Move rendering/svg/RenderSVGResource* to layout/svg.

Source/core/rendering/svg/RenderSVGResourceGradient.cpp

-/*
- * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
- * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
- * Copyright (C) Research In Motion Limited 2010. 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 "core/rendering/svg/RenderSVGResourceGradient.h"
-
-namespace blink {
-
-RenderSVGResourceGradient::RenderSVGResourceGradient(SVGGradientElement* node)
-    : RenderSVGResourcePaintServer(node)
-    , m_shouldCollectGradientAttributes(true)
-{
-}
-
-void RenderSVGResourceGradient::removeAllClientsFromCache(bool markForInvalidation)
-{
-    m_gradientMap.clear();
-    m_shouldCollectGradientAttributes = true;
-    markAllClientsForInvalidation(markForInvalidation ? PaintInvalidation : ParentOnlyInvalidation);
-}
-
-void RenderSVGResourceGradient::removeClientFromCache(LayoutObject* client, bool markForInvalidation)
-{
-    ASSERT(client);
-    m_gradientMap.remove(client);
-    markClientForInvalidation(client, markForInvalidation ? PaintInvalidation : ParentOnlyInvalidation);
-}
-
-SVGPaintServer RenderSVGResourceGradient::preparePaintServer(const LayoutObject& object)
-{
-    clearInvalidationMask();
-
-    // Be sure to synchronize all SVG properties on the gradientElement _before_ processing any further.
-    // Otherwhise the call to collectGradientAttributes() in createTileImage(), may cause the SVG DOM property
-    // synchronization to kick in, which causes removeAllClientsFromCache() to be called, which in turn deletes our
-    // GradientData object! Leaving out the line below will cause svg/dynamic-updates/SVG*GradientElement-svgdom* to crash.
-    SVGGradientElement* gradientElement = toSVGGradientElement(element());
-    if (!gradientElement)
-        return SVGPaintServer::invalid();
-
-    if (m_shouldCollectGradientAttributes) {
-        gradientElement->synchronizeAnimatedSVGAttribute(anyQName());
-        if (!collectGradientAttributes(gradientElement))
-            return SVGPaintServer::invalid();
-
-        m_shouldCollectGradientAttributes = false;
-    }
-
-    // Spec: When the geometry of the applicable element has no width or height and objectBoundingBox is specified,
-    // then the given effect (e.g. a gradient or a filter) will be ignored.
-    FloatRect objectBoundingBox = object.objectBoundingBox();
-    if (gradientUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX && objectBoundingBox.isEmpty())
-        return SVGPaintServer::invalid();
-
-    OwnPtr<GradientData>& gradientData = m_gradientMap.add(&object, nullptr).storedValue->value;
-    if (!gradientData)
-        gradientData = adoptPtr(new GradientData);
-
-    // Create gradient object
-    if (!gradientData->gradient) {
-        buildGradient(gradientData.get());
-
-        // We want the text bounding box applied to the gradient space transform now, so the gradient shader can use it.
-        if (gradientUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX && !objectBoundingBox.isEmpty()) {
-            gradientData->userspaceTransform.translate(objectBoundingBox.x(), objectBoundingBox.y());
-            gradientData->userspaceTransform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
-        }
-
-        AffineTransform gradientTransform;
-        calculateGradientTransform(gradientTransform);
-
-        gradientData->userspaceTransform *= gradientTransform;
-    }
-
-    if (!gradientData->gradient)
-        return SVGPaintServer::invalid();
-
-    gradientData->gradient->setGradientSpaceTransform(gradientData->userspaceTransform);
-
-    return SVGPaintServer(gradientData->gradient);
-}
-
-bool RenderSVGResourceGradient::isChildAllowed(LayoutObject* child, const LayoutStyle&) const
-{
-    if (child->isSVGGradientStop())
-        return true;
-
-    if (!child->isSVGResourceContainer())
-        return false;
-
-    return toRenderSVGResourceContainer(child)->isSVGPaintServer();
-}
-
-void RenderSVGResourceGradient::addStops(GradientData* gradientData, const Vector<Gradient::ColorStop>& stops) const
-{
-    ASSERT(gradientData->gradient);
-
-    const Vector<Gradient::ColorStop>::const_iterator end = stops.end();
-    for (Vector<Gradient::ColorStop>::const_iterator it = stops.begin(); it != end; ++it)
-        gradientData->gradient->addColorStop(*it);
-}
-
-GradientSpreadMethod RenderSVGResourceGradient::platformSpreadMethodFromSVGType(SVGSpreadMethodType method) const
-{
-    switch (method) {
-    case SVGSpreadMethodUnknown:
-    case SVGSpreadMethodPad:
-        return SpreadMethodPad;
-    case SVGSpreadMethodReflect:
-        return SpreadMethodReflect;
-    case SVGSpreadMethodRepeat:
-        return SpreadMethodRepeat;
-    }
-
-    ASSERT_NOT_REACHED();
-    return SpreadMethodPad;
-}
-
-}