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Re: Test updates for SVG

From: Erik Dahlstrom <ed@opera.com>
Date: Mon, 07 Jun 2010 18:26:21 +0200
To: "Alex Danilo" <alex@abbra.com>, "Patrick Dengler" <patd@microsoft.com>
Cc: "www-svg@w3.org" <www-svg@w3.org>
Message-ID: <op.vdxul71qgeuyw5@erik-dahlstroms-macbook-pro-2.local>
On Thu, 03 Jun 2010 04:09:16 +0200, Alex Danilo <alex@abbra.com> wrote:

> Hi Patrick,
>
> --Original Message--:
>> In general, as I go through these tests, it seems that well over 50% of  
>> the items that have not yet been accepted are broken or simply not  
>> there.  This should be of huge concern for delivering a quality spec.   
>> I've listed the issues I ran into while working on the additional set I  
>> said I would get on my flights back.
>>
>>
>> Issues
>> #-1 ) This is a key issue.  Why is it that struct-use-01-t.html shows  
>> non-italic text in the comparison image, and yet italic text in every  
>> browser except Opera, when it plainly says italic?

...

> The 1.2 Tiny test references the external SVG font which has no italic  
> face
> so the viewers fall back to the normal glyphs in the SVG font.

Yes, I've made sure that the testcase now references an SVG font that does  
have a bold italic face defined. Note that there's no requirement AFAIK  
forcing implementations to do fake bold / fake italic. I've also updated  
the reference image.

> We need to
> check CSS for the font selection here (I can't remember off the top of
> my head what the rules are). A viewer could easily synthesize an oblique
> version of the SVG font if needed for the 1.2 Tiny case.

It could. But it's not a requirement to synthesize such font faces AFAIK.

...
>> My understanding was that these images were being snapped from a vender  
>> neutral process.  Did I get that wrong?
>
> As far as I know they are - most likely Batik which is an Apache project.

Yes, I can confirm that it was generated by Batik (the version we use is  
checked into the cvs under SVG/tools[1])

>> If not, I would like to have all of the .png's for tests that IE passes  
>> from IE.  Is that cool? I am sure I can get these quickly.

Traditionally we have only used binary image-patches when absolutely  
necessary, the preferred format is a static SVG image-patch that makes  
Batik produce the appropriate rendering, see [2] and [3].

Cheers
/Erik

[1] http://dev.w3.org/cvsweb/SVG/tools/batik/
[2] http://dev.w3.org/SVG/profiles/1.1F2/test/imagePatches/
[3]  
http://dev.w3.org/cvsweb/SVG/profiles/1.1F2/test/script/generate_reference_images.pl

-- 
Erik Dahlstrom, Core Technology Developer, Opera Software
Co-Chair, W3C SVG Working Group
Personal blog: http://my.opera.com/macdev_ed
Received on Monday, 7 June 2010 16:27:06 GMT

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