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/* Copyright (C) 2012 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 com.tigervnc.rfb.*;
import com.tigervnc.rfb.Exception;
public class BIPixelBuffer extends PlatformPixelBuffer implements ImageObserver
{
public BIPixelBuffer(int w, int h, CConn cc_, DesktopWindow desktop_) {
super(w, h, cc_, desktop_);
clip = new Rectangle();
}
public void setPF(PixelFormat pf) {
super.setPF(pf);
createImage(width(), height());
}
public void updateColourMap() {
cm = new IndexColorModel(8, nColours, reds, greens, blues);
createImage(width_, height_);
}
// resize() resizes the image, preserving the image data where possible.
public void resize(int w, int h) {
if (w == width() && h == height())
return;
width_ = w;
height_ = h;
createImage(w, h);
}
private void createImage(int w, int h) {
if (w == 0 || h == 0) return;
WritableRaster wr;
if (cm instanceof IndexColorModel)
wr = ((IndexColorModel)cm).createCompatibleWritableRaster(w, h);
else
wr = ((DirectColorModel)cm).createCompatibleWritableRaster(w, h);
image = new BufferedImage(cm, wr, true, null);
db = wr.getDataBuffer();
}
public void fillRect(int x, int y, int w, int h, int pix) {
Graphics2D graphics = (Graphics2D)image.getGraphics();
switch (format.depth) {
case 24:
graphics.setColor(new Color(pix));
graphics.fillRect(x, y, w, h);
break;
default:
Color color = new Color((0xff << 24) | (cm.getRed(pix) << 16) |
(cm.getGreen(pix) << 8) | (cm.getBlue(pix)));
graphics.setColor(color);
graphics.fillRect(x, y, w, h);
break;
}
graphics.dispose();
}
public void imageRect(int x, int y, int w, int h, Object pix) {
if (pix instanceof Image) {
Image img = (Image)pix;
clip = new Rectangle(x, y, w, h);
synchronized(clip) {
tk.prepareImage(img, -1, -1, this);
try {
clip.wait(1000);
} catch (InterruptedException e) {
throw new Exception("Error decoding JPEG data");
}
}
clip = null;
img.flush();
} else {
if (image.getSampleModel().getTransferType() == DataBuffer.TYPE_BYTE) {
byte[] bytes = new byte[((int[])pix).length];
for (int i = 0; i < bytes.length; i++)
bytes[i] = (byte)((int[])pix)[i];
pix = bytes;
}
image.getSampleModel().setDataElements(x, y, w, h, pix, db);
}
}
public void copyRect(int x, int y, int w, int h, int srcX, int srcY) {
Graphics2D graphics = (Graphics2D)image.getGraphics();
graphics.copyArea(srcX, srcY, w, h, x - srcX, y - srcY);
graphics.dispose();
}
public Image getImage() {
return (Image)image;
}
public boolean imageUpdate(Image img, int infoflags, int x, int y, int w, int h) {
if ((infoflags & (ALLBITS | ABORT)) == 0) {
return true;
} else {
if ((infoflags & ALLBITS) != 0) {
if (clip != null) {
synchronized(clip) {
Graphics2D graphics = (Graphics2D)image.getGraphics();
graphics.drawImage(img, clip.x, clip.y, clip.width, clip.height, null);
graphics.dispose();
clip.notify();
}
}
}
return false;
}
}
BufferedImage image;
DataBuffer db;
Rectangle clip;
static LogWriter vlog = new LogWriter("BIPixelBuffer");
}
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