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Unified Diff: core/fpdfdoc/include/cpdf_variabletext.h

Issue 1860063002: Remove core/include/fpdfdoc/fpdf_vt.h (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 8 months ago
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Index: core/fpdfdoc/include/cpdf_variabletext.h
diff --git a/core/fpdfdoc/include/cpdf_variabletext.h b/core/fpdfdoc/include/cpdf_variabletext.h
new file mode 100644
index 0000000000000000000000000000000000000000..b73d3df8c1da63ebee9912008cab1dc6010cd182
--- /dev/null
+++ b/core/fpdfdoc/include/cpdf_variabletext.h
@@ -0,0 +1,253 @@
+// 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 "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/fpdfdoc/pdf_vt.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "core/fxcrt/include/fx_string.h"
+#include "core/fxcrt/include/fx_system.h"
+
+class CSection;
+class IPVT_FontMap;
+
+struct CPVT_SecProps;
+struct CPVT_Section;
+struct CPVT_SectionInfo;
+struct CPVT_Word;
+struct CPVT_WordProps;
+struct CPVT_WordInfo;
+
+#define VARIABLETEXT_HALF 0.5f
+
+class CPDF_VariableText : private CPDF_EditContainer {
+ 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:
+ 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* m_pFontMap;
+ };
+
+ CPDF_VariableText();
+ virtual ~CPDF_VariableText();
+
+ CPDF_VariableText::Provider* SetProvider(
+ CPDF_VariableText::Provider* pProvider);
+ CPDF_VariableText::Iterator* GetIterator();
+
+ // CPDF_EditContainer.
+ void SetPlateRect(const CFX_FloatRect& rect) override {
+ CPDF_EditContainer::SetPlateRect(rect);
+ }
+ CFX_FloatRect GetContentRect() const override;
+ const CFX_FloatRect& GetPlateRect() const override {
+ return CPDF_EditContainer::GetPlateRect();
+ }
+
+ void SetAlignment(int32_t nFormat = 0) { m_nAlignment = nFormat; }
+ void SetPasswordChar(uint16_t wSubWord = '*') { m_wSubWord = wSubWord; }
+ void SetLimitChar(int32_t nLimitChar = 0) { m_nLimitChar = nLimitChar; }
+ void SetCharSpace(FX_FLOAT fCharSpace = 0.0f) { m_fCharSpace = fCharSpace; }
+ void SetHorzScale(int32_t nHorzScale = 100) { m_nHorzScale = nHorzScale; }
+ void SetMultiLine(FX_BOOL bMultiLine = TRUE) { m_bMultiLine = bMultiLine; }
+ void SetAutoReturn(FX_BOOL bAuto = TRUE) { m_bLimitWidth = bAuto; }
+ void SetFontSize(FX_FLOAT fFontSize) { m_fFontSize = fFontSize; }
+ void SetCharArray(int32_t nCharArray = 0) { m_nCharArray = nCharArray; }
+ void SetAutoFontSize(FX_BOOL bAuto = TRUE) { m_bAutoFontSize = bAuto; }
+ void SetRichText(FX_BOOL bRichText) { m_bRichText = bRichText; }
+ void SetLineLeading(FX_FLOAT fLineLeading) { m_fLineLeading = fLineLeading; }
+ void Initialize();
+ FX_BOOL IsValid() const { return m_bInitial; }
+ FX_BOOL IsRichText() const { return m_bRichText; }
+ void RearrangeAll();
+ void RearrangePart(const CPVT_WordRange& PlaceRange);
+ void ResetAll();
+ void SetText(const FX_WCHAR* text,
+ int32_t charset = 1,
+ const CPVT_SecProps* pSecProps = NULL,
+ const CPVT_WordProps* pWordProps = NULL);
+ CPVT_WordPlace InsertWord(const CPVT_WordPlace& place,
+ uint16_t word,
+ int32_t charset = 1,
+ const CPVT_WordProps* pWordProps = NULL);
+ CPVT_WordPlace InsertSection(const CPVT_WordPlace& place,
+ const CPVT_SecProps* pSecProps = NULL,
+ const CPVT_WordProps* pWordProps = NULL);
+ CPVT_WordPlace InsertText(const CPVT_WordPlace& place,
+ const FX_WCHAR* text,
+ int32_t charset = 1,
+ const CPVT_SecProps* pSecProps = NULL,
+ const CPVT_WordProps* pWordProps = NULL);
+ 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; }
+
+ 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_BOOL bFactFontSize = FALSE);
+ 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_BOOL bFactFontSize = FALSE);
+ FX_FLOAT GetWordDescent(const CPVT_WordInfo& WordInfo,
+ FX_BOOL bFactFontSize = FALSE);
+ 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();
+ FX_BOOL IsBigger(FX_FLOAT fFontSize);
+ 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;
+ FX_BOOL m_bRichText;
+ CPDF_VariableText::Provider* m_pVTProvider;
+ CPDF_VariableText::Iterator* m_pVTIterator;
+};
+
+#endif // CORE_FPDFDOC_INCLUDE_CPDF_VARIABLETEXT_H_
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