using same software for manipulation as for pdf file creation - pdf-generation

If one has a pdf file created by a third part using software product X, would it be easier to perform file manipulation, editing and text extraction via that same software product X? that is, is there an advantage to using the same software as was used to created the pdf file by the third party?

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c# ZPL Binary Kits License

Hello, I am developing a program for my company.
In this project, we need to implement a feature that previews zebra's zpl in C#.
Therefore, I want to use an external library (Nuget), but the famous Labelary not only has restrictions on continuous use, but the company does not want security information to be passed on.
Therefore, I want to use a Nuget package called Binary Kits, but this package also seemed to support how to use Labelary and its own viewer module.
If I use Binary Kits' own viewer module, I wonder if there will be any problems such as my data being
transferred to another place, or there being a limit on the number of preview uses.
enter image description here
I installed BinaryKits.Zpl.Viewer and these packages were downloaded automatically.

Extract pictures from a table in a PDF

I would like to write a small program, or script, to extract a set of pictures from a pdf.
I have several PDFs, they each have a table of pictures. I would link to have one picture per file. Therefore I need a way to extract them. Due to the nature of the PDF (A table/grid), it seems that it would be much easier to write a program, than do some manual method. However I have no idea what tools are available.
What libraries are available?
Preference Python, then C# or Java, then maybe some other language (My C and C++ is rusty, I have not done them for years).
I am on Debian Gnu/Linux, so have a wide choice of tools.
I went with pdfbox (an Apache project, so Free Software) it is a java library and a command line tool (the app module). I then scripted it with a bit of python to process the extracted text (yes it did that as well), and rename the image files.

Biometric Facial Recognition Command Line Tool

I would like to perform a simple task: to upload a client image to the server and compare this image with other images in a folder. To do so I could use a command line tool compiled in a low or mid-level language (such as C) and call the binary via php. Does anyone know any software/library on that model?

How to write a script that uses another software (in Windows)

I'm new to script writing. So I wanted to know if it's possible to write a script that uses another software in the process. For example, I need to run a script to process a directory of images using an OCR software and store the output in another file.
It is possible to do so? And if so, how can I call the software in the script? For instance, if I want to use Adobe's scan to pdf function or ABBYY text grabber?

Open source for reading and writing multi layer .psd image

I am in Mac OSX, Cocoa .
I want to read and write multi layered .psd images.
With Cocoa native api's i can read or write the images as flat images.(i.e., single layered)
So is there any 3rd party library available to perform the operations?
This is my earlier query.
psd Image creation with layer properties using CGImageRef
Thanks,
Dhana
PSD is a lousy format for anything but use in PhotoShop, and most third party libraries will miss some of the finer points of layer composition, in part because Adobe keeps extending the format, and in part because it isn't extremely well documented.
If you need to keep altered images in PSD, then presumably you have PhotoShop in-house. Your best bet is to use Photoshop Batch Processing which can be as easy as keyboard macros or as complex as you want to script.

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