this is a paint program.if you want to study how to make it ,this is a good example.

paint20100206\images\clear.png
.............\......\exit.png
.............\......\help.jpg
.............\......\new.png
.............\......\open.png
.............\......\print.png
.............\......\rotate.png
.............\......\save.png
.............\......\saveas.png
.............\......\shear.png
.............\......\tool.png
.............\......\zoom-1.png
.............\......\zoom-in.png
.............\......\zoom-out.png
.............\main.cpp
.............\mainwindow.cpp
.............\mainwindow.h
.............\mainwindow.ui
.............\myResource.qrc
.............\paint.pro
.............\paint.pro.user
.............\paintarea.cpp
.............\paintarea.h
.............\readme.txt
.............\ui_mainwindow.h
.............\images
paint20100206

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