The screen depth is stored so as to invalidate the paragraph height metadata if the document is loaded at a different depth from the one it was last loaded it.
I know, but it could also be used to set the default screen depth for a document.
True. By the way, I am a little unsure of whether the rule that default screen depth is fastest holds of 16-bit screens. This might be worth benchmarking. My feeling is that 16-bit mode might be fastest on 16-bit screens, even when 8-bit is the system default. This is clearly true with colorized anti-aliased fonts, but that's a special case. I also vaguely recall that writing 4-bit depth anti-aliased fonts was probably faster in 16-bit mode on POSE:NR70, but I don't have the benchmark data.
Moreover, it seems to me that all units that support 16-bit display are fast enough that actual screen drawing takes no time, apart from the cases of rotation and anti-aliased fonts.
There may still be an advantage to using 8-bit mode, in that one saves memory.
--
Dr. Alexander R. Pruss
Department of Philosophy
Georgetown University
Washington, DC 20057-1133 U.S.A.
e-mail: [EMAIL PROTECTED]
online papers and home page: www.georgetown.edu/faculty/ap85
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"Philosophiam discimus non ut tantum sciamus, sed ut boni efficiamur."
- Paul of Worczyn (1424)
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