Posts in Category: Qt
Qt Deskew – qdeskew 0.2
Command-line app for performing deskew over an image in C++/Qt4.
Based on java version jdeskew from here.
It uses the hough transform to perform the skew angle detection.
All image opening/saving is performed by qt4 libraries so expect large compatibility.
You can use the imagedeskew class on your application if you want!
Usage: ./qdeskew inputFile deskewedOutputFile
Compile (the usual way – you’ll need Qt4):
- qmake
- make
http://qt-apps.org/content/show.php?content=124628
KDE network bandwidth clock 0.1
Hi, i’ve started a new project this weekend, based on this post from Gizmodo.
This is a 24h clock divided by half hours, and maintains a log from the bandwidth available on your PC, very usefull i think!
Please help testing and give me some features/bugfixes if you want!
Cheers
http://www.kde-look.org/content/show.php?content=109023
Casio CFX to PC chat
So my new project is to establish a connection with my Casio CFX-9850GB PLUS to send and receive messages with my pc.
Hardware used:
- Casio CFX-9850GB PLUS
- PC (Slackware box, but the code can be easily adapted for windows)
- Arduino (for the serial to USB connection (PC to Casio), i don’t have a cable, look for DIY cables)
Software Environment:
As this is a hurry up thing i used a easy framework for C++:
- Qt4 (for debugging and strings manipulation)
- qextserialport (x-platform serial implementation)
I borrowed most of information from here
Source Download (with Linux x86 binary and qextserialport *.so)
KDE 4 is out! So let’s give it a try..
So today kde4 final release 4.0.0 is out, it’s a great change, ’cause i hope with introduction of qt4 we are going to have better multiplataform software. If you are now on programming (there are Qt4 bindings for c++, python and java), think of starting your first projects so one day you’ll be helping a major community!
iPod embedded lyrics with amarok!
HI! This is my first post, i’m Zé Luis, from Portugal and 19 year old. I love linux.
So i want to talk about how i put this thing to work.
- First you need to know that amarok latest version 1.4.8 doesn’t detect lyrics on mp3 when you upload some music to ipod (you need to set a bit on iTunesDB so ipod knows mp3 file has lyrics).
So open your command line, and copy this (assuming you have all libraries needed)
(first uninstall your previous amarok installation)
###########CODE###########
wget ftp://ftp.kde.org/pub/kde/stable/amarok/1.4.8/src/amarok-1.4.8.tar.bz2
tar jxf amarok-1.4.8.tar.bz2
wget www.fe.up.pt/~ee06201/files/amarok_ipod_lyrics.patch
patch -p1 amarok_ipod_lyrics.patch
./configure
make
make install
###########CODE###########
Now you need a script to save your fetched lyrics to mp3 itself (it’s called ID3 
Lyrics)
you can look this script and download it:
http://kde-apps.org/content/show.php/Lyrics+ID3?content=49274
or you can download it directly from Amarok’s script manager (“Get More Scripts” on figure).
Activate “Save lyrics to ID3″ on script manager, and when you right-click on the music you can now save lyrics to mp3. (i didn’t find a way to save all at a time :S )
Drag files to ipod and now you can sing your songs 
PS: patch was borrowed from a very old link (and with an old amarok patch)
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