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