[squeak-dev] 16 bit GIFs (was: A nitpick)
Bert Freudenberg
bert at freudenbergs.de
Sun May 11 12:37:58 UTC 2014
On 2014-05-09, at 19:36, Yoshiki Ohshima <Yoshiki.Ohshima at acm.org> wrote:
> On Fri, May 9, 2014 at 1:14 AM, Bert Freudenberg <bert at freudenbergs.de> wrote:
>> Do we support any 16 bit-per-channel gifs?
>
> Not sure what you mean by "gifs"
Yes, I meant pngs. Slip of mind.
> (I am specifically talking about
> PNGs), but sure, I think Squeak should be able to read a PNG file, as
> long as it is a valid one. If it is 16 bits per channel, it should
> downscale the depth to 8 and create a 32 bpp Forms. This does happen
> in most of the cases, but when the PNG file specifies the transparent
> pixel (it is also in 16 bit value), it causes an error.
> --
> -- Yoshiki
Ah, okay. I wasn't even aware Squeak reads 16 bpp images at all, because bitblt supports at most 8 bpp.
- Bert -
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