Common Graphics Headers Component Overview
The Common Graphics Headers component contains classes that are used by a number of ScreenPlay components and their clients. The classes are divided between those that relate to surfaces and those that relate to display configuration.
Surface-related classes
| Class | Description |
|---|---|
| TSurfaceId | Encapsulates the surface ID, which is a 128-bit number that is used to identify a surface within ScreenPlay. See Graphics Composition Collection Overview for more information. |
| TSurfaceTypes | Encapsulates the rendered surface type. See Graphics Surfaces for more information. |
Display configuration-related classes
| Class | Description |
|---|---|
| MDisplayControlBase | Provides common functionality for the display control interfaces in the composition engine, render stages and Window Server client-side API. |
| TDisplayConfigurationBase | The base class for the display configuration hierarchy (shown in the figure below). Defines common facilities for all configurations. |
| TDisplayConfiguration1 | The first collection of display configuration settings. |
| TDisplayConfiguration | The display configuration class for general use. This may be extended by adding a chain of classes between this and TDisplayConfiguration1. If you do this, you must update the TDisplayConfigurationTop typedef. |
The following diagram provides an overview of the TDisplayConfiguration hierarchy.
Parent topic: Common Graphics Headers Component
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