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Am 15.05.2011 16:01, schrieb Leonard Rosenthol:
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<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);">The method you are using is REALLY BROKEN! <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);">Are you also copying all the resources over all
well? How do you handle resources used by Form XObjects or
Patterns?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);">The correct way to do this is to simply turn one
of the pages into a Form XObject for the other page and then
draw it.</span></p>
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<br>
I don't understand what you're meaning.<br>
<br>
Is there an simpler way to merge the PDFs together?<br>
<br>
<br>
<br>
Andreas<br>
<br>
<br>
<blockquote
cite="mid:D23D6B9E57D654429A9AB6918CACEAA98060741F53@NAMBX02.corp.adobe.com"
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<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);">Leonard<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family:
"Tahoma","sans-serif"; color:
windowtext;">From:</span></b><span style="font-size:
10pt; font-family:
"Tahoma","sans-serif"; color:
windowtext;">
<a class="moz-txt-link-abbreviated" href="mailto:poppler-bounces+leonardr=adobe.com@lists.freedesktop.org">poppler-bounces+leonardr=adobe.com@lists.freedesktop.org</a>
[<a class="moz-txt-link-freetext" href="mailto:poppler-bounces+leonardr=adobe.com@lists.freedesktop.org">mailto:poppler-bounces+leonardr=adobe.com@lists.freedesktop.org</a>]
<b>On Behalf Of </b>Andreas Butti<br>
<b>Sent:</b> Wednesday, May 11, 2011 11:36 PM<br>
<b>To:</b> Albert Astals Cid;
<a class="moz-txt-link-abbreviated" href="mailto:poppler@lists.freedesktop.org">poppler@lists.freedesktop.org</a><br>
<b>Subject:</b> Re: [poppler] Direct Poppler access
without frontend allowed?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Ok, I can provide my code, but I need some
help to complete integrate with Poppler.<br>
<br>
What I did now:<br>
I have two PDFs, one for background and one for the
foreground, like two slides on a overhead projector, the
second slide is on top of the first slide. Sometimes there are
two pages, 1 foreground and one background, sometimes there is
only one PDF.<br>
Not all source PDFs are used always, and sometimes PDF Pages
are used twice.<br>
<br>
<br>
My code does the following:<o:p></o:p></p>
<ul type="disc">
<li class="MsoNormal" style="">Extract the contents stream of
the pages<o:p></o:p></li>
<li class="MsoNormal" style="">Append the stream from one page
to the other page<o:p></o:p></li>
<ul type="circle">
<li class="MsoNormal" style="">update all references, e.g.
images and fonts, because /F1 in one document is may not
the same font than /F1 in the other document<o:p></o:p></li>
</ul>
<li class="MsoNormal" style="">Write outlines to the document
(they have to be created by the application, because if
there are pages inserted / deleted, I cannot use the
original outlines)<o:p></o:p></li>
<li class="MsoNormal" style="">Write metadata (Creator, Autor,
Creationdate etc.)<o:p></o:p></li>
<li class="MsoNormal" style="">Writeout the document to a file<o:p></o:p></li>
<ul type="circle">
<li class="MsoNormal" style="">Create new XREF table<o:p></o:p></li>
<li class="MsoNormal" style="">compress the contents of the
pages with GZ<o:p></o:p></li>
</ul>
</ul>
<p class="MsoNormal"><br>
<br>
My application is mostly written in C++, but I use GTK (no
discussion about this combination;-)).<br>
<br>
So I first used the GLib frontend, but there I had problems
with searching, and I cannot access the underlying poppler
objects.<br>
<br>
<br>
The Question is now which frontend I should use.<br>
<br>
<br>
In my opinion, the best solution is may to create a new
frontend, e.g. a PDF-editing frontend?<br>
<br>
Because then it's possible to change some behaviour, and add
other things, like:<o:p></o:p></p>
<ul type="disc">
<li class="MsoNormal" style="">Edit text within PDF documents
(not add, add is no problem with merging)<o:p></o:p></li>
<li class="MsoNormal" style="">Delete objects from a PDF (e.g.
select a rectangle and delete all objects within this
rectangle)<o:p></o:p></li>
<li class="MsoNormal" style="">Copy objects<o:p></o:p></li>
</ul>
<p class="MsoNormal">Currently there is no easy to use
application which support these 3 operations for Linux.<br>
<br>
If poppler would have such a frontend I'll may append this
functionality to Xournal++ (in the future, not now).<br>
<br>
<br>
What do you think about this?<br>
<br>
<br>
<br>
<br>
Andreas<br>
<br>
Am 11.05.2011 21:43, schrieb Albert Astals Cid: <o:p></o:p></p>
<pre>A Wednesday, May 11, 2011, Andreas Butti va escriure:<o:p></o:p></pre>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<pre>Hello everybody<o:p></o:p></pre>
</blockquote>
<pre><o:p> </o:p></pre>
<pre>Hi<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<pre><o:p> </o:p></pre>
<pre>I'm working on a new Xournal version (Xournal++, not yet present on a<o:p></o:p></pre>
<pre>webpage, only in the SVN).<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>I used Poppler to display PDF and also for PDF export, to implement the<o:p></o:p></pre>
<pre>PDF export (merging two PDFs together) I access Poppler without any<o:p></o:p></pre>
<pre>frontend.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>I'm working on Ubuntu, which contain all necessary headers, but other<o:p></o:p></pre>
<pre>distributions don't.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Now there is a discussion if it's allowed to access Poppler without<o:p></o:p></pre>
<pre>frontend, or not.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>I thought it should be allowed, because on the poppler Wiki are also two<o:p></o:p></pre>
<pre>projects listed which access poppler without frontent,<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>But now I need a clear answer if it's allowed or not, and if not if<o:p></o:p></pre>
<pre>there is another way for me to implement this without breaking any rules.<o:p></o:p></pre>
</blockquote>
<pre><o:p> </o:p></pre>
<pre>It is not encouraged since we reserve the right to change the API (and do so) <o:p></o:p></pre>
<pre>at any release (minor versions included) while our API in the frontends is <o:p></o:p></pre>
<pre>much more stable.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>If you tell us what you are missing from the public frontend API we might add <o:p></o:p></pre>
<pre>it, or you might even contribute the code you have that uses the internal API <o:p></o:p></pre>
<pre>so we add it to our frontend ;-)<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Albert<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<pre><o:p> </o:p></pre>
<pre>Thank you for the answer.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Andreas<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>poppler mailing list<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="mailto:poppler@lists.freedesktop.org">poppler@lists.freedesktop.org</a><o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="http://lists.freedesktop.org/mailman/listinfo/poppler">http://lists.freedesktop.org/mailman/listinfo/poppler</a><o:p></o:p></pre>
</blockquote>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>poppler mailing list<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="mailto:poppler@lists.freedesktop.org">poppler@lists.freedesktop.org</a><o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="http://lists.freedesktop.org/mailman/listinfo/poppler">http://lists.freedesktop.org/mailman/listinfo/poppler</a><o:p></o:p></pre>
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