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要做一个抠图应用,所以随手做了个鼠标取色,代码如下:
1 void mousePressed(){ 2 int imgC = get(mouseX,mouseY); 3 int R = (imgC >> 16) & 0xFF; 4 int G = (imgC >> 8) & 0xFF; 5 int B = imgC & 0xFF; 6 println("Current position color: Red = "+R+", Green = "+G+", Blue = "+B); 7 }
放到sketch最后面,运行后在画布中单击鼠标就能获取当前像素的颜色值。
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原文地址:http://www.cnblogs.com/x5115x/p/3871235.html