12 Managing Draw Contexts
Q3DrawContext_GetMask
function to get the mask of a draw context.
TQ3Status Q3DrawContext_GetMask ( TQ3DrawContextObject context, TQ3Bitmap *mask);context
A draw context object.mask
On exit, the mask of the specified draw context.
Q3DrawContext_GetMask
function returns, in the mask
parameter, the current mask for the draw context specified by the context
parameter. The mask is a bitmap whose bits determine whether or not corresponding pixels in the drawing destination are drawn or are masked out. Q3DrawContext_GetMask
allocates memory internally for the returned bitmap; when you're done using the bitmap, you should call the Q3Bitmap_Empty
function to dispose of that memory.
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