import groovy.swing.j2d.*
def gr = new GraphicsRenderer()
gr.renderToFile("sample833a.png", 200, 200){
antialias("on")
rect( x: 0, y: 0, width: 200, height: 200,
borderColor: no){
texturePaint(x: 0, y: 0, file: 'sf.jpg' )
filters {
quantize(numColors: 64)
}
}
}
元画像(sf.jpg)
出力画像(sample833a.png)
![groovyで減色した画像](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEILogk0MQN-Zu_MRWwKMQFW-chq9hZsOlTL56VQX0R3SDTCzkCgxEDN5_09hb441Gv-C5J7BB1kHOzaZpdEg4viqW9Mco9qdunHsMw8RyvVjLBtvo2Vyxi6_HCbZihaBbZNBd/s320/sample833a.png)
動作環境
Groovy1.6.0 Beta2, JDK1.6 Update11
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