Class

• <DRM Control Link>

Superclass

• <DRM SEDRIS Abstract Base>

Subclass

• <DRM CMY Colour Control Link>
• <DRM Colour Index Control Link>
• <DRM HSV Colour Control Link>
• <DRM Light Rendering Properties Control Link>
• <DRM Light Source Control Link>
• <DRM LSR 3D Location Control Link>
• <DRM Polygon Control Link>
• <DRM Property Set Index Control Link>
• <DRM Property Table Reference Control Link>
• <DRM Reference Vector Control Link>
• <DRM RGB Colour Control Link>
• <DRM Rotation Control Link>
• <DRM Scale Control Link>
• <DRM Sound Instance Control Link>
• <DRM State Control Link>
• <DRM Texture Coordinate Control Link>
• <DRM Translation Control Link>
• <DRM Translucency Control Link>

Definition

This class is an abstract base class used to provide the connection between <DRM Expression> instances and the fields of other SEDRIS objects (called target objects). For each class of target object, there shall be a specialization of this class to match it. Objects of the specialized subclass shall be aggregated by the target object. The definition of each subclass shall specify how the ordered list of <DRM Expression> instances is used to determine the values of the fields of the target object (called target fields).

In general, a specialized <DRM Control Link> will contain at least one field (called a link field) for each target field in the target object. The link field is an index into the ordered aggregation of <DRM Expression> instances, and is used to select the specific <DRM Expression> that controls the value of the target field. The specialization may also contain “constraint” fields that are indexes into the ordered aggregation of <DRM Expression> instances, and are used to constrain the values of the target field.

Class diagram

Figure 6.58 — DRM_Control_Link

Constraints

• Publishable Object

Example(s)

See individual subclasses for examples.