【QT】18 绘图系统（QPaintDevice类）

[{"title":"（ 13 个子文件 542KB ） 【QT】18 绘图系统（QPaintDevice类）","children":[{"title":"17qtproject","children":[{"title":"image","children":[{"title":"1.png <span style='color:#111;'> 86.86KB </span>","children":null,"spread":false},{"title":"1648365729310.gif <span style='color:#111;'> 160.01KB </span>","children":null,"spread":false},{"title":"2.png <span style='color:#111;'> 97.97KB </span>","children":null,"spread":false},{"title":"4.png <span style='color:#111;'> 90.79KB </span>","children":null,"spread":false},{"title":"3.png <span style='color:#111;'> 100.93KB </span>","children":null,"spread":false}],"spread":true},{"title":"res.qrc <span style='color:#111;'> 243B </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 365B </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 398B </span>","children":null,"spread":false},{"title":"17qtproject.pro <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false},{"title":"17qtproject.pro.user <span style='color:#111;'> 21.84KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'> 2.55KB </span>","children":null,"spread":false},{"title":"widget.cpp.autosave <span style='color:#111;'> 2.57KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]