122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
//=========== Copyright Valve Corporation, All rights reserved. ===============//
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//
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// Purpose:
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//=============================================================================//
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#ifndef PANORAMA_IMAGEPANEL_H
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#define PANORAMA_IMAGEPANEL_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "panel2d.h"
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#include "../data/iimagesource.h"
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namespace panorama
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{
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DECLARE_PANEL_EVENT1( SetImageSource, const char * );
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DECLARE_PANEL_EVENT0( ClearImageSource );
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enum EImageScaling
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{
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k_EImageScalingNone,
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k_EImageScalingStretchBoth,
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k_EImageScalingStretchX,
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k_EImageScalingStretchY,
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k_EImageScalingStretchBothToFitPreserveAspectRatio,
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k_EImageScalingStretchXToFitPreserveAspectRatio,
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k_EImageScalingStretchYToFitPreserveAspectRatio,
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k_EImageScalingStretchBothToCoverPreserveAspectRatio
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};
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enum EImageHorizontalAlignment
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{
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k_EImageHorizontalAlignmentCenter,
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k_EImageHorizontalAlignmentLeft,
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k_EImageHorizontalAlignmentRight,
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};
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enum EImageVerticalAlignment
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{
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k_EImageVerticalAlignmentCenter,
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k_EImageVerticalAlignmentTop,
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k_EImageVerticalAlignmentBottom,
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};
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//-----------------------------------------------------------------------------
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// Purpose: ImagePanel
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//-----------------------------------------------------------------------------
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class CImagePanel : public CPanel2D
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{
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DECLARE_PANEL2D( CImagePanel, CPanel2D );
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public:
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CImagePanel( CPanel2D *parent, const char * pchPanelID );
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virtual ~CImagePanel();
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virtual void Paint();
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virtual bool BSetProperties( const CUtlVector< ParsedPanelProperty_t > &vecProperties );
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bool OnImageLoaded( const CPanelPtr< IUIPanel > &pPanel, IImageSource *pImage );
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bool OnSetImageSource( const CPanelPtr<IUIPanel> &pPanel, const char *pchImageSource );
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bool OnClearImageSource( const CPanelPtr<IUIPanel> &pPanel );
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IImageSource *GetImage() { return m_pImage; }
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// Set an image from a URL (file://, http://), if pchDefaultImage is specified it must be a file:// url and will be
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// used while the actual image is loaded asynchronously, it will also remain in use if the actual image fails to load
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void SetImage( const char *pchImageURL, const char *pchDefaultImageURL = NULL, bool bPrioritizeLoad = false, int nResizeWidth = -1, int nResizeHeight = -1 );
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// Set an image from an already created IImageSource, you should almost always use the simpler SetImage( pchImageURL, pchDefaultImageURL ) call.
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void SetImage( IImageSource *pImage );
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void Clear();
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bool IsSet() { return (m_pImage != NULL); }
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void SetScaling( EImageScaling eScale );
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void SetScaling( CPanoramaSymbol symScale );
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void SetAlignment( EImageHorizontalAlignment horAlign, EImageVerticalAlignment verAlign );
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void SetVisibleImageSlice( int nX, int nY, int nWidth, int nHeight );
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virtual void SetupJavascriptObjectTemplate() OVERRIDE;
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void GetDebugPropertyInfo( CUtlVector< DebugPropertyOutput_t *> *pvecProperties );
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virtual bool BRequiresContentClipLayer();
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void SetImageJS( const char *pchImageURL );
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virtual bool IsClonable() OVERRIDE { return AreChildrenClonable(); }
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virtual CPanel2D *Clone() OVERRIDE;
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#ifdef DBGFLAG_VALIDATE
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virtual void ValidateClientPanel( CValidator &validator, const tchar *pchName ) OVERRIDE;
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#endif
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protected:
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virtual void OnContentSizeTraverse( float *pflContentWidth, float *pflContentHeight, float flMaxWidth, float flMaxHeight, bool bFinalDimensions );
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virtual void InitClonedPanel( CPanel2D *pPanel ) OVERRIDE;
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private:
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EImageScaling m_eScaling;
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EImageHorizontalAlignment m_eHorAlignment;
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EImageVerticalAlignment m_eVerAlignment;
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int m_nVisibleSliceX;
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int m_nVisibleSliceY;
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int m_nVisibleSliceWidth;
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int m_nVisibleSliceHeight;
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CUtlString m_strSource;
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CUtlString m_strSourceDefault;
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bool m_bAnimate;
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IImageSource *m_pImage;
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float m_flPrevAnimateWidth;
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float m_flPrevAnimateHeight;
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};
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} // namespace panorama
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#endif // PANORAMA_IMAGEPANEL_H
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