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iluInvertAlpha

 

iluInvertAlpha inverts the alpha of the currently bound image.

 

ILboolean iluInvertAlpha(
  ILvoid );


Parameters

 

None


Errors

 
ILU_ILLEGAL_OPERATION
The operation attempted is not allowable in the current state. The function returns with no ill side effects. Generally there is currently no image bound or it has been deleted via ilDeleteImages. You should use ilGenImages and ilBindImage before calling the function.

See Also

 
ilBindImage, ilGenImages, ilGetAlpha,