stack_art_board

Description:

stack art board

Stack Art Board #
A Flutter package consisting of stacks that allows adding any widgets, and enables editing, deleting, and changing the order of layers.




For a more throughout example see the example.
video

How to Use #
Getting started #
In the pubspec.yaml of your flutter project, add the following dependency:
dependencies:
...
stack_art_board: <latest_version>
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In your library add the following import:
import 'package:stack_art_board/stack_art_board.dart';
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For help getting started with Flutter, view the online documentation.
Initialize a StackArtboard #
import 'package:stack_art_board/stack_art_board.dart';

final StackArtBoardController controller = StackArtBoardController();

StackArtBoard(
stackArtBoardKey: UniqueKey(),
controller: controller,
artBoardConfig: ArtBoardConfig(
containerSize: const Size(300, 300),
artBoardSize: const Size(3000, 3000),
toolIconWidth: 20,
borderWidth: 5,
borderColor: Colors.black,
rotateWidget: Container(color: Colors.orange),
deleteWidget: Container(color: Colors.purple),
),
background: Container(color: Colors.green),
),
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Add a custom Widget #
controller.add(
CustomCanvasItem(
child: Container(
color: Colors.red,
child: const Center(
child: Text('text'),
),
),
canvasConfig: CanvasConfig(
size: const Size(600, 600),
transform: Matrix4.identity(),
allowUserInteraction: true,
),
),
);
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Add an Image widget with the ability to penetrate click events through transparent areas of the image. #
final ByteData data = await rootBundle.load('assets/image.png');
final imageBytes = data.buffer.asUint8List();
final image = img_lib.decodeImage(imageBytes);
if (image == null) return;
controller.add(
TransparentBgImageCanvasItem(
image: image,
imageBytes: imageBytes,
canvasConfig: CanvasConfig(
size: Size(image.width.toDouble(), image.height.toDouble()),
transform: Matrix4.identity(),
allowUserInteraction: true,
),
),
);
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All canvas operations #
void add<T extends CanvasItem>(T item)
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void insert<T extends CanvasItem>(T item, int index)
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void remove(Key key)
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void removeExcept(Key key)
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bool contain(Key key)
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void clear()
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void moveToTop()
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void moveToBottom()
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void move(int oldIndex, int newIndex)
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void reset()
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void dispose()
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Sponsoring #
I'm working on my packages on my free-time, but I don't have as much time as I would. If this package or any other package I created is helping you, please consider to sponsor me so that I can take time to read the issues, fix bugs, merge pull requests and add features to these packages.

Contributions #
Feel free to contribute to this project.
If you find a bug or want a feature, but don't know how to fix/implement it, please fill an issue.
If you fixed a bug or implemented a feature, please send a pull request.