Support subpixel values for text-shadow and box-shadow

Source/core/rendering/style/RenderStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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.
  *
@@ skipping 1215 matching lines @@
 void RenderStyle::getShadowExtent(const ShadowData* shadow, LayoutUnit &top, LayoutUnit &right, LayoutUnit &bottom, LayoutUnit &left) const
 {
     top = 0;
     right = 0;
     bottom = 0;
     left = 0;
 
     for ( ; shadow; shadow = shadow->next()) {
         if (shadow->style() == Inset)
             continue;
-        int blurAndSpread = shadow->blur() + shadow->spread();
+        LayoutUnit blurAndSpread = shadow->blur() + shadow->spread();
 
         top = min<LayoutUnit>(top, shadow->y() - blurAndSpread);
         right = max<LayoutUnit>(right, shadow->x() + blurAndSpread);
         bottom = max<LayoutUnit>(bottom, shadow->y() + blurAndSpread);
         left = min<LayoutUnit>(left, shadow->x() - blurAndSpread);
     }
 }
 
 LayoutBoxExtent RenderStyle::getShadowInsetExtent(const ShadowData* shadow) const
 {
     LayoutUnit top = 0;
     LayoutUnit right = 0;
     LayoutUnit bottom = 0;
     LayoutUnit left = 0;
 
     for ( ; shadow; shadow = shadow->next()) {
         if (shadow->style() == Normal)
             continue;
-        int blurAndSpread = shadow->blur() + shadow->spread();
+        LayoutUnit blurAndSpread = shadow->blur() + shadow->spread();
         top = max<LayoutUnit>(top, shadow->y() + blurAndSpread);
         right = min<LayoutUnit>(right, shadow->x() - blurAndSpread);
         bottom = min<LayoutUnit>(bottom, shadow->y() - blurAndSpread);
         left = max<LayoutUnit>(left, shadow->x() + blurAndSpread);
     }
 
     return LayoutBoxExtent(top, right, bottom, left);
 }
 
 void RenderStyle::getShadowHorizontalExtent(const ShadowData* shadow, LayoutUnit &left, LayoutUnit &right) const
 {
     left = 0;
     right = 0;
 
     for ( ; shadow; shadow = shadow->next()) {
         if (shadow->style() == Inset)
             continue;
-        int blurAndSpread = shadow->blur() + shadow->spread();
+        LayoutUnit blurAndSpread = shadow->blur() + shadow->spread();
 
         left = min<LayoutUnit>(left, shadow->x() - blurAndSpread);
         right = max<LayoutUnit>(right, shadow->x() + blurAndSpread);
     }
 }
 
 void RenderStyle::getShadowVerticalExtent(const ShadowData* shadow, LayoutUnit &top, LayoutUnit &bottom) const
 {
     top = 0;
     bottom = 0;
 
     for ( ; shadow; shadow = shadow->next()) {
         if (shadow->style() == Inset)
             continue;
-        int blurAndSpread = shadow->blur() + shadow->spread();
+        LayoutUnit blurAndSpread = shadow->blur() + shadow->spread();
 
         top = min<LayoutUnit>(top, shadow->y() - blurAndSpread);
         bottom = max<LayoutUnit>(bottom, shadow->y() + blurAndSpread);
     }
 }
 
 StyleColor RenderStyle::colorIncludingFallback(int colorProperty, bool visitedLink) const
 {
     StyleColor result;
     EBorderStyle borderStyle = BNONE;
@@ skipping 266 matching lines @@
     surround.access()->border.m_image.setOutset(outset);
 }
 
 ShapeValue* RenderStyle::initialShapeInside()
 {
     DEFINE_STATIC_LOCAL(RefPtr<ShapeValue>, sOutsideValue, (ShapeValue::createOutsideValue()));
     return sOutsideValue.get();
 }
 
 } // namespace WebCore