层缩放后与之相关的线重画
Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
添加组件删除时候的小圆点
Merge branch 'feature/linecom' into dev
Merge branch 'sx_func' of https://github.com/lln7777/zhuyun into dev
添加删除线条的入口，以及删除线条
Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
Merge branch 'sx_func' of https://github.com/lln7777/zhuyun into dev
修正线条小圆点的样式
Merge branch 'feature/fixcircle' into dev
Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
改线条的颜色
Merge branch 'feature/linecolor' into dev
不填充线条
Merge branch 'dev' of https://github.com/lln7777/zhuyun into sx_func
拖动完成后取消选中状态
fix 拖动的bug
层和组件有连线，拖动时不可将组件拖进层中。
画布拖动智能放大缩小
Merge branch 'feature/draglayer' into dev