CGDisplayStreamUpdateMBS class

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New in Version 22.2 22.3 22.4 22.5 23.0 23.1 23.2 23.3 23.4 23.5 24.0 24.1

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CGDisplayStreamUpdateMBS class

Type Topic Plugin Version macOS Windows Linux iOS Targets
class CoreGraphics MBS MacCG Plugin 16.1 ✅ Yes ❌ No ❌ No ✅ Yes All
A single frame's extra metadata that describes useful frame delta information.

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.

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 using this class:

Some examples using this class:


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


CGDisplayStreamEventMBS   -   CGDisplayTransferFormulaMBS


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