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// 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_box.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_Box::GetHand() const {
if (!m_pNode)
return XFA_ATTRIBUTEENUM_Even;
return m_pNode->JSNode()->GetEnum(XFA_ATTRIBUTE_Hand);
}
int32_t CXFA_Box::GetPresence() const {
if (!m_pNode)
return XFA_ATTRIBUTEENUM_Hidden;
return m_pNode->JSNode()->GetEnum(XFA_ATTRIBUTE_Presence);
}
int32_t CXFA_Box::CountEdges() const {
if (!m_pNode)
return 0;
return m_pNode->CountChildren(XFA_Element::Edge, false);
}
CXFA_Edge CXFA_Box::GetEdge(int32_t nIndex) const {
return CXFA_Edge(m_pNode ? m_pNode->JSNode()->GetProperty(
nIndex, XFA_Element::Edge, nIndex == 0)
: nullptr);
}
void CXFA_Box::GetStrokes(std::vector<CXFA_Stroke>* strokes) const {
GetStrokesInternal(m_pNode, strokes, false);
}
bool CXFA_Box::IsCircular() const {
if (!m_pNode)
return false;
return m_pNode->JSNode()->GetBoolean(XFA_ATTRIBUTE_Circular);
}
bool CXFA_Box::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_Box::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_Box::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_Box::GetMargin() const {
return CXFA_Margin(m_pNode ? m_pNode->GetChild(0, XFA_Element::Margin, false)
: nullptr);
}
int32_t CXFA_Box::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;
}
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