用这三个方法，你就有在各种情况下快速阅览的多种好选择了。

Using these three methods, you have some good options for quickly viewing your image at various stages.

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我们还重构了代码，将这三个操作作为字段（而不是局部变量），这样我们就可以用三种方法来访问它们。

We also refactor the code to have all three actions as fields (rather than local variables) so we can access them from three methods. Let's see the final version of Explorer (Listing 10).

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