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The Sunday 2007-06-03 at 14:02 -0700, Randall R Schulz wrote:
> > Let me see; an 8*10 inches page at 1200 dots per inch, that's 115.2e6
> > pixels... calculate the memory needed.
>
> 1200 dots per inch? I thought we were talking about a home or office
> printer. 600dpi is more typical for today's laser printers.
I like worst case gross-overestimates :-P
> Also, the imageable area is typically reduced by about .25 in. on each
> edge.
>
> Furthermore, keep in mind that these are one-bit pixels.
I left that as a exercise to the reader :-p
> So a reasonable calculation of the number of frame buffer bytes for an
> 8.5 x 11 page would be:
>
> 8 x 10.5 x 600 x 600 / 8 = 3,780,000 bytes ~ 3.6 MB
And his printer has 3MB, so that's not enough to print full page bitmaps,
because you need space for the original ps, the process, perhaps
converting color to gray, the result... and if it prints, it will be slow;
I guess it has to go by bands.
- --
Cheers,
Carlos E. R.
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