qt qml canvas 实时绘图

[{"title":"（ 14 个子文件 50KB ） qt qml canvas 实时绘图","children":[{"title":"myTest","children":[{"title":"content","children":[{"title":"images","children":[{"title":"wheel.png <span style='color:#111;'> 35.37KB </span>","children":null,"spread":false},{"title":"icon-left-arrow.png <span style='color:#111;'> 358B </span>","children":null,"spread":false},{"title":"wheel-touch.png <span style='color:#111;'> 4.66KB </span>","children":null,"spread":false}],"spread":true},{"title":"DataGenerate.qml <span style='color:#111;'> 360B </span>","children":null,"spread":false},{"title":"Button.qml <span style='color:#111;'> 2.50KB </span>","children":null,"spread":false},{"title":"test.qml <span style='color:#111;'> 3.43KB </span>","children":null,"spread":false},{"title":"CheckBox.qml <span style='color:#111;'> 2.78KB </span>","children":null,"spread":false},{"title":"AScanPlot.qml <span style='color:#111;'> 5.83KB </span>","children":null,"spread":false}],"spread":true},{"title":"main.qml <span style='color:#111;'> 2.30KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 262B </span>","children":null,"spread":false},{"title":"qml.qrc <span style='color:#111;'> 424B </span>","children":null,"spread":false},{"title":"myTest.pro <span style='color:#111;'> 261B </span>","children":null,"spread":false},{"title":"deployment.pri <span style='color:#111;'> 266B </span>","children":null,"spread":false},{"title":"myTest.pro.user <span style='color:#111;'> 23.29KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]