我有一个图像和一个带有填充光栅数据的数组......但是图像显示只是黑色,请帮助....
IndexColorModel icm = new IndexColorModel(1,2,red,green,blue);
BufferedImage buf = new BufferedImage(width,height,BufferedImage.TYPE_BYTE_INDEXED,icm);
byte[] a = ((DataBufferByte) buf.getRaster().getDataBuffer()).getData();
//Logically filled up the whole image data here
//showing the image
JFrame jf = new JFrame("1-Bit BMP");
jf.setSize(width,height);
//jf.setResizable(false);
JLabel jl = new JLabel();
JScrollPane js = new JScrollPane(jl);
jl.setIcon(new ImageIcon(buf));
jf.add(js);
jf.setVisible(true);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
答案 0 :(得分:0)
只需像这样改变你的IndexColorModel
....
IndexColorModel icm = new IndexColorModel(8,256,red,green,blue);
表示1位... 1,2 对于2位...... 2,4 对于4位... 4,16 对于8位... 8,256
16位或更多位也不需要IndexColorModel
....