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I have a program un C++/Qt written for Windows, which prints some graphs in pdf format and some other data in HTML.
I need to print all together into a single PDF, a single-file report.
I have looked for some libraries similar to Crystal reports, but I just find paid ones and I need a free open-source solution. I finally found RTK reports but it looks to run only with UNIX.
Any library or different solution for my needs?
You might want to check out what Qt has built into it in versions 4.7 & 4.8. From Qt 4.8: Printing with Qt, there is this little tidbit "Qt's printing system also enables PostScript and PDF files to be generated...." The QPrinter class supports several different Output Formats, including PDF.
Disclaimer: I haven't played with this part of Qt, so YMMV.
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I am doing a computer vision project where i have to recognize the text in an image and output it. So I want to develop a simple GUI for my C++ code, where I can show the image in a frame and show the recognized text next to it in some text box. I have no previous experience in developing GUIs, but i think it shouldn't be hard since the interface is not complicated. I am using windows 8 and both eclipse and netbeans are installed. Please provide me with the steps and packages I need to download. Any references to some tutorials or code will be very appreciated.
I suggest to use Qt, the cross-platform application framework.
Download Qt:
Drag and drop features with C++ IDE.
Many video tutorials are available on the web.
Book: C++ GUI Programming with Qt 4 | pdf
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I'm searching for a consultation, or maybe an opinion, a suggestion, or something like this.
I'm starting a project (desktop application) that is something like an IDE for writing books/reports. I'm planing to introduce LaTeX features, if I can name them in a such way.
So the question is: Is it possible to integrate a LaTeX script or plug-in in my software in order to have the needed features?
Waiting for questions or suggestions on my topic.
Thanks in advance!
P.S. Sorry if this topic was already posted.
Not sure I understand your question correctly. I never heard of some kind of LaTeX library or plugin of some kind, which is readily available to be integrated in other programs.
You tagged your question 'qt' so I assume, you use Qt as your framework. The only way I see to integrate LaTeX into Qt is using QProcess. Write your LaTeX code, start pdflatex with QProcess. The question then is if you can do something with the created pdf file.
Look for MikTeX and TeXworks. If you google those, you should be able to get the links to download those. That should do what you need.
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I am looking for a library written either in C or C++ which can convert the svg to image formats.
I came across inkscape which converts svg to images. but to use this I must run inkscape as a process and this not the solution I am after.
I need the library to run on both Windows and Linux as well.
I am after a C or C++ library. If it was with Java I would have used Apache's Batik rasterizer.
The canonical library to render SVG is librsvg. You may want to check that out.
For image libray, you can use ImageMagick, which is quite popular and it support many types of image.
I would recommend leadtools, as they support many vector formats and many programming languages and it can be easily convert vector format to the most known raster format.
As far as I know they support Windows, not sure about Linux.
You can tell by visiting their website.
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I need to put some 3D images into PDF files, and PDF uses Universal 3D (U3D) formats. I don't like the U3D Sourceforge project (basically what Intel released after the ECMA standardization effort).
Does anybody know of good U3D libraries I could use? I'm using C++ on Microsoft Windows, FWIW.
VCGLib is a mesh processing library that has a U3D exporter and a variety of importers (see http://vcg.sourceforge.net/index.php/Tutorial#File_Formats). MeshLab is a tool built on top of it.
Another answer would be Visual Technology Services with PDF3D (PDF link). I've started evaluating it and I like what I see so far.
I agree with your position of not liking the U3D sourceforge project. People at my company is having problems with it when exporting large models: it runs out of memory.
The project has explicitly stated that it has memory issues on its TODO list and is dead since 2007, so I strongly recommend you to go elsewhere.
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I am looking for a simple C++ library for tokenizing and parsing RTF (Rich Text Format) files. I am planning to edit them with Qt's QTextEdit.
More the Formatting preserved the better -- but actually I am planning to use Bold and Italics only.
In perl I would use RTF::Tokenizer.
It would be nice if the module had some sort of interface for writing also, but I am able to brute force that with a template and some regular expressions.
I helped writing the RTF import export filter in KOffice. You can have a look at the code at https://cgit.kde.org/koffice.git/tree/filters/kword/rtf. The code is modular and it depends only on Qt.
A quick SourceForge search suggests librtf. It hasn't been developed in a while, but is listed as stable and is under the LGPL. I don't know whether it will support what you need, but I always suggest searching SourceForge for libraries.
You can ask the #koffice guys on irc.freenode.org over irc. Their program kword is able to open RTF files, and is indeed also written in Qt. I'm sure they would be glad to tell you about how they do it.