qt画图资料，画点，矩形，圆等等

[{"title":"（ 114 个子文件 3.63MB ） qt画图资料，画点，矩形，圆等等","children":[{"title":"文件说明.txt <span style='color:#111;'> 228B </span>","children":null,"spread":false},{"title":"mainwindow.ui <span style='color:#111;'> 11.37KB </span>","children":null,"spread":false},{"title":"ui_donewdialog.h <span style='color:#111;'> 4.02KB </span>","children":null,"spread":false},{"title":"paint.pro.user <span style='color:#111;'> 12.80KB </span>","children":null,"spread":false},{"title":"paintarea.h <span style='color:#111;'> 2.04KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]