1 files changed, 149 insertions, 0 deletions
diff --git a/core/fpdfdoc/pdf_vt.h b/core/fpdfdoc/pdf_vt.h
new file mode 100644
index 0000000000..a3b7883a9b
--- /dev/null
+++ b/core/fpdfdoc/pdf_vt.h
@@ -0,0 +1,149 @@
+// 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_