Push sigma-based blur interface into our GMs/benches/tests/samplecode

bench/BlurRectBench.cpp

Index: bench/BlurRectBench.cpp
===================================================================
--- bench/BlurRectBench.cpp	(revision 11108)
+++ bench/BlurRectBench.cpp	(working copy)
@@ -15,7 +15,9 @@
 
 #define SMALL   SkIntToScalar(2)
 #define REAL    SkFloatToScalar(1.5f)
+static const SkScalar kMedium = SkIntToScalar(5);
 #define BIG     SkIntToScalar(10)
+static const SkScalar kMedBig = SkIntToScalar(20);
 #define REALBIG SkFloatToScalar(30.5f)
 
 class BlurRectBench: public SkBenchmark {
@@ -83,12 +85,13 @@
             name.printf("blurrect_direct_%d", SkScalarRoundToInt(rad));
         }
 
-        setName(name);
+        this->setName(name);
     }
 protected:
     virtual void makeBlurryRect(const SkRect& r) SK_OVERRIDE {
         SkMask mask;
-        SkBlurMask::BlurRect(&mask, r, this->radius(), SkBlurMask::kNormal_Style);
+        SkBlurMask::BlurRect(SkBlurMask::ConvertRadiusToSigma(this->radius()), 
+                             &mask, r, SkBlurMask::kNormal_Style);
         SkMask::FreeImage(mask.fImage);
     }
 private:
@@ -127,12 +130,14 @@
 public:
     BlurRectBoxFilterBench(void *param, SkScalar rad) : INHERITED(param, rad) {
         SkString name;
+
         if (SkScalarFraction(rad) != 0) {
             name.printf("blurrect_boxfilter_%.2f", SkScalarToFloat(rad));
         } else {
             name.printf("blurrect_boxfilter_%d", SkScalarRoundToInt(rad));
         }
-        setName(name);
+
+        this->setName(name);
     }
 
 protected:
@@ -140,9 +145,9 @@
     virtual void makeBlurryRect(const SkRect&) SK_OVERRIDE {
         SkMask mask;
         mask.fImage = NULL;
-        SkBlurMask::Blur(&mask, fSrcMask, this->radius(),
-                         SkBlurMask::kNormal_Style,
-                         SkBlurMask::kHigh_Quality);
+        SkBlurMask::BoxBlur(&mask, fSrcMask, SkBlurMask::ConvertRadiusToSigma(this->radius()),
+                            SkBlurMask::kNormal_Style,
+                            SkBlurMask::kHigh_Quality);
         SkMask::FreeImage(mask.fImage);
     }
 private:
@@ -153,12 +158,14 @@
 public:
     BlurRectGaussianBench(void *param, SkScalar rad) : INHERITED(param, rad) {
         SkString name;
+
         if (SkScalarFraction(rad) != 0) {
             name.printf("blurrect_gaussian_%.2f", SkScalarToFloat(rad));
         } else {
             name.printf("blurrect_gaussian_%d", SkScalarRoundToInt(rad));
         }
-        setName(name);
+ 
+        this->setName(name);
     }
 
 protected:
@@ -166,8 +173,8 @@
     virtual void makeBlurryRect(const SkRect&) SK_OVERRIDE {
         SkMask mask;
         mask.fImage = NULL;
-        SkBlurMask::BlurGroundTruth(&mask, fSrcMask, this->radius(),
-                                    SkBlurMask::kNormal_Style);
+        SkBlurMask::BlurGroundTruth(SkBlurMask::ConvertRadiusToSigma(this->radius()),
+                                    &mask, fSrcMask, SkBlurMask::kNormal_Style);
         SkMask::FreeImage(mask.fImage);
     }
 private:
@@ -187,11 +194,11 @@
 DEF_BENCH(return new BlurRectDirectBench(p, REALBIG);)
 DEF_BENCH(return new BlurRectDirectBench(p, REAL);)
 
-DEF_BENCH(return new BlurRectDirectBench(p, SkIntToScalar(5));)
-DEF_BENCH(return new BlurRectDirectBench(p, SkIntToScalar(20));)
+DEF_BENCH(return new BlurRectDirectBench(p, kMedium);)
+DEF_BENCH(return new BlurRectDirectBench(p, kMedBig);)
 
-DEF_BENCH(return new BlurRectBoxFilterBench(p, SkIntToScalar(5));)
-DEF_BENCH(return new BlurRectBoxFilterBench(p, SkIntToScalar(20));)
+DEF_BENCH(return new BlurRectBoxFilterBench(p, kMedium);)
+DEF_BENCH(return new BlurRectBoxFilterBench(p, kMedBig);)
 
 #if 0
 // disable Gaussian benchmarks; the algorithm works well enough