move common blur types into central header

BUG=skia:
R=scroggo@google.com, djsollen@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/253833002

git-svn-id: http://skia.googlecode.com/svn/trunk@14411 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleAll.cpp b/samplecode/SampleAll.cpp
index 35eeaba..96dcdae 100644
--- a/samplecode/SampleAll.cpp
+++ b/samplecode/SampleAll.cpp
@@ -82,7 +82,7 @@
 ///////////////////////////////////////////////////////////
 
 static void r0(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
-    p.setMaskFilter(SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+    p.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                              SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(3)),
                                              SkBlurMaskFilter::kNone_BlurFlag))->unref();
     rastBuilder->addLayer(p, SkIntToScalar(3), SkIntToScalar(3));
diff --git a/samplecode/SampleAnimBlur.cpp b/samplecode/SampleAnimBlur.cpp
index 5d6638a..e00c46d 100644
--- a/samplecode/SampleAnimBlur.cpp
+++ b/samplecode/SampleAnimBlur.cpp
@@ -37,11 +37,11 @@
                                                              25 * SK_Scalar1,
                                                              3 * SK_Scalar1);
 
-        static const SkBlurMaskFilter::BlurStyle gStyles[] = {
-            SkBlurMaskFilter::kNormal_BlurStyle,
-            SkBlurMaskFilter::kInner_BlurStyle,
-            SkBlurMaskFilter::kSolid_BlurStyle,
-            SkBlurMaskFilter::kOuter_BlurStyle,
+        static const SkBlurStyle gStyles[] = {
+            kNormal_SkBlurStyle,
+            kInner_SkBlurStyle,
+            kSolid_SkBlurStyle,
+            kOuter_SkBlurStyle,
         };
         SkRandom random;
 
diff --git a/samplecode/SampleBigBlur.cpp b/samplecode/SampleBigBlur.cpp
index 928fc6f..fcbd6ac 100644
--- a/samplecode/SampleBigBlur.cpp
+++ b/samplecode/SampleBigBlur.cpp
@@ -31,7 +31,7 @@
         canvas->save();
         paint.setColor(SK_ColorBLUE);
         SkMaskFilter* mf = SkBlurMaskFilter::Create(
-            SkBlurMaskFilter::kNormal_BlurStyle,
+            kNormal_SkBlurStyle,
             SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(128)),
             SkBlurMaskFilter::kHighQuality_BlurFlag);
         paint.setMaskFilter(mf)->unref();
diff --git a/samplecode/SampleBlur.cpp b/samplecode/SampleBlur.cpp
index a918bf2..7607dfc 100644
--- a/samplecode/SampleBlur.cpp
+++ b/samplecode/SampleBlur.cpp
@@ -76,16 +76,16 @@
     virtual void onDrawContent(SkCanvas* canvas) {
         drawBG(canvas);
 
-        SkBlurMaskFilter::BlurStyle NONE = SkBlurMaskFilter::BlurStyle(-999);
+        SkBlurStyle NONE = SkBlurStyle(-999);
         static const struct {
-            SkBlurMaskFilter::BlurStyle fStyle;
-            int                         fCx, fCy;
+            SkBlurStyle fStyle;
+            int         fCx, fCy;
         } gRecs[] = {
             { NONE,                                 0,  0 },
-            { SkBlurMaskFilter::kInner_BlurStyle,  -1,  0 },
-            { SkBlurMaskFilter::kNormal_BlurStyle,  0,  1 },
-            { SkBlurMaskFilter::kSolid_BlurStyle,   0, -1 },
-            { SkBlurMaskFilter::kOuter_BlurStyle,   1,  0 },
+            { kInner_SkBlurStyle,  -1,  0 },
+            { kNormal_SkBlurStyle,  0,  1 },
+            { kSolid_SkBlurStyle,   0, -1 },
+            { kOuter_SkBlurStyle,   1,  0 },
         };
 
         SkPaint paint;
@@ -111,7 +111,7 @@
             }
             // draw text
             {
-                SkMaskFilter* mf = SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+                SkMaskFilter* mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                       SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4)),
                                       flags);
                 paint.setMaskFilter(mf)->unref();
diff --git a/samplecode/SampleEffects.cpp b/samplecode/SampleEffects.cpp
index cbefae8..01a63ad 100644
--- a/samplecode/SampleEffects.cpp
+++ b/samplecode/SampleEffects.cpp
@@ -24,7 +24,7 @@
 
 static void paint_proc1(SkPaint* paint) {
     paint->setMaskFilter(SkBlurMaskFilter::Create(
-                                SkBlurMaskFilter::kNormal_BlurStyle,
+                                kNormal_SkBlurStyle,
                                 SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(2))))->unref();
 }
 
diff --git a/samplecode/SampleFuzz.cpp b/samplecode/SampleFuzz.cpp
index e66f086..e690df1 100644
--- a/samplecode/SampleFuzz.cpp
+++ b/samplecode/SampleFuzz.cpp
@@ -190,9 +190,8 @@
 
     case 7:
       if (quick == true) break;
-          SkSafeUnref(paint.setMaskFilter(SkBlurMaskFilter::Create(
-                                                  SkBlurMaskFilter::kNormal_BlurStyle,
-                                                  make_number())));
+          SkSafeUnref(paint.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
+                                                                   make_number())));
       break;
 
     case 8:
diff --git a/samplecode/SampleSlides.cpp b/samplecode/SampleSlides.cpp
index ece9684..d828ae6 100644
--- a/samplecode/SampleSlides.cpp
+++ b/samplecode/SampleSlides.cpp
@@ -478,7 +478,7 @@
 
 static void r0(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p)
 {
-    p.setMaskFilter(SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+    p.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                              SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(3))))->unref();
     rastBuilder->addLayer(p, SkIntToScalar(3), SkIntToScalar(3));
 
diff --git a/samplecode/SampleStrokePath.cpp b/samplecode/SampleStrokePath.cpp
index ce6a010..4526512 100644
--- a/samplecode/SampleStrokePath.cpp
+++ b/samplecode/SampleStrokePath.cpp
@@ -160,11 +160,11 @@
             paint.setColor(SK_ColorWHITE);
             canvas->translate(10, 30);
 
-            static const SkBlurMaskFilter::BlurStyle gStyle[] = {
-                SkBlurMaskFilter::kNormal_BlurStyle,
-                SkBlurMaskFilter::kInner_BlurStyle,
-                SkBlurMaskFilter::kOuter_BlurStyle,
-                SkBlurMaskFilter::kSolid_BlurStyle,
+            static const SkBlurStyle gStyle[] = {
+                kNormal_SkBlurStyle,
+                kInner_SkBlurStyle,
+                kOuter_SkBlurStyle,
+                kSolid_SkBlurStyle,
             };
             for (int x = 0; x < 5; x++) {
                 SkMaskFilter* mf;
diff --git a/samplecode/SampleTextAlpha.cpp b/samplecode/SampleTextAlpha.cpp
index 2732452..fcef92f 100644
--- a/samplecode/SampleTextAlpha.cpp
+++ b/samplecode/SampleTextAlpha.cpp
@@ -70,7 +70,7 @@
 
         paint.setARGB(fByte, 0xFF, 0xFF, 0xFF);
 
-        paint.setMaskFilter(SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+        paint.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                     SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(3))));
         paint.getMaskFilter()->unref();
 
diff --git a/samplecode/SampleTextureDomain.cpp b/samplecode/SampleTextureDomain.cpp
index 47a3ab0..926c559 100644
--- a/samplecode/SampleTextureDomain.cpp
+++ b/samplecode/SampleTextureDomain.cpp
@@ -78,7 +78,7 @@
         srcRect.setXYWH(1, 1, 3, 3);
         dstRect.setXYWH(5, 405, 305, 305);
         SkMaskFilter* mf = SkBlurMaskFilter::Create(
-            SkBlurMaskFilter::kNormal_BlurStyle,
+            kNormal_SkBlurStyle,
             SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
             SkBlurMaskFilter::kHighQuality_BlurFlag |
             SkBlurMaskFilter::kIgnoreTransform_BlurFlag);
@@ -90,7 +90,7 @@
         // but it will test a code path in SkGpuDevice::drawBitmap
         // that handles blurs with rects transformed to non-
         // orthogonal rects. It also tests the NULL src rect handling
-        mf = SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+        mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                       SkBlurMask::ConvertRadiusToSigma(5),
                                       SkBlurMaskFilter::kHighQuality_BlurFlag);
         paint.setMaskFilter(mf)->unref();
diff --git a/samplecode/SampleXfermodesBlur.cpp b/samplecode/SampleXfermodesBlur.cpp
index de75d05..620de54 100644
--- a/samplecode/SampleXfermodesBlur.cpp
+++ b/samplecode/SampleXfermodesBlur.cpp
@@ -46,7 +46,7 @@
     void draw_mode(SkCanvas* canvas, SkXfermode* mode, int alpha,
                    SkScalar x, SkScalar y) {
         SkPaint p;
-        SkMaskFilter* mf = SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+        SkMaskFilter* mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                        SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
                                        SkBlurMaskFilter::kNone_BlurFlag);
         p.setMaskFilter(mf)->unref();