Merge WebKit at r75993: Initial merge by git.

Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3

1 files changed, 0 insertions, 352 deletions

diff --git a/Source/WebCore/rendering/SVGRenderSupport.cpp b/Source/WebCore/rendering/SVGRenderSupport.cpp
deleted file mode 100644
index cbde49b..0000000
--- a/Source/WebCore/rendering/SVGRenderSupport.cpp
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
- *           (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
- *           (C) 2007 Eric Seidel <eric@webkit.org>
- *           (C) 2009 Google, Inc.  All rights reserved.
- *           (C) 2009 Dirk Schulze <krit@webkit.org>
- * Copyright (C) Research In Motion Limited 2009-2010. 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"
-
-#if ENABLE(SVG)
-#include "SVGRenderSupport.h"
-
-#include "FrameView.h"
-#include "ImageBuffer.h"
-#include "NodeRenderStyle.h"
-#include "RenderLayer.h"
-#include "RenderSVGPath.h"
-#include "RenderSVGResource.h"
-#include "RenderSVGResourceClipper.h"
-#include "RenderSVGResourceFilter.h"
-#include "RenderSVGResourceMarker.h"
-#include "RenderSVGResourceMasker.h"
-#include "RenderSVGRoot.h"
-#include "SVGResources.h"
-#include "SVGStyledElement.h"
-#include "TransformState.h"
-#include <wtf/UnusedParam.h>
-
-namespace WebCore {
-
-IntRect SVGRenderSupport::clippedOverflowRectForRepaint(RenderObject* object, RenderBoxModelObject* repaintContainer)
-{
-    // Return early for any cases where we don't actually paint
-    if (object->style()->visibility() != VISIBLE && !object->enclosingLayer()->hasVisibleContent())
-        return IntRect();
-
-    // Pass our local paint rect to computeRectForRepaint() which will
-    // map to parent coords and recurse up the parent chain.
-    IntRect repaintRect = enclosingIntRect(object->repaintRectInLocalCoordinates());
-    object->computeRectForRepaint(repaintContainer, repaintRect);
-    return repaintRect;
-}
-
-void SVGRenderSupport::computeRectForRepaint(RenderObject* object, RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)
-{
-    const SVGRenderStyle* svgStyle = object->style()->svgStyle();
-    if (const ShadowData* shadow = svgStyle->shadow())
-        shadow->adjustRectForShadow(repaintRect);
-
-    // Translate to coords in our parent renderer, and then call computeRectForRepaint on our parent
-    repaintRect = object->localToParentTransform().mapRect(repaintRect);
-    object->parent()->computeRectForRepaint(repaintContainer, repaintRect, fixed);
-}
-
-void SVGRenderSupport::mapLocalToContainer(const RenderObject* object, RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState)
-{
-    ASSERT(!fixed); // We should have no fixed content in the SVG rendering tree.
-    ASSERT(useTransforms); // Mapping a point through SVG w/o respecting transforms is useless.
-    transformState.applyTransform(object->localToParentTransform());
-    object->parent()->mapLocalToContainer(repaintContainer, fixed, useTransforms, transformState);
-}
-
-bool SVGRenderSupport::prepareToRenderSVGContent(RenderObject* object, PaintInfo& paintInfo)
-{
-    ASSERT(object);
-
-    RenderStyle* style = object->style();
-    ASSERT(style);
-
-    const SVGRenderStyle* svgStyle = style->svgStyle();
-    ASSERT(svgStyle);
-
-    // Setup transparency layers before setting up SVG resources!
-    float opacity = style->opacity();
-    const ShadowData* shadow = svgStyle->shadow();
-    if (opacity < 1 || shadow) {
-        FloatRect repaintRect = object->repaintRectInLocalCoordinates();
-
-        if (opacity < 1) {
-            paintInfo.context->clip(repaintRect);
-            paintInfo.context->beginTransparencyLayer(opacity);
-        }
-
-        if (shadow) {
-            paintInfo.context->clip(repaintRect);
-            paintInfo.context->setShadow(IntSize(shadow->x(), shadow->y()), shadow->blur(), shadow->color(), style->colorSpace());
-            paintInfo.context->beginTransparencyLayer(1);
-        }
-    }
-
-    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(object);
-    if (!resources)
-        return true;
-
-    if (RenderSVGResourceMasker* masker = resources->masker()) {
-        if (!masker->applyResource(object, style, paintInfo.context, ApplyToDefaultMode))
-            return false;
-    }
-
-    if (RenderSVGResourceClipper* clipper = resources->clipper()) {
-        if (!clipper->applyResource(object, style, paintInfo.context, ApplyToDefaultMode))
-            return false;
-    }
-
-#if ENABLE(FILTERS)
-    if (RenderSVGResourceFilter* filter = resources->filter()) {
-        if (!filter->applyResource(object, style, paintInfo.context, ApplyToDefaultMode))
-            return false;
-    }
-#endif
-
-    return true;
-}
-
-void SVGRenderSupport::finishRenderSVGContent(RenderObject* object, PaintInfo& paintInfo, GraphicsContext* savedContext)
-{
-#if !ENABLE(FILTERS)
-    UNUSED_PARAM(savedContext);
-#endif
-
-    ASSERT(object);
-
-    const RenderStyle* style = object->style();
-    ASSERT(style);
-
-    const SVGRenderStyle* svgStyle = style->svgStyle();
-    ASSERT(svgStyle);
-
-#if ENABLE(FILTERS)
-    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(object);
-    if (resources) {
-        if (RenderSVGResourceFilter* filter = resources->filter()) {
-            filter->postApplyResource(object, paintInfo.context, ApplyToDefaultMode, /* path */0);
-            paintInfo.context = savedContext;
-        }
-    }
-#endif
-
-    if (style->opacity() < 1)
-        paintInfo.context->endTransparencyLayer();
-
-    if (svgStyle->shadow())
-        paintInfo.context->endTransparencyLayer();
-}
-
-void SVGRenderSupport::computeContainerBoundingBoxes(const RenderObject* container, FloatRect& objectBoundingBox, FloatRect& strokeBoundingBox, FloatRect& repaintBoundingBox)
-{
-    for (RenderObject* current = container->firstChild(); current; current = current->nextSibling()) {
-        if (current->isSVGHiddenContainer())
-            continue;
-
-        const AffineTransform& transform = current->localToParentTransform();
-        if (transform.isIdentity()) {
-            objectBoundingBox.unite(current->objectBoundingBox());
-            strokeBoundingBox.unite(current->strokeBoundingBox());
-            repaintBoundingBox.unite(current->repaintRectInLocalCoordinates());
-        } else {
-            objectBoundingBox.unite(transform.mapRect(current->objectBoundingBox()));
-            strokeBoundingBox.unite(transform.mapRect(current->strokeBoundingBox()));
-            repaintBoundingBox.unite(transform.mapRect(current->repaintRectInLocalCoordinates()));
-        }
-    }
-}
-
-bool SVGRenderSupport::paintInfoIntersectsRepaintRect(const FloatRect& localRepaintRect, const AffineTransform& localTransform, const PaintInfo& paintInfo)
-{
-    if (localTransform.isIdentity())
-        return localRepaintRect.intersects(paintInfo.rect);
-
-    return localTransform.mapRect(localRepaintRect).intersects(paintInfo.rect);
-}
-
-const RenderSVGRoot* SVGRenderSupport::findTreeRootObject(const RenderObject* start)
-{
-    while (start && !start->isSVGRoot())
-        start = start->parent();
-
-    ASSERT(start);
-    ASSERT(start->isSVGRoot());
-    return toRenderSVGRoot(start);
-}
-
-static inline void invalidateResourcesOfChildren(RenderObject* start)
-{
-    ASSERT(!start->needsLayout());
-    if (SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(start))
-        resources->removeClientFromCache(start, false);
-
-    for (RenderObject* child = start->firstChild(); child; child = child->nextSibling())
-        invalidateResourcesOfChildren(child);
-}
-
-void SVGRenderSupport::layoutChildren(RenderObject* start, bool selfNeedsLayout)
-{
-    bool layoutSizeChanged = findTreeRootObject(start)->isLayoutSizeChanged();
-    HashSet<RenderObject*> notlayoutedObjects;
-
-    for (RenderObject* child = start->firstChild(); child; child = child->nextSibling()) {
-        bool needsLayout = selfNeedsLayout;
-
-        if (layoutSizeChanged) {
-            // When selfNeedsLayout is false and the layout size changed, we have to check whether this child uses relative lengths
-            if (SVGElement* element = child->node()->isSVGElement() ? static_cast<SVGElement*>(child->node()) : 0) {
-                if (element->isStyled() && static_cast<SVGStyledElement*>(element)->hasRelativeLengths()) {
-                    // When the layout size changed and when using relative values tell the RenderSVGPath to update its Path object
-                    if (child->isSVGPath())
-                        toRenderSVGPath(child)->setNeedsPathUpdate();
-
-                    needsLayout = true;
-                }
-            }
-        }
-
-        if (needsLayout) {
-            child->setNeedsLayout(true, false);
-            child->layout();
-        } else {
-            if (child->needsLayout())
-                child->layout();
-            else if (layoutSizeChanged)
-                notlayoutedObjects.add(child);
-        }
-
-        ASSERT(!child->needsLayout());
-    }
-
-    if (!layoutSizeChanged) {
-        ASSERT(notlayoutedObjects.isEmpty());
-        return;
-    }
-
-    // If the layout size changed, invalidate all resources of all children that didn't go through the layout() code path.
-    HashSet<RenderObject*>::iterator end = notlayoutedObjects.end();
-    for (HashSet<RenderObject*>::iterator it = notlayoutedObjects.begin(); it != end; ++it)
-        invalidateResourcesOfChildren(*it);
-}
-
-bool SVGRenderSupport::isOverflowHidden(const RenderObject* object)
-{
-    // SVG doesn't support independent x/y overflow
-    ASSERT(object->style()->overflowX() == object->style()->overflowY());
-
-    // OSCROLL is never set for SVG - see CSSStyleSelector::adjustRenderStyle
-    ASSERT(object->style()->overflowX() != OSCROLL);
-
-    // RenderSVGRoot should never query for overflow state - it should always clip itself to the initial viewport size.
-    ASSERT(!object->isRoot());
-
-    return object->style()->overflowX() == OHIDDEN;
-}
-
-void SVGRenderSupport::intersectRepaintRectWithResources(const RenderObject* object, FloatRect& repaintRect)
-{
-    ASSERT(object);
-
-    RenderStyle* style = object->style();
-    ASSERT(style);
-
-    const SVGRenderStyle* svgStyle = style->svgStyle();
-    ASSERT(svgStyle);
-
-    RenderObject* renderer = const_cast<RenderObject*>(object);
-    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(renderer);
-    if (!resources) {
-        if (const ShadowData* shadow = svgStyle->shadow())
-            shadow->adjustRectForShadow(repaintRect);
-        return;
-    }
-
-#if ENABLE(FILTERS)
-    if (RenderSVGResourceFilter* filter = resources->filter())
-        repaintRect = filter->resourceBoundingBox(renderer);
-#endif
-
-    if (RenderSVGResourceClipper* clipper = resources->clipper())
-        repaintRect.intersect(clipper->resourceBoundingBox(renderer));
-
-    if (RenderSVGResourceMasker* masker = resources->masker())
-        repaintRect.intersect(masker->resourceBoundingBox(renderer));
-
-    if (const ShadowData* shadow = svgStyle->shadow())
-        shadow->adjustRectForShadow(repaintRect);
-}
-
-bool SVGRenderSupport::pointInClippingArea(RenderObject* object, const FloatPoint& point)
-{
-    ASSERT(object);
-
-    // We just take clippers into account to determine if a point is on the node. The Specification may
-    // change later and we also need to check maskers.
-    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(object);
-    if (!resources)
-        return true;
-
-    if (RenderSVGResourceClipper* clipper = resources->clipper())
-        return clipper->hitTestClipContent(object->objectBoundingBox(), point);
-
-    return true;
-}
-
-void SVGRenderSupport::applyStrokeStyleToContext(GraphicsContext* context, const RenderStyle* style, const RenderObject* object)
-{
-    ASSERT(context);
-    ASSERT(style);
-    ASSERT(object);
-    ASSERT(object->node());
-    ASSERT(object->node()->isSVGElement());
-
-    const SVGRenderStyle* svgStyle = style->svgStyle();
-    ASSERT(svgStyle);
-
-    SVGElement* lengthContext = static_cast<SVGElement*>(object->node());
-    context->setStrokeThickness(svgStyle->strokeWidth().value(lengthContext));
-    context->setLineCap(svgStyle->capStyle());
-    context->setLineJoin(svgStyle->joinStyle());
-    if (svgStyle->joinStyle() == MiterJoin)
-        context->setMiterLimit(svgStyle->strokeMiterLimit());
-
-    const Vector<SVGLength>& dashes = svgStyle->strokeDashArray();
-    if (dashes.isEmpty())
-        context->setStrokeStyle(SolidStroke);
-    else {
-        DashArray dashArray;
-        const Vector<SVGLength>::const_iterator end = dashes.end();
-        for (Vector<SVGLength>::const_iterator it = dashes.begin(); it != end; ++it)
-            dashArray.append((*it).value(lengthContext));
-
-        context->setLineDash(dashArray, svgStyle->strokeDashOffset().value(lengthContext));
-    }
-}
-
-}
-
-#endif