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From John Hewson <j...@jahewson.com>
Subject Re: pdfbox warnings
Date Tue, 07 Apr 2015 16:11:57 GMT
> On 7 Apr 2015, at 05:00, Eric Douglas <edouglas@blockhouse.com> wrote:
> 
>> On Tue, Apr 7, 2015 at 2:56 AM, John Hewson <john@jahewson.com> wrote:
>> 
>> 
>> On 6 Apr 2015, at 14:38, Tres Finocchiaro <tres.finocchiaro@gmail.com>
>> wrote:
>> 
>>>> 
>>>>> ExternalFonts.addSubstitute("ZapfDingbats", "WingdingsRegular");
>>>>> That will map Zapf Dingbats to Webdings. If it works then we can
>> include
>>>> that substitution by default in PDFBox.
>>> 
>>> 
>>> 
>>> Just a lurker chiming in here... If John Hewson's statement is true,
>>> doesn't the substitution solve this?
>> 
>> Yes, we just need to make sure to choose a substitute (Windings,
>> Webdings?) which provides the necessary glyphs (I believe that they're all
>> in Unicode, so our existing cmap mapping mechanism for TTF glyphs should
>> handle it once we map the font name).
>> 
> 
> Is that a real solution?  Is Zapfdingbats available on any platform?  Is
> Wingdings available on every platform or free to redistribute?

Yes, OS X ships with "ZapfDingbatsITC" and URW++ "Dingbats" ships with Ghostscript, so is
at least available on Linux. PDFBox already ships with these mappings built-in.

Webdings is also available on Linux via the legacy free "Microsoft core fonts for the web"
package, though we don't map to it (yet).

> I don't know what characters are in Zapfdingbats versus Wingdings, but it
> would need a mapping.

The characters from ZapfDigbats are in Unicode, so should map automatically, bugs notwithstanding.

> I tested replacing Zapfdingbats with Wingdings in my
> own app yesterday and had to change the character code to print a check
> mark.

We'll definitely have to check that the mapping is appropriate/valid and customise it if necessary.

>> 
>>> I have a custom FontMapping.Properties
>>> <
>> https://github.com/qzindustries/qz-print/blob/1.8-pdfbox/pdfbox_1.8.4_qz/src/org/apache/pdfbox/resources/FontMapping.properties#L21
>>> 
>>> (github.com) that I use for this stuff because the font replacement on
>>> Linux seems to be lacking for many standard fonts.  If an equivalent
>>> exists, shouldn't the project try to use it?
>> 
>> Yes, usually our font mapper handles this automatically but as you've
>> noticed sometimes it's necessary to hard-code some hints.
>> 
>>> I personally don't like the idea of copying fonts from an Adobe area
>> into a
>>> systems area, especially as a recommendation for using a Java library.
>>> Something feels wrong about that, personally. :) $0.02
>>> 
>>> -Tres
>> 
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