initial

public/matsys_controls/curveeditorpanel.h

@@ -0,0 +1,68 @@
+//====== Copyright <20> 1996-2003, Valve Corporation, All rights reserved. =======
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef CURVEEDITORPANEL_H
+#define CURVEEDITORPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "vgui_controls/Panel.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+struct BGRA8888_t;
+
+
+//-----------------------------------------------------------------------------
+//
+// Curve editor image panel
+//
+//-----------------------------------------------------------------------------
+class CCurveEditorPanel : public vgui::Panel
+{
+	DECLARE_CLASS_SIMPLE( CCurveEditorPanel, vgui::Panel );
+
+public:
+	// constructor
+	CCurveEditorPanel( vgui::Panel *pParent, const char *pName );
+	~CCurveEditorPanel();
+
+	virtual void Paint( void );
+	virtual void PaintBackground( void );
+
+	virtual void OnCursorMoved( int x,int y );
+	virtual void OnMousePressed( vgui::MouseCode code );
+	virtual void OnMouseReleased( vgui::MouseCode code );
+	virtual void OnKeyCodePressed( vgui::KeyCode code );
+
+protected:
+	// Control points + values...
+	virtual int FindOrAddControlPoint( float flIn, float flTolerance, float flOut ) = 0;
+	virtual int FindControlPoint( float flIn, float flTolerance ) = 0;
+	virtual int ModifyControlPoint( int nPoint, float flIn, float flOut ) = 0;
+	virtual void RemoveControlPoint( int nPoint ) = 0;
+	virtual float GetValue( float flIn ) = 0;
+	virtual int ControlPointCount() = 0;
+	virtual void GetControlPoint( int nPoint, float *pIn, float *pOut ) = 0;
+
+	// Converts screen location to normalized values and back
+	void ScreenToValue( int x, int y, float *pIn, float *pOut );
+	void ValueToScreen( float flIn, float flOut, int *x, int *y );
+
+private:
+
+	int m_nSelectedPoint;
+	int m_nHighlightedPoint;	// Used when not selecting
+};
+
+
+
+#endif // CURVEEDITORPANEL_H