A kerning pair is a technical issue for optical reasons.
字距配对(kerning pair)是一种因视觉需要而做的技术处理。
A kerning pair can technically be implemented in a digital font file.
在技术上间距对可以应用在字体文件上。
In the sketch you only see some examples where the kerning pair is negative; reducing space.
图中只出现了字距配对为负的例子——缩减空间。
But you can also imagine a positive kerning pair when a 'f' is followed by a bracket for example; "f".
但你可以想象一个字距配对为正的例子：一个小写f后跟随一个括号，例如：“f”。
Adding kerning to the basic text rendering algorithm is easy: When a kerning pair is found, simply add the scaled kerning distance to the pen position before step 4.
在基本文本渲染算法上增加字距调整非常简单，当一个字距调整对发现了，简单地在第4步前，将缩放后的调整距离增加到笔位置即可。
Adding kerning to the basic text rendering algorithm is easy: When a kerning pair is found, simply add the scaled kerning distance to the pen position before step 4.
在基本文本渲染算法上增加字距调整非常简单，当一个字距调整对发现了，简单地在第4步前，将缩放后的调整距离增加到笔位置即可。
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