This enumeration identifies attributes of protractor annotations.

Values:

IG_ARTX_ATTR_PROTRACTOR_BOUNDS	Identifies annotation bounding rectangle. This is read-only property.
IG_ARTX_ATTR_PROTRACTOR_OPACITY	Identifies annotation opacity.
IG_ARTX_ATTR_PROTRACTOR_LINE	Identifies attributes of line used to draw annotation.
IG_ARTX_ATTR_PROTRACTOR_ASPECTRATIO	Identifies attributes of annotation aspect ratio.
IG_ARTX_ATTR_PROTRACTOR_STARTPOINT	Identifies start point of protractor.
IG_ARTX_ATTR_PROTRACTOR_ENDPOINT	Identifies end point of protractor.
IG_ARTX_ATTR_PROTRACTOR_HEADPOINT	Identifies head point of protractor.
IG_ARTX_ATTR_PROTRACTOR_ARCRADIUS	Identifies radius of arc drawn within protractor.
IG_ARTX_ATTR_PROTRACTOR_PRECISION	Identifies precision of protractor length displayed.
IG_ARTX_ATTR_PROTRACTOR_FONT	Identifies attributes of annotation font. Font is specified as AT_ARTX_FONT structure.
IG_ARTX_ATTR_PROTRACTOR_LOGFONT	Identifies attributes of annotation font. Font is specified as AT_LOGFONT structure.
IG_ARTX_ATTR_PROTRACTOR_HITTEST_BOUNDS	This value has been deprecated and will be removed from the public API in a future release.