本文提供的代码是相对简单的、使用GD的图像处理算法。

The code presented here is a relatively simple image processing algorithm using GD.

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最简单的情况就是处理图像。

In the simple case, this is an image.

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多媒体或图像处理应用如GIMP或GIMP插件是这类常被简单称作“硬件加速”优化的最佳候选。

Multimedia or image processing applications like GIMP or GIMP plugins are perfect candidates for this optimisation that is often just called "hardware acceleration".

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