Rename CXFA_Box to CXFA_BoxData

This CL renames CXFA_Box to CXFA_BoxData to make it clear it's part of
the Data hierarchy.

Change-Id: I5971eefb078f73228e2fcfc08d2025d800c319fb
Reviewed-on: https://pdfium-review.googlesource.com/17975
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 167 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/cxfa_boxdata.cpp b/xfa/fxfa/parser/cxfa_boxdata.cpp
new file mode 100644
index 0000000000..c7a58a1c27
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_boxdata.cpp
@@ -0,0 +1,167 @@
+// 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
+
+#include "xfa/fxfa/parser/cxfa_boxdata.h"
+
+#include "xfa/fxfa/parser/cxfa_corner.h"
+#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/parser/cxfa_node.h"
+
+namespace {
+
+void GetStrokesInternal(CXFA_Node* pNode,
+                        std::vector<CXFA_Stroke>* strokes,
+                        bool bNull) {
+  strokes->clear();
+  if (!pNode)
+    return;
+
+  strokes->resize(8);
+  int32_t i, j;
+  for (i = 0, j = 0; i < 4; i++) {
+    CXFA_Corner corner = CXFA_Corner(
+        pNode->JSNode()->GetProperty(i, XFA_Element::Corner, i == 0));
+    if (corner || i == 0) {
+      (*strokes)[j] = corner;
+    } else if (!bNull) {
+      if (i == 1 || i == 2)
+        (*strokes)[j] = (*strokes)[0];
+      else
+        (*strokes)[j] = (*strokes)[2];
+    }
+    j++;
+    CXFA_Edge edge =
+        CXFA_Edge(pNode->JSNode()->GetProperty(i, XFA_Element::Edge, i == 0));
+    if (edge || i == 0) {
+      (*strokes)[j] = edge;
+    } else if (!bNull) {
+      if (i == 1 || i == 2)
+        (*strokes)[j] = (*strokes)[1];
+      else
+        (*strokes)[j] = (*strokes)[3];
+    }
+    j++;
+  }
+}
+
+static int32_t Style3D(const std::vector<CXFA_Stroke>& strokes,
+                       CXFA_Stroke& stroke) {
+  if (strokes.empty())
+    return 0;
+
+  stroke = strokes[0];
+  for (size_t i = 1; i < strokes.size(); i++) {
+    CXFA_Stroke find = strokes[i];
+    if (!find)
+      continue;
+
+    if (!stroke)
+      stroke = find;
+    else if (stroke.GetStrokeType() != find.GetStrokeType())
+      stroke = find;
+    break;
+  }
+  int32_t iType = stroke.GetStrokeType();
+  if (iType == XFA_ATTRIBUTEENUM_Lowered || iType == XFA_ATTRIBUTEENUM_Raised ||
+      iType == XFA_ATTRIBUTEENUM_Etched ||
+      iType == XFA_ATTRIBUTEENUM_Embossed) {
+    return iType;
+  }
+  return 0;
+}
+
+}  // namespace
+
+int32_t CXFA_BoxData::GetHand() const {
+  if (!m_pNode)
+    return XFA_ATTRIBUTEENUM_Even;
+  return m_pNode->JSNode()->GetEnum(XFA_ATTRIBUTE_Hand);
+}
+
+int32_t CXFA_BoxData::GetPresence() const {
+  if (!m_pNode)
+    return XFA_ATTRIBUTEENUM_Hidden;
+  return m_pNode->JSNode()->GetEnum(XFA_ATTRIBUTE_Presence);
+}
+
+int32_t CXFA_BoxData::CountEdges() const {
+  if (!m_pNode)
+    return 0;
+  return m_pNode->CountChildren(XFA_Element::Edge, false);
+}
+
+CXFA_Edge CXFA_BoxData::GetEdge(int32_t nIndex) const {
+  return CXFA_Edge(m_pNode ? m_pNode->JSNode()->GetProperty(
+                                 nIndex, XFA_Element::Edge, nIndex == 0)
+                           : nullptr);
+}
+
+void CXFA_BoxData::GetStrokes(std::vector<CXFA_Stroke>* strokes) const {
+  GetStrokesInternal(m_pNode, strokes, false);
+}
+
+bool CXFA_BoxData::IsCircular() const {
+  if (!m_pNode)
+    return false;
+  return m_pNode->JSNode()->GetBoolean(XFA_ATTRIBUTE_Circular);
+}
+
+bool CXFA_BoxData::GetStartAngle(float& fStartAngle) const {
+  fStartAngle = 0;
+  if (!m_pNode)
+    return false;
+
+  CXFA_Measurement ms;
+  bool bRet =
+      m_pNode->JSNode()->TryMeasure(XFA_ATTRIBUTE_StartAngle, ms, false);
+  if (bRet)
+    fStartAngle = ms.GetValue();
+
+  return bRet;
+}
+
+bool CXFA_BoxData::GetSweepAngle(float& fSweepAngle) const {
+  fSweepAngle = 360;
+  if (!m_pNode)
+    return false;
+
+  CXFA_Measurement ms;
+  bool bRet =
+      m_pNode->JSNode()->TryMeasure(XFA_ATTRIBUTE_SweepAngle, ms, false);
+  if (bRet)
+    fSweepAngle = ms.GetValue();
+
+  return bRet;
+}
+
+CXFA_Fill CXFA_BoxData::GetFill(bool bModified) const {
+  if (!m_pNode)
+    return CXFA_Fill(nullptr);
+
+  CXFA_Node* pFillNode =
+      m_pNode->JSNode()->GetProperty(0, XFA_Element::Fill, bModified);
+  return CXFA_Fill(pFillNode);
+}
+
+CXFA_Margin CXFA_BoxData::GetMargin() const {
+  return CXFA_Margin(m_pNode ? m_pNode->GetChild(0, XFA_Element::Margin, false)
+                             : nullptr);
+}
+
+int32_t CXFA_BoxData::Get3DStyle(bool& bVisible, float& fThickness) const {
+  if (IsArc())
+    return 0;
+
+  std::vector<CXFA_Stroke> strokes;
+  GetStrokesInternal(m_pNode, &strokes, true);
+  CXFA_Stroke stroke(nullptr);
+  int32_t iType = Style3D(strokes, stroke);
+  if (iType) {
+    bVisible = stroke.IsVisible();
+    fThickness = stroke.GetThickness();
+  }
+  return iType;
+}