sourceRect
This key specifies that the display stream only samples a subset of the display’s framebuffer.
Declaration
class let sourceRect: CFStringDiscussion
If this key is not included in the dictionary, then the entire display is streamed. The value must be created using the CGRectCreateDictionaryRepresentation(_:) function. The rectangle is specified in points in the display’s logical coordinate system.
See Also
Constants
colorSpaceconversionBlackPointCompensationkCGDisplayBitsPerPixelkCGDisplayBitsPerSamplekCGDisplayBlendNormalkCGDisplayBlendSolidColorkCGDisplayBytesPerRowkCGDisplayFadeReservationInvalidTokenkCGDisplayHeightkCGDisplayIOFlagskCGDisplayModekCGDisplayModeIsInterlacedkCGDisplayModeIsSafeForHardwarekCGDisplayModeIsStretchedkCGDisplayModeIsTelevisionOutput