This enumeration identifies attributes of ruler annotations.

Values:

IG_ARTX_ATTR_RULER_BOUNDS	Identifies annotation bounding rectangle. This is read-only property.
IG_ARTX_ATTR_RULER_OPACITY	Identifies annotation opacity.
IG_ARTX_ATTR_RULER_LINE	Identifies attributes of line used to draw annotation.
IG_ARTX_ATTR_RULER_ASPECTRATIO	Identifies attributes of annotation aspect ratio.
IG_ARTX_ATTR_RULER_STARTPOINT	Identifies start point of ruler.
IG_ARTX_ATTR_RULER_ENDPOINT	Identifies end point of ruler.
IG_ARTX_ATTR_RULER_STARTLINE_LENGTH	Identifies length of touch at start point of ruler.
IG_ARTX_ATTR_RULER_ENDLINE_LENGTH	Identifies length of touch at end point of ruler.
IG_ARTX_ATTR_RULER_PRECISION	Identifies precision of ruler length displayed.
IG_ARTX_ATTR_RULER_LABEL	Identifies text used for ruler label.
IG_ARTX_ATTR_RULER_FONT	Identifies attributes of annotation font. Font is specified as AT_ARTX_FONT structure.
IG_ARTX_ATTR_RULER_LOGFONT	Identifies attributes of annotation font. Font is specified as AT_LOGFONT structure.
IG_ARTX_ATTR_RULER_HITTEST_BOUNDS	This value has been deprecated and will be removed from the public API in a future release.