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Fix 256 colour example (#175)

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* Fix 256 colour example

* Fix 256 colour example
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JT 2022-03-09 12:54:02 -05:00 • committed by GitHub
parent 400b985671
commit 5012cb44a3
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1 changed files with 3 additions and 9 deletions
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12
coloring/256_color_testpattern.nu
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@ -20,12 +20,6 @@ def contrast_colour [ colour:int ] {
let g = (($colour - 16) mod 36) / 6 let g = (($colour - 16) mod 36) / 6
let b = ($colour - 16) mod 6 let b = ($colour - 16) mod 6
# if $g > 2 {
# 0
# } {
# 15
# }
let luminance = ($r * 299) + ($g * 587) + ($b * 114) let luminance = ($r * 299) + ($g * 587) + ($b * 114)
if $luminance > 2500 { if $luminance > 2500 {
0 0
@ -65,11 +59,11 @@ def print_blocks [start:int, end:int, block-cols:int, block-rows:int, blocks-per
print_run ($start + $block * $block-length + $row * $block-cols + $i * $block-length * $blocks-per-line) $block-cols print_run ($start + $block * $block-length + $row * $block-cols + $i * $block-length * $blocks-per-line) $block-cols
} | append (char nl) | str collect } | append (char nl) | str collect
} | str collect } | str collect
# char nl
} | str collect } | str collect
} }
print_run 0 16 # The first 16 colours are spread over the whole spectrum print_run 0 16 # The first 16 colours are spread over the whole spectrum
char nl print "" # Single line
print_blocks 16 231 6 6 3 # 6x6x6 colour cube between 16 and 231 inclusive print_blocks 16 123 6 6 3 # 6x6x6 colour cube between 16 and 123 inclusive
print_blocks 124 231 6 6 3 # 6x6x6 colour cube between 124 and 231 inclusive
print_blocks 232 255 12 2 1 # Not 50, but 24 Shades of Grey print_blocks 232 255 12 2 1 # Not 50, but 24 Shades of Grey