74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
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// Copyright 2017 The PDFium Authors
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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_stipple.h"
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#include "fxjs/xfa/cjx_node.h"
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#include "xfa/fgas/graphics/cfgas_gegraphics.h"
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#include "xfa/fxfa/parser/cxfa_color.h"
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#include "xfa/fxfa/parser/cxfa_document.h"
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namespace {
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const CXFA_Node::PropertyData kStipplePropertyData[] = {
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{XFA_Element::Color, 1, {}},
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{XFA_Element::Extras, 1, {}},
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};
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const CXFA_Node::AttributeData kStippleAttributeData[] = {
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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::Rate, XFA_AttributeType::Integer, (void*)50},
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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_Stipple::CXFA_Stipple(CXFA_Document* doc, XFA_PacketType packet)
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: CXFA_Node(doc,
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packet,
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{XFA_XDPPACKET::kTemplate, XFA_XDPPACKET::kForm},
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XFA_ObjectType::Node,
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XFA_Element::Stipple,
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kStipplePropertyData,
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kStippleAttributeData,
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cppgc::MakeGarbageCollected<CJX_Node>(
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doc->GetHeap()->GetAllocationHandle(),
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this)) {}
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CXFA_Stipple::~CXFA_Stipple() = default;
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CXFA_Color* CXFA_Stipple::GetColorIfExists() {
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return GetChild<CXFA_Color>(0, XFA_Element::Color, false);
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}
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int32_t CXFA_Stipple::GetRate() {
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return JSObject()
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->TryInteger(XFA_Attribute::Rate, true)
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.value_or(GetDefaultRate());
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}
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void CXFA_Stipple::Draw(CFGAS_GEGraphics* pGS,
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const CFGAS_GEPath& fillPath,
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const CFX_RectF& rtFill,
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const CFX_Matrix& matrix) {
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int32_t iRate = GetRate();
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if (iRate == 0)
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iRate = 100;
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CXFA_Color* pColor = GetColorIfExists();
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FX_ARGB crColor = pColor ? pColor->GetValue() : CXFA_Color::kBlackColor;
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int32_t alpha;
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FX_COLORREF colorref;
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std::tie(alpha, colorref) = ArgbToAlphaAndColorRef(crColor);
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FX_ARGB cr = AlphaAndColorRefToArgb(iRate * alpha / 100, colorref);
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CFGAS_GEGraphics::StateRestorer restorer(pGS);
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pGS->SetFillColor(CFGAS_GEColor(cr));
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pGS->FillPath(fillPath, CFX_FillRenderOptions::FillType::kWinding, matrix);
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}
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