ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / ART Component API Reference / ART Component Functions Reference / Rotation Functions / ART_rotation_angle_set
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    ART_rotation_angle_set
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    This function determines the angle (in degrees) that an annotation rotates.

    Declaration:

     
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    AT_ERRCOUNT ART_rotation_angle_set (
            HIGEAR hIGear,
            DWORD dwAngle
    );
    

    Arguments:

    Name Type Description
    hIGear HIGEAR HIGEAR handle to the image.
    dwAngle DWORD The angle at which to rotate.

    Return Value:

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

    Supported Raster Image Formats:

    All pixel formats supported by ImageGear for C and C++.

    Sample:

    None

    Example:

     
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    HIGEAR hIGear;   /* HIGEAR handle of Image  */
    AT_ERRCOUNT nErrCount; /* Tally of IG errors on stack  */
    nErrCount = ART_rotation_angle_set (hIGear,90);
    

    Remarks:

    Valid values are 0, 90, 180, 270. The default is 0. Any other value (not 0, 90, 180, 270) is interpreted as 0.