Calculate Background Image Geometries using sub-pixel values

third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 215 matching lines @@
     drawForContainer(canvas, SkPaint(), FloatSize(size()), 1, rect(), rect(), KURL());
     RefPtr<SkPicture> picture = adoptRef(recorder.endRecording());
 
     return adoptRef(
         SkImage::NewFromPicture(picture.get(), SkISize::Make(width(), height()), nullptr, nullptr));
 }
 
 void SVGImage::drawPatternForContainer(GraphicsContext* context, const FloatSize containerSize,
     float zoom, const FloatRect& srcRect, const FloatSize& tileScale, const FloatPoint& phase,
     SkXfermode::Mode compositeOp, const FloatRect& dstRect,
-    const IntSize& repeatSpacing, const KURL& url)
+    const FloatSize& repeatSpacing, const KURL& url)
 {
     // Tile adjusted for scaling/stretch.
     FloatRect tile(srcRect);
     tile.scale(tileScale.width(), tileScale.height());
 
     // Expand the tile to account for repeat spacing.
     FloatRect spacedTile(tile);
     spacedTile.expand(FloatSize(repeatSpacing));
 
     SkPictureBuilder patternPicture(spacedTile, nullptr, context);
@@ skipping 260 matching lines @@
 
     return m_page;
 }
 
 String SVGImage::filenameExtension() const
 {
     return "svg";
 }
 
 }