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ashwini_dash@adobeforums.com #1
solve the glyph extraction
hi,
"namespace Stack" this is in actual PDF but when converting to XML its coming like
nnaammeessppaaccee SSttaacckk .
got to know that this is a glyph extraction problem.
i got a code to handle the glyph extaction problem in PDF.
/Resources
<< /Font << /F13 23 0 R >>
<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica > endobj> 23 0 obj
can anyone guide me how to use this code n what actualy its doing?
Regadrs
Ashwini Kumar Dash
ashwini_dash@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #2
Re: solve the glyph extraction
This is not unusual. It sounds as if the application was doing fake
bold by printing each character twice, slightly offset. If you want to
spend enough time developing you can detect this case by seeing that
identical characters occupy an overlapping bounding box, and eliminate
it.
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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ashwini_dash@adobeforums.com #3
Re: solve the glyph extraction
hi andi,
thanx for your suggestion.can you please guide me how to fix this problem?Actually i am not getting a proper way to find out the solution.i am using Acrobat 7.0 professional.Is there in plugin given to handle this?
Ashwini
ashwini_dash@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #4
Re: solve the glyph extraction
I have described how to fix the problem: " you can detect this case by
seeing that identical characters occupy an overlapping bounding box,
and eliminate it." This would be how I would approach this difficult
task, but I have never done it.
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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ashwini_dash@adobeforums.com #5
Re: solve the glyph extraction
hi andi,
do u know what the preflight plugin does?have u ever gone through Advance > preflight ? i dont know but i think it can help me.if u know anything about this plz ell me.
Ashwini
ashwini_dash@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #6
Re: solve the glyph extraction
> do u know what the preflight plugin does?
All kinds of analysis of the PDF. Some simple, some very complicated.
Why?
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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ashwini_dash@adobeforums.com #7
Re: solve the glyph extraction
hi Andi,
Actually i am very new to acrobat SDK and i have some critical issues.like when converting to XML some characters like fi - fl not converting properly and as i told u before some glyphs(faux bolding) is there which also not converting properly.I am doing all type of analysis to find a way to enter in to problem cause and to find a solution for this.I need some real help.
Ashwini
ashwini_dash@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #8
Re: solve the glyph extraction
> .I need some real help.
I am not sure what you mean. If you ask direct questions, we try to
answer them. If you want someone to write code for you, that's a
different story.
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #9
Re: solve the glyph extraction
P.S. I have fully answered your question about XML in another forum and about repeated glyphs in this forum.
If you don't understand the reply, please say so, but it's no good
just repeating the question in the hope that the reply will change.
Sorry, it's time to be direct: it is considered VERY RUDE INDEED to
behave in this way in forums, just as in conversation. I want to help, that's why I am participating, but it is maddening to find that I post a reply, and that you just post the question again! If you don't understand my reply, that's fair, but please SAY SO!
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #10
Re: solve the glyph extraction
One more thought. Since the internet is worldwide, perhaps we just
have a cultural difference. I expect you to say if you do not
understand, but maybe in your culture that is rude or unacceptable.
But please, if that's the case, I recommend that you overcome that.
Please realise that when give your problem some serious thought, and I
twice type my reply "you can detect this case by seeing that identical
characters occupy an overlapping bounding box, and eliminate it." and
you reply "I need some real help", that in my culture THIS is rude.
To be effective in web forums, we should still be polite, but we do
need to be direct too, and explain what we mean. I am ready, so long
as you don't want me to write code for you.
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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ashwini_dash@adobeforums.com #11
Re: solve the glyph extraction
hi andi,
my intenssion was not like that .sorry if anything wrong i told.actually my intenssion of writing "i want some real help" is i got your answer but i am unable to follow your answer.thats why i asked how to do that what u suggested.sorry again .its a problem the way i wrote the mesage but my intenssion was not that.
Ashwini
ashwini_dash@adobeforums.com Guest
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Aandi_Inston@adobeforums.com #12
Re: solve the glyph extraction
Ok, let's try to explain first WHY there may be duplicated characters.
Here is one possible explanation. I will not here try to cover a
programming solution, only why they are there.
Fonts are made in different "weights". For example, there is an Arial
font and an Arial Bold font. These are both designed by the same
person, but the designs are different, to make the bold font heavier.
When working with fonts, users should be careful to only bold
characters when they have a bold font. Otherwise they will get "fake
bold".
Fake bold means that the computer tries to use a normal font to give
the illusion of real bold. There are several ways to do this, but none
are as good as using a properly designed font.
One way to do fake bold uses over-printing. Think of a typewriter.
With a typewriter you can back space and hit the same character again.
It will be darker, almost as if it is bold. Computers may try to do
the same thing, but they will move the character a very small amount
(perhaps less than 0.1 mm). These two characters, seen together, look
thicker, and give the illusion of bold.
So, what happened with this PDF, perhaps, is that the person who made
it and typed "namespace Stack" used bold, but did not have a bold
font. So a fake bold was made. So that would have n-n (both characters
in almost the same place), then a-a, and so forth.
But if you try to read the characters in the PDF you will see
n-n-a-a-...
Ok, have I now made this clear? There is no point continuing to a
programmatic solution unless I have.
Aandi Inston
Aandi_Inston@adobeforums.com Guest
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ashwini_dash@adobeforums.com #13
Re: solve the glyph extraction
hi andi,
now is very clear to me . I got a solutio for this. I think we have to write plugin to touch the cos layer and do a proper encoding of the font.Thanks andi .Dont get angry .I am very sorry for the misunderstanding.
Ashwini
ashwini_dash@adobeforums.com Guest



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