Diff
Modified: trunk/Source/WebCore/ChangeLog (286842 => 286843)
--- trunk/Source/WebCore/ChangeLog 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/ChangeLog 2021-12-10 12:19:40 UTC (rev 286843)
@@ -1,5 +1,45 @@
2021-12-10 Nikolas Zimmermann <nzimmerm...@igalia.com>
+ [LBSE] Handle RenderSVGRoot in all places that handle LegacyRenderSVGRoot
+ https://bugs.webkit.org/show_bug.cgi?id=233872
+
+ Reviewed by Rob Buis.
+
+ Various places that handle LegacyRenderSVGRoot, also need to handle the
+ LBSE RenderSVGRoot renderer -- this patch plumbs in support for
+ RenderSVGRoot where necessary.
+
+ Covered by existing tests, no change in behaviour.
+
+ * accessibility/AccessibilityRenderObject.cpp:
+ (WebCore::AccessibilityRenderObject::elementPath const):
+ * page/FrameView.cpp:
+ (WebCore::FrameView::applyOverflowToViewport):
+ * rendering/RenderTreeAsText.cpp:
+ (WebCore::write):
+ * rendering/svg/RenderSVGResource.cpp:
+ (WebCore::RenderSVGResource::markForLayoutAndParentResourceInvalidation):
+ * rendering/svg/SVGRenderSupport.cpp:
+ (WebCore::layoutSizeOfNearestViewportChanged):
+ * rendering/svg/SVGRenderTreeAsText.cpp:
+ (WebCore::write):
+ * rendering/svg/SVGRenderTreeAsText.h:
+ * rendering/updating/RenderTreeBuilder.cpp:
+ (WebCore::RenderTreeBuilder::attachInternal):
+ (WebCore::RenderTreeBuilder::detach):
+ * rendering/updating/RenderTreeBuilderSVG.cpp:
+ (WebCore::RenderTreeBuilder::SVG::attach):
+ (WebCore::RenderTreeBuilder::SVG::detach):
+ * rendering/updating/RenderTreeBuilderSVG.h:
+ * svg/SVGElement.cpp:
+ (WebCore::SVGElement::childShouldCreateRenderer const):
+ * svg/SVGSVGElement.cpp:
+ (WebCore::SVGSVGElement::svgAttributeChanged):
+ (WebCore::SVGSVGElement::currentViewBoxRect const):
+ (WebCore::SVGSVGElement::currentViewportSize const):
+
+2021-12-10 Nikolas Zimmermann <nzimmerm...@igalia.com>
+
[LBSE] Begin layer-aware RenderSVGRoot implementation
https://bugs.webkit.org/show_bug.cgi?id=233863
Modified: trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp (286842 => 286843)
--- trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -94,6 +94,7 @@
#include "RenderListMarker.h"
#include "RenderMathMLBlock.h"
#include "RenderMenuList.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGShape.h"
#include "RenderTableCell.h"
#include "RenderText.h"
@@ -954,6 +955,11 @@
if (auto svgRoot = ancestorsOfType<LegacyRenderSVGRoot>(*m_renderer).first()) {
LayoutPoint parentOffset = axObjectCache()->getOrCreate(&*svgRoot)->elementRect().location();
path.transform(AffineTransform().translate(parentOffset.x(), parentOffset.y()));
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ } else if (auto svgRoot = ancestorsOfType<RenderSVGRoot>(*m_renderer).first()) {
+ LayoutPoint parentOffset = axObjectCache()->getOrCreate(&*svgRoot)->elementRect().location();
+ path.transform(AffineTransform().translate(parentOffset.x(), parentOffset.y()));
+#endif
}
return path;
Modified: trunk/Source/WebCore/page/FrameView.cpp (286842 => 286843)
--- trunk/Source/WebCore/page/FrameView.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/page/FrameView.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -87,6 +87,7 @@
#include "RenderLayerBacking.h"
#include "RenderLayerCompositor.h"
#include "RenderLayerScrollableArea.h"
+#include "RenderSVGRoot.h"
#include "RenderScrollbar.h"
#include "RenderScrollbarPart.h"
#include "RenderStyle.h"
@@ -647,6 +648,17 @@
Overflow overflowX = renderer.effectiveOverflowX();
Overflow overflowY = renderer.effectiveOverflowY();
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ if (is<RenderSVGRoot>(renderer)) {
+ // FIXME: evaluate if we can allow overflow for these cases too.
+ // Overflow is always hidden when stand-alone SVG documents are embedded.
+ if (downcast<RenderSVGRoot>(renderer).isEmbeddedThroughFrameContainingSVGDocument()) {
+ overflowX = Overflow::Hidden;
+ overflowY = Overflow::Hidden;
+ }
+ }
+#endif
+
if (is<LegacyRenderSVGRoot>(renderer)) {
// FIXME: evaluate if we can allow overflow for these cases too.
// Overflow is always hidden when stand-alone SVG documents are embedded.
Modified: trunk/Source/WebCore/rendering/RenderTreeAsText.cpp (286842 => 286843)
--- trunk/Source/WebCore/rendering/RenderTreeAsText.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/RenderTreeAsText.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -63,6 +63,7 @@
#include "RenderSVGInlineText.h"
#include "RenderSVGPath.h"
#include "RenderSVGResourceContainer.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGText.h"
#include "RenderTableCell.h"
#include "RenderView.h"
@@ -573,6 +574,12 @@
writeSVGContainer(ts, downcast<RenderSVGContainer>(o), behavior);
return;
}
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ if (is<RenderSVGRoot>(o)) {
+ write(ts, downcast<RenderSVGRoot>(o), behavior);
+ return;
+ }
+#endif
if (is<LegacyRenderSVGRoot>(o)) {
write(ts, downcast<LegacyRenderSVGRoot>(o), behavior);
return;
Modified: trunk/Source/WebCore/rendering/svg/RenderSVGResource.cpp (286842 => 286843)
--- trunk/Source/WebCore/rendering/svg/RenderSVGResource.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/svg/RenderSVGResource.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -30,6 +30,7 @@
#include "RenderSVGResourceFilter.h"
#include "RenderSVGResourceMasker.h"
#include "RenderSVGResourceSolidColor.h"
+#include "RenderSVGRoot.h"
#include "RenderView.h"
#include "SVGResourceElementClient.h"
#include "SVGResources.h"
@@ -202,6 +203,10 @@
// invalidate the ancestor renderer because it may have finished its layout already.
if (is<LegacyRenderSVGRoot>(object) && downcast<LegacyRenderSVGRoot>(object).isInLayout())
object.setNeedsLayout(MarkOnlyThis);
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ else if (is<RenderSVGRoot>(object) && downcast<RenderSVGRoot>(object).isInLayout())
+ object.setNeedsLayout(MarkOnlyThis);
+#endif
else
object.setNeedsLayout(MarkContainingBlockChain);
}
Modified: trunk/Source/WebCore/rendering/svg/SVGRenderSupport.cpp (286842 => 286843)
--- trunk/Source/WebCore/rendering/svg/SVGRenderSupport.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/svg/SVGRenderSupport.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -40,6 +40,7 @@
#include "RenderSVGResourceFilter.h"
#include "RenderSVGResourceMarker.h"
#include "RenderSVGResourceMasker.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGText.h"
#include "RenderSVGTransformableContainer.h"
#include "RenderSVGViewportContainer.h"
@@ -211,6 +212,10 @@
if (is<RenderSVGViewportContainer>(*start))
return downcast<RenderSVGViewportContainer>(*start).isLayoutSizeChanged();
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ if (is<RenderSVGRoot>(*start))
+ return downcast<RenderSVGRoot>(*start).isLayoutSizeChanged();
+#endif
return downcast<LegacyRenderSVGRoot>(*start).isLayoutSizeChanged();
}
Modified: trunk/Source/WebCore/rendering/svg/SVGRenderTreeAsText.cpp (286842 => 286843)
--- trunk/Source/WebCore/rendering/svg/SVGRenderTreeAsText.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/svg/SVGRenderTreeAsText.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -47,6 +47,7 @@
#include "RenderSVGResourcePattern.h"
#include "RenderSVGResourceRadialGradientInlines.h"
#include "RenderSVGResourceSolidColor.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGShapeInlines.h"
#include "RenderSVGText.h"
#include "SVGCircleElement.h"
@@ -507,6 +508,16 @@
writeChildren(ts, container, behavior);
}
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+void write(TextStream& ts, const RenderSVGRoot& root, OptionSet<RenderAsTextFlag> behavior)
+{
+ writeStandardPrefix(ts, root, behavior);
+ writePositionAndStyle(ts, root, behavior);
+ ts << "\n";
+ writeChildren(ts, root, behavior);
+}
+#endif
+
void write(TextStream& ts, const LegacyRenderSVGRoot& root, OptionSet<RenderAsTextFlag> behavior)
{
writeStandardPrefix(ts, root, behavior);
Modified: trunk/Source/WebCore/rendering/svg/SVGRenderTreeAsText.h (286842 => 286843)
--- trunk/Source/WebCore/rendering/svg/SVGRenderTreeAsText.h 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/svg/SVGRenderTreeAsText.h 2021-12-10 12:19:40 UTC (rev 286843)
@@ -30,9 +30,11 @@
namespace WebCore {
+class AffineTransform;
class Color;
class FloatRect;
class FloatSize;
+class LegacyRenderSVGRoot;
class Node;
class RenderImage;
class RenderObject;
@@ -41,15 +43,17 @@
class RenderSVGImage;
class RenderSVGInlineText;
class RenderSVGResourceContainer;
+class RenderSVGRoot;
class RenderSVGShape;
-class LegacyRenderSVGRoot;
class RenderSVGText;
-class AffineTransform;
class SVGUnitTypes;
// functions used by the main RenderTreeAsText code
+void write(WTF::TextStream&, const LegacyRenderSVGRoot&, OptionSet<RenderAsTextFlag>);
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+void write(WTF::TextStream&, const RenderSVGRoot&, OptionSet<RenderAsTextFlag>);
+#endif
void write(WTF::TextStream&, const RenderSVGShape&, OptionSet<RenderAsTextFlag>);
-void write(WTF::TextStream&, const LegacyRenderSVGRoot&, OptionSet<RenderAsTextFlag>);
void writeSVGGradientStop(WTF::TextStream&, const RenderSVGGradientStop&, OptionSet<RenderAsTextFlag>);
void writeSVGResourceContainer(WTF::TextStream&, const RenderSVGResourceContainer&, OptionSet<RenderAsTextFlag>);
void writeSVGContainer(WTF::TextStream&, const RenderSVGContainer&, OptionSet<RenderAsTextFlag>);
Modified: trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp (286842 => 286843)
--- trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeBuilder.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -50,6 +50,7 @@
#include "RenderRubyRun.h"
#include "RenderSVGContainer.h"
#include "RenderSVGInline.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGText.h"
#include "RenderTable.h"
#include "RenderTableCell.h"
@@ -290,6 +291,13 @@
return;
}
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ if (is<RenderSVGRoot>(parent)) {
+ svgBuilder().attach(downcast<RenderSVGRoot>(parent), WTFMove(child), beforeChild);
+ return;
+ }
+#endif
+
if (is<LegacyRenderSVGRoot>(parent)) {
svgBuilder().attach(downcast<LegacyRenderSVGRoot>(parent), WTFMove(child), beforeChild);
return;
@@ -374,6 +382,11 @@
if (is<RenderSVGContainer>(parent))
return svgBuilder().detach(downcast<RenderSVGContainer>(parent), child);
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ if (is<RenderSVGRoot>(parent))
+ return svgBuilder().detach(downcast<RenderSVGRoot>(parent), child);
+#endif
+
if (is<LegacyRenderSVGRoot>(parent))
return svgBuilder().detach(downcast<LegacyRenderSVGRoot>(parent), child);
Modified: trunk/Source/WebCore/rendering/updating/RenderTreeBuilderSVG.cpp (286842 => 286843)
--- trunk/Source/WebCore/rendering/updating/RenderTreeBuilderSVG.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeBuilderSVG.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -29,6 +29,7 @@
#include "LegacyRenderSVGRoot.h"
#include "RenderSVGContainer.h"
#include "RenderSVGInline.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGText.h"
#include "RenderTreeBuilderBlock.h"
#include "RenderTreeBuilderBlockFlow.h"
@@ -42,6 +43,13 @@
{
}
+void RenderTreeBuilder::SVG::attach(LegacyRenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
+{
+ auto& childToAdd = *child;
+ m_builder.attachToRenderElement(parent, WTFMove(child), beforeChild);
+ SVGResourcesCache::clientWasAddedToTree(childToAdd);
+}
+
void RenderTreeBuilder::SVG::attach(RenderSVGContainer& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
{
auto& childToAdd = *child;
@@ -59,12 +67,14 @@
textAncestor->subtreeChildWasAdded(&childToAdd);
}
-void RenderTreeBuilder::SVG::attach(LegacyRenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+void RenderTreeBuilder::SVG::attach(RenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
{
auto& childToAdd = *child;
m_builder.attachToRenderElement(parent, WTFMove(child), beforeChild);
SVGResourcesCache::clientWasAddedToTree(childToAdd);
}
+#endif
void RenderTreeBuilder::SVG::attach(RenderSVGText& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
{
@@ -75,6 +85,12 @@
parent.subtreeChildWasAdded(&childToAdd);
}
+RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(LegacyRenderSVGRoot& parent, RenderObject& child)
+{
+ SVGResourcesCache::clientWillBeRemovedFromTree(child);
+ return m_builder.detachFromRenderElement(parent, child);
+}
+
RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(RenderSVGText& parent, RenderObject& child)
{
SVGResourcesCache::clientWillBeRemovedFromTree(child);
@@ -107,10 +123,12 @@
return m_builder.detachFromRenderElement(parent, child);
}
-RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(LegacyRenderSVGRoot& parent, RenderObject& child)
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(RenderSVGRoot& parent, RenderObject& child)
{
SVGResourcesCache::clientWillBeRemovedFromTree(child);
return m_builder.detachFromRenderElement(parent, child);
}
+#endif
}
Modified: trunk/Source/WebCore/rendering/updating/RenderTreeBuilderSVG.h (286842 => 286843)
--- trunk/Source/WebCore/rendering/updating/RenderTreeBuilderSVG.h 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/rendering/updating/RenderTreeBuilderSVG.h 2021-12-10 12:19:40 UTC (rev 286843)
@@ -29,9 +29,10 @@
namespace WebCore {
+class LegacyRenderSVGRoot;
class RenderSVGContainer;
class RenderSVGInline;
-class LegacyRenderSVGRoot;
+class RenderSVGRoot;
class RenderSVGText;
class RenderTreeBuilder::SVG {
@@ -39,15 +40,21 @@
public:
SVG(RenderTreeBuilder&);
+ void attach(LegacyRenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
void attach(RenderSVGContainer& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
void attach(RenderSVGInline& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
- void attach(LegacyRenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ void attach(RenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
+#endif
void attach(RenderSVGText& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
+ RenderPtr<RenderObject> detach(LegacyRenderSVGRoot& parent, RenderObject& child) WARN_UNUSED_RETURN;
+ RenderPtr<RenderObject> detach(RenderSVGContainer& parent, RenderObject& child) WARN_UNUSED_RETURN;
+ RenderPtr<RenderObject> detach(RenderSVGInline& parent, RenderObject& child) WARN_UNUSED_RETURN;
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ RenderPtr<RenderObject> detach(RenderSVGRoot& parent, RenderObject& child) WARN_UNUSED_RETURN;
+#endif
RenderPtr<RenderObject> detach(RenderSVGText& parent, RenderObject& child) WARN_UNUSED_RETURN;
- RenderPtr<RenderObject> detach(RenderSVGInline& parent, RenderObject& child) WARN_UNUSED_RETURN;
- RenderPtr<RenderObject> detach(RenderSVGContainer& parent, RenderObject& child) WARN_UNUSED_RETURN;
- RenderPtr<RenderObject> detach(LegacyRenderSVGRoot& parent, RenderObject& child) WARN_UNUSED_RETURN;
private:
RenderTreeBuilder& m_builder;
Modified: trunk/Source/WebCore/svg/SVGElement.cpp (286842 => 286843)
--- trunk/Source/WebCore/svg/SVGElement.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/svg/SVGElement.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -530,6 +530,14 @@
return false;
auto& svgChild = downcast<SVGElement>(child);
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ // If the layer based SVG engine is enabled, all renderers that do not support the
+ // RenderLayer aware layout / painting / hit-testing mode ('LBSE-mode') have to be skipped.
+ // Currently all renderers are skipped.
+ if (document().settings().layerBasedSVGEngineEnabled())
+ return false;
+#endif
+
static const QualifiedName* const invalidTextContent[] {
&SVGNames::altGlyphTag.get(),
&SVGNames::textPathTag.get(),
Modified: trunk/Source/WebCore/svg/SVGSVGElement.cpp (286842 => 286843)
--- trunk/Source/WebCore/svg/SVGSVGElement.cpp 2021-12-10 11:24:56 UTC (rev 286842)
+++ trunk/Source/WebCore/svg/SVGSVGElement.cpp 2021-12-10 12:19:40 UTC (rev 286843)
@@ -32,6 +32,7 @@
#include "FrameSelection.h"
#include "LegacyRenderSVGRoot.h"
#include "RenderSVGResource.h"
+#include "RenderSVGRoot.h"
#include "RenderSVGViewportContainer.h"
#include "RenderView.h"
#include "SMILTimeContainer.h"
@@ -211,6 +212,10 @@
invalidateSVGPresentationalHintStyle();
if (auto renderer = this->renderer()) {
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ if (is<RenderSVGRoot>(renderer) && downcast<RenderSVGRoot>(*renderer).isEmbeddedThroughFrameContainingSVGDocument())
+ RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
+#endif
if (is<LegacyRenderSVGRoot>(renderer) && downcast<LegacyRenderSVGRoot>(*renderer).isEmbeddedThroughFrameContainingSVGDocument())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
}
@@ -475,10 +480,16 @@
if (!viewBox.isEmpty())
return viewBox;
- if (!is<LegacyRenderSVGRoot>(renderer()))
+ bool isEmbeddedThroughSVGImage = false;
+ if (is<LegacyRenderSVGRoot>(renderer()) && downcast<LegacyRenderSVGRoot>(*renderer()).isEmbeddedThroughSVGImage())
+ isEmbeddedThroughSVGImage = true;
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ else if (is<RenderSVGRoot>(renderer()) && downcast<RenderSVGRoot>(*renderer()).isEmbeddedThroughSVGImage())
+ isEmbeddedThroughSVGImage = true;
+#endif
+
+ if (!isEmbeddedThroughSVGImage)
return { };
- if (!downcast<LegacyRenderSVGRoot>(*renderer()).isEmbeddedThroughSVGImage())
- return { };
Length intrinsicWidth = this->intrinsicWidth();
Length intrinsicHeight = this->intrinsicHeight();
@@ -486,7 +497,7 @@
return { };
// If no viewBox is specified but non-relative width/height values, then we
- // should always synthesize a viewBox if we're embedded through a SVGImage.
+ // should always synthesize a viewBox if we're embedded through a SVGImage.
return { 0, 0, floatValueForLength(intrinsicWidth, 0), floatValueForLength(intrinsicHeight, 0) };
}
@@ -498,6 +509,11 @@
if (is<LegacyRenderSVGRoot>(*renderer())) {
auto& root = downcast<LegacyRenderSVGRoot>(*renderer());
viewportSize = root.contentBoxRect().size() / root.style().effectiveZoom();
+#if ENABLE(LAYER_BASED_SVG_ENGINE)
+ } else if (is<RenderSVGRoot>(*renderer())) {
+ auto& root = downcast<RenderSVGRoot>(*renderer());
+ viewportSize = root.contentBoxRect().size() / root.style().effectiveZoom();
+#endif
} else
viewportSize = downcast<RenderSVGViewportContainer>(*renderer()).viewport().size();
}
