Add default ctor to SkMask

src/effects/SkBlurMaskFilter.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
@@ skipping 335 matching lines @@
 
     // TODO: take clipBounds into account to limit our coordinates up front
     // for now, just skip too-large src rects (to take the old code path).
     if (rect_exceeds(rrect.rect(), SkIntToScalar(32767))) {
         return kUnimplemented_FilterReturn;
     }
 
     SkIPoint margin;
     SkMask  srcM, dstM;
     srcM.fBounds = rrect.rect().roundOut();
-    srcM.fImage = nullptr;
     srcM.fFormat = SkMask::kA8_Format;
     srcM.fRowBytes = 0;
 
     bool filterResult = false;
     if (c_analyticBlurRRect) {
         // special case for fast round rect blur
         // don't actually do the blur the first time, just compute the correct size
         filterResult = this->filterRRectMask(&dstM, rrect, matrix, &margin,
                                             SkMask::kJustComputeBounds_CreateMode);
     }
@@ skipping 99 matching lines @@
 
     // TODO: take clipBounds into account to limit our coordinates up front
     // for now, just skip too-large src rects (to take the old code path).
     if (rect_exceeds(rects[0], SkIntToScalar(32767))) {
         return kUnimplemented_FilterReturn;
     }
 
     SkIPoint margin;
     SkMask  srcM, dstM;
     srcM.fBounds = rects[0].roundOut();
-    srcM.fImage = nullptr;
     srcM.fFormat = SkMask::kA8_Format;
     srcM.fRowBytes = 0;
 
     bool filterResult = false;
     if (count == 1 && c_analyticBlurNinepatch) {
         // special case for fast rect blur
         // don't actually do the blur the first time, just compute the correct size
         filterResult = this->filterRectMask(&dstM, rects[0], matrix, &margin,
                                             SkMask::kJustComputeBounds_CreateMode);
     } else {
@@ skipping 495 matching lines @@
         SkRRect smallRRect;
         smallRRect.setRectXY(smallRect, SkIntToScalar(cornerRadius), SkIntToScalar(cornerRadius));
 
         SkPath path;
         path.addRRect(smallRRect);
 
         SkDraw::DrawToMask(path, &mask.fBounds, nullptr, nullptr, &mask,
                            SkMask::kJustRenderImage_CreateMode, SkPaint::kFill_Style);
 
         SkMask blurredMask;
-        SkBlurMask::BoxBlur(&blurredMask, mask, sigma, kNormal_SkBlurStyle, kHigh_SkBlurQuality,
-                            nullptr, true);
+        if (!SkBlurMask::BoxBlur(&blurredMask, mask, sigma, kNormal_SkBlurStyle,
+                                 kHigh_SkBlurQuality, nullptr, true)) {
+            return nullptr;
+        }
 
         unsigned int texSide = smallRectSide + 2*blurRadius;
         GrSurfaceDesc texDesc;
         texDesc.fWidth = texSide;
         texDesc.fHeight = texSide;
         texDesc.fConfig = kAlpha_8_GrPixelConfig;
 
         blurNinePatchTexture.reset(
             texProvider->createTexture(texDesc, true, blurredMask.fImage, 0));
         SkMask::FreeImage(blurredMask.fImage);
@@ skipping 303 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END