Made shadows blurry (thru implementing variance mapping)

src/core/SkRecorder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBigPicture.h"
 #include "SkCanvasPriv.h"
 #include "SkImage.h"
@@ skipping 285 matching lines @@
     if (fDrawPictureMode == Record_DrawPictureMode) {
         fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
         APPEND(DrawPicture, this->copy(paint), sk_ref_sp(pic), matrix ? *matrix : SkMatrix::I());
     } else {
         SkASSERT(fDrawPictureMode == Playback_DrawPictureMode);
         SkAutoCanvasMatrixPaint acmp(this, matrix, paint, pic->cullRect());
         pic->playback(this);
     }
 }
 
-void SkRecorder::onDrawShadowedPicture(const SkPicture* pic,
-                                       const SkMatrix* matrix,
-                                       const SkPaint* paint) {
+void SkRecorder::onDrawShadowedPicture(const SkPicture* pic, const SkMatrix* matrix,
+                                       const SkPaint* paint, const SkShadowParams& params) {
     if (fDrawPictureMode == Record_DrawPictureMode) {
         fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
         APPEND(DrawShadowedPicture, this->copy(paint),
                                     sk_ref_sp(pic),
-                                    matrix ? *matrix : SkMatrix::I());
+                                    matrix ? *matrix : SkMatrix::I(),
+                                    params);
     } else {
+        // TODO update pic->playback(this) to draw the shadowed pic
         SkASSERT(fDrawPictureMode == Playback_DrawPictureMode);
         SkAutoCanvasMatrixPaint acmp(this,  matrix, paint, pic->cullRect());
         pic->playback(this);
     }
 }
 
 
 void SkRecorder::onDrawVertices(VertexMode vmode,
                                 int vertexCount, const SkPoint vertices[],
                                 const SkPoint texs[], const SkColor colors[],
@@ skipping 89 matching lines @@
 }
 
 void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
     INHERITED(onClipRegion, deviceRgn, op);
     APPEND(ClipRegion, this->devBounds(), deviceRgn, op);
 }
 
 sk_sp<SkSurface> SkRecorder::onNewSurface(const SkImageInfo&, const SkSurfaceProps&) {
     return nullptr;
 }