QuickTime 3 Reference

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Flags for SpriteWorldIdle

You can pass the following flags as input to the SpriteWorldIdle function SpriteWorldIdle to control drawing of the sprite world.



 
enum {

    kOnlyDrawToSpriteWorld  = 1L << 0,

    kSpriteWorldPreFlight   = 1L << 1

};

Flag descriptions

kOnlyDrawToSpriteWorld: You set this flag to indicate that drawing should take place in the sprite world only; drawing to the final destination should be suppressed.
kSpriteWorldPreFlight: You can set this flag to determine whether the sprite world has any invalid areas that need to be drawn. If so, the SpriteWorldIdle function returns the kSpriteWorldNeedsToDraw flag in the flagsOut parameter.

The following flags may be returned in the flagsOut parameter of the SpriteWorldIdle function.



 
enum {

    kSpriteWorldDidDraw         = 1L << 0,

    kSpriteWorldNeedsToDraw     = 1L << 1

};

Flag descriptions

kSpriteWorldDidDraw: If set, this flag indicates that SpriteWorldIdle updated the sprite world.
kSpriteWorldNeedsToDraw: If set, this flag indicates that the sprite world has invalid areas that need to be drawn.

© 1997 Apple Computer, Inc.

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