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| 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 |
| 7 #ifndef CORE_FPDFDOC_PDF_VT_H_ |
| 8 #define CORE_FPDFDOC_PDF_VT_H_ |
| 9 |
| 10 #include "core/fpdfdoc/cpvt_floatrect.h" |
| 11 #include "core/fpdfdoc/cpvt_lineinfo.h" |
| 12 #include "core/fpdfdoc/include/cpvt_wordrange.h" |
| 13 |
| 14 class CPDF_VariableText; |
| 15 |
| 16 struct CPVT_WordInfo; |
| 17 |
| 18 #define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) |
| 19 #define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb))) |
| 20 #define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb))) |
| 21 #define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb)) |
| 22 |
| 23 class CPVT_Size { |
| 24 public: |
| 25 CPVT_Size() : x(0.0f), y(0.0f) {} |
| 26 CPVT_Size(FX_FLOAT other_x, FX_FLOAT other_y) { |
| 27 x = other_x; |
| 28 y = other_y; |
| 29 } |
| 30 FX_FLOAT x, y; |
| 31 }; |
| 32 |
| 33 struct CPVT_FloatRange { |
| 34 CPVT_FloatRange() : fMin(0.0f), fMax(0.0f) {} |
| 35 CPVT_FloatRange(FX_FLOAT min, FX_FLOAT max) : fMin(min), fMax(max) {} |
| 36 FX_FLOAT Range() const { return fMax - fMin; } |
| 37 FX_FLOAT fMin, fMax; |
| 38 }; |
| 39 template <class TYPE> |
| 40 class CPVT_ArrayTemplate : public CFX_ArrayTemplate<TYPE> { |
| 41 public: |
| 42 FX_BOOL IsEmpty() { return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; } |
| 43 TYPE GetAt(int nIndex) const { |
| 44 if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) { |
| 45 return CFX_ArrayTemplate<TYPE>::GetAt(nIndex); |
| 46 } |
| 47 return NULL; |
| 48 } |
| 49 void RemoveAt(int nIndex) { |
| 50 if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) { |
| 51 CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex); |
| 52 } |
| 53 } |
| 54 }; |
| 55 class CLine { |
| 56 public: |
| 57 CLine(); |
| 58 virtual ~CLine(); |
| 59 CPVT_WordPlace GetBeginWordPlace() const; |
| 60 CPVT_WordPlace GetEndWordPlace() const; |
| 61 CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace& place) const; |
| 62 CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace& place) const; |
| 63 CPVT_WordPlace LinePlace; |
| 64 CPVT_LineInfo m_LineInfo; |
| 65 }; |
| 66 class CLines { |
| 67 public: |
| 68 CLines() : m_nTotal(0) {} |
| 69 virtual ~CLines() { RemoveAll(); } |
| 70 int32_t GetSize() const { return m_Lines.GetSize(); } |
| 71 CLine* GetAt(int32_t nIndex) const { return m_Lines.GetAt(nIndex); } |
| 72 void Empty() { m_nTotal = 0; } |
| 73 void RemoveAll() { |
| 74 for (int32_t i = 0, sz = GetSize(); i < sz; i++) { |
| 75 delete GetAt(i); |
| 76 } |
| 77 m_Lines.RemoveAll(); |
| 78 m_nTotal = 0; |
| 79 } |
| 80 int32_t Add(const CPVT_LineInfo& lineinfo) { |
| 81 if (m_nTotal >= GetSize()) { |
| 82 CLine* pLine = new CLine; |
| 83 pLine->m_LineInfo = lineinfo; |
| 84 m_Lines.Add(pLine); |
| 85 } else if (CLine* pLine = GetAt(m_nTotal)) { |
| 86 pLine->m_LineInfo = lineinfo; |
| 87 } |
| 88 return m_nTotal++; |
| 89 } |
| 90 void Clear() { |
| 91 for (int32_t i = GetSize() - 1; i >= m_nTotal; i--) { |
| 92 delete GetAt(i); |
| 93 m_Lines.RemoveAt(i); |
| 94 } |
| 95 } |
| 96 |
| 97 private: |
| 98 CPVT_ArrayTemplate<CLine*> m_Lines; |
| 99 int32_t m_nTotal; |
| 100 }; |
| 101 |
| 102 class CPDF_EditContainer { |
| 103 public: |
| 104 CPDF_EditContainer() : m_rcPlate(0, 0, 0, 0), m_rcContent(0, 0, 0, 0) {} |
| 105 virtual ~CPDF_EditContainer() {} |
| 106 virtual void SetPlateRect(const CFX_FloatRect& rect) { m_rcPlate = rect; } |
| 107 virtual const CFX_FloatRect& GetPlateRect() const { return m_rcPlate; } |
| 108 virtual void SetContentRect(const CPVT_FloatRect& rect) { |
| 109 m_rcContent = rect; |
| 110 } |
| 111 virtual CFX_FloatRect GetContentRect() const { return m_rcContent; } |
| 112 FX_FLOAT GetPlateWidth() const { return m_rcPlate.right - m_rcPlate.left; } |
| 113 FX_FLOAT GetPlateHeight() const { return m_rcPlate.top - m_rcPlate.bottom; } |
| 114 CPVT_Size GetPlateSize() const { |
| 115 return CPVT_Size(GetPlateWidth(), GetPlateHeight()); |
| 116 } |
| 117 CFX_FloatPoint GetBTPoint() const { |
| 118 return CFX_FloatPoint(m_rcPlate.left, m_rcPlate.top); |
| 119 } |
| 120 CFX_FloatPoint GetETPoint() const { |
| 121 return CFX_FloatPoint(m_rcPlate.right, m_rcPlate.bottom); |
| 122 } |
| 123 inline CFX_FloatPoint InToOut(const CFX_FloatPoint& point) const { |
| 124 return CFX_FloatPoint(point.x + GetBTPoint().x, GetBTPoint().y - point.y); |
| 125 } |
| 126 inline CFX_FloatPoint OutToIn(const CFX_FloatPoint& point) const { |
| 127 return CFX_FloatPoint(point.x - GetBTPoint().x, GetBTPoint().y - point.y); |
| 128 } |
| 129 inline CFX_FloatRect InToOut(const CPVT_FloatRect& rect) const { |
| 130 CFX_FloatPoint ptLeftTop = InToOut(CFX_FloatPoint(rect.left, rect.top)); |
| 131 CFX_FloatPoint ptRightBottom = |
| 132 InToOut(CFX_FloatPoint(rect.right, rect.bottom)); |
| 133 return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x, |
| 134 ptLeftTop.y); |
| 135 } |
| 136 inline CPVT_FloatRect OutToIn(const CFX_FloatRect& rect) const { |
| 137 CFX_FloatPoint ptLeftTop = OutToIn(CFX_FloatPoint(rect.left, rect.top)); |
| 138 CFX_FloatPoint ptRightBottom = |
| 139 OutToIn(CFX_FloatPoint(rect.right, rect.bottom)); |
| 140 return CPVT_FloatRect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x, |
| 141 ptRightBottom.y); |
| 142 } |
| 143 |
| 144 private: |
| 145 CFX_FloatRect m_rcPlate; |
| 146 CPVT_FloatRect m_rcContent; |
| 147 }; |
| 148 |
| 149 #endif // CORE_FPDFDOC_PDF_VT_H_ |
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