Add new nullable
functions that support null values in jimp
#17
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In order to communicate the difference between an error and encountering
null
, I introduced aJimp_Result
enumeration. Since JIMP_ERR is 0, users can still use theif (!jimp_xxx(&jimp, &xx) return false;
paradigm. If they want to handle null cases explicitly, they can introduce that complexity when they desire. Since handling null cases, in my opinion, is very application specific I think the library user should be expected to handle that andjimp
should only alert the user when a null value is found.