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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 |
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.
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:
The items on this page are in the following plugins: MBS MacCG Plugin.
Links
MBS Xojo blog
