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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 XFA_FGAS_FONT_FGAS_GEFONT_H_
#define XFA_FGAS_FONT_FGAS_GEFONT_H_
#include "xfa/fgas/crt/fgas_utils.h"
#include "xfa/fgas/font/fgas_font.h"
#define FXFONT_SUBST_ITALIC 0x02
class CFX_GEFont : public IFX_Font {
public:
CFX_GEFont(const CFX_GEFont& src, FX_DWORD dwFontStyles);
CFX_GEFont(IFX_FontMgr* pFontMgr);
~CFX_GEFont();
virtual void Release();
virtual IFX_Font* Retain();
FX_BOOL LoadFont(const FX_WCHAR* pszFontFamily,
FX_DWORD dwFontStyles,
uint16_t wCodePage);
FX_BOOL LoadFont(const uint8_t* pBuffer, int32_t length);
FX_BOOL LoadFont(const FX_WCHAR* pszFileName);
FX_BOOL LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream);
FX_BOOL LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver = FALSE);
virtual IFX_Font* Derive(FX_DWORD dwFontStyles, uint16_t wCodePage = 0);
virtual void GetFamilyName(CFX_WideString& wsFamily) const;
virtual void GetPsName(CFX_WideString& wsName) const;
virtual FX_DWORD GetFontStyles() const;
virtual uint8_t GetCharSet() const;
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();
virtual IFX_Font* GetSubstFont(int32_t iGlyphIndex) const;
virtual void* GetDevFont() const { return (void*)m_pFont; }
virtual void SetFontProvider(IFX_FontProvider* pProvider) {
m_pProvider = pProvider;
}
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) {
m_bUseLogFontStyle = TRUE;
m_dwLogFontStyle = dwLogFontStyle;
}
#endif
protected:
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
FX_BOOL m_bUseLogFontStyle;
FX_DWORD m_dwLogFontStyle;
#endif
CFX_Font* m_pFont;
IFX_FontMgr* m_pFontMgr;
int32_t m_iRefCount;
FX_BOOL m_bExtFont;
IFX_Stream* m_pStream;
IFX_FileRead* m_pFileRead;
CFX_UnicodeEncoding* m_pFontEncoding;
CFX_WordDiscreteArray* m_pCharWidthMap;
CFX_RectMassArray* m_pRectArray;
CFX_MapPtrToPtr* m_pBBoxMap;
IFX_FontProvider* m_pProvider;
uint16_t m_wCharSet;
CFX_PtrArray m_SubstFonts;
CFX_MapPtrToPtr m_FontMapper;
FX_BOOL InitFont();
FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
CFX_Rect& bbox,
FX_BOOL bRecursive,
FX_BOOL bCharCode = FALSE);
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);
};
#endif // XFA_FGAS_FONT_FGAS_GEFONT_H_
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