Add normalize() for simple histogram stretching

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Available as normalize() or normalise().
Normalization takes place in LAB place and thus should not change any
colors.

Existing alpha channels are preserved untouched by normalization.

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This commit is contained in:

Bernhard K. Weisshuhn

2015-04-16 19:04:33 +02:00

parent ba034a8164

commit dce36e0074

9 changed files with 240 additions and 3 deletions

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