Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@589 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/SMsgWriter.cxx b/common/rfb/SMsgWriter.cxx
new file mode 100644
index 0000000..085dfc1
--- /dev/null
+++ b/common/rfb/SMsgWriter.cxx
@@ -0,0 +1,202 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+#include <stdio.h>
+#include <assert.h>
+#include <rdr/OutStream.h>
+#include <rfb/msgTypes.h>
+#include <rfb/ColourMap.h>
+#include <rfb/ConnParams.h>
+#include <rfb/UpdateTracker.h>
+#include <rfb/SMsgWriter.h>
+#include <rfb/LogWriter.h>
+
+using namespace rfb;
+
+static LogWriter vlog("SMsgWriter");
+
+SMsgWriter::SMsgWriter(ConnParams* cp_, rdr::OutStream* os_)
+ : imageBufIdealSize(0), cp(cp_), os(os_), lenBeforeRect(0),
+ currentEncoding(0), updatesSent(0), rawBytesEquivalent(0),
+ imageBuf(0), imageBufSize(0)
+{
+ for (unsigned int i = 0; i <= encodingMax; i++) {
+ encoders[i] = 0;
+ bytesSent[i] = 0;
+ rectsSent[i] = 0;
+ }
+}
+
+SMsgWriter::~SMsgWriter()
+{
+ vlog.info("framebuffer updates %d",updatesSent);
+ int bytes = 0;
+ for (unsigned int i = 0; i <= encodingMax; i++) {
+ delete encoders[i];
+ if (i != encodingCopyRect)
+ bytes += bytesSent[i];
+ if (rectsSent[i])
+ vlog.info(" %s rects %d, bytes %d",
+ encodingName(i), rectsSent[i], bytesSent[i]);
+ }
+ vlog.info(" raw bytes equivalent %d, compression ratio %f",
+ rawBytesEquivalent, (double)rawBytesEquivalent / bytes);
+ delete [] imageBuf;
+}
+
+void SMsgWriter::writeSetColourMapEntries(int firstColour, int nColours,
+ ColourMap* cm)
+{
+ startMsg(msgTypeSetColourMapEntries);
+ os->pad(1);
+ os->writeU16(firstColour);
+ os->writeU16(nColours);
+ for (int i = firstColour; i < firstColour+nColours; i++) {
+ int r, g, b;
+ cm->lookup(i, &r, &g, &b);
+ os->writeU16(r);
+ os->writeU16(g);
+ os->writeU16(b);
+ }
+ endMsg();
+}
+
+void SMsgWriter::writeBell()
+{
+ startMsg(msgTypeBell);
+ endMsg();
+}
+
+void SMsgWriter::writeServerCutText(const char* str, int len)
+{
+ startMsg(msgTypeServerCutText);
+ os->pad(3);
+ os->writeU32(len);
+ os->writeBytes(str, len);
+ endMsg();
+}
+
+void SMsgWriter::setupCurrentEncoder()
+{
+ unsigned int encoding = cp->currentEncoding();
+
+ // FIXME: Code duplication, see writeRect().
+ if (!encoders[encoding]) {
+ encoders[encoding] = Encoder::createEncoder(encoding, this);
+ assert(encoders[encoding]);
+ }
+
+ encoders[encoding]->setCompressLevel(cp->compressLevel);
+ encoders[encoding]->setQualityLevel(cp->qualityLevel);
+}
+
+int SMsgWriter::getNumRects(const Rect &r)
+{
+ unsigned int encoding = cp->currentEncoding();
+
+ if (!encoders[encoding])
+ setupCurrentEncoder();
+
+ return encoders[encoding]->getNumRects(r);
+}
+
+// FIXME: This functions does not compute the number of rectangles correctly
+// if the Tight encoder is used (but currently that does not matter
+// because this function is never used).
+void SMsgWriter::writeFramebufferUpdate(const UpdateInfo& ui, ImageGetter* ig,
+ Region* updatedRegion)
+{
+ writeFramebufferUpdateStart(ui.numRects());
+ writeRects(ui, ig, updatedRegion);
+ writeFramebufferUpdateEnd();
+}
+
+void SMsgWriter::writeRects(const UpdateInfo& ui, ImageGetter* ig,
+ Region* updatedRegion)
+{
+ std::vector<Rect> rects;
+ std::vector<Rect>::const_iterator i;
+ updatedRegion->copyFrom(ui.changed);
+ updatedRegion->assign_union(ui.copied);
+
+ ui.copied.get_rects(&rects, ui.copy_delta.x <= 0, ui.copy_delta.y <= 0);
+ for (i = rects.begin(); i != rects.end(); i++)
+ writeCopyRect(*i, i->tl.x - ui.copy_delta.x, i->tl.y - ui.copy_delta.y);
+
+ ui.changed.get_rects(&rects);
+ for (i = rects.begin(); i != rects.end(); i++) {
+ Rect actual;
+ if (!writeRect(*i, ig, &actual)) {
+ updatedRegion->assign_subtract(*i);
+ updatedRegion->assign_union(actual);
+ }
+ }
+}
+
+
+bool SMsgWriter::needFakeUpdate()
+{
+ return false;
+}
+
+bool SMsgWriter::writeRect(const Rect& r, ImageGetter* ig, Rect* actual)
+{
+ return writeRect(r, cp->currentEncoding(), ig, actual);
+}
+
+bool SMsgWriter::writeRect(const Rect& r, unsigned int encoding,
+ ImageGetter* ig, Rect* actual)
+{
+ if (!encoders[encoding]) {
+ encoders[encoding] = Encoder::createEncoder(encoding, this);
+ assert(encoders[encoding]);
+ }
+ return encoders[encoding]->writeRect(r, ig, actual);
+}
+
+void SMsgWriter::writeCopyRect(const Rect& r, int srcX, int srcY)
+{
+ startRect(r,encodingCopyRect);
+ os->writeU16(srcX);
+ os->writeU16(srcY);
+ endRect();
+}
+
+rdr::U8* SMsgWriter::getImageBuf(int required, int requested, int* nPixels)
+{
+ int requiredBytes = required * (cp->pf().bpp / 8);
+ int requestedBytes = requested * (cp->pf().bpp / 8);
+ int size = requestedBytes;
+ if (size > imageBufIdealSize) size = imageBufIdealSize;
+
+ if (size < requiredBytes)
+ size = requiredBytes;
+
+ if (imageBufSize < size) {
+ imageBufSize = size;
+ delete [] imageBuf;
+ imageBuf = new rdr::U8[imageBufSize];
+ }
+ if (nPixels)
+ *nPixels = imageBufSize / (cp->pf().bpp / 8);
+ return imageBuf;
+}
+
+int SMsgWriter::bpp()
+{
+ return cp->pf().bpp;
+}