#ifndef CK_TEXTUREFONT_H
#define CK_TEXTUREFONT_H

#include "CKAll.h"

#define VALIGN_TOP		4
#define VALIGN_BOTTOM	8

#define HALIGN_LEFT		1
#define HALIGN_RIGHT	2

#define FONT_GRADIENT			1
#define FONT_SHADOW				2
#define FONT_LIGHTING			4
#define FONT_DISABLEFILTER		8

#define TEXT_SCREEN				1
#define TEXT_BACKGROUND			2
#define TEXT_CLIP				4
#define TEXT_RESIZE_VERT		8
#define TEXT_RESIZE_HORI		16
#define TEXT_WORDWRAP			32
#define TEXT_JUSTIFIED			64
#define TEXT_COMPILED			128
#define TEXT_MULTIPLE			256
#define TEXT_SHOWCARET			512
#define TEXT_3D					1024
#define TEXT_SCREENCLIP			2048
#define TEXT_RESPECTZORDER		4096

#define CKPGUID_FONTPROPERTIES	CKGUID(0x63223dd5,0x6b5f68fc)
#define CKPGUID_TEXTPROPERTIES	CKGUID(0x4157001d,0x4cc82922)

struct CharacterTextureCoordinates {
	float ustart;
	float vstart;
	float uwidth;
	float uprewidth;
	float upostwidth;
	float vwidth;
};

class CKFontManager;
class CompiledTextData;

class CKTextureFont
{
public:
	enum SpacingProperties {
		FIXED				= 1,
		SPACINGTOBESAVED	= 2,
		TOBESAVED			= 3,
		CREATED             = 4
	};
	
	CKTextureFont(CKFontManager* fm,CKContext* ctx,char* name);
	~CKTextureFont();

	// Font Access
	char* GetFontName();
	CKTexture* GetFontTexture() {return (CKTexture*)m_Context->GetObject(m_FontTexture);}
	
	// Font Size Access
	int GetFontSize();
	int GetRealHeight();
	int GetCharacterWidth();
	int GetCharacterHeight();
	
	// String Calculation
	float GetStringWidth(CKSTRING string);
	int GetTextExtents(float &width,float& height);

	// Fixed Font Creation
	void CreateFromTexture();
	void CreateCKFont(CKTexture* fonttexture,VxRect& tzone,Vx2DVector& charnumber,CKBOOL fixed=TRUE,int firstcharacter = 0, float iSpaceSize = 0.3f);
	CKBOOL IsFontSimilar(CKTexture* fonttexture,Vx2DVector& charnumber,CKBOOL fixed=TRUE);

	// Display functions
	void SetRenderStates(CKRenderContext* dev,int options);
	virtual void DrawCKText(CKRenderContext *dev, CKBeObject* obj, CKSTRING string, int align, VxRect& textzone, CKMaterial* mat, int options, CKBOOL reallyDraw);
	virtual void DrawStringEx(CKRenderContext* iRC, const char* iString, const VxRect& iTextZone, int iOptions);
	void DrawString(CKRenderContext *dev,CKSTRING string,int len,VxVector position,VxRect& Textzone,CKDWORD options,CompiledTextData* ctdata = NULL);
	void DrawStringShadowed(CKRenderContext *dev,CKSTRING string,int len,VxVector position,VxRect& textzone,CKDWORD options,CompiledTextData* ctdata = NULL);
	void DrawCaret(CKRenderContext* context,float posx,float posy,float dimx,float dimy,CKDWORD flags);

public:
	// The Font Name
	char				*m_FontName;
	char				*m_SystemFontName;

	/////////////////////////
	// Font Visual Properties
	
	// First character (code ASCII) in the texture
	int					m_FirstCharacter;
	// Space between character (horizontal and vertical)
	Vx2DVector			m_Leading;
	// Scale of the font
	Vx2DVector			m_Scale;
	// Italic offset
	float				m_ItalicOffset;
	// Paragraph Indentation
	Vx2DVector			m_ParagraphIndentation;
	// Offset value
	Vx2DVector			m_Offset;
	// Start Color of the font
	CKDWORD				m_StartColor;
	// End color of the font
	CKDWORD				m_EndColor;
	// Shadow color 
	CKDWORD				m_ShadowColor;
	// Shadow offset
	Vx2DVector			m_ShadowOffset;
	// Shadow size
	Vx2DVector			m_ShadowScale;
	// Screen Extents
	Vx2DVector			m_ScreenExtents;
	// Material (when lighted)
	CK_ID				m_Material;
	// Text Properties
	CKDWORD				m_Properties;
	// Text Margins
	VxRect				m_Margins;
	// Text Extents
	VxRect				m_TextExtents;
	// Clipping Rect
	VxRect				m_ClippingRect;
	// Percentage of a ' ' character
	float				m_SpacePercentage;
	
	int					m_LineCount;

	CKMaterial*			m_CaretMaterial;
	float				m_CaretSize;

	// Special Drawing Variables : temporary variables
	float				m_SpaceSize;
	float				m_HLeading;
	float				m_LineWidth;

	////////////////////////
	// Static Font Members
	
	// Number of chars, horizontally and vertically
	Vx2DVector			m_CharNumber;
	// Zone of the fonts in the texture
	VxRect				m_FontZone;
	// Spacing Properties
	CKDWORD				m_SpacingProperties;
	// the font texture
	CK_ID				m_FontTexture;

	// The Font Manager
	CKFontManager*		m_FontManager;

	// Font coordinates
	CharacterTextureCoordinates		m_FontCoordinates[256];
private:

	CKContext*			m_Context;
};

#endif