Improvement handling of background and outline paint phases

third_party/WebKit/Source/core/paint/SVGRootPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/SVGRootPainter.h"
 
 #include "core/layout/svg/LayoutSVGRoot.h"
 #include "core/layout/svg/SVGResources.h"
 #include "core/layout/svg/SVGResourcesCache.h"
 #include "core/paint/BoxPainter.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/SVGPaintContext.h"
 #include "core/paint/TransformRecorder.h"
 #include "core/svg/SVGSVGElement.h"
 #include "platform/graphics/paint/ClipRecorder.h"
 #include "wtf/Optional.h"
 
 namespace blink {
 
 void SVGRootPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     // An empty viewport disables rendering.
     if (m_layoutSVGRoot.pixelSnappedBorderBoxRect().isEmpty())
         return;
 
     // SVG outlines are painted during PaintPhaseForeground.
-    if (paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline)
+    if (shouldPaintSelfOutline(paintInfo.phase))
         return;
 
     // An empty viewBox also disables rendering.
     // (http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute)
     SVGSVGElement* svg = toSVGSVGElement(m_layoutSVGRoot.node());
     ASSERT(svg);
     if (svg->hasEmptyViewBox())
         return;
 
     // Don't paint if we don't have kids, except if we have filters we should paint those.
@@ skipping 20 matching lines @@
     TransformRecorder transformRecorder(paintInfoBeforeFiltering.context, m_layoutSVGRoot, paintOffsetToBorderBox);
 
     SVGPaintContext paintContext(m_layoutSVGRoot, paintInfoBeforeFiltering);
     if (paintContext.paintInfo().phase == PaintPhaseForeground && !paintContext.applyClipMaskAndFilterIfNecessary())
         return;
 
     BoxPainter(m_layoutSVGRoot).paint(paintContext.paintInfo(), LayoutPoint());
 }
 
 } // namespace blink