From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=0.7 required=5.0 tests=BAYES_00,FREEMAIL_FROM,
	FREEMAIL_REPLYTO,REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no
	version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,410af5103e59350f
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2002-11-12 13:01:36 PST
Path: 
 archiver1.google.com!news1.google.com!newsfeed.stanford.edu!sn-xit-05!sn-xit-06!sn-post-02!sn-post-01!supernews.com!corp.supernews.com!not-for-mail
From: "Russell L Johnson" <russjohnson@frontiernet.net>
Newsgroups: comp.lang.ada
Subject: Re: Ada facility for determining dimensions (height/width) for
 display/print character string?
Date: Tue, 12 Nov 2002 15:54:43 -0500
Organization: Posted via Supernews, http://www.supernews.com
Message-ID: <ut2qkud70si779@corp.supernews.com>
Reply-To: "Russell L Johnson" <JohnsonRuss@NetZero.com>
References: <mailman.1036120741.28142.comp.lang.ada@ada.eu.org>
 <aq89j9$dht$1@a1-hrz.uni-duisburg.de>
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
X-Mimeole: Produced By Microsoft MimeOLE V6.00.2800.1106
X-Complaints-To: abuse@supernews.com
Xref: archiver1.google.com comp.lang.ada:30782
Date: 2002-11-12T15:54:43-05:00
List-Id: <comp.lang.ada>

The text will be in Windows and it looks what I need is either
Graph.TextHeight (and Graph.TextWidth) or the Windows GetTextExtent function
[unless I decide to use TeX or PostScript :^) ].

Thanks to all for your helpful information. Sorry I accidentally posted my
original post twice.

- Russ

"Georg Bauhaus" <sb463ba@l1-hrz.uni-duisburg.de> wrote in message
news:aq89j9$dht$1@a1-hrz.uni-duisburg.de...
> RussJohnson@frontiernet.net <russjohnson@frontiernet.net> wrote:
> : Does Ada have a facility for determining the dimensions (height and
width)
> : that it will take to display/print a given string of characters?
>
> The only programming language I know of that has a facility like this
> (using the language proper, i.e. not asking the operating systems using
> some function of the operating system's API or some such)
> is PostScript, which has builtin operators for text strings and
> bounding box heights of characters and fonts.
>
> Again, where does your text live? Is it a string "in Windows"?
> Use a call to the appropriate operating system's library function to find
> its dimensions. This is the same in any language.
> Are you dealing with a typwriter like printer?
> In that case the number of characters should give enough hints.
> Do you have to ask a Java Virtual Machine for the dimensions
> of specific characters in specific fonts? Etc.
>
> -- georg