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MGP(1) |
FreeBSD General Commands Manual |
MGP(1) |
mgp —
MagicPoint -- an X11 based presentation tool
mgp |
[-dhlnoqvBCGORSV ] [-b
bgcolor] [-c
vfcap] [-f
vfont] [-g
geometry] [-p
page] [-t
timeslot] [-w
wdir] [-x
engine] [-D
htmldir] [-E
htmlimage] [-F
mode,effect,value] [-Q
quality] [-T
timestampfile] [-X
gsdevice] file |
mgp is an X11 based presentation tool. It is designed to
make simple presentations easy while to make complicated presentations
possible. Its presentation file (whose suffix is typically
.mgp ) is just text so that you can create presentation
files quickly with your favorite editor (such as Emacs).
The .mgp file consists of text and control
commands (such as pagebreak, centering, and/or inline image). Control
commands are specified on the beginning of lines started with one
% sign. You can include numerous kinds of image
format files onto the presentation file.
mgp uses Japanese/English fonts in various
sizes. mgp uses X11 scalable fonts provided by X11
servers. mgp can also utilize the Japanese outline
font library, "VFlib", if configured to do so at compilation
time.
The following options are available:
-b
bgcolor
- Set background color to bgcolor. (The default value
is black)
-c
vfcap
- Specify a VFlib configuration file.
-d
[interval]
- Demonstration mode. Browse all page automatically, spending
interval secounds on each page and terminate. If
interval is not specified, it will be set to 0.
-f
vfont
- Specify the font name to be used by VFlib. (The default value is
minsl)
-g
geometry
- Set the size and location of the window. Please note that
-g implies -o.
mgp will not override the window manager if you
specify the geometry.
-h
- Display the usage and exit without performing a presentation.
-l
- There are two kind of fonts available by VFlib; They are outline font and
bitmap font. By specifying
-l , you can disable the
use of outline fonts.
-n
mgp accepts any key inputs from invoked terminal
as KEY OPERATION described below. -n disables this
feature. (This option may be removed in the future release)
-o
- Do not override window manager. (By default,
mgp
overrides window manager and occupies the whole display)
-p
page
- Start presentation from page, rather than the first
page.
-q
- Do not beep on errors.
-t
timeslot
- Specify the timeslot assigned to the presentation in minute. The timer is
invoked when the second page is displayed and the remaining presentation
time is indicated by the length of bar shown at the bottom of the display.
The timebar is updated when some X11 event is raised, for instance some
keypress. Timebar will be green if you have more than 50% of the timeslot,
yellow while you have more than 30% of the timeslot, and red for the other
cases. When the assigned timeslot is expired, exceeding time is also shown
as a timebar growing from left to right. Current page is indicated by the
position of a small vertical bar; the vertical bar is drawn at the leftend
when the first page is displayed while the bar is drawn at the rightend
when the last page is displayed.
- -title
name
- Set the title of the window to name.
-v
- Display the MagicPoint version and exit without performing a
presentation.
-w
wdir
- specifies the working directory used for store embedded images if any. To
generate an embedded MGP file, use
mgpembed(1).
-x
engine
- Do not use rendering engine, specified by engine.
engine can be
VFlib or
FreeType .
-B
- Omit background image.
-C
- Use private colormap.
-D
htmldir
- Generate html pages of the presentation into
htmldir. You will need
xwintoppm(1)
(included in mgp kit), and
pnmscale(1),
cjpeg(1),
and
djpeg(1)
(included in
netpbm and Independent Jpeg Group
jpeg package).
-E
htmlimage
- Specifies html image type. Now "jpg" and "png" are
supported. default value is "jpg". It works when -D option is
set.
-F
mode,effect,value
- Specifies forward page cache options. Mode,
effect and value are numbers.
Mode specifies caching mode.
Mode 0 means caching is executed after 2 seconds
idle. Mode 1 means caching is executed immediately.
Effect specifies 'special effect' for the forward
page cache. Currently, two special effects are supported.
Effect 1 means that the next page will come in from
the left side. Effect 2 means that the current page
will go out to the left side. Effect 0 means no
special effect. Value specifies speed of special
effect. Value 1 means the highest speed. A higher
value for value decreases effect speed.
-G
- Specifies to turn on page guide function. At the bottom of the screen, the
titles of next page and previous page are displayed to assist the
presentation. Page guide can be turned on and off by keyboard too.
-O
- Obey to the window manager, but with less decoration around the window.
The behavior of this option is affected by how the window manager is
implemented; this option may have no effect on some of the window
managers.
-Q
quality
- Set background image quality(0-100).
-R
mgp will usually reload the presentation file if
it gets updated, based on the file modification time taken by
stat(2).
-R disables this auto-reloading feature.
-S
- Be secure. Skip directives that fork/exec the child process. It is
suggested to use this option if you got some presentation file from
others. This is enabled by default.
-U
- Be unsecure. Enable directives that fork/exec the child process. Allow to
use non-ASCII filename.
-T
timestampfile
- If the option is specified,
mgp will modify the
content of timestampfile every time it updates the
presentation window. This option is useful for external process to
understand when mgp modifies the window.
-V
- Be verbose. Generate debugging output to standard output.
-X
gsdevice
mgp sometimes invokes
ghostscript(1)
to render postscript images. -X enables you to
specify the device to be used by
ghostscript(1).
If you specify gsdevice with a trailing '+',
pnmscale(1)
and
pnmdepth(1)
will be invoked for anti-aliasing. The default
gsdevice is "pnmraw+".
The keyboard/mouse commands are:
- mouse button 1 (leftmost button)
- Go forward a page. Space key, downward cursor key, scroll down key,
"f" key, "j" key, and "n" key have the same
effect. If <number> is specified, go forward <number>
pages.
- mouse button 3 (rightmost button)
- Go to the previous page. "b" key, "k" key,
"p" key, backspace key, scroll up key and upward cursor key have
the same effect. If <number> is specified, go back <number>
pages.
- 0 - 9 (number buttons)
- Set prefix number in decimal. i.e. <number> = <number> * 10 +
<keyN> - <key0>. For example, by typing in "10g" you
can jump to page 10.
- g
- Go to the <number> page. If number of 0 is specified, go to the last
page.
- control key
- Display the page listing menu. See below for details.
- G
- Enable/disable page guide. See description for option
-G for details.
- x
- Enable/disable rakugaki (jotting) mode. You can make an annotation (by
mouse) on the presentation. Mouse button 2 (middle) has the same
effect.
- X
- Change the pen color for rakugaki (jotting) mode.
- t
- Enable/disable the timebar if -t timeslot option is specified.
- c
- Enable/disable forward page cache.
- w
- Toggle full screen mode with EWMH. (You need a EWMH-aware window manager
and need to run mgp with -o or -g option)
- control-L
- Repaint the current page. Use this if you messed up the page by jotting
too much.
- control-R
- Reload the current presentation file. If the current page becomes
unavailable, page pointer will be moved back to 1.
- escape key
- Quit the currently running
mgp . "q" key
also has the same effect.
During the presentation, you can see the page list at the bottom
of the window when you press a Control Key. Choosing a page with the mouse
and clicking it with the leftmost mouse button, you can go to corresponding
page directly. Releasing the Control Key, the page list disappears and you
can continue with the current page. This function is useful during the
Q-and-A period after your presentation completes.
mgp will look at a file named
~/.mgprc in your home directory. The path to this file
can be overriden with the environment variable MGPRC. The content of the file
must be a limited set of magicpoint directives, one directive per line,
without % sign. Lines start with
# , or empty lines, will be silently ignored. See
SYNTAX for eligible directives.
mgp imports various image draw functions
from
xloadimage(1).
This means that the location of image files can be specified by
~/.xloadimagerc file. If you specify the
presentation file with its directory, that directory is searched first and
then the path specified in the ~/.xloadimagerc is
searched.
- MGPRC
- Full path of the configuration file. When unset, ~/.mgprc is used.
The presentation file can include directives to call the external process, just
like shell process. Therefore, the presentation file should be treated just
like shell script or perl script. This is STRONGLY recommended to review the
content of the presentation file before invoking mgp ,
if you got the file from others. By adding the -S
option to the command line argument, directives that call external processes
will be skipped.
Yoshifumi Nishida <nishida@csl.sony.co.jp>
Jun-ichiro Hagino <itojun@itojun.org>, Akira Kato <kato@wide.ad.jp>,
Atsushi Onoe <onoe@sm.sony.co.jp>, Kazu Yamamoto <Kazu@Mew.org>,
Youjiro Uo <yuo@nui.org>, and Masaki Minami <Masaki@Minami.org>
extensively contributed improvements, bug fixes, and documents. Special thanks
to Chaki Kusakari <chaki@sfc.wide.ad.jp>.
mgp was created shortly after the autumn camp of WIDE
Project in 1997, which was originally called tp
(TinyPoint).
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