图像分为两类：位图和矢量图。

The two types of images are: bitmap and vector.

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Flash 8进一步扩展了ActionScript 2，添加了新的类库以及用于在运行时控制位图数据和文件上传的API。

Flash 8 further extended ActionScript 2 by adding new class libraries with APIs for controlling bitmap data at runtime and file upload.

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这个类提供了截图、将位图转换成各种格式、比较两个MonkeyImage对象以及写图像到文件的方法。

This class provides methods for capturing screens, converting bitmap images to various formats, comparing two MonkeyImage objects, and writing an image to a file.

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