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mgpx - Online in the Cloud

Run mgpx in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command mgpx that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


mgp — MagicPoint -- an X11 based presentation tool

SYNOPSIS


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

DESCRIPTION


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+".

KEY OPERATION


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.

CONFIGURATION FILES


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.

ENVIRONMENT


MGPRC Full path of the configuration file. When unset, ~/.mgprc is used.

SECURITY ISSUES


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.

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