File list (Check if you may need any files):
drawLine
........\darwLine.pro
........\darwLine.pro.user
........\debug
........\.....\darwLine.exe
........\.....\drawline.o
........\.....\main.o
........\.....\mainwindow.o
........\.....\moc_drawline.cpp
........\.....\moc_drawline.o
........\.....\moc_mainwindow.cpp
........\.....\moc_mainwindow.o
........\.....\qrc_images.cpp
........\.....\qrc_images.o
........\drawline.cpp
........\drawline.h
........\images
........\......\zoomin.png
........\......\zoomout.png
........\images.qrc
........\main.cpp
........\mainwindow.cpp
........\mainwindow.h
........\Makefile
........\Makefile.Debug
........\Makefile.Release
........\release
说明.txt