ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Core Component API Reference / Core Component Functions Reference / Image Processing Functions / IG_IP_histo_clear
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    IG_IP_histo_clear
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    This function will clear an array of histogram bins.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_IP_histo_clear (
            LPDWORD lpHisto, 
            UINT nNumberOfBins 
    );
    

    Arguments:

    Name Type Description
    lpHisto LPDWORD Far pointer to an array of bins (each a DWORD) to be cleared.
    nNumberOfBins UINT Number of bins to clear.

    Return Value:

    Returns the number of ImageGear errors that occurred during this function call.

    Supported Raster Image Formats:

    This function does not process image pixels.

    Sample:

    Image Processing

    Example:

    See the example under the IG_IP_histo_tabulate() function.

    Remarks:

    Call this function prior to calling IG_IP_histo_tabulate(), unless you mean to accumulate onto existing contents of the bins.