Convert CXFA_StrokeData to CXFA_Stroke

This CL changes CXFA_StrokeData to CXFA_Stroke and changes the
inheritance form CXFA_DataData to CXFA_Node. The CXFA_EdgeData and
CXFA_CornerData classes are removed and the node equivalents are changed
to inherit from CXFA_Stroke.

Change-Id: I8aa4365a8ed79c29c3a4c34879abe898a188b7de
Reviewed-on: https://pdfium-review.googlesource.com/22151
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>

1 files changed, 119 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/cxfa_stroke.cpp b/xfa/fxfa/parser/cxfa_stroke.cpp
new file mode 100644
index 0000000000..3b8e37a728
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_stroke.cpp
@@ -0,0 +1,119 @@
+// 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/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"
+
+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 CXFA_DataData::ToColor(
+      pNode->JSObject()->GetCData(XFA_Attribute::Value).AsStringView());
+}
+
+void CXFA_Stroke::SetColor(FX_ARGB argb) {
+  CXFA_Color* pNode =
+      JSObject()->GetProperty<CXFA_Color>(0, XFA_Element::Color, true);
+  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;
+}