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Subject: Re: pdfbox warnings
From: John Hewson <john@jahewson.com>
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Date: Wed, 8 Apr 2015 13:56:22 -0700
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To: users@pdfbox.apache.org


> On 8 Apr 2015, at 13:17, Eric Douglas <edouglas@blockhouse.com> wrote:
>=20
> On Wed, Apr 8, 2015 at 3:59 PM, John Hewson <john@jahewson.com> wrote:
>=20
>>> On 8 Apr 2015, at 10:59, Eric Douglas <edouglas@blockhouse.com> =
wrote:
>>>=20
>>> Where are you getting the Arial Unicode MS?  It doesn't come with
>> Windows,
>>> that is, it's not installed on my Windows 8.1 Pro.
>>> Previously when I referenced a unicode font I used Lucida Sans =
Unicode.
>>> My Windows Arial includes Arial Black, Arial Bold, Arial Bold =
Italic,
>> Arial
>>> Italic, and Arial Regular.
>>>=20
>> As you=E2=80=99ve spotted, Arial Unicode MS doesn=E2=80=99t ship with =
Windows, but with
>> Office, which
>> kind of ruins my whole idea. We=E2=80=99ll need to take a closer look =
at the fonts
>> which really
>> are shipped with Windows. I=E2=80=99m on a Mac, so it=E2=80=99s a =
little tricky for me.
>>=20
>> See: https://www.microsoft.com/typography/fonts/font.aspx?FMID=3D1081
>>=20
>>=20
>>> Windows likes to change their fonts, which is annoying when you have
>>> programs that run on different operating systems and you want =
consistent
>>> output.
>>> We used to reference fonts by name but even when it found the same =
font
>>> sometimes there were different versions.  We once had 2 machines =
running
>>> the same OS, Windows 98 SE, which produced different output from the =
same
>>> Courier font file name.
>>> I started writing Java with Windows XP Pro and copied the Lucida =
font
>> files
>>> from the Windows Fonts folder to embed in my jar to make sure my =
program
>>> output wouldn't look different when we changed OS.
>>> It is best if there's a free, redistributable font file you can =
embed in
>> a
>>> jar. (as long as they can't guarantee we can find the same font =
installed
>>> on every OS)
>>=20
>> The problem here is that platform-specific behaviour is actually
>> desirable: a PDF
>> opened in Acrobat on Windows will render Arial instead of Helvetica, =
if
>> PDFBox
>> were to bundle its own Helvetica font, we=E2=80=99d be using the =
wrong font for
>> the platform,
>> despite it being a perfectly acceptable font. We=E2=80=99ve had users =
complain
>> that PDFBox
>> makes different substitutions from Evince and so the same PDF render =
with
>> different
>> fonts on the same system when opened in different viewers - we=E2=80=99=
ve tried to
>> fix these
>> kinds of issues, but the result is that fonts substitution really =
should
>> be platform-specific.
>>=20
>> Having said that, you can always bundle your own fonts and use a =
custom
>> FontProvider
>> and PDFBox will give you consistent cross-platfrom rendering, if =
that=E2=80=99s
>> what your
>> project=E2=80=99s requirements call for, but out-of-the-box we have =
to provide
>> platform-specific
>> behaviour.
>>=20
>> =E2=80=94 John
>>=20
>>=20
> I don't know about regular text substitutions, as you describe using =
an
> installed Arial in place of Helvetica.  I was specifically looking for =
a
> custom replacement font to be included for symbols.  If I create a PDF =
with
> iText with an editable check box object, it puts in a reference to
> Zapfdingbats without giving me an option to embed the font.  As =
Windows
> doesn't have this font installed by default, when I tried to read that =
PDF
> back in and render it to the screen with pdfbox, it didn't draw the =
check
> marks.  If you view that same PDF in Adobe Reader on Windows without
> Zapfdingbats installed, it says it's using it's actual font Adobe Pi =
Std.
> Assuming you can't package the Adobe font with pdfbox for that
> substitution, the free redistributable Noto Sans Symbols font looks =
like a
> fine replacement.
>=20
> Font replacement can also be an option, if a program wants to tell =
pdfbox
> to use font x in place of font y.

Yes, in fact, we substitute all fonts except for the =E2=80=9Cfallback=E2=80=
=9D font. My point is that
It=E2=80=99s better to substitute with platform fonts rather than =
bundling an otherwise
alien font with PDFBox.

It now looks like MS Gothic is a suitable substitute, as it=E2=80=99s =
shipped with Windows
itself, rather than with Office.

=E2=80=94 John


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