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Message #39347
Re: [patch] GAL pixel alignment
Le 11/02/2019 à 01:48, Wayne Stambaugh a écrit :
> Tom,
>
> It looks really good. I'm tempted to merge this but it's a fairly large
> change. I think we should merge it after 5.1 is released and
> cherry-pick it for 5.1.1 unless we can get a lot of testing in the next
> week or two to ensure that it's stable across all platforms.
>
> Cheers,
>
> Wayne
Hi Wayne,
What about merging it in a 5.1-RC2 version.
The risk is low (of course not 0) and the benefit is high.
This is the only one way to have a lot of testing.
>
> On 2/10/19 5:26 PM, Tomasz Wlostowski wrote:
>> Hi,
>>
>> The 3 attached patches add pixel alignment while drawing strokes in GAL
>> (both Cairo and OpenGL), resulting in sharp and uniform width lines
>> regardless of the zoom level and antialiasing settings. Current GAL
>> canvas does not round geometry to integer pixel coordinates, resulting
>> in sometimes blurred or jagged lines. I encourage you to test them,
>> especially at the OpenGL version (as it relies on the Vertex Shader for
>> the rounding/alignment).
>>
>> @Wayne do you think these can make to 5.1 (I guess it's too late) or
>> should we postpone them to V6?
>>
>> Cheers,
>> Tom
>>
>>
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--
Jean-Pierre CHARRAS
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