swift-一个简洁的小画板可以画双箭头单箭头涂鸦等还可以编辑和撤销

[{"title":"（ 19 个子文件 1.72MB ） swift-一个简洁的小画板可以画双箭头单箭头涂鸦等还可以编辑和撤销","children":[{"title":"JVDrawingBoard-master","children":[{"title":".gitignore <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"LICENSE <span style='color:#111;'> 1.04KB </span>","children":null,"spread":false},{"title":"README.md <span style='color:#111;'> 2.44KB </span>","children":null,"spread":false},{"title":"JVDrawingBoard","children":[{"title":"main.m <span style='color:#111;'> 337B </span>","children":null,"spread":false},{"title":"ViewController.m <span style='color:#111;'> 3.48KB </span>","children":null,"spread":false},{"title":"AppDelegate.h <span style='color:#111;'> 280B </span>","children":null,"spread":false},{"title":"Info.plist <span style='color:#111;'> 1.53KB </span>","children":null,"spread":false},{"title":"AppDelegate.m <span style='color:#111;'> 1.99KB </span>","children":null,"spread":false},{"title":"JVDrawing","children":[{"title":"JVDrawingLayer.h <span style='color:#111;'> 1.58KB </span>","children":null,"spread":false},{"title":"JVDrawingView.m <span style='color:#111;'> 4.24KB </span>","children":null,"spread":false},{"title":"JVDrawingLayer.m <span style='color:#111;'> 16.30KB </span>","children":null,"spread":false},{"title":"JVDrawingView.h <span style='color:#111;'> 379B </span>","children":null,"spread":false}],"spread":true},{"title":"ViewController.h <span style='color:#111;'> 218B </span>","children":null,"spread":false},{"title":"Base.lproj","children":[{"title":"LaunchScreen.storyboard <span style='color:#111;'> 1.70KB </span>","children":null,"spread":false},{"title":"Main.storyboard <span style='color:#111;'> 1.65KB </span>","children":null,"spread":false}],"spread":true},{"title":"Assets.xcassets","children":[{"title":"AppIcon.appiconset","children":[{"title":"Contents.json <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true},{"title":"JVDrawingBoard.xcodeproj","children":[{"title":"project.xcworkspace","children":[{"title":"contents.xcworkspacedata <span style='color:#111;'> 159B </span>","children":null,"spread":false}],"spread":true},{"title":"project.pbxproj <span style='color:#111;'> 13.48KB </span>","children":null,"spread":false}],"spread":true},{"title":"gif","children":[{"title":"2017-05-05 09.57.45.gif <span style='color:#111;'> 1.75MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]