this.canvasEl=document.createElement("canvas");this.contextEl=this.canvasEl.getContext("2d");switch(this.rotate){case 0:this.canvasEl.width=this.imageEl.OriginWidth*this.getScaleLevel();this.canvasEl.height=this.imageEl.OriginHeight*this.getScaleLevel();this.contextEl.drawImage(A,0,0,this.canvasEl.width,this.canvasEl.height,0,0,this.canvasEl.width,this.canvasEl.height);
break;case 90:this.canvasEl.width=this.imageEl.OriginHeight*this.getScaleLevel();this.canvasEl.height=this.imageEl.OriginWidth*this.getScaleLevel();if(this.imageEl.OriginWidth>this.imageEl.OriginHeight){this.contextEl.drawImage(A,Math.abs(this.canvasEl.width-this.canvasEl.height),0,this.canvasEl.width,this.canvasEl.height,0,0,this.canvasEl.width,this.canvasEl.height);
break;}this.contextEl.drawImage(A,0,0,this.canvasEl.width,this.canvasEl.height,0,0,this.canvasEl.width,this.canvasEl.height);break;case 180:this.canvasEl.width=this.imageEl.OriginWidth*this.getScaleLevel();this.canvasEl.height=this.imageEl.OriginHeight*this.getScaleLevel();
this.canvasEl=document.createElement("canvas");this.contextEl=this.canvasEl.getContext("2d");switch(this.rotate){case 0:this.canvasEl.width=this.imageEl.OriginWidth*this.getScaleLevel();this.canvasEl.height=this.imageEl.OriginHeight*this.getScaleLevel();this.contextEl.drawImage(A,0,0,this.canvasEl.width,this.canvasEl.height,0,0,this.canvasEl.width,this.canvasEl.height);
break;case 90:this.canvasEl.width=this.imageEl.OriginHeight*this.getScaleLevel();this.canvasEl.height=this.imageEl.OriginWidth*this.getScaleLevel();if(this.imageEl.OriginWidth>this.imageEl.OriginHeight){this.contextEl.drawImage(A,Math.abs(this.canvasEl.width-this.canvasEl.height),0,this.canvasEl.width,this.canvasEl.height,0,0,this.canvasEl.width,this.canvasEl.height);
break;}this.contextEl.drawImage(A,0,0,this.canvasEl.width,this.canvasEl.height,0,0,this.canvasEl.width,this.canvasEl.height);break;case 180:this.canvasEl.width=this.imageEl.OriginWidth*this.getScaleLevel();this.canvasEl.height=this.imageEl.OriginHeight*this.getScaleLevel();