change dither to quantize

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Gordon Shumway 2019-08-27 19:26:38 -04:00 committed by GitHub
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@ -103,7 +103,8 @@ img --bg <0-99> <url> (set a background color)
img --fg <0-99> <url> (set a foreground color)
img --fast <url> (use Euclidean color difference.)
img --slow <url> (use cie2000 color difference. best quality, default)
img --dither <url> (dither source image to 256 colors. trades off quality for speed)
img --quantize <url> (quantize source image to 256 colors. trades off quality for speed)
img --no-quantize <url> (don't quantize source to 256 colors)
```
Here are some images using 99 color default output:
![Image of Img Command Output](https://i.imgur.com/33tCGXC.png)<br>