Full invalidate <img> on resize

Source/core/rendering/RenderImage.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved.
  *
@@ skipping 533 matching lines @@
         return;
 
     if (isHTMLInputElement(*node()))
         m_altText = toHTMLInputElement(node())->altText();
     else if (isHTMLImageElement(*node()))
         m_altText = toHTMLImageElement(node())->altText();
 }
 
 void RenderImage::layout()
 {
+    LayoutRect oldContentRect = replacedContentRect();
     RenderReplaced::layout();
-    updateInnerContentRect();
+    if (replacedContentRect() != oldContentRect) {
+        setShouldDoFullPaintInvalidation(true);
+        updateInnerContentRect();
+    }
 }
 
 bool RenderImage::updateImageLoadingPriorities()
 {
     if (!m_imageResource || !m_imageResource->cachedImage() || m_imageResource->cachedImage()->isLoaded())
         return false;
 
     LayoutRect viewBounds = viewRect();
     LayoutRect objectBounds = absoluteContentBox();
 
@@ skipping 52 matching lines @@
     if (!m_imageResource)
         return 0;
 
     ImageResource* cachedImage = m_imageResource->cachedImage();
     if (cachedImage && cachedImage->image() && cachedImage->image()->isSVGImage())
         return toSVGImage(cachedImage->image())->embeddedContentBox();
 
     return 0;
 }
 
+

[leviw_travelin_and_unemployed, 2014/08/11 22:09:26]

Nit: remove

[Xianzhu, 2014/08/11 22:25:16]

Done.

 } // namespace blink