Made shadows blurry (thru implementing variance mapping)

tools/debugger/SkDebugCanvas.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvasPriv.h"
 #include "SkClipStack.h"
 #include "SkDebugCanvas.h"
@@ skipping 42 matching lines @@
 
     void onDrawPicture(const SkPicture* picture,
                        const SkMatrix* matrix,
                        const SkPaint* paint) override {
         // We need to replay the picture onto this canvas in order to filter its internal paints.
         this->SkCanvas::onDrawPicture(picture, matrix, paint);
     }
 
     void onDrawShadowedPicture(const SkPicture* picture,
                                const SkMatrix* matrix,
-                               const SkPaint* paint) {
+                               const SkPaint* paint,
+                               SkShadowType sType) {
 #ifdef SK_EXPERIMENTAL_SHADOWING
-        this->SkCanvas::onDrawShadowedPicture(picture, matrix, paint);
+        this->SkCanvas::onDrawShadowedPicture(picture, matrix, paint, sType);
 #else
         this->SkCanvas::onDrawPicture(picture, matrix, paint);
 #endif
     }
 
 private:
     sk_sp<SkXfermode> fOverdrawXfermode;
 
     bool fOverrideFilterQuality;
     SkFilterQuality fFilterQuality;
@@ skipping 532 matching lines @@
                                   const SkMatrix* matrix,
                                   const SkPaint* paint) {
     this->addDrawCommand(new SkBeginDrawPictureCommand(picture, matrix, paint));
     SkAutoCanvasMatrixPaint acmp(this, matrix, paint, picture->cullRect());
     picture->playback(this);
     this->addDrawCommand(new SkEndDrawPictureCommand(SkToBool(matrix) || SkToBool(paint)));
 }
 
 void SkDebugCanvas::onDrawShadowedPicture(const SkPicture* picture,
                                           const SkMatrix* matrix,
-                                          const SkPaint* paint) {
+                                          const SkPaint* paint,
+                                          SkShadowType sType) {
     this->addDrawCommand(new SkBeginDrawShadowedPictureCommand(picture, matrix, paint));
     SkAutoCanvasMatrixPaint acmp(this, matrix, paint, picture->cullRect());
     picture->playback(this);
     this->addDrawCommand(new SkEndDrawShadowedPictureCommand(SkToBool(matrix) || SkToBool(paint)));
 }
 
 void SkDebugCanvas::onDrawPoints(PointMode mode, size_t count,
                                  const SkPoint pts[], const SkPaint& paint) {
     this->addDrawCommand(new SkDrawPointsCommand(mode, count, pts, paint));
 }
@@ skipping 209 matching lines @@
 }
 
 bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) {
     if (fCalledAddStackData) {
         fClipStackData.appendf("<br>");
         addPathData(devPath, "pathOut");
         return true;
     }
     return false;
 }