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

gm/shadows.cpp

Index: gm/shadows.cpp
===================================================================
--- gm/shadows.cpp	(revision 11004)
+++ gm/shadows.cpp	(working copy)
@@ -46,34 +46,34 @@
     virtual void onDraw(SkCanvas* canvas) {
     SkBlurDrawLooper* shadowLoopers[5];
     shadowLoopers[0] =
-        new SkBlurDrawLooper (SkIntToScalar(10), SkIntToScalar(5),
-                              SkIntToScalar(10), 0xFF0000FF,
+        new SkBlurDrawLooper (SK_ColorBLUE, SkFloatToScalar(6.2735f), SkIntToScalar(5),
+                              SkIntToScalar(10),
                               SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
                               SkBlurDrawLooper::kOverrideColor_BlurFlag |
                               SkBlurDrawLooper::kHighQuality_BlurFlag);
     SkAutoUnref aurL0(shadowLoopers[0]);
     shadowLoopers[1] =
-        new SkBlurDrawLooper (SkIntToScalar(10), SkIntToScalar(5),
-                              SkIntToScalar(10), 0xFF0000FF,
+        new SkBlurDrawLooper (SK_ColorBLUE, SkFloatToScalar(6.2735f), SkIntToScalar(5),
+                              SkIntToScalar(10),
                               SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
                               SkBlurDrawLooper::kOverrideColor_BlurFlag);
     SkAutoUnref aurL1(shadowLoopers[1]);
     shadowLoopers[2] =
-        new SkBlurDrawLooper (SkIntToScalar(5), SkIntToScalar(5),
-                              SkIntToScalar(10), 0xFF000000,
+        new SkBlurDrawLooper (SK_ColorBLACK, SkFloatToScalar(3.38675f), SkIntToScalar(5),
+                              SkIntToScalar(10),
                               SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
                               SkBlurDrawLooper::kHighQuality_BlurFlag);
     SkAutoUnref aurL2(shadowLoopers[2]);
     shadowLoopers[3] =
-        new SkBlurDrawLooper (SkIntToScalar(5), SkIntToScalar(-5),
-                              SkIntToScalar(-10), 0x7FFF0000,
+        new SkBlurDrawLooper (0x7FFF0000, SkFloatToScalar(3.38675f), SkIntToScalar(-5),
+                              SkIntToScalar(-10),
                               SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
                               SkBlurDrawLooper::kOverrideColor_BlurFlag |
                               SkBlurDrawLooper::kHighQuality_BlurFlag);
     SkAutoUnref aurL3(shadowLoopers[3]);
     shadowLoopers[4] =
-        new SkBlurDrawLooper (SkIntToScalar(0), SkIntToScalar(5),
-                              SkIntToScalar(5), 0xFF000000,
+        new SkBlurDrawLooper (SK_ColorBLACK, SkIntToScalar(0), SkIntToScalar(5),
+                              SkIntToScalar(5),
                               SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
                               SkBlurDrawLooper::kOverrideColor_BlurFlag |
                               SkBlurDrawLooper::kHighQuality_BlurFlag);