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I'm taking recommendations for either a library in Python or Ruby or a free web service that will simply take a PDF and a pair of image dimensions and spit out an image for each page (jpg or png). Nothing complicated! But it must have point-for-point accuracy to the original PDF. That is all.
ImageMagick uses Ghostscript for PDF files. So skip ImageMagick and use Ghostscript directly. IMHO.
You can use GIMP. Its a very good interface.
Import the pdf file to GIMP
Save the file as .xcf
Operate on the image - edit if required
Export in whatever format you want: .bmp, .jpeg, .png etc.
Try this :) (ImageMagick).
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I need a PDF library For Android that can read the PDF Files and access to edit and change their contents. Some of Library I have already used :
iText Pdf Library(http://itextpdf.com/)
PdfViewer
But there is problem in Library first one is useful if having only text in pdf. It will not take the images and second changes the pdf to images so that cannot editable.
PDF read/writing is a big problem for Android. A quick search on Stackoverflow will reveal many developers looking for solutions. So far, the most popular solution is to use a webview and use the google docs engine to render the PDF
There are also :
MuPDF
Android PDF Viewer Library
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I want to manage PDF format document in VB.net project.
I want to render PDF document in the Form,
and extract objects in the PDF.
It means that the color of the text(string), size of the text and font name of the text could be changed by the app, moreover,
size of the shape and pictures(stream) also could be changed.
Is it possible to do that without Acrobat or third-party component?
If it is too difficult to do it without components, then
Is there any free-for-commercial component to manage those feature?
Thanks a lot!
plus,
there are many free PDF viewers on the Internet. are they using their own PDF rendering component or just adopting existing PDF components?
This can be achieve with the help of 3rd party components. I use GD Picture for PDF manipulation, but it's not free by any means and is great. Others include iTextSharp, PDFSharp and ABCPdf; each having their pros and cons...
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I have many small video clips in different formats (.avi, .mpg, etc).
I want to convert all the files to .mp4 format using matlab.
The reason for the conversion is: I am extracting frames from videos and save them as images. but when I use .mpg, .avi formats I am unable to determine the number of frames in each video clip.
So I need to convert the files to .mp4 format. Could you please let me know are there any way to do it using matlab.
Thanks
Make use of FFMpeg to convert and then read the output using MATLAB.
for instance;
ffmpeg -i myfile.avi myfile.mp4
Readme Link
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I am developing an Ebook reader for iPhone that loads ePUB file. I would like to know how would I unzip ePUB file format. Is there any examples around?
Thanks.
Unzipping is easier than zipping. Just change extension to .zip and use regular zip tool.
Or on Mac, in Terminal, use
unzip file.epub
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Is there a PDF library that one can use to automate creating PDFs from URLs? The current approach I use is to "Print" a page and select a PDF plugin like PrimoPDF to generate the PDF document but I was wanting to automate that.
ABCPDF can do it
wkhtmltopdf generates the most accurate PDFs out of web pages that I have ever found. It renders them in WebKit and converts this to PDF, so the PDF will look exactly like the web page, including all styles and other fancy things.
Just use it like this:
wkpdfhtmltopdf http://www.whatever.com/page.html page.pdf
Depends on what platform you are on
Windows - Websupergoo's ABC PDF
http://www.websupergoo.com/
*nix - Prince XML
http://www.princexml.com/overview/
I've also used ABC PDF (from classic ASP) and found it very good.