PrettyQrDecorationImage class
An image for a QR decoration.
- Inheritance
-
- Object
- DecorationImage
- PrettyQrDecorationImage
- Annotations
Constructors
-
PrettyQrDecorationImage({required ImageProvider<
Object> image, double scale = 0.2, ImageErrorListener? onError, ColorFilter? colorFilter, BoxFit? fit, ImageRepeat repeat = ImageRepeat.noRepeat, bool matchTextDirection = false, double opacity = 1.0, FilterQuality filterQuality = FilterQuality.low, bool invertColors = false, bool isAntiAlias = false, EdgeInsetsGeometry padding = EdgeInsets.zero, PrettyQrDecorationImagePosition position = PrettyQrDecorationImagePosition.embedded}) -
Creates an image to show into QR code.
const
Properties
- alignment → AlignmentGeometry
-
How to align the image within its bounds.
finalinherited
- centerSlice → Rect?
-
The center slice for a nine-patch image.
finalinherited
- colorFilter → ColorFilter?
-
A color filter to apply to the image before painting it.
finalinherited
- filterQuality → FilterQuality
-
Used to set the filterQuality of the image.
finalinherited
- fit → BoxFit?
-
How the image should be inscribed into the box.
finalinherited
- hashCode → int
-
The hash code for this object.
no setteroverride
-
image
→ ImageProvider<
Object> -
The image to be painted into the decoration.
finalinherited
- invertColors → bool
-
Whether the colors of the image are inverted when drawn.
finalinherited
- isAntiAlias → bool
-
Whether to paint the image with anti-aliasing.
finalinherited
- matchTextDirection → bool
-
Whether to paint the image in the direction of the TextDirection.
finalinherited
- onError → ImageErrorListener?
-
An optional error callback for errors emitted when loading image.
finalinherited
- opacity → double
-
If non-null, the value is multiplied with the opacity of each image
pixel before painting onto the canvas.
finalinherited
- padding → EdgeInsetsGeometry
-
The padding for the QR image.
final
- position → PrettyQrDecorationImagePosition
-
Where to paint a image decoration.
final
- repeat → ImageRepeat
-
How to paint any portions of the box that would not otherwise be covered
by the image.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scale → double
-
Defines image pixels to be shown per logical pixels.
finalinherited
Methods
-
copyWith(
{ImageProvider< Object> ? image, double? scale, ImageErrorListener? onError, ColorFilter? colorFilter, BoxFit? fit, ImageRepeat? repeat, bool? matchTextDirection, double? opacity, FilterQuality? filterQuality, bool? invertColors, bool? isAntiAlias, EdgeInsetsGeometry? padding, PrettyQrDecorationImagePosition? position}) → PrettyQrDecorationImage - Creates a copy of this PrettyQrDecorationImage but with the given fields replaced with the new values.
-
createPainter(
VoidCallback onChanged) → DecorationImagePainter -
Creates a DecorationImagePainter for this DecorationImage.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override
Static Methods
-
lerp(
PrettyQrDecorationImage? a, PrettyQrDecorationImage? b, double t) → PrettyQrDecorationImage? -
Linearly interpolates between two PrettyQrDecorationImages.
override