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CryFont/FFont.h

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+//////////////////////////////////////////////////////////////////////
+//
+//  CryFont Source Code
+//
+//  File: FFont.h
+//  Description: Font class.
+//
+//  History:
+//  - August 20, 2001: Created by Alberto Demichelis
+//	- January 29, 2004: Refactored by M<>rcio Martins
+//
+//////////////////////////////////////////////////////////////////////
+
+#ifndef CRYFONT_FFONT_H
+#define CRYFONT_FFONT_H
+
+
+#include <vector>
+#include <string>
+#include <Cry_Math.h>
+#include "FontTexture.h"
+
+#define FONTCOLORS 10
+
+#define FONT_SMOOTH_NONE					0
+#define FONT_SMOOTH_BLUR					1
+#define FONT_SMOOTH_SUPERSAMPLE		2
+
+#define FONT_SMOOTH_AMOUNT_NONE		0
+#define FONT_SMOOTH_AMOUNT_2X			1
+#define FONT_SMOOTH_AMOUNT_4X			2
+
+#ifdef WIN64
+#undef GetCharWidth
+#undef GetCharHeight
+#endif
+
+
+class CFFont : public IFFont
+{
+public:
+	enum eBlendMode
+	{
+		BLEND_ZERO              =  0,
+		BLEND_ONE               =  1,
+		BLEND_SRCCOLOR          =  2,
+		BLEND_INVSRCCOLOR       =  3,
+		BLEND_SRCALPHA          =  4,
+		BLEND_INVSRCALPHA       =  5,
+		BLEND_DSTALPHA          =  6,
+		BLEND_INVDSTALPHA       =  7,
+		BLEND_DSTCOLOR          =  8,
+		BLEND_INVDSTCOLOR       =  9,
+	};
+
+	struct SRenderingPass
+	{
+		color4f	cColor;
+		vector2f			vSizeScale;
+		vector2f			vPosOffset;
+		eBlendMode		blendSrc;
+		eBlendMode		blendDest;
+
+		inline void SetColor(const color4f &color)
+		{
+			cColor = color;
+		}
+
+		void ResetDefault()
+		{
+			vPosOffset.set(0,0);
+			vSizeScale.set(1.0f,1.0f);
+			blendSrc = BLEND_SRCALPHA;
+			blendDest = BLEND_INVSRCALPHA;
+
+			SetColor(color4f(1,1,1,1));
+		}
+
+		SRenderingPass()
+		{
+			ResetDefault();
+		}
+
+		~SRenderingPass()
+		{
+		}
+	};
+
+	struct SEffect
+	{
+		string											strName;
+		std::vector<SRenderingPass> vPass;
+
+		SEffect()
+		{
+		}
+
+		SRenderingPass* NewPass()
+		{
+			SRenderingPass Pass;
+
+			vPass.push_back(Pass);
+
+			return &vPass[vPass.size()-1];
+		}
+
+		void Clear()
+		{
+			vPass.clear();
+		}
+	};
+
+	typedef std::vector<SEffect>	VecEffect;
+	typedef VecEffect::iterator		VecEffectItor;
+
+public:
+
+	void Reset();
+
+	// Load a font from a TTF file
+	bool Load(const char *szFile, unsigned long nWidth, unsigned long nHeight, unsigned long nTTFFlags);
+
+	// Load a font from a XML script
+	bool Load(const char *szFile);
+
+	// Free the memory
+	void Free();
+
+	// Set the current effect to use
+	void SetEffect(const char *szEffect);
+
+	// Set the color of current effect
+	void SetColor(const color4f& col, int nPass);
+	void UseRealPixels(bool bRealPixels=true) { m_bRealPixels=bRealPixels; m_vCharSize = vector2f(-1.0f, -1.0f); }
+	bool UsingRealPixels() { return m_bRealPixels; }
+
+	// Set the characters base size
+	void SetSize(const vector2f &size);
+
+	// Set clipping rectangle
+	void SetClippingRect(float fX, float fY, float fW, float fH);
+
+	// Enable / Disable clipping (off by default)
+	void EnableClipping(bool bEnable);
+
+	// Return the seted size
+	vector2f &GetSize();
+
+	// Return the char width
+	float GetCharWidth();
+
+	// Return the char height
+	float GetCharHeight();
+
+	// Set the width scaling
+	void SetCharWidthScale(float fScale);
+
+	// Get the width scaling
+	float GetCharWidthScale();
+
+	// Set the same size flag
+	void SetSameSize(bool bSameSize);
+
+	// Get the same size flag
+	bool GetSameSize();
+
+	// Draw a not formated string
+	void DrawStringNF( float x, float y, const char *szMsg);
+
+	// Draw a formated string
+	void DrawString( float x, float y, const char *szMsg, const bool bASCIIMultiLine=true );
+
+	// Compute the text size
+	vector2f GetTextSize(const char *szMsg, const bool bASCIIMultiLine=true );	
+
+	// Draw a formated string
+	void DrawStringW( float x, float y, const wchar_t *swStr, const bool bASCIIMultiLine=true );
+
+	// Draw a formated string
+	void DrawWrappedStringW( float x, float y, float w, const wchar_t *swStr, const bool bASCIIMultiLine=true );
+  
+	// Compute the text size
+	vector2f GetTextSizeW(const wchar_t *swStr, const bool bASCIIMultiLine=true );
+
+	// Compute the text size
+	vector2f GetWrappedTextSizeW(const wchar_t *swStr, float w, const bool bASCIIMultiLine=true );
+
+	// Compute virtual text-length (because of special chars...)
+	int GetTextLength(const char *szMsg, const bool bASCIIMultiLine=true);
+	int GetTextLengthW(const wchar_t *szMsg, const bool bASCIIMultiLine=true);
+
+	///////////////////////////////////////////////
+	// Create a new effect
+	SEffect*	NewEffect();
+	// Return the current effect
+	SEffect*	GetCurrentEffect();
+
+	bool RenderInit();
+	void RenderCleanup();
+
+	void GetMemoryUsage (class ICrySizer* pSizer);
+
+private:
+
+	void Prepare(const wchar_t *szString);
+	void WrapText(wstring &szResult, float fMaxWidth, const wchar_t *szString);
+
+	friend class CCryFont;
+	CFFont(struct ISystem *pISystem, class CCryFont *pCryFont, const char *pszName);
+	virtual ~CFFont();
+
+	// Release the memory...
+	void Release();
+
+	DWORD								m_vColorTable[FONTCOLORS];
+
+	bool								m_bRealPixels;
+	bool								m_bOK;					// false if the font has not been correctly initialised
+	bool								m_bSameSize;			// True if all char must have the same size
+	float								m_fWidthScale;			// Width scale
+	vector2f						m_vCharSize;
+
+	vector2f						m_vSize;					// Base size
+	VecEffect						m_vEffects;				// Rendering effects
+	SEffect*						m_pCurrentEffect;		// Current effect
+	CFontTexture				m_pFontTexture;
+	unsigned char				*m_pFontBuffer;						// inmemory image of the font file (needed because of pack files)
+	int									m_iTextureID;							// texture id
+	struct ISystem			*m_pISystem;							// Renderer interface
+	CCryFont*						m_pCryFont;
+	string							m_szName;
+  
+	float m_fClipX;
+	float m_fClipY;
+	float m_fClipR;
+	float m_fClipB;
+	bool	m_bClipEnabled;
+};
+
+
+#endif // CRYFONT_FFONT_H