QuadAnnotatorBox class

四边形标注组件 支持在图片上绘制和编辑四边形区域

Inheritance

Constructors

QuadAnnotatorBox({Key? key, required Image? image, double? width, double? height, QuadAnnotatorController? controller, QuadAnnotation? rectangle, OnVerticesChanged? onVerticesChanged, OnVertexDragStart? onVertexDragStart, OnVertexDragEnd? onVertexDragEnd, OnEdgeDragStart? onEdgeDragStart, OnEdgeDragEnd? onEdgeDragEnd, VoidCallback? onTutorialCompleted, Color backgroundColor = Colors.transparent, Color borderColor = Colors.white, Color errorColor = Colors.red, Color fillColor = Colors.transparent, Color vertexColor = Colors.white, Color highlightColor = Colors.green, double vertexRadius = 8.0, double borderWidth = 2.0, Color maskColor = Colors.transparent, BreathingAnimation breathing = const BreathingAnimation(), MagnifierConfiguration magnifier = const MagnifierConfiguration(), bool autoDetect = true, bool preview = false, bool allowEdgeDrag = true, FineAdjustmentConfiguration? fineAdjustment = const FineAdjustmentConfiguration(), TutorialConfiguration? tutorial})
基础构造函数，直接接收ui.Image对象
const
QuadAnnotatorBox.fromProvider({Key? key, required ImageProvider<Object>? imageProvider, double? width, double? height, QuadAnnotatorController? controller, QuadAnnotation? rectangle, OnVerticesChanged? onVerticesChanged, OnVertexDragStart? onVertexDragStart, OnVertexDragEnd? onVertexDragEnd, OnEdgeDragStart? onEdgeDragStart, OnEdgeDragEnd? onEdgeDragEnd, VoidCallback? onTutorialCompleted, Color backgroundColor = Colors.transparent, Color borderColor = Colors.white, Color errorColor = Colors.red, Color fillColor = Colors.transparent, Color vertexColor = Colors.white, Color highlightColor = Colors.green, double vertexRadius = 8.0, double borderWidth = 2.0, Color maskColor = Colors.transparent, BreathingAnimation breathing = const BreathingAnimation(), MagnifierConfiguration magnifier = const MagnifierConfiguration(), bool autoDetect = true, bool preview = false, bool allowEdgeDrag = true, FineAdjustmentConfiguration? fineAdjustment = const FineAdjustmentConfiguration(), TutorialConfiguration? tutorial})
从ImageProvider创建QuadAnnotatorBox的便捷构造函数
const

Properties

allowEdgeDrag → bool
是否允许拖动边框来移动整个四边形 当为 false 时，只能通过拖动顶点来调整四边形，不能拖动边框移动
final
autoDetect → bool
是否自动检测图片中的矩形 当为 true 时，如果没有提供初始矩形，会尝试自动检测图片中的矩形 当为 false 时，直接使用默认矩形，不进行自动检测
final
backgroundColor → Color
背景色
final
borderColor → Color
四边形线条颜色
final
borderWidth → double
边框宽度
final
breathing → BreathingAnimation
呼吸动画配置
final
controller → QuadAnnotatorController?
控制器，用于外部控制组件状态
final
errorColor → Color
四边形错误状态线条颜色（交叉时）
final
fillColor → Color
四边形填充颜色
final
fineAdjustment → FineAdjustmentConfiguration?
精调模式配置，传null则禁用精调模式
final
hashCode → int
The hash code for this object.
no setterinherited
height → double?
组件的高度（可选，如果不提供则自动适应父容器）
final
highlightColor → Color
高亮颜色（拖动时显示）
final
image → Image?
背景图片对象（用于显示和获取真实尺寸）
final
imageProvider → ImageProvider<Object>?
图片提供者（用于显示图片，可选）
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
magnifier → MagnifierConfiguration
放大镜配置
final
maskColor → Color
遮罩颜色（设置为透明色可关闭遮罩效果）
final
onEdgeDragEnd → OnEdgeDragEnd?
边拖动结束时的回调函数（传递图片坐标系中的位置）
final
onEdgeDragStart → OnEdgeDragEnd?
边拖动开始时的回调函数（传递图片坐标系中的位置）
final
onTutorialCompleted → VoidCallback?
引导完成或跳过时的回调函数
final
onVertexDragEnd → OnEdgeDragEnd?
顶点拖动结束时的回调函数（传递图片坐标系中的位置）
final
onVertexDragStart → OnEdgeDragEnd?
顶点拖动开始时的回调函数（传递图片坐标系中的位置）
final
onVerticesChanged → OnVerticesChanged?
顶点坐标变化时的回调函数
final
preview → bool
是否为预览模式 当为 true 时，禁止手势操作、禁用放大镜、禁止自动检测矩形
final
rectangle → QuadAnnotation?
初始矩形特征（图片真实坐标系），如果不提供则使用默认值
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
tutorial → TutorialConfiguration?
引导配置，传null则禁用引导功能
final
vertexColor → Color
顶点颜色
final
vertexRadius → double
顶点半径
final
width → double?
组件的宽度（可选，如果不提供则自动适应父容器）
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<QuadAnnotatorBox>
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

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