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67 lines
1.9 KiB
67 lines
1.9 KiB
//========= 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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