Canvas
Dart lacks something like Raphaël.js[19] that eases some of the pain associated with working with the <canvas> element. Even so, it brings its own Darty take on the staple of HTML5 games everywhere.
As with traditional canvas, Dart still requires a <canvas> element and a corresponding drawing context. If the page already has a <canvas> element, we obtain a drawing context with the getContext method.
| | CanvasElement canvas = document.query('canvas'); |
| | CanvasRenderingContext2D context = canvas.getContext('2d'); |
Given the context, we can draw all sorts of wonderful things. For example, we can draw an empty, white rectangle on the entire canvas as a backdrop.
| | int width = context.canvas.width, height = context.canvas.height; |
| | // start ... |
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