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,FX_FLOAT phase,FX_FLOAT scale)22 void CFX_GraphState::SetLineDash(CPDF_Array* pArray,
23                                  FX_FLOAT phase,
24                                  FX_FLOAT scale) {
25   CFX_GraphStateData* pData = m_Ref.GetPrivateCopy();
26   pData->m_DashPhase = phase * scale;
27   pData->SetDashCount(static_cast<int>(pArray->GetCount()));
28   for (size_t i = 0; i < pArray->GetCount(); i++)
29     pData->m_DashArray[i] = pArray->GetNumberAt(i) * scale;
30 }
31 
GetLineWidth() const32 FX_FLOAT CFX_GraphState::GetLineWidth() const {
33   return m_Ref.GetObject() ? m_Ref.GetObject()->m_LineWidth : 1.f;
34 }
35 
SetLineWidth(FX_FLOAT width)36 void CFX_GraphState::SetLineWidth(FX_FLOAT width) {
37   m_Ref.GetPrivateCopy()->m_LineWidth = width;
38 }
39 
GetLineCap() const40 CFX_GraphStateData::LineCap CFX_GraphState::GetLineCap() const {
41   return m_Ref.GetObject()->m_LineCap;
42 }
SetLineCap(CFX_GraphStateData::LineCap cap)43 void CFX_GraphState::SetLineCap(CFX_GraphStateData::LineCap cap) {
44   m_Ref.GetPrivateCopy()->m_LineCap = cap;
45 }
46 
GetLineJoin() const47 CFX_GraphStateData::LineJoin CFX_GraphState::GetLineJoin() const {
48   return m_Ref.GetObject()->m_LineJoin;
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 FX_FLOAT CFX_GraphState::GetMiterLimit() const {
56   return m_Ref.GetObject() ? m_Ref.GetObject()->m_MiterLimit : 10.f;
57 }
58 
SetMiterLimit(FX_FLOAT limit)59 void CFX_GraphState::SetMiterLimit(FX_FLOAT limit) {
60   m_Ref.GetPrivateCopy()->m_MiterLimit = limit;
61 }
62