//向右旋转90度
public function rotateRight(bmpData:BitmapData):BitmapData {
var mc:Matrix = new Matrix();
mc.rotate(Math.PI/2);
mc.translate(bmpData.height,0);
var bmpData:BitmapData = new BitmapData(bmpData.height,bmpData.width,true,0);
bmpData.draw(bmpData,mc);
return bmpData;
}
//向左旋转90度
public function rotateLeft(bmpData:BitmapData):BitmapData {
var mc:Matrix = new Matrix();
mc.rotate(-Math.PI/2);
mc.translate(0,bmpData.width);
var bmpData:BitmapData = new BitmapData(bmpData.height,bmpData.width,true,0);
bmpData.draw(bmpData,mc);
return bmpData;
}
//水平翻转
public function flipHorizontal(dsp:DisplayObject):void {
var mc:Matrix = dsp.transform.matrix;
mc.a = -1;
mc.tx = dsp.width + dsp.x;
dsp.transform.matrix = mc;
}
//垂直翻转
public function flipVertical(dsp:DisplayObject):void {
var mc:Matrix = dsp.transform.matrix;
mc.d = -1;
mc.ty = dsp.height + dsp.y;
dsp.transform.matrix = mc;
}
public function rotateRight(bmpData:BitmapData):BitmapData {
var mc:Matrix = new Matrix();
mc.rotate(Math.PI/2);
mc.translate(bmpData.height,0);
var bmpData:BitmapData = new BitmapData(bmpData.height,bmpData.width,true,0);
bmpData.draw(bmpData,mc);
return bmpData;
}
//向左旋转90度
public function rotateLeft(bmpData:BitmapData):BitmapData {
var mc:Matrix = new Matrix();
mc.rotate(-Math.PI/2);
mc.translate(0,bmpData.width);
var bmpData:BitmapData = new BitmapData(bmpData.height,bmpData.width,true,0);
bmpData.draw(bmpData,mc);
return bmpData;
}
//水平翻转
public function flipHorizontal(dsp:DisplayObject):void {
var mc:Matrix = dsp.transform.matrix;
mc.a = -1;
mc.tx = dsp.width + dsp.x;
dsp.transform.matrix = mc;
}
//垂直翻转
public function flipVertical(dsp:DisplayObject):void {
var mc:Matrix = dsp.transform.matrix;
mc.d = -1;
mc.ty = dsp.height + dsp.y;
dsp.transform.matrix = mc;
}