TQAGetFloat
A drawing engine must define a method to get a floating-point value of a draw context state variable.
typedef float (*TQAGetFloat) ( const TQADrawContext *drawContext, TQATagFloat tag);
drawContext- A draw context.
tag- A state variable tag.
DESCRIPTION
YourTQAGetFloatfunction should return, as its function result, the floating-point value of the draw context state variable specified by thedrawContextandtagparameters. If you do not recognize or support the specified tag, yourTQAGetFloatfunction should return the value 0.
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