Move feConvolveMatrix error handling to FEConvolveMatrix

third_party/WebKit/Source/platform/graphics/filters/FilterEffect.cpp

 /*
  * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2012 University of Szeged
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
-
 #include "platform/graphics/filters/FilterEffect.h"
 
 #include "platform/graphics/filters/Filter.h"
+#include "third_party/skia/include/effects/SkPictureImageFilter.h"
 
 namespace blink {
 
 FilterEffect::FilterEffect(Filter* filter)
     : m_filter(filter)
     , m_hasX(false)
     , m_hasY(false)
     , m_hasWidth(false)
     , m_hasHeight(false)
     , m_clipsToBounds(true)
@@ skipping 144 matching lines @@
 PassRefPtr<SkImageFilter> FilterEffect::createImageFilter(SkiaImageFilterBuilder* builder)
 {
     return nullptr;
 }
 
 PassRefPtr<SkImageFilter> FilterEffect::createImageFilterWithoutValidation(SkiaImageFilterBuilder* builder)
 {
     return createImageFilter(builder);
 }
 
+PassRefPtr<SkImageFilter> FilterEffect::createTransparentBlack() const
+{
+    return adoptRef(SkPictureImageFilter::Create(nullptr, filterPrimitiveSubregion()));
+}
+
 bool FilterEffect::hasConnectedInput() const
 {
     for (unsigned i = 0; i < m_inputEffects.size(); i++) {
         if (m_inputEffects[i]) {
             return true;
         }
     }
     return false;
 }
 
@@ skipping 43 matching lines @@
     return m_imageFilters[index].get();
 }
 
 void FilterEffect::setImageFilter(ColorSpace colorSpace, bool requiresPMColorValidation, PassRefPtr<SkImageFilter> imageFilter)
 {
     int index = getImageFilterIndex(colorSpace, requiresPMColorValidation);
     m_imageFilters[index] = imageFilter;
 }
 
 } // namespace blink