您好！

使用快捷键ctrl+“+”和ctrl+“-”分别提高或降低浏览器缩放比例
快捷键ctrl+0恢复浏览器的缩放比例为100%
知悉哦~

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　　//复位锚点
private function backxy():void{
b1.move(0,0);
b2.move(0,10);
}
//左旋转用
private function changeimage():void{
var _matrix:matrix=finalimage.transform.matrix;
}
/***图片调整***/
//旋转初始值
private var rotatedeg:number=0;
private function initdata():void{
}
//旋转
private function degreestoradians(degrees:number):number {
return (degrees * (math.pi / 180));
}
/**
* 判断是左旋转还是有旋转
* */
private function button_click(evt:event):void {
var direction:int;
switch (evt.currenttarget) {
case degreesup:
direction = +1;
break;
case degreesdown:
direction = -1;
break;
}
var radians:number = degreestoradians(direction);
var offsetwidth:number = finalimage.width / 2;
var offsetheight:number = finalimage.height / 2;
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.translate(-offsetwidth, -offsetheight);
tempmatrix.rotate(radians);
tempmatrix.translate(+offsetwidth, +offsetheight);

finalimage.transform.matrix = tempmatrix;

rotatedeg = finalimage.rotation;
}
//恢复原装
private function resetimage():void {
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.identity();
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;
}
//放大
private function tobig():void{
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.scale(1.1, 1.1);
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;
}
//缩小
private function tosmall():void{
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix. scale(0.9, 0.9);
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;

}
//上下左右移动
//上移
private function totop():void{
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.translate(0,-10);
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;
}
//下移
private function todown():void{
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.translate(0,10);
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;
}
//左移
private function toleft():void{
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.translate(-10, 0);
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;
}
//右移
private function toright():void{
var tempmatrix:matrix = finalimage.transform.matrix;
tempmatrix.translate(10, 0);
finalimage.transform.matrix = tempmatrix;
rotatedeg = finalimage.rotation;
}
//快照显示
private function showimage3():void{
var bd:bitmapdata = new bitmapdata(g3.width,g3.height);
var m:matrix = new matrix();
bd.draw(g3,m);
finalimage.source=new bitmap(bd);
}