111 lines
3.6 KiB
Java
111 lines
3.6 KiB
Java
/* Copyright (C) 2012-2016 Brian P. Hinz
|
|
* Copyright (C) 2012 D. R. Commander. All Rights Reserved.
|
|
*
|
|
* This is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This software is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this software; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*/
|
|
|
|
package com.tigervnc.vncviewer;
|
|
|
|
import java.awt.*;
|
|
import java.awt.image.*;
|
|
import java.nio.*;
|
|
|
|
import com.tigervnc.rfb.*;
|
|
import com.tigervnc.rfb.Point;
|
|
|
|
public class JavaPixelBuffer extends PlatformPixelBuffer
|
|
{
|
|
|
|
public JavaPixelBuffer(int w, int h) {
|
|
super(getPreferredPF(), w, h,
|
|
getPreferredPF().getColorModel().createCompatibleWritableRaster(w,h));
|
|
ColorModel cm = format.getColorModel();
|
|
image = new BufferedImage(cm, data, cm.isAlphaPremultiplied(), null);
|
|
image.setAccelerationPriority(1);
|
|
}
|
|
|
|
public WritableRaster getBufferRW(Rect r)
|
|
{
|
|
synchronized(image) {
|
|
return ((BufferedImage)image)
|
|
.getSubimage(r.tl.x, r.tl.y, r.width(), r.height()).getRaster();
|
|
}
|
|
}
|
|
|
|
public Raster getBuffer(Rect r)
|
|
{
|
|
Rectangle rect =
|
|
new Rectangle(r.tl.x, r.tl.y, r.width(), r.height());
|
|
synchronized(image) {
|
|
return ((BufferedImage)image).getData(rect);
|
|
}
|
|
}
|
|
|
|
public void fillRect(Rect r, byte[] pix)
|
|
{
|
|
ColorModel cm = format.getColorModel();
|
|
int pixel =
|
|
ByteBuffer.wrap(pix).order(format.getByteOrder()).asIntBuffer().get(0);
|
|
Color c = new Color(cm.getRGB(pixel));
|
|
synchronized(image) {
|
|
Graphics2D g2 = (Graphics2D)image.getGraphics();
|
|
g2.setColor(c);
|
|
g2.fillRect(r.tl.x, r.tl.y, r.width(), r.height());
|
|
g2.dispose();
|
|
}
|
|
|
|
commitBufferRW(r);
|
|
}
|
|
|
|
public void copyRect(Rect rect, Point move_by_delta)
|
|
{
|
|
synchronized(image) {
|
|
Graphics2D g2 = (Graphics2D)image.getGraphics();
|
|
g2.copyArea(rect.tl.x - move_by_delta.x,
|
|
rect.tl.y - move_by_delta.y,
|
|
rect.width(), rect.height(),
|
|
move_by_delta.x, move_by_delta.y);
|
|
g2.dispose();
|
|
}
|
|
|
|
commitBufferRW(rect);
|
|
}
|
|
|
|
private static PixelFormat getPreferredPF()
|
|
{
|
|
GraphicsEnvironment ge =
|
|
GraphicsEnvironment.getLocalGraphicsEnvironment();
|
|
GraphicsDevice gd = ge.getDefaultScreenDevice();
|
|
GraphicsConfiguration gc = gd.getDefaultConfiguration();
|
|
ColorModel cm = gc.getColorModel();
|
|
int depth = ((cm.getPixelSize() > 24) ? 24 : cm.getPixelSize());
|
|
int bpp = (depth > 16 ? 32 : (depth > 8 ? 16 : 8));
|
|
ByteOrder byteOrder = ByteOrder.nativeOrder();
|
|
boolean bigEndian = (byteOrder == ByteOrder.BIG_ENDIAN ? true : false);
|
|
boolean trueColour = true;
|
|
int redShift = cm.getComponentSize()[0] + cm.getComponentSize()[1];
|
|
int greenShift = cm.getComponentSize()[0];
|
|
int blueShift = 0;
|
|
int redMask = ((int)Math.pow(2, cm.getComponentSize()[2]) - 1);
|
|
int greenMask = ((int)Math.pow(2, cm.getComponentSize()[1]) - 1);
|
|
int blueMmask = ((int)Math.pow(2, cm.getComponentSize()[0]) - 1);
|
|
return new PixelFormat(bpp, depth, bigEndian, trueColour,
|
|
redMask, greenMask, blueMmask,
|
|
redShift, greenShift, blueShift);
|
|
}
|
|
|
|
}
|