Mercurial > hg > Members > nobuyasu > tightVNCClient
annotate src/myVncClient/VncCanvas.java @ 89:3ea33e683522
modify RFB Protocol Version. From 3.998 to 3.855
| author | e085711 |
|---|---|
| date | Tue, 20 Sep 2011 05:56:11 +0900 |
| parents | 6c43d40abfe6 |
| children | d89e03d99b7f |
| rev | line source |
|---|---|
| 17 | 1 package myVncClient; |
| 0 | 2 // |
| 3 // Copyright (C) 2004 Horizon Wimba. All Rights Reserved. | |
| 4 // Copyright (C) 2001-2003 HorizonLive.com, Inc. All Rights Reserved. | |
| 5 // Copyright (C) 2001,2002 Constantin Kaplinsky. All Rights Reserved. | |
| 6 // Copyright (C) 2000 Tridia Corporation. All Rights Reserved. | |
| 7 // Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved. | |
| 8 // | |
| 9 // This is free software; you can redistribute it and/or modify | |
| 10 // it under the terms of the GNU General Public License as published by | |
| 11 // the Free Software Foundation; either version 2 of the License, or | |
| 12 // (at your option) any later version. | |
| 13 // | |
| 14 // This software is distributed in the hope that it will be useful, | |
| 15 // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 // GNU General Public License for more details. | |
| 18 // | |
| 19 // You should have received a copy of the GNU General Public License | |
| 20 // along with this software; if not, write to the Free Software | |
| 21 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
| 22 // USA. | |
| 23 // | |
| 24 | |
| 25 import java.awt.*; | |
| 26 import java.awt.event.*; | |
| 27 import java.awt.image.*; | |
| 28 import java.io.*; | |
| 29 import java.lang.*; | |
| 30 import java.util.zip.*; | |
| 2 | 31 import java.net.*; |
| 0 | 32 |
| 89 | 33 import test.TestComet; |
| 34 | |
| 17 | 35 |
| 0 | 36 // |
| 37 // VncCanvas is a subclass of Canvas which draws a VNC desktop on it. | |
| 38 // | |
| 39 | |
| 4 | 40 class VncCanvas extends Canvas implements KeyListener, MouseListener, |
| 41 MouseMotionListener { | |
| 0 | 42 |
| 4 | 43 VncViewer viewer; |
| 15 | 44 MyRfbProto rfb; |
| 4 | 45 ColorModel cm8, cm24; |
| 46 Color[] colors; | |
| 47 int bytesPixel; | |
| 0 | 48 |
| 4 | 49 int maxWidth = 0, maxHeight = 0; |
| 50 int scalingFactor; | |
| 51 int scaledWidth, scaledHeight; | |
| 0 | 52 |
| 4 | 53 Image memImage; |
| 54 Graphics memGraphics; | |
| 0 | 55 |
| 4 | 56 Image rawPixelsImage; |
| 19 | 57 BufferedImage bimg; |
| 58 | |
| 4 | 59 MemoryImageSource pixelsSource; |
| 60 byte[] pixels8; | |
| 61 int[] pixels24; | |
| 0 | 62 |
| 4 | 63 // Update statistics. |
| 64 long statStartTime; // time on first framebufferUpdateRequest | |
| 65 int statNumUpdates; // counter for FramebufferUpdate messages | |
| 66 int statNumTotalRects; // rectangles in FramebufferUpdate messages | |
| 67 int statNumPixelRects; // the same, but excluding pseudo-rectangles | |
| 68 int statNumRectsTight; // Tight-encoded rectangles (including JPEG) | |
| 69 int statNumRectsTightJPEG; // JPEG-compressed Tight-encoded rectangles | |
| 70 int statNumRectsZRLE; // ZRLE-encoded rectangles | |
| 71 int statNumRectsHextile; // Hextile-encoded rectangles | |
| 72 int statNumRectsRaw; // Raw-encoded rectangles | |
| 73 int statNumRectsCopy; // CopyRect rectangles | |
| 74 int statNumBytesEncoded; // number of bytes in updates, as received | |
| 75 int statNumBytesDecoded; // number of bytes, as if Raw encoding was used | |
| 0 | 76 |
| 4 | 77 // ZRLE encoder's data. |
| 78 byte[] zrleBuf; | |
| 79 int zrleBufLen = 0; | |
| 80 byte[] zrleTilePixels8; | |
| 81 int[] zrleTilePixels24; | |
| 82 ZlibInStream zrleInStream; | |
| 83 boolean zrleRecWarningShown = false; | |
| 0 | 84 |
| 4 | 85 // Zlib encoder's data. |
| 86 byte[] zlibBuf; | |
| 87 int zlibBufLen = 0; | |
| 88 Inflater zlibInflater; | |
| 0 | 89 |
| 4 | 90 // Tight encoder's data. |
| 91 final static int tightZlibBufferSize = 512; | |
| 92 Inflater[] tightInflaters; | |
| 0 | 93 |
| 4 | 94 // Since JPEG images are loaded asynchronously, we have to remember |
| 95 // their position in the framebuffer. Also, this jpegRect object is | |
| 96 // used for synchronization between the rfbThread and a JVM's thread | |
| 97 // which decodes and loads JPEG images. | |
| 98 Rectangle jpegRect; | |
| 0 | 99 |
| 4 | 100 // True if we process keyboard and mouse events. |
| 101 boolean inputEnabled; | |
| 0 | 102 |
| 4 | 103 // |
| 104 // The constructors. | |
| 105 // | |
| 0 | 106 |
| 4 | 107 public VncCanvas(VncViewer v, int maxWidth_, int maxHeight_) |
| 108 throws IOException { | |
| 0 | 109 |
| 4 | 110 viewer = v; |
| 111 maxWidth = maxWidth_; | |
| 112 maxHeight = maxHeight_; | |
| 0 | 113 |
| 4 | 114 rfb = viewer.rfb; |
| 115 scalingFactor = viewer.options.scalingFactor; | |
| 116 | |
| 117 tightInflaters = new Inflater[4]; | |
| 118 | |
| 119 cm8 = new DirectColorModel(8, 7, (7 << 3), (3 << 6)); | |
| 120 cm24 = new DirectColorModel(24, 0xFF0000, 0x00FF00, 0x0000FF); | |
| 0 | 121 |
| 4 | 122 colors = new Color[256]; |
| 123 for (int i = 0; i < 256; i++) | |
| 124 colors[i] = new Color(cm8.getRGB(i)); | |
| 0 | 125 |
| 4 | 126 setPixelFormat(); |
| 127 | |
| 128 inputEnabled = false; | |
| 129 if (!viewer.options.viewOnly) | |
| 130 enableInput(true); | |
| 0 | 131 |
| 4 | 132 // Keyboard listener is enabled even in view-only mode, to catch |
| 133 // 'r' or 'R' key presses used to request screen update. | |
| 134 addKeyListener(this); | |
| 135 } | |
| 136 | |
| 137 public VncCanvas(VncViewer v) throws IOException { | |
| 138 this(v, 0, 0); | |
| 139 } | |
| 0 | 140 |
| 4 | 141 // |
| 142 // Callback methods to determine geometry of our Component. | |
| 143 // | |
| 0 | 144 |
| 4 | 145 public Dimension getPreferredSize() { |
| 146 return new Dimension(scaledWidth, scaledHeight); | |
| 147 } | |
| 148 | |
| 149 public Dimension getMinimumSize() { | |
| 150 return new Dimension(scaledWidth, scaledHeight); | |
| 0 | 151 } |
| 4 | 152 |
| 153 public Dimension getMaximumSize() { | |
| 154 return new Dimension(scaledWidth, scaledHeight); | |
| 155 } | |
| 0 | 156 |
| 4 | 157 // |
| 158 // All painting is performed here. | |
| 159 // | |
| 160 | |
| 161 public void update(Graphics g) { | |
| 162 paint(g); | |
| 163 } | |
| 0 | 164 |
| 4 | 165 public void paint(Graphics g) { |
| 166 synchronized (memImage) { | |
| 167 if (rfb.framebufferWidth == scaledWidth) { | |
| 168 g.drawImage(memImage, 0, 0, null); | |
| 169 } else { | |
| 170 paintScaledFrameBuffer(g); | |
| 171 } | |
| 172 } | |
| 173 if (showSoftCursor) { | |
| 174 int x0 = cursorX - hotX, y0 = cursorY - hotY; | |
| 175 Rectangle r = new Rectangle(x0, y0, cursorWidth, cursorHeight); | |
| 176 if (r.intersects(g.getClipBounds())) { | |
| 177 g.drawImage(softCursor, x0, y0, null); | |
| 178 } | |
| 179 } | |
| 180 } | |
| 0 | 181 |
| 4 | 182 public void paintScaledFrameBuffer(Graphics g) { |
| 183 g.drawImage(memImage, 0, 0, scaledWidth, scaledHeight, null); | |
| 184 } | |
| 0 | 185 |
| 4 | 186 // |
| 187 // Override the ImageObserver interface method to handle drawing of | |
| 188 // JPEG-encoded data. | |
| 189 // | |
| 0 | 190 |
| 4 | 191 public boolean imageUpdate(Image img, int infoflags, int x, int y, |
| 192 int width, int height) { | |
| 193 if ((infoflags & (ALLBITS | ABORT)) == 0) { | |
| 194 return true; // We need more image data. | |
| 195 } else { | |
| 196 // If the whole image is available, draw it now. | |
| 197 if ((infoflags & ALLBITS) != 0) { | |
| 198 if (jpegRect != null) { | |
| 199 synchronized (jpegRect) { | |
| 200 memGraphics | |
| 201 .drawImage(img, jpegRect.x, jpegRect.y, null); | |
| 202 scheduleRepaint(jpegRect.x, jpegRect.y, jpegRect.width, | |
| 203 jpegRect.height); | |
| 204 jpegRect.notify(); | |
| 205 } | |
| 206 } | |
| 207 } | |
| 208 return false; // All image data was processed. | |
| 209 } | |
| 210 } | |
| 0 | 211 |
| 4 | 212 // |
| 213 // Start/stop receiving mouse events. Keyboard events are received | |
| 214 // even in view-only mode, because we want to map the 'r' key to the | |
| 215 // screen refreshing function. | |
| 216 // | |
| 0 | 217 |
| 4 | 218 public synchronized void enableInput(boolean enable) { |
| 219 if (enable && !inputEnabled) { | |
| 220 inputEnabled = true; | |
| 221 addMouseListener(this); | |
| 222 addMouseMotionListener(this); | |
| 223 if (viewer.showControls) { | |
| 224 viewer.buttonPanel.enableRemoteAccessControls(true); | |
| 225 } | |
| 226 createSoftCursor(); // scaled cursor | |
| 227 } else if (!enable && inputEnabled) { | |
| 228 inputEnabled = false; | |
| 229 removeMouseListener(this); | |
| 230 removeMouseMotionListener(this); | |
| 231 if (viewer.showControls) { | |
| 232 viewer.buttonPanel.enableRemoteAccessControls(false); | |
| 233 } | |
| 234 createSoftCursor(); // non-scaled cursor | |
| 235 } | |
| 236 } | |
| 0 | 237 |
| 4 | 238 public void setPixelFormat() throws IOException { |
| 239 if (viewer.options.eightBitColors) { | |
| 240 rfb.writeSetPixelFormat(8, 8, false, true, 7, 7, 3, 0, 3, 6); | |
| 241 bytesPixel = 1; | |
| 242 } else { | |
| 243 rfb.writeSetPixelFormat(32, 24, false, true, 255, 255, 255, 16, 8, | |
| 244 0); | |
| 245 bytesPixel = 4; | |
| 246 } | |
| 247 updateFramebufferSize(); | |
| 248 } | |
| 0 | 249 |
| 4 | 250 void updateFramebufferSize() { |
| 0 | 251 |
| 4 | 252 // Useful shortcuts. |
| 253 int fbWidth = rfb.framebufferWidth; | |
| 254 int fbHeight = rfb.framebufferHeight; | |
| 0 | 255 |
| 4 | 256 // Calculate scaling factor for auto scaling. |
| 257 if (maxWidth > 0 && maxHeight > 0) { | |
| 258 int f1 = maxWidth * 100 / fbWidth; | |
| 259 int f2 = maxHeight * 100 / fbHeight; | |
| 260 scalingFactor = Math.min(f1, f2); | |
| 261 if (scalingFactor > 100) | |
| 262 scalingFactor = 100; | |
| 263 System.out.println("Scaling desktop at " + scalingFactor + "%"); | |
| 264 } | |
| 0 | 265 |
| 4 | 266 // Update scaled framebuffer geometry. |
| 267 scaledWidth = (fbWidth * scalingFactor + 50) / 100; | |
| 268 scaledHeight = (fbHeight * scalingFactor + 50) / 100; | |
| 0 | 269 |
| 4 | 270 // Create new off-screen image either if it does not exist, or if |
| 271 // its geometry should be changed. It's not necessary to replace | |
| 272 // existing image if only pixel format should be changed. | |
| 273 if (memImage == null) { | |
| 274 memImage = viewer.vncContainer.createImage(fbWidth, fbHeight); | |
| 275 memGraphics = memImage.getGraphics(); | |
| 276 } else if (memImage.getWidth(null) != fbWidth | |
| 277 || memImage.getHeight(null) != fbHeight) { | |
| 278 synchronized (memImage) { | |
| 279 memImage = viewer.vncContainer.createImage(fbWidth, fbHeight); | |
| 280 memGraphics = memImage.getGraphics(); | |
| 281 } | |
| 282 } | |
| 18 | 283 |
| 0 | 284 |
| 4 | 285 // Images with raw pixels should be re-allocated on every change |
| 286 // of geometry or pixel format. | |
| 287 if (bytesPixel == 1) { | |
| 0 | 288 |
| 4 | 289 pixels24 = null; |
| 290 pixels8 = new byte[fbWidth * fbHeight]; | |
| 0 | 291 |
| 4 | 292 pixelsSource = new MemoryImageSource(fbWidth, fbHeight, cm8, |
| 293 pixels8, 0, fbWidth); | |
| 0 | 294 |
| 4 | 295 zrleTilePixels24 = null; |
| 296 zrleTilePixels8 = new byte[64 * 64]; | |
| 0 | 297 |
| 4 | 298 } else { |
| 0 | 299 |
| 4 | 300 pixels8 = null; |
| 301 pixels24 = new int[fbWidth * fbHeight]; | |
| 0 | 302 |
| 4 | 303 pixelsSource = new MemoryImageSource(fbWidth, fbHeight, cm24, |
| 304 pixels24, 0, fbWidth); | |
| 0 | 305 |
| 4 | 306 zrleTilePixels8 = null; |
| 307 zrleTilePixels24 = new int[64 * 64]; | |
| 0 | 308 |
| 4 | 309 } |
| 310 pixelsSource.setAnimated(true); | |
| 311 rawPixelsImage = Toolkit.getDefaultToolkit().createImage(pixelsSource); | |
| 0 | 312 |
| 4 | 313 // Update the size of desktop containers. |
| 314 if (viewer.inSeparateFrame) { | |
| 315 if (viewer.desktopScrollPane != null) | |
| 316 resizeDesktopFrame(); | |
| 317 } else { | |
| 318 setSize(scaledWidth, scaledHeight); | |
| 319 } | |
| 320 viewer.moveFocusToDesktop(); | |
| 321 } | |
| 0 | 322 |
| 4 | 323 void resizeDesktopFrame() { |
| 324 setSize(scaledWidth, scaledHeight); | |
| 0 | 325 |
| 4 | 326 // FIXME: Find a better way to determine correct size of a |
| 327 // ScrollPane. -- const | |
| 328 Insets insets = viewer.desktopScrollPane.getInsets(); | |
| 329 viewer.desktopScrollPane.setSize( | |
| 330 scaledWidth + 2 * Math.min(insets.left, insets.right), | |
| 331 scaledHeight + 2 * Math.min(insets.top, insets.bottom)); | |
| 0 | 332 |
| 4 | 333 viewer.vncFrame.pack(); |
| 334 | |
| 335 // Try to limit the frame size to the screen size. | |
| 0 | 336 |
| 4 | 337 Dimension screenSize = viewer.vncFrame.getToolkit().getScreenSize(); |
| 338 Dimension frameSize = viewer.vncFrame.getSize(); | |
| 339 Dimension newSize = frameSize; | |
| 340 | |
| 341 // Reduce Screen Size by 30 pixels in each direction; | |
| 342 // This is a (poor) attempt to account for | |
| 343 // 1) Menu bar on Macintosh (should really also account for | |
| 344 // Dock on OSX). Usually 22px on top of screen. | |
| 345 // 2) Taxkbar on Windows (usually about 28 px on bottom) | |
| 346 // 3) Other obstructions. | |
| 347 | |
| 348 screenSize.height -= 30; | |
| 349 screenSize.width -= 30; | |
| 0 | 350 |
| 4 | 351 boolean needToResizeFrame = false; |
| 352 if (frameSize.height > screenSize.height) { | |
| 353 newSize.height = screenSize.height; | |
| 354 needToResizeFrame = true; | |
| 355 } | |
| 356 if (frameSize.width > screenSize.width) { | |
| 357 newSize.width = screenSize.width; | |
| 358 needToResizeFrame = true; | |
| 359 } | |
| 360 if (needToResizeFrame) { | |
| 361 viewer.vncFrame.setSize(newSize); | |
| 362 } | |
| 0 | 363 |
| 4 | 364 viewer.desktopScrollPane.doLayout(); |
| 0 | 365 } |
| 366 | |
| 4 | 367 // |
| 368 // processNormalProtocol() - executed by the rfbThread to deal with the | |
| 369 // RFB socket. | |
| 370 // | |
| 371 | |
| 372 public void processNormalProtocol() throws Exception { | |
| 373 | |
| 374 // Start/stop session recording if necessary. | |
| 375 viewer.checkRecordingStatus(); | |
| 82 | 376 /* |
| 4 | 377 rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth, |
| 378 rfb.framebufferHeight, false); | |
| 82 | 379 */ |
| 4 | 380 resetStats(); |
| 381 boolean statsRestarted = false; | |
| 382 | |
| 383 // | |
| 384 // main dispatch loop | |
| 385 // | |
| 386 | |
| 387 long count = 0; | |
| 15 | 388 |
| 89 | 389 new Thread(){public void run() {TestComet.main(null);}}.start(); |
| 390 | |
| 26 | 391 |
| 4 | 392 while (true) { |
| 19 | 393 // System.out.println("\ncount=" + count); |
| 15 | 394 count++; |
| 395 | |
|
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396 // rfb.printFramebufferUpdate(); |
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397 |
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398 /* |
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399 * read Data from parents and send Data to Client. |
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400 * |
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401 */ |
| 76 | 402 rfb.sendDataToClient(); |
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403 |
| 15 | 404 int bufSize = (int)rfb.getNumBytesRead(); |
| 405 | |
| 406 | |
| 4 | 407 // Read message type from the server. |
| 408 int msgType = rfb.readServerMessageType(); | |
| 409 | |
| 410 // Process the message depending on its type. | |
| 411 switch (msgType) { | |
| 412 case RfbProto.FramebufferUpdate: | |
| 413 | |
| 414 if (statNumUpdates == viewer.debugStatsExcludeUpdates | |
| 415 && !statsRestarted) { | |
| 416 resetStats(); | |
| 417 statsRestarted = true; | |
| 418 } else if (statNumUpdates == viewer.debugStatsMeasureUpdates | |
| 419 && statsRestarted) { | |
| 420 viewer.disconnect(); | |
| 421 } | |
| 422 | |
| 423 rfb.readFramebufferUpdate(); | |
| 424 statNumUpdates++; | |
| 425 | |
| 426 boolean cursorPosReceived = false; | |
| 427 | |
| 428 for (int i = 0; i < rfb.updateNRects; i++) { | |
| 429 | |
| 430 rfb.readFramebufferUpdateRectHdr(); | |
| 60 | 431 |
| 4 | 432 statNumTotalRects++; |
| 433 int rx = rfb.updateRectX, ry = rfb.updateRectY; | |
| 434 int rw = rfb.updateRectW, rh = rfb.updateRectH; | |
| 435 | |
| 436 if (rfb.updateRectEncoding == rfb.EncodingLastRect) | |
| 437 break; | |
| 0 | 438 |
| 4 | 439 if (rfb.updateRectEncoding == rfb.EncodingNewFBSize) { |
| 440 rfb.setFramebufferSize(rw, rh); | |
| 441 updateFramebufferSize(); | |
| 442 break; | |
| 443 } | |
| 444 | |
| 445 if (rfb.updateRectEncoding == rfb.EncodingXCursor | |
| 446 || rfb.updateRectEncoding == rfb.EncodingRichCursor) { | |
| 447 handleCursorShapeUpdate(rfb.updateRectEncoding, rx, ry, | |
| 448 rw, rh); | |
| 449 continue; | |
| 450 } | |
| 451 | |
| 452 if (rfb.updateRectEncoding == rfb.EncodingPointerPos) { | |
| 453 softCursorMove(rx, ry); | |
| 454 cursorPosReceived = true; | |
| 455 continue; | |
| 456 } | |
| 457 | |
| 458 long numBytesReadBefore = rfb.getNumBytesRead(); | |
| 459 | |
| 460 rfb.startTiming(); | |
| 461 | |
| 462 switch (rfb.updateRectEncoding) { | |
| 463 case RfbProto.EncodingRaw: | |
| 464 statNumRectsRaw++; | |
| 465 handleRawRect(rx, ry, rw, rh); | |
| 466 break; | |
| 467 case RfbProto.EncodingCopyRect: | |
| 468 statNumRectsCopy++; | |
| 469 handleCopyRect(rx, ry, rw, rh); | |
| 470 break; | |
| 471 case RfbProto.EncodingRRE: | |
| 472 handleRRERect(rx, ry, rw, rh); | |
| 473 break; | |
| 474 case RfbProto.EncodingCoRRE: | |
| 475 handleCoRRERect(rx, ry, rw, rh); | |
| 476 break; | |
| 477 case RfbProto.EncodingHextile: | |
| 478 statNumRectsHextile++; | |
| 479 handleHextileRect(rx, ry, rw, rh); | |
| 480 break; | |
| 481 case RfbProto.EncodingZRLE: | |
| 482 statNumRectsZRLE++; | |
| 483 handleZRLERect(rx, ry, rw, rh); | |
| 484 break; | |
| 70 | 485 case RfbProto.EncodingZRLEE: |
| 486 statNumRectsZRLE++; | |
| 487 handleZRLERect(rx, ry, rw, rh); | |
| 488 break; | |
| 4 | 489 case RfbProto.EncodingZlib: |
| 490 handleZlibRect(rx, ry, rw, rh); | |
| 491 break; | |
| 492 case RfbProto.EncodingTight: | |
| 493 statNumRectsTight++; | |
| 494 handleTightRect(rx, ry, rw, rh); | |
| 495 break; | |
| 496 default: | |
| 497 throw new Exception("Unknown RFB rectangle encoding " | |
| 498 + rfb.updateRectEncoding); | |
| 499 } | |
| 5 | 500 |
| 4 | 501 rfb.stopTiming(); |
| 502 | |
| 71 | 503 long kbitsPerSecond = rfb.kbitsPerSecond(); |
| 504 // System.out.println("kbitsPerSecond = " + kbitsPerSecond); | |
| 505 | |
| 4 | 506 statNumPixelRects++; |
| 507 statNumBytesDecoded += rw * rh * bytesPixel; | |
| 508 statNumBytesEncoded += (int) (rfb.getNumBytesRead() - numBytesReadBefore); | |
| 509 } | |
| 510 | |
| 511 boolean fullUpdateNeeded = false; | |
| 512 | |
| 513 // Start/stop session recording if necessary. Request full | |
| 514 // update if a new session file was opened. | |
| 515 if (viewer.checkRecordingStatus()) | |
| 516 fullUpdateNeeded = true; | |
| 0 | 517 |
| 4 | 518 // Defer framebuffer update request if necessary. But wake up |
| 519 // immediately on keyboard or mouse event. Also, don't sleep | |
| 520 // if there is some data to receive, or if the last update | |
| 521 // included a PointerPos message. | |
| 522 if (viewer.deferUpdateRequests > 0 && rfb.available() == 0 | |
| 523 && !cursorPosReceived) { | |
| 524 synchronized (rfb) { | |
| 525 try { | |
| 526 rfb.wait(viewer.deferUpdateRequests); | |
| 527 } catch (InterruptedException e) { | |
| 528 } | |
| 529 } | |
| 530 } | |
| 531 | |
| 532 viewer.autoSelectEncodings(); | |
| 533 | |
| 534 // Before requesting framebuffer update, check if the pixel | |
| 535 // format should be changed. | |
| 536 if (viewer.options.eightBitColors != (bytesPixel == 1)) { | |
| 537 // Pixel format should be changed. | |
| 538 setPixelFormat(); | |
| 539 fullUpdateNeeded = true; | |
| 540 } | |
| 541 | |
| 542 // Request framebuffer update if needed. | |
| 543 int w = rfb.framebufferWidth; | |
| 544 int h = rfb.framebufferHeight; | |
| 82 | 545 // rfb.writeFramebufferUpdateRequest(0, 0, w, h, !fullUpdateNeeded); |
| 4 | 546 |
| 547 break; | |
| 548 | |
| 549 case RfbProto.SetColourMapEntries: | |
| 550 throw new Exception("Can't handle SetColourMapEntries message"); | |
| 551 | |
| 552 case RfbProto.Bell: | |
| 553 Toolkit.getDefaultToolkit().beep(); | |
| 554 break; | |
| 555 | |
| 556 case RfbProto.ServerCutText: | |
| 557 String s = rfb.readServerCutText(); | |
| 558 viewer.clipboard.setCutText(s); | |
| 559 break; | |
| 560 default: | |
| 561 throw new Exception("Unknown RFB message type " + msgType); | |
| 562 } | |
| 19 | 563 |
| 15 | 564 bufSize = (int)rfb.getNumBytesRead() - bufSize; |
| 19 | 565 // System.out.println("bufSize="+bufSize); |
| 26 | 566 // rfb.bufResetSend(bufSize); |
| 19 | 567 |
| 25 | 568 |
| 19 | 569 if(rfb.createBimgFlag){ |
| 21 | 570 // bimg = createBufferedImage(rawPixelsImage); |
| 571 bimg = createBufferedImage(memImage); | |
| 19 | 572 //bimg(BufferedImage) -> rfb.pngBytes(byte[]) |
| 573 rfb.createPngBytes(bimg); | |
| 574 rfb.sendPngImage(); | |
| 575 rfb.createBimgFlag = false; | |
| 576 } | |
| 4 | 577 } |
| 578 } | |
| 579 | |
| 580 // | |
| 581 // Handle a raw rectangle. The second form with paint==false is used | |
| 582 // by the Hextile decoder for raw-encoded tiles. | |
| 583 // | |
| 584 | |
| 585 void handleRawRect(int x, int y, int w, int h) throws IOException { | |
| 586 handleRawRect(x, y, w, h, true); | |
| 587 } | |
| 588 | |
| 589 void handleRawRect(int x, int y, int w, int h, boolean paint) | |
| 590 throws IOException { | |
| 591 | |
| 592 if (bytesPixel == 1) { | |
| 593 for (int dy = y; dy < y + h; dy++) { | |
| 594 rfb.readFully(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 595 if (rfb.rec != null) { | |
| 596 rfb.rec.write(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 597 } | |
| 598 } | |
| 599 } else { | |
| 600 byte[] buf = new byte[w * 4]; | |
| 601 int i, offset; | |
| 602 for (int dy = y; dy < y + h; dy++) { | |
| 603 rfb.readFully(buf); | |
| 604 if (rfb.rec != null) { | |
| 605 rfb.rec.write(buf); | |
| 606 } | |
| 607 offset = dy * rfb.framebufferWidth + x; | |
| 608 for (i = 0; i < w; i++) { | |
| 609 pixels24[offset + i] = (buf[i * 4 + 2] & 0xFF) << 16 | |
| 610 | (buf[i * 4 + 1] & 0xFF) << 8 | |
| 611 | (buf[i * 4] & 0xFF); | |
| 612 } | |
| 613 } | |
| 614 } | |
| 615 | |
| 616 handleUpdatedPixels(x, y, w, h); | |
| 617 if (paint) | |
| 618 scheduleRepaint(x, y, w, h); | |
| 619 } | |
| 620 | |
| 621 // | |
| 622 // Handle a CopyRect rectangle. | |
| 623 // | |
| 624 | |
| 625 void handleCopyRect(int x, int y, int w, int h) throws IOException { | |
| 626 | |
| 627 rfb.readCopyRect(); | |
| 628 memGraphics.copyArea(rfb.copyRectSrcX, rfb.copyRectSrcY, w, h, x | |
| 629 - rfb.copyRectSrcX, y - rfb.copyRectSrcY); | |
| 630 | |
| 631 scheduleRepaint(x, y, w, h); | |
| 632 } | |
| 633 | |
| 634 // | |
| 635 // Handle an RRE-encoded rectangle. | |
| 636 // | |
| 637 | |
| 638 void handleRRERect(int x, int y, int w, int h) throws IOException { | |
| 639 | |
| 640 int nSubrects = rfb.readU32(); | |
| 641 | |
| 642 byte[] bg_buf = new byte[bytesPixel]; | |
| 643 rfb.readFully(bg_buf); | |
| 644 Color pixel; | |
| 645 if (bytesPixel == 1) { | |
| 646 pixel = colors[bg_buf[0] & 0xFF]; | |
| 647 } else { | |
| 648 pixel = new Color(bg_buf[2] & 0xFF, bg_buf[1] & 0xFF, | |
| 649 bg_buf[0] & 0xFF); | |
| 650 } | |
| 651 memGraphics.setColor(pixel); | |
| 652 memGraphics.fillRect(x, y, w, h); | |
| 653 | |
| 654 byte[] buf = new byte[nSubrects * (bytesPixel + 8)]; | |
| 655 rfb.readFully(buf); | |
| 656 DataInputStream ds = new DataInputStream(new ByteArrayInputStream(buf)); | |
| 657 | |
| 658 if (rfb.rec != null) { | |
| 659 rfb.rec.writeIntBE(nSubrects); | |
| 660 rfb.rec.write(bg_buf); | |
| 661 rfb.rec.write(buf); | |
| 662 } | |
| 663 | |
| 664 int sx, sy, sw, sh; | |
| 665 | |
| 666 for (int j = 0; j < nSubrects; j++) { | |
| 667 if (bytesPixel == 1) { | |
| 668 pixel = colors[ds.readUnsignedByte()]; | |
| 669 } else { | |
| 670 ds.skip(4); | |
| 671 pixel = new Color(buf[j * 12 + 2] & 0xFF, | |
| 672 buf[j * 12 + 1] & 0xFF, buf[j * 12] & 0xFF); | |
| 673 } | |
| 674 sx = x + ds.readUnsignedShort(); | |
| 675 sy = y + ds.readUnsignedShort(); | |
| 676 sw = ds.readUnsignedShort(); | |
| 677 sh = ds.readUnsignedShort(); | |
| 678 | |
| 679 memGraphics.setColor(pixel); | |
| 680 memGraphics.fillRect(sx, sy, sw, sh); | |
| 681 } | |
| 682 | |
| 683 scheduleRepaint(x, y, w, h); | |
| 0 | 684 } |
| 685 | |
| 4 | 686 // |
| 687 // Handle a CoRRE-encoded rectangle. | |
| 688 // | |
| 689 | |
| 690 void handleCoRRERect(int x, int y, int w, int h) throws IOException { | |
| 691 int nSubrects = rfb.readU32(); | |
| 692 | |
| 693 byte[] bg_buf = new byte[bytesPixel]; | |
| 694 rfb.readFully(bg_buf); | |
| 695 Color pixel; | |
| 696 if (bytesPixel == 1) { | |
| 697 pixel = colors[bg_buf[0] & 0xFF]; | |
| 698 } else { | |
| 699 pixel = new Color(bg_buf[2] & 0xFF, bg_buf[1] & 0xFF, | |
| 700 bg_buf[0] & 0xFF); | |
| 701 } | |
| 702 memGraphics.setColor(pixel); | |
| 703 memGraphics.fillRect(x, y, w, h); | |
| 704 | |
| 705 byte[] buf = new byte[nSubrects * (bytesPixel + 4)]; | |
| 706 rfb.readFully(buf); | |
| 707 | |
| 708 if (rfb.rec != null) { | |
| 709 rfb.rec.writeIntBE(nSubrects); | |
| 710 rfb.rec.write(bg_buf); | |
| 711 rfb.rec.write(buf); | |
| 712 } | |
| 713 | |
| 714 int sx, sy, sw, sh; | |
| 715 int i = 0; | |
| 716 | |
| 717 for (int j = 0; j < nSubrects; j++) { | |
| 718 if (bytesPixel == 1) { | |
| 719 pixel = colors[buf[i++] & 0xFF]; | |
| 720 } else { | |
| 721 pixel = new Color(buf[i + 2] & 0xFF, buf[i + 1] & 0xFF, | |
| 722 buf[i] & 0xFF); | |
| 723 i += 4; | |
| 724 } | |
| 725 sx = x + (buf[i++] & 0xFF); | |
| 726 sy = y + (buf[i++] & 0xFF); | |
| 727 sw = buf[i++] & 0xFF; | |
| 728 sh = buf[i++] & 0xFF; | |
| 729 | |
| 730 memGraphics.setColor(pixel); | |
| 731 memGraphics.fillRect(sx, sy, sw, sh); | |
| 732 } | |
| 733 | |
| 734 scheduleRepaint(x, y, w, h); | |
| 735 } | |
| 736 | |
| 737 // | |
| 738 // Handle a Hextile-encoded rectangle. | |
| 739 // | |
| 740 | |
| 741 // These colors should be kept between handleHextileSubrect() calls. | |
| 742 private Color hextile_bg, hextile_fg; | |
| 743 | |
| 744 void handleHextileRect(int x, int y, int w, int h) throws IOException { | |
| 745 | |
| 746 hextile_bg = new Color(0); | |
| 747 hextile_fg = new Color(0); | |
| 748 | |
| 749 for (int ty = y; ty < y + h; ty += 16) { | |
| 750 int th = 16; | |
| 751 if (y + h - ty < 16) | |
| 752 th = y + h - ty; | |
| 753 | |
| 754 for (int tx = x; tx < x + w; tx += 16) { | |
| 755 int tw = 16; | |
| 756 if (x + w - tx < 16) | |
| 757 tw = x + w - tx; | |
| 758 | |
| 759 handleHextileSubrect(tx, ty, tw, th); | |
| 760 } | |
| 761 | |
| 762 // Finished with a row of tiles, now let's show it. | |
| 763 scheduleRepaint(x, y, w, h); | |
| 764 } | |
| 765 } | |
| 766 | |
| 767 // | |
| 768 // Handle one tile in the Hextile-encoded data. | |
| 769 // | |
| 770 | |
| 771 void handleHextileSubrect(int tx, int ty, int tw, int th) | |
| 772 throws IOException { | |
| 773 | |
| 774 int subencoding = rfb.readU8(); | |
| 775 if (rfb.rec != null) { | |
| 776 rfb.rec.writeByte(subencoding); | |
| 777 } | |
| 778 | |
| 779 // Is it a raw-encoded sub-rectangle? | |
| 780 if ((subencoding & rfb.HextileRaw) != 0) { | |
| 781 handleRawRect(tx, ty, tw, th, false); | |
| 782 return; | |
| 783 } | |
| 784 | |
| 785 // Read and draw the background if specified. | |
| 786 byte[] cbuf = new byte[bytesPixel]; | |
| 787 if ((subencoding & rfb.HextileBackgroundSpecified) != 0) { | |
| 788 rfb.readFully(cbuf); | |
| 789 if (bytesPixel == 1) { | |
| 790 hextile_bg = colors[cbuf[0] & 0xFF]; | |
| 791 } else { | |
| 792 hextile_bg = new Color(cbuf[2] & 0xFF, cbuf[1] & 0xFF, | |
| 793 cbuf[0] & 0xFF); | |
| 794 } | |
| 795 if (rfb.rec != null) { | |
| 796 rfb.rec.write(cbuf); | |
| 797 } | |
| 798 } | |
| 799 memGraphics.setColor(hextile_bg); | |
| 800 memGraphics.fillRect(tx, ty, tw, th); | |
| 801 | |
| 802 // Read the foreground color if specified. | |
| 803 if ((subencoding & rfb.HextileForegroundSpecified) != 0) { | |
| 804 rfb.readFully(cbuf); | |
| 805 if (bytesPixel == 1) { | |
| 806 hextile_fg = colors[cbuf[0] & 0xFF]; | |
| 807 } else { | |
| 808 hextile_fg = new Color(cbuf[2] & 0xFF, cbuf[1] & 0xFF, | |
| 809 cbuf[0] & 0xFF); | |
| 810 } | |
| 811 if (rfb.rec != null) { | |
| 812 rfb.rec.write(cbuf); | |
| 813 } | |
| 814 } | |
| 815 | |
| 816 // Done with this tile if there is no sub-rectangles. | |
| 817 if ((subencoding & rfb.HextileAnySubrects) == 0) | |
| 818 return; | |
| 819 | |
| 820 int nSubrects = rfb.readU8(); | |
| 821 int bufsize = nSubrects * 2; | |
| 822 if ((subencoding & rfb.HextileSubrectsColoured) != 0) { | |
| 823 bufsize += nSubrects * bytesPixel; | |
| 824 } | |
| 825 byte[] buf = new byte[bufsize]; | |
| 826 rfb.readFully(buf); | |
| 827 if (rfb.rec != null) { | |
| 828 rfb.rec.writeByte(nSubrects); | |
| 829 rfb.rec.write(buf); | |
| 830 } | |
| 0 | 831 |
| 4 | 832 int b1, b2, sx, sy, sw, sh; |
| 833 int i = 0; | |
| 834 | |
| 835 if ((subencoding & rfb.HextileSubrectsColoured) == 0) { | |
| 836 | |
| 837 // Sub-rectangles are all of the same color. | |
| 838 memGraphics.setColor(hextile_fg); | |
| 839 for (int j = 0; j < nSubrects; j++) { | |
| 840 b1 = buf[i++] & 0xFF; | |
| 841 b2 = buf[i++] & 0xFF; | |
| 842 sx = tx + (b1 >> 4); | |
| 843 sy = ty + (b1 & 0xf); | |
| 844 sw = (b2 >> 4) + 1; | |
| 845 sh = (b2 & 0xf) + 1; | |
| 846 memGraphics.fillRect(sx, sy, sw, sh); | |
| 847 } | |
| 848 } else if (bytesPixel == 1) { | |
| 849 | |
| 850 // BGR233 (8-bit color) version for colored sub-rectangles. | |
| 851 for (int j = 0; j < nSubrects; j++) { | |
| 852 hextile_fg = colors[buf[i++] & 0xFF]; | |
| 853 b1 = buf[i++] & 0xFF; | |
| 854 b2 = buf[i++] & 0xFF; | |
| 855 sx = tx + (b1 >> 4); | |
| 856 sy = ty + (b1 & 0xf); | |
| 857 sw = (b2 >> 4) + 1; | |
| 858 sh = (b2 & 0xf) + 1; | |
| 859 memGraphics.setColor(hextile_fg); | |
| 860 memGraphics.fillRect(sx, sy, sw, sh); | |
| 861 } | |
| 862 | |
| 863 } else { | |
| 864 | |
| 865 // Full-color (24-bit) version for colored sub-rectangles. | |
| 866 for (int j = 0; j < nSubrects; j++) { | |
| 867 hextile_fg = new Color(buf[i + 2] & 0xFF, buf[i + 1] & 0xFF, | |
| 868 buf[i] & 0xFF); | |
| 869 i += 4; | |
| 870 b1 = buf[i++] & 0xFF; | |
| 871 b2 = buf[i++] & 0xFF; | |
| 872 sx = tx + (b1 >> 4); | |
| 873 sy = ty + (b1 & 0xf); | |
| 874 sw = (b2 >> 4) + 1; | |
| 875 sh = (b2 & 0xf) + 1; | |
| 876 memGraphics.setColor(hextile_fg); | |
| 877 memGraphics.fillRect(sx, sy, sw, sh); | |
| 878 } | |
| 879 | |
| 880 } | |
| 881 } | |
| 882 | |
| 883 // | |
| 884 // Handle a ZRLE-encoded rectangle. | |
| 885 // | |
| 886 // FIXME: Currently, session recording is not fully supported for ZRLE. | |
| 887 // | |
| 888 | |
| 889 void handleZRLERect(int x, int y, int w, int h) throws Exception { | |
| 70 | 890 if (rfb.updateRectEncoding==RfbProto.EncodingZRLEE) zrleInStream = null; |
| 891 | |
| 4 | 892 if (zrleInStream == null) |
| 893 zrleInStream = new ZlibInStream(); | |
| 894 | |
| 895 int nBytes = rfb.readU32(); | |
| 896 if (nBytes > 64 * 1024 * 1024) | |
| 897 throw new Exception("ZRLE decoder: illegal compressed data size"); | |
| 898 | |
| 899 if (zrleBuf == null || zrleBufLen < nBytes) { | |
| 900 zrleBufLen = nBytes + 4096; | |
| 901 zrleBuf = new byte[zrleBufLen]; | |
| 902 } | |
| 903 | |
| 904 // FIXME: Do not wait for all the data before decompression. | |
| 905 rfb.readFully(zrleBuf, 0, nBytes); | |
| 906 | |
| 907 if (rfb.rec != null) { | |
| 908 if (rfb.recordFromBeginning) { | |
| 909 rfb.rec.writeIntBE(nBytes); | |
| 910 rfb.rec.write(zrleBuf, 0, nBytes); | |
| 911 } else if (!zrleRecWarningShown) { | |
| 912 System.out.println("Warning: ZRLE session can be recorded" | |
| 913 + " only from the beginning"); | |
| 914 System.out.println("Warning: Recorded file may be corrupted"); | |
| 915 zrleRecWarningShown = true; | |
| 916 } | |
| 917 } | |
| 918 | |
| 919 zrleInStream.setUnderlying(new MemInStream(zrleBuf, 0, nBytes), nBytes); | |
| 920 | |
| 921 for (int ty = y; ty < y + h; ty += 64) { | |
| 922 | |
| 923 int th = Math.min(y + h - ty, 64); | |
| 924 | |
| 925 for (int tx = x; tx < x + w; tx += 64) { | |
| 926 | |
| 927 int tw = Math.min(x + w - tx, 64); | |
| 928 | |
| 929 int mode = zrleInStream.readU8(); | |
| 930 boolean rle = (mode & 128) != 0; | |
| 931 int palSize = mode & 127; | |
| 932 int[] palette = new int[128]; | |
| 933 | |
| 934 readZrlePalette(palette, palSize); | |
| 935 | |
| 936 if (palSize == 1) { | |
| 937 int pix = palette[0]; | |
| 938 Color c = (bytesPixel == 1) ? colors[pix] : new Color( | |
| 939 0xFF000000 | pix); | |
| 940 memGraphics.setColor(c); | |
| 941 memGraphics.fillRect(tx, ty, tw, th); | |
| 942 continue; | |
| 943 } | |
| 944 | |
| 945 if (!rle) { | |
| 946 if (palSize == 0) { | |
| 947 readZrleRawPixels(tw, th); | |
| 948 } else { | |
| 949 readZrlePackedPixels(tw, th, palette, palSize); | |
| 950 } | |
| 951 } else { | |
| 952 if (palSize == 0) { | |
| 953 readZrlePlainRLEPixels(tw, th); | |
| 954 } else { | |
| 955 readZrlePackedRLEPixels(tw, th, palette); | |
| 956 } | |
| 957 } | |
| 958 handleUpdatedZrleTile(tx, ty, tw, th); | |
| 959 } | |
| 960 } | |
| 961 | |
| 962 zrleInStream.reset(); | |
| 963 | |
| 964 scheduleRepaint(x, y, w, h); | |
| 965 } | |
| 966 | |
| 967 int readPixel(InStream is) throws Exception { | |
| 968 int pix; | |
| 969 | |
| 970 if (bytesPixel == 1) { | |
| 971 | |
| 972 pix = is.readU8(); | |
| 973 } else { | |
| 974 int p1 = is.readU8(); | |
| 975 int p2 = is.readU8(); | |
| 976 int p3 = is.readU8(); | |
| 977 pix = (p3 & 0xFF) << 16 | (p2 & 0xFF) << 8 | (p1 & 0xFF); | |
| 978 } | |
| 979 return pix; | |
| 0 | 980 } |
| 981 | |
| 4 | 982 void readPixels(InStream is, int[] dst, int count) throws Exception { |
| 983 int pix; | |
| 984 if (bytesPixel == 1) { | |
| 985 byte[] buf = new byte[count]; | |
| 986 is.readBytes(buf, 0, count); | |
| 987 for (int i = 0; i < count; i++) { | |
| 988 dst[i] = (int) buf[i] & 0xFF; | |
| 989 } | |
| 990 } else { | |
| 991 byte[] buf = new byte[count * 3]; | |
| 992 is.readBytes(buf, 0, count * 3); | |
| 993 for (int i = 0; i < count; i++) { | |
| 994 dst[i] = ((buf[i * 3 + 2] & 0xFF) << 16 | |
| 995 | (buf[i * 3 + 1] & 0xFF) << 8 | (buf[i * 3] & 0xFF)); | |
| 996 /* | |
| 997 * dst[i] = (0x00 << 16 | 0x00 << 8 | 0xFF); | |
| 998 */ | |
| 0 | 999 |
| 4 | 1000 } |
| 1001 } | |
| 1002 } | |
| 0 | 1003 |
| 4 | 1004 void readZrlePalette(int[] palette, int palSize) throws Exception { |
| 1005 readPixels(zrleInStream, palette, palSize); | |
| 0 | 1006 } |
| 4 | 1007 |
| 1008 void readZrleRawPixels(int tw, int th) throws Exception { | |
| 1009 if (bytesPixel == 1) { | |
| 1010 zrleInStream.readBytes(zrleTilePixels8, 0, tw * th); | |
| 1011 } else { | |
| 1012 readPixels(zrleInStream, zrleTilePixels24, tw * th); // / | |
| 1013 } | |
| 0 | 1014 } |
| 4 | 1015 |
| 1016 void readZrlePackedPixels(int tw, int th, int[] palette, int palSize) | |
| 1017 throws Exception { | |
| 0 | 1018 |
| 4 | 1019 int bppp = ((palSize > 16) ? 8 : ((palSize > 4) ? 4 |
| 1020 : ((palSize > 2) ? 2 : 1))); | |
| 1021 int ptr = 0; | |
| 0 | 1022 |
| 4 | 1023 for (int i = 0; i < th; i++) { |
| 1024 int eol = ptr + tw; | |
| 1025 int b = 0; | |
| 1026 int nbits = 0; | |
| 0 | 1027 |
| 4 | 1028 while (ptr < eol) { |
| 1029 if (nbits == 0) { | |
| 1030 b = zrleInStream.readU8(); | |
| 1031 nbits = 8; | |
| 1032 } | |
| 1033 nbits -= bppp; | |
| 1034 int index = (b >> nbits) & ((1 << bppp) - 1) & 127; | |
| 1035 if (bytesPixel == 1) { | |
| 1036 zrleTilePixels8[ptr++] = (byte) palette[index]; | |
| 1037 } else { | |
| 1038 zrleTilePixels24[ptr++] = palette[index]; | |
| 1039 } | |
| 1040 } | |
| 1041 } | |
| 1042 } | |
| 0 | 1043 |
| 4 | 1044 void readZrlePlainRLEPixels(int tw, int th) throws Exception { |
| 1045 int ptr = 0; | |
| 1046 int end = ptr + tw * th; | |
| 1047 while (ptr < end) { | |
| 1048 int pix = readPixel(zrleInStream); | |
| 1049 int len = 1; | |
| 1050 int b; | |
| 1051 do { | |
| 1052 b = zrleInStream.readU8(); | |
| 1053 len += b; | |
| 1054 } while (b == 255); | |
| 0 | 1055 |
| 4 | 1056 if (!(len <= end - ptr)) |
| 1057 throw new Exception("ZRLE decoder: assertion failed" | |
| 1058 + " (len <= end-ptr)"); | |
| 0 | 1059 |
| 4 | 1060 if (bytesPixel == 1) { |
| 1061 while (len-- > 0) | |
| 1062 zrleTilePixels8[ptr++] = (byte) pix; | |
| 1063 } else { | |
| 1064 while (len-- > 0) | |
| 1065 zrleTilePixels24[ptr++] = pix; | |
| 1066 } | |
| 1067 } | |
| 1068 } | |
| 0 | 1069 |
| 4 | 1070 void readZrlePackedRLEPixels(int tw, int th, int[] palette) |
| 1071 throws Exception { | |
| 0 | 1072 |
| 4 | 1073 int ptr = 0; |
| 1074 int end = ptr + tw * th; | |
| 1075 while (ptr < end) { | |
| 1076 int index = zrleInStream.readU8(); | |
| 1077 int len = 1; | |
| 1078 if ((index & 128) != 0) { | |
| 1079 int b; | |
| 1080 do { | |
| 1081 b = zrleInStream.readU8(); | |
| 1082 len += b; | |
| 1083 } while (b == 255); | |
| 0 | 1084 |
| 4 | 1085 if (!(len <= end - ptr)) |
| 1086 throw new Exception("ZRLE decoder: assertion failed" | |
| 1087 + " (len <= end - ptr)"); | |
| 1088 } | |
| 0 | 1089 |
| 4 | 1090 index &= 127; |
| 1091 int pix = palette[index]; | |
| 0 | 1092 |
| 4 | 1093 if (bytesPixel == 1) { |
| 1094 while (len-- > 0) | |
| 1095 zrleTilePixels8[ptr++] = (byte) pix; | |
| 1096 } else { | |
| 1097 while (len-- > 0) | |
| 1098 zrleTilePixels24[ptr++] = pix; | |
| 1099 } | |
| 1100 } | |
| 1101 } | |
| 0 | 1102 |
| 4 | 1103 // |
| 1104 // Copy pixels from zrleTilePixels8 or zrleTilePixels24, then update. | |
| 1105 // | |
| 0 | 1106 |
| 4 | 1107 void handleUpdatedZrleTile(int x, int y, int w, int h) { |
| 1108 Object src, dst; | |
| 1109 if (bytesPixel == 1) { | |
| 1110 src = zrleTilePixels8; | |
| 1111 dst = pixels8; | |
| 1112 } else { | |
| 1113 src = zrleTilePixels24; | |
| 1114 dst = pixels24; | |
| 1115 } | |
| 1116 int offsetSrc = 0; | |
| 1117 int offsetDst = (y * rfb.framebufferWidth + x); | |
| 1118 for (int j = 0; j < h; j++) { | |
| 1119 System.arraycopy(src, offsetSrc, dst, offsetDst, w); | |
| 1120 offsetSrc += w; | |
| 1121 offsetDst += rfb.framebufferWidth; | |
| 1122 } | |
| 1123 handleUpdatedPixels(x, y, w, h); | |
| 1124 } | |
| 0 | 1125 |
| 4 | 1126 // |
| 1127 // Handle a Zlib-encoded rectangle. | |
| 1128 // | |
| 1129 | |
| 1130 void handleZlibRect(int x, int y, int w, int h) throws Exception { | |
| 1131 | |
| 1132 int nBytes = rfb.readU32(); | |
| 0 | 1133 |
| 4 | 1134 if (zlibBuf == null || zlibBufLen < nBytes) { |
| 1135 zlibBufLen = nBytes * 2; | |
| 1136 zlibBuf = new byte[zlibBufLen]; | |
| 1137 } | |
| 1138 | |
| 1139 rfb.readFully(zlibBuf, 0, nBytes); | |
| 1140 | |
| 1141 if (rfb.rec != null && rfb.recordFromBeginning) { | |
| 1142 rfb.rec.writeIntBE(nBytes); | |
| 1143 rfb.rec.write(zlibBuf, 0, nBytes); | |
| 1144 } | |
| 1145 | |
| 1146 if (zlibInflater == null) { | |
| 1147 zlibInflater = new Inflater(); | |
| 1148 } | |
| 1149 zlibInflater.setInput(zlibBuf, 0, nBytes); | |
| 0 | 1150 |
| 4 | 1151 if (bytesPixel == 1) { |
| 1152 for (int dy = y; dy < y + h; dy++) { | |
| 1153 zlibInflater.inflate(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 1154 if (rfb.rec != null && !rfb.recordFromBeginning) | |
| 1155 rfb.rec.write(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 1156 } | |
| 1157 } else { | |
| 1158 byte[] buf = new byte[w * 4]; | |
| 1159 int i, offset; | |
| 1160 for (int dy = y; dy < y + h; dy++) { | |
| 1161 zlibInflater.inflate(buf); | |
| 1162 offset = dy * rfb.framebufferWidth + x; | |
| 1163 for (i = 0; i < w; i++) { | |
| 1164 pixels24[offset + i] = (buf[i * 4 + 2] & 0xFF) << 16 | |
| 1165 | (buf[i * 4 + 1] & 0xFF) << 8 | |
| 1166 | (buf[i * 4] & 0xFF); | |
| 1167 } | |
| 1168 if (rfb.rec != null && !rfb.recordFromBeginning) | |
| 1169 rfb.rec.write(buf); | |
| 1170 } | |
| 1171 } | |
| 0 | 1172 |
| 4 | 1173 handleUpdatedPixels(x, y, w, h); |
| 1174 scheduleRepaint(x, y, w, h); | |
| 1175 } | |
| 0 | 1176 |
| 4 | 1177 // |
| 1178 // Handle a Tight-encoded rectangle. | |
| 1179 // | |
| 0 | 1180 |
| 4 | 1181 void handleTightRect(int x, int y, int w, int h) throws Exception { |
| 0 | 1182 |
| 4 | 1183 int comp_ctl = rfb.readU8(); |
| 1184 if (rfb.rec != null) { | |
| 1185 if (rfb.recordFromBeginning || comp_ctl == (rfb.TightFill << 4) | |
| 1186 || comp_ctl == (rfb.TightJpeg << 4)) { | |
| 1187 // Send data exactly as received. | |
| 1188 rfb.rec.writeByte(comp_ctl); | |
| 1189 } else { | |
| 1190 // Tell the decoder to flush each of the four zlib streams. | |
| 1191 rfb.rec.writeByte(comp_ctl | 0x0F); | |
| 1192 } | |
| 1193 } | |
| 0 | 1194 |
| 4 | 1195 // Flush zlib streams if we are told by the server to do so. |
| 1196 for (int stream_id = 0; stream_id < 4; stream_id++) { | |
| 1197 if ((comp_ctl & 1) != 0 && tightInflaters[stream_id] != null) { | |
| 1198 tightInflaters[stream_id] = null; | |
| 1199 } | |
| 1200 comp_ctl >>= 1; | |
| 1201 } | |
| 0 | 1202 |
| 4 | 1203 // Check correctness of subencoding value. |
| 1204 if (comp_ctl > rfb.TightMaxSubencoding) { | |
| 1205 throw new Exception("Incorrect tight subencoding: " + comp_ctl); | |
| 1206 } | |
| 0 | 1207 |
| 4 | 1208 // Handle solid-color rectangles. |
| 1209 if (comp_ctl == rfb.TightFill) { | |
| 0 | 1210 |
| 4 | 1211 if (bytesPixel == 1) { |
| 1212 int idx = rfb.readU8(); | |
| 1213 memGraphics.setColor(colors[idx]); | |
| 1214 if (rfb.rec != null) { | |
| 1215 rfb.rec.writeByte(idx); | |
| 1216 } | |
| 1217 } else { | |
| 1218 byte[] buf = new byte[3]; | |
| 1219 rfb.readFully(buf); | |
| 1220 if (rfb.rec != null) { | |
| 1221 rfb.rec.write(buf); | |
| 1222 } | |
| 1223 Color bg = new Color(0xFF000000 | (buf[0] & 0xFF) << 16 | |
| 1224 | (buf[1] & 0xFF) << 8 | (buf[2] & 0xFF)); | |
| 1225 memGraphics.setColor(bg); | |
| 1226 } | |
| 1227 memGraphics.fillRect(x, y, w, h); | |
| 1228 scheduleRepaint(x, y, w, h); | |
| 1229 return; | |
| 0 | 1230 |
| 4 | 1231 } |
| 0 | 1232 |
| 4 | 1233 if (comp_ctl == rfb.TightJpeg) { |
| 1234 | |
| 1235 statNumRectsTightJPEG++; | |
| 0 | 1236 |
| 4 | 1237 // Read JPEG data. |
| 1238 byte[] jpegData = new byte[rfb.readCompactLen()]; | |
| 1239 rfb.readFully(jpegData); | |
| 1240 if (rfb.rec != null) { | |
| 1241 if (!rfb.recordFromBeginning) { | |
| 1242 rfb.recordCompactLen(jpegData.length); | |
| 1243 } | |
| 1244 rfb.rec.write(jpegData); | |
| 1245 } | |
| 0 | 1246 |
| 4 | 1247 // Create an Image object from the JPEG data. |
| 1248 Image jpegImage = Toolkit.getDefaultToolkit().createImage(jpegData); | |
| 0 | 1249 |
| 4 | 1250 // Remember the rectangle where the image should be drawn. |
| 1251 jpegRect = new Rectangle(x, y, w, h); | |
| 0 | 1252 |
| 4 | 1253 // Let the imageUpdate() method do the actual drawing, here just |
| 1254 // wait until the image is fully loaded and drawn. | |
| 1255 synchronized (jpegRect) { | |
| 1256 Toolkit.getDefaultToolkit().prepareImage(jpegImage, -1, -1, | |
| 1257 this); | |
| 1258 try { | |
| 1259 // Wait no longer than three seconds. | |
| 1260 jpegRect.wait(3000); | |
| 1261 } catch (InterruptedException e) { | |
| 1262 throw new Exception("Interrupted while decoding JPEG image"); | |
| 1263 } | |
| 1264 } | |
| 0 | 1265 |
| 4 | 1266 // Done, jpegRect is not needed any more. |
| 1267 jpegRect = null; | |
| 1268 return; | |
| 0 | 1269 |
| 4 | 1270 } |
| 0 | 1271 |
| 4 | 1272 // Read filter id and parameters. |
| 1273 int numColors = 0, rowSize = w; | |
| 1274 byte[] palette8 = new byte[2]; | |
| 1275 int[] palette24 = new int[256]; | |
| 1276 boolean useGradient = false; | |
| 1277 if ((comp_ctl & rfb.TightExplicitFilter) != 0) { | |
| 1278 int filter_id = rfb.readU8(); | |
| 1279 if (rfb.rec != null) { | |
| 1280 rfb.rec.writeByte(filter_id); | |
| 1281 } | |
| 1282 if (filter_id == rfb.TightFilterPalette) { | |
| 1283 numColors = rfb.readU8() + 1; | |
| 1284 if (rfb.rec != null) { | |
| 1285 rfb.rec.writeByte(numColors - 1); | |
| 1286 } | |
| 1287 if (bytesPixel == 1) { | |
| 1288 if (numColors != 2) { | |
| 1289 throw new Exception("Incorrect tight palette size: " | |
| 1290 + numColors); | |
| 1291 } | |
| 1292 rfb.readFully(palette8); | |
| 1293 if (rfb.rec != null) { | |
| 1294 rfb.rec.write(palette8); | |
| 1295 } | |
| 1296 } else { | |
| 1297 byte[] buf = new byte[numColors * 3]; | |
| 1298 rfb.readFully(buf); | |
| 1299 if (rfb.rec != null) { | |
| 1300 rfb.rec.write(buf); | |
| 1301 } | |
| 1302 for (int i = 0; i < numColors; i++) { | |
| 1303 palette24[i] = ((buf[i * 3] & 0xFF) << 16 | |
| 1304 | (buf[i * 3 + 1] & 0xFF) << 8 | (buf[i * 3 + 2] & 0xFF)); | |
| 1305 } | |
| 1306 } | |
| 1307 if (numColors == 2) | |
| 1308 rowSize = (w + 7) / 8; | |
| 1309 } else if (filter_id == rfb.TightFilterGradient) { | |
| 1310 useGradient = true; | |
| 1311 } else if (filter_id != rfb.TightFilterCopy) { | |
| 1312 throw new Exception("Incorrect tight filter id: " + filter_id); | |
| 1313 } | |
| 1314 } | |
| 1315 if (numColors == 0 && bytesPixel == 4) | |
| 1316 rowSize *= 3; | |
| 0 | 1317 |
| 4 | 1318 // Read, optionally uncompress and decode data. |
| 1319 int dataSize = h * rowSize; | |
| 1320 if (dataSize < rfb.TightMinToCompress) { | |
| 1321 // Data size is small - not compressed with zlib. | |
| 1322 if (numColors != 0) { | |
| 1323 // Indexed colors. | |
| 1324 byte[] indexedData = new byte[dataSize]; | |
| 1325 rfb.readFully(indexedData); | |
| 1326 if (rfb.rec != null) { | |
| 1327 rfb.rec.write(indexedData); | |
| 1328 } | |
| 1329 if (numColors == 2) { | |
| 1330 // Two colors. | |
| 1331 if (bytesPixel == 1) { | |
| 1332 decodeMonoData(x, y, w, h, indexedData, palette8); | |
| 1333 } else { | |
| 1334 decodeMonoData(x, y, w, h, indexedData, palette24); | |
| 1335 } | |
| 1336 } else { | |
| 1337 // 3..255 colors (assuming bytesPixel == 4). | |
| 1338 int i = 0; | |
| 1339 for (int dy = y; dy < y + h; dy++) { | |
| 1340 for (int dx = x; dx < x + w; dx++) { | |
| 1341 pixels24[dy * rfb.framebufferWidth + dx] = palette24[indexedData[i++] & 0xFF]; | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 } else if (useGradient) { | |
| 1346 // "Gradient"-processed data | |
| 1347 byte[] buf = new byte[w * h * 3]; | |
| 1348 rfb.readFully(buf); | |
| 1349 if (rfb.rec != null) { | |
| 1350 rfb.rec.write(buf); | |
| 1351 } | |
| 1352 decodeGradientData(x, y, w, h, buf); | |
| 1353 } else { | |
| 1354 // Raw truecolor data. | |
| 1355 if (bytesPixel == 1) { | |
| 1356 for (int dy = y; dy < y + h; dy++) { | |
| 1357 rfb.readFully(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 1358 if (rfb.rec != null) { | |
| 1359 rfb.rec.write(pixels8, dy * rfb.framebufferWidth | |
| 1360 + x, w); | |
| 1361 } | |
| 1362 } | |
| 1363 } else { | |
| 1364 byte[] buf = new byte[w * 3]; | |
| 1365 int i, offset; | |
| 1366 for (int dy = y; dy < y + h; dy++) { | |
| 1367 rfb.readFully(buf); | |
| 1368 if (rfb.rec != null) { | |
| 1369 rfb.rec.write(buf); | |
| 1370 } | |
| 1371 offset = dy * rfb.framebufferWidth + x; | |
| 1372 for (i = 0; i < w; i++) { | |
| 1373 pixels24[offset + i] = (buf[i * 3] & 0xFF) << 16 | |
| 1374 | (buf[i * 3 + 1] & 0xFF) << 8 | |
| 1375 | (buf[i * 3 + 2] & 0xFF); | |
| 1376 } | |
| 1377 } | |
| 1378 } | |
| 1379 } | |
| 1380 } else { | |
| 1381 // Data was compressed with zlib. | |
| 1382 int zlibDataLen = rfb.readCompactLen(); | |
| 1383 byte[] zlibData = new byte[zlibDataLen]; | |
| 1384 rfb.readFully(zlibData); | |
| 1385 if (rfb.rec != null && rfb.recordFromBeginning) { | |
| 1386 rfb.rec.write(zlibData); | |
| 1387 } | |
| 1388 int stream_id = comp_ctl & 0x03; | |
| 1389 if (tightInflaters[stream_id] == null) { | |
| 1390 tightInflaters[stream_id] = new Inflater(); | |
| 1391 } | |
| 1392 Inflater myInflater = tightInflaters[stream_id]; | |
| 1393 myInflater.setInput(zlibData); | |
| 1394 byte[] buf = new byte[dataSize]; | |
| 1395 myInflater.inflate(buf); | |
| 1396 if (rfb.rec != null && !rfb.recordFromBeginning) { | |
| 1397 rfb.recordCompressedData(buf); | |
| 1398 } | |
| 0 | 1399 |
| 4 | 1400 if (numColors != 0) { |
| 1401 // Indexed colors. | |
| 1402 if (numColors == 2) { | |
| 1403 // Two colors. | |
| 1404 if (bytesPixel == 1) { | |
| 1405 decodeMonoData(x, y, w, h, buf, palette8); | |
| 1406 } else { | |
| 1407 decodeMonoData(x, y, w, h, buf, palette24); | |
| 1408 } | |
| 1409 } else { | |
| 1410 // More than two colors (assuming bytesPixel == 4). | |
| 1411 int i = 0; | |
| 1412 for (int dy = y; dy < y + h; dy++) { | |
| 1413 for (int dx = x; dx < x + w; dx++) { | |
| 1414 pixels24[dy * rfb.framebufferWidth + dx] = palette24[buf[i++] & 0xFF]; | |
| 1415 } | |
| 1416 } | |
| 1417 } | |
| 1418 } else if (useGradient) { | |
| 1419 // Compressed "Gradient"-filtered data (assuming bytesPixel == | |
| 1420 // 4). | |
| 1421 decodeGradientData(x, y, w, h, buf); | |
| 1422 } else { | |
| 1423 // Compressed truecolor data. | |
| 1424 if (bytesPixel == 1) { | |
| 1425 int destOffset = y * rfb.framebufferWidth + x; | |
| 1426 for (int dy = 0; dy < h; dy++) { | |
| 1427 System.arraycopy(buf, dy * w, pixels8, destOffset, w); | |
| 1428 destOffset += rfb.framebufferWidth; | |
| 1429 } | |
| 1430 } else { | |
| 1431 int srcOffset = 0; | |
| 1432 int destOffset, i; | |
| 1433 for (int dy = 0; dy < h; dy++) { | |
| 1434 myInflater.inflate(buf); | |
| 1435 destOffset = (y + dy) * rfb.framebufferWidth + x; | |
| 1436 for (i = 0; i < w; i++) { | |
| 1437 pixels24[destOffset + i] = (buf[srcOffset] & 0xFF) << 16 | |
| 1438 | (buf[srcOffset + 1] & 0xFF) << 8 | |
| 1439 | (buf[srcOffset + 2] & 0xFF); | |
| 1440 srcOffset += 3; | |
| 1441 } | |
| 1442 } | |
| 1443 } | |
| 1444 } | |
| 1445 } | |
| 18 | 1446 /* |
| 4 | 1447 handleUpdatedPixels(x, y, w, h); |
| 1448 scheduleRepaint(x, y, w, h); | |
| 18 | 1449 */ |
| 4 | 1450 } |
| 0 | 1451 |
| 4 | 1452 // |
| 1453 // Decode 1bpp-encoded bi-color rectangle (8-bit and 24-bit versions). | |
| 1454 // | |
| 0 | 1455 |
| 4 | 1456 void decodeMonoData(int x, int y, int w, int h, byte[] src, byte[] palette) { |
| 0 | 1457 |
| 4 | 1458 int dx, dy, n; |
| 1459 int i = y * rfb.framebufferWidth + x; | |
| 1460 int rowBytes = (w + 7) / 8; | |
| 1461 byte b; | |
| 0 | 1462 |
| 4 | 1463 for (dy = 0; dy < h; dy++) { |
| 1464 for (dx = 0; dx < w / 8; dx++) { | |
| 1465 b = src[dy * rowBytes + dx]; | |
| 1466 for (n = 7; n >= 0; n--) | |
| 1467 pixels8[i++] = palette[b >> n & 1]; | |
| 1468 } | |
| 1469 for (n = 7; n >= 8 - w % 8; n--) { | |
| 1470 pixels8[i++] = palette[src[dy * rowBytes + dx] >> n & 1]; | |
| 1471 } | |
| 1472 i += (rfb.framebufferWidth - w); | |
| 1473 } | |
| 0 | 1474 } |
| 4 | 1475 |
| 1476 void decodeMonoData(int x, int y, int w, int h, byte[] src, int[] palette) { | |
| 0 | 1477 |
| 4 | 1478 int dx, dy, n; |
| 1479 int i = y * rfb.framebufferWidth + x; | |
| 1480 int rowBytes = (w + 7) / 8; | |
| 1481 byte b; | |
| 0 | 1482 |
| 4 | 1483 for (dy = 0; dy < h; dy++) { |
| 1484 for (dx = 0; dx < w / 8; dx++) { | |
| 1485 b = src[dy * rowBytes + dx]; | |
| 1486 for (n = 7; n >= 0; n--) | |
| 1487 pixels24[i++] = palette[b >> n & 1]; | |
| 1488 } | |
| 1489 for (n = 7; n >= 8 - w % 8; n--) { | |
| 1490 pixels24[i++] = palette[src[dy * rowBytes + dx] >> n & 1]; | |
| 1491 } | |
| 1492 i += (rfb.framebufferWidth - w); | |
| 1493 } | |
| 0 | 1494 } |
| 4 | 1495 |
| 1496 // | |
| 1497 // Decode data processed with the "Gradient" filter. | |
| 1498 // | |
| 1499 | |
| 1500 void decodeGradientData(int x, int y, int w, int h, byte[] buf) { | |
| 1501 | |
| 1502 int dx, dy, c; | |
| 1503 byte[] prevRow = new byte[w * 3]; | |
| 1504 byte[] thisRow = new byte[w * 3]; | |
| 1505 byte[] pix = new byte[3]; | |
| 1506 int[] est = new int[3]; | |
| 1507 | |
| 1508 int offset = y * rfb.framebufferWidth + x; | |
| 1509 | |
| 1510 for (dy = 0; dy < h; dy++) { | |
| 0 | 1511 |
| 4 | 1512 /* First pixel in a row */ |
| 1513 for (c = 0; c < 3; c++) { | |
| 1514 pix[c] = (byte) (prevRow[c] + buf[dy * w * 3 + c]); | |
| 1515 thisRow[c] = pix[c]; | |
| 1516 } | |
| 1517 pixels24[offset++] = (pix[0] & 0xFF) << 16 | (pix[1] & 0xFF) << 8 | |
| 1518 | (pix[2] & 0xFF); | |
| 1519 | |
| 1520 /* Remaining pixels of a row */ | |
| 1521 for (dx = 1; dx < w; dx++) { | |
| 1522 for (c = 0; c < 3; c++) { | |
| 1523 est[c] = ((prevRow[dx * 3 + c] & 0xFF) + (pix[c] & 0xFF) - (prevRow[(dx - 1) | |
| 1524 * 3 + c] & 0xFF)); | |
| 1525 if (est[c] > 0xFF) { | |
| 1526 est[c] = 0xFF; | |
| 1527 } else if (est[c] < 0x00) { | |
| 1528 est[c] = 0x00; | |
| 1529 } | |
| 1530 pix[c] = (byte) (est[c] + buf[(dy * w + dx) * 3 + c]); | |
| 1531 thisRow[dx * 3 + c] = pix[c]; | |
| 1532 } | |
| 1533 pixels24[offset++] = (pix[0] & 0xFF) << 16 | |
| 1534 | (pix[1] & 0xFF) << 8 | (pix[2] & 0xFF); | |
| 1535 } | |
| 1536 | |
| 1537 System.arraycopy(thisRow, 0, prevRow, 0, w * 3); | |
| 1538 offset += (rfb.framebufferWidth - w); | |
| 1539 } | |
| 0 | 1540 } |
| 4 | 1541 |
| 1542 // | |
| 1543 // Display newly updated area of pixels. | |
| 1544 // | |
| 1545 | |
| 1546 void handleUpdatedPixels(int x, int y, int w, int h) { | |
| 1547 | |
| 1548 // Draw updated pixels of the off-screen image. | |
| 1549 pixelsSource.newPixels(x, y, w, h); | |
| 1550 memGraphics.setClip(x, y, w, h); | |
| 1551 memGraphics.drawImage(rawPixelsImage, 0, 0, null); | |
| 1552 memGraphics.setClip(0, 0, rfb.framebufferWidth, rfb.framebufferHeight); | |
| 89 | 1553 |
| 1554 // test.TestComet.imageUpdate(rawPixelsImage, x, y, w, h); | |
| 0 | 1555 } |
| 4 | 1556 |
| 1557 // | |
| 1558 // Tell JVM to repaint specified desktop area. | |
| 1559 // | |
| 1560 | |
| 1561 void scheduleRepaint(int x, int y, int w, int h) { | |
| 1562 // Request repaint, deferred if necessary. | |
| 1563 if (rfb.framebufferWidth == scaledWidth) { | |
| 1564 repaint(viewer.deferScreenUpdates, x, y, w, h); | |
| 1565 } else { | |
| 1566 int sx = x * scalingFactor / 100; | |
| 1567 int sy = y * scalingFactor / 100; | |
| 1568 int sw = ((x + w) * scalingFactor + 49) / 100 - sx + 1; | |
| 1569 int sh = ((y + h) * scalingFactor + 49) / 100 - sy + 1; | |
| 1570 repaint(viewer.deferScreenUpdates, sx, sy, sw, sh); | |
| 1571 } | |
| 1572 } | |
| 0 | 1573 |
| 4 | 1574 // |
| 1575 // Handle events. | |
| 1576 // | |
| 1577 | |
| 1578 public void keyPressed(KeyEvent evt) { | |
| 22 | 1579 // processLocalKeyEvent(evt); |
| 4 | 1580 } |
| 1581 | |
| 1582 public void keyReleased(KeyEvent evt) { | |
| 22 | 1583 // processLocalKeyEvent(evt); |
| 4 | 1584 } |
| 1585 | |
| 1586 public void keyTyped(KeyEvent evt) { | |
| 22 | 1587 // evt.consume(); |
| 0 | 1588 } |
| 4 | 1589 |
| 1590 public void mousePressed(MouseEvent evt) { | |
| 22 | 1591 // processLocalMouseEvent(evt, false); |
| 0 | 1592 } |
| 1593 | |
| 4 | 1594 public void mouseReleased(MouseEvent evt) { |
| 22 | 1595 // processLocalMouseEvent(evt, false); |
| 4 | 1596 } |
| 0 | 1597 |
| 4 | 1598 public void mouseMoved(MouseEvent evt) { |
| 22 | 1599 // processLocalMouseEvent(evt, true); |
| 4 | 1600 } |
| 0 | 1601 |
| 4 | 1602 public void mouseDragged(MouseEvent evt) { |
| 22 | 1603 // processLocalMouseEvent(evt, true); |
| 4 | 1604 } |
| 0 | 1605 |
| 4 | 1606 public void processLocalKeyEvent(KeyEvent evt) { |
| 1607 if (viewer.rfb != null && rfb.inNormalProtocol) { | |
| 1608 if (!inputEnabled) { | |
| 1609 if ((evt.getKeyChar() == 'r' || evt.getKeyChar() == 'R') | |
| 1610 && evt.getID() == KeyEvent.KEY_PRESSED) { | |
| 1611 // Request screen update. | |
| 87 | 1612 /* |
| 4 | 1613 try { |
| 1614 rfb.writeFramebufferUpdateRequest(0, 0, | |
| 1615 rfb.framebufferWidth, rfb.framebufferHeight, | |
| 1616 false); | |
| 1617 } catch (IOException e) { | |
| 1618 e.printStackTrace(); | |
| 1619 } | |
| 87 | 1620 */ |
| 4 | 1621 } |
| 1622 } else { | |
| 1623 // Input enabled. | |
| 1624 synchronized (rfb) { | |
| 1625 try { | |
| 1626 rfb.writeKeyEvent(evt); | |
| 1627 } catch (Exception e) { | |
| 1628 e.printStackTrace(); | |
| 1629 } | |
| 1630 rfb.notify(); | |
| 1631 } | |
| 1632 } | |
| 1633 } | |
| 1634 // Don't ever pass keyboard events to AWT for default processing. | |
| 1635 // Otherwise, pressing Tab would switch focus to ButtonPanel etc. | |
| 1636 evt.consume(); | |
| 1637 } | |
| 0 | 1638 |
| 4 | 1639 public void processLocalMouseEvent(MouseEvent evt, boolean moved) { |
| 1640 if (viewer.rfb != null && rfb.inNormalProtocol) { | |
| 1641 if (moved) { | |
| 1642 softCursorMove(evt.getX(), evt.getY()); | |
| 1643 } | |
| 1644 if (rfb.framebufferWidth != scaledWidth) { | |
| 1645 int sx = (evt.getX() * 100 + scalingFactor / 2) / scalingFactor; | |
| 1646 int sy = (evt.getY() * 100 + scalingFactor / 2) / scalingFactor; | |
| 1647 evt.translatePoint(sx - evt.getX(), sy - evt.getY()); | |
| 1648 } | |
| 1649 synchronized (rfb) { | |
| 1650 try { | |
| 1651 rfb.writePointerEvent(evt); | |
| 1652 } catch (Exception e) { | |
| 1653 e.printStackTrace(); | |
| 1654 } | |
| 1655 rfb.notify(); | |
| 1656 } | |
| 1657 } | |
| 0 | 1658 } |
| 1659 | |
| 4 | 1660 // |
| 1661 // Ignored events. | |
| 1662 // | |
| 0 | 1663 |
| 4 | 1664 public void mouseClicked(MouseEvent evt) { |
| 1665 } | |
| 0 | 1666 |
| 4 | 1667 public void mouseEntered(MouseEvent evt) { |
| 1668 } | |
| 0 | 1669 |
| 4 | 1670 public void mouseExited(MouseEvent evt) { |
| 1671 } | |
| 1672 | |
| 1673 // | |
| 1674 // Reset update statistics. | |
| 1675 // | |
| 0 | 1676 |
| 4 | 1677 void resetStats() { |
| 1678 statStartTime = System.currentTimeMillis(); | |
| 1679 statNumUpdates = 0; | |
| 1680 statNumTotalRects = 0; | |
| 1681 statNumPixelRects = 0; | |
| 1682 statNumRectsTight = 0; | |
| 1683 statNumRectsTightJPEG = 0; | |
| 1684 statNumRectsZRLE = 0; | |
| 1685 statNumRectsHextile = 0; | |
| 1686 statNumRectsRaw = 0; | |
| 1687 statNumRectsCopy = 0; | |
| 1688 statNumBytesEncoded = 0; | |
| 1689 statNumBytesDecoded = 0; | |
| 1690 } | |
| 0 | 1691 |
| 4 | 1692 // //////////////////////////////////////////////////////////////// |
| 1693 // | |
| 1694 // Handle cursor shape updates (XCursor and RichCursor encodings). | |
| 1695 // | |
| 0 | 1696 |
| 4 | 1697 boolean showSoftCursor = false; |
| 1698 | |
| 1699 MemoryImageSource softCursorSource; | |
| 1700 Image softCursor; | |
| 1701 | |
| 1702 int cursorX = 0, cursorY = 0; | |
| 1703 int cursorWidth, cursorHeight; | |
| 1704 int origCursorWidth, origCursorHeight; | |
| 1705 int hotX, hotY; | |
| 1706 int origHotX, origHotY; | |
| 1707 | |
| 1708 // | |
| 1709 // Handle cursor shape update (XCursor and RichCursor encodings). | |
| 1710 // | |
| 1711 | |
| 1712 synchronized void handleCursorShapeUpdate(int encodingType, int xhot, | |
| 1713 int yhot, int width, int height) throws IOException { | |
| 1714 | |
| 1715 softCursorFree(); | |
| 1716 | |
| 1717 if (width * height == 0) | |
| 1718 return; | |
| 0 | 1719 |
| 4 | 1720 // Ignore cursor shape data if requested by user. |
| 1721 if (viewer.options.ignoreCursorUpdates) { | |
| 1722 int bytesPerRow = (width + 7) / 8; | |
| 1723 int bytesMaskData = bytesPerRow * height; | |
| 1724 | |
| 1725 if (encodingType == rfb.EncodingXCursor) { | |
| 1726 rfb.skipBytes(6 + bytesMaskData * 2); | |
| 1727 } else { | |
| 1728 // rfb.EncodingRichCursor | |
| 1729 rfb.skipBytes(width * height * bytesPixel + bytesMaskData); | |
| 1730 } | |
| 1731 return; | |
| 1732 } | |
| 0 | 1733 |
| 4 | 1734 // Decode cursor pixel data. |
| 1735 softCursorSource = decodeCursorShape(encodingType, width, height); | |
| 1736 | |
| 1737 // Set original (non-scaled) cursor dimensions. | |
| 1738 origCursorWidth = width; | |
| 1739 origCursorHeight = height; | |
| 1740 origHotX = xhot; | |
| 1741 origHotY = yhot; | |
| 1742 | |
| 1743 // Create off-screen cursor image. | |
| 1744 createSoftCursor(); | |
| 1745 | |
| 1746 // Show the cursor. | |
| 1747 showSoftCursor = true; | |
| 1748 repaint(viewer.deferCursorUpdates, cursorX - hotX, cursorY - hotY, | |
| 1749 cursorWidth, cursorHeight); | |
| 0 | 1750 } |
| 1751 | |
| 4 | 1752 // |
| 1753 // decodeCursorShape(). Decode cursor pixel data and return | |
| 1754 // corresponding MemoryImageSource instance. | |
| 1755 // | |
| 0 | 1756 |
| 4 | 1757 synchronized MemoryImageSource decodeCursorShape(int encodingType, |
| 1758 int width, int height) throws IOException { | |
| 1759 | |
| 1760 int bytesPerRow = (width + 7) / 8; | |
| 1761 int bytesMaskData = bytesPerRow * height; | |
| 1762 | |
| 1763 int[] softCursorPixels = new int[width * height]; | |
| 0 | 1764 |
| 4 | 1765 if (encodingType == rfb.EncodingXCursor) { |
| 0 | 1766 |
| 4 | 1767 // Read foreground and background colors of the cursor. |
| 1768 byte[] rgb = new byte[6]; | |
| 1769 rfb.readFully(rgb); | |
| 1770 int[] colors = { | |
| 1771 (0xFF000000 | (rgb[3] & 0xFF) << 16 | (rgb[4] & 0xFF) << 8 | (rgb[5] & 0xFF)), | |
| 1772 (0xFF000000 | (rgb[0] & 0xFF) << 16 | (rgb[1] & 0xFF) << 8 | (rgb[2] & 0xFF)) }; | |
| 0 | 1773 |
| 4 | 1774 // Read pixel and mask data. |
| 1775 byte[] pixBuf = new byte[bytesMaskData]; | |
| 1776 rfb.readFully(pixBuf); | |
| 1777 byte[] maskBuf = new byte[bytesMaskData]; | |
| 1778 rfb.readFully(maskBuf); | |
| 0 | 1779 |
| 4 | 1780 // Decode pixel data into softCursorPixels[]. |
| 1781 byte pixByte, maskByte; | |
| 1782 int x, y, n, result; | |
| 1783 int i = 0; | |
| 1784 for (y = 0; y < height; y++) { | |
| 1785 for (x = 0; x < width / 8; x++) { | |
| 1786 pixByte = pixBuf[y * bytesPerRow + x]; | |
| 1787 maskByte = maskBuf[y * bytesPerRow + x]; | |
| 1788 for (n = 7; n >= 0; n--) { | |
| 1789 if ((maskByte >> n & 1) != 0) { | |
| 1790 result = colors[pixByte >> n & 1]; | |
| 1791 } else { | |
| 1792 result = 0; // Transparent pixel | |
| 1793 } | |
| 1794 softCursorPixels[i++] = result; | |
| 1795 } | |
| 1796 } | |
| 1797 for (n = 7; n >= 8 - width % 8; n--) { | |
| 1798 if ((maskBuf[y * bytesPerRow + x] >> n & 1) != 0) { | |
| 1799 result = colors[pixBuf[y * bytesPerRow + x] >> n & 1]; | |
| 1800 } else { | |
| 1801 result = 0; // Transparent pixel | |
| 1802 } | |
| 1803 softCursorPixels[i++] = result; | |
| 1804 } | |
| 1805 } | |
| 0 | 1806 |
| 4 | 1807 } else { |
| 1808 // encodingType == rfb.EncodingRichCursor | |
| 0 | 1809 |
| 4 | 1810 // Read pixel and mask data. |
| 1811 byte[] pixBuf = new byte[width * height * bytesPixel]; | |
| 1812 rfb.readFully(pixBuf); | |
| 1813 byte[] maskBuf = new byte[bytesMaskData]; | |
| 1814 rfb.readFully(maskBuf); | |
| 0 | 1815 |
| 4 | 1816 // Decode pixel data into softCursorPixels[]. |
| 1817 byte pixByte, maskByte; | |
| 1818 int x, y, n, result; | |
| 1819 int i = 0; | |
| 1820 for (y = 0; y < height; y++) { | |
| 1821 for (x = 0; x < width / 8; x++) { | |
| 1822 maskByte = maskBuf[y * bytesPerRow + x]; | |
| 1823 for (n = 7; n >= 0; n--) { | |
| 1824 if ((maskByte >> n & 1) != 0) { | |
| 1825 if (bytesPixel == 1) { | |
| 1826 result = cm8.getRGB(pixBuf[i]); | |
| 1827 } else { | |
| 1828 result = 0xFF000000 | |
| 1829 | (pixBuf[i * 4 + 2] & 0xFF) << 16 | |
| 1830 | (pixBuf[i * 4 + 1] & 0xFF) << 8 | |
| 1831 | (pixBuf[i * 4] & 0xFF); | |
| 1832 } | |
| 1833 } else { | |
| 1834 result = 0; // Transparent pixel | |
| 1835 } | |
| 1836 softCursorPixels[i++] = result; | |
| 1837 } | |
| 1838 } | |
| 1839 for (n = 7; n >= 8 - width % 8; n--) { | |
| 1840 if ((maskBuf[y * bytesPerRow + x] >> n & 1) != 0) { | |
| 1841 if (bytesPixel == 1) { | |
| 1842 result = cm8.getRGB(pixBuf[i]); | |
| 1843 } else { | |
| 1844 result = 0xFF000000 | |
| 1845 | (pixBuf[i * 4 + 2] & 0xFF) << 16 | |
| 1846 | (pixBuf[i * 4 + 1] & 0xFF) << 8 | |
| 1847 | (pixBuf[i * 4] & 0xFF); | |
| 1848 } | |
| 1849 } else { | |
| 1850 result = 0; // Transparent pixel | |
| 1851 } | |
| 1852 softCursorPixels[i++] = result; | |
| 1853 } | |
| 1854 } | |
| 0 | 1855 |
| 4 | 1856 } |
| 0 | 1857 |
| 4 | 1858 return new MemoryImageSource(width, height, softCursorPixels, 0, width); |
| 0 | 1859 } |
| 4 | 1860 |
| 1861 // | |
| 1862 // createSoftCursor(). Assign softCursor new Image (scaled if necessary). | |
| 1863 // Uses softCursorSource as a source for new cursor image. | |
| 1864 // | |
| 0 | 1865 |
| 4 | 1866 synchronized void createSoftCursor() { |
| 0 | 1867 |
| 4 | 1868 if (softCursorSource == null) |
| 1869 return; | |
| 1870 | |
| 1871 int scaleCursor = viewer.options.scaleCursor; | |
| 1872 if (scaleCursor == 0 || !inputEnabled) | |
| 1873 scaleCursor = 100; | |
| 0 | 1874 |
| 4 | 1875 // Save original cursor coordinates. |
| 1876 int x = cursorX - hotX; | |
| 1877 int y = cursorY - hotY; | |
| 1878 int w = cursorWidth; | |
| 1879 int h = cursorHeight; | |
| 0 | 1880 |
| 4 | 1881 cursorWidth = (origCursorWidth * scaleCursor + 50) / 100; |
| 1882 cursorHeight = (origCursorHeight * scaleCursor + 50) / 100; | |
| 1883 hotX = (origHotX * scaleCursor + 50) / 100; | |
| 1884 hotY = (origHotY * scaleCursor + 50) / 100; | |
| 1885 softCursor = Toolkit.getDefaultToolkit().createImage(softCursorSource); | |
| 0 | 1886 |
| 4 | 1887 if (scaleCursor != 100) { |
| 1888 softCursor = softCursor.getScaledInstance(cursorWidth, | |
| 1889 cursorHeight, Image.SCALE_SMOOTH); | |
| 1890 } | |
| 0 | 1891 |
| 4 | 1892 if (showSoftCursor) { |
| 1893 // Compute screen area to update. | |
| 1894 x = Math.min(x, cursorX - hotX); | |
| 1895 y = Math.min(y, cursorY - hotY); | |
| 1896 w = Math.max(w, cursorWidth); | |
| 1897 h = Math.max(h, cursorHeight); | |
| 0 | 1898 |
| 4 | 1899 repaint(viewer.deferCursorUpdates, x, y, w, h); |
| 1900 } | |
| 1901 } | |
| 0 | 1902 |
| 4 | 1903 // |
| 1904 // softCursorMove(). Moves soft cursor into a particular location. | |
| 1905 // | |
| 0 | 1906 |
| 4 | 1907 synchronized void softCursorMove(int x, int y) { |
| 1908 int oldX = cursorX; | |
| 1909 int oldY = cursorY; | |
| 1910 cursorX = x; | |
| 1911 cursorY = y; | |
| 1912 if (showSoftCursor) { | |
| 1913 repaint(viewer.deferCursorUpdates, oldX - hotX, oldY - hotY, | |
| 1914 cursorWidth, cursorHeight); | |
| 1915 repaint(viewer.deferCursorUpdates, cursorX - hotX, cursorY - hotY, | |
| 1916 cursorWidth, cursorHeight); | |
| 1917 } | |
| 1918 } | |
| 0 | 1919 |
| 4 | 1920 // |
| 1921 // softCursorFree(). Remove soft cursor, dispose resources. | |
| 1922 // | |
| 0 | 1923 |
| 4 | 1924 synchronized void softCursorFree() { |
| 1925 if (showSoftCursor) { | |
| 1926 showSoftCursor = false; | |
| 1927 softCursor = null; | |
| 1928 softCursorSource = null; | |
| 0 | 1929 |
| 4 | 1930 repaint(viewer.deferCursorUpdates, cursorX - hotX, cursorY - hotY, |
| 1931 cursorWidth, cursorHeight); | |
| 1932 } | |
| 1933 } | |
| 18 | 1934 void drawFirstImage()throws IOException { |
| 1935 BufferedImage bimg = rfb.createBimg(); | |
| 1936 memGraphics.setClip(0,0, rfb.framebufferWidth, rfb.framebufferHeight ); | |
| 1937 memGraphics.drawImage( bimg, 0,0, null); | |
| 1938 | |
| 1939 } | |
| 19 | 1940 |
| 1941 BufferedImage createBufferedImage(Image img){ | |
| 1942 BufferedImage bimg = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB ); | |
| 1943 | |
| 1944 Graphics g = bimg.getGraphics(); | |
| 1945 g.drawImage(img, 0, 0, null); | |
| 1946 g.dispose(); | |
| 1947 return bimg; | |
| 1948 } | |
| 1949 | |
| 1950 | |
| 1951 | |
| 0 | 1952 } |