Replace GrStrokeInfo with GrStyle.

include/gpu/GrTestUtils.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTestUtils_DEFINED
 #define GrTestUtils_DEFINED
 
 #include "SkTypes.h"
 
 #ifdef GR_TEST_UTILS
 
 #include "GrColor.h"
+#include "SkDashPathPriv.h"
+#include "SkPathEffect.h"
 #include "SkRandom.h"
 #include "SkStrokeRec.h"
+#include "SkTemplates.h"
 
-class GrStrokeInfo;
+class GrStyle;
 class SkMatrix;
 class SkPath;
 class SkRRect;
 struct SkRect;
 
 namespace GrTest {
 /**
- * A helper for use in Test functions.
+ * Helpers for use in Test functions.
  */
 const SkMatrix& TestMatrix(SkRandom*);
 const SkMatrix& TestMatrixPreservesRightAngles(SkRandom*);
 const SkMatrix& TestMatrixRectStaysRect(SkRandom*);
 const SkMatrix& TestMatrixInvertible(SkRandom*);
 const SkRect& TestRect(SkRandom*);
 const SkRect& TestSquare(SkRandom*);
 const SkRRect& TestRRectSimple(SkRandom*);
 const SkPath& TestPath(SkRandom*);
 const SkPath& TestPathConvex(SkRandom*);
 SkStrokeRec TestStrokeRec(SkRandom*);
-GrStrokeInfo TestStrokeInfo(SkRandom*);
+/** Creates styles with dash path effects and null path effects */
+void TestStyle(SkRandom*, GrStyle*);
 

[robertphillips, 2016/05/09 20:05:28]

Can this class go in the .cpp file ?

[bsalomon, 2016/05/09 20:38:55]

It's also used by GrDashingEffect's test function.

-}
+// We have a simplified dash path effect here to avoid relying on SkDashPathEffect which
+// is in the optional build target effects.
+class TestDashPathEffect : public SkPathEffect {
+public:
+    static sk_sp<SkPathEffect> Make(const SkScalar* intervals, int count, SkScalar phase) {
+        return sk_sp<SkPathEffect>(new TestDashPathEffect(intervals, count, phase));
+    }
+
+    bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* rec,
+                    const SkRect* cullRect) const override {
+        return SkDashPath::InternalFilter(dst, src, rec, cullRect, fIntervals.get(), fCount,
+                                          fInitialDashLength, fInitialDashIndex, fIntervalLength);
+    }
+
+    DashType asADash(DashInfo* info) const override {
+        if (info) {
+            if (info->fCount >= fCount && info->fIntervals) {
+                memcpy(info->fIntervals, fIntervals.get(), fCount * sizeof(SkScalar));
+            }
+            info->fCount = fCount;
+            info->fPhase = fPhase;
+        }
+        return kDash_DashType;
+    }
+
+    Factory getFactory() const override { return nullptr; }
+    void toString(SkString*) const override {}
+
+private:
+    TestDashPathEffect(const SkScalar* intervals, int count, SkScalar phase) {
+        fCount = count;
+        fIntervals.reset(count);
+        memcpy(fIntervals.get(), intervals, count * sizeof(SkScalar));
+        SkDashPath::CalcDashParameters(phase, intervals, count, &fInitialDashLength,
+                                       &fInitialDashIndex, &fIntervalLength, &fPhase);
+    }
+
+    int                     fCount;
+    SkAutoTArray<SkScalar>  fIntervals;
+    SkScalar                fPhase;
+    SkScalar                fInitialDashLength;
+    int                     fInitialDashIndex;
+    SkScalar                fIntervalLength;
+};
+
+}  // namespace GrTest
 
 static inline GrColor GrRandomColor(SkRandom* random) {
     // There are only a few cases of random colors which interest us
     enum ColorMode {
         kAllOnes_ColorMode,
         kAllZeros_ColorMode,
         kAlphaOne_ColorMode,
         kRandom_ColorMode,
         kLast_ColorMode = kRandom_ColorMode
     };
@@ skipping 45 matching lines @@
             break;
         case kRandom_CoverageMode:
             coverage = random->nextULessThan(256);
             break;
     }
     return coverage;
 }
 
 #endif
 #endif