| // Copyright 2014 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_PDF_VT_H_ |
| #define CORE_FPDFDOC_PDF_VT_H_ |
| |
| #include "core/fpdfdoc/cpvt_floatrect.h" |
| #include "core/fpdfdoc/cpvt_lineinfo.h" |
| #include "core/fpdfdoc/include/cpvt_wordrange.h" |
| |
| class CPDF_VariableText; |
| |
| struct CPVT_WordInfo; |
| |
| #define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) |
| #define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb))) |
| #define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb))) |
| #define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb)) |
| |
| class CPVT_Size { |
| public: |
| CPVT_Size() : x(0.0f), y(0.0f) {} |
| CPVT_Size(FX_FLOAT other_x, FX_FLOAT other_y) { |
| x = other_x; |
| y = other_y; |
| } |
| FX_FLOAT x, y; |
| }; |
| |
| struct CPVT_FloatRange { |
| CPVT_FloatRange() : fMin(0.0f), fMax(0.0f) {} |
| CPVT_FloatRange(FX_FLOAT min, FX_FLOAT max) : fMin(min), fMax(max) {} |
| FX_FLOAT Range() const { return fMax - fMin; } |
| FX_FLOAT fMin, fMax; |
| }; |
| template <class TYPE> |
| class CPVT_ArrayTemplate : public CFX_ArrayTemplate<TYPE> { |
| public: |
| FX_BOOL IsEmpty() { return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; } |
| TYPE GetAt(int nIndex) const { |
| if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) { |
| return CFX_ArrayTemplate<TYPE>::GetAt(nIndex); |
| } |
| return NULL; |
| } |
| void RemoveAt(int nIndex) { |
| if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) { |
| CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex); |
| } |
| } |
| }; |
| class CLine { |
| public: |
| CLine(); |
| virtual ~CLine(); |
| 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 LinePlace; |
| CPVT_LineInfo m_LineInfo; |
| }; |
| class CLines { |
| public: |
| CLines() : m_nTotal(0) {} |
| virtual ~CLines() { RemoveAll(); } |
| int32_t GetSize() const { return m_Lines.GetSize(); } |
| CLine* GetAt(int32_t nIndex) const { return m_Lines.GetAt(nIndex); } |
| void Empty() { m_nTotal = 0; } |
| void RemoveAll() { |
| for (int32_t i = 0, sz = GetSize(); i < sz; i++) { |
| delete GetAt(i); |
| } |
| m_Lines.RemoveAll(); |
| m_nTotal = 0; |
| } |
| int32_t Add(const CPVT_LineInfo& lineinfo) { |
| if (m_nTotal >= GetSize()) { |
| CLine* pLine = new CLine; |
| pLine->m_LineInfo = lineinfo; |
| m_Lines.Add(pLine); |
| } else if (CLine* pLine = GetAt(m_nTotal)) { |
| pLine->m_LineInfo = lineinfo; |
| } |
| return m_nTotal++; |
| } |
| void Clear() { |
| for (int32_t i = GetSize() - 1; i >= m_nTotal; i--) { |
| delete GetAt(i); |
| m_Lines.RemoveAt(i); |
| } |
| } |
| |
| private: |
| CPVT_ArrayTemplate<CLine*> m_Lines; |
| int32_t m_nTotal; |
| }; |
| |
| class CPDF_EditContainer { |
| public: |
| CPDF_EditContainer() : m_rcPlate(0, 0, 0, 0), m_rcContent(0, 0, 0, 0) {} |
| virtual ~CPDF_EditContainer() {} |
| virtual void SetPlateRect(const CFX_FloatRect& rect) { m_rcPlate = rect; } |
| virtual const CFX_FloatRect& GetPlateRect() const { return m_rcPlate; } |
| virtual void SetContentRect(const CPVT_FloatRect& rect) { |
| m_rcContent = rect; |
| } |
| virtual CFX_FloatRect GetContentRect() const { return m_rcContent; } |
| FX_FLOAT GetPlateWidth() const { return m_rcPlate.right - m_rcPlate.left; } |
| FX_FLOAT GetPlateHeight() const { return m_rcPlate.top - m_rcPlate.bottom; } |
| CPVT_Size GetPlateSize() const { |
| return CPVT_Size(GetPlateWidth(), GetPlateHeight()); |
| } |
| CFX_FloatPoint GetBTPoint() const { |
| return CFX_FloatPoint(m_rcPlate.left, m_rcPlate.top); |
| } |
| CFX_FloatPoint GetETPoint() const { |
| return CFX_FloatPoint(m_rcPlate.right, m_rcPlate.bottom); |
| } |
| inline CFX_FloatPoint InToOut(const CFX_FloatPoint& point) const { |
| return CFX_FloatPoint(point.x + GetBTPoint().x, GetBTPoint().y - point.y); |
| } |
| inline CFX_FloatPoint OutToIn(const CFX_FloatPoint& point) const { |
| return CFX_FloatPoint(point.x - GetBTPoint().x, GetBTPoint().y - point.y); |
| } |
| inline CFX_FloatRect InToOut(const CPVT_FloatRect& rect) const { |
| CFX_FloatPoint ptLeftTop = InToOut(CFX_FloatPoint(rect.left, rect.top)); |
| CFX_FloatPoint ptRightBottom = |
| InToOut(CFX_FloatPoint(rect.right, rect.bottom)); |
| return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x, |
| ptLeftTop.y); |
| } |
| inline CPVT_FloatRect OutToIn(const CFX_FloatRect& rect) const { |
| CFX_FloatPoint ptLeftTop = OutToIn(CFX_FloatPoint(rect.left, rect.top)); |
| CFX_FloatPoint ptRightBottom = |
| OutToIn(CFX_FloatPoint(rect.right, rect.bottom)); |
| return CPVT_FloatRect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x, |
| ptRightBottom.y); |
| } |
| |
| private: |
| CFX_FloatRect m_rcPlate; |
| CPVT_FloatRect m_rcContent; |
| }; |
| |
| #endif // CORE_FPDFDOC_PDF_VT_H_ |