StaggerTextWaterMarkPainter class
交错文本水印画笔,可以在水平或垂直方向上组合两个文本水印, 通过给第二个文本水印指定不同的 padding 来实现交错效果。
- Inheritance
-
- Object
- WaterMarkPainter
- StaggerTextWaterMarkPainter
Constructors
- StaggerTextWaterMarkPainter({required String text, String? text2, EdgeInsets? padding1, EdgeInsets padding2 = const EdgeInsets.all(30), double? rotate, TextStyle? textStyle, Axis staggerAxis = Axis.vertical, TextDirection textDirection = TextDirection.ltr})
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- padding1 ↔ EdgeInsets?
-
getter/setter pair
- padding2 ↔ EdgeInsets
-
getter/setter pair
- rotate ↔ double?
-
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- staggerAxis ↔ Axis
-
getter/setter pair
- text ↔ String
-
getter/setter pair
- text2 ↔ String
-
getter/setter pair
- textDirection ↔ TextDirection
-
getter/setter pair
- textStyle ↔ TextStyle?
-
getter/setter pair
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
paintUnit(
Canvas canvas, double devicePixelRatio) → Size -
绘制"单元水印",完整的水印是由单元水印重复平铺组成,返回值为"单元水印"占用空间的大小。
devicePixelRatio
: 因为最终要将绘制内容保存为图片,所以在绘制时需要根据屏幕的 DPR来放大,以防止失真override -
shouldRepaint(
covariant StaggerTextWaterMarkPainter oldPainter) → bool -
是否需要重绘
override
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited