--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/viewer_swing/java/com/glavsoft/viewer/swing/RendererImpl.java	Tue Jul 03 13:20:49 2012 +0900
@@ -0,0 +1,109 @@
+// Copyright (C) 2010, 2011 GlavSoft LLC.
+// All rights reserved.
+//
+//-------------------------------------------------------------------------
+// This file is part of the TightVNC software.  Please visit our Web site:
+//
+//                       http://www.tightvnc.com/
+//
+// This program 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 program 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 program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//-------------------------------------------------------------------------
+//
+
+package com.glavsoft.viewer.swing;
+
+import com.glavsoft.drawing.Renderer;
+import com.glavsoft.rfb.encoding.PixelFormat;
+import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle;
+import com.glavsoft.transport.Reader;
+
+import java.awt.*;
+import java.awt.image.*;
+import java.util.concurrent.BrokenBarrierException;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+public class RendererImpl extends Renderer implements ImageObserver {
+	private final Image offscreanImage;
+	public RendererImpl(Reader reader, int width, int height, PixelFormat pixelFormat) {
+		if (0 == width) width = 1;
+		if (0 == height) height = 1;
+		init(reader, width, height, pixelFormat);
+		ColorModel colorModel = new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
+		SampleModel sampleModel = colorModel.createCompatibleSampleModel(width,
+				height);
+
+		DataBuffer dataBuffer = new DataBufferInt(pixels, width * height);
+		WritableRaster raster = Raster.createWritableRaster(sampleModel,
+				dataBuffer, null);
+		offscreanImage = new BufferedImage(colorModel, raster, false, null);
+		cursor = new SoftCursorImpl(0, 0, 0, 0);
+	}
+
+	/**
+	 * Draw jpeg image data
+	 *
+	 * @param bytes jpeg image data array
+	 * @param offset start offset at data array
+	 * @param jpegBufferLength jpeg image data array length
+	 * @param rect image location and dimensions
+	 */
+	CyclicBarrier barier = new CyclicBarrier(2);
+	@Override
+	public void drawJpegImage(byte[] bytes, int offset, int jpegBufferLength,
+			FramebufferUpdateRectangle rect) {
+		Image jpegImage = Toolkit.getDefaultToolkit().createImage(bytes,
+				offset, jpegBufferLength);
+		Toolkit.getDefaultToolkit().prepareImage(jpegImage, -1, -1, this);
+		try {
+			barier.await(3, TimeUnit.SECONDS);
+		} catch (InterruptedException e) {
+			// nop
+		} catch (BrokenBarrierException e) {
+			// nop
+		} catch (TimeoutException e) {
+			// nop
+		}
+		Graphics graphics = offscreanImage.getGraphics();
+		graphics.drawImage(jpegImage, rect.x, rect.y, rect.width, rect.height, this);
+	}
+
+	@Override
+	public boolean imageUpdate(Image img, int infoflags, int x, int y,
+			int width, int height) {
+		boolean isReady = (infoflags & (ALLBITS | ABORT)) != 0;
+		if (isReady) {
+			try {
+				barier.await();
+			} catch (InterruptedException e) {
+				// nop
+			} catch (BrokenBarrierException e) {
+				// nop
+			}
+		}
+		return ! isReady;
+	}
+
+	/* Swing specific interface */
+	public Image getOffscreenImage() {
+		return offscreanImage;
+	}
+
+	public SoftCursorImpl getCursor() {
+		return (SoftCursorImpl) cursor;
+	}
+
+}