| // 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_CPDF_VARIABLETEXT_H_ |
| #define CORE_FPDFDOC_CPDF_VARIABLETEXT_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fpdfdoc/cpvt_floatrect.h" |
| #include "core/fpdfdoc/cpvt_line.h" |
| #include "core/fpdfdoc/cpvt_lineinfo.h" |
| #include "core/fpdfdoc/cpvt_wordplace.h" |
| #include "core/fpdfdoc/cpvt_wordrange.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| |
| class CPVT_Section; |
| class CPVT_Word; |
| class IPVT_FontMap; |
| struct CPVT_WordInfo; |
| |
| #define VARIABLETEXT_HALF 0.5f |
| |
| class CPDF_VariableText { |
| public: |
| class Iterator { |
| public: |
| explicit Iterator(CPDF_VariableText* pVT); |
| ~Iterator(); |
| |
| bool NextWord(); |
| bool PrevWord(); |
| bool NextLine(); |
| bool GetWord(CPVT_Word& word) const; |
| bool GetLine(CPVT_Line& line) const; |
| void SetAt(int32_t nWordIndex); |
| void SetAt(const CPVT_WordPlace& place); |
| const CPVT_WordPlace& GetWordPlace() const { return m_CurPos; } |
| |
| private: |
| CPVT_WordPlace m_CurPos; |
| UnownedPtr<CPDF_VariableText> const m_pVT; |
| }; |
| |
| class Provider { |
| public: |
| explicit Provider(IPVT_FontMap* pFontMap); |
| virtual ~Provider(); |
| |
| virtual int GetCharWidth(int32_t nFontIndex, uint16_t word); |
| 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 int32_t GetDefaultFontIndex(); |
| |
| IPVT_FontMap* GetFontMap() { return m_pFontMap.Get(); } |
| |
| private: |
| UnownedPtr<IPVT_FontMap> const m_pFontMap; |
| }; |
| |
| CPDF_VariableText(); |
| ~CPDF_VariableText(); |
| |
| void SetProvider(CPDF_VariableText::Provider* pProvider); |
| CPDF_VariableText::Iterator* GetIterator(); |
| |
| 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(float fCharSpace) { m_fCharSpace = fCharSpace; } |
| void SetMultiLine(bool bMultiLine) { m_bMultiLine = bMultiLine; } |
| void SetAutoReturn(bool bAuto) { m_bLimitWidth = bAuto; } |
| void SetFontSize(float fFontSize) { m_fFontSize = fFontSize; } |
| void SetCharArray(int32_t nCharArray) { m_nCharArray = nCharArray; } |
| void SetAutoFontSize(bool bAuto) { m_bAutoFontSize = bAuto; } |
| void Initialize(); |
| |
| bool IsValid() const { return m_bInitialized; } |
| |
| void RearrangeAll(); |
| void RearrangePart(const CPVT_WordRange& PlaceRange); |
| void SetText(const WideString& text); |
| CPVT_WordPlace InsertWord(const CPVT_WordPlace& place, |
| uint16_t word, |
| int32_t charset); |
| CPVT_WordPlace InsertSection(const CPVT_WordPlace& place); |
| 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; |
| 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; } |
| bool IsMultiLine() const { return m_bMultiLine; } |
| float GetCharSpace() const { return m_fCharSpace; } |
| bool IsAutoReturn() const { return m_bLimitWidth; } |
| |
| 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_PointF& point) const; |
| CPVT_WordPlace GetUpWordPlace(const CPVT_WordPlace& place, |
| const CFX_PointF& point) const; |
| CPVT_WordPlace GetDownWordPlace(const CPVT_WordPlace& place, |
| const CFX_PointF& 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, |
| 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; } |
| |
| float GetPlateWidth() const { return m_rcPlate.right - m_rcPlate.left; } |
| float GetPlateHeight() const { return m_rcPlate.top - m_rcPlate.bottom; } |
| CFX_PointF GetBTPoint() const; |
| CFX_PointF GetETPoint() const; |
| |
| CFX_PointF InToOut(const CFX_PointF& point) const; |
| CFX_PointF OutToIn(const CFX_PointF& point) const; |
| CFX_FloatRect InToOut(const CPVT_FloatRect& rect) const; |
| CPVT_FloatRect OutToIn(const CFX_FloatRect& rect) const; |
| |
| float GetFontAscent(int32_t nFontIndex, float fFontSize); |
| float GetFontDescent(int32_t nFontIndex, float fFontSize); |
| int32_t GetDefaultFontIndex(); |
| float GetLineLeading(); |
| int32_t GetAlignment(); |
| float GetWordWidth(const CPVT_WordInfo& WordInfo); |
| float GetWordWidth(int32_t nFontIndex, |
| uint16_t Word, |
| uint16_t SubWord, |
| float fCharSpace, |
| float fFontSize, |
| float fWordTail); |
| float GetWordAscent(const CPVT_WordInfo& WordInfo); |
| float GetWordDescent(const CPVT_WordInfo& WordInfo); |
| float GetWordAscent(const CPVT_WordInfo& WordInfo, float fFontSize); |
| float GetWordDescent(const CPVT_WordInfo& WordInfo, float fFontSize); |
| float GetLineAscent(); |
| float GetLineDescent(); |
| float GetLineIndent(); |
| |
| private: |
| int GetCharWidth(int32_t nFontIndex, uint16_t Word, uint16_t SubWord); |
| int32_t GetWordFontIndex(uint16_t word, int32_t charset, int32_t nFontIndex); |
| |
| CPVT_WordPlace AddSection(const CPVT_WordPlace& place); |
| CPVT_WordPlace AddLine(const CPVT_WordPlace& place, |
| const CPVT_LineInfo& lineinfo); |
| CPVT_WordPlace AddWord(const CPVT_WordPlace& place, |
| const CPVT_WordInfo& wordinfo); |
| float GetWordFontSize(); |
| |
| void ClearSectionRightWords(const CPVT_WordPlace& place); |
| |
| 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); |
| |
| void Rearrange(const CPVT_WordRange& PlaceRange); |
| float GetAutoFontSize(); |
| bool IsBigger(float fFontSize) const; |
| CPVT_FloatRect RearrangeSections(const CPVT_WordRange& PlaceRange); |
| |
| bool m_bInitialized = false; |
| bool m_bMultiLine = false; |
| bool m_bLimitWidth = false; |
| bool m_bAutoFontSize = false; |
| uint16_t m_wSubWord = 0; |
| int32_t m_nLimitChar = 0; |
| int32_t m_nCharArray = 0; |
| int32_t m_nAlignment = 0; |
| float m_fLineLeading = 0.0f; |
| float m_fCharSpace = 0.0f; |
| float m_fFontSize = 0.0f; |
| std::vector<std::unique_ptr<CPVT_Section>> m_SectionArray; |
| UnownedPtr<CPDF_VariableText::Provider> m_pVTProvider; |
| std::unique_ptr<CPDF_VariableText::Iterator> m_pVTIterator; |
| CFX_FloatRect m_rcPlate; |
| CPVT_FloatRect m_rcContent; |
| }; |
| |
| #endif // CORE_FPDFDOC_CPDF_VARIABLETEXT_H_ |