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Subject: Re: PDFBox 2.0.0 Snapshot PDChoice and Increased Runtime Execution
 Time
From: John Hewson <john@jahewson.com>
In-Reply-To: <1437089540.90565.YahooMailBasic@web141204.mail.bf1.yahoo.com>
Date: Thu, 16 Jul 2015 16:46:05 -0700
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Message-Id: <D0DE62C3-85BF-42B2-B573-0075F0F6D3FA@jahewson.com>
References: <1437089540.90565.YahooMailBasic@web141204.mail.bf1.yahoo.com>
To: users@pdfbox.apache.org


> On 16 Jul 2015, at 16:32, jarrod <xhozst@yahoo.com.INVALID> wrote:
>=20
> Hello John,
>=20
> Adding  setNeedAppearances(true) did allow me to set PDChoice fields =
similar to version 1.8.9. I noticed that you did not have to add the =
value if it didn't exist first like you would have had to do in version =
1.8.9.
>=20
> Additionally, adding that line of code reduced the runtime for saving =
by a few seconds and also removed those warnings I was getting =
previously.
>=20
> On top of all that, it appears to have resolved the auto sizing issue =
that I was facing and working on with Maruan.
>=20
> So does this, "This tells consumers of the PDF that they will need to =
generate the appearances themselves, i.e. they are not pre-generated" =
mean that pdf reader's will then have to generate the appearance when it =
opens? I guess the danger there is that it can appear differently across =
different readers and versions.

Yes, unfortunately, that=E2=80=99s exactly what it means. We have plans =
to implement more appearances in the medium-term future. In general, PDF =
readers should support NeedAppearances, but your milage may vary.

=E2=80=94 John

> Now I'm just wondering if there is anyway to reduce the 8seconds to =
save.
>=20
> Thanks for all the support!
>=20
> Jarrod
>=20
>=20
> --------------------------------------------
> On Thu, 7/16/15, John Hewson <john@jahewson.com> wrote:
>=20
> Subject: Re: PDFBox 2.0.0 Snapshot PDChoice and Increased Runtime =
Execution Time
> To: users@pdfbox.apache.org
> Date: Thursday, July 16, 2015, 5:29 PM
>=20
>=20
>=20
>> On 16 Jul 2015, at 15:28, John Hewson
> <john@jahewson.com>
> wrote:
>>=20
>>>=20
>>> On 16 Jul 2015, at 11:53, jarrod
> <xhozst@yahoo.com.INVALID>
> wrote:
>>>=20
>>>=20
> Hello,
>>>=20
>>>=20
> I've converted a 1.8.9 project to the latest 2.0.0
> shapshot (as of 20150716). This project fill's in
> acroForm fields and then saves to a new file.
>>>=20
>>> 1.  I'm
> having difficulty in assigning the selected value to a
> PDChoice field. In 1.8.9, I was able to use
> .setValue(strValueGoesHere) as long as the item already
> existed. When it didn't exist, i would add it first. In
> version 2.0.0, using .setValue(strValueGoesHere) throws an
> exception "not implemented". Then I proceeded to
> try using .setSelectedOptionsIndex but that throws the
> following exception "Setting the indices is not allowed
> for choice fields not allowing multiple selections."
>>>=20
>>> How should I
> be setting this PDChoice field?
>>=20
>> We don=E2=80=99t support generating the
> appearance for a choice field yet, but you can generate
> forms without appearances (as 1.8.9 does) by first calling
> setNeedAppearances(false) on the PDAcroForm.
>=20
> Sorry, that should have been
> setNeedAppearances(true). This tells consumers of the PDF
> that they will need to generate the appearances themselves,
> i.e. they are not pre-generated.
>=20
> =E2=80=94 John
>>=20
>>>=20
>>> 2.=20
> Additionally, I've noticed the runtime execution time
> has dramatically increased when saving the document. The
> following lines of code only took 0 seconds previously and
> now takes 14 seconds;
>>>=20
>>> java.util.Date startTime2 =3D new
> java.util.Date();
>>>=20
> pdfDocument.save(dest);
>>>=20
> pdfDocument.close();
>>> java.util.Date
> endTime2 =3D new java.util.Date();
>>>=20
> System.out.println("Save Time: " +
> ((endTime2.getTime()-startTime2.getTime())/1000));
>>>=20
>>=20
>> Andreas, any thoughts?
>>=20
>>> 3.  Also,
> I'm getting the following log entries during runtime
> although I'm guessing they are not very important;
>>>=20
>>> Jul 16, 2015
> 1:43:30 PM java.util.prefs.WindowsPreferences
> <init>
>>> WARNING: Could not
> open/create prefs root node Software\JavaSoft\Prefs at root
> 0x80000002. Windows RegCreateKeyEx(...) returned error code
> 5.
>>=20
>> That=E2=80=99s
> PDFBox trying to create a local cache of font files and
> failing. I=E2=80=99m not sure why, looks like the reason is
> Windows-specific. It might take a few extra seconds to load
> PDFBox without the cache, but it not a problem.
>>=20
>>> Jul 16, 2015
> 1:43:30 PM org.apache.pdfbox.pdmodel.font.PDType1Font
> <init>
>>> WARNING: Using
> fallback font ArialMT for base font ZapfDingbats
>>=20
>> I=E2=80=99m surprised that
> PDFBox doesn=E2=80=99t find a better substitute for ZapfDingbats,
> enable TRACE logging and post the log file.
>>=20
>> =E2=80=94 John
>>=20
>>>=20
>>> Thanks,
>>>=20
>>> Jarrod
>>>=20
>>>=20
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>=20
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>=20


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