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// Copyright 2016 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_stroke.h"
#include <utility>
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/parser/cxfa_color.h"
#include "xfa/fxfa/parser/cxfa_measurement.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/xfa_utils.h"
#include "xfa/fxgraphics/cxfa_graphics.h"
CXFA_Stroke::CXFA_Stroke(CXFA_Document* pDoc,
XFA_PacketType ePacket,
uint32_t validPackets,
XFA_ObjectType oType,
XFA_Element eType,
const PropertyData* properties,
const AttributeData* attributes,
const WideStringView& elementName,
std::unique_ptr<CJX_Object> js_node)
: CXFA_Node(pDoc,
ePacket,
validPackets,
oType,
eType,
properties,
attributes,
elementName,
std::move(js_node)) {}
CXFA_Stroke::~CXFA_Stroke() = default;
bool CXFA_Stroke::IsVisible() {
XFA_AttributeEnum presence = JSObject()
->TryEnum(XFA_Attribute::Presence, true)
.value_or(XFA_AttributeEnum::Visible);
return presence == XFA_AttributeEnum::Visible;
}
XFA_AttributeEnum CXFA_Stroke::GetCapType() {
return JSObject()->GetEnum(XFA_Attribute::Cap);
}
XFA_AttributeEnum CXFA_Stroke::GetStrokeType() {
return JSObject()->GetEnum(XFA_Attribute::Stroke);
}
float CXFA_Stroke::GetThickness() const {
return GetMSThickness().ToUnit(XFA_Unit::Pt);
}
CXFA_Measurement CXFA_Stroke::GetMSThickness() const {
return JSObject()->GetMeasure(XFA_Attribute::Thickness);
}
void CXFA_Stroke::SetMSThickness(CXFA_Measurement msThinkness) {
JSObject()->SetMeasure(XFA_Attribute::Thickness, msThinkness, false);
}
FX_ARGB CXFA_Stroke::GetColor() {
CXFA_Color* pNode = GetChild<CXFA_Color>(0, XFA_Element::Color, false);
if (!pNode)
return 0xFF000000;
return StringToFXARGB(
pNode->JSObject()->GetCData(XFA_Attribute::Value).AsStringView());
}
void CXFA_Stroke::SetColor(FX_ARGB argb) {
CXFA_Color* pNode =
JSObject()->GetOrCreateProperty<CXFA_Color>(0, XFA_Element::Color);
if (!pNode)
return;
int a;
int r;
int g;
int b;
std::tie(a, r, g, b) = ArgbDecode(argb);
pNode->JSObject()->SetCData(XFA_Attribute::Value,
WideString::Format(L"%d,%d,%d", r, g, b), false,
false);
}
XFA_AttributeEnum CXFA_Stroke::GetJoinType() {
return JSObject()->GetEnum(XFA_Attribute::Join);
}
bool CXFA_Stroke::IsInverted() {
return JSObject()->GetBoolean(XFA_Attribute::Inverted);
}
float CXFA_Stroke::GetRadius() const {
return JSObject()
->TryMeasure(XFA_Attribute::Radius, true)
.value_or(CXFA_Measurement(0, XFA_Unit::In))
.ToUnit(XFA_Unit::Pt);
}
bool CXFA_Stroke::SameStyles(CXFA_Stroke* stroke, uint32_t dwFlags) {
if (this == stroke)
return true;
if (fabs(GetThickness() - stroke->GetThickness()) >= 0.01f)
return false;
if ((dwFlags & XFA_STROKE_SAMESTYLE_NoPresence) == 0 &&
IsVisible() != stroke->IsVisible()) {
return false;
}
if (GetStrokeType() != stroke->GetStrokeType())
return false;
if (GetColor() != stroke->GetColor())
return false;
if ((dwFlags & XFA_STROKE_SAMESTYLE_Corner) != 0 &&
fabs(GetRadius() - stroke->GetRadius()) >= 0.01f) {
return false;
}
return true;
}
void CXFA_Stroke::Stroke(CXFA_GEPath* pPath,
CXFA_Graphics* pGS,
const CFX_Matrix& matrix) {
if (!IsVisible())
return;
float fThickness = GetThickness();
if (fThickness < 0.001f)
return;
pGS->SaveGraphState();
if (IsCorner() && fThickness > 2 * GetRadius())
fThickness = 2 * GetRadius();
pGS->SetLineWidth(fThickness);
pGS->EnableActOnDash();
pGS->SetLineCap(CFX_GraphStateData::LineCapButt);
XFA_StrokeTypeSetLineDash(pGS, GetStrokeType(), XFA_AttributeEnum::Butt);
pGS->SetStrokeColor(CXFA_GEColor(GetColor()));
pGS->StrokePath(pPath, &matrix);
pGS->RestoreGraphState();
}
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