1 files changed, 60 insertions, 0 deletions
diff --git a/src/anim/LinearAnim.h b/src/anim/LinearAnim.h
new file mode 100644
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--- /dev/null
+++ b/src/anim/LinearAnim.h
@@ -0,0 +1,60 @@
+//
+//  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 _LinearAnim_H_
+#define _LinearAnim_H_
+
+#include "../api.h"
+
+#include "SimpleAnim.h"
+
+namespace avg {
+
+class AVG_API LinearAnim: public SimpleAnim {
+public:
+    LinearAnim(const boost::python::object& node, const std::string& sAttrName, 
+            long long duration,
+            const boost::python::object& pStartValue, 
+            const boost::python::object& pEndValue, 
+            bool bUseInt=false, 
+            const boost::python::object& startCallback=boost::python::object(), 
+            const boost::python::object& stopCallback=boost::python::object());
+    virtual ~LinearAnim();
+    
+protected:
+    virtual float interpolate(float t);
+    
+private:
+    float getStartPart(float start, float end, float cur);
+};
+
+AnimPtr fadeIn(const boost::python::object& node, long long duration, float max=1.0f,
+        const boost::python::object& stopCallback=boost::python::object());
+
+AnimPtr fadeOut(const boost::python::object& node, long long duration, 
+        const boost::python::object& stopCallback=boost::python::object());
+
+}
+
+#endif 
+
+
+