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Colors hack
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| #!/usr/bin/sh | |
| image="${1}" | |
| sz="100px" | |
| for space in sRGB RGB HSV LAB | |
| do | |
| # I think it should be possible to do this without | |
| # writing | |
| # tiff-images to disk in-between -- but having a | |
| # look at the | |
| # resulting images next to the original is | |
| # actually quite nice | |
| # gives some idea of the differences | |
| # colorspace makes: | |
| convert "${image}" -quantize "${space}" +dither -colors 4 "${image}_${space}.tiff" | |
| echo "Histogram in ${space} colorspace:" | |
| convert "${image}_${space}.tiff" -format %c histogram:info:- | tee ${space}.txt | |
| echo | |
| done | |
| colortable() | |
| { | |
| my_space="${1}" | |
| echo "${my_space}:" | |
| echo '<table><tr>' | |
| sed -nre 's/.*(#[0-9A-F]{6}) .*/\1/p' "${my_space}.txt" | while read color | |
| do | |
| echo "<td style='width:${sz};height:${sz};background:${color}'> </td>" | |
| done | |
| echo '</tr></table>' | |
| } | |
| htmlhead() | |
| { | |
| cat > index.html <<eof | |
| <html> | |
| <pre> | |
| <img src="./${image}" /> | |
| eof | |
| } | |
| middle() | |
| { | |
| for space in sRGB RGB HSV LAB | |
| do | |
| colortable "${space}" >> index.html | |
| done | |
| } | |
| htmlepiloge() | |
| { | |
| cat >> index.html <<eof | |
| </pre> | |
| </html> | |
| eof | |
| } | |
| htmlhead | |
| middle | |
| htmlepiloge |
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| <html> | |
| <style> | |
| body { | |
| background: black; | |
| color: white; | |
| } | |
| td { | |
| width: 100px; | |
| height: 100px; | |
| } | |
| </style> | |
| <pre> | |
| <img src="https://gist.githubusercontent.com/e12e/7990e56f48ceff5506d7/raw/e9f5bd9ac442637d845aebb67a0a4f8b7658ec3a/akira.jpg" /> | |
| sRGB: | |
| <table><tr> | |
| </tr></table> | |
| RGB: | |
| <table><tr> | |
| <td style='background:#2D2833'> </td> | |
| <td style='background:#5D5664'> </td> | |
| <td style='background:#8B777C'> </td> | |
| <td style='background:#DA7D4A'> </td> | |
| </tr></table> | |
| HSV: | |
| <table><tr> | |
| <td style='background:#1E0D33'> </td> | |
| <td style='background:#383450'> </td> | |
| <td style='background:#3C1F0A'> </td> | |
| <td style='background:#4E9B57'> </td> | |
| </tr></table> | |
| LAB: | |
| <table><tr> | |
| <td style='background:#2A293C'> </td> | |
| <td style='background:#334857'> </td> | |
| <td style='background:#58211B'> </td> | |
| <td style='background:#977559'> </td> | |
| </tr></table> | |
| </pre> | |
| </html> |
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