videotools Code

--- a
+++ b/src/gvideo/gvbars.h
@@ -0,0 +1,60 @@
+//
+// Copyright (C) 2017 Graeme Walker
+// 
+// This program 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 3 of the License, or
+// (at your option) any later version.
+// 
+// This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+// ===
+///
+/// \file gvbars.h
+///
+
+#ifndef GV_BARS__H
+#define GV_BARS__H
+
+#include "gdef.h"
+#include "gvimagegenerator.h"
+
+namespace Gv
+{
+	class Bars ;
+	class BarsImp ;
+}
+
+/// \class Gv::Bars
+/// An image generator for test images comprising horizontal or vertical colour bars. 
+/// Writes into a v4l capture buffer.
+/// 
+class Gv::Bars : public ImageGenerator
+{
+public:
+	Bars( int dx , int dy , const std::string & config ) ;
+		///< Constructor.
+
+	virtual ~Bars() ;
+		///< Destructor.
+
+	virtual bool init() override ;
+		///< Override from Gv::ImageGenerator.
+
+	virtual void fillBuffer( CaptureBuffer & , const CaptureBufferScale & ) override ;
+		///< Override from Gv::ImageGenerator.
+
+private:
+	Bars( const Bars & ) ;
+	void operator=( const Bars & ) ;
+
+private:
+	BarsImp * m_imp ;
+} ;
+
+#endif