Re: Which alternate row color spec is correct?
Re: Which alternate row color spec is correct?
- Subject: Re: Which alternate row color spec is correct?
- From: Jens Bauer <email@hidden>
- Date: Wed, 6 Aug 2003 17:57:15 +0200
Hi Clark,
On Wednesday, Aug 6, 2003, at 15:28 Europe/Copenhagen, Clark S. Cox III
wrote:
1010101 = 4 blue rows, 3 white rows (first row is blue)
0101010 = 3 blue rows, 4 white rows (first row is white)
I'm sure we all have better things to worry about than the number of
rows that must be painted blue. Besides, I can't imagine painting a
row blue is that much more expensive than painting a row white.
Indeed, you're right, however, it still depends on if you have to erase
the background yourself, or if it's done already.
The purpose of this reply I made, is actually not the stripes
themselves, the purpose is how to do this and similar things in a
*faster* way. ;)
I once disassembled ScrollRect (Mac OS 8.x), removed the
erase-background-part, then added this to an application, and it
started scrolling much faster. ScrollRect usually erased the background
before you could draw onto this background yourself. But if you have to
fill it with a red color first, then you'll see much flickering going
on.
-So this reply doesn't relate to NSTableView only. ;)
In short: If there are 2 ways to do a thing, pick the faster one...
Love,
Jens
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