ImageEditorController class - image_editor_controller library

Constructors

ImageEditorController({required Image image, ImageEditorConfig config = const ImageEditorConfig()}): 构造函数，需要传入一个初始图片

Properties

activeDragHandle → DragHandlePosition?: no setter
activeTool → EditToolsMenu: no setter
canResetToOriginal → bool: 检查是否可以完全撤销（是否与原始状态不同）
no setter
canUndo → bool: 检查是否可以回退（是否有历史记录）
no setter
canvasSize → Size?: no setter
config → ImageEditorConfig: final
cropRect → Rect?: no setter
currentRotationAngle → double: no setter
handleVisualSize → double: final
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: Whether any listeners are currently registered.
no setterinherited
image → Image: no setter
isBusy → bool: no setter
isCropFeatureEnabled → bool: no setter
isCroppingActive → bool: no setter
isFixedRotateEnabled → bool: 是否启用固定角度旋转功能
no setter
isFreeRotateEnabled → bool: 是否启用自由旋转功能
no setter
isRotateFeatureEnabled → bool: no setter
isSingleToolMode → bool: 判断是否处于单一工具模式（由 config.lockToTool 决定）
no setter
isTextFeatureEnabled → bool: no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
scale → double: no setter
selectedTextLayerId → String?: no setter
textLayers → List<TextLayerData>: no setter
translateX → double: no setter
translateY → double: no setter

Methods

addListener(VoidCallback listener) → void: Register a closure to be called when the object changes.
inherited
applyCurrentTool() → Future<void>: 应用当前工具的修改
cancelCurrentTool() → void: 取消当前工具的修改
clearTextSelection() → void: 清除文本选择
convertLockModeToTool(LockToTool lockMode) → EditToolsMenu
deleteSelectedTextLayer() → void: 删除选中的文本图层
dispose() → void: Discards any resources used by the object.
inherited
exportImage() → Future<Image?>
getDeleteButtonBounds(TextLayerData layer) → Rect: 新增 获取指定图层的删除按钮边界框（用于绘制）
getTextLayerBounds(TextLayerData layer) → Rect: 新增 获取指定图层的边界框（用于绘制）
isClickOnDeleteButton(Offset tapPosition) → bool: 优化 检查点击位置是否在文本图层删除按钮区域内删除按钮位于选择框左上角，大小为 20x20
isToolEnabled(EditToolsMenu tool) → bool
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void: Call all the registered listeners.
inherited
onScaleEnd(ScaleEndDetails details) → void
onScaleStart(ScaleStartDetails details) → void
onScaleUpdate(ScaleUpdateDetails details) → void
onTapDown(TapDownDetails details) → void
removeListener(VoidCallback listener) → void: Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
resetToOriginal() → void: 完全撤销：重置到原始图片和初始状态
resetTransformations({Image? newImage}) → void: 重置所有变换状态，通常在替换图片或完成裁剪后调用
rotate(double degrees) → void: 旋转图片（按指定角度）
selectCropTool(EditToolsMenu tool, {double? aspectRatio}) → void: 选择特定的裁剪工具（带宽高比）
selectTextLayerAt(Offset tapPosition) → bool: 根据点击位置选择文本图层，返回是否命中
selectTool(EditToolsMenu tool) → void: 切换主工具
setCanvasSize(Size size) → void: UI层在布局完成后需要调用此方法设置画布尺寸
toString() → String: A string representation of this object.
inherited
undoLastOperation() → void: 回退：撤销最后一次应用的操作
updateEditingText(String text) → void
updateFreeRotation(double degrees) → void: @param degrees - 从滑块传来的角度值 (-45 to +45)
updateSelectedTextColor(Color color) → void: 更新选中图层的颜色
updateSelectedTextSize(double size) → void: 更新选中图层的大小

Operators

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