Resolve KASM-2948 "Feature/ qoi support"

common/rfb/TightQOIEncoder.h

@@ -0,0 +1,46 @@
+/* Copyright (C) 2022 Kasm Web
+ *
+ * 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_TIGHTQOIENCODER_H__
+#define __RFB_TIGHTQOIENCODER_H__
+
+#include <rfb/Encoder.h>
+#include <stdint.h>
+#include <vector>
+
+namespace rfb {
+
+  class TightQOIEncoder : public Encoder {
+  public:
+    TightQOIEncoder(SConnection* conn);
+    virtual ~TightQOIEncoder();
+
+    virtual bool isSupported();
+
+    virtual void writeRect(const PixelBuffer* pb, const Palette& palette);
+    virtual void compressOnly(const PixelBuffer* pb, const uint8_t quality,
+                              std::vector<uint8_t> &out, const bool lowVideoQuality) const;
+    virtual void writeOnly(const std::vector<uint8_t> &out) const;
+    virtual void writeSolidRect(int width, int height,
+                                const PixelFormat& pf,
+                                const rdr::U8* colour);
+
+  protected:
+    void writeCompact(rdr::U32 value, rdr::OutStream* os) const;
+  };
+}
+#endif