frero/dithering-algorithms
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half-toning attempt

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Fredrik Robertsen
2025-09-21 18:11:00 +02:00
commit 4ccf565cb6
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# C ← (
# ⨬([0_0_0 0_0_0 0_0_0]
# | [0_0_0 0_0_0 0_0_1]
# | [1_0_0 0_0_0 0_0_1]
# | [1_0_0 0_0_0 1_0_1]
# | [1_0_0 0_1_0 1_0_1]
# | [1_0_1 0_1_0 1_0_1]
# | [1_0_1 0_1_0 1_1_1]
# | [1_0_1 0_1_1 1_1_1]
# | [1_0_1 1_1_1 1_1_1]
# | [1_1_1 1_1_1 1_1_1]
# ) ⌊×10
# ) ÷⊃⧻/+
C ← (
⨬([0_0 0_0]
| [0_0 0_1]
| [1_0 0_1]
| [1_0 1_1]
| [1_1 1_1]
) ⌊×5
) ÷⊃⧻/+
HalfTone ← (
↯△⟜(
△⟜(⊜C⊸(▽⟜≡▽2°△ ↙2 ⌈÷2△))
⊂∩(↯⍜⊢÷₂)⊃(⊙≡⊢|⊙≡⊣)
/⊟⊕∘⊸(◿2≡\+ ˜↯1△)
)
)
GrayScale ← ≡₁(÷⊃⧻/+)
AntiAlias ← ⧈₃(÷⊃⧻/+)
# gen 12_12_3 0
Cats
GrayScale
HalfTone
AntiAlias
# (▽⟜≡▽10)