Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/ProxyVncCanvas.java @ 108:4199efcc4260
Working
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 05 Aug 2011 10:57:05 +0900 |
| parents | f0790bcf000d |
| children | 8424f64dd736 |
| rev | line source |
|---|---|
| 24 | 1 package myVncProxy; |
| 13 | 2 import java.awt.*; |
| 3 import java.awt.event.*; | |
| 4 import java.awt.image.*; | |
| 5 import java.io.*; | |
| 6 import java.lang.*; | |
| 7 import java.nio.ByteBuffer; | |
| 8 import java.util.zip.*; | |
| 9 | |
| 10 import java.net.Socket; | |
| 11 | |
| 25 | 12 import javax.imageio.ImageIO; |
| 13 | |
| 13 | 14 // |
| 15 //VncCanvas is a subclass of Canvas which draws a VNC desktop on it. | |
| 16 // | |
| 17 | |
| 18 class ProxyVncCanvas extends Canvas implements KeyListener, MouseListener, | |
| 15 | 19 MouseMotionListener { |
| 13 | 20 |
| 15 | 21 VncProxyService viewer; |
| 22 MyRfbProto rfb; | |
| 23 ColorModel cm8, cm24; | |
| 24 Color[] colors; | |
| 25 int bytesPixel; | |
| 13 | 26 |
| 15 | 27 int maxWidth = 0, maxHeight = 0; |
| 28 int scalingFactor; | |
| 29 int scaledWidth, scaledHeight; | |
| 13 | 30 |
| 26 | 31 // Image memImage; |
| 32 BufferedImage memImage; | |
| 15 | 33 Graphics memGraphics; |
| 13 | 34 |
| 26 | 35 Image rawPixelsImage; |
| 36 // BufferedImage rawPixelsImage; | |
| 37 BufferedImage bimg; | |
| 38 | |
| 15 | 39 MemoryImageSource pixelsSource; |
| 40 byte[] pixels8; | |
| 41 int[] pixels24; | |
| 13 | 42 |
| 15 | 43 // Update statistics. |
| 44 long statStartTime; // time on first framebufferUpdateRequest | |
| 45 int statNumUpdates; // counter for FramebufferUpdate messages | |
| 46 int statNumTotalRects; // rectangles in FramebufferUpdate messages | |
| 47 int statNumPixelRects; // the same, but excluding pseudo-rectangles | |
| 48 int statNumRectsTight; // Tight-encoded rectangles (including JPEG) | |
| 49 int statNumRectsTightJPEG; // JPEG-compressed Tight-encoded rectangles | |
| 50 int statNumRectsZRLE; // ZRLE-encoded rectangles | |
| 51 int statNumRectsHextile; // Hextile-encoded rectangles | |
| 52 int statNumRectsRaw; // Raw-encoded rectangles | |
| 53 int statNumRectsCopy; // CopyRect rectangles | |
| 54 int statNumBytesEncoded; // number of bytes in updates, as received | |
| 55 int statNumBytesDecoded; // number of bytes, as if Raw encoding was used | |
| 56 | |
| 57 // ZRLE encoder's data. | |
| 58 byte[] zrleBuf; | |
| 59 int zrleBufLen = 0; | |
| 60 byte[] zrleTilePixels8; | |
| 61 int[] zrleTilePixels24; | |
| 62 ZlibInStream zrleInStream; | |
| 63 boolean zrleRecWarningShown = false; | |
| 13 | 64 |
| 15 | 65 // Zlib encoder's data. |
| 66 byte[] zlibBuf; | |
| 67 int zlibBufLen = 0; | |
| 68 Inflater zlibInflater; | |
| 13 | 69 |
| 15 | 70 // Tight encoder's data. |
| 71 final static int tightZlibBufferSize = 512; | |
| 72 Inflater[] tightInflaters; | |
| 13 | 73 |
| 15 | 74 // Since JPEG images are loaded asynchronously, we have to remember |
| 75 // their position in the framebuffer. Also, this jpegRect object is | |
| 76 // used for synchronization between the rfbThread and a JVM's thread | |
| 77 // which decodes and loads JPEG images. | |
| 78 Rectangle jpegRect; | |
| 13 | 79 |
| 15 | 80 // True if we process keyboard and mouse events. |
| 81 boolean inputEnabled; | |
|
96
f0790bcf000d
fix concurrent modification
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
80
diff
changeset
|
82 private int b = 0; |
| 27 | 83 |
| 13 | 84 |
| 15 | 85 |
| 86 // | |
| 87 // The constructors. | |
| 88 // | |
| 13 | 89 |
| 15 | 90 public ProxyVncCanvas(VncProxyService v, int maxWidth_, int maxHeight_) |
| 91 throws IOException { | |
| 13 | 92 |
| 15 | 93 viewer = v; |
| 94 maxWidth = maxWidth_; | |
| 95 maxHeight = maxHeight_; | |
| 13 | 96 |
| 15 | 97 rfb = viewer.rfb; |
| 27 | 98 |
| 15 | 99 tightInflaters = new Inflater[4]; |
| 13 | 100 |
| 15 | 101 cm8 = new DirectColorModel(8, 7, (7 << 3), (3 << 6)); |
| 102 cm24 = new DirectColorModel(24, 0xFF0000, 0x00FF00, 0x0000FF); | |
| 13 | 103 |
| 15 | 104 colors = new Color[256]; |
| 105 for (int i = 0; i < 256; i++) | |
| 106 colors[i] = new Color(cm8.getRGB(i)); | |
| 13 | 107 |
| 25 | 108 // setPixelFormat(); |
| 13 | 109 |
| 15 | 110 inputEnabled = false; |
| 111 // Keyboard listener is enabled even in view-only mode, to catch | |
| 112 // 'r' or 'R' key presses used to request screen update. | |
| 113 addKeyListener(this); | |
| 114 } | |
| 13 | 115 |
| 15 | 116 public ProxyVncCanvas(VncProxyService v) throws IOException { |
| 117 this(v, 0, 0); | |
| 118 } | |
| 119 | |
| 120 // | |
| 121 // Callback methods to determine geometry of our Component. | |
| 122 // | |
| 13 | 123 |
| 15 | 124 public Dimension getPreferredSize() { |
| 125 return new Dimension(scaledWidth, scaledHeight); | |
| 126 } | |
| 13 | 127 |
| 15 | 128 public Dimension getMinimumSize() { |
| 129 return new Dimension(scaledWidth, scaledHeight); | |
| 130 } | |
| 13 | 131 |
| 15 | 132 public Dimension getMaximumSize() { |
| 133 return new Dimension(scaledWidth, scaledHeight); | |
| 134 } | |
| 13 | 135 |
| 15 | 136 // |
| 137 // All painting is performed here. | |
| 138 // | |
| 13 | 139 |
| 15 | 140 public void update(Graphics g) { |
| 141 paint(g); | |
| 142 } | |
| 13 | 143 |
| 15 | 144 public void paint(Graphics g) { |
| 145 synchronized (memImage) { | |
| 146 if (rfb.framebufferWidth == scaledWidth) { | |
| 147 g.drawImage(memImage, 0, 0, null); | |
| 148 } else { | |
| 149 paintScaledFrameBuffer(g); | |
| 150 } | |
| 151 } | |
| 152 if (showSoftCursor) { | |
| 153 int x0 = cursorX - hotX, y0 = cursorY - hotY; | |
| 154 Rectangle r = new Rectangle(x0, y0, cursorWidth, cursorHeight); | |
| 155 if (r.intersects(g.getClipBounds())) { | |
| 156 g.drawImage(softCursor, x0, y0, null); | |
| 157 } | |
| 13 | 158 } |
| 159 } | |
| 15 | 160 |
| 161 public void paintScaledFrameBuffer(Graphics g) { | |
| 162 g.drawImage(memImage, 0, 0, scaledWidth, scaledHeight, null); | |
| 13 | 163 } |
| 164 | |
| 15 | 165 // |
| 166 // Override the ImageObserver interface method to handle drawing of | |
| 167 // JPEG-encoded data. | |
| 168 // | |
| 13 | 169 |
| 15 | 170 public boolean imageUpdate(Image img, int infoflags, int x, int y, |
| 171 int width, int height) { | |
| 172 if ((infoflags & (ALLBITS | ABORT)) == 0) { | |
| 173 return true; // We need more image data. | |
| 174 } else { | |
| 175 // If the whole image is available, draw it now. | |
| 176 if ((infoflags & ALLBITS) != 0) { | |
| 177 if (jpegRect != null) { | |
| 178 synchronized (jpegRect) { | |
| 179 memGraphics | |
| 180 .drawImage(img, jpegRect.x, jpegRect.y, null); | |
| 181 scheduleRepaint(jpegRect.x, jpegRect.y, jpegRect.width, | |
| 182 jpegRect.height); | |
| 183 jpegRect.notify(); | |
| 184 } | |
| 13 | 185 } |
| 186 } | |
| 15 | 187 return false; // All image data was processed. |
| 13 | 188 } |
| 189 } | |
| 190 | |
| 15 | 191 // |
| 192 // Start/stop receiving mouse events. Keyboard events are received | |
| 193 // even in view-only mode, because we want to map the 'r' key to the | |
| 194 // screen refreshing function. | |
| 195 // | |
| 13 | 196 |
| 15 | 197 public synchronized void enableInput(boolean enable) { |
| 198 if (enable && !inputEnabled) { | |
| 199 inputEnabled = true; | |
| 200 addMouseListener(this); | |
| 201 addMouseMotionListener(this); | |
| 202 if (viewer.showControls) { | |
| 203 viewer.buttonPanel.enableRemoteAccessControls(true); | |
| 204 } | |
| 205 createSoftCursor(); // scaled cursor | |
| 206 } else if (!enable && inputEnabled) { | |
| 207 inputEnabled = false; | |
| 208 removeMouseListener(this); | |
| 209 removeMouseMotionListener(this); | |
| 210 if (viewer.showControls) { | |
| 211 viewer.buttonPanel.enableRemoteAccessControls(false); | |
| 212 } | |
| 213 createSoftCursor(); // non-scaled cursor | |
| 214 } | |
| 215 } | |
| 13 | 216 |
| 15 | 217 public void setPixelFormat() throws IOException { |
| 26 | 218 /* |
| 15 | 219 if (viewer.options.eightBitColors) { |
| 220 rfb.writeSetPixelFormat(8, 8, false, true, 7, 7, 3, 0, 3, 6); | |
| 221 bytesPixel = 1; | |
| 222 } else { | |
| 223 rfb.writeSetPixelFormat(32, 24, false, true, 255, 255, 255, 16, 8, | |
| 224 0); | |
| 225 bytesPixel = 4; | |
| 226 } | |
| 26 | 227 */ |
| 15 | 228 updateFramebufferSize(); |
| 229 } | |
| 230 | |
| 231 void updateFramebufferSize() { | |
| 232 | |
| 233 // Useful shortcuts. | |
| 234 int fbWidth = rfb.framebufferWidth; | |
| 235 int fbHeight = rfb.framebufferHeight; | |
| 13 | 236 |
| 15 | 237 // Calculate scaling factor for auto scaling. |
| 238 if (maxWidth > 0 && maxHeight > 0) { | |
| 239 int f1 = maxWidth * 100 / fbWidth; | |
| 240 int f2 = maxHeight * 100 / fbHeight; | |
| 241 scalingFactor = Math.min(f1, f2); | |
| 242 if (scalingFactor > 100) | |
| 243 scalingFactor = 100; | |
| 244 System.out.println("Scaling desktop at " + scalingFactor + "%"); | |
| 245 } | |
| 246 | |
| 247 // Update scaled framebuffer geometry. | |
| 248 scaledWidth = (fbWidth * scalingFactor + 50) / 100; | |
| 249 scaledHeight = (fbHeight * scalingFactor + 50) / 100; | |
| 13 | 250 |
| 15 | 251 // Create new off-screen image either if it does not exist, or if |
| 252 // its geometry should be changed. It's not necessary to replace | |
| 253 // existing image if only pixel format should be changed. | |
| 26 | 254 /* |
| 15 | 255 if (memImage == null) { |
| 256 memImage = viewer.vncContainer.createImage(fbWidth, fbHeight); | |
| 257 memGraphics = memImage.getGraphics(); | |
| 258 } else if (memImage.getWidth(null) != fbWidth | |
| 259 || memImage.getHeight(null) != fbHeight) { | |
| 260 synchronized (memImage) { | |
| 261 memImage = viewer.vncContainer.createImage(fbWidth, fbHeight); | |
| 262 memGraphics = memImage.getGraphics(); | |
| 263 } | |
| 264 } | |
| 26 | 265 */ |
| 266 memImage = new BufferedImage(rfb.framebufferWidth, rfb.framebufferHeight, BufferedImage.TYPE_INT_RGB ); | |
| 267 memGraphics = memImage.getGraphics(); | |
| 268 | |
| 15 | 269 // Images with raw pixels should be re-allocated on every change |
| 270 // of geometry or pixel format. | |
| 271 if (bytesPixel == 1) { | |
| 272 | |
| 273 pixels24 = null; | |
| 274 pixels8 = new byte[fbWidth * fbHeight]; | |
| 275 | |
| 276 pixelsSource = new MemoryImageSource(fbWidth, fbHeight, cm8, | |
| 277 pixels8, 0, fbWidth); | |
| 278 | |
| 279 zrleTilePixels24 = null; | |
| 280 zrleTilePixels8 = new byte[64 * 64]; | |
| 13 | 281 |
| 15 | 282 } else { |
| 283 | |
| 284 pixels8 = null; | |
| 285 pixels24 = new int[fbWidth * fbHeight]; | |
| 13 | 286 |
| 15 | 287 pixelsSource = new MemoryImageSource(fbWidth, fbHeight, cm24, |
| 288 pixels24, 0, fbWidth); | |
| 289 | |
| 290 zrleTilePixels8 = null; | |
| 291 zrleTilePixels24 = new int[64 * 64]; | |
| 292 | |
| 293 } | |
| 294 pixelsSource.setAnimated(true); | |
| 26 | 295 rawPixelsImage = Toolkit.getDefaultToolkit().createImage(pixelsSource); |
| 296 // rawPixelsImage = (BufferedImage) Toolkit.getDefaultToolkit().createImage(pixelsSource); | |
| 297 | |
| 13 | 298 } |
| 299 | |
| 15 | 300 void resizeDesktopFrame() { |
| 301 setSize(scaledWidth, scaledHeight); | |
| 13 | 302 |
| 15 | 303 // FIXME: Find a better way to determine correct size of a |
| 304 // ScrollPane. -- const | |
| 305 Insets insets = viewer.desktopScrollPane.getInsets(); | |
| 306 viewer.desktopScrollPane.setSize( | |
| 307 scaledWidth + 2 * Math.min(insets.left, insets.right), | |
| 308 scaledHeight + 2 * Math.min(insets.top, insets.bottom)); | |
| 13 | 309 |
| 15 | 310 viewer.vncFrame.pack(); |
| 311 | |
| 312 // Try to limit the frame size to the screen size. | |
| 13 | 313 |
| 15 | 314 Dimension screenSize = viewer.vncFrame.getToolkit().getScreenSize(); |
| 315 Dimension frameSize = viewer.vncFrame.getSize(); | |
| 316 Dimension newSize = frameSize; | |
| 13 | 317 |
| 15 | 318 // Reduce Screen Size by 30 pixels in each direction; |
| 319 // This is a (poor) attempt to account for | |
| 320 // 1) Menu bar on Macintosh (should really also account for | |
| 321 // Dock on OSX). Usually 22px on top of screen. | |
| 322 // 2) Taxkbar on Windows (usually about 28 px on bottom) | |
| 323 // 3) Other obstructions. | |
| 13 | 324 |
| 15 | 325 screenSize.height -= 30; |
| 326 screenSize.width -= 30; | |
| 13 | 327 |
| 15 | 328 boolean needToResizeFrame = false; |
| 329 if (frameSize.height > screenSize.height) { | |
| 330 newSize.height = screenSize.height; | |
| 331 needToResizeFrame = true; | |
| 332 } | |
| 333 if (frameSize.width > screenSize.width) { | |
| 334 newSize.width = screenSize.width; | |
| 335 needToResizeFrame = true; | |
| 336 } | |
| 337 if (needToResizeFrame) { | |
| 338 viewer.vncFrame.setSize(newSize); | |
| 339 } | |
| 13 | 340 |
| 15 | 341 viewer.desktopScrollPane.doLayout(); |
| 13 | 342 } |
| 343 | |
| 344 // | |
| 15 | 345 // processNormalProtocol() - executed by the rfbThread to deal with the |
| 346 // RFB socket. | |
| 13 | 347 // |
| 348 | |
| 15 | 349 public void processNormalProtocol() throws Exception { |
| 350 | |
| 351 // Start/stop session recording if necessary. | |
| 352 viewer.checkRecordingStatus(); | |
| 353 | |
| 354 rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth, | |
| 355 rfb.framebufferHeight, false); | |
| 356 | |
| 357 resetStats(); | |
| 358 boolean statsRestarted = false; | |
| 359 | |
| 360 // | |
| 361 // main dispatch loop | |
| 362 // | |
| 66 | 363 |
| 26 | 364 long count = 0; |
| 15 | 365 while (true) { |
| 78 | 366 System.out.println("\ncount=" + count); |
| 367 | |
| 15 | 368 count++; |
| 369 | |
| 65 | 370 /** |
| 61 | 371 * read Data from parents and send Data to Client. |
| 372 */ | |
| 78 | 373 rfb.sendDataToClient(); |
| 374 | |
| 80 | 375 long numBytesRead = rfb.getNumBytesRead(); |
| 15 | 376 |
| 377 // Read message type from the server. | |
| 378 int msgType = rfb.readServerMessageType(); | |
| 379 | |
| 380 // Process the message depending on its type. | |
| 381 switch (msgType) { | |
| 77 | 382 case MyRfbProto.SpeedCheckMillis: |
| 383 rfb.readSpeedCheck(); | |
| 65 | 384 |
| 385 break; | |
| 15 | 386 case RfbProto.FramebufferUpdate: |
| 13 | 387 |
| 15 | 388 if (statNumUpdates == viewer.debugStatsExcludeUpdates |
| 389 && !statsRestarted) { | |
| 390 resetStats(); | |
| 391 statsRestarted = true; | |
| 392 } else if (statNumUpdates == viewer.debugStatsMeasureUpdates | |
| 393 && statsRestarted) { | |
| 394 viewer.disconnect(); | |
| 395 } | |
| 396 | |
| 397 rfb.readFramebufferUpdate(); | |
| 398 statNumUpdates++; | |
| 399 | |
| 400 boolean cursorPosReceived = false; | |
| 401 | |
| 402 for (int i = 0; i < rfb.updateNRects; i++) { | |
| 13 | 403 |
| 15 | 404 rfb.readFramebufferUpdateRectHdr(); |
| 405 statNumTotalRects++; | |
| 406 int rx = rfb.updateRectX, ry = rfb.updateRectY; | |
| 407 int rw = rfb.updateRectW, rh = rfb.updateRectH; | |
| 408 | |
| 409 if (rfb.updateRectEncoding == rfb.EncodingLastRect) | |
| 410 break; | |
| 411 | |
| 412 if (rfb.updateRectEncoding == rfb.EncodingNewFBSize) { | |
| 413 rfb.setFramebufferSize(rw, rh); | |
| 414 updateFramebufferSize(); | |
| 415 break; | |
| 416 } | |
| 417 | |
| 418 if (rfb.updateRectEncoding == rfb.EncodingXCursor | |
| 419 || rfb.updateRectEncoding == rfb.EncodingRichCursor) { | |
| 420 handleCursorShapeUpdate(rfb.updateRectEncoding, rx, ry, | |
| 421 rw, rh); | |
| 422 continue; | |
| 423 } | |
| 13 | 424 |
| 15 | 425 if (rfb.updateRectEncoding == rfb.EncodingPointerPos) { |
| 426 softCursorMove(rx, ry); | |
| 427 cursorPosReceived = true; | |
| 428 continue; | |
| 429 } | |
| 13 | 430 |
| 15 | 431 long numBytesReadBefore = rfb.getNumBytesRead(); |
| 432 | |
| 433 rfb.startTiming(); | |
| 13 | 434 |
| 15 | 435 switch (rfb.updateRectEncoding) { |
| 436 case RfbProto.EncodingRaw: | |
| 437 statNumRectsRaw++; | |
| 438 handleRawRect(rx, ry, rw, rh); | |
| 439 break; | |
| 440 case RfbProto.EncodingCopyRect: | |
| 441 statNumRectsCopy++; | |
| 442 handleCopyRect(rx, ry, rw, rh); | |
| 443 break; | |
| 444 case RfbProto.EncodingRRE: | |
| 445 handleRRERect(rx, ry, rw, rh); | |
| 446 break; | |
| 447 case RfbProto.EncodingCoRRE: | |
| 448 handleCoRRERect(rx, ry, rw, rh); | |
| 449 break; | |
| 450 case RfbProto.EncodingHextile: | |
| 451 statNumRectsHextile++; | |
| 452 handleHextileRect(rx, ry, rw, rh); | |
| 453 break; | |
| 454 case RfbProto.EncodingZRLE: | |
| 108 | 455 case RfbProto.EncodingZRLEE: |
| 15 | 456 statNumRectsZRLE++; |
| 457 handleZRLERect(rx, ry, rw, rh); | |
| 458 break; | |
| 459 case RfbProto.EncodingZlib: | |
| 460 handleZlibRect(rx, ry, rw, rh); | |
| 461 break; | |
| 462 case RfbProto.EncodingTight: | |
| 463 statNumRectsTight++; | |
| 464 handleTightRect(rx, ry, rw, rh); | |
| 465 break; | |
| 466 default: | |
| 467 throw new Exception("Unknown RFB rectangle encoding " | |
| 468 + rfb.updateRectEncoding); | |
| 469 } | |
| 13 | 470 |
| 15 | 471 rfb.stopTiming(); |
| 472 | |
| 473 statNumPixelRects++; | |
| 474 statNumBytesDecoded += rw * rh * bytesPixel; | |
| 475 statNumBytesEncoded += (int) (rfb.getNumBytesRead() - numBytesReadBefore); | |
| 476 } | |
| 477 | |
| 478 boolean fullUpdateNeeded = false; | |
| 13 | 479 |
| 15 | 480 // Start/stop session recording if necessary. Request full |
| 481 // update if a new session file was opened. | |
| 482 if (viewer.checkRecordingStatus()) | |
| 483 fullUpdateNeeded = true; | |
| 13 | 484 |
| 15 | 485 // Defer framebuffer update request if necessary. But wake up |
| 486 // immediately on keyboard or mouse event. Also, don't sleep | |
| 487 // if there is some data to receive, or if the last update | |
| 488 // included a PointerPos message. | |
| 489 if (viewer.deferUpdateRequests > 0 && rfb.available() == 0 | |
| 490 && !cursorPosReceived) { | |
| 491 synchronized (rfb) { | |
| 492 try { | |
| 493 rfb.wait(viewer.deferUpdateRequests); | |
| 494 } catch (InterruptedException e) { | |
| 495 } | |
| 13 | 496 } |
| 497 } | |
| 15 | 498 |
| 499 viewer.autoSelectEncodings(); | |
| 500 | |
| 501 // Before requesting framebuffer update, check if the pixel | |
| 502 // format should be changed. | |
| 503 /* | |
| 504 if (viewer.options.eightBitColors != (bytesPixel == 1)) { | |
| 505 // Pixel format should be changed. | |
| 506 setPixelFormat(); | |
| 507 fullUpdateNeeded = true; | |
| 508 } | |
| 65 | 509 */ |
| 15 | 510 // Request framebuffer update if needed. |
| 511 int w = rfb.framebufferWidth; | |
| 512 int h = rfb.framebufferHeight; | |
| 513 rfb.writeFramebufferUpdateRequest(0, 0, w, h, !fullUpdateNeeded); | |
| 514 | |
| 515 break; | |
| 516 | |
| 517 case RfbProto.SetColourMapEntries: | |
| 518 throw new Exception("Can't handle SetColourMapEntries message"); | |
| 519 | |
| 520 case RfbProto.Bell: | |
| 521 Toolkit.getDefaultToolkit().beep(); | |
| 522 break; | |
| 523 | |
| 524 case RfbProto.ServerCutText: | |
| 525 String s = rfb.readServerCutText(); | |
| 526 viewer.clipboard.setCutText(s); | |
| 527 break; | |
| 528 | |
| 529 default: | |
| 530 throw new Exception("Unknown RFB message type " + msgType); | |
| 531 } | |
| 26 | 532 |
| 80 | 533 int bufSize = (int)(rfb.getNumBytesRead() - numBytesRead); |
| 27 | 534 // System.out.println("bufSize="+bufSize); |
| 39 | 535 // rfb.bufResetSend(bufSize); |
| 25 | 536 |
| 42 | 537 |
| 538 | |
| 27 | 539 if(rfb.createBimgFlag){ |
| 30 | 540 // bimg = createBufferedImage(rawPixelsImage); |
| 541 bimg = createBufferedImage(memImage); | |
| 27 | 542 //bimg(BufferedImage) -> rfb.pngBytes(byte[]) |
| 543 rfb.createPngBytes(bimg); | |
| 544 rfb.sendPngImage(); | |
| 545 rfb.createBimgFlag = false; | |
| 546 } | |
| 42 | 547 |
| 27 | 548 |
| 26 | 549 /* |
| 550 boolean result = false; | |
| 551 try{ | |
| 552 result = ImageIO.write(bimg, "png", new File("sample.png")); | |
| 553 }catch(Exception e){ | |
| 554 e.printStackTrace(); | |
| 555 result = false; | |
| 556 } | |
| 557 */ | |
| 15 | 558 } |
| 559 } | |
| 560 | |
| 561 // | |
| 562 // Handle a raw rectangle. The second form with paint==false is used | |
| 563 // by the Hextile decoder for raw-encoded tiles. | |
| 564 // | |
| 565 | |
| 566 void handleRawRect(int x, int y, int w, int h) throws IOException { | |
| 567 handleRawRect(x, y, w, h, true); | |
| 568 } | |
| 569 | |
| 570 void handleRawRect(int x, int y, int w, int h, boolean paint) | |
| 571 throws IOException { | |
| 572 | |
| 573 if (bytesPixel == 1) { | |
| 574 for (int dy = y; dy < y + h; dy++) { | |
| 575 rfb.readFully(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 576 if (rfb.rec != null) { | |
| 577 rfb.rec.write(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 578 } | |
| 579 } | |
| 580 } else { | |
| 581 byte[] buf = new byte[w * 4]; | |
| 582 int i, offset; | |
| 583 for (int dy = y; dy < y + h; dy++) { | |
| 584 rfb.readFully(buf); | |
| 585 if (rfb.rec != null) { | |
| 586 rfb.rec.write(buf); | |
| 587 } | |
| 25 | 588 |
| 589 offset = dy * rfb.framebufferWidth + x; | |
| 590 for (i = 0; i < w; i++) { | |
| 591 pixels24[offset + i] = (buf[i * 4 + 2] & 0xFF) << 16 | | |
| 592 (buf[i * 4 + 1] & 0xFF) << 8 | | |
| 593 (buf[i * 4] & 0xFF); | |
| 594 } | |
| 595 | |
| 13 | 596 } |
| 597 } | |
| 26 | 598 |
| 25 | 599 handleUpdatedPixels(x, y, w, h); |
| 26 | 600 // if (paint) scheduleRepaint(x, y, w, h); |
| 601 | |
| 15 | 602 } |
| 603 | |
| 604 // | |
| 605 // Handle a CopyRect rectangle. | |
| 606 // | |
| 607 | |
| 608 void handleCopyRect(int x, int y, int w, int h) throws IOException { | |
| 609 | |
| 610 rfb.readCopyRect(); | |
| 611 memGraphics.copyArea(rfb.copyRectSrcX, rfb.copyRectSrcY, w, h, x | |
| 612 - rfb.copyRectSrcX, y - rfb.copyRectSrcY); | |
| 613 | |
| 614 scheduleRepaint(x, y, w, h); | |
| 615 } | |
| 616 | |
| 617 // | |
| 618 // Handle an RRE-encoded rectangle. | |
| 619 // | |
| 620 | |
| 621 void handleRRERect(int x, int y, int w, int h) throws IOException { | |
| 622 | |
| 623 int nSubrects = rfb.readU32(); | |
| 13 | 624 |
| 15 | 625 byte[] bg_buf = new byte[bytesPixel]; |
| 626 rfb.readFully(bg_buf); | |
| 627 Color pixel; | |
| 628 if (bytesPixel == 1) { | |
| 629 pixel = colors[bg_buf[0] & 0xFF]; | |
| 630 } else { | |
| 631 pixel = new Color(bg_buf[2] & 0xFF, bg_buf[1] & 0xFF, | |
| 632 bg_buf[0] & 0xFF); | |
| 633 } | |
| 634 memGraphics.setColor(pixel); | |
| 635 memGraphics.fillRect(x, y, w, h); | |
| 636 | |
| 637 byte[] buf = new byte[nSubrects * (bytesPixel + 8)]; | |
| 638 rfb.readFully(buf); | |
| 639 DataInputStream ds = new DataInputStream(new ByteArrayInputStream(buf)); | |
| 640 | |
| 641 if (rfb.rec != null) { | |
| 642 rfb.rec.writeIntBE(nSubrects); | |
| 643 rfb.rec.write(bg_buf); | |
| 644 rfb.rec.write(buf); | |
| 645 } | |
| 646 | |
| 647 int sx, sy, sw, sh; | |
| 648 | |
| 649 for (int j = 0; j < nSubrects; j++) { | |
| 650 if (bytesPixel == 1) { | |
| 651 pixel = colors[ds.readUnsignedByte()]; | |
| 652 } else { | |
| 653 ds.skip(4); | |
| 654 pixel = new Color(buf[j * 12 + 2] & 0xFF, | |
| 655 buf[j * 12 + 1] & 0xFF, buf[j * 12] & 0xFF); | |
| 656 } | |
| 657 sx = x + ds.readUnsignedShort(); | |
| 658 sy = y + ds.readUnsignedShort(); | |
| 659 sw = ds.readUnsignedShort(); | |
| 660 sh = ds.readUnsignedShort(); | |
| 661 | |
| 662 memGraphics.setColor(pixel); | |
| 663 memGraphics.fillRect(sx, sy, sw, sh); | |
| 664 } | |
| 665 | |
| 666 scheduleRepaint(x, y, w, h); | |
| 667 } | |
| 13 | 668 |
| 15 | 669 // |
| 670 // Handle a CoRRE-encoded rectangle. | |
| 671 // | |
| 672 | |
| 673 void handleCoRRERect(int x, int y, int w, int h) throws IOException { | |
| 674 int nSubrects = rfb.readU32(); | |
| 675 | |
| 676 byte[] bg_buf = new byte[bytesPixel]; | |
| 677 rfb.readFully(bg_buf); | |
| 678 Color pixel; | |
| 679 if (bytesPixel == 1) { | |
| 680 pixel = colors[bg_buf[0] & 0xFF]; | |
| 681 } else { | |
| 682 pixel = new Color(bg_buf[2] & 0xFF, bg_buf[1] & 0xFF, | |
| 683 bg_buf[0] & 0xFF); | |
| 684 } | |
| 685 memGraphics.setColor(pixel); | |
| 686 memGraphics.fillRect(x, y, w, h); | |
| 687 | |
| 688 byte[] buf = new byte[nSubrects * (bytesPixel + 4)]; | |
| 689 rfb.readFully(buf); | |
| 690 | |
| 691 if (rfb.rec != null) { | |
| 692 rfb.rec.writeIntBE(nSubrects); | |
| 693 rfb.rec.write(bg_buf); | |
| 694 rfb.rec.write(buf); | |
| 695 } | |
| 696 | |
| 697 int sx, sy, sw, sh; | |
| 698 int i = 0; | |
| 13 | 699 |
| 15 | 700 for (int j = 0; j < nSubrects; j++) { |
| 701 if (bytesPixel == 1) { | |
| 702 pixel = colors[buf[i++] & 0xFF]; | |
| 703 } else { | |
| 704 pixel = new Color(buf[i + 2] & 0xFF, buf[i + 1] & 0xFF, | |
| 705 buf[i] & 0xFF); | |
| 706 i += 4; | |
| 707 } | |
| 708 sx = x + (buf[i++] & 0xFF); | |
| 709 sy = y + (buf[i++] & 0xFF); | |
| 710 sw = buf[i++] & 0xFF; | |
| 711 sh = buf[i++] & 0xFF; | |
| 712 | |
| 713 memGraphics.setColor(pixel); | |
| 714 memGraphics.fillRect(sx, sy, sw, sh); | |
| 715 } | |
| 716 | |
| 717 scheduleRepaint(x, y, w, h); | |
| 718 } | |
| 719 | |
| 720 // | |
| 721 // Handle a Hextile-encoded rectangle. | |
| 722 // | |
| 723 | |
| 724 // These colors should be kept between handleHextileSubrect() calls. | |
| 725 private Color hextile_bg, hextile_fg; | |
| 726 | |
| 727 void handleHextileRect(int x, int y, int w, int h) throws IOException { | |
| 728 | |
| 729 hextile_bg = new Color(0); | |
| 730 hextile_fg = new Color(0); | |
| 731 | |
| 732 for (int ty = y; ty < y + h; ty += 16) { | |
| 733 int th = 16; | |
| 734 if (y + h - ty < 16) | |
| 735 th = y + h - ty; | |
| 736 | |
| 737 for (int tx = x; tx < x + w; tx += 16) { | |
| 738 int tw = 16; | |
| 739 if (x + w - tx < 16) | |
| 740 tw = x + w - tx; | |
| 741 | |
| 742 handleHextileSubrect(tx, ty, tw, th); | |
| 13 | 743 } |
| 744 | |
| 15 | 745 // Finished with a row of tiles, now let's show it. |
| 746 scheduleRepaint(x, y, w, h); | |
| 747 } | |
| 748 } | |
| 749 | |
| 750 // | |
| 751 // Handle one tile in the Hextile-encoded data. | |
| 752 // | |
| 753 | |
| 754 void handleHextileSubrect(int tx, int ty, int tw, int th) | |
| 755 throws IOException { | |
| 756 | |
| 757 int subencoding = rfb.readU8(); | |
| 758 if (rfb.rec != null) { | |
| 759 rfb.rec.writeByte(subencoding); | |
| 760 } | |
| 13 | 761 |
| 15 | 762 // Is it a raw-encoded sub-rectangle? |
| 763 if ((subencoding & rfb.HextileRaw) != 0) { | |
| 764 handleRawRect(tx, ty, tw, th, false); | |
| 765 return; | |
| 766 } | |
| 13 | 767 |
| 15 | 768 // Read and draw the background if specified. |
| 769 byte[] cbuf = new byte[bytesPixel]; | |
| 770 if ((subencoding & rfb.HextileBackgroundSpecified) != 0) { | |
| 771 rfb.readFully(cbuf); | |
| 772 if (bytesPixel == 1) { | |
| 773 hextile_bg = colors[cbuf[0] & 0xFF]; | |
| 774 } else { | |
| 775 hextile_bg = new Color(cbuf[2] & 0xFF, cbuf[1] & 0xFF, | |
| 776 cbuf[0] & 0xFF); | |
| 777 } | |
| 778 if (rfb.rec != null) { | |
| 779 rfb.rec.write(cbuf); | |
| 780 } | |
| 781 } | |
| 782 memGraphics.setColor(hextile_bg); | |
| 783 memGraphics.fillRect(tx, ty, tw, th); | |
| 13 | 784 |
| 15 | 785 // Read the foreground color if specified. |
| 786 if ((subencoding & rfb.HextileForegroundSpecified) != 0) { | |
| 787 rfb.readFully(cbuf); | |
| 788 if (bytesPixel == 1) { | |
| 789 hextile_fg = colors[cbuf[0] & 0xFF]; | |
| 790 } else { | |
| 791 hextile_fg = new Color(cbuf[2] & 0xFF, cbuf[1] & 0xFF, | |
| 792 cbuf[0] & 0xFF); | |
| 793 } | |
| 794 if (rfb.rec != null) { | |
| 795 rfb.rec.write(cbuf); | |
| 796 } | |
| 797 } | |
| 798 | |
| 799 // Done with this tile if there is no sub-rectangles. | |
| 800 if ((subencoding & rfb.HextileAnySubrects) == 0) | |
| 801 return; | |
| 13 | 802 |
| 15 | 803 int nSubrects = rfb.readU8(); |
| 804 int bufsize = nSubrects * 2; | |
| 805 if ((subencoding & rfb.HextileSubrectsColoured) != 0) { | |
| 806 bufsize += nSubrects * bytesPixel; | |
| 807 } | |
| 808 byte[] buf = new byte[bufsize]; | |
| 809 rfb.readFully(buf); | |
| 810 if (rfb.rec != null) { | |
| 811 rfb.rec.writeByte(nSubrects); | |
| 812 rfb.rec.write(buf); | |
| 813 } | |
| 814 | |
| 815 int b1, b2, sx, sy, sw, sh; | |
| 816 int i = 0; | |
| 817 | |
| 818 if ((subencoding & rfb.HextileSubrectsColoured) == 0) { | |
| 819 | |
| 820 // Sub-rectangles are all of the same color. | |
| 821 memGraphics.setColor(hextile_fg); | |
| 822 for (int j = 0; j < nSubrects; j++) { | |
| 823 b1 = buf[i++] & 0xFF; | |
| 824 b2 = buf[i++] & 0xFF; | |
| 825 sx = tx + (b1 >> 4); | |
| 826 sy = ty + (b1 & 0xf); | |
| 827 sw = (b2 >> 4) + 1; | |
| 828 sh = (b2 & 0xf) + 1; | |
| 829 memGraphics.fillRect(sx, sy, sw, sh); | |
| 830 } | |
| 831 } else if (bytesPixel == 1) { | |
| 13 | 832 |
| 15 | 833 // BGR233 (8-bit color) version for colored sub-rectangles. |
| 834 for (int j = 0; j < nSubrects; j++) { | |
| 835 hextile_fg = colors[buf[i++] & 0xFF]; | |
| 836 b1 = buf[i++] & 0xFF; | |
| 837 b2 = buf[i++] & 0xFF; | |
| 838 sx = tx + (b1 >> 4); | |
| 839 sy = ty + (b1 & 0xf); | |
| 840 sw = (b2 >> 4) + 1; | |
| 841 sh = (b2 & 0xf) + 1; | |
| 842 memGraphics.setColor(hextile_fg); | |
| 843 memGraphics.fillRect(sx, sy, sw, sh); | |
| 844 } | |
| 845 | |
| 846 } else { | |
| 847 | |
| 848 // Full-color (24-bit) version for colored sub-rectangles. | |
| 849 for (int j = 0; j < nSubrects; j++) { | |
| 850 hextile_fg = new Color(buf[i + 2] & 0xFF, buf[i + 1] & 0xFF, | |
| 851 buf[i] & 0xFF); | |
| 852 i += 4; | |
| 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 } | |
| 864 } | |
| 865 | |
| 866 // | |
| 867 // Handle a ZRLE-encoded rectangle. | |
| 868 // | |
| 869 // FIXME: Currently, session recording is not fully supported for ZRLE. | |
| 870 // | |
| 871 | |
| 872 void handleZRLERect(int x, int y, int w, int h) throws Exception { | |
| 873 | |
| 874 if (zrleInStream == null) | |
| 875 zrleInStream = new ZlibInStream(); | |
| 13 | 876 |
| 15 | 877 int nBytes = rfb.readU32(); |
| 878 if (nBytes > 64 * 1024 * 1024) | |
| 879 throw new Exception("ZRLE decoder: illegal compressed data size"); | |
| 880 | |
| 881 if (zrleBuf == null || zrleBufLen < nBytes) { | |
| 882 zrleBufLen = nBytes + 4096; | |
| 883 zrleBuf = new byte[zrleBufLen]; | |
| 884 } | |
| 885 | |
| 886 // FIXME: Do not wait for all the data before decompression. | |
| 887 rfb.readFully(zrleBuf, 0, nBytes); | |
| 888 | |
| 889 if (rfb.rec != null) { | |
| 890 if (rfb.recordFromBeginning) { | |
| 891 rfb.rec.writeIntBE(nBytes); | |
| 892 rfb.rec.write(zrleBuf, 0, nBytes); | |
| 893 } else if (!zrleRecWarningShown) { | |
| 894 System.out.println("Warning: ZRLE session can be recorded" | |
| 895 + " only from the beginning"); | |
| 896 System.out.println("Warning: Recorded file may be corrupted"); | |
| 897 zrleRecWarningShown = true; | |
| 898 } | |
| 13 | 899 |
| 15 | 900 } |
| 901 | |
| 902 zrleInStream.setUnderlying(new MemInStream(zrleBuf, 0, nBytes), nBytes); | |
| 903 | |
| 904 for (int ty = y; ty < y + h; ty += 64) { | |
| 905 | |
| 906 int th = Math.min(y + h - ty, 64); | |
| 907 | |
| 908 for (int tx = x; tx < x + w; tx += 64) { | |
| 909 | |
| 910 int tw = Math.min(x + w - tx, 64); | |
| 911 | |
| 912 int mode = zrleInStream.readU8(); | |
| 913 boolean rle = (mode & 128) != 0; | |
| 914 int palSize = mode & 127; | |
| 915 int[] palette = new int[128]; | |
| 916 | |
| 917 readZrlePalette(palette, palSize); | |
| 918 | |
| 919 if (palSize == 1) { | |
| 920 int pix = palette[0]; | |
| 921 Color c = (bytesPixel == 1) ? colors[pix] : new Color( | |
| 922 0xFF000000 | pix); | |
| 923 memGraphics.setColor(c); | |
| 924 memGraphics.fillRect(tx, ty, tw, th); | |
| 13 | 925 continue; |
| 926 } | |
| 927 | |
| 15 | 928 if (!rle) { |
| 929 if (palSize == 0) { | |
| 930 readZrleRawPixels(tw, th); | |
| 931 } else { | |
| 932 readZrlePackedPixels(tw, th, palette, palSize); | |
| 933 } | |
| 934 } else { | |
| 935 if (palSize == 0) { | |
| 936 readZrlePlainRLEPixels(tw, th); | |
| 937 } else { | |
| 938 readZrlePackedRLEPixels(tw, th, palette); | |
| 13 | 939 } |
| 940 } | |
| 15 | 941 handleUpdatedZrleTile(tx, ty, tw, th); |
| 13 | 942 } |
| 943 } | |
| 944 | |
| 15 | 945 zrleInStream.reset(); |
| 13 | 946 |
| 15 | 947 scheduleRepaint(x, y, w, h); |
| 13 | 948 } |
| 949 | |
| 15 | 950 int readPixel(InStream is) throws Exception { |
| 951 int pix; | |
| 13 | 952 |
| 15 | 953 if (bytesPixel == 1) { |
| 13 | 954 |
| 15 | 955 pix = is.readU8(); |
| 13 | 956 } else { |
| 15 | 957 int p1 = is.readU8(); |
| 958 int p2 = is.readU8(); | |
| 959 int p3 = is.readU8(); | |
| 960 pix = (p3 & 0xFF) << 16 | (p2 & 0xFF) << 8 | (p1 & 0xFF); | |
| 13 | 961 } |
| 15 | 962 return pix; |
| 13 | 963 } |
| 964 | |
| 15 | 965 void readPixels(InStream is, int[] dst, int count) throws Exception { |
| 966 int pix; | |
| 13 | 967 if (bytesPixel == 1) { |
| 15 | 968 byte[] buf = new byte[count]; |
| 969 is.readBytes(buf, 0, count); | |
| 970 for (int i = 0; i < count; i++) { | |
| 971 dst[i] = (int) buf[i] & 0xFF; | |
| 972 } | |
| 13 | 973 } else { |
| 15 | 974 byte[] buf = new byte[count * 3]; |
| 975 is.readBytes(buf, 0, count * 3); | |
| 976 for (int i = 0; i < count; i++) { | |
| 977 dst[i] = ((buf[i * 3 + 2] & 0xFF) << 16 | |
| 978 | (buf[i * 3 + 1] & 0xFF) << 8 | (buf[i * 3] & 0xFF)); | |
| 979 } | |
| 13 | 980 } |
| 981 } | |
| 982 | |
| 15 | 983 void readZrlePalette(int[] palette, int palSize) throws Exception { |
| 984 readPixels(zrleInStream, palette, palSize); | |
| 13 | 985 } |
| 986 | |
| 15 | 987 void readZrleRawPixels(int tw, int th) throws Exception { |
| 988 if (bytesPixel == 1) { | |
| 989 zrleInStream.readBytes(zrleTilePixels8, 0, tw * th); | |
| 990 } else { | |
| 991 readPixels(zrleInStream, zrleTilePixels24, tw * th); // / | |
| 13 | 992 } |
| 993 } | |
| 994 | |
| 15 | 995 void readZrlePackedPixels(int tw, int th, int[] palette, int palSize) |
| 996 throws Exception { | |
| 13 | 997 |
| 15 | 998 int bppp = ((palSize > 16) ? 8 : ((palSize > 4) ? 4 |
| 999 : ((palSize > 2) ? 2 : 1))); | |
| 1000 int ptr = 0; | |
| 1001 | |
| 1002 for (int i = 0; i < th; i++) { | |
| 1003 int eol = ptr + tw; | |
| 1004 int b = 0; | |
| 1005 int nbits = 0; | |
| 13 | 1006 |
| 15 | 1007 while (ptr < eol) { |
| 1008 if (nbits == 0) { | |
| 1009 b = zrleInStream.readU8(); | |
| 1010 nbits = 8; | |
| 1011 } | |
| 1012 nbits -= bppp; | |
| 1013 int index = (b >> nbits) & ((1 << bppp) - 1) & 127; | |
| 1014 if (bytesPixel == 1) { | |
| 1015 zrleTilePixels8[ptr++] = (byte) palette[index]; | |
| 1016 } else { | |
| 1017 zrleTilePixels24[ptr++] = palette[index]; | |
| 1018 } | |
| 13 | 1019 } |
| 1020 } | |
| 1021 } | |
| 1022 | |
| 15 | 1023 void readZrlePlainRLEPixels(int tw, int th) throws Exception { |
| 1024 int ptr = 0; | |
| 1025 int end = ptr + tw * th; | |
| 1026 while (ptr < end) { | |
| 1027 int pix = readPixel(zrleInStream); | |
| 1028 int len = 1; | |
| 13 | 1029 int b; |
| 1030 do { | |
| 1031 b = zrleInStream.readU8(); | |
| 1032 len += b; | |
| 1033 } while (b == 255); | |
| 1034 | |
| 1035 if (!(len <= end - ptr)) | |
| 1036 throw new Exception("ZRLE decoder: assertion failed" | |
| 15 | 1037 + " (len <= end-ptr)"); |
| 13 | 1038 |
| 15 | 1039 if (bytesPixel == 1) { |
| 1040 while (len-- > 0) | |
| 1041 zrleTilePixels8[ptr++] = (byte) pix; | |
| 1042 } else { | |
| 1043 while (len-- > 0) | |
| 1044 zrleTilePixels24[ptr++] = pix; | |
| 1045 } | |
| 13 | 1046 } |
| 1047 } | |
| 1048 | |
| 15 | 1049 void readZrlePackedRLEPixels(int tw, int th, int[] palette) |
| 1050 throws Exception { | |
| 13 | 1051 |
| 15 | 1052 int ptr = 0; |
| 1053 int end = ptr + tw * th; | |
| 1054 while (ptr < end) { | |
| 1055 int index = zrleInStream.readU8(); | |
| 1056 int len = 1; | |
| 1057 if ((index & 128) != 0) { | |
| 1058 int b; | |
| 1059 do { | |
| 1060 b = zrleInStream.readU8(); | |
| 1061 len += b; | |
| 1062 } while (b == 255); | |
| 13 | 1063 |
| 15 | 1064 if (!(len <= end - ptr)) |
| 1065 throw new Exception("ZRLE decoder: assertion failed" | |
| 1066 + " (len <= end - ptr)"); | |
| 1067 } | |
| 13 | 1068 |
| 15 | 1069 index &= 127; |
| 1070 int pix = palette[index]; | |
| 13 | 1071 |
| 15 | 1072 if (bytesPixel == 1) { |
| 1073 while (len-- > 0) | |
| 1074 zrleTilePixels8[ptr++] = (byte) pix; | |
| 1075 } else { | |
| 1076 while (len-- > 0) | |
| 1077 zrleTilePixels24[ptr++] = pix; | |
| 13 | 1078 } |
| 1079 } | |
| 1080 } | |
| 1081 | |
| 15 | 1082 // |
| 1083 // Copy pixels from zrleTilePixels8 or zrleTilePixels24, then update. | |
| 1084 // | |
| 13 | 1085 |
| 15 | 1086 void handleUpdatedZrleTile(int x, int y, int w, int h) { |
| 1087 Object src, dst; | |
| 1088 if (bytesPixel == 1) { | |
| 1089 src = zrleTilePixels8; | |
| 1090 dst = pixels8; | |
| 13 | 1091 } else { |
| 15 | 1092 src = zrleTilePixels24; |
| 1093 dst = pixels24; | |
| 13 | 1094 } |
| 15 | 1095 int offsetSrc = 0; |
| 1096 int offsetDst = (y * rfb.framebufferWidth + x); | |
| 1097 for (int j = 0; j < h; j++) { | |
| 1098 System.arraycopy(src, offsetSrc, dst, offsetDst, w); | |
| 1099 offsetSrc += w; | |
| 1100 offsetDst += rfb.framebufferWidth; | |
| 1101 } | |
| 1102 handleUpdatedPixels(x, y, w, h); | |
| 13 | 1103 } |
| 1104 | |
| 15 | 1105 // |
| 1106 // Handle a Zlib-encoded rectangle. | |
| 1107 // | |
| 1108 | |
| 1109 void handleZlibRect(int x, int y, int w, int h) throws Exception { | |
| 1110 | |
| 1111 int nBytes = rfb.readU32(); | |
| 13 | 1112 |
| 15 | 1113 if (zlibBuf == null || zlibBufLen < nBytes) { |
| 1114 zlibBufLen = nBytes * 2; | |
| 1115 zlibBuf = new byte[zlibBufLen]; | |
| 1116 } | |
| 1117 | |
| 1118 rfb.readFully(zlibBuf, 0, nBytes); | |
| 13 | 1119 |
| 15 | 1120 if (rfb.rec != null && rfb.recordFromBeginning) { |
| 1121 rfb.rec.writeIntBE(nBytes); | |
| 1122 rfb.rec.write(zlibBuf, 0, nBytes); | |
| 1123 } | |
| 1124 | |
| 1125 if (zlibInflater == null) { | |
| 1126 zlibInflater = new Inflater(); | |
| 1127 } | |
| 1128 zlibInflater.setInput(zlibBuf, 0, nBytes); | |
| 13 | 1129 |
| 1130 if (bytesPixel == 1) { | |
| 15 | 1131 for (int dy = y; dy < y + h; dy++) { |
| 1132 zlibInflater.inflate(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 1133 if (rfb.rec != null && !rfb.recordFromBeginning) | |
| 1134 rfb.rec.write(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 13 | 1135 } |
| 1136 } else { | |
| 15 | 1137 byte[] buf = new byte[w * 4]; |
| 1138 int i, offset; | |
| 1139 for (int dy = y; dy < y + h; dy++) { | |
| 1140 zlibInflater.inflate(buf); | |
| 1141 offset = dy * rfb.framebufferWidth + x; | |
| 1142 for (i = 0; i < w; i++) { | |
| 1143 pixels24[offset + i] = (buf[i * 4 + 2] & 0xFF) << 16 | |
| 1144 | (buf[i * 4 + 1] & 0xFF) << 8 | |
| 1145 | (buf[i * 4] & 0xFF); | |
| 1146 } | |
| 1147 if (rfb.rec != null && !rfb.recordFromBeginning) | |
| 1148 rfb.rec.write(buf); | |
| 13 | 1149 } |
| 1150 } | |
| 15 | 1151 |
| 1152 handleUpdatedPixels(x, y, w, h); | |
| 13 | 1153 scheduleRepaint(x, y, w, h); |
| 1154 } | |
| 1155 | |
| 15 | 1156 // |
| 1157 // Handle a Tight-encoded rectangle. | |
| 1158 // | |
| 13 | 1159 |
| 15 | 1160 void handleTightRect(int x, int y, int w, int h) throws Exception { |
| 13 | 1161 |
| 15 | 1162 int comp_ctl = rfb.readU8(); |
| 1163 if (rfb.rec != null) { | |
| 1164 if (rfb.recordFromBeginning || comp_ctl == (rfb.TightFill << 4) | |
| 1165 || comp_ctl == (rfb.TightJpeg << 4)) { | |
| 1166 // Send data exactly as received. | |
| 1167 rfb.rec.writeByte(comp_ctl); | |
| 1168 } else { | |
| 1169 // Tell the decoder to flush each of the four zlib streams. | |
| 1170 rfb.rec.writeByte(comp_ctl | 0x0F); | |
| 13 | 1171 } |
| 1172 } | |
| 1173 | |
| 15 | 1174 // Flush zlib streams if we are told by the server to do so. |
| 1175 for (int stream_id = 0; stream_id < 4; stream_id++) { | |
| 1176 if ((comp_ctl & 1) != 0 && tightInflaters[stream_id] != null) { | |
| 1177 tightInflaters[stream_id] = null; | |
| 1178 } | |
| 1179 comp_ctl >>= 1; | |
| 1180 } | |
| 13 | 1181 |
| 15 | 1182 // Check correctness of subencoding value. |
| 1183 if (comp_ctl > rfb.TightMaxSubencoding) { | |
| 1184 throw new Exception("Incorrect tight subencoding: " + comp_ctl); | |
| 13 | 1185 } |
| 15 | 1186 |
| 1187 // Handle solid-color rectangles. | |
| 1188 if (comp_ctl == rfb.TightFill) { | |
| 1189 | |
| 13 | 1190 if (bytesPixel == 1) { |
| 15 | 1191 int idx = rfb.readU8(); |
| 1192 memGraphics.setColor(colors[idx]); | |
| 13 | 1193 if (rfb.rec != null) { |
| 15 | 1194 rfb.rec.writeByte(idx); |
| 13 | 1195 } |
| 1196 } else { | |
| 15 | 1197 byte[] buf = new byte[3]; |
| 1198 rfb.readFully(buf); | |
| 1199 if (rfb.rec != null) { | |
| 1200 rfb.rec.write(buf); | |
| 1201 } | |
| 1202 Color bg = new Color(0xFF000000 | (buf[0] & 0xFF) << 16 | |
| 1203 | (buf[1] & 0xFF) << 8 | (buf[2] & 0xFF)); | |
| 1204 memGraphics.setColor(bg); | |
| 1205 } | |
| 1206 memGraphics.fillRect(x, y, w, h); | |
| 1207 scheduleRepaint(x, y, w, h); | |
| 1208 return; | |
| 1209 | |
| 1210 } | |
| 1211 | |
| 1212 if (comp_ctl == rfb.TightJpeg) { | |
| 1213 | |
| 1214 statNumRectsTightJPEG++; | |
| 1215 | |
| 1216 // Read JPEG data. | |
| 1217 byte[] jpegData = new byte[rfb.readCompactLen()]; | |
| 1218 rfb.readFully(jpegData); | |
| 1219 if (rfb.rec != null) { | |
| 1220 if (!rfb.recordFromBeginning) { | |
| 1221 rfb.recordCompactLen(jpegData.length); | |
| 1222 } | |
| 1223 rfb.rec.write(jpegData); | |
| 1224 } | |
| 1225 | |
| 1226 // Create an Image object from the JPEG data. | |
| 1227 Image jpegImage = Toolkit.getDefaultToolkit().createImage(jpegData); | |
| 1228 | |
| 1229 // Remember the rectangle where the image should be drawn. | |
| 1230 jpegRect = new Rectangle(x, y, w, h); | |
| 1231 | |
| 1232 // Let the imageUpdate() method do the actual drawing, here just | |
| 1233 // wait until the image is fully loaded and drawn. | |
| 1234 synchronized (jpegRect) { | |
| 1235 Toolkit.getDefaultToolkit().prepareImage(jpegImage, -1, -1, | |
| 1236 this); | |
| 1237 try { | |
| 1238 // Wait no longer than three seconds. | |
| 1239 jpegRect.wait(3000); | |
| 1240 } catch (InterruptedException e) { | |
| 1241 throw new Exception("Interrupted while decoding JPEG image"); | |
| 1242 } | |
| 1243 } | |
| 1244 | |
| 1245 // Done, jpegRect is not needed any more. | |
| 1246 jpegRect = null; | |
| 1247 return; | |
| 1248 | |
| 1249 } | |
| 1250 | |
| 1251 // Read filter id and parameters. | |
| 1252 int numColors = 0, rowSize = w; | |
| 1253 byte[] palette8 = new byte[2]; | |
| 1254 int[] palette24 = new int[256]; | |
| 1255 boolean useGradient = false; | |
| 1256 if ((comp_ctl & rfb.TightExplicitFilter) != 0) { | |
| 1257 int filter_id = rfb.readU8(); | |
| 1258 if (rfb.rec != null) { | |
| 1259 rfb.rec.writeByte(filter_id); | |
| 1260 } | |
| 1261 if (filter_id == rfb.TightFilterPalette) { | |
| 1262 numColors = rfb.readU8() + 1; | |
| 1263 if (rfb.rec != null) { | |
| 1264 rfb.rec.writeByte(numColors - 1); | |
| 1265 } | |
| 1266 if (bytesPixel == 1) { | |
| 1267 if (numColors != 2) { | |
| 1268 throw new Exception("Incorrect tight palette size: " | |
| 1269 + numColors); | |
| 1270 } | |
| 1271 rfb.readFully(palette8); | |
| 1272 if (rfb.rec != null) { | |
| 1273 rfb.rec.write(palette8); | |
| 1274 } | |
| 1275 } else { | |
| 1276 byte[] buf = new byte[numColors * 3]; | |
| 1277 rfb.readFully(buf); | |
| 1278 if (rfb.rec != null) { | |
| 1279 rfb.rec.write(buf); | |
| 1280 } | |
| 1281 for (int i = 0; i < numColors; i++) { | |
| 1282 palette24[i] = ((buf[i * 3] & 0xFF) << 16 | |
| 1283 | (buf[i * 3 + 1] & 0xFF) << 8 | (buf[i * 3 + 2] & 0xFF)); | |
| 1284 } | |
| 1285 } | |
| 1286 if (numColors == 2) | |
| 1287 rowSize = (w + 7) / 8; | |
| 1288 } else if (filter_id == rfb.TightFilterGradient) { | |
| 1289 useGradient = true; | |
| 1290 } else if (filter_id != rfb.TightFilterCopy) { | |
| 1291 throw new Exception("Incorrect tight filter id: " + filter_id); | |
| 1292 } | |
| 1293 } | |
| 1294 if (numColors == 0 && bytesPixel == 4) | |
| 1295 rowSize *= 3; | |
| 1296 | |
| 1297 // Read, optionally uncompress and decode data. | |
| 1298 int dataSize = h * rowSize; | |
| 1299 if (dataSize < rfb.TightMinToCompress) { | |
| 1300 // Data size is small - not compressed with zlib. | |
| 1301 if (numColors != 0) { | |
| 1302 // Indexed colors. | |
| 1303 byte[] indexedData = new byte[dataSize]; | |
| 1304 rfb.readFully(indexedData); | |
| 1305 if (rfb.rec != null) { | |
| 1306 rfb.rec.write(indexedData); | |
| 1307 } | |
| 1308 if (numColors == 2) { | |
| 1309 // Two colors. | |
| 1310 if (bytesPixel == 1) { | |
| 1311 decodeMonoData(x, y, w, h, indexedData, palette8); | |
| 1312 } else { | |
| 1313 decodeMonoData(x, y, w, h, indexedData, palette24); | |
| 1314 } | |
| 1315 } else { | |
| 1316 // 3..255 colors (assuming bytesPixel == 4). | |
| 1317 int i = 0; | |
| 1318 for (int dy = y; dy < y + h; dy++) { | |
| 1319 for (int dx = x; dx < x + w; dx++) { | |
| 1320 pixels24[dy * rfb.framebufferWidth + dx] = palette24[indexedData[i++] & 0xFF]; | |
| 1321 } | |
| 1322 } | |
| 1323 } | |
| 1324 } else if (useGradient) { | |
| 1325 // "Gradient"-processed data | |
| 1326 byte[] buf = new byte[w * h * 3]; | |
| 13 | 1327 rfb.readFully(buf); |
| 1328 if (rfb.rec != null) { | |
| 1329 rfb.rec.write(buf); | |
| 1330 } | |
| 15 | 1331 decodeGradientData(x, y, w, h, buf); |
| 1332 } else { | |
| 1333 // Raw truecolor data. | |
| 13 | 1334 if (bytesPixel == 1) { |
| 15 | 1335 for (int dy = y; dy < y + h; dy++) { |
| 1336 rfb.readFully(pixels8, dy * rfb.framebufferWidth + x, w); | |
| 1337 if (rfb.rec != null) { | |
| 1338 rfb.rec.write(pixels8, dy * rfb.framebufferWidth | |
| 1339 + x, w); | |
| 1340 } | |
| 1341 } | |
| 13 | 1342 } else { |
| 15 | 1343 byte[] buf = new byte[w * 3]; |
| 1344 int i, offset; | |
| 1345 for (int dy = y; dy < y + h; dy++) { | |
| 1346 rfb.readFully(buf); | |
| 1347 if (rfb.rec != null) { | |
| 1348 rfb.rec.write(buf); | |
| 1349 } | |
| 1350 offset = dy * rfb.framebufferWidth + x; | |
| 1351 for (i = 0; i < w; i++) { | |
| 1352 pixels24[offset + i] = (buf[i * 3] & 0xFF) << 16 | |
| 1353 | (buf[i * 3 + 1] & 0xFF) << 8 | |
| 1354 | (buf[i * 3 + 2] & 0xFF); | |
| 1355 } | |
| 13 | 1356 } |
| 1357 } | |
| 1358 } | |
| 15 | 1359 } else { |
| 1360 // Data was compressed with zlib. | |
| 1361 int zlibDataLen = rfb.readCompactLen(); | |
| 1362 byte[] zlibData = new byte[zlibDataLen]; | |
| 1363 rfb.readFully(zlibData); | |
| 1364 if (rfb.rec != null && rfb.recordFromBeginning) { | |
| 1365 rfb.rec.write(zlibData); | |
| 1366 } | |
| 1367 int stream_id = comp_ctl & 0x03; | |
| 1368 if (tightInflaters[stream_id] == null) { | |
| 1369 tightInflaters[stream_id] = new Inflater(); | |
| 13 | 1370 } |
| 15 | 1371 Inflater myInflater = tightInflaters[stream_id]; |
| 1372 myInflater.setInput(zlibData); | |
| 1373 byte[] buf = new byte[dataSize]; | |
| 1374 myInflater.inflate(buf); | |
| 1375 if (rfb.rec != null && !rfb.recordFromBeginning) { | |
| 1376 rfb.recordCompressedData(buf); | |
| 1377 } | |
| 1378 | |
| 1379 if (numColors != 0) { | |
| 1380 // Indexed colors. | |
| 1381 if (numColors == 2) { | |
| 1382 // Two colors. | |
| 1383 if (bytesPixel == 1) { | |
| 1384 decodeMonoData(x, y, w, h, buf, palette8); | |
| 1385 } else { | |
| 1386 decodeMonoData(x, y, w, h, buf, palette24); | |
| 13 | 1387 } |
| 15 | 1388 } else { |
| 1389 // More than two colors (assuming bytesPixel == 4). | |
| 1390 int i = 0; | |
| 1391 for (int dy = y; dy < y + h; dy++) { | |
| 1392 for (int dx = x; dx < x + w; dx++) { | |
| 1393 pixels24[dy * rfb.framebufferWidth + dx] = palette24[buf[i++] & 0xFF]; | |
| 1394 } | |
| 13 | 1395 } |
| 1396 } | |
| 15 | 1397 } else if (useGradient) { |
| 1398 // Compressed "Gradient"-filtered data (assuming bytesPixel == | |
| 1399 // 4). | |
| 1400 decodeGradientData(x, y, w, h, buf); | |
| 13 | 1401 } else { |
| 15 | 1402 // Compressed truecolor data. |
| 1403 if (bytesPixel == 1) { | |
| 1404 int destOffset = y * rfb.framebufferWidth + x; | |
| 1405 for (int dy = 0; dy < h; dy++) { | |
| 1406 System.arraycopy(buf, dy * w, pixels8, destOffset, w); | |
| 1407 destOffset += rfb.framebufferWidth; | |
| 13 | 1408 } |
| 15 | 1409 } else { |
| 1410 int srcOffset = 0; | |
| 1411 int destOffset, i; | |
| 1412 for (int dy = 0; dy < h; dy++) { | |
| 1413 myInflater.inflate(buf); | |
| 1414 destOffset = (y + dy) * rfb.framebufferWidth + x; | |
| 1415 for (i = 0; i < w; i++) { | |
| 1416 pixels24[destOffset + i] = (buf[srcOffset] & 0xFF) << 16 | |
| 1417 | (buf[srcOffset + 1] & 0xFF) << 8 | |
| 1418 | (buf[srcOffset + 2] & 0xFF); | |
| 1419 srcOffset += 3; | |
| 1420 } | |
| 13 | 1421 } |
| 1422 } | |
| 1423 } | |
| 1424 } | |
| 15 | 1425 |
| 1426 handleUpdatedPixels(x, y, w, h); | |
| 1427 scheduleRepaint(x, y, w, h); | |
| 1428 } | |
| 1429 | |
| 1430 // | |
| 1431 // Decode 1bpp-encoded bi-color rectangle (8-bit and 24-bit versions). | |
| 1432 // | |
| 1433 | |
| 1434 void decodeMonoData(int x, int y, int w, int h, byte[] src, byte[] palette) { | |
| 1435 | |
| 1436 int dx, dy, n; | |
| 1437 int i = y * rfb.framebufferWidth + x; | |
| 1438 int rowBytes = (w + 7) / 8; | |
| 1439 byte b; | |
| 1440 | |
| 1441 for (dy = 0; dy < h; dy++) { | |
| 1442 for (dx = 0; dx < w / 8; dx++) { | |
| 1443 b = src[dy * rowBytes + dx]; | |
| 1444 for (n = 7; n >= 0; n--) | |
| 1445 pixels8[i++] = palette[b >> n & 1]; | |
| 1446 } | |
| 1447 for (n = 7; n >= 8 - w % 8; n--) { | |
| 1448 pixels8[i++] = palette[src[dy * rowBytes + dx] >> n & 1]; | |
| 1449 } | |
| 1450 i += (rfb.framebufferWidth - w); | |
| 1451 } | |
| 1452 } | |
| 1453 | |
| 1454 void decodeMonoData(int x, int y, int w, int h, byte[] src, int[] palette) { | |
| 1455 | |
| 1456 int dx, dy, n; | |
| 1457 int i = y * rfb.framebufferWidth + x; | |
| 1458 int rowBytes = (w + 7) / 8; | |
| 1459 byte b; | |
| 1460 | |
| 1461 for (dy = 0; dy < h; dy++) { | |
| 1462 for (dx = 0; dx < w / 8; dx++) { | |
| 1463 b = src[dy * rowBytes + dx]; | |
| 1464 for (n = 7; n >= 0; n--) | |
| 1465 pixels24[i++] = palette[b >> n & 1]; | |
| 1466 } | |
| 1467 for (n = 7; n >= 8 - w % 8; n--) { | |
| 1468 pixels24[i++] = palette[src[dy * rowBytes + dx] >> n & 1]; | |
| 1469 } | |
| 1470 i += (rfb.framebufferWidth - w); | |
| 1471 } | |
| 1472 } | |
| 1473 | |
| 1474 // | |
| 1475 // Decode data processed with the "Gradient" filter. | |
| 1476 // | |
| 1477 | |
| 1478 void decodeGradientData(int x, int y, int w, int h, byte[] buf) { | |
| 1479 | |
| 1480 int dx, dy, c; | |
| 1481 byte[] prevRow = new byte[w * 3]; | |
| 1482 byte[] thisRow = new byte[w * 3]; | |
| 1483 byte[] pix = new byte[3]; | |
| 1484 int[] est = new int[3]; | |
| 1485 | |
| 1486 int offset = y * rfb.framebufferWidth + x; | |
| 1487 | |
| 1488 for (dy = 0; dy < h; dy++) { | |
| 1489 | |
| 1490 /* First pixel in a row */ | |
| 1491 for (c = 0; c < 3; c++) { | |
| 1492 pix[c] = (byte) (prevRow[c] + buf[dy * w * 3 + c]); | |
| 1493 thisRow[c] = pix[c]; | |
| 1494 } | |
| 1495 pixels24[offset++] = (pix[0] & 0xFF) << 16 | (pix[1] & 0xFF) << 8 | |
| 1496 | (pix[2] & 0xFF); | |
| 1497 | |
| 1498 /* Remaining pixels of a row */ | |
| 1499 for (dx = 1; dx < w; dx++) { | |
| 1500 for (c = 0; c < 3; c++) { | |
| 1501 est[c] = ((prevRow[dx * 3 + c] & 0xFF) + (pix[c] & 0xFF) - (prevRow[(dx - 1) | |
| 1502 * 3 + c] & 0xFF)); | |
| 1503 if (est[c] > 0xFF) { | |
| 1504 est[c] = 0xFF; | |
| 1505 } else if (est[c] < 0x00) { | |
| 1506 est[c] = 0x00; | |
| 1507 } | |
| 1508 pix[c] = (byte) (est[c] + buf[(dy * w + dx) * 3 + c]); | |
| 1509 thisRow[dx * 3 + c] = pix[c]; | |
| 1510 } | |
| 1511 pixels24[offset++] = (pix[0] & 0xFF) << 16 | |
| 1512 | (pix[1] & 0xFF) << 8 | (pix[2] & 0xFF); | |
| 1513 } | |
| 1514 | |
| 1515 System.arraycopy(thisRow, 0, prevRow, 0, w * 3); | |
| 1516 offset += (rfb.framebufferWidth - w); | |
| 1517 } | |
| 13 | 1518 } |
| 1519 | |
| 15 | 1520 // |
| 1521 // Display newly updated area of pixels. | |
| 1522 // | |
| 1523 | |
| 1524 void handleUpdatedPixels(int x, int y, int w, int h) { | |
| 13 | 1525 |
| 15 | 1526 // Draw updated pixels of the off-screen image. |
| 25 | 1527 |
| 15 | 1528 pixelsSource.newPixels(x, y, w, h); |
| 1529 memGraphics.setClip(x, y, w, h); | |
| 1530 memGraphics.drawImage(rawPixelsImage, 0, 0, null); | |
| 1531 memGraphics.setClip(0, 0, rfb.framebufferWidth, rfb.framebufferHeight); | |
| 25 | 1532 |
| 15 | 1533 } |
| 13 | 1534 |
| 15 | 1535 // |
| 1536 // Tell JVM to repaint specified desktop area. | |
| 1537 // | |
| 13 | 1538 |
| 15 | 1539 void scheduleRepaint(int x, int y, int w, int h) { |
| 1540 // Request repaint, deferred if necessary. | |
| 1541 if (rfb.framebufferWidth == scaledWidth) { | |
| 1542 repaint(viewer.deferScreenUpdates, x, y, w, h); | |
| 1543 } else { | |
| 1544 int sx = x * scalingFactor / 100; | |
| 1545 int sy = y * scalingFactor / 100; | |
| 1546 int sw = ((x + w) * scalingFactor + 49) / 100 - sx + 1; | |
| 1547 int sh = ((y + h) * scalingFactor + 49) / 100 - sy + 1; | |
| 1548 repaint(viewer.deferScreenUpdates, sx, sy, sw, sh); | |
| 13 | 1549 } |
| 1550 } | |
| 15 | 1551 |
| 1552 // | |
| 1553 // Handle events. | |
| 1554 // | |
| 1555 | |
| 1556 public void keyPressed(KeyEvent evt) { | |
| 1557 processLocalKeyEvent(evt); | |
| 1558 } | |
| 13 | 1559 |
| 15 | 1560 public void keyReleased(KeyEvent evt) { |
| 1561 processLocalKeyEvent(evt); | |
| 1562 } | |
| 13 | 1563 |
| 15 | 1564 public void keyTyped(KeyEvent evt) { |
| 1565 evt.consume(); | |
| 1566 } | |
| 1567 | |
| 1568 public void mousePressed(MouseEvent evt) { | |
| 1569 processLocalMouseEvent(evt, false); | |
| 1570 } | |
| 13 | 1571 |
| 15 | 1572 public void mouseReleased(MouseEvent evt) { |
| 1573 processLocalMouseEvent(evt, false); | |
| 1574 } | |
| 13 | 1575 |
| 15 | 1576 public void mouseMoved(MouseEvent evt) { |
| 1577 processLocalMouseEvent(evt, true); | |
| 1578 } | |
| 1579 | |
| 1580 public void mouseDragged(MouseEvent evt) { | |
| 1581 processLocalMouseEvent(evt, true); | |
| 1582 } | |
| 13 | 1583 |
| 15 | 1584 public void processLocalKeyEvent(KeyEvent evt) { |
| 1585 if (viewer.rfb != null && rfb.inNormalProtocol) { | |
| 1586 if (!inputEnabled) { | |
| 1587 if ((evt.getKeyChar() == 'r' || evt.getKeyChar() == 'R') | |
| 1588 && evt.getID() == KeyEvent.KEY_PRESSED) { | |
| 1589 // Request screen update. | |
| 1590 try { | |
| 1591 rfb.writeFramebufferUpdateRequest(0, 0, | |
| 1592 rfb.framebufferWidth, rfb.framebufferHeight, | |
| 1593 false); | |
| 1594 } catch (IOException e) { | |
| 1595 e.printStackTrace(); | |
| 1596 } | |
| 13 | 1597 } |
| 15 | 1598 } else { |
| 1599 // Input enabled. | |
| 1600 synchronized (rfb) { | |
| 1601 try { | |
| 1602 rfb.writeKeyEvent(evt); | |
| 1603 } catch (Exception e) { | |
| 1604 e.printStackTrace(); | |
| 1605 } | |
| 1606 rfb.notify(); | |
| 13 | 1607 } |
| 1608 } | |
| 15 | 1609 } |
| 1610 // Don't ever pass keyboard events to AWT for default processing. | |
| 1611 // Otherwise, pressing Tab would switch focus to ButtonPanel etc. | |
| 1612 evt.consume(); | |
| 1613 } | |
| 1614 | |
| 1615 public void processLocalMouseEvent(MouseEvent evt, boolean moved) { | |
| 1616 if (viewer.rfb != null && rfb.inNormalProtocol) { | |
| 1617 if (moved) { | |
| 1618 softCursorMove(evt.getX(), evt.getY()); | |
| 1619 } | |
| 1620 if (rfb.framebufferWidth != scaledWidth) { | |
| 1621 int sx = (evt.getX() * 100 + scalingFactor / 2) / scalingFactor; | |
| 1622 int sy = (evt.getY() * 100 + scalingFactor / 2) / scalingFactor; | |
| 1623 evt.translatePoint(sx - evt.getX(), sy - evt.getY()); | |
| 1624 } | |
| 13 | 1625 synchronized (rfb) { |
| 1626 try { | |
| 15 | 1627 rfb.writePointerEvent(evt); |
| 13 | 1628 } catch (Exception e) { |
| 1629 e.printStackTrace(); | |
| 1630 } | |
| 1631 rfb.notify(); | |
| 1632 } | |
| 1633 } | |
| 1634 } | |
| 15 | 1635 |
| 1636 // | |
| 1637 // Ignored events. | |
| 1638 // | |
| 1639 | |
| 1640 public void mouseClicked(MouseEvent evt) { | |
| 1641 } | |
| 1642 | |
| 1643 public void mouseEntered(MouseEvent evt) { | |
| 1644 } | |
| 1645 | |
| 1646 public void mouseExited(MouseEvent evt) { | |
| 1647 } | |
| 1648 | |
| 1649 // | |
| 1650 // Reset update statistics. | |
| 1651 // | |
| 13 | 1652 |
| 15 | 1653 void resetStats() { |
| 1654 statStartTime = System.currentTimeMillis(); | |
| 1655 statNumUpdates = 0; | |
| 1656 statNumTotalRects = 0; | |
| 1657 statNumPixelRects = 0; | |
| 1658 statNumRectsTight = 0; | |
| 1659 statNumRectsTightJPEG = 0; | |
| 1660 statNumRectsZRLE = 0; | |
| 1661 statNumRectsHextile = 0; | |
| 1662 statNumRectsRaw = 0; | |
| 1663 statNumRectsCopy = 0; | |
| 1664 statNumBytesEncoded = 0; | |
| 1665 statNumBytesDecoded = 0; | |
| 13 | 1666 } |
| 1667 | |
| 15 | 1668 // //////////////////////////////////////////////////////////////// |
| 1669 // | |
| 1670 // Handle cursor shape updates (XCursor and RichCursor encodings). | |
| 1671 // | |
| 13 | 1672 |
| 15 | 1673 boolean showSoftCursor = false; |
| 13 | 1674 |
| 15 | 1675 MemoryImageSource softCursorSource; |
| 1676 Image softCursor; | |
| 13 | 1677 |
| 15 | 1678 int cursorX = 0, cursorY = 0; |
| 1679 int cursorWidth, cursorHeight; | |
| 1680 int origCursorWidth, origCursorHeight; | |
| 1681 int hotX, hotY; | |
| 1682 int origHotX, origHotY; | |
| 13 | 1683 |
| 15 | 1684 // |
| 1685 // Handle cursor shape update (XCursor and RichCursor encodings). | |
| 1686 // | |
| 1687 | |
| 1688 synchronized void handleCursorShapeUpdate(int encodingType, int xhot, | |
| 1689 int yhot, int width, int height) throws IOException { | |
| 1690 | |
| 1691 softCursorFree(); | |
| 1692 | |
| 1693 if (width * height == 0) | |
| 1694 return; | |
| 13 | 1695 |
| 15 | 1696 // Ignore cursor shape data if requested by user. |
| 1697 if (viewer.options.ignoreCursorUpdates) { | |
| 1698 int bytesPerRow = (width + 7) / 8; | |
| 1699 int bytesMaskData = bytesPerRow * height; | |
| 13 | 1700 |
| 15 | 1701 if (encodingType == rfb.EncodingXCursor) { |
| 1702 rfb.skipBytes(6 + bytesMaskData * 2); | |
| 1703 } else { | |
| 1704 // rfb.EncodingRichCursor | |
| 1705 rfb.skipBytes(width * height * bytesPixel + bytesMaskData); | |
| 1706 } | |
| 1707 return; | |
| 1708 } | |
| 13 | 1709 |
| 15 | 1710 // Decode cursor pixel data. |
| 1711 softCursorSource = decodeCursorShape(encodingType, width, height); | |
| 13 | 1712 |
| 15 | 1713 // Set original (non-scaled) cursor dimensions. |
| 1714 origCursorWidth = width; | |
| 1715 origCursorHeight = height; | |
| 1716 origHotX = xhot; | |
| 1717 origHotY = yhot; | |
| 1718 | |
| 1719 // Create off-screen cursor image. | |
| 1720 createSoftCursor(); | |
| 13 | 1721 |
| 15 | 1722 // Show the cursor. |
| 1723 showSoftCursor = true; | |
| 1724 repaint(viewer.deferCursorUpdates, cursorX - hotX, cursorY - hotY, | |
| 1725 cursorWidth, cursorHeight); | |
| 1726 } | |
| 13 | 1727 |
| 15 | 1728 // |
| 1729 // decodeCursorShape(). Decode cursor pixel data and return | |
| 1730 // corresponding MemoryImageSource instance. | |
| 1731 // | |
| 13 | 1732 |
| 15 | 1733 synchronized MemoryImageSource decodeCursorShape(int encodingType, |
| 1734 int width, int height) throws IOException { | |
| 13 | 1735 |
| 1736 int bytesPerRow = (width + 7) / 8; | |
| 1737 int bytesMaskData = bytesPerRow * height; | |
| 1738 | |
| 15 | 1739 int[] softCursorPixels = new int[width * height]; |
| 1740 | |
| 13 | 1741 if (encodingType == rfb.EncodingXCursor) { |
| 1742 | |
| 15 | 1743 // Read foreground and background colors of the cursor. |
| 1744 byte[] rgb = new byte[6]; | |
| 1745 rfb.readFully(rgb); | |
| 1746 int[] colors = { | |
| 1747 (0xFF000000 | (rgb[3] & 0xFF) << 16 | (rgb[4] & 0xFF) << 8 | (rgb[5] & 0xFF)), | |
| 1748 (0xFF000000 | (rgb[0] & 0xFF) << 16 | (rgb[1] & 0xFF) << 8 | (rgb[2] & 0xFF)) }; | |
| 13 | 1749 |
| 15 | 1750 // Read pixel and mask data. |
| 1751 byte[] pixBuf = new byte[bytesMaskData]; | |
| 1752 rfb.readFully(pixBuf); | |
| 1753 byte[] maskBuf = new byte[bytesMaskData]; | |
| 1754 rfb.readFully(maskBuf); | |
| 13 | 1755 |
| 15 | 1756 // Decode pixel data into softCursorPixels[]. |
| 1757 byte pixByte, maskByte; | |
| 1758 int x, y, n, result; | |
| 1759 int i = 0; | |
| 1760 for (y = 0; y < height; y++) { | |
| 1761 for (x = 0; x < width / 8; x++) { | |
| 1762 pixByte = pixBuf[y * bytesPerRow + x]; | |
| 1763 maskByte = maskBuf[y * bytesPerRow + x]; | |
| 1764 for (n = 7; n >= 0; n--) { | |
| 1765 if ((maskByte >> n & 1) != 0) { | |
| 1766 result = colors[pixByte >> n & 1]; | |
| 1767 } else { | |
| 1768 result = 0; // Transparent pixel | |
| 1769 } | |
| 1770 softCursorPixels[i++] = result; | |
| 1771 } | |
| 1772 } | |
| 1773 for (n = 7; n >= 8 - width % 8; n--) { | |
| 1774 if ((maskBuf[y * bytesPerRow + x] >> n & 1) != 0) { | |
| 1775 result = colors[pixBuf[y * bytesPerRow + x] >> n & 1]; | |
| 13 | 1776 } else { |
| 1777 result = 0; // Transparent pixel | |
| 1778 } | |
| 1779 softCursorPixels[i++] = result; | |
| 1780 } | |
| 1781 } | |
| 15 | 1782 |
| 1783 } else { | |
| 1784 // encodingType == rfb.EncodingRichCursor | |
| 13 | 1785 |
| 15 | 1786 // Read pixel and mask data. |
| 1787 byte[] pixBuf = new byte[width * height * bytesPixel]; | |
| 1788 rfb.readFully(pixBuf); | |
| 1789 byte[] maskBuf = new byte[bytesMaskData]; | |
| 1790 rfb.readFully(maskBuf); | |
| 13 | 1791 |
| 15 | 1792 // Decode pixel data into softCursorPixels[]. |
| 1793 byte pixByte, maskByte; | |
| 1794 int x, y, n, result; | |
| 1795 int i = 0; | |
| 1796 for (y = 0; y < height; y++) { | |
| 1797 for (x = 0; x < width / 8; x++) { | |
| 1798 maskByte = maskBuf[y * bytesPerRow + x]; | |
| 1799 for (n = 7; n >= 0; n--) { | |
| 1800 if ((maskByte >> n & 1) != 0) { | |
| 1801 if (bytesPixel == 1) { | |
| 1802 result = cm8.getRGB(pixBuf[i]); | |
| 1803 } else { | |
| 1804 result = 0xFF000000 | |
| 1805 | (pixBuf[i * 4 + 2] & 0xFF) << 16 | |
| 1806 | (pixBuf[i * 4 + 1] & 0xFF) << 8 | |
| 1807 | (pixBuf[i * 4] & 0xFF); | |
| 1808 } | |
| 1809 } else { | |
| 1810 result = 0; // Transparent pixel | |
| 1811 } | |
| 1812 softCursorPixels[i++] = result; | |
| 1813 } | |
| 1814 } | |
| 1815 for (n = 7; n >= 8 - width % 8; n--) { | |
| 1816 if ((maskBuf[y * bytesPerRow + x] >> n & 1) != 0) { | |
| 13 | 1817 if (bytesPixel == 1) { |
| 1818 result = cm8.getRGB(pixBuf[i]); | |
| 1819 } else { | |
| 1820 result = 0xFF000000 | |
| 1821 | (pixBuf[i * 4 + 2] & 0xFF) << 16 | |
| 1822 | (pixBuf[i * 4 + 1] & 0xFF) << 8 | |
| 1823 | (pixBuf[i * 4] & 0xFF); | |
| 1824 } | |
| 1825 } else { | |
| 1826 result = 0; // Transparent pixel | |
| 1827 } | |
| 1828 softCursorPixels[i++] = result; | |
| 1829 } | |
| 1830 } | |
| 15 | 1831 |
| 13 | 1832 } |
| 1833 | |
| 15 | 1834 return new MemoryImageSource(width, height, softCursorPixels, 0, width); |
| 13 | 1835 } |
| 1836 | |
| 15 | 1837 // |
| 1838 // createSoftCursor(). Assign softCursor new Image (scaled if necessary). | |
| 1839 // Uses softCursorSource as a source for new cursor image. | |
| 1840 // | |
| 1841 | |
| 1842 synchronized void createSoftCursor() { | |
| 1843 | |
| 1844 if (softCursorSource == null) | |
| 1845 return; | |
| 13 | 1846 |
| 15 | 1847 int scaleCursor = viewer.options.scaleCursor; |
| 1848 if (scaleCursor == 0 || !inputEnabled) | |
| 1849 scaleCursor = 100; | |
| 13 | 1850 |
| 15 | 1851 // Save original cursor coordinates. |
| 1852 int x = cursorX - hotX; | |
| 1853 int y = cursorY - hotY; | |
| 1854 int w = cursorWidth; | |
| 1855 int h = cursorHeight; | |
| 13 | 1856 |
| 15 | 1857 cursorWidth = (origCursorWidth * scaleCursor + 50) / 100; |
| 1858 cursorHeight = (origCursorHeight * scaleCursor + 50) / 100; | |
| 1859 hotX = (origHotX * scaleCursor + 50) / 100; | |
| 1860 hotY = (origHotY * scaleCursor + 50) / 100; | |
| 1861 softCursor = Toolkit.getDefaultToolkit().createImage(softCursorSource); | |
| 13 | 1862 |
| 15 | 1863 if (scaleCursor != 100) { |
| 1864 softCursor = softCursor.getScaledInstance(cursorWidth, | |
| 1865 cursorHeight, Image.SCALE_SMOOTH); | |
| 1866 } | |
| 13 | 1867 |
| 15 | 1868 if (showSoftCursor) { |
| 1869 // Compute screen area to update. | |
| 1870 x = Math.min(x, cursorX - hotX); | |
| 1871 y = Math.min(y, cursorY - hotY); | |
| 1872 w = Math.max(w, cursorWidth); | |
| 1873 h = Math.max(h, cursorHeight); | |
| 1874 | |
| 1875 repaint(viewer.deferCursorUpdates, x, y, w, h); | |
| 1876 } | |
| 13 | 1877 } |
| 1878 | |
| 15 | 1879 // |
| 1880 // softCursorMove(). Moves soft cursor into a particular location. | |
| 1881 // | |
| 13 | 1882 |
| 15 | 1883 synchronized void softCursorMove(int x, int y) { |
| 1884 int oldX = cursorX; | |
| 1885 int oldY = cursorY; | |
| 1886 cursorX = x; | |
| 1887 cursorY = y; | |
| 1888 if (showSoftCursor) { | |
| 1889 repaint(viewer.deferCursorUpdates, oldX - hotX, oldY - hotY, | |
| 1890 cursorWidth, cursorHeight); | |
| 1891 repaint(viewer.deferCursorUpdates, cursorX - hotX, cursorY - hotY, | |
| 1892 cursorWidth, cursorHeight); | |
| 1893 } | |
| 1894 } | |
| 1895 | |
| 1896 // | |
| 1897 // softCursorFree(). Remove soft cursor, dispose resources. | |
| 1898 // | |
| 1899 | |
| 1900 synchronized void softCursorFree() { | |
| 1901 if (showSoftCursor) { | |
| 1902 showSoftCursor = false; | |
| 1903 softCursor = null; | |
| 1904 softCursorSource = null; | |
| 1905 | |
| 1906 repaint(viewer.deferCursorUpdates, cursorX - hotX, cursorY - hotY, | |
| 1907 cursorWidth, cursorHeight); | |
| 1908 } | |
| 13 | 1909 } |
| 25 | 1910 |
| 1911 BufferedImage createBufferedImage(Image img){ | |
| 1912 BufferedImage bimg = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB ); | |
| 1913 | |
| 1914 Graphics g = bimg.getGraphics(); | |
| 1915 g.drawImage(img, 0, 0, null); | |
| 1916 g.dispose(); | |
| 1917 return bimg; | |
| 1918 } | |
| 1919 | |
| 1920 byte[] getBytes(BufferedImage img)throws IOException { | |
| 1921 byte[] b = getImageBytes(img, "raw"); | |
| 1922 return b; | |
| 1923 } | |
| 1924 | |
| 1925 byte[] getImageBytes(BufferedImage image, String imageFormat) throws IOException { | |
| 1926 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 1927 BufferedOutputStream os = new BufferedOutputStream(bos); | |
| 1928 image.flush(); | |
| 1929 ImageIO.write(image, imageFormat, os); | |
| 1930 os.flush(); | |
| 1931 os.close(); | |
| 1932 return bos.toByteArray(); | |
| 1933 } | |
| 1934 | |
| 1935 | |
| 13 | 1936 } |