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Thread: [C++][Alchemy][F10]Faster ways to clear a bitmap?

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  1. #5
    Thanks Unknownguy.
    This could actually work. Especially if I want to clear my array to 0.
    Even if I use char(byte) I can still set every byte to 0, thereby clearing all my pixels to a 100% transparent black.
    Will definitely work for a clear to transparent black, which is mainly what I use.

    Will do my own tests with this function.

    Wonder what that function actually does though. Accesses some even low level commands than C?

    Edit
    --------
    Just did a test and the memset is actually drastically slowing down my program. And it's setting a pretty large chunk of memory. A 250000 long int array. According to the doc testing, the larger the array, the more speed gained when using memset, instead of a for loop. But I'm getting really slow results.


    -TariqM
    Last edited by tariqm; 01-04-2009 at 09:58 PM.

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