TAG_RESOLUTION_UNIT top-level constant
String
const TAG_RESOLUTION_UNIT
The unit for measuring TAG_X_RESOLUTION and TAG_Y_RESOLUTION. The same unit is used for both TAG_X_RESOLUTION and TAG_Y_RESOLUTION. If the image resolution is unknown, RESOLUTION_UNIT_INCHES shall be designated.
Implementation
const String TAG_RESOLUTION_UNIT = "ResolutionUnit";