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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>220970</bug_id>
          
          <creation_ts>2021-01-26 03:43:12 -0800</creation_ts>
          <short_desc>Handle zero aspect-ratio width/height</short_desc>
          <delta_ts>2021-01-27 06:54:04 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>CSS</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          <blocked>47738</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Rob Buis">rbuis</reporter>
          <assigned_to name="Rob Buis">rbuis</assigned_to>
          <cc>changseok</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>glenn</cc>
    
    <cc>gyuyoung.kim</cc>
    
    <cc>kondapallykalyan</cc>
    
    <cc>macpherson</cc>
    
    <cc>menard</cc>
    
    <cc>pdr</cc>
    
    <cc>rego</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1722444</commentid>
    <comment_count>0</comment_count>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-26 03:43:12 -0800</bug_when>
    <thetext>Handle zero aspect-ratio width/height</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722445</commentid>
    <comment_count>1</comment_count>
      <attachid>418389</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-26 03:48:10 -0800</bug_when>
    <thetext>Created attachment 418389
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722495</commentid>
    <comment_count>2</comment_count>
      <attachid>418413</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-26 06:55:44 -0800</bug_when>
    <thetext>Created attachment 418413
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722664</commentid>
    <comment_count>3</comment_count>
      <attachid>418464</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-26 12:38:45 -0800</bug_when>
    <thetext>Created attachment 418464
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722689</commentid>
    <comment_count>4</comment_count>
      <attachid>418464</attachid>
    <who name="Manuel Rego Casasnovas">rego</who>
    <bug_when>2021-01-26 13:17:45 -0800</bug_when>
    <thetext>Comment on attachment 418464
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=418464&amp;action=review

&gt; Source/WebCore/ChangeLog:9
&gt; +        as auto, but when serializing keep the original input.

Are there any tests for the serialization?

&gt; Source/WebCore/css/CSSComputedStyleDeclaration.cpp:3475
&gt; +                if (style.aspectRatioWidth() &gt; 0 &amp;&amp; style.aspectRatioHeight() &gt; 0)
&gt; +                    return cssValuePool.createIdentifierValue(CSSValueAuto);

I&apos;m not sure I get this, why if width or height is bigger than zero we return auto?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722699</commentid>
    <comment_count>5</comment_count>
      <attachid>418464</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-26 13:24:44 -0800</bug_when>
    <thetext>Comment on attachment 418464
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=418464&amp;action=review

&gt;&gt; Source/WebCore/ChangeLog:9
&gt;&gt; +        as auto, but when serializing keep the original input.
&gt; 
&gt; Are there any tests for the serialization?

Yes, it is tested by css/css-sizing/aspect-ratio/parsing/contain-intrinsic-size-computed.html.

&gt;&gt; Source/WebCore/css/CSSComputedStyleDeclaration.cpp:3475
&gt;&gt; +                    return cssValuePool.createIdentifierValue(CSSValueAuto);
&gt; 
&gt; I&apos;m not sure I get this, why if width or height is bigger than zero we return auto?

Yes upon reflection  this logic is not very clear and it think it may break. I will add a new enum value tomorrow, this should make the code clearer and not error prone.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722892</commentid>
    <comment_count>6</comment_count>
      <attachid>418520</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-27 03:08:38 -0800</bug_when>
    <thetext>Created attachment 418520
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722898</commentid>
    <comment_count>7</comment_count>
      <attachid>418524</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-27 03:41:10 -0800</bug_when>
    <thetext>Created attachment 418524
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722905</commentid>
    <comment_count>8</comment_count>
      <attachid>418524</attachid>
    <who name="Manuel Rego Casasnovas">rego</who>
    <bug_when>2021-01-27 04:07:19 -0800</bug_when>
    <thetext>Comment on attachment 418524
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=418524&amp;action=review

r=me, let&apos;s wait for EWSs output, but the change looks better now. Thanks.

&gt; Source/WebCore/style/StyleBuilderCustom.h:1189
&gt;      builderState.style().setAspectRatio(downcast&lt;CSSPrimitiveValue&gt;(list.item(0))-&gt;doubleValue(), downcast&lt;CSSPrimitiveValue&gt;(list.item(1))-&gt;doubleValue());

Nit: Please use here width and height.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722914</commentid>
    <comment_count>9</comment_count>
      <attachid>418531</attachid>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2021-01-27 05:03:21 -0800</bug_when>
    <thetext>Created attachment 418531
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722931</commentid>
    <comment_count>10</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-01-27 06:14:03 -0800</bug_when>
    <thetext>Committed r271948: &lt;https://trac.webkit.org/changeset/271948&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 418531.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1722932</commentid>
    <comment_count>11</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-01-27 06:15:14 -0800</bug_when>
    <thetext>&lt;rdar://problem/73659916&gt;</thetext>
  </long_desc>
      
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            <date>2021-01-26 12:38:45 -0800</date>
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            <type>text/plain</type>
            <size>6465</size>
            <attacher name="Rob Buis">rbuis</attacher>
            
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            <date>2021-01-27 03:08:38 -0800</date>
            <delta_ts>2021-01-27 03:41:03 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-220970-20210127120836.patch</filename>
            <type>text/plain</type>
            <size>6885</size>
            <attacher name="Rob Buis">rbuis</attacher>
            
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          </attachment>
          <attachment
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              ispatch="1"
              isprivate="0"
          >
            <attachid>418524</attachid>
            <date>2021-01-27 03:41:10 -0800</date>
            <delta_ts>2021-01-27 05:03:14 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-220970-20210127124108.patch</filename>
            <type>text/plain</type>
            <size>7619</size>
            <attacher name="Rob Buis">rbuis</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>418531</attachid>
            <date>2021-01-27 05:03:21 -0800</date>
            <delta_ts>2021-01-27 06:14:04 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-220970-20210127140319.patch</filename>
            <type>text/plain</type>
            <size>7722</size>
            <attacher name="Rob Buis">rbuis</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>