| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package com.cloud.consoleproxy.rdp; |
| |
| import java.awt.Graphics2D; |
| import java.awt.Image; |
| import java.awt.Rectangle; |
| import java.awt.image.BufferedImage; |
| import java.io.IOException; |
| import java.util.List; |
| |
| import com.cloud.consoleproxy.ConsoleProxyRdpClient; |
| import com.cloud.consoleproxy.util.ImageHelper; |
| import com.cloud.consoleproxy.util.Logger; |
| import com.cloud.consoleproxy.util.TileInfo; |
| import com.cloud.consoleproxy.vnc.FrameBufferCanvas; |
| |
| import common.BufferedImageCanvas; |
| |
| public class RdpBufferedImageCanvas extends BufferedImageCanvas implements FrameBufferCanvas { |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 1L; |
| private static final Logger s_logger = Logger.getLogger(RdpBufferedImageCanvas.class); |
| |
| private final ConsoleProxyRdpClient _rdpClient; |
| |
| public RdpBufferedImageCanvas(ConsoleProxyRdpClient client, int width, int height) { |
| super(width, height); |
| _rdpClient = client; |
| } |
| |
| @Override |
| public Image getFrameBufferScaledImage(int width, int height) { |
| if (offlineImage != null) |
| return offlineImage.getScaledInstance(width, height, Image.SCALE_DEFAULT); |
| return null; |
| } |
| |
| @Override |
| public byte[] getFrameBufferJpeg() { |
| int width = offlineImage.getWidth(); |
| int height = offlineImage.getHeight(); |
| |
| BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR); |
| Graphics2D g = bufferedImage.createGraphics(); |
| synchronized (offlineImage) { |
| g.drawImage(offlineImage, 0, 0, width, height, 0, 0, width, height, null); |
| g.dispose(); |
| } |
| |
| byte[] imgBits = null; |
| try { |
| imgBits = ImageHelper.jpegFromImage(bufferedImage); |
| } catch (IOException e) { |
| s_logger.info("[ignored] read error on image", e); |
| } |
| |
| return imgBits; |
| } |
| |
| @Override |
| public byte[] getTilesMergedJpeg(List<TileInfo> tileList, int tileWidth, int tileHeight) { |
| int width = Math.max(tileWidth, tileWidth * tileList.size()); |
| |
| BufferedImage bufferedImage = new BufferedImage(width, tileHeight, BufferedImage.TYPE_3BYTE_BGR); |
| Graphics2D g = bufferedImage.createGraphics(); |
| |
| synchronized (offlineImage) { |
| int i = 0; |
| for (TileInfo tile : tileList) { |
| Rectangle rc = tile.getTileRect(); |
| g.drawImage(offlineImage, i * tileWidth, 0, i * tileWidth + rc.width, rc.height, rc.x, rc.y, rc.x + rc.width, rc.y + rc.height, null); |
| i++; |
| } |
| } |
| |
| byte[] imgBits = null; |
| try { |
| imgBits = ImageHelper.jpegFromImage(bufferedImage); |
| } catch (IOException e) { |
| s_logger.info("[ignored] read error on image tiles", e); |
| } |
| return imgBits; |
| } |
| |
| @Override |
| public void updateFrameBuffer(int x, int y, int w, int h) { |
| _rdpClient.onFramebufferUpdate(x, y, w, h); |
| } |
| |
| } |