Calculate Background Image Geometries using sub-pixel values

third_party/WebKit/Source/platform/graphics/GeneratedImage.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 28 matching lines @@
 namespace blink {
 
 void GeneratedImage::computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
 {
     Image::computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
     intrinsicRatio = FloatSize();
 }
 
 void GeneratedImage::drawPattern(GraphicsContext* destContext, const FloatRect& srcRect, const FloatSize& scale,
     const FloatPoint& phase, SkXfermode::Mode compositeOp, const FloatRect& destRect,
-    const IntSize& repeatSpacing)
+    const FloatSize& repeatSpacing)
 {
     FloatRect tileRect = srcRect;
     tileRect.expand(FloatSize(repeatSpacing));
 
     SkPictureBuilder builder(tileRect, nullptr, destContext);
     builder.context().beginRecording(tileRect);
     drawTile(&builder.context(), srcRect);
     RefPtr<const SkPicture> tilePicture = builder.endRecording();
 
     AffineTransform patternTransform;
@@ skipping 11 matching lines @@
 
     destContext->drawRect(destRect, fillPaint);
 }
 
 PassRefPtr<SkImage> GeneratedImage::imageForCurrentFrame()
 {
     return nullptr;
 }
 
 } // namespace blink