在java中使用ColorConvertOp后setRGB失败
我正试图用这种方法将我的图像转换成灰度在java中使用ColorConvertOp后setRGB失败,java,Java,我正试图用这种方法将我的图像转换成灰度 private void GSActionPerformed(java.awt.event.ActionEvent evt) { BufferedImage temp = showing; //showing is a varible that store my temp img. int[][] data = getData(temp); // getD
private void GSActionPerformed(java.awt.event.ActionEvent evt) {
BufferedImage temp = showing; //showing is a varible that store my temp img.
int[][] data = getData(temp); // getData() give me a 2d array that has images coordinate and default RGB color model (TYPE_INT_ARGB).
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
ColorConvertOp op = new ColorConvertOp(cs, null);
temp = op.filter(temp, null);
BufferedImage newImage = temp;
picDisplay.setIcon(new ImageIcon(newImage));
picDisplay.updateUI();
showing = newImage;
}