Update FilterEffect colorspace on color-interpolation-filters changes

third_party/WebKit/Source/core/svg/SVGFilterPrimitiveStandardAttributes.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  *
  * 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 "core/svg/SVGFilterPrimitiveStandardAttributes.h"
 
 #include "core/SVGNames.h"
 #include "core/layout/svg/LayoutSVGResourceContainer.h"
 #include "core/layout/svg/LayoutSVGResourceFilterPrimitive.h"
 #include "core/svg/SVGLength.h"
+#include "core/svg/graphics/filters/SVGFilterBuilder.h"
 #include "platform/graphics/filters/FilterEffect.h"
 
 namespace blink {
 
 SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document& document)
     : SVGElement(tagName, document)
     , m_x(SVGAnimatedLength::create(this, SVGNames::xAttr, SVGLength::create(SVGLengthMode::Width)))
     , m_y(SVGAnimatedLength::create(this, SVGNames::yAttr, SVGLength::create(SVGLengthMode::Height)))
     , m_width(SVGAnimatedLength::create(this, SVGNames::widthAttr, SVGLength::create(SVGLengthMode::Width)))
     , m_height(SVGAnimatedLength::create(this, SVGNames::heightAttr, SVGLength::create(SVGLengthMode::Height)))
@@ skipping 17 matching lines @@
 DEFINE_TRACE(SVGFilterPrimitiveStandardAttributes)
 {
     visitor->trace(m_x);
     visitor->trace(m_y);
     visitor->trace(m_width);
     visitor->trace(m_height);
     visitor->trace(m_result);
     SVGElement::trace(visitor);
 }
 
-bool SVGFilterPrimitiveStandardAttributes::setFilterEffectAttribute(FilterEffect*, const QualifiedName&)
+bool SVGFilterPrimitiveStandardAttributes::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
 {
-    // When all filters support this method, it will be changed to a pure virtual method.
-    ASSERT_NOT_REACHED();
-    return false;
+    DCHECK(attrName == SVGNames::color_interpolation_filtersAttr);
+    DCHECK(layoutObject());
+    EColorInterpolation colorInterpolation = layoutObject()->styleRef().svgStyle().colorInterpolationFilters();
+    ColorSpace resolvedColorSpace = SVGFilterBuilder::resolveColorSpace(colorInterpolation);
+    if (resolvedColorSpace == effect->operatingColorSpace())
+        return false;
+    effect->setOperatingColorSpace(resolvedColorSpace);
+    return true;
 }
 
 void SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr
         || attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr
         || attrName == SVGNames::resultAttr) {
         SVGElement::InvalidationGuard invalidationGuard(this);
         invalidate();
         return;
@@ skipping 60 matching lines @@
         return;
 
     LayoutObject* layoutObject = parent->layoutObject();
     if (!layoutObject || !layoutObject->isSVGResourceFilterPrimitive())
         return;
 
     LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation(layoutObject, false);
 }
 
 } // namespace blink