1 package   2 {  3     import flash.display.*;  4     import flash.events.Event;  5     import flash.utils.ByteArray;  6     import flash.events.*;  7     import flash.net.*;  8     import com.adobe.images.JPGEncoder;  9     import flash.geom.*; 10     import flash.ui.Mouse; 11     import elements.*; 12     import flash.utils.ByteArray; 13     import flash.ui.*; 14  15     public class avatar_upload extends MovieClip 16     { 17         private var loader:Loader; 18         private var fileRef1:FileReference = new FileReference  ; 19         private var Data:ByteArray; 20         var loader1:Loader; 21         var _bitmap:Bitmap; 22         var squ:squarePoint; 23         var s:Sprite; 24         //var arrow:scaleArrowhead; 25         var nowArrow:Sprite; 26         var rect:Rectangle=new Rectangle(); 27         var rect1:Rectangle=new Rectangle(); 28         var maskSprite:Sprite; 29         var crop_bmd:BitmapData; 30         var content_bmd:Bitmap = new Bitmap  ; 31         public function avatar_upload() 32         { 33             again.addEventListener(MouseEvent.CLICK,again_handler); 34             upload_btn.addEventListener(MouseEvent.CLICK,upload_handler); 35             load_img.reload.addEventListener(MouseEvent.CLICK,reload_handler); 36             init_border(); 37             uploading.visible = true; 38             tip.visible = false; 39         } 40         //初始化边框及事件 41         public function init_border() 42         { 43             s = new Sprite  ; 44             s.addEventListener(MouseEvent.MOUSE_DOWN,mouse_down); 45             squ = new squarePoint  ; 46             arrow.rotation = 45; 47             arrow.x = 0; 48             arrow.y = 0; 49             arrow.visible = false; 50             s.addChild(arrow); 51             s.addEventListener(MouseEvent.MOUSE_OVER,mouse_over1); 52             arrow.addEventListener(MouseEvent.MOUSE_OVER,mouse_over1); 53             squ.addEventListener(MouseEvent.MOUSE_OUT,mouse_out1); 54             s.addEventListener(MouseEvent.MOUSE_OUT,mouse_out1); 55             arrow.addEventListener(MouseEvent.MOUSE_DOWN,mouse_down1); 56             stage.addEventListener(MouseEvent.MOUSE_UP,mouse_up1); 57             var g:Graphics = s.graphics; 58             g.lineStyle(0.2,0xff0000,0.5); 59             g.beginFill(0xffffff,0); 60             g.drawRect(0,0,110,105); 61             squ.x = 107; 62             squ.y = 103; 63             s.addChildAt(squ,0); 64             //trace(s.width+" "+s.height); 65         } 66         //上传 67         private function upload_handler(event:MouseEvent):void 68         { 69             uploading.visible = true; 70             tip.visible = true; 71             tip.text = "上传中..."; 72             var r:Rectangle = squ.getBounds(s); 73             var bitmapData:BitmapData = http://www.mamicode.com/cropBitmap(load_img,s.x + 1,s.y + 1,r.x + 3,r.y + 3).bitmapData; 74             var _encoder:JPGEncoder = new JPGEncoder(100); 75             bitmapData.draw(bitmapData); 76             Data =http://www.mamicode.com/ _encoder.encode(bitmapData); 77             var req:URLRequest = new URLRequest("http://localhost/youtube/util/upload.php"); 78             req.data =http://www.mamicode.com/ Data; 79             req.method = URLRequestMethod.POST; 80             req.contentType = "application/octet-stream"; 81             var loader:URLLoader = new URLLoader  ; 82             loader.dataFormat = URLLoaderDataFormat.BINARY; 83             loader.load(req); 84             loader.addEventListener(Event.COMPLETE,upload_complete); 85         } 86         private function upload_complete(event:Event):void 87         { 88             uploading.visible = false; 89             tip.visible = false; 90         } 91         //重选图片 92         private function again_handler(event:MouseEvent):void 93         { 94             load_img.removeChildAt(2); 95             load_img.removeChildAt(2); 96             gen_img.removeChildAt(0); 97             s.removeChildAt(0); 98             s.visible = false; 99             init_small.visible = true;100             load_img.reload.visible = true;101         }102         private function reload_handler(event:MouseEvent):void103         {104             fileRef1.browse(getFilterTypes());105             fileRef1.addEventListener(Event.SELECT,selectHandler);106         }107         private function getImagesFilter():FileFilter108         {109             return new FileFilter("images(*.jpg, *.gif, *.png, *.jpg)","*.jpg;*.jpeg;*.gif;*.png");110         }111         private function getFilterTypes():Array112         {113             return [getImagesFilter()];114         }115         private function selectHandler(event:Event):void116         {117             fileRef1.load();118             fileRef1.addEventListener(Event.COMPLETE,function()119             {120             loader1=new Loader();121             loader1.loadBytes(fileRef1.data);122             loader1.contentLoaderInfo.addEventListener (Event.COMPLETE, onl oaded1);123             load_img.reload.visible=false;124             fileRef1.removeEventListener(Event.COMPLETE, arguments.callee);125             });126         }127         //载人图像 128         private function onl oaded1(e:Event):void129         {130             s.visible =true;131             var _bitmap:Bitmap = e.target.content as Bitmap;132             this._bitmap = _bitmap;133             scaleInBox(_bitmap,390,360);134             s.x = _bitmap.x = (390 - _bitmap.width) * 0.5;135             s.y = _bitmap.y = (360 - _bitmap.height) * 0.5;136             load_img.addChild(_bitmap);137             load_img.addChild(s);138             draw_capture();139             drawMask();140             uploading.visible = false;141             loader1.contentLoaderInfo.addEventListener(Event.COMPLETE,arguments.callee);142         }143         private function mouse_down(e:MouseEvent)144         {145             rect1.x = this._bitmap.x;146             rect1.y = this._bitmap.y;147             rect1.width = this._bitmap.width - s.width;148             rect1.height = this._bitmap.height - s.height;149             arrow.visible = false;150             e.target.startDrag(false,rect1);151             //trace(rect1);152             //e.stopPropagation();153             stage.addEventListener(MouseEvent.MOUSE_MOVE,mouse_move);154         }155         private function mouse_move(event:MouseEvent):void156         {157             //trace(rect1);158             //trace(s.width+" "+s.height);159             draw_content();160             //event.updateAfterEvent();161         }162         private function mouse_up(event:MouseEvent):void163         {164             s.stopDrag();165             squ.x = stage.mouseX - s.x;166             squ.y = stage.mouseY - s.y;167             event.stopPropagation();168             stage.removeEventListener(MouseEvent.MOUSE_MOVE,mouse_move);169             draw_capture();170         }171         //绘制边框172         private function drawRim(obj:Sprite,rect:Rectangle)173         {174             var sx:Number = rect.x;175             var sy:Number = rect.y;176             var sw:Number = rect.width;177             var sh:Number = rect.height;178             obj.graphics.clear();179             obj.graphics.moveTo(sx,sy);180             obj.graphics.lineStyle(0.2,0xff0000,0.5);181             obj.graphics.beginFill(0xffffff,0);182             obj.graphics.drawRect(sx,sy,sw,sh);183             squ.x = sw;184             squ.y = sh;185         }186         //遮罩187         private function drawMask():void188         {189             maskSprite = new Sprite  ;190             var g:Graphics = maskSprite.graphics;191             g.beginFill(0x000000,0.5);192             g.drawRect(0,0,390,360);193             load_img.addChild(maskSprite);194             load_img.swapChildren(maskSprite,s);195         }196         private function draw_content():void197         {198             var r:Rectangle = squ.getBounds(s);199             var b = cutOutRect(this._bitmap,r.x + 3,r.y + 3,s.x - this._bitmap.x,s.y - this._bitmap.y);200             if (s.contains(content_bmd))201             {202                 s.removeChildAt(0);203             }204             content_bmd.bitmapData =http://www.mamicode.com/ b;205             s.addChildAt(content_bmd,0);206         }207         //在右边缩放框显示图像208         private function draw_capture()209         {210             draw_content();211             init_small.visible = false;212             var r:Rectangle = squ.getBounds(s);213             trace(s.x+" "+s.y+" "+r+" "+s.width+" "+s.height);214             var crop_bmd:Bitmap = cropBitmap(load_img,s.x + 1,s.y + 1,r.x + 3,r.y + 3);215             var bitmapData = http://www.mamicode.com/scaleBitmapData(crop_bmd.bitmapData,105 / r.x + 3,100 /r.y + 3);216             var bitmap:Bitmap = new Bitmap(bitmapData);217             bitmap.width = 105;218             bitmap.height = 100;219             if (gen_img.numChildren > 0)220             {221                 gen_img.removeChildAt(0);222             }223             gen_img.addChild(bitmap);224         }225         //方框事件回调226         private function mouse_over1(e:MouseEvent)227         {228             if (e.target is squarePoint || e.target is MovieClip)229             {230                 arrow.x = squ.x - 7;231                 arrow.y = squ.y - 12;232                 arrow.visible = true;233                 Mouse.hide();234             }235         }236         private function mouse_out1(e:MouseEvent)237         {238             arrow.visible = false;239             Mouse.show();240             e.stopPropagation();241         }242         private function mouse_down1(e:MouseEvent)243         {244             squ.stage.addEventListener(MouseEvent.MOUSE_MOVE,mouse_move1);245             stage.removeEventListener(MouseEvent.MOUSE_UP,mouse_up1);246             arrow.visible = true;247             Mouse.hide();248             //e.stopPropagation();249         }250         private function mouse_move1(e:MouseEvent)251         {252             arrow.visible = true;253             Mouse.hide();254             squ.removeEventListener(MouseEvent.MOUSE_DOWN,mouse_down1);255             stage.addEventListener(MouseEvent.MOUSE_UP,mouse_up1);256             var rec:Rectangle = new Rectangle  ;257             //trace(s.stage.x+" "+s.x);258             rec.x = s.stage.x;259             rec.y = s.stage.y;260             rec.width = stage.mouseX - s.x;261             rec.height = stage.mouseY - s.y;262             //trace(rect);263             arrow.x = stage.mouseX - s.x;264             arrow.y = stage.mouseY - s.y;265             if (rec.width > 0 && rec.height > 0 && rec.x+s.x+ rec.width < this._bitmap.x + this._bitmap.width && rec.y + rec.height + s.y < this._bitmap.y + this._bitmap.height)266             {267                 drawRim(s,rec);268             }269             arrow.visible = true;270             draw_content();271             //e.stopPropagation();272             e.updateAfterEvent();273         }274         private function mouse_up1(e:MouseEvent)275         {276             squ.addEventListener(MouseEvent.MOUSE_DOWN,mouse_down1);277             squ.stage.removeEventListener(MouseEvent.MOUSE_MOVE,mouse_move1);278             s.stopDrag();279             arrow.x = stage.mouseX - s.x;280             arrow.y = stage.mouseY - s.y;281             e.stopPropagation();282             arrow.visible = false;283             Mouse.show();284             gen_img.removeChildAt(0);285             draw_capture();286             arrow.x = 0;287             arrow.y = 0;288         }289         //移动方框时重绘方框内图像290         function cropBitmap(ARG_object:DisplayObject,ARG_x:Number,ARG_y:Number,ARG_width:Number,ARG_height:Number):Bitmap291         {292             var cropArea:Rectangle = new Rectangle(0,0,ARG_width,ARG_height);293             var bmpd:BitmapData = http://www.mamicode.com/new BitmapData(ARG_width,ARG_height);294             var croppedBitmap:Bitmap = new Bitmap(bmpd,PixelSnapping.ALWAYS,true);295             var cropMatrix:Matrix = new Matrix  ;296             cropMatrix.translate( -  ARG_x, -  ARG_y);297             bmpd.draw(ARG_object,cropMatrix,null,null,cropArea,true);298             return croppedBitmap;299         }300         //裁剪要上传的图片301         public function cutOutRect(target:DisplayObject,width:Number,height:Number,distanceX:Number,distanceY:Number,transparent:Boolean=true,fillColor:uint=0x00000000):BitmapData302         {303             var m:Matrix = target.transform.matrix;304             m.tx -=  target.getBounds(target.parent).x + distanceX;305             m.ty -=  target.getBounds(target.parent).y + distanceY;306             var bmpData:BitmapData = http://www.mamicode.com/new BitmapData(width,height,transparent,fillColor);307             bmpData.draw(target,m);308             return bmpData;309         }310         //根据比例缩放311         public function scaleBitmapData(bmpData:BitmapData,scaleX:Number,scaleY:Number):BitmapData312         {313             var matrix:Matrix = new Matrix  ;314             matrix.scale(scaleX,scaleY);315             var bmpData_:BitmapData = http://www.mamicode.com/new BitmapData((scaleX * bmpData.width),scaleY * bmpData.height,true,0);316             bmpData_.draw(bmpData,matrix,null,null,null,true);317             return bmpData_;318         }319         //在盒子里缩放320         private function scaleInBox(target:DisplayObject,boxWidth:Number,boxHeight:Number):void321         {322             var scale:Number = Math.min((boxWidth / target.width),boxHeight / target.height);323             target.scaleX = scale;324             target.scaleY = scale;325         }326     }327 }