| // 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_stipple.h" |
| |
| #include <memory> |
| |
| #include "fxjs/xfa/cjx_node.h" |
| #include "xfa/fxfa/parser/cxfa_color.h" |
| |
| namespace { |
| |
| const CXFA_Node::PropertyData kStipplePropertyData[] = { |
| {XFA_Element::Color, 1, 0}, |
| {XFA_Element::Extras, 1, 0}, |
| }; |
| |
| const CXFA_Node::AttributeData kStippleAttributeData[] = { |
| {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr}, |
| {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr}, |
| {XFA_Attribute::Rate, XFA_AttributeType::Integer, (void*)50}, |
| {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr}, |
| }; |
| |
| } // namespace |
| |
| CXFA_Stipple::CXFA_Stipple(CXFA_Document* doc, XFA_PacketType packet) |
| : CXFA_Node(doc, |
| packet, |
| (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form), |
| XFA_ObjectType::Node, |
| XFA_Element::Stipple, |
| kStipplePropertyData, |
| kStippleAttributeData, |
| std::make_unique<CJX_Node>(this)) {} |
| |
| CXFA_Stipple::~CXFA_Stipple() = default; |
| |
| CXFA_Color* CXFA_Stipple::GetColorIfExists() { |
| return GetChild<CXFA_Color>(0, XFA_Element::Color, false); |
| } |
| |
| int32_t CXFA_Stipple::GetRate() { |
| return JSObject() |
| ->TryInteger(XFA_Attribute::Rate, true) |
| .value_or(GetDefaultRate()); |
| } |
| |
| void CXFA_Stipple::Draw(CXFA_Graphics* pGS, |
| CXFA_GEPath* fillPath, |
| const CFX_RectF& rtFill, |
| const CFX_Matrix& matrix) { |
| int32_t iRate = GetRate(); |
| if (iRate == 0) |
| iRate = 100; |
| |
| CXFA_Color* pColor = GetColorIfExists(); |
| FX_ARGB crColor = pColor ? pColor->GetValue() : CXFA_Color::kBlackColor; |
| |
| int32_t alpha; |
| FX_COLORREF colorref; |
| std::tie(alpha, colorref) = ArgbToAlphaAndColorRef(crColor); |
| FX_ARGB cr = AlphaAndColorRefToArgb(iRate * alpha / 100, colorref); |
| |
| pGS->SaveGraphState(); |
| pGS->SetFillColor(CXFA_GEColor(cr)); |
| pGS->FillPath(fillPath, CFX_FillRenderOptions::FillType::kWinding, &matrix); |
| pGS->RestoreGraphState(); |
| } |