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Article #1747

Re: Drawing characters fast

#1747
From: Darin Adler
Date: Sat, 15 Jun 1985 21:38
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> Can anyone tell me what is the fastest method to put a text character on the
> screen? No text editing functions are required, just fast writes.

If you intend to draw directly to the screen using QuickDraw, there are two
routines that do the job.  DrawChar draws a single character.  DrawString draws
up to 255 at a time.  DrawString is MUCH faster than multiple DrawChar's.
The fastest drawing is done when the TextMode (for copying text) is set to
srcOr.  This means that the fastest way to get the ROM to print text is to
EraseRect an area of the screen and then to DrawString into that area in srcOr
mode.

Darin Adler
ihnp4!tmq!darin
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Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!mhuxr!ihnp4!tmq!darin
References: <5987@ucla-cs.ARPA>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/5/84; site tmq.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!mhuxr!ihnp4!tmq!darin
From: darin@tmq.UUCP (Darin Adler)
Newsgroups: net.micro.mac
Subject: Re: Drawing characters fast
Message-ID: <197@tmq.UUCP>
Date: Sat, 15-Jun-85 17:38:55 EDT
Article-I.D.: tmq.197
Posted: Sat Jun 15 17:38:55 1985
Date-Received: Sun, 16-Jun-85 03:20:48 EDT
References: <5987@ucla-cs.ARPA>
Organization: tmq/ICOM Buffalo Grove, IL
Lines: 13