Move code related to stroke line dash to CXFA_Stroke

This CL moves XFA_StrokeTypeSetLineDash into the CXFA_Stroke class and
cleans up the unused CXFA_Graphics code for setting line dash values.

Change-Id: If6db6c315571dbcea630bc32e0d05dae6c0f10be
Reviewed-on: https://pdfium-review.googlesource.com/23114
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

2 files changed, 3 insertions, 43 deletions

diff --git a/xfa/fxgraphics/cxfa_graphics.cpp b/xfa/fxgraphics/cxfa_graphics.cpp
index 47517309b7..d1e2f35c7e 100644
--- a/xfa/fxgraphics/cxfa_graphics.cpp
+++ b/xfa/fxgraphics/cxfa_graphics.cpp
@@ -154,9 +154,9 @@ void CXFA_Graphics::SetLineDash(float dashPhase,
   }
 }
 
-void CXFA_Graphics::SetLineDash(FX_DashStyle dashStyle) {
+void CXFA_Graphics::SetSolidLineDash() {
   if (m_type == FX_CONTEXT_Device && m_renderDevice)
-    RenderDeviceSetLineDash(dashStyle);
+    m_info.graphState.SetDashCount(0);
 }
 
 void CXFA_Graphics::SetLineWidth(float lineWidth) {
@@ -229,37 +229,6 @@ CFX_RenderDevice* CXFA_Graphics::GetRenderDevice() {
   return m_renderDevice;
 }
 
-void CXFA_Graphics::RenderDeviceSetLineDash(FX_DashStyle dashStyle) {
-  switch (dashStyle) {
-    case FX_DASHSTYLE_Solid: {
-      m_info.graphState.SetDashCount(0);
-      return;
-    }
-    case FX_DASHSTYLE_Dash: {
-      float dashArray[] = {3, 1};
-      SetLineDash(0, dashArray, 2);
-      return;
-    }
-    case FX_DASHSTYLE_Dot: {
-      float dashArray[] = {1, 1};
-      SetLineDash(0, dashArray, 2);
-      return;
-    }
-    case FX_DASHSTYLE_DashDot: {
-      float dashArray[] = {3, 1, 1, 1};
-      SetLineDash(0, dashArray, 4);
-      return;
-    }
-    case FX_DASHSTYLE_DashDotDot: {
-      float dashArray[] = {4, 1, 2, 1, 2, 1};
-      SetLineDash(0, dashArray, 6);
-      return;
-    }
-    default:
-      return;
-  }
-}
-
 void CXFA_Graphics::RenderDeviceStrokePath(const CXFA_GEPath* path,
                                            const CFX_Matrix* matrix) {
   if (m_info.strokeColor.GetType() != CXFA_GEColor::Solid)
diff --git a/xfa/fxgraphics/cxfa_graphics.h b/xfa/fxgraphics/cxfa_graphics.h
index c8843bc87d..886bc45532 100644
--- a/xfa/fxgraphics/cxfa_graphics.h
+++ b/xfa/fxgraphics/cxfa_graphics.h
@@ -21,14 +21,6 @@ class CXFA_GEPath;
 
 using FX_FillMode = int32_t;
 
-enum FX_DashStyle {
-  FX_DASHSTYLE_Solid = 0,
-  FX_DASHSTYLE_Dash = 1,
-  FX_DASHSTYLE_Dot = 2,
-  FX_DASHSTYLE_DashDot = 3,
-  FX_DASHSTYLE_DashDotDot = 4
-};
-
 enum class FX_HatchStyle {
   Horizontal = 0,
   Vertical = 1,
@@ -54,7 +46,7 @@ class CXFA_Graphics {
 
   void SetLineCap(CFX_GraphStateData::LineCap lineCap);
   void SetLineDash(float dashPhase, float* dashArray, int32_t dashCount);
-  void SetLineDash(FX_DashStyle dashStyle);
+  void SetSolidLineDash();
   void SetLineWidth(float lineWidth);
   void EnableActOnDash();
   void SetStrokeColor(const CXFA_GEColor& color);
@@ -82,7 +74,6 @@ class CXFA_Graphics {
     CXFA_GEColor fillColor;
   } m_info;
 
-  void RenderDeviceSetLineDash(FX_DashStyle dashStyle);
   void RenderDeviceStrokePath(const CXFA_GEPath* path,
                               const CFX_Matrix* matrix);
   void RenderDeviceFillPath(const CXFA_GEPath* path,