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From: John Hewson <john@jahewson.com>
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Subject: Re: Geting font information
Message-Id: <12E237F9-C82B-41AC-9D46-6B0980DBE815@jahewson.com>
Date: Mon, 22 Aug 2016 20:49:50 -0700
References: <A327E8BA-02F3-426D-AE61-DF2705500FFC@gmail.com>
In-Reply-To: <A327E8BA-02F3-426D-AE61-DF2705500FFC@gmail.com>
To: users@pdfbox.apache.org
archived-at: Tue, 23 Aug 2016 03:50:03 -0000


> On 22 Aug 2016, at 17:42, Takuya Takaira (Hitakuya) <takuya.v@gmail.com> w=
rote:
>=20
> I=E2=80=99m using PDFbox-2.0.2 to obtain character information(position, s=
ize etc) and image of pdf pages.
> Now, I=E2=80=99m trying real size of character which is size of drawn.
> (for example like =E2=80=98A=E2=80=99 is normal and link =E2=80=98,=E2=80=99=
 is small size)
>=20
> Then, I tried following step
> - get path form getPath(code) method
> - get Rectange
>=20
> But for some embed font it is nice result, but some embed is completely wr=
ong size.
>=20
> if someone information, can you give me some advice.

So we actually just added some methods to help with this. The problem is tha=
t the glyph outlines are in the font's native glyph space, and there's a fai=
rly convoluted series of transforms which are necessary to map them into use=
r space, and ultimately device space.

If you use the latest SNV snapshot then you can use the getNormalizedPath me=
thod to get the glyph outlines. We do this in our PDFDebugger:

https://github.com/apache/pdfbox/blob/trunk/debugger/src/main/java/org/apach=
e/pdfbox/debugger/pagepane/DebugPageDrawer.java

Note that you don't have to override PageDrawer, you can simply override PDFG=
raphicsStreamEngine.

-- John

> Thanks.
> Takuya Takaira.
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>=20

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