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                            ## Canvas圖形畫刷
~~~
var img = new Image();
img.src = "logo.png";
img.onload = function() {
	//4種模式 norepeat repeat-x repeat-y repeat
    //創建圖形畫刷
    var pattern = ctx.createPattern(img, "repeat");
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, canvas.width, canvas.height);
}
~~~

> 已經學習的fillStyle三種模式
> 1. 純顏色
> 2. 漸變
> 3. 圖形
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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