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Subject: Re: Text removal
From: Maruan Sahyoun <sahyoun@fileaffairs.de>
In-Reply-To: 
 <CAE_pVdLjiFytTwxOAsUg8DFH6gZT4vgLQROAEOEW0p4+u_ZDhA@mail.gmail.com>
Date: Mon, 23 Mar 2015 22:48:02 +0100
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Message-Id: <9603F25B-98F3-4343-8B46-511EE025855C@fileaffairs.de>
References: 
 <CAE_pVdKNQHfJK5mo+rhxXJ3EzMt_Eumr+9NeYYS_aF634o8x1w@mail.gmail.com>
 <EF5296C0-7760-4977-8A48-C2005E6CB417@fileaffairs.de>
 <CAE_pVdLxZ52eNtThEF_Nhdif4T34dX21YMM41qcmh9pcdiX6DQ@mail.gmail.com>
 <FF6450BD-FF8E-489C-91E4-4F85E552BAF2@fileaffairs.de>
 <CAE_pVdLjiFytTwxOAsUg8DFH6gZT4vgLQROAEOEW0p4+u_ZDhA@mail.gmail.com>
To: users@pdfbox.apache.org

Hi,

your text is encoded so within the show text operator Tj the string is

7R %H $SSURYHG

You wrote that you encode your string to find it - what do you get?

BR
Maruan


> Am 23.03.2015 um 22:01 schrieb a7med shre3y <a7med.shre3y@gmail.com>:
>=20
> Hi Maruan,
>=20
> Here's a link from where you can download the PDF.
>=20
> =
https://drive.google.com/file/d/0B5Kxacm1mej-bm82NzNvUXFPSmMtUjc0ZFVjVVlrO=
DZnRzdn/view?usp=3Dsharing
>=20
> Kind Regards,
> a7mad
>=20
> On Mon, Mar 23, 2015 at 8:57 PM, Maruan Sahyoun =
<sahyoun@fileaffairs.de>
> wrote:
>=20
>> Hi,
>>=20
>> you need to upload it to a public location as the mailing list =
doesn't
>> support attachments.
>>=20
>> BR
>> Maruan
>>=20
>>> Am 23.03.2015 um 19:18 schrieb a7med shre3y =
<a7med.shre3y@gmail.com>:
>>>=20
>>> Dear Maruan,
>>>=20
>>> Thank you very much for the information. Please find herewith =
attached
>> the PDF to reproduce the problem.
>>> The text to remove is: "To Be Approved". The text has a multi-byte
>> encoding, so I call first to encode it in order to find it then =
remove it.
>>>=20
>>> Best Regards,
>>> a7mad
>>>=20
>>>> On Mon, Mar 23, 2015 at 4:13 PM, Maruan Sahyoun =
<sahyoun@fileaffairs.de>
>> wrote:
>>>> Dear a7mad,
>>>>=20
>>>> removing text from a PDF is not an easy task as
>>>> - text which might visually appear as a single item might =
consistent of
>> individual parts within the PDF itself e.g. each character or groups =
of
>> characters are place individually in different COSStrings
>>>> - text might be drawn using graphics commands
>>>> - text can appear within different parts of the PDF (e.g. the text
>> might be content of a form field AND the annotation representing the =
form
>> field visually)
>>>> - you need to look up the encoding information to get form the
>> characters in the PDF "string" to the ones you are looking for
>>>> =E2=80=A6.
>>>>=20
>>>> If you can post a specific PDF to a public location and describe in
>> detail which string should have been replaced which hasn't I will be =
able
>> to tell you why that might have happened.
>>>>=20
>>>> Maruan
>>>>=20
>>>>=20
>>>>> Am 23.03.2015 um 15:03 schrieb a7med shre3y =
<a7med.shre3y@gmail.com>:
>>>>>=20
>>>>> Hi all,
>>>>>=20
>>>>> Currently I am facing a strange problem removing text from the =
some
>> PDFs.
>>>>> My program is able to find the text and "remove it" by calling the
>>>>> COSString.reset() method.
>>>>> The problem is, when I open the output PDF file, I still see the =
text
>> but
>>>>> not selectable (I mean when I try to highlight it with the mouse =
to
>> copy
>>>>> it, it's not selectable!). When print the content (tokens) of the
>> output
>>>>> file, I DO NOT find the text at all!!
>>>>>=20
>>>>> I am currently stuck in the PDF specifications 1.5 and really =
running
>> out
>>>>> of time.
>>>>>=20
>>>>> I'd so much appreciate any help or any idea on what's going on.
>>>>>=20
>>>>> Notes:
>>>>> 1. I use use PDFBox 1.7.1
>>>>> 2. This problem does not occur with all PDFs, only some PDFs cause
>> this
>>>>> problem.
>>>>>=20
>>>>> Thank you very much.
>>>>> a7mad
>>>>=20
>>>>=20
>>>> =
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>>>=20
>>>=20
>>> =
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>>> To unsubscribe, e-mail: users-unsubscribe@pdfbox.apache.org
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>>=20


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