TAG_SUBJECT_AREA top-level constant
String
const TAG_SUBJECT_AREA
This tag indicates the location and area of the main subject in the overall scene.
The subject location and area are defined by Count values as follows.
Count = 3 The area of the main subject is given as a circle. The circular area is
expressed as center coordinates and diameter. The first value is
the center X coordinate, the second is the center Y coordinate, and
the third is the diameter.
Count = 4 The area of the main subject is given as a rectangle. The rectangular
area is expressed as center coordinates and area dimensions. The first
value is the center X coordinate, the second is the center Y coordinate,
the third is the width of the area, and the fourth is the height of
the area.
Note that the coordinate values, width, and height are expressed in relation to the upper left as origin, prior to rotation processing as per TAG_ORIENTATION.
Implementation
const String TAG_SUBJECT_AREA = "SubjectArea";