1 // Copyright 2017 The PDFium Authors
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 "xfa/fxfa/parser/cxfa_pattern.h"
8
9 #include "fxjs/xfa/cjx_node.h"
10 #include "xfa/fgas/graphics/cfgas_gegraphics.h"
11 #include "xfa/fgas/graphics/cfgas_gepattern.h"
12 #include "xfa/fxfa/parser/cxfa_color.h"
13 #include "xfa/fxfa/parser/cxfa_document.h"
14
15 namespace {
16
17 const CXFA_Node::PropertyData kPatternPropertyData[] = {
18 {XFA_Element::Color, 1, {}},
19 {XFA_Element::Extras, 1, {}},
20 };
21
22 const CXFA_Node::AttributeData kPatternAttributeData[] = {
23 {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
24 {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
25 {XFA_Attribute::Type, XFA_AttributeType::Enum,
26 (void*)XFA_AttributeValue::CrossHatch},
27 {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
28 };
29
30 } // namespace
31
CXFA_Pattern(CXFA_Document * doc,XFA_PacketType packet)32 CXFA_Pattern::CXFA_Pattern(CXFA_Document* doc, XFA_PacketType packet)
33 : CXFA_Node(doc,
34 packet,
35 {XFA_XDPPACKET::kTemplate, XFA_XDPPACKET::kForm},
36 XFA_ObjectType::Node,
37 XFA_Element::Pattern,
38 kPatternPropertyData,
39 kPatternAttributeData,
40 cppgc::MakeGarbageCollected<CJX_Node>(
41 doc->GetHeap()->GetAllocationHandle(),
42 this)) {}
43
44 CXFA_Pattern::~CXFA_Pattern() = default;
45
GetColorIfExists()46 CXFA_Color* CXFA_Pattern::GetColorIfExists() {
47 return GetChild<CXFA_Color>(0, XFA_Element::Color, false);
48 }
49
GetType()50 XFA_AttributeValue CXFA_Pattern::GetType() {
51 return JSObject()->GetEnum(XFA_Attribute::Type);
52 }
53
Draw(CFGAS_GEGraphics * pGS,const CFGAS_GEPath & fillPath,FX_ARGB crStart,const CFX_RectF & rtFill,const CFX_Matrix & matrix)54 void CXFA_Pattern::Draw(CFGAS_GEGraphics* pGS,
55 const CFGAS_GEPath& fillPath,
56 FX_ARGB crStart,
57 const CFX_RectF& rtFill,
58 const CFX_Matrix& matrix) {
59 CXFA_Color* pColor = GetColorIfExists();
60 FX_ARGB crEnd = pColor ? pColor->GetValue() : CXFA_Color::kBlackColor;
61 CFGAS_GEPattern::HatchStyle iHatch = CFGAS_GEPattern::HatchStyle::Cross;
62 switch (GetType()) {
63 case XFA_AttributeValue::CrossDiagonal:
64 iHatch = CFGAS_GEPattern::HatchStyle::DiagonalCross;
65 break;
66 case XFA_AttributeValue::DiagonalLeft:
67 iHatch = CFGAS_GEPattern::HatchStyle::ForwardDiagonal;
68 break;
69 case XFA_AttributeValue::DiagonalRight:
70 iHatch = CFGAS_GEPattern::HatchStyle::BackwardDiagonal;
71 break;
72 case XFA_AttributeValue::Horizontal:
73 iHatch = CFGAS_GEPattern::HatchStyle::Horizontal;
74 break;
75 case XFA_AttributeValue::Vertical:
76 iHatch = CFGAS_GEPattern::HatchStyle::Vertical;
77 break;
78 default:
79 break;
80 }
81
82 CFGAS_GEPattern pattern(iHatch, crEnd, crStart);
83 CFGAS_GEGraphics::StateRestorer restorer(pGS);
84 pGS->SetFillColor(CFGAS_GEColor(&pattern, 0x0));
85 pGS->FillPath(fillPath, CFX_FillRenderOptions::FillType::kWinding, matrix);
86 }
87