Re: Performance and rendering quality degradation between Batik Squiggle 1.9 and 1.11

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Maybe it the high-DPI support added to Java in one of the newer releases,
and some kind of legacy fallback for apps that don't opt into something?

On Sat, Aug 17, 2019 at 4:02 PM John-Val Rose <[email protected]>
wrote:

> OK, after a bit more digging, I stand corrected.
>
>
>
> There doesn=E2=80=99t appear to be any of the aforementioned degradations=
 in Batik
> itself; the issue is with which version of Java you run Squiggle with.
>
>
>
> I have found that all Java versions after JDK 8 show this slower scaling
> and poorer rendering quality.  Even just the splash screen is very
> noticeably more pixelated and SVGs themselves are more grainy.
>
>
>
> I=E2=80=99ve attached some screenshots of both the splash screen and the =
tiger SVG
> using Java 8 versus Java 10.
>
>
>
> Does anyone know why this is the way it is?
>
>
>
> Graciously,
>
>
>
> John-Val
>
>
>
> *From: *Helder Magalh=C3=A3es <[email protected]>
> *Sent: *Saturday, 17 August 2019 21:36
> *To: *[email protected]
> *Subject: *Re: Performance and rendering quality degradation between
> Batik Squiggle 1.9 and 1.11
>
>
>
> Hi John,
>
>
>
> Could you elaborate a bit on the comparison?
>
> 1. Is it between the same Operating System? And same OS version? Please
> state which one/ones are they.
>
> 2. Is it between the same JRE/JDK (Oracle/OpenJDK/etc.)? And same
> versions? Please state which one/ones are they.
>
>
>
> Also, given it's a quality difference, one or two pairs of screenshots
> between same content in the two environments would quite improve the
> explanation.
>
>
> Regards,
> Helder Magalh=C3=A3es
>
>
>
> A S=C3=A1b, 17/08/2019, 06:54, John-Val Rose <[email protected]>
> escreveu:
>
> Does anyone know why there appears to be a noticeable degradation in both
> rendering/scaling performance and also in rendering quality of SVGs in
> Squiggle between Batik 1.9 and 1.11?
>
>
>
> What are the major changes that may have resulted in this degradation?
>
>
>
> Graciously,
>
>
>
> John-Val
>
>
>
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> For additional commands, e-mail: [email protected]

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<div dir=3D"ltr">Maybe it the high-DPI support added to Java in one of the =
newer releases, and some kind of legacy fallback for apps that don&#39;t op=
t into something?</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" clas=
s=3D"gmail_attr">On Sat, Aug 17, 2019 at 4:02 PM John-Val Rose &lt;john@ros=
ethorn.technology&gt; wrote:<br></div><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex">





<div lang=3D"EN-AU">
<div class=3D"gmail-m_-7294796290040195857WordSection1">
<p class=3D"MsoNormal">OK, after a bit more digging, I stand corrected.</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">There doesn=E2=80=99t appear to be any of the aforem=
entioned degradations in Batik itself; the issue is with which version of J=
ava you run Squiggle with.</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">I have found that all Java versions after JDK 8 show=
 this slower scaling and poorer rendering quality.=C2=A0 Even just the spla=
sh screen is very noticeably more pixelated and SVGs themselves are more gr=
ainy.</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">I=E2=80=99ve attached some screenshots of both the s=
plash screen and the tiger SVG using Java 8 versus Java 10.</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Does anyone know why this is the way it is?</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Graciously,</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">John-Val</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class=3D"MsoNormal" style=3D"border:none;padding:0cm"><b>From: </b><a hr=
ef=3D"mailto:[email protected]" target=3D"_blank">Helder Magalh=C3=
=A3es</a><br>
<b>Sent: </b>Saturday, 17 August 2019 21:36<br>
<b>To: </b><a href=3D"mailto:[email protected]" target=3D"=
_blank">[email protected]</a><br>
<b>Subject: </b>Re: Performance and rendering quality degradation between B=
atik Squiggle 1.9 and 1.11</p>
</div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Hi John, <u></u><u></u></p>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">Could you elaborate a bit on the comparison?<u></u><=
u></u></p>
</div>
<div>
<p class=3D"MsoNormal">1. Is it between the same Operating System? And same=
 OS version? Please state which one/ones are they.<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">2. Is it between the same JRE/JDK (Oracle/OpenJDK/et=
c.)? And same versions?=C2=A0<span style=3D"font-family:Arial,sans-serif">P=
lease state which one/ones are they.</span><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">Also, given it&#39;s a quality difference, one or tw=
o pairs of screenshots between same content in the two environments would q=
uite improve the explanation.<u></u><u></u></p>
<div>
<p class=3D"MsoNormal"><br>
Regards,<br>
Helder Magalh=C3=A3es<u></u><u></u></p>
</div>
</div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div>
<div>
<p class=3D"MsoNormal">A S=C3=A1b, 17/08/2019, 06:54, John-Val Rose &lt;joh=
[email protected]&gt; escreveu:<u></u><u></u></p>
</div>
<blockquote style=3D"border-top:none;border-right:none;border-bottom:none;b=
order-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-left:4=
.8pt;margin-right:0cm">
<div>
<div>
<p class=3D"MsoNormal">Does anyone know why there appears to be a noticeabl=
e degradation in both rendering/scaling performance and also in rendering q=
uality of SVGs in Squiggle between Batik 1.9 and 1.11?</p>
<p class=3D"MsoNormal">=C2=A0</p>
<p class=3D"MsoNormal">What are the major changes that may have resulted in=
 this degradation?</p>
<p class=3D"MsoNormal">=C2=A0</p>
<p class=3D"MsoNormal">Graciously,</p>
<p class=3D"MsoNormal">=C2=A0</p>
</div>
</div>
</blockquote>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:4.8pt">
John-Val</p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
</div>

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