OpenEuphoria

RE: Algorithmics

• Posted by Patrick.Barnes at transgrid.com.au Jan 17, 2003
• 381 views

Thanks very much... That's several orders of magnitude quicker.

-----Original Message-----
From: Pete Lomax [mailto:petelomax at blueyonder.co.uk]
Subject: Re: Algorithmics



On Fri, 17 Jan 2003 11:47:31 +1100, Patrick.Barnes at transgrid.com.au
wrote:

>Can anyone see what could be improved?
A quick hack at a binary chop 
Code may need cleaning a bit but seems to work:
integer bsize, ssize
--#START OF CODE THAT IS TOO SLOW#--
	fsize = 8	--starting font size
	ssize = 1
	bsize = 0
	while 1 do
		--find the size of that text
		setFont(win, "Times New Roman", fsize, Normal)	
		tsize = getMlTextExtent(win, lines, 0)
		--if it's bigger than the window...
		if tsize[1] >= wsize[1] or tsize[2] >= wsize[2] then
			bsize=fsize
			fsize=ssize+floor((fsize-ssize)/2)
			if fsize=ssize then
				exit
			end if
		else
			ssize=fsize
			if bsize=0 then
				fsize*=2
			else
				if fsize+1=bsize then exit end if
				fsize+=floor((bsize-fsize)/2)
			end if
		end if
	end while
--#END OF CODE THAT IS TOO SLOW#--	

Pete

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