Move image encoding logic into a central EncodeManager class

This allows us to apply a lot more server logic
independently of which encoder is in use.

Most of this class are things moved over from the
Tight encoder.

1 files changed, 54 insertions, 0 deletions

diff --git a/common/rfb/TightJPEGEncoder.h b/common/rfb/TightJPEGEncoder.h
new file mode 100644
index 00000000..458c3831
--- /dev/null
+++ b/common/rfb/TightJPEGEncoder.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 2000-2003 Constantin Kaplinsky.  All Rights Reserved.
+ * Copyright (C) 2011 D. R. Commander
+ * Copyright 2014 Pierre Ossman for Cendio AB
+ *
+ * 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.
+ */
+#ifndef __RFB_TIGHTJPEGENCODER_H__
+#define __RFB_TIGHTJPEGENCODER_H__
+
+#include <rfb/Encoder.h>
+#include <rfb/JpegCompressor.h>
+
+namespace rfb {
+
+  class TightJPEGEncoder : public Encoder {
+  public:
+    TightJPEGEncoder(SConnection* conn);
+    virtual ~TightJPEGEncoder();
+
+    virtual bool isSupported();
+
+    virtual void setQualityLevel(int level);
+    virtual void setFineQualityLevel(int quality, int subsampling);
+
+    virtual void writeRect(const PixelBuffer* pb, const Palette& palette);
+    virtual void writeSolidRect(int width, int height,
+                                const PixelFormat& pf,
+                                const rdr::U8* colour);
+
+  protected:
+    void writeCompact(rdr::U32 value, rdr::OutStream* os);
+
+  protected:
+    JpegCompressor jc;
+
+    int qualityLevel;
+    int fineQuality;
+    int fineSubsampling;
+  };
+}
+#endif