DrawingController class - flutter_drawing_board library

Constructors

DrawingController({DrawConfig? config, PaintContent? content})

Properties

couldDraw → bool: 能否进行绘制
no setter
currentContent ↔ PaintContent?: 当前绘制内容
getter/setter pair
currentIndex → int: 获取当前步骤索引
no setter
drawConfig ↔ SafeValueNotifier<DrawConfig>: 控制器
getter/setter pair
getColor → Color: 获取当前颜色
no setter
getHistory → List<PaintContent>: 获取绘制图层/历史
no setter
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: Whether any listeners are currently registered.
no setterinherited
painter ↔ RePaintNotifier?: 表层画布刷新控制
getter/setter pair
painterKey ↔ GlobalKey<State<StatefulWidget>>: 画板数据Key
getter/setter pair
realPainter ↔ RePaintNotifier?: 底层画布刷新控制
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
startPoint → Offset?: 开始绘制点
no setter

Methods

addContent(PaintContent content) → void: 添加一条绘制数据
addContents(List<PaintContent> contents) → void: 添加多条数据
addFingerCount(Offset offset) → void: 手指落下
addListener(VoidCallback listener) → void: Register a closure to be called when the object changes.
inherited
cancelDraw() → void: 取消绘制
canRedo() → bool: Check if redo is available. Returns true if possible.
canUndo() → bool: Check if undo is available. Returns true if possible.
clear() → void: 清理画布
dispose() → void: 销毁控制器
override
drawing(Offset nowPaint) → void: 正在绘制
endDraw() → void: 结束绘制
getImageData() → Future<ByteData?>: 获取图片数据
getJsonList() → List<Map<String, dynamic>>: 获取画板内容Json
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void: Call all the registered listeners.
inherited
redo() → void: 重做
reduceFingerCount(Offset offset) → void: 手指抬起
removeListener(VoidCallback listener) → void: Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
setBoardSize(Size? size) → void: 设置画板大小
setPaintContent(PaintContent content) → void: 设置绘制内容
setStyle({BlendMode? blendMode, Color? color, ColorFilter? colorFilter, FilterQuality? filterQuality, ImageFilter? imageFilter, bool? invertColors, bool? isAntiAlias, MaskFilter? maskFilter, Shader? shader, StrokeCap? strokeCap, StrokeJoin? strokeJoin, double? strokeMiterLimit, double? strokeWidth, PaintingStyle? style}) → void: 设置绘制样式
startDraw(Offset startPoint) → void: 开始绘制
toString() → String: A string representation of this object.
inherited
turn() → void: 旋转画布

设置角度
undo() → void: 撤销

Operators

operator ==(Object other) → bool: The equality operator.
inherited