protected static BufferedImage createComponentImage(int w, int h,
ComponentColorModel cm)
{
WritableRaster wr = cm.createCompatibleWritableRaster(w, h);
BufferedImage img = new BufferedImage(cm, wr, false, null);
Graphics2D g = img.createGraphics();
int width = w / 8;
Color[] colors = new Color[8];
colors[0] = Color.red;
colors[1] = Color.green;
colors[2] = Color.blue;
colors[3] = Color.white;
colors[4] = Color.black;
colors[5] = new Color(0x80, 0x80, 0x80, 0x00);
colors[6] = Color.yellow;
colors[7] = Color.cyan;
for (int i = 0; i < 8; i++) {
g.setColor(colors[i]);
g.fillRect(i * width, 0, width, h);
}
return img;
}
IndexingTest.java 文件源码
java
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项目:openjdk-jdk10
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