Re: Images & RAM consumption [was: Is SM2 mail a slug...]

Felix Miata wrote:
> On 2009/12/18 22:17 (GMT+0100) Oliver Kluge composed:
>
>> Ilya Zakharevich wrote:
>
>>>> Are you implying that FF stores image objects uncompressed?
>
>>> ???  Do you know ANY graphic program which does otherwise?
>
>> FF is no "graphics program". The only reason why graphics programs store
>> images uncompressed is that it is necessary for manipulation.
>
>> FF just displays images and it doesn't make any sense to decode all
>> images to uncompressed and keep them in memory uncompressed
>
> I'm no programmer, but over many years of Mozilla development I've spent a
> lot of time hanging out in the core Moz devs IRC channels, and have been able
> to comprehend quite a bit of their discussion. IIUC, Ilya is right about this
> - though it seems to make no sense to an core dev outsider, image files are
> just DOM objects converted on load to an internal format used by the DOM, and
> grow immensely during the conversion.
Why convert them?  Could not the rendering be done at display time, ie 
during WM_Paint?
--
Bill
<Thanks, a Million>