canvas_view 1.0.0

A two dimensional scrollable Canvas

CanvasView

CanvasView is a Flutter widget that provides a bidirectional scrolling container for displaying multiple positioned widgets. It's designed to efficiently render and manage a large number of child components while allowing smooth panning and interaction.

Features

• Bidirectional Scrolling: Navigate freely in both horizontal and vertical directions.
• Custom Positioning: Precisely place widgets at any coordinate within the canvas.
• Efficient Rendering: Optimized for handling multiple widgets with performance in mind.

Example

Usage

A simple example of how to use CanvasView:

CanvasView(
  diagonalDragBehavior: DiagonalDragBehavior.free,
  delegate: CanvasChildDelegate(children: children),
)

Where children is a list of CanvasComponent:

final List<CanvasComponent> children = [
  CanvasComponent(
    id: 'widget1',
    position: Offset(100, 200),
    widget: YourCustomWidget(),
  ),
];

Use Cases

• Infinite canvas applications
• Custom diagram builders
• Interactive maps
• Flowchart editors

License

This package is distributed under the MIT License.