[QUESTION] Squeak Alpha Transparency methods...

Ali Chamas alichamas at yahoo.com
Mon Dec 6 01:37:05 UTC 1999


Hi All,

While playing around with the Form class, i tried the
paintBits:at:translucent: method, and found the result
to blend the image with a black tint. As the values
for translucent: moved towards 0, then resulting blend
became more darker (not what i was kind of hoping
for). Does Squeak support the "cleaner" type of alpha
blend (ala adjusting the Opaque value of a Photoshop
layer)? IF SO, WOULD ANYBODY BE KIND ENOUGH TO LIST A
FEW SQUEAK ALPHA BLEND EXAMPLES? Also, how can i
create a Form which used an 8-bit greyscale soft mask,
not a 2-bit transparent mask? Hmmmmmm....

Cheers,
Ali.
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