1 files changed, 263 insertions, 0 deletions
diff --git a/public/panorama/layout/backgroundimage.h b/public/panorama/layout/backgroundimage.h
new file mode 100644
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+++ b/public/panorama/layout/backgroundimage.h
@@ -0,0 +1,263 @@
+//=========== Copyright Valve Corporation, All rights reserved. ===============//
+//
+// Purpose: 
+//=============================================================================//
+
+#ifndef BACKGROUNDIMAGE_H
+#define BACKGROUNDIMAGE_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "csshelpers.h"
+#include "../data/panoramavideoplayer.h"
+#include "utlstring.h"
+#include "uilength.h"
+
+namespace panorama
+{
+
+class IImageSource;
+class CMovie;
+class CPanel2D;
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Background position for background image
+//-----------------------------------------------------------------------------
+class CBackgroundPosition
+{
+public:
+	CBackgroundPosition();
+	~CBackgroundPosition() {}
+
+	
+	EHorizontalAlignment GetHorizontalAlignment() const { return m_eHorizontalAlignment; }
+	CUILength GetHorizontalLength() const { return m_horizontal; }
+	EVerticalAlignment GetVeriticalAlignment() const { return m_eVerticalAlignment; }
+	CUILength GetVerticalLength() const { return m_vertical; }
+
+	bool IsHorizontalSet() const
+	{
+		return ( m_eHorizontalAlignment != k_EHorizontalAlignmentUnset && m_horizontal.IsSet() );
+	}
+
+	bool IsVerticalSet() const
+	{
+		return ( m_eVerticalAlignment != k_EVerticalAlignmentUnset && m_vertical.IsSet() );
+	}
+
+	bool IsSet() const
+	{
+		return ( IsHorizontalSet() && IsVerticalSet() );
+	}
+
+	void Set( EHorizontalAlignment eHorizontal, const CUILength &horizontal, EVerticalAlignment eVertical, const CUILength &vertical );
+	void ResolveDefaultValues();
+	void ToString( CFmtStr1024 *pfmtBuffer );
+	
+	void ScaleLengthValues( float flScaleFactor )
+	{
+		m_horizontal.ScaleLengthValue( flScaleFactor );
+		m_vertical.ScaleLengthValue( flScaleFactor );
+	}
+
+	bool operator==( const CBackgroundPosition &rhs ) const
+	{
+		return ( m_eHorizontalAlignment == rhs.m_eHorizontalAlignment && m_horizontal == rhs.m_horizontal && m_eVerticalAlignment == rhs.m_eVerticalAlignment && m_vertical == rhs.m_vertical );
+	}
+
+	bool operator!=( const CBackgroundPosition &rhs ) const
+	{
+		return !( *this == rhs );
+	}
+
+private:
+	EHorizontalAlignment m_eHorizontalAlignment;
+	CUILength m_horizontal;
+
+	EVerticalAlignment m_eVerticalAlignment;
+	CUILength m_vertical;
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Background images have a repeat in the x & y directions
+//-----------------------------------------------------------------------------
+class CBackgroundRepeat
+{
+public:
+	CBackgroundRepeat() { Set( k_EBackgroundRepeatUnset, k_EBackgroundRepeatUnset ); }
+	~CBackgroundRepeat() {}
+
+	bool IsSet() const { return (m_eHorizontal != k_EBackgroundRepeatUnset && m_eVertical != k_EBackgroundRepeatUnset); }
+	void Set( EBackgroundRepeat eHorizontal, EBackgroundRepeat eVertical )
+	{
+		m_eHorizontal = eHorizontal;
+		m_eVertical = eVertical;
+	}
+
+	void ResolveDefaultValues()
+	{
+		if ( m_eHorizontal == k_EBackgroundRepeatUnset )
+			m_eHorizontal = k_EBackgroundRepeatRepeat;
+
+		if ( m_eVertical == k_EBackgroundRepeatUnset )
+			m_eVertical = k_EBackgroundRepeatRepeat;
+	}
+
+	EBackgroundRepeat GetHorizontal() const { return m_eHorizontal; }
+	EBackgroundRepeat GetVertical() const { return m_eVertical; }
+
+	bool operator==( const CBackgroundRepeat &rhs ) const
+	{
+		return ( m_eHorizontal == rhs.m_eHorizontal && m_eVertical == rhs.m_eVertical );
+	}
+
+	bool operator!=( const CBackgroundRepeat &rhs ) const
+	{
+		return !( *this == rhs );
+	}
+
+private:
+	EBackgroundRepeat m_eHorizontal;
+	EBackgroundRepeat m_eVertical;
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Can have multiple background image layers, each contains the following
+//-----------------------------------------------------------------------------
+class CBackgroundImageLayer
+{
+private:
+	enum EImagePath
+	{
+		k_EImagePathUnset,
+		k_EImagePathNone,
+		k_EImagePathSet
+	};
+
+public:
+
+	CBackgroundImageLayer();
+	~CBackgroundImageLayer();	
+
+	void SetPathUnset()
+	{
+		m_eImagePath = k_EImagePathUnset;
+		m_sURLPath.Clear();
+	}
+
+	void SetPathToNone()
+	{
+		m_eImagePath = m_eImagePath;
+		m_sURLPath.Clear();
+	}
+
+	void SetPath( const char *pchPath )
+	{
+		m_eImagePath = k_EImagePathSet;
+		m_sURLPath = pchPath;
+	}
+
+	bool IsPathSet() { return (m_eImagePath != k_EImagePathUnset); }
+	bool IsPathNone() { return (m_eImagePath == k_EImagePathNone); }
+	const char *GetPath() { return m_sURLPath.String(); }
+
+	// from background-position
+	const CBackgroundPosition &GetPosition() { return m_position; }
+	void SetPosition( const CBackgroundPosition &position ) { m_position = position; }
+
+	const CUILength &GetWidth() { return m_width; }
+	const CUILength &GetHeight() { return m_height; }
+	void SetBackgroundSize( const CUILength &width, const CUILength &height )
+	{
+		m_width = width;
+		m_height = height;
+		m_eBackgroundSizeConstant = k_EBackgroundSizeConstantNone;
+	}
+
+	EBackgroundSizeConstant GetBackgroundSizeConstant() { return m_eBackgroundSizeConstant; }
+	void SetBackgroundSize( EBackgroundSizeConstant eConstant )
+	{
+		Assert( eConstant != k_EBackgroundSizeConstantNone );
+		m_eBackgroundSizeConstant = eConstant;
+		m_width.SetLength( k_flFloatAuto );
+		m_height.SetLength( k_flFloatAuto );
+	}
+
+	CBackgroundRepeat GetRepeat() { return m_repeat; }
+	void SetRepeat( const CBackgroundRepeat &repeat ) { m_repeat = repeat; }
+
+	IImageSource *GetImage() { return m_pImage; }
+	CVideoPlayerPtr GetMovie() { return m_pVideoPlayer; }
+
+	bool IsCompletelyUnset()
+	{
+		return (m_eImagePath == k_EImagePathUnset && !m_position.IsSet() && !m_width.IsSet() && !m_height.IsSet() && !m_repeat.IsSet() );
+	}
+
+	bool IsSet()
+	{
+		return (m_eImagePath != k_EImagePathUnset && m_position.IsSet() && m_width.IsSet() && m_height.IsSet() && m_repeat.IsSet() );
+	}
+
+	void ResolveDefaultValues();
+	void ApplyUIScaleFactor( float flScaleFactor );
+	void OnAppliedToPanel( IUIPanel *pPanel );
+	void MergeTo( CBackgroundImageLayer *pTarget );
+	void ToString( CFmtStr1024 *pfmtBuffer );
+
+	// comparison operators
+	bool operator==( const CBackgroundImageLayer &rhs ) const
+	{
+		return ( m_eImagePath == rhs.m_eImagePath && m_sURLPath == rhs.m_sURLPath && m_position == rhs.m_position && 
+			m_width == rhs.m_width&& m_height == rhs.m_height && m_repeat == rhs.m_repeat && m_eBackgroundSizeConstant == rhs.m_eBackgroundSizeConstant );
+	}
+
+	bool operator!=( const CBackgroundImageLayer &rhs ) const
+	{
+		return !( *this == rhs );
+	}
+
+	// helpers for drawing
+	void CalculateFinalDimensions( float *pflWidth, float *pflHeight, float flPanelWidth, float flPanelHeight, float flScaleFactor );
+	void CalculateFinalPosition( float *px, float *py, float flWidthPanel, float flHeightPanel, float flWidthImage, float flHeightImage );
+	void CalculateFinalSpacing( float *px, float *py, float flWidthPanel, float flHeightPanel, float flWidthImage, float flHeightImage );
+
+	void Set( const CBackgroundImageLayer &rhs );
+
+
+#ifdef DBGFLAG_VALIDATE
+	virtual void Validate( CValidator &validator, const tchar *pchName );
+#endif
+
+private:
+	CBackgroundImageLayer( const CBackgroundImageLayer &rhs );	
+	CBackgroundImageLayer& operator=( const CBackgroundImageLayer &rhs ) const;
+
+	// from background-image
+	CUtlString m_sURLPath;
+	EImagePath m_eImagePath;
+
+	// from background-position
+	CBackgroundPosition m_position;
+
+	// from background-size
+	EBackgroundSizeConstant m_eBackgroundSizeConstant;
+	CUILength m_width;
+	CUILength m_height;
+
+	// from background-repeat
+	CBackgroundRepeat m_repeat;
+
+	// loaded when applied to a panel
+	IImageSource *m_pImage;
+	CVideoPlayerPtr m_pVideoPlayer;
+};
+
+} // namespace panorama
+
+#endif //BACKGROUNDIMAGE_H