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// 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 "core/fxge/render_defines.h"
#include "fxjs/xfa/cjx_node.h"
#include "third_party/base/ptr_util.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,
pdfium::MakeUnique<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, FXFILL_WINDING, &matrix);
pGS->RestoreGraphState();
}