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92 lines
2.9 KiB
92 lines
2.9 KiB
// Copyright 2017 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/parser/cxfa_linear.h"
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#include "core/fxge/render_defines.h"
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#include "fxjs/xfa/cjx_node.h"
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#include "third_party/base/ptr_util.h"
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#include "xfa/fxfa/parser/cxfa_color.h"
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#include "xfa/fxgraphics/cxfa_geshading.h"
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namespace {
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const CXFA_Node::PropertyData kLinearPropertyData[] = {
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{XFA_Element::Color, 1, 0},
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{XFA_Element::Extras, 1, 0},
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};
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const CXFA_Node::AttributeData kLinearAttributeData[] = {
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{XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
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{XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
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{XFA_Attribute::Type, XFA_AttributeType::Enum,
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(void*)XFA_AttributeValue::ToRight},
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{XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
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};
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} // namespace
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CXFA_Linear::CXFA_Linear(CXFA_Document* doc, XFA_PacketType packet)
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: CXFA_Node(doc,
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packet,
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(XFA_XDPPACKET_Template | XFA_XDPPACKET_Form),
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XFA_ObjectType::Node,
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XFA_Element::Linear,
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kLinearPropertyData,
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kLinearAttributeData,
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pdfium::MakeUnique<CJX_Node>(this)) {}
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CXFA_Linear::~CXFA_Linear() = default;
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XFA_AttributeValue CXFA_Linear::GetType() {
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return JSObject()
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->TryEnum(XFA_Attribute::Type, true)
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.value_or(XFA_AttributeValue::ToRight);
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}
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CXFA_Color* CXFA_Linear::GetColorIfExists() {
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return GetChild<CXFA_Color>(0, XFA_Element::Color, false);
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}
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void CXFA_Linear::Draw(CXFA_Graphics* pGS,
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CXFA_GEPath* fillPath,
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FX_ARGB crStart,
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const CFX_RectF& rtFill,
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const CFX_Matrix& matrix) {
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CXFA_Color* pColor = GetColorIfExists();
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FX_ARGB crEnd = pColor ? pColor->GetValue() : CXFA_Color::kBlackColor;
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CFX_PointF ptStart;
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CFX_PointF ptEnd;
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switch (GetType()) {
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case XFA_AttributeValue::ToRight:
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ptStart = CFX_PointF(rtFill.left, rtFill.top);
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ptEnd = CFX_PointF(rtFill.right(), rtFill.top);
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break;
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case XFA_AttributeValue::ToBottom:
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ptStart = CFX_PointF(rtFill.left, rtFill.top);
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ptEnd = CFX_PointF(rtFill.left, rtFill.bottom());
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break;
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case XFA_AttributeValue::ToLeft:
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ptStart = CFX_PointF(rtFill.right(), rtFill.top);
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ptEnd = CFX_PointF(rtFill.left, rtFill.top);
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break;
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case XFA_AttributeValue::ToTop:
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ptStart = CFX_PointF(rtFill.left, rtFill.bottom());
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ptEnd = CFX_PointF(rtFill.left, rtFill.top);
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break;
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default:
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break;
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}
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CXFA_GEShading shading(ptStart, ptEnd, false, false, crStart, crEnd);
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pGS->SaveGraphState();
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pGS->SetFillColor(CXFA_GEColor(&shading));
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pGS->FillPath(fillPath, FXFILL_WINDING, &matrix);
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pGS->RestoreGraphState();
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}
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