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- /* 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);
- }
-
- }
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