Adds histogram support to 3 channels images

Finishes support for 3 channels images.
Adds a function allowing to extract only one desired channel
Updates the example to extract all channels.

Support for 16 and 32 bits images should be tested. 

Function for 3c to 1c to be added quickly!

Reported-by: Julien Lengrand-Lambert <julien@lengrand.fr>
Signed-off-by: Julien Lengrand-Lambert <julien@lengrand.fr>
This commit is contained in:
Julien Lengrand-Lambert
2011-12-19 14:40:58 +01:00
parent 1892bd6945
commit 3b2c8a9b84
16 changed files with 160 additions and 71 deletions

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