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slyrus / opticl

An image processing library for Common Lisp
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Allow to write ASCII PNMs into string streams, add Guo-Hall thinning #36

Closed varjagg closed 3 years ago

varjagg commented 3 years ago

Introducing %emit-byte/integer intermediate functions to allow both string and binary stream destinations.

varjagg commented 3 years ago

adding Guo-Hall thinning for 8-bit grayscale