dst.perlinNoise(0, 0, 1, i, false, false); } }); */ _measure("noise", function ():void { for (var i:uint = 0; i < N; i++) { dst.floodFill(0, 0, 0xffffff); dst.noise(i); } }); _measure("histogram", function ():void { for (var i:uint = 0; i < N; i++) { dst.floodFill(0, 0, 0xffffff); dst.histogram(); } }); _measure("floodFill", function ():void { for (var i:uint = 0; i < N; i++) { dst.floodFill(0, 0, 0xffffff); dst.fillRect(src.rect, 0); } }); _measure("blurFilter(4, 4, 1)", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.applyFilter(src, src.rect, P0, bf); } }); _measure("copyChannel", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.copyChannel(src, src.rect, P0, 4, 4); } }); _measure("colorTransform", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.colorTransform(src.rect, ct); } }); _measure("ColorMatrixFilter", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.applyFilter(src, src.rect, P0, cmf); } }); /* _measure("clone", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst = src.clone(); // dst.dispose(); } }); */ _measure("threshold", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.threshold(src, src.rect, P0, ">=", 0, 0xffffff); } }); _measure("draw", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.draw(bmp); } }); _measure("copyPixels", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.copyPixels(src, src.rect, P0); } }); _measure("fillRect", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.fillRect(src.rect, 0xffffff); } }); _measure("setPixel", function ():void { for (var i:uint = 0; i < N; i++) { dst.fillRect(src.rect, 0); dst.setPixel(i, i, i); } }); _debug("\n結果については言及しませんので, 各自ご判断ください."); } private var _field:TextField; private var _time:uint; public function Main():void { _setup(); _init(); } private function _measure(title:String, func:Function, ...params):void { _time = getTimer(); func.apply(null, params); _time = getTimer() - _time; _debug("[ " + title + " ] --> " + _time + " ms"); } private function _debug(log:String):void { _field.appendText(log + "\n"); } private function _setup():void { _field = new TextField(); _field.width = stage.stageWidth - 40; _field.height = stage.stageHeight - 60; _field.x = 20; _field.y = 60; _field.multiline = true; _field.wordWrap = true; var format:TextFormat = _field.defaultTextFormat; format.font = "_sans"; _field.defaultTextFormat = format; addChild(_field); var button:Sprite = new Sprite(); button.graphics.lineStyle(1, 0xBBBBBB); button.graphics.beginFill(0xEEEEEE); button.graphics.drawRoundRect(0, 0, 100, 20, 5, 5); button.graphics.endFill(); addChild(button); button.x = 20; button.y = 20; button.mouseChildren = false; button.buttonMode = true; var field:TextField = new TextField(); field.width = 100; field.height = 20; field.htmlText = "<p align='center'><font face='_sans'>再計算</span></p>"; button.addChild(field); button.addEventListener(MouseEvent.CLICK, function ():void { _field.text = ""; _init(); }); } } } Code Fullscreen Preview Fullscreen dizgid PROT830 ep91ckok : tips最適化 clockmaker : 最適化BitmapData各種メソッドの実行時間比較 tips 最適化 fillRect rect floodFill title histogram Math.log ColorMatrixFilter getTimer copyChannel applyFilter defaultTextFormat mouseChildren noise drawRoundRect wordWrap apply threshold buttonMode htmlText TextField