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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef _FX_FONT
#define _FX_FONT
class IFX_Font;
class IFX_FontMgr;
#define FX_FONTSTYLE_Normal 0x00
#define FX_FONTSTYLE_FixedPitch 0x01
#define FX_FONTSTYLE_Serif 0x02
#define FX_FONTSTYLE_Symbolic 0x04
#define FX_FONTSTYLE_Script 0x08
#define FX_FONTSTYLE_Italic 0x40
#define FX_FONTSTYLE_Bold 0x40000
#define FX_FONTSTYLE_BoldItalic (FX_FONTSTYLE_Bold|FX_FONTSTYLE_Italic)
#define FX_FONTSTYLE_ExactMatch 0x80000000
#define FX_FONTDECORATION_Underline 0x00000001
#define FX_FONTDECORATION_Strikeout 0x00000002
#define FX_FONTDECORATION_Overline 0x00000004
#define FX_FONTDECORATION_Emphasis 0x00000008
#define FX_FONTDECORATION_Superscript 0x00000010
#define FX_FONTDECORATION_Subscript 0x00000020
#define FX_FONTDECORATION_SmallCapital 0x00000040
#define FX_FONTDECORATION_Capital 0x00000080
#define FX_FONTDECORATION_Lowercase 0x000000C0
#define FX_FONTDECORATION_Raised 0x00000100
#define FX_FONTDECORATION_Sunken 0x00000200
#define FX_FONTDECORATION_Shadow 0x00000400
#define FX_FONTDECORATION_BoundingShape 0x20000000
#define FX_FONTDECORATION_Hide 0x40000000
#define FX_FONTDECORATION_StrokeFill 0x80000000
#define FX_BOUNDINGSHAPE_None 0
#define FX_BOUNDINGSHAPE_Circle 1
#define FX_BOUNDINGSHAPE_Square 2
#define FX_BOUNDINGSHAPE_Triangle 3
#define FX_BOUNDINGSHAPE_Diamond 4
class IFX_FontProvider
{
public:
virtual FX_BOOL GetCharWidth(IFX_Font* pFont, FX_WCHAR wUnicode, int32_t &iWidth, FX_BOOL bCharCode = FALSE) = 0;
};
class IFX_Font
{
public:
static IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage, IFX_FontMgr *pFontMgr);
static IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength, IFX_FontMgr *pFontMgr);
static IFX_Font* LoadFont(const FX_WCHAR* pszFileName, IFX_FontMgr *pFontMgr);
static IFX_Font* LoadFont(IFX_Stream *pFontStream, IFX_FontMgr *pFontMgr, FX_BOOL bSaveStream = FALSE);
static IFX_Font* LoadFont(CFX_Font *pExtFont, IFX_FontMgr *pFontMgr, FX_BOOL bTakeOver = FALSE);
virtual void Release() = 0;
virtual IFX_Font* Retain() = 0;
virtual IFX_Font* Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0) = 0;
virtual void GetFamilyName(CFX_WideString &wsFamily) const = 0;
virtual void GetPsName(CFX_WideString &wsName) const = 0;
virtual FX_DWORD GetFontStyles() const = 0;
virtual uint8_t GetCharSet() const = 0;
virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode, int32_t &iWidth, FX_BOOL bCharCode = FALSE) = 0;
virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE) = 0;
virtual int32_t GetAscent() const = 0;
virtual int32_t GetDescent() const = 0;
virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode, CFX_Rect &bbox, FX_BOOL bCharCode = FALSE) = 0;
virtual FX_BOOL GetBBox(CFX_Rect &bbox) = 0;
virtual int32_t GetItalicAngle() const = 0;
virtual void Reset() = 0;
virtual IFX_Font* GetSubstFont(int32_t iGlyphIndex) const = 0;
virtual void* GetDevFont() const = 0;
virtual void SetFontProvider(IFX_FontProvider* pProvider) = 0;
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) = 0;
#endif
};
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
typedef struct _FX_FONTMATCHPARAMS {
const FX_WCHAR* pwsFamily;
FX_DWORD dwFontStyles;
FX_DWORD dwUSB;
FX_DWORD dwMatchFlags;
FX_WCHAR wUnicode;
FX_WORD wCodePage;
} FX_FONTMATCHPARAMS, * FX_LPFONTMATCHPARAMS;
typedef FX_FONTMATCHPARAMS const * FX_LPCFONTMATCHPARAMS;
typedef struct _FX_FONTSIGNATURE : public CFX_Target {
FX_DWORD fsUsb[4];
FX_DWORD fsCsb[2];
} FX_FONTSIGNATURE;
typedef struct _FX_FONTDESCRIPTOR : public CFX_Target {
FX_WCHAR wsFontFace[32];
FX_DWORD dwFontStyles;
uint8_t uCharSet;
FX_FONTSIGNATURE FontSignature;
} FX_FONTDESCRIPTOR, * FX_LPFONTDESCRIPTOR;
typedef FX_FONTDESCRIPTOR const * FX_LPCFONTDESCRIPTOR;
typedef CFX_MassArrayTemplate<FX_FONTDESCRIPTOR> CFX_FontDescriptors;
inline FX_BOOL operator == (const FX_FONTDESCRIPTOR &left, const FX_FONTDESCRIPTOR &right)
{
return left.uCharSet == right.uCharSet
&& left.dwFontStyles == right.dwFontStyles
&& FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0
&& FXSYS_memcmp(&left.FontSignature, &right.FontSignature, sizeof(FX_FONTSIGNATURE)) == 0;
}
#define FX_FONTMATCHPARA_MacthStyle 0x01
#define FX_FONTMATCHPARA_MacthFamily 0x02
#define FX_FONTMATCHPARA_MacthUnicode 0x04
typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors &fonts, void* pUserData, const FX_WCHAR* pwsFaceName, FX_WCHAR wUnicode);
FX_LPEnumAllFonts FX_GetDefFontEnumerator();
typedef FX_LPCFONTDESCRIPTOR (*FX_LPMatchFont)(FX_LPFONTMATCHPARAMS pParams, const CFX_FontDescriptors &fonts, void* pUserData);
FX_LPMatchFont FX_GetDefFontMatchor();
class IFX_FontMgr
{
public:
static IFX_FontMgr* Create(FX_LPEnumAllFonts pEnumerator, FX_LPMatchFont pMatcher = NULL, void* pUserData = NULL);
virtual void Release() = 0;
virtual IFX_Font* GetDefFontByCodePage(FX_WORD wCodePage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByCharset(uint8_t nCharset, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByUnicode(FX_WCHAR wUnicode, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByLanguage(FX_WORD wLanguage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage = 0xFFFF) = 0;
virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0;
virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName) = 0;
virtual IFX_Font* LoadFont(IFX_Stream *pFontStream, const FX_WCHAR* pszFontAlias = NULL, FX_DWORD dwFontStyles = 0, FX_WORD wCodePage = 0, FX_BOOL bSaveStream = FALSE) = 0;
virtual IFX_Font* LoadFont(IFX_Font *pSrcFont, FX_DWORD dwFontStyles, FX_WORD wCodePage = 0xFFFF) = 0;
virtual void ClearFontCache() = 0;
virtual void RemoveFont(IFX_Font *pFont) = 0;
};
#else
class IFX_FontMgrDelegate
{
public:
virtual IFX_Font* GetDefFontByCodePage(IFX_FontMgr* pFontMgr, FX_WORD wCodePage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByCharset(IFX_FontMgr* pFontMgr, uint8_t nCharset, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByUnicode(IFX_FontMgr* pFontMgr, FX_WCHAR wUnicode, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByLanguage(IFX_FontMgr* pFontMgr, FX_WORD wLanguage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
};
class IFX_FontSourceEnum
{
public:
virtual void Release() = 0;
virtual FX_POSITION GetStartPosition(void* pUserData = NULL) = 0;
virtual IFX_FileAccess* GetNext(FX_POSITION& pos, void* pUserData = NULL) = 0;
};
IFX_FontSourceEnum* FX_CreateDefaultFontSourceEnum();
class IFX_FontMgr
{
public:
static IFX_FontMgr* Create(IFX_FontSourceEnum* pFontEnum, IFX_FontMgrDelegate* pDelegate = NULL, void* pUserData = NULL);
virtual void Release() = 0;
virtual IFX_Font* GetDefFontByCodePage(FX_WORD wCodePage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByCharset(uint8_t nCharset, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByUnicode(FX_WCHAR wUnicode, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetDefFontByLanguage(FX_WORD wLanguage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetFontByCodePage(FX_WORD wCodePage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
inline IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage)
{
return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
}
virtual IFX_Font* GetFontByCharset(uint8_t nCharset, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetFontByUnicode(FX_WCHAR wUnicode, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* GetFontByLanguage(FX_WORD wLanguage, FX_DWORD dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0;
virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength, int32_t iFaceIndex, int32_t* pFaceCount = NULL) = 0;
virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName, int32_t iFaceIndex, int32_t* pFaceCount = NULL) = 0;
virtual IFX_Font* LoadFont(IFX_Stream *pFontStream, int32_t iFaceIndex, int32_t* pFaceCount = NULL, FX_BOOL bSaveStream = FALSE) = 0;
virtual void ClearFontCache() = 0;
virtual void RemoveFont(IFX_Font *pFont) = 0;
};
#endif
#endif
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