Dynamic bitmap graphics through the canvas element.

基于canvas元素的动态位图图像。

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The bitmaps I'll refer to in this tutorial are Windows bitmap graphics files.

我将在本课中涉及的就是位图文件。

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Similarly, soft references are also often used in GUI applications for caching bitmap graphics.

类似地，软引用也经常用于 GUI 应用程序中，用于缓存位图图形。

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Vector-based graphics based on mathematical lines and points rather than pre-created bitmap graphics, making it quicker to zoom in and out of an area.

BBC: Google Maps back on iPhone after Apple software fiasco

It loads much more quickly than the old iOS Google Maps app because it uses vector graphics instead of bitmap graphics, and it has turn-by-turn navigation which the old iOS Google Maps app did not have.

FORBES: Acknowledgement: Maps Wasn��t Apple��s Finest Hour.