1 // Copyright 2017 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 "xfa/fxfa/parser/cxfa_pattern.h"
8
9 #include "core/fxge/render_defines.h"
10 #include "fxjs/xfa/cjx_node.h"
11 #include "third_party/base/ptr_util.h"
12 #include "xfa/fxfa/parser/cxfa_color.h"
13 #include "xfa/fxgraphics/cxfa_gepattern.h"
14
15 namespace {
16
17 const CXFA_Node::PropertyData kPatternPropertyData[] = {
18 {XFA_Element::Color, 1, 0},
19 {XFA_Element::Extras, 1, 0},
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_Template | XFA_XDPPACKET_Form),
36 XFA_ObjectType::Node,
37 XFA_Element::Pattern,
38 kPatternPropertyData,
39 kPatternAttributeData,
40 pdfium::MakeUnique<CJX_Node>(this)) {}
41
42 CXFA_Pattern::~CXFA_Pattern() = default;
43
GetColorIfExists()44 CXFA_Color* CXFA_Pattern::GetColorIfExists() {
45 return GetChild<CXFA_Color>(0, XFA_Element::Color, false);
46 }
47
GetType()48 XFA_AttributeValue CXFA_Pattern::GetType() {
49 return JSObject()->GetEnum(XFA_Attribute::Type);
50 }
51
Draw(CXFA_Graphics * pGS,CXFA_GEPath * fillPath,FX_ARGB crStart,const CFX_RectF & rtFill,const CFX_Matrix & matrix)52 void CXFA_Pattern::Draw(CXFA_Graphics* pGS,
53 CXFA_GEPath* fillPath,
54 FX_ARGB crStart,
55 const CFX_RectF& rtFill,
56 const CFX_Matrix& matrix) {
57 CXFA_Color* pColor = GetColorIfExists();
58 FX_ARGB crEnd = pColor ? pColor->GetValue() : CXFA_Color::kBlackColor;
59
60 FX_HatchStyle iHatch = FX_HatchStyle::Cross;
61 switch (GetType()) {
62 case XFA_AttributeValue::CrossDiagonal:
63 iHatch = FX_HatchStyle::DiagonalCross;
64 break;
65 case XFA_AttributeValue::DiagonalLeft:
66 iHatch = FX_HatchStyle::ForwardDiagonal;
67 break;
68 case XFA_AttributeValue::DiagonalRight:
69 iHatch = FX_HatchStyle::BackwardDiagonal;
70 break;
71 case XFA_AttributeValue::Horizontal:
72 iHatch = FX_HatchStyle::Horizontal;
73 break;
74 case XFA_AttributeValue::Vertical:
75 iHatch = FX_HatchStyle::Vertical;
76 break;
77 default:
78 break;
79 }
80
81 CXFA_GEPattern pattern(iHatch, crEnd, crStart);
82
83 pGS->SaveGraphState();
84 pGS->SetFillColor(CXFA_GEColor(&pattern, 0x0));
85 pGS->FillPath(fillPath, FXFILL_WINDING, &matrix);
86 pGS->RestoreGraphState();
87 }
88