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# Images for Sixel tests
The files in this directory are used to test the Sixel parser against images
generated by real-world software:
* `testimage_im6.sixel`
Generated with ImageMagick 6.9.10.
```bash
convert "$SOURCE" testimage_im6.sixel
```
* `testimage_libsixel.sixel`
Generated with libsixel 1.8.6.
```bash
img2sixel -o testimage_libsixel.sixel "$SOURCE"
```
* `testimage_ppmtosixel.sixel`
Generated with Netpbm 10.
```bash
pngtopnm "$SOURCE" \
| ppmquant 256 \
| ppmtosixel \
> testimage_ppmtosixel.sixel
```
In the previous commands, `$SOURCE` is defined as:
SOURCE="$(git rev-parse --show-toplevel)/alacritty/alacritty.png"
The image is the [Alacritty icon](../../../extra/logo/compat/alacritty-term.png).
To verify the results of the parser we include the raw RGBA data for each
image. It was generated with this script:
```bash
for IMG in *.sixel
do
convert "$IMG" png:- | convert -depth 8 png:- rgba:"${IMG/.sixel/.rgba}"
done
```
We have to convert the Sixel to PNG before RGBA because, for some reason,
ImageMagick can't transform from Sixel to RGBA directly.
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