106 lines
3.7 KiB
C++
106 lines
3.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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//=======================================================================================//
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#ifndef SLIDESHOWPANEL_H
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#define SLIDESHOWPANEL_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/EditablePanel.h"
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#include "vgui_controls/ProgressBar.h"
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#include "vgui_controls/ImagePanel.h"
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using namespace vgui;
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//-----------------------------------------------------------------------------
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// Purpose: Allows fade from one image to another
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//-----------------------------------------------------------------------------
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class CCrossfadableImagePanel : public EditablePanel
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{
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DECLARE_CLASS_SIMPLE( CCrossfadableImagePanel, EditablePanel );
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public:
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CCrossfadableImagePanel( Panel* pParent, const char *pName );
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~CCrossfadableImagePanel();
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virtual void ApplySettings( KeyValues *pInResourceData );
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virtual void ApplySchemeSettings( IScheme *pScheme );
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virtual void PerformLayout();
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// A duplicate of the ImagePanel interface - the only difference being that
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// here we have blend times for SetImage().
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void SetImage( IImage *pImage, float flBlendTime = 0.0f );
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void SetImage( const char *pImageName, float flBlendTime = 0.0f );
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void SetShouldScaleImage( bool bState );
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void SetScaleAmount( float flScale );
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void SetDrawColor( Color clrDrawColor );
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IImage *GetImage();
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const char *GetImageName();
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void SetFillColor( Color c );
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float GetScaleAmount();
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bool GetShouldScaleImage();
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Color GetFillColor();
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Color GetDrawColor();
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virtual void InstallMouseHandler( Panel *pHandler );
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private:
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virtual void OnSizeChanged( int nWide, int nTall );
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virtual void OnTick();
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inline ImagePanel *SrcImg() { return m_pImages[ m_iSrcImg ]; }
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inline ImagePanel *DstImg() { return m_pImages[ !m_iSrcImg ]; }
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void SetupImageBlend( float flBlendTime );
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float m_flStartBlendTime; // the gpGlobals->realtime when we started blending
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float m_flBlendTime; // amount of time to blend from one image to the next one
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float m_flBlend; // blend value in [0,1] where 0 maps to the source image, and 1 maps to the dest image
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bool m_bBlending; // are we currently transitioning/blending from one image to another?
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ImagePanel* m_pImages[2];
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int m_iSrcImg; // 0 or 1
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};
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//-----------------------------------------------------------------------------
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// Purpose: Displays a slideshow of images at a set interval
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//-----------------------------------------------------------------------------
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class CSlideshowPanel : public EditablePanel
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{
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DECLARE_CLASS_SIMPLE( CSlideshowPanel, EditablePanel );
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public:
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CSlideshowPanel( Panel *pParent, const char *pName );
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~CSlideshowPanel();
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// Pass in a vgui-relative path, like "training/screenshots/cp_dustbowl_", and
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// the slideshow panel will add "0.vmt", "1.vmt" etc. until it can't find anymore images.
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void FillWithImages( const char *pBasePath );
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void AddImage( const char *pImageName );
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void AddImage( IImage *pImage );
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void SetInterval( float flInterval );
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void SetTransitionTime( float flTransitionLength );
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CCrossfadableImagePanel *GetImagePanel() { return m_pImagePanel; }
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int GetImageCount() const { return m_vecImages.Count(); }
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private:
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virtual void ApplySettings( KeyValues *pInResourceData );
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virtual void OnSizeChanged( int nWide, int nTall );
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virtual void OnTick();
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void UpdateNextTransitionTime();
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CCrossfadableImagePanel *m_pImagePanel;
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CUtlVector< IImage * > m_vecImages;
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float m_flNextTransitionTime; // gpGlobals->realtime of time when we should transition next
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float m_flInterval; // Amount of time between blend begins to next image, in seconds
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float m_flTransitionLength; // Length of each transition
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int m_iCurImg; // Current image index
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};
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#endif // SLIDESHOWPANEL_H
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