[cairo] _cairo_color_compute_shorts fails with FPU set to
cloos at jhcloos.com
Wed Aug 30 16:43:56 PDT 2006
>>>>> "Behdad" == Behdad Esfahbod <behdad at behdad.org> writes:
>> HDR values should never be illegal input;
Behdad> That requires an internal format with more precision than the
Behdad> current ARGB32. Would be interesting.
Oh. I made the assumption that the floats in discussion on this
thread were the internal format.
That they are not does put a damper in the works....
Behdad> To start with HDR, we can clamp after multiplying by alpha.
Behdad> That will make something like cairo_set_source_rgba (cr, 2, 2,
Behdad> 2, 0.5) do something different...
I'd still not clamp until actual output to an integer-only format,
whether a physical display or an image file.
P.S. Apologies for any delays in replying; my spam box is running a
couple of hours behind today. Wednesday always is the busiest
day for mail....
James Cloos <cloos at jhcloos.com> OpenPGP: 0xED7DAEA6
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