用Qt实现屏幕截取功能

[{"title":"（ 33 个子文件 4.19MB ） 用Qt实现屏幕截取功能","children":[{"title":"PicCut","children":[{"title":"PicCut.ncb <span style='color:#111;'> 13.96MB </span>","children":null,"spread":false},{"title":"PicCut.suo <span style='color:#111;'> 11.50KB </span>","children":null,"spread":false},{"title":"images","children":[{"title":"open.png <span style='color:#111;'> 2.02KB </span>","children":null,"spread":false},{"title":"services.png <span style='color:#111;'> 3.66KB </span>","children":null,"spread":false},{"title":"actualsize.png <span style='color:#111;'> 1.15KB </span>","children":null,"spread":false},{"title":"cheese.png <span style='color:#111;'> 2.96KB </span>","children":null,"spread":false}],"spread":true},{"title":"201004081823.png <span style='color:#111;'> 93.44KB </span>","children":null,"spread":false},{"title":"PicCut.vcproj <span style='color:#111;'> 9.77KB </span>","children":null,"spread":false},{"title":"imagewidget.h <span style='color:#111;'> 279B </span>","children":null,"spread":false},{"title":"2010.04.20 19：20.png <span style='color:#111;'> 92.31KB </span>","children":null,"spread":false},{"title":"vc90.pdb <span style='color:#111;'> 1.72MB </span>","children":null,"spread":false},{"title":"PicCut.sln <span style='color:#111;'> 877B </span>","children":null,"spread":false},{"title":"vc90.idb <span style='color:#111;'> 1.84MB </span>","children":null,"spread":false},{"title":"2010.04.08 19：21.png <span style='color:#111;'> 323.71KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 305B </span>","children":null,"spread":false},{"title":"PicCut.pro <span style='color:#111;'> 376B </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"PicCut.exe <span style='color:#111;'> 59.00KB </span>","children":null,"spread":false},{"title":"imagewidget.obj <span style='color:#111;'> 131.30KB </span>","children":null,"spread":false},{"title":"moc_mainwindow.cpp <span style='color:#111;'> 2.44KB </span>","children":null,"spread":false},{"title":"mainwindow.obj <span style='color:#111;'> 185.70KB </span>","children":null,"spread":false},{"title":"BuildLog.htm <span style='color:#111;'> 8.16KB </span>","children":null,"spread":false},{"title":"PicCut.exe.intermediate.manifest <span style='color:#111;'> 878B </span>","children":null,"spread":false},{"title":"moc_imagewidget.cpp <span style='color:#111;'> 2.09KB </span>","children":null,"spread":false},{"title":"moc_mainwindow.obj <span style='color:#111;'> 121.10KB </span>","children":null,"spread":false},{"title":"main.obj <span style='color:#111;'> 119.98KB </span>","children":null,"spread":false},{"title":"mt.dep <span style='color:#111;'> 67B </span>","children":null,"spread":false},{"title":"PicCut.pdb <span style='color:#111;'> 2.25MB </span>","children":null,"spread":false},{"title":"moc_imagewidget.obj <span style='color:#111;'> 120.60KB </span>","children":null,"spread":false},{"title":"PicCut.ilk <span style='color:#111;'> 736.71KB </span>","children":null,"spread":false}],"spread":false},{"title":"PicCut.vcproj.KY-PC.KY.user <span style='color:#111;'> 1.38KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 1.84KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 562B </span>","children":null,"spread":false},{"title":"imagewidget.cpp <span style='color:#111;'> 344B </span>","children":null,"spread":false},{"title":"release","children":null,"spread":false}],"spread":false}],"spread":true}]