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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_GDIOBJECT_IMP
#define _FX_GDIOBJECT_IMP
#ifdef _FXPLUS
#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
_FX_OS_ == _FX_WIN64_
typedef struct _FX_GDIGOCACHE {
GLYPHMETRICS gm;
uint8_t* pOutline;
} FX_GDIGOCACHE, *FX_LPGDIGOCACHE;
typedef FX_GDIGOCACHE const* FX_LPCGDIGOCACHE;
class CFX_GdiFontCache {
public:
CFX_GdiFontCache();
~CFX_GdiFontCache();
void SetCachedGlyphOutline(FX_DWORD dwGlyph,
const GLYPHMETRICS& gm,
uint8_t* pOutline);
FX_LPCGDIGOCACHE GetCachedGlyphOutline(FX_DWORD dwGlyph) const;
protected:
CFX_MapPtrToPtr m_GlyphMap;
};
class CFX_GdiFont : public IFX_Font, public CFX_ThreadLock {
public:
CFX_GdiFont(IFX_FontMgr* pFontMgr);
~CFX_GdiFont();
virtual void Release();
virtual IFX_Font* Retain();
FX_BOOL LoadFont(const FX_WCHAR* pszFontFamily,
FX_DWORD dwFontStyles,
FX_WORD wCodePage);
FX_BOOL LoadFont(const uint8_t* pBuffer, int32_t iLength);
FX_BOOL LoadFont(const FX_WCHAR* pszFileName);
FX_BOOL LoadFont(IFX_Stream* pFontStream);
FX_BOOL LoadFont(const LOGFONTW& lf);
virtual IFX_Font* Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0) {
return NULL;
}
virtual void GetFamilyName(CFX_WideString& wsFamily) const;
virtual FX_DWORD GetFontStyles() const { return m_dwStyles; }
virtual uint8_t GetCharSet() const { return m_LogFont.lfCharSet; }
virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
int32_t& iWidth,
FX_BOOL bCharCode = FALSE);
virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE);
virtual int32_t GetAscent() const;
virtual int32_t GetDescent() const;
virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
CFX_Rect& bbox,
FX_BOOL bCharCode = FALSE);
virtual FX_BOOL GetBBox(CFX_Rect& bbox);
virtual int32_t GetItalicAngle() const;
virtual void Reset();
FX_DWORD GetGlyphDIBits(int32_t iGlyphIndex,
FX_ARGB argb,
const MAT2* pMatrix,
GLYPHMETRICS& gm,
void* pBuffer,
FX_DWORD bufSize);
FX_DWORD GetHashCode() const;
protected:
IFX_FontMgr* m_pFontMgr;
int32_t m_iRefCount;
CFX_WordDiscreteArray m_WidthCache;
OUTLINETEXTMETRICW m_OutlineTM;
HGDIOBJ m_hOldFont;
HFONT m_hFont;
HDC m_hDC;
LOGFONTW m_LogFont;
CFX_WideString m_wsFontFileName;
CFX_WideStringArray m_FontFamilies;
HANDLE m_hRes;
FX_DWORD m_dwStyles;
CFX_PtrArray m_SubstFonts;
CFX_MapPtrToPtr m_FontMapper;
CFX_MapPtrToPtr m_FontCache;
void ClearCache();
int32_t GetFontFamilies(Gdiplus::FontCollection& fc);
void RetrieveFontStyles();
IFX_Font* GetSubstFont(int32_t iGlyphIndex) const;
FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
int32_t& iWidth,
FX_BOOL bRecursive,
FX_BOOL bCharCode = FALSE);
int32_t GetGlyphIndex(FX_WCHAR wUnicode,
FX_BOOL bRecursive,
IFX_Font** ppFont,
FX_BOOL bCharCode = FALSE);
FX_DWORD GetMAT2HashCode(const FIXED* pFixed);
void CreateGlyphBitmap(int32_t iWidth,
int32_t iHeight,
uint8_t* pOutline,
FX_DWORD* pDIB,
FX_ARGB argb);
friend class CFX_GdiFontMgr;
};
#endif
#endif
#endif
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