1 files changed, 56 insertions, 0 deletions
diff --git a/src/graphics/GPUBandpassFilter.h b/src/graphics/GPUBandpassFilter.h
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+++ b/src/graphics/GPUBandpassFilter.h
@@ -0,0 +1,56 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#ifndef _GPUBandpassFilter_H_
+#define _GPUBandpassFilter_H_
+
+#include "../api.h"
+#include "GPUFilter.h"
+#include "GPUBlurFilter.h"
+#include "Bitmap.h"
+
+namespace avg {
+
+class AVG_API GPUBandpassFilter: public GPUFilter
+{
+public:
+    GPUBandpassFilter(const IntPoint& size, PixelFormat pfSrc, float min, float max, 
+            float postScale, bool bInvert, bool bStandalone=true);
+    virtual ~GPUBandpassFilter();
+
+    virtual void applyOnGPU(GLTexturePtr pSrcTex);
+
+private:
+    float m_PostScale;
+    bool m_bInvert;
+
+    GPUBlurFilter m_MinFilter;
+    GPUBlurFilter m_MaxFilter;
+
+    IntGLShaderParamPtr m_pMinTexParam;
+    IntGLShaderParamPtr m_pMaxTexParam;
+    FloatGLShaderParamPtr m_pPostScaleParam;
+    IntGLShaderParamPtr m_pInvertParam;
+};
+
+}
+#endif
+