| // Copyright 2016 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 CORE_FPDFDOC_INCLUDE_CPDF_VARIABLETEXT_H_ |
| #define CORE_FPDFDOC_INCLUDE_CPDF_VARIABLETEXT_H_ |
| |
| #include <memory> |
| |
| #include "core/fpdfdoc/cpvt_arraytemplate.h" |
| #include "core/fpdfdoc/cpvt_floatrect.h" |
| #include "core/fpdfdoc/cpvt_lineinfo.h" |
| #include "core/fpdfdoc/include/cpvt_line.h" |
| #include "core/fpdfdoc/include/cpvt_wordplace.h" |
| #include "core/fpdfdoc/include/cpvt_wordrange.h" |
| #include "core/fxcrt/include/fx_coordinates.h" |
| #include "core/fxcrt/include/fx_string.h" |
| #include "core/fxcrt/include/fx_system.h" |
| #include "core/fxge/include/fx_font.h" |
| |
| class CSection; |
| class IPVT_FontMap; |
| |
| struct CPVT_SecProps; |
| struct CPVT_Section; |
| struct CPVT_SectionInfo; |
| struct CPVT_Word; |
| struct CPVT_WordInfo; |
| struct CPVT_WordProps; |
| |
| #define VARIABLETEXT_HALF 0.5f |
| |
| class CPDF_VariableText { |
| public: |
| enum class ScriptType { Normal, Super, Sub }; |
| |
| class Iterator { |
| public: |
| explicit Iterator(CPDF_VariableText* pVT); |
| ~Iterator(); |
| |
| FX_BOOL NextWord(); |
| FX_BOOL PrevWord(); |
| FX_BOOL NextLine(); |
| FX_BOOL PrevLine(); |
| FX_BOOL NextSection(); |
| FX_BOOL PrevSection(); |
| FX_BOOL SetWord(const CPVT_Word& word); |
| FX_BOOL GetWord(CPVT_Word& word) const; |
| FX_BOOL GetLine(CPVT_Line& line) const; |
| FX_BOOL GetSection(CPVT_Section& section) const; |
| FX_BOOL SetSection(const CPVT_Section& section); |
| void SetAt(int32_t nWordIndex); |
| void SetAt(const CPVT_WordPlace& place); |
| const CPVT_WordPlace& GetAt() const { return m_CurPos; } |
| |
| private: |
| CPVT_WordPlace m_CurPos; |
| CPDF_VariableText* const m_pVT; |
| }; |
| |
| class Provider { |
| public: |
| explicit Provider(IPVT_FontMap* pFontMap); |
| virtual ~Provider(); |
| |
| virtual int32_t GetCharWidth(int32_t nFontIndex, |
| uint16_t word, |
| int32_t nWordStyle); |
| virtual int32_t GetTypeAscent(int32_t nFontIndex); |
| virtual int32_t GetTypeDescent(int32_t nFontIndex); |
| virtual int32_t GetWordFontIndex(uint16_t word, |
| int32_t charset, |
| int32_t nFontIndex); |
| virtual FX_BOOL IsLatinWord(uint16_t word); |
| virtual int32_t GetDefaultFontIndex(); |
| |
| private: |
| IPVT_FontMap* const m_pFontMap; |
| }; |
| |
| CPDF_VariableText(); |
| ~CPDF_VariableText(); |
| |
| void SetProvider(CPDF_VariableText::Provider* pProvider); |
| CPDF_VariableText::Iterator* GetIterator(); |
| |
| void SetContentRect(const CPVT_FloatRect& rect); |
| CFX_FloatRect GetContentRect() const; |
| void SetPlateRect(const CFX_FloatRect& rect); |
| const CFX_FloatRect& GetPlateRect() const; |
| |
| void SetAlignment(int32_t nFormat) { m_nAlignment = nFormat; } |
| void SetPasswordChar(uint16_t wSubWord) { m_wSubWord = wSubWord; } |
| void SetLimitChar(int32_t nLimitChar) { m_nLimitChar = nLimitChar; } |
| void SetCharSpace(FX_FLOAT fCharSpace) { m_fCharSpace = fCharSpace; } |
| void SetMultiLine(FX_BOOL bMultiLine) { m_bMultiLine = bMultiLine; } |
| void SetAutoReturn(FX_BOOL bAuto) { m_bLimitWidth = bAuto; } |
| void SetFontSize(FX_FLOAT fFontSize) { m_fFontSize = fFontSize; } |
| void SetCharArray(int32_t nCharArray) { m_nCharArray = nCharArray; } |
| void SetAutoFontSize(FX_BOOL bAuto) { m_bAutoFontSize = bAuto; } |
| void Initialize(); |
| |
| FX_BOOL IsValid() const { return m_bInitial; } |
| |
| void RearrangeAll(); |
| void RearrangePart(const CPVT_WordRange& PlaceRange); |
| void ResetAll(); |
| void SetText(const FX_WCHAR* text); |
| CPVT_WordPlace InsertWord(const CPVT_WordPlace& place, |
| uint16_t word, |
| int32_t charset, |
| const CPVT_WordProps* pWordProps); |
| CPVT_WordPlace InsertSection(const CPVT_WordPlace& place, |
| const CPVT_SecProps* pSecProps, |
| const CPVT_WordProps* pWordProps); |
| CPVT_WordPlace InsertText(const CPVT_WordPlace& place, const FX_WCHAR* text); |
| CPVT_WordPlace DeleteWords(const CPVT_WordRange& PlaceRange); |
| CPVT_WordPlace DeleteWord(const CPVT_WordPlace& place); |
| CPVT_WordPlace BackSpaceWord(const CPVT_WordPlace& place); |
| |
| int32_t GetTotalWords() const; |
| FX_FLOAT GetFontSize() const { return m_fFontSize; } |
| int32_t GetAlignment() const { return m_nAlignment; } |
| uint16_t GetPasswordChar() const { return GetSubWord(); } |
| int32_t GetCharArray() const { return m_nCharArray; } |
| int32_t GetLimitChar() const { return m_nLimitChar; } |
| FX_BOOL IsMultiLine() const { return m_bMultiLine; } |
| int32_t GetHorzScale() const { return m_nHorzScale; } |
| FX_FLOAT GetCharSpace() const { return m_fCharSpace; } |
| CPVT_WordPlace GetBeginWordPlace() const; |
| CPVT_WordPlace GetEndWordPlace() const; |
| CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace& place) const; |
| CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace& place) const; |
| CPVT_WordPlace SearchWordPlace(const CFX_FloatPoint& point) const; |
| CPVT_WordPlace GetUpWordPlace(const CPVT_WordPlace& place, |
| const CFX_FloatPoint& point) const; |
| CPVT_WordPlace GetDownWordPlace(const CPVT_WordPlace& place, |
| const CFX_FloatPoint& point) const; |
| CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace& place) const; |
| CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace& place) const; |
| CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace& place) const; |
| CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace& place) const; |
| void UpdateWordPlace(CPVT_WordPlace& place) const; |
| CPVT_WordPlace AdjustLineHeader(const CPVT_WordPlace& place, |
| FX_BOOL bPrevOrNext) const; |
| int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const; |
| CPVT_WordPlace WordIndexToWordPlace(int32_t index) const; |
| |
| uint16_t GetSubWord() const { return m_wSubWord; } |
| |
| FX_FLOAT GetPlateWidth() const { return m_rcPlate.right - m_rcPlate.left; } |
| FX_FLOAT GetPlateHeight() const { return m_rcPlate.top - m_rcPlate.bottom; } |
| CFX_SizeF GetPlateSize() const; |
| CFX_FloatPoint GetBTPoint() const; |
| CFX_FloatPoint GetETPoint() const; |
| |
| CFX_FloatPoint InToOut(const CFX_FloatPoint& point) const; |
| CFX_FloatPoint OutToIn(const CFX_FloatPoint& point) const; |
| CFX_FloatRect InToOut(const CPVT_FloatRect& rect) const; |
| CPVT_FloatRect OutToIn(const CFX_FloatRect& rect) const; |
| |
| private: |
| friend class CTypeset; |
| friend class CSection; |
| |
| int32_t GetCharWidth(int32_t nFontIndex, |
| uint16_t Word, |
| uint16_t SubWord, |
| int32_t nWordStyle); |
| int32_t GetTypeAscent(int32_t nFontIndex); |
| int32_t GetTypeDescent(int32_t nFontIndex); |
| int32_t GetWordFontIndex(uint16_t word, int32_t charset, int32_t nFontIndex); |
| int32_t GetDefaultFontIndex(); |
| FX_BOOL IsLatinWord(uint16_t word); |
| |
| CPVT_WordPlace AddSection(const CPVT_WordPlace& place, |
| const CPVT_SectionInfo& secinfo); |
| CPVT_WordPlace AddLine(const CPVT_WordPlace& place, |
| const CPVT_LineInfo& lineinfo); |
| CPVT_WordPlace AddWord(const CPVT_WordPlace& place, |
| const CPVT_WordInfo& wordinfo); |
| FX_BOOL GetWordInfo(const CPVT_WordPlace& place, CPVT_WordInfo& wordinfo); |
| FX_BOOL SetWordInfo(const CPVT_WordPlace& place, |
| const CPVT_WordInfo& wordinfo); |
| FX_BOOL GetLineInfo(const CPVT_WordPlace& place, CPVT_LineInfo& lineinfo); |
| FX_BOOL GetSectionInfo(const CPVT_WordPlace& place, |
| CPVT_SectionInfo& secinfo); |
| FX_FLOAT GetWordFontSize(const CPVT_WordInfo& WordInfo); |
| FX_FLOAT GetWordWidth(int32_t nFontIndex, |
| uint16_t Word, |
| uint16_t SubWord, |
| FX_FLOAT fCharSpace, |
| int32_t nHorzScale, |
| FX_FLOAT fFontSize, |
| FX_FLOAT fWordTail, |
| int32_t nWordStyle); |
| FX_FLOAT GetWordWidth(const CPVT_WordInfo& WordInfo); |
| FX_FLOAT GetWordAscent(const CPVT_WordInfo& WordInfo, FX_FLOAT fFontSize); |
| FX_FLOAT GetWordDescent(const CPVT_WordInfo& WordInfo, FX_FLOAT fFontSize); |
| FX_FLOAT GetWordAscent(const CPVT_WordInfo& WordInfo); |
| FX_FLOAT GetWordDescent(const CPVT_WordInfo& WordInfo); |
| FX_FLOAT GetLineAscent(const CPVT_SectionInfo& SecInfo); |
| FX_FLOAT GetLineDescent(const CPVT_SectionInfo& SecInfo); |
| FX_FLOAT GetFontAscent(int32_t nFontIndex, FX_FLOAT fFontSize); |
| FX_FLOAT GetFontDescent(int32_t nFontIndex, FX_FLOAT fFontSize); |
| int32_t GetWordFontIndex(const CPVT_WordInfo& WordInfo); |
| FX_FLOAT GetCharSpace(const CPVT_WordInfo& WordInfo); |
| int32_t GetHorzScale(const CPVT_WordInfo& WordInfo); |
| FX_FLOAT GetLineLeading(const CPVT_SectionInfo& SecInfo); |
| FX_FLOAT GetLineIndent(const CPVT_SectionInfo& SecInfo); |
| int32_t GetAlignment(const CPVT_SectionInfo& SecInfo); |
| |
| void ClearSectionRightWords(const CPVT_WordPlace& place); |
| |
| FX_BOOL ClearEmptySection(const CPVT_WordPlace& place); |
| void ClearEmptySections(const CPVT_WordRange& PlaceRange); |
| void LinkLatterSection(const CPVT_WordPlace& place); |
| void ClearWords(const CPVT_WordRange& PlaceRange); |
| CPVT_WordPlace ClearLeftWord(const CPVT_WordPlace& place); |
| CPVT_WordPlace ClearRightWord(const CPVT_WordPlace& place); |
| |
| CPVT_FloatRect Rearrange(const CPVT_WordRange& PlaceRange); |
| FX_FLOAT GetAutoFontSize(); |
| bool IsBigger(FX_FLOAT fFontSize) const; |
| CPVT_FloatRect RearrangeSections(const CPVT_WordRange& PlaceRange); |
| |
| void ResetSectionArray(); |
| |
| CPVT_ArrayTemplate<CSection*> m_SectionArray; |
| int32_t m_nLimitChar; |
| int32_t m_nCharArray; |
| FX_BOOL m_bMultiLine; |
| FX_BOOL m_bLimitWidth; |
| FX_BOOL m_bAutoFontSize; |
| int32_t m_nAlignment; |
| FX_FLOAT m_fLineLeading; |
| FX_FLOAT m_fCharSpace; |
| int32_t m_nHorzScale; |
| uint16_t m_wSubWord; |
| FX_FLOAT m_fFontSize; |
| FX_BOOL m_bInitial; |
| CPDF_VariableText::Provider* m_pVTProvider; |
| std::unique_ptr<CPDF_VariableText::Iterator> m_pVTIterator; |
| CFX_FloatRect m_rcPlate; |
| CPVT_FloatRect m_rcContent; |
| }; |
| |
| #endif // CORE_FPDFDOC_INCLUDE_CPDF_VARIABLETEXT_H_ |
