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118 lines
4.6 KiB
118 lines
4.6 KiB
// 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_CFGAS_GEFONT_H_ |
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#define XFA_FGAS_FONT_CFGAS_GEFONT_H_ |
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#include <map> |
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#include <memory> |
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#include <vector> |
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#include "core/fxcrt/cfx_retain_ptr.h" |
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#include "core/fxcrt/fx_memory.h" |
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#include "xfa/fgas/crt/fgas_utils.h" |
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#include "xfa/fgas/font/cfgas_fontmgr.h" |
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#define FXFONT_SUBST_ITALIC 0x02 |
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class CFGAS_FontMgr; |
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class CFX_UnicodeEncoding; |
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class CXFA_PDFFontMgr; |
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class CFGAS_GEFont : public CFX_Retainable { |
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public: |
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template <typename T> |
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friend class CFX_RetainPtr; |
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template <typename T, typename... Args> |
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friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); |
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static CFX_RetainPtr<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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CFGAS_FontMgr* pFontMgr); |
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static CFX_RetainPtr<CFGAS_GEFont> LoadFont(CFX_Font* pExternalFont, |
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CFGAS_FontMgr* pFontMgr); |
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static CFX_RetainPtr<CFGAS_GEFont> LoadFont( |
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std::unique_ptr<CFX_Font> pInternalFont, |
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CFGAS_FontMgr* pFontMgr); |
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#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
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static CFX_RetainPtr<CFGAS_GEFont> LoadFont(const uint8_t* pBuffer, |
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int32_t iLength, |
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CFGAS_FontMgr* pFontMgr); |
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static CFX_RetainPtr<CFGAS_GEFont> LoadFont( |
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const CFX_RetainPtr<IFGAS_Stream>& pFontStream, |
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CFGAS_FontMgr* pFontMgr, |
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bool bSaveStream); |
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#endif |
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CFX_RetainPtr<CFGAS_GEFont> Derive(uint32_t dwFontStyles, |
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uint16_t wCodePage = 0); |
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uint32_t GetFontStyles() const; |
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bool GetCharWidth(FX_WCHAR wUnicode, int32_t& iWidth, bool bCharCode); |
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int32_t GetGlyphIndex(FX_WCHAR wUnicode, bool bCharCode = false); |
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int32_t GetAscent() const; |
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int32_t GetDescent() const; |
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bool GetCharBBox(FX_WCHAR wUnicode, CFX_Rect* bbox, bool bCharCode = false); |
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bool GetBBox(CFX_Rect* bbox); |
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CFX_RetainPtr<CFGAS_GEFont> GetSubstFont(int32_t iGlyphIndex); |
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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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private: |
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explicit CFGAS_GEFont(CFGAS_FontMgr* pFontMgr); |
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CFGAS_GEFont(const CFX_RetainPtr<CFGAS_GEFont>& src, uint32_t dwFontStyles); |
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~CFGAS_GEFont() override; |
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#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
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bool LoadFontInternal(const FX_WCHAR* pszFontFamily, |
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uint32_t dwFontStyles, |
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uint16_t wCodePage); |
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bool LoadFontInternal(const uint8_t* pBuffer, int32_t length); |
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bool LoadFontInternal(const CFX_RetainPtr<IFGAS_Stream>& pFontStream, |
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bool bSaveStream); |
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#endif |
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bool LoadFontInternal(CFX_Font* pExternalFont); |
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bool LoadFontInternal(std::unique_ptr<CFX_Font> pInternalFont); |
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bool InitFont(); |
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bool GetCharBBoxInternal(FX_WCHAR wUnicode, |
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CFX_Rect* bbox, |
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bool bRecursive, |
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bool bCharCode = false); |
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bool GetCharWidthInternal(FX_WCHAR wUnicode, |
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int32_t& iWidth, |
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bool bRecursive, |
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bool bCharCode); |
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int32_t GetGlyphIndex(FX_WCHAR wUnicode, |
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bool bRecursive, |
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CFX_RetainPtr<CFGAS_GEFont>* ppFont, |
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bool bCharCode = false); |
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CFX_WideString GetFamilyName() const; |
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#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
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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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CFX_RetainPtr<CFGAS_GEFont> m_pSrcFont; // Only set by ctor, so no cycles. |
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CFGAS_FontMgr* const m_pFontMgr; |
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bool m_bExternalFont; |
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CFX_RetainPtr<IFGAS_Stream> m_pStream; |
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CFX_RetainPtr<IFX_SeekableReadStream> m_pFileRead; |
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std::unique_ptr<CFX_UnicodeEncoding> m_pFontEncoding; |
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std::unique_ptr<CFX_DiscreteArrayTemplate<uint16_t>> m_pCharWidthMap; |
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std::map<FX_WCHAR, CFX_Rect> m_BBoxMap; |
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CXFA_PDFFontMgr* m_pProvider; // not owned. |
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std::vector<CFX_RetainPtr<CFGAS_GEFont>> m_SubstFonts; |
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std::map<FX_WCHAR, CFX_RetainPtr<CFGAS_GEFont>> m_FontMapper; |
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}; |
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#endif // XFA_FGAS_FONT_CFGAS_GEFONT_H_
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