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1 // Copyright 2016 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 #include "core/fxge/cfx_graphstate.h"
8 
9 #include "core/fpdfapi/parser/cpdf_array.h"
10 
CFX_GraphState()11 CFX_GraphState::CFX_GraphState() {}
12 
CFX_GraphState(const CFX_GraphState & that)13 CFX_GraphState::CFX_GraphState(const CFX_GraphState& that)
14     : m_Ref(that.m_Ref) {}
15 
~CFX_GraphState()16 CFX_GraphState::~CFX_GraphState() {}
17 
Emplace()18 void CFX_GraphState::Emplace() {
19   m_Ref.Emplace();
20 }
21 
SetLineDash(CPDF_Array * pArray,float phase,float scale)22 void CFX_GraphState::SetLineDash(CPDF_Array* pArray, float phase, float scale) {
23   CFX_GraphStateData* pData = m_Ref.GetPrivateCopy();
24   pData->m_DashPhase = phase * scale;
25   pData->SetDashCount(static_cast<int>(pArray->GetCount()));
26   for (size_t i = 0; i < pArray->GetCount(); i++)
27     pData->m_DashArray[i] = pArray->GetNumberAt(i) * scale;
28 }
29 
GetLineWidth() const30 float CFX_GraphState::GetLineWidth() const {
31   return m_Ref.GetObject() ? m_Ref.GetObject()->m_LineWidth : 1.f;
32 }
33 
SetLineWidth(float width)34 void CFX_GraphState::SetLineWidth(float width) {
35   m_Ref.GetPrivateCopy()->m_LineWidth = width;
36 }
37 
GetLineCap() const38 CFX_GraphStateData::LineCap CFX_GraphState::GetLineCap() const {
39   return m_Ref.GetObject() ? m_Ref.GetObject()->m_LineCap
40                            : CFX_GraphStateData::LineCapButt;
41 }
SetLineCap(CFX_GraphStateData::LineCap cap)42 void CFX_GraphState::SetLineCap(CFX_GraphStateData::LineCap cap) {
43   m_Ref.GetPrivateCopy()->m_LineCap = cap;
44 }
45 
GetLineJoin() const46 CFX_GraphStateData::LineJoin CFX_GraphState::GetLineJoin() const {
47   return m_Ref.GetObject() ? m_Ref.GetObject()->m_LineJoin
48                            : CFX_GraphStateData::LineJoinMiter;
49 }
50 
SetLineJoin(CFX_GraphStateData::LineJoin join)51 void CFX_GraphState::SetLineJoin(CFX_GraphStateData::LineJoin join) {
52   m_Ref.GetPrivateCopy()->m_LineJoin = join;
53 }
54 
GetMiterLimit() const55 float CFX_GraphState::GetMiterLimit() const {
56   return m_Ref.GetObject() ? m_Ref.GetObject()->m_MiterLimit : 10.f;
57 }
58 
SetMiterLimit(float limit)59 void CFX_GraphState::SetMiterLimit(float limit) {
60   m_Ref.GetPrivateCopy()->m_MiterLimit = limit;
61 }
62