Monkeybread Xojo (Real Studio) plugin - CGDisplayStreamUpdateMBS class

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CGDisplayStreamUpdateMBS class

Type	Topic	Plugin	Version	macOS	Windows	Linux	Console & Web	iOS
class	CoreGraphics	MBS MacCG Plugin	16.1	Yes	No	No	Yes, macOS only	No

Function: A single frame's extra metadata that describes useful frame delta information.
Notes: A CGDisplayStreamUpdate encapsulates information about what portions of a frame have changed relative to a previously delivered frame. This includes regions that were changed in any way, which ones were actually redrawn, and which regions were merely copied from one place to another.

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6 properties
- property CIImage as Variant
- property DeltaX as Double
- property DeltaY as Double
- property DropCount as Integer
- property Handle as Integer
- property IOSurfaceHandle as Integer
method getRects(type as Integer) as CGRectMBS()
4 constants

Rectangle Selectors

Constant	Value	Description
UpdateDirtyRects	2	The union of both refreshed and moved rects.
UpdateMovedRects	1	The rectangles that were simply moved from one part of the display to another
UpdateReducedDirtyRects	3	A possibly simplified (but overstated) array of dirty rectangles.
UpdateRefreshedRects	0	The rectangles that were refreshed on the display, not counting moved rectangles

This class has no sub classes.

Some events for this class:

CGDisplayStreamEventMBS.FrameAvailable(Status as Integer, displayTime as UInt64, frameSurfaceHandle as Integer, Update as CGDisplayStreamUpdateMBS)

Some examples which use this class:

/MacCG/CoreGraphics DirectDisplay/CGDisplayStreamEvent test

The items on this page are in the following plugins: MBS MacCG Plugin.

CGDisplayStreamEventMBS - CGDisplayTransferFormulaMBS