Move StrokePath to the CXFA_Stroke class

This CL moves the code to draw the stroke path to the stroke class.

Change-Id: I76ae96e15a166d8bae19618c762d5ad923ed8d8a
Reviewed-on: https://pdfium-review.googlesource.com/23030
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

2 files changed, 29 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/cxfa_stroke.cpp b/xfa/fxfa/parser/cxfa_stroke.cpp
index c9c7d73f49..45634b26e3 100644
--- a/xfa/fxfa/parser/cxfa_stroke.cpp
+++ b/xfa/fxfa/parser/cxfa_stroke.cpp
@@ -8,10 +8,12 @@
 
 #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,
@@ -120,3 +122,26 @@ bool CXFA_Stroke::SameStyles(CXFA_Stroke* stroke, uint32_t dwFlags) {
   }
   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();
+}
diff --git a/xfa/fxfa/parser/cxfa_stroke.h b/xfa/fxfa/parser/cxfa_stroke.h
index 42b7ec0c20..d3eeff1ed2 100644
--- a/xfa/fxfa/parser/cxfa_stroke.h
+++ b/xfa/fxfa/parser/cxfa_stroke.h
@@ -18,6 +18,8 @@ enum StrokeSameStyle {
   XFA_STROKE_SAMESTYLE_Corner = 2
 };
 
+class CXFA_GEPath;
+class CXFA_Graphics;
 class CXFA_Node;
 
 class CXFA_Stroke : public CXFA_Node {
@@ -42,6 +44,8 @@ class CXFA_Stroke : public CXFA_Node {
 
   bool SameStyles(CXFA_Stroke* stroke, uint32_t dwFlags);
 
+  void Stroke(CXFA_GEPath* pPath, CXFA_Graphics* pGS, const CFX_Matrix& matrix);
+
  protected:
   CXFA_Stroke(CXFA_Document* pDoc,
               XFA_PacketType ePacket,