[ENH] PNGReadWriter writing support & alpha fixes

Avi Bryant avi at beta4.com
Wed Feb 11 01:35:00 UTC 2004


On Feb 10, 2004, at 5:12 PM, Andreas Raab wrote:
>
> v2: Vastly improved version. Includes a test suite which ensures that 
> we can
> use PNG consistently to save and load Squeak forms.

On Mac OS X, I get 8 tests failing:

test[1|2|4|8]Bit
test[1|2|4|8]BitReversed

The assertion that fails is "original bits = decoded bits".  In every 
case, the original has a bunch of bits all with the same non-zero value 
where the decoded bits are zero.

Cheers,
Avi




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