ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > ART Component API Reference > ART Component Functions Reference > Rotation Functions > ART_rotation_angle_set

This function determines the angle (in degrees) that an annotation rotates.


Copy Code
AT_ERRCOUNT ART_rotation_angle_set (
        HIGEAR hIGear,
        DWORD dwAngle


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++.


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


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

Is this page helpful?
Yes No
Thanks for your feedback.