JpegEncoder implemented. It compresses full-color pixel data with JPEG sub-encoding of Tight encoding.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2322 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/JpegEncoder.h b/common/rfb/JpegEncoder.h
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+++ b/common/rfb/JpegEncoder.h
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+/* Copyright (C) 2007 Constantin Kaplinsky. 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.
+ */
+#ifndef __RFB_JPEGENCODER_H__
+#define __RFB_JPEGENCODER_H__
+
+#include <rfb/SMsgWriter.h>
+#include <rfb/PixelBuffer.h>
+#include <rfb/JpegCompressor.h>
+
+//
+// JPEG Encoder.
+// NOTE: JpegEncoder class is NOT derived from Encoder, because we need
+// access to the original server's framebuffer, without extra pixel
+// copying and with no pixel format translation.
+//
+
+namespace rfb {
+
+ class JpegEncoder {
+ public:
+ JpegEncoder(SMsgWriter* writer);
+ virtual ~JpegEncoder();
+
+ virtual void setQualityLevel(int level);
+ virtual bool writeRect(PixelBuffer* pb, const Rect& r);
+
+ private:
+ SMsgWriter* writer;
+ JpegCompressor* jcomp;
+
+ static const int qualityMap[10];
+ };
+
+}
+
+#endif