// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FGAS_FONT_FGAS_GEFONT_H_
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#define XFA_FGAS_FONT_FGAS_GEFONT_H_
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#include <map>
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#include "xfa/fgas/crt/fgas_utils.h"
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#include "xfa/fgas/font/fgas_font.h"
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#define FXFONT_SUBST_ITALIC 0x02
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class CXFA_PDFFontMgr;
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class CFGAS_GEFont {
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public:
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static CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
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uint32_t dwFontStyles,
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uint16_t wCodePage,
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IFGAS_FontMgr* pFontMgr);
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static CFGAS_GEFont* LoadFont(CFX_Font* pExtFont, IFGAS_FontMgr* pFontMgr);
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#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
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static CFGAS_GEFont* LoadFont(const uint8_t* pBuffer,
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int32_t iLength,
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IFGAS_FontMgr* pFontMgr);
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static CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
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IFGAS_FontMgr* pFontMgr,
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FX_BOOL bSaveStream);
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#endif
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~CFGAS_GEFont();
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void Release();
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CFGAS_GEFont* Retain();
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CFGAS_GEFont* Derive(uint32_t dwFontStyles, uint16_t wCodePage = 0);
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void GetFamilyName(CFX_WideString& wsFamily) const;
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uint32_t GetFontStyles() const;
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FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
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int32_t& iWidth,
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FX_BOOL bCharCode = FALSE);
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int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE);
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int32_t GetAscent() const;
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int32_t GetDescent() const;
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FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
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CFX_Rect& bbox,
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FX_BOOL bCharCode = FALSE);
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FX_BOOL GetBBox(CFX_Rect& bbox);
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int32_t GetItalicAngle() const;
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void Reset();
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CFGAS_GEFont* GetSubstFont(int32_t iGlyphIndex) const;
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CFX_Font* GetDevFont() const { return m_pFont; }
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void SetFontProvider(CXFA_PDFFontMgr* pProvider) { m_pProvider = pProvider; }
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#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
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void SetLogicalFontStyle(uint32_t dwLogFontStyle) {
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m_bUseLogFontStyle = TRUE;
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m_dwLogFontStyle = dwLogFontStyle;
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}
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#endif
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protected:
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explicit CFGAS_GEFont(IFGAS_FontMgr* pFontMgr);
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CFGAS_GEFont(const CFGAS_GEFont& src, uint32_t dwFontStyles);
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#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
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FX_BOOL LoadFontInternal(const FX_WCHAR* pszFontFamily,
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uint32_t dwFontStyles,
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uint16_t wCodePage);
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FX_BOOL LoadFontInternal(const uint8_t* pBuffer, int32_t length);
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FX_BOOL LoadFontInternal(IFX_Stream* pFontStream, FX_BOOL bSaveStream);
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#endif
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FX_BOOL LoadFontInternal(CFX_Font* pExtFont);
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FX_BOOL InitFont();
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FX_BOOL GetCharBBoxInternal(FX_WCHAR wUnicode,
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CFX_Rect& bbox,
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FX_BOOL bRecursive,
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FX_BOOL bCharCode = FALSE);
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FX_BOOL GetCharWidthInternal(FX_WCHAR wUnicode,
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int32_t& iWidth,
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FX_BOOL bRecursive,
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FX_BOOL bCharCode = FALSE);
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int32_t GetGlyphIndex(FX_WCHAR wUnicode,
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FX_BOOL bRecursive,
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CFGAS_GEFont** ppFont,
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FX_BOOL bCharCode = FALSE);
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#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
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FX_BOOL m_bUseLogFontStyle;
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uint32_t m_dwLogFontStyle;
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#endif
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CFX_Font* m_pFont;
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IFGAS_FontMgr* m_pFontMgr;
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int32_t m_iRefCount;
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FX_BOOL m_bExtFont;
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IFX_Stream* m_pStream;
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IFX_FileRead* m_pFileRead;
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CFX_UnicodeEncoding* m_pFontEncoding;
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CFX_WordDiscreteArray* m_pCharWidthMap;
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CFX_MassArrayTemplate<CFX_Rect>* m_pRectArray;
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CFX_MapPtrToPtr* m_pBBoxMap;
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CXFA_PDFFontMgr* m_pProvider;
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CFX_ArrayTemplate<CFGAS_GEFont*> m_SubstFonts;
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std::map<FX_WCHAR, CFGAS_GEFont*> m_FontMapper;
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};
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#endif // XFA_FGAS_FONT_FGAS_GEFONT_H_
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