unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Ralf Angeli <angeli@caeruleus.net>
Subject: Re: display-mm-width return value off on Windows
Date: Fri, 07 Jul 2006 07:56:31 +0200	[thread overview]
Message-ID: <e8kt2e$oi1$2@sea.gmane.org> (raw)
In-Reply-To: uirmaqw44.fsf@gnu.org

* Eli Zaretskii (2006-07-06) writes:

>> From: Ralf Angeli <angeli@caeruleus.net>
>> 
>>                    display-mm-*   display-mm-*
>>         Real size  without patch  with patch
>> Width   330mm      320            305
>> Height  207mm      240            203
>
> That is still not a very good approximation, is it?

The values are more accurate than before.  With the change Jason
suggested they might improve even more.  If I find time I'll ask the
user who originally reported the problem to check a version of Emacs
with the change applied.

>> -  cap = GetDeviceCaps (hdc, VERTSIZE);
>> +  height = round (GetDeviceCaps (hdc, VERTRES)
>> +		  / GetDeviceCaps (hdc, LOGPIXELSY) * 25.4);
>
> What is this magic constant 25.4?

As David wrote: millimeters per inch

-- 
Ralf

  parent reply	other threads:[~2006-07-07  5:56 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-06 17:50 display-mm-width return value off on Windows Ralf Angeli
2006-07-06 21:08 ` Eli Zaretskii
2006-07-06 21:25   ` David Kastrup
2006-07-07  5:56   ` Ralf Angeli [this message]
2006-07-07 10:18     ` Eli Zaretskii
2006-07-07 10:22     ` Eli Zaretskii
2006-07-07 12:05       ` Lennart Borgman
2006-07-07 16:54       ` Ralf Angeli
2006-07-08 12:58         ` Eli Zaretskii
2006-07-08 13:23           ` Lennart Borgman
2006-07-08 14:42             ` Eli Zaretskii
2006-07-08 21:27             ` Jason Rumney
2006-07-08 22:23               ` David Kastrup
2006-07-08 23:03                 ` Jason Rumney
2006-07-09  7:36                   ` Ralf Angeli
2006-07-09  8:03                     ` David Kastrup
2006-07-09  7:41               ` Ralf Angeli
2006-07-09  8:05                 ` David Kastrup
2006-07-09 18:37                 ` Eli Zaretskii
2006-07-10 10:30                   ` Kim F. Storm
2006-07-10 10:45                     ` David Kastrup
2006-07-10 13:29                       ` Jason Rumney
2006-07-10 14:19                         ` David Kastrup
2006-07-10 21:28                           ` Jason Rumney
2006-07-10 22:05                             ` David Kastrup
2006-07-10 20:12                     ` Eli Zaretskii
2006-07-10 23:17                       ` Kim F. Storm
2006-07-10 23:22                         ` David Kastrup
2006-07-11 18:43                   ` Ralf Angeli
2006-07-12 13:07                     ` Kim F. Storm
2006-07-12 19:22                     ` Richard Stallman
2006-07-13 19:38                       ` Ralf Angeli
2006-07-13 19:59                         ` David Kastrup
2006-07-14 17:03                           ` Richard Stallman
2006-07-14 18:16                           ` Stefan Monnier
2006-07-14 18:33                             ` David Kastrup
2006-07-14 21:37                               ` Stefan Monnier
2006-07-15 22:06                                 ` Ralf Angeli
2006-07-16 17:04                                   ` Ralf Angeli
2006-07-14 17:03                         ` Richard Stallman
2006-07-09  9:31               ` Jan Djärv
2006-07-08 17:40           ` Robert J. Chassell
2006-07-06 22:09 ` Jason Rumney
2006-07-06 22:37   ` Lennart Borgman
2006-07-07  5:50   ` Ralf Angeli
2006-07-07  9:09     ` Eli Zaretskii
2006-08-05 14:50 ` Ralf Angeli
2006-08-19 15:15   ` Ralf Angeli
2006-08-19 15:37     ` David Kastrup
2006-08-19 16:31     ` Jason Rumney
2006-08-19 17:54       ` Ralf Angeli
2006-08-19 22:34         ` Jason Rumney
2006-08-20  8:19           ` Ralf Angeli
2006-08-21  9:06             ` Eli Zaretskii
2006-08-21  9:17               ` Lennart Borgman
2006-08-21 10:22                 ` Eli Zaretskii
2006-08-21 10:36                   ` David Kastrup
2006-08-21 11:45                     ` Jason Rumney
2006-08-21 11:55                       ` David Kastrup
2006-08-21 10:43                   ` Lennart Borgman
2006-08-21 14:07                     ` Eli Zaretskii
2006-08-21 15:03                       ` Lennart Borgman
2006-08-21 19:22               ` Ralf Angeli
2006-08-21 23:10                 ` Eli Zaretskii
2006-08-22  5:57                   ` Ralf Angeli
2006-08-22 19:16                     ` Ralf Angeli
2006-08-22 21:38                       ` Kim F. Storm
2006-08-23 18:31                         ` Ralf Angeli
2006-08-23 22:44                           ` Kim F. Storm
2006-08-24 16:14                             ` Ralf Angeli
2006-08-24 20:18                               ` Kim F. Storm
2006-08-25 16:38                                 ` Ralf Angeli
2006-08-25 22:28                                   ` Kim F. Storm
2006-08-21 23:25                 ` Jason Rumney
2006-08-22  5:51                   ` Ralf Angeli
2006-08-22  7:46                     ` Jason Rumney
2006-08-22 19:24                       ` Ralf Angeli
  -- strict thread matches above, loose matches on Subject: below --
2006-07-14 23:55 Robert J. Chassell

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='e8kt2e$oi1$2@sea.gmane.org' \
    --to=angeli@caeruleus.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).