Pass dashing information to path rasterizers.

src/gpu/GrStrokeInfo.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrStrokeInfo_DEFINED
 #define GrStrokeInfo_DEFINED
 
 #include "SkStrokeRec.h"
 #include "SkPathEffect.h"
 
 /*
  * GrStrokeInfo encapsulates the data objects that hold all the pertinent infomation
  * regarding the stroke. The two objects are SkStrokeRec which holds information on fill style,
  * width, miter, cap, and join. The second object is DashInfo. This holds information about the
  * dash like intervals, count, and phase.
  */
 class GrStrokeInfo {
 public: 
     GrStrokeInfo(SkStrokeRec::InitStyle style) :
-        fStroke(style), fDashType(SkPathEffect::kNone_DashType) {}
+        fStroke(style), fPathEffect(NULL), fDashType(SkPathEffect::kNone_DashType) {}
 
-    GrStrokeInfo(const GrStrokeInfo& src, bool includeDash = true) : fStroke(src.fStroke) {
+    GrStrokeInfo(const GrStrokeInfo& src, bool includeDash = true) :
+        fStroke(src.fStroke), fPathEffect(NULL) {
         if (includeDash) {
             fDashInfo = src.fDashInfo;
             fDashType = src.fDashType;
             fIntervals.reset(src.dashCount());
             memcpy(fIntervals.get(), src.fIntervals.get(), src.dashCount() * sizeof(SkScalar));
         } else {
             fDashType = SkPathEffect::kNone_DashType;
         }
+        SkRefCnt_SafeAssign(fPathEffect, src.fPathEffect);
+    }
+
+    ~GrStrokeInfo() {
+        SkSafeUnref(fPathEffect);
     }
 
     GrStrokeInfo(const SkPaint& paint, SkPaint::Style styleOverride) :
-        fStroke(paint, styleOverride), fDashType(SkPathEffect::kNone_DashType) {
+        fStroke(paint, styleOverride), fPathEffect(NULL), fDashType(SkPathEffect::kNone_DashType) {
         this->init(paint);
     }
 
 
     explicit GrStrokeInfo(const SkPaint& paint) :
-        fStroke(paint), fDashType(SkPathEffect::kNone_DashType) {
+        fStroke(paint), fPathEffect(NULL), fDashType(SkPathEffect::kNone_DashType) {
         this->init(paint);
     }
 
     const SkStrokeRec& getStrokeRec() const { return fStroke; }
 
     SkStrokeRec* getStrokeRecPtr() { return &fStroke; }
 
     void setFillStyle() { fStroke.setFillStyle(); }
 
     /*
@@ skipping 22 matching lines @@
     int32_t dashCount() const {
         return fDashInfo.fCount;
     }
 
     void removeDash() {
         fDashType = SkPathEffect::kNone_DashType;
     }
     
     const SkPathEffect::DashInfo& getDashInfo() const { return fDashInfo; }
 
+    SkPathEffect* getPathEffect() const { return fPathEffect; }

[bsalomon, 2015/04/16 17:52:18]

can this be const?

+
 private:
 
     void init(const SkPaint& paint) {
-        const SkPathEffect* pe = paint.getPathEffect();
+        SkPathEffect* pe = paint.getPathEffect();
         this->setDashInfo(pe);
+        SkRefCnt_SafeAssign(fPathEffect, pe);
     }
 
     SkStrokeRec            fStroke;
+    SkPathEffect*          fPathEffect;

[bsalomon, 2015/04/16 17:52:18]

can this be const?

     SkPathEffect::DashType fDashType;
     SkPathEffect::DashInfo fDashInfo;
     SkAutoSTArray<2, SkScalar> fIntervals;
 };
 
 #endif