t2 engine svn checkout

gui/guiFilterCtrl.h

@@ -0,0 +1,77 @@
+//-----------------------------------------------------------------------------
+// V12 Engine
+// 
+// Copyright (c) 2001 GarageGames.Com
+// Portions Copyright (c) 2001 by Sierra Online, Inc.
+//-----------------------------------------------------------------------------
+
+#ifndef _GUIFILTERCTRL_H_
+#define _GUIFILTERCTRL_H_
+
+#ifndef _GUICONTROL_H_
+#include "GUI/guiControl.h"
+#endif
+
+
+
+//--------------------------------------
+// helper class
+class Filter: public Vector<F32>
+{
+public:
+   Filter() : Vector<F32>(__FILE__, __LINE__) { }
+
+   void set(S32 argc, const char *argv[]);
+   F32  getValue(F32 t) const;
+};   
+
+
+//--------------------------------------
+class GuiFilterCtrl : public GuiControl
+{
+  private:
+   typedef GuiControl Parent;
+
+   S32 mControlPointRequest;
+   S32 mCurKnot;
+   Filter mFilter;
+   
+  public:
+   //creation methods
+   DECLARE_CONOBJECT(GuiFilterCtrl);
+   GuiFilterCtrl();
+   static void initPersistFields();
+   static void consoleInit();
+
+   //Parental methods
+   bool onWake();
+
+   void onMouseDown(const GuiEvent &event);
+   void onMouseDragged(const GuiEvent &event);
+   void onMouseUp(const GuiEvent &);
+
+   F32  getValue(S32 n);
+   const Filter* get() { return &mFilter; }
+   void set(const Filter &f);
+   S32  getNumControlPoints() {return mFilter.size(); }
+   void identity();
+
+   void onPreRender();
+   void onRender(Point2I offset, const RectI &updateRect, GuiControl *firstResponder);
+};
+
+
+inline F32 GuiFilterCtrl::getValue(S32 n) 
+{ 
+   S32 index = getMin(getMax(n,0), (S32)mFilter.size()-1);
+   return mFilter[n];
+}
+
+
+inline void GuiFilterCtrl::set(const Filter &f)
+{
+   mControlPointRequest = f.size();
+   mFilter = f;
+}
+
+#endif