我使用以下代码“裁剪图像”,但它忽略了透明度,因此从此方法获得的任何BufferedImages都是完全不透明的,并且似乎没有任何.getARGB()或.setARGB()方法。我该如何解决这个问题?
private static BufferedImage getCroppedImage(BufferedImage wholeImage, int xPos, int yPos, int width, int height)
{
GraphicsEnvironment graphEnv = GraphicsEnvironment.getLocalGraphicsEnvironment();
BufferedImage croppedImage = null;
try
{
GraphicsDevice screen = graphEnv.getDefaultScreenDevice();
GraphicsConfiguration gc = screen.getDefaultConfiguration();
croppedImage = gc.createCompatibleImage(width, height, Transparency.BITMASK);
}
catch (Exception e)
{
new errorWindow(e, "crop, in Images");
}
if (croppedImage == null)
{
croppedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
}
int[] pixels = new int[width * height];
wholeImage.getRGB(xPos, yPos, width, height, pixels, 0, width);
croppedImage.setRGB(0, 0, width, height, pixels, 0, width);
return croppedImage;
}