Tag: Qt Creator

Pop-out widget into a separate window with Qt

Have you ever felt that your application needs an extra window? When the user has 2 screens available how great would it be to separate the widgets you had to push into a tab widget!

I have good news for you: this can be done simply with Qt.

Let’s say we have a window with two widgets. They are quite important so we’d like the user to see both of them if possible. What can we do about it?
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The OpenCV, the Qt Creator and the Windows 7

(For the ones who did not get the title: Il buono, il brutto, il cattivo)
After a few hours of googling and hacking we managed to set up OpenCV 2.3 in Qt Creator under Windows 7.

There are a lot of forum and blog posts out there about this but none of them uses the new OpenCV 2.3.

If you are full of reading linking errors like

undefined reference to `cvLoadImage’

you might have just arrived at the right post in the Internet.

After you have downloaded the binaries for Windows, you get a nice README suggesting this:

If you have problems add build\bin and one of build\{x86|x64}\{vc9\vc10\mingw}\bin to your system path (to use DLLs)

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