You define the fixed size of the canvas in the element itself, and then typically you do the actual drawing from a script that uses the canvas API to create visual objects on the canvas.

首先在元素本身中定义画布的固定大小，然后利用使用 canvas API 在画布上创建可视化对象的脚本来实际绘画。

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If the screen is resized or changes resolution, the Canvas will automatically change size to match this.

如果屏幕改变大小或者改变方案，这个画布将会自动改变尺寸匹配它。

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The canvas size and resolution on certain models of Macintosh computers can differ significantly from those of certain PC models, despite their Settings being the same.

尽管设置相同，某些型号Macintosh计算机的canvas大小和分辨率与一些型号的pc机也会有显著的不同。

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One by one, the hipsters arrived, and one by one they left shaking their heads - not just at the size of Picasso's enormous canvas - but also at the magnitude of his failure.

BBC: Too famous to see?

The painting was done on six pieces of canvas - five vertical and one horizontal - that were sewn together to reach the desired size.

BBC: Restored Caravaggio's Lazarus is shown in Rome

For example, the iPad offers a beautiful canvas for reading books, but the size and heft discourage the traditional curling-up with a page-turner.

ENGADGET: Editorial: Turning point for the tortoise and the hare