| // Copyright 2017 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_linear.h" |
| |
| #include "fxjs/xfa/cjx_node.h" |
| #include "xfa/fgas/graphics/cfgas_geshading.h" |
| #include "xfa/fxfa/parser/cxfa_color.h" |
| #include "xfa/fxfa/parser/cxfa_document.h" |
| |
| namespace { |
| |
| const CXFA_Node::PropertyData kLinearPropertyData[] = { |
| {XFA_Element::Color, 1, 0}, |
| {XFA_Element::Extras, 1, 0}, |
| }; |
| |
| const CXFA_Node::AttributeData kLinearAttributeData[] = { |
| {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr}, |
| {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr}, |
| {XFA_Attribute::Type, XFA_AttributeType::Enum, |
| (void*)XFA_AttributeValue::ToRight}, |
| {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr}, |
| }; |
| |
| } // namespace |
| |
| CXFA_Linear::CXFA_Linear(CXFA_Document* doc, XFA_PacketType packet) |
| : CXFA_Node(doc, |
| packet, |
| (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form), |
| XFA_ObjectType::Node, |
| XFA_Element::Linear, |
| kLinearPropertyData, |
| kLinearAttributeData, |
| cppgc::MakeGarbageCollected<CJX_Node>( |
| doc->GetHeap()->GetAllocationHandle(), |
| this)) {} |
| |
| CXFA_Linear::~CXFA_Linear() = default; |
| |
| XFA_AttributeValue CXFA_Linear::GetType() { |
| return JSObject() |
| ->TryEnum(XFA_Attribute::Type, true) |
| .value_or(XFA_AttributeValue::ToRight); |
| } |
| |
| CXFA_Color* CXFA_Linear::GetColorIfExists() { |
| return GetChild<CXFA_Color>(0, XFA_Element::Color, false); |
| } |
| |
| void CXFA_Linear::Draw(CFGAS_GEGraphics* pGS, |
| CFGAS_GEPath* fillPath, |
| FX_ARGB crStart, |
| const CFX_RectF& rtFill, |
| const CFX_Matrix& matrix) { |
| CXFA_Color* pColor = GetColorIfExists(); |
| FX_ARGB crEnd = pColor ? pColor->GetValue() : CXFA_Color::kBlackColor; |
| |
| CFX_PointF ptStart; |
| CFX_PointF ptEnd; |
| switch (GetType()) { |
| case XFA_AttributeValue::ToRight: |
| ptStart = CFX_PointF(rtFill.left, rtFill.top); |
| ptEnd = CFX_PointF(rtFill.right(), rtFill.top); |
| break; |
| case XFA_AttributeValue::ToBottom: |
| ptStart = CFX_PointF(rtFill.left, rtFill.top); |
| ptEnd = CFX_PointF(rtFill.left, rtFill.bottom()); |
| break; |
| case XFA_AttributeValue::ToLeft: |
| ptStart = CFX_PointF(rtFill.right(), rtFill.top); |
| ptEnd = CFX_PointF(rtFill.left, rtFill.top); |
| break; |
| case XFA_AttributeValue::ToTop: |
| ptStart = CFX_PointF(rtFill.left, rtFill.bottom()); |
| ptEnd = CFX_PointF(rtFill.left, rtFill.top); |
| break; |
| default: |
| break; |
| } |
| |
| CFGAS_GEShading shading(ptStart, ptEnd, false, false, crStart, crEnd); |
| |
| pGS->SaveGraphState(); |
| pGS->SetFillColor(CFGAS_GEColor(&shading)); |
| pGS->FillPath(fillPath, CFX_FillRenderOptions::FillType::kWinding, &matrix); |
| pGS->RestoreGraphState(); |
| } |