<DIV STYLE="position:absolute;zoom:0.5;background:black;width:400;height:300;top:33;left:55"> <DIV ID="oDiv" STYLE=" background-color: lightblue; padding:5;width:300;height:300;"> SOME TEXT<BR/> SOME TEXT<BR/> SOME TEXT<BR/> SOME TEXT<BR/> </DIV></DIV> 
<SCRIPT>...
//oObj input requires that a matrix filter be applied. //deg input defines the requested angle of rotation.var deg2radians = Math.PI * 2 / 360;function MatrixFilter(obj)
...{ if(!obj.filters)return; //alert(obj.filters.item(0)); var Matrix; for(p in obj.filters) ...{ if(p=="DXImageTransform.Microsoft.Matrix")Matrix=obj.filters["DXImageTransform.Microsoft.Matrix"]; 
} if(!Matrix) ...{ obj.style.filter+="progid:DXImageTransform.Microsoft.Matrix()"; } Matrix=obj.filters["DXImageTransform.Microsoft.Matrix"]; this.equal=function(Matrix2D_x) ...{ if(Matrix2D_x.M11)Matrix.M11 = Matrix2D_x.M11; if(Matrix2D_x.M12)Matrix.M12 = Matrix2D_x.M12; if(Matrix2D_x.M21)Matrix.M21 = Matrix2D_x.M21; if(Matrix2D_x.M22)Matrix.M22 = Matrix2D_x.M22; } if(arguments[1])this.equal(arguments[1]); this.Rotate=function(deg) ...{ rad = deg * deg2radians; costheta = Math.cos(rad); sintheta = Math.sin(rad); var d=new Matrix2D(costheta,-sintheta,sintheta,costheta); this.equal(Matrix2D.Mul(Matrix,d)); } this.RotateTo=function(deg) ...{ rad = deg * deg2radians; costheta = Math.cos(rad); sintheta = Math.sin(rad); var d=new Matrix2D(costheta,-sintheta,sintheta,costheta); this.equal(d); } this.MoveTo=function(sx,sy) ...{ this.(Matrix2D.Mul(Matrix,d)); } this.toMatrix2D=function() ...{ return new Matrix2D(Matrix.M11,Matrix.M12,Matrix.M21,Matrix.M22); } this.ZoomBy=function(sx,sy) ...{ var d=new Matrix2D(sx,0,0,sy); this.equal(Matrix2D.Mul(Matrix,d)); } this.toString=function() ...{ return ""+Matrix.M11+" "+Matrix.M12+" "+Matrix.M21+" "+Matrix.M22+" " } //Matrix.SizingMethod='clip to original'; //this.fnSetRotation(30); //alert(Matrix.M11); //alert(obj.filters["DXImageTransform.Microsoft.Matrix"]);}function Matrix2D()...{ this.M11 = arguments[0]||1; this.M12 = arguments[1]||0; this.M21 = arguments[2]||0; this.M22 = arguments[3]||1; this.Mul_Matrix2D=function(Matrix2D_b) ...{ var r=new Matrix2D(); r=Matrix2D.Mul(this,Matrix2D_b); return r; } this.toString=function() ...{ return ""+this.M11+" "+this.M12+" "+this.M21+" "+this.M22+" " }}Matrix2D.Mul=function(Matrix2D_a,Matrix2D_b)...{ var r=new Matrix2D(); r.M11=Matrix2D_a.M11*Matrix2D_b.M11+Matrix2D_a.M12*Matrix2D_b.M21; r.M12=Matrix2D_a.M11*Matrix2D_b.M12+Matrix2D_a.M12*Matrix2D_b.M22; r.M21=Matrix2D_a.M21*Matrix2D_b.M11+Matrix2D_a.M22*Matrix2D_b.M21; r.M22=Matrix2D_a.M21*Matrix2D_b.M12+Matrix2D_a.M22*Matrix2D_b.M22; return r; }var mf=new MatrixFilter(oDiv);setInterval("mf.Rotate(1)",30);//mf.ZoomBy(1.5,1.5);//mf.ZoomBy(1.5,1.5);//alert(mf.toMatrix2D());//alert(Matrix2D.Mul(m2d1,m2d2));
//fnSetRotation(oDiv.filters.item(0),30);</script>如果你想完全看明白它，你可能需要一点计算机图形学的基础知识。