At 12:15 am +0100 31/3/99, Paul Walker wrote:
Failing that, use PNG, which includes gamma correction data. If you can't
write it, get a decent OS. ;-)
I could even do that. But not until I go back to Cambridge...
Although it isn't so much a matter of what my software can write (it can
write
At 6:08 pm +0100 30/3/99, Ian Collier wrote:
On Thu, Mar 04, 1999 at 12:17:46AM +, Andrew Collier wrote:
Have you been asleep for a month?
The images seem quite
dark, btw. This may be a function of display gamma, since I've speculated
before that your display is gamma corrected while
monitor? I'm not going to change my pictures for your dark monitor, unless
you can prove to me that there aren't an equal number of monitors on which
the picture already looks too bright.
Silly question, but why don't you both just twiddle the brightness knobs?
Failing that, use PNG, which
On Thu, Mar 04, 1999 at 12:17:46AM +, Andrew Collier wrote:
The images seem quite
dark, btw. This may be a function of display gamma, since I've speculated
before that your display is gamma corrected while most other kinds of
display (except SGIs) are not.
Yes it is - and will you stop
Ian Collier wrote:
On Tue, Mar 02, 1999 at 01:54:37PM +, Andrew Collier wrote:
Well, if it's that much of a problem, replace JPG with PICT and you'll get
the original, non-lossily compressed image (providing you have something
which can read PICTs, of course).
Those do look better than the
On Tue, Mar 02, 1999 at 02:17:37PM +, Dave Hooper wrote:
but doesn't the sam rom make the 'assumption' that the pixels are square,
eg, when drawing circles?
I'm pretty sure it does.
Plus my Tv controls were set so that the apparent ratio WAS 4:3 ... does
this mean I was always distorting
On Tue, Mar 02, 1999 at 01:54:37PM +, Andrew Collier wrote:
Well, if it's that much of a problem, replace JPG with PICT and you'll get
the original, non-lossily compressed image (providing you have something
which can read PICTs, of course).
Those do look better than the jpegs, actually.
On Wed, 3 Mar 1999, Ian Collier wrote:
I have tended to use a horizontal zoom of 1.25 when viewing Sam screens,
which means either I got my calculation slightly wrong or the Spectrum's
pixels are just slightly wider than they are high.
But if you had a ratio of 4:3 then everything else
One question that's been bugging me (but only a bit) - why are all the
pictures crummy jpegs? i'm assuming the answer is 'because they are all
from scanned photos off the telly'
Well, if it's that much of a problem, replace JPG with PICT and you'll get
the original, non-lossily compressed image
On Tue, 2 Mar 1999, Andrew Collier wrote:
remember Sam's pixels are actually rectangular instead of square, so there
can _never_ be an exact 1:1 mapping without distorting the shape of the
picture.
but doesn't the sam rom make the 'assumption' that the pixels are square,
eg, when drawing
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