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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>127819</bug_id>
          
          <creation_ts>2014-01-28 17:39:04 -0800</creation_ts>
          <short_desc>[iOS] round the scrollview content size to natural numbers</short_desc>
          <delta_ts>2014-08-19 22:34:35 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>INVALID</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Benjamin Poulain">benjamin</reporter>
          <assigned_to name="Benjamin Poulain">benjamin</assigned_to>
          
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>973236</commentid>
    <comment_count>0</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-01-28 17:39:04 -0800</bug_when>
    <thetext>[iOS] round the scrollview content size to natural numbers</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>973237</commentid>
    <comment_count>1</comment_count>
      <attachid>222536</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-01-28 17:45:30 -0800</bug_when>
    <thetext>Created attachment 222536
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>973525</commentid>
    <comment_count>2</comment_count>
      <attachid>222536</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2014-01-29 16:32:54 -0800</bug_when>
    <thetext>Comment on attachment 222536
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=222536&amp;action=review

&gt; Source/WebKit2/UIProcess/API/ios/WKViewIOS.mm:110
&gt; -    CGSize contentsSizeInScrollViewCoordinates = CGSizeMake(newSize.width * zoomScale, newSize.height * zoomScale);
&gt; +    CGSize contentsSizeInScrollViewCoordinates = CGSizeMake(std::round(newSize.width * zoomScale), std::round(newSize.height * zoomScale));

Should we also adjust the scale so it still reflects the scaling after rounding?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>973530</commentid>
    <comment_count>3</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-01-29 16:55:01 -0800</bug_when>
    <thetext>(In reply to comment #2)
&gt; (From update of attachment 222536 [details])
&gt; View in context: https://bugs.webkit.org/attachment.cgi?id=222536&amp;action=review
&gt; 
&gt; &gt; Source/WebKit2/UIProcess/API/ios/WKViewIOS.mm:110
&gt; &gt; -    CGSize contentsSizeInScrollViewCoordinates = CGSizeMake(newSize.width * zoomScale, newSize.height * zoomScale);
&gt; &gt; +    CGSize contentsSizeInScrollViewCoordinates = CGSizeMake(std::round(newSize.width * zoomScale), std::round(newSize.height * zoomScale));
&gt; 
&gt; Should we also adjust the scale so it still reflects the scaling after rounding?

That sounds like a good idea.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>974072</commentid>
    <comment_count>4</comment_count>
      <attachid>222536</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-01-30 15:48:22 -0800</bug_when>
    <thetext>Comment on attachment 222536
Patch

Simon pointed out this is incomplete.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1030211</commentid>
    <comment_count>5</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-08-19 22:34:35 -0700</bug_when>
    <thetext>I fixed that somewhere else IIRC.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>222536</attachid>
            <date>2014-01-28 17:45:30 -0800</date>
            <delta_ts>2014-01-30 15:48:22 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-127819-20140128174529.patch</filename>
            <type>text/plain</type>
            <size>2041</size>
            <attacher name="Benjamin Poulain">benjamin</attacher>
            
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