openvrml-commit

[Braden M. <br...@us...>]

Update of /cvsroot/openvrml/openvrml/doc
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv7398/doc

Modified Files:
      Tag: OpenVRML-0_16-BRANCH
	.cvsignore Makefile.am 
Added Files:
      Tag: OpenVRML-0_16-BRANCH
	fdl.texi openvrml-gtkplug.texi 
Log Message:
Added info documentation for openvrml-gtkplug.

Index: .cvsignore
===================================================================
RCS file: /cvsroot/openvrml/openvrml/doc/.cvsignore,v
retrieving revision 1.4
retrieving revision 1.4.2.1
diff -C2 -d -r1.4 -r1.4.2.1
*** .cvsignore	10 Aug 2006 02:56:17 -0000	1.4
--- .cvsignore	4 Oct 2006 06:27:24 -0000	1.4.2.1
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*** 1,2 ****
--- 1,7 ----
+ *.info
  Makefile
  Makefile.in
+ mdate-sh
+ stamp-vti
+ texinfo.tex
+ version.texi

--- NEW FILE: openvrml-gtkplug.texi ---
\input texinfo @c -*-texinfo-*-
@c %**start of header
@setfilename openvrml-gtkplug.info
@include version.texi
@settitle openvrml-gtkplug @value{VERSION}
@c %**end of header

@copying
This manual is for openvrml-gtkplug (version @value{VERSION},
@value{UPDATED}), which provides a VRML/X3D browser as a GtkPlug
component that can be used in any GTK+ application.

Copyright @copyright{} 2006 Braden McDaniel

@quotation
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.2 or
any later version published by the Free Software Foundation.  A copy
of the license is included in the section entitled ``GNU Free
Documentation License.''
@end quotation
@end copying

@c Define a new index for options.
@defcodeindex op
@c Combine everything into one index (arbitrarily chosen to be the
@c concept index).
@syncodeindex op cp

@dircategory Miscellaneous
@direntry
* openvrml-gtkplug: A VRML/X3D browser component for GTK+ applications.
@end direntry

@titlepage
@title openvrml-gtkplug
@subtitle for version @value{VERSION}, @value{UPDATED}
@author Braden McDaniel (@email{braden@@endoframe.com})
@page
@vskip 0pt plus 1filll
@insertcopying
@end titlepage

@contents


@ifnottex
@node Top
@top openvrml-gtkplug

This manual is for openvrml-gtkplug (version @value{VERSION}, @value{UPDATED}).
@end ifnottex

@menu
* Overview::                    General purpose and information.
* Invoking openvrml-gtkplug::   How to run @code{openvrml-gtkplug}.
* Servicing Requests::          How to respond to requests from the component.
* Problems::		        Getting help and reporting bugs.
* Copying This Manual::         Copying and sharing this documentation.
* Concept Index::	        Index of concepts.
@end menu


@node Overview
@chapter Overview

@cindex overview

@code{openvrml-gtkplug} provides a VRML/X3D browser as a GtkPlug
component that can be used in any GTK+ application.
@code{openvrml-gtkplug} communicates with the host application via
pipes from its @code{stdout} and to its @code{stdin}.  The host
application is responsible for fetching network resources and sending
these to the component.

@code{openvrml-gtkplug} uses the OpenVRML VRML/X3D runtime.  For the
latest updates and other information, please visit OpenVRML on the
World Wide Web at @url{http://openvrml.org}.

@cindex authors
@cindex McDaniel, Braden
@code{openvrml-gtkplug} was written by Braden McDaniel.


@node Invoking openvrml-gtkplug
@chapter Invoking @code{openvrml-gtkplug}

@cindex invoking
@cindex options
@cindex usage
@cindex help

The format for running the @code{openvrml-gtkplug} program is:

@example
openvrml-gtkplug [@var{options}] @var{gtk-socket-id}
@end example

@var{gtk-socket-id} is the XID of a GtkSocket.

@section Options

@code{openvrml-gtkplug} supports the following options:

@subsection Help Options

@table @option
@item --help
@itemx -?
@opindex --help
@opindex -?
Show help options.

@item --help-all
@opindex --help-all
Show all help options.

@item --help-gtk
@opindex --help-gtk
Show GTK+ options.
@end table

@subsection GTK+ Options

@table @option
@item --class=@var{class}
@opindex --class
Program class as used by the window manager.

@item --name=@var{name}
@opindex --name
Program name as used by the window manager.

@item --screen=@var{screen}
@opindex --screen
X screen to use.

@item --sync
@opindex --sync
Make X calls synchronous.

@item --gtk-module=@var{modules}
@opindex --gtk-module
Load additional GTK+ modules.

@item --g-fatal-warnings
@opindex --g-fatal-warnings
Make all warnings fatal.
@end table

@subsection Application Options

@table @option
@item --version
@opindex --version
Print the version information and exit.

@item --display=@var{display}
@opindex --display
X display to use.
@end table

@section Invoking From Another Program

In general @code{openvrml-gtkplug} is invoked from another program
which establishes pipes to @code{openvrml-gtkplug}'s @code{stdin} and
from its @code{stdout}.  This can be done using the typical
@code{fork}-@code{exec} mechanism.  If you are using GLib, the
function @code{g_spawn_async_with_pipes} nicely encapsulates the
required logic:

@example
gchar * working_directory;
gchar ** argv;
gchar ** envp = 0;
GPid * child_pid = 0;
gint standard_input, standard_output;
gint * standard_error = 0;
GError * error = 0;
gboolean succeeded;

working_directory = g_get_current_dir();
argv = g_malloc(sizeof (gchar *) * 3)
argv[0] = g_strdup("/usr/libexec/openvrml-gtkplug");
argv[1] = g_strdup_printf("%d", gtk_socket_id);
argv[2] = 0;

succeeded = g_spawn_async_with_pipes(working_directory,
                                     argv,
                                     envp,
                                     0,
                                     0,
                                     0,
                                     child_pid,
                                     &standard_input,
                                     &standard_output,
                                     standard_error,
                                     &error);
@end example


@node Servicing Requests
@chapter Servicing Requests

@cindex request
@cindex request channel
@cindex command
@cindex command channel

@section Requests and Commands

@code{openvrml-gtkplug} relies on the host application for fetching
network resources.  @code{openvrml-gtkplug} will send a @dfn{request}
for a network resource via its @code{stdout}.  As such, the pipe from
@code{openvrml-gtkplug}'s @code{stdout} to the host application is
referred to as the @dfn{request channel}.

In general (and as the name implies), requests elicit some response
from the host application.  The pipe to @code{openvrml-gtkplug}'s
@code{stdin} is used for such responses as well other @dfn{commands}.
This pipe is referred to as the @dfn{command channel}.

Requests and commands are terminated by an end-of-line.  They take the
general form:

@example
@var{command-name} [@var{param1} [@var{param2} ... ]]
@end example

@cindex get-url
@section The @code{get-url} Request

@code{openvrml-gtkplug} sends a @code{get-url} request to indicate to
the host application that it needs a particular network resource.
This request takes the following form:

@example
get-url @var{url} [@var{target}]
@end example

@table @var
@item url
The URL being requested.

@item target
The name of a window.
@end table

The @var{url} parameter is the URL being requested.  The optional
@var{target} parameter is the name of a window of the host
application.  If @var{target} is not meaningful to the host
application, it can be ignored.

The @code{get-url} request expects a response in the form of a
@code{get-url-result} command.  @code{openvrml-gtkplug} is unable to
process the availability of the resource until it receives this
command; so it should be issued as soon as possible.

@section Commands

@cindex get-url-result
@subsection @code{get-url-result}

The @code{get-url-result} command should be sent immediately in
response to a @code{get-url} request.  This command should indicate
the basic success or failure of initiating the resource request.
@strong{It is not intended to indicate a response from a server}.
Rather, it should be used to indicate whether the @var{URL} can be
processed at all.  A URL might not be usable if it is syntactically
invalid or its scheme is unsupported.

This command takes the following form:

@example
get-url-result @var{url} @var{result}
@end example

@table @var
@item url
The URL from the @code{get-url} request.
@item result
An integer value.
@end table

The @var{url} parameter should match the URL received in the
corresponding @code{get-url} request.  The @var{result} is an integer
value; 0 indicates success, while nonzero indicates failure.

@cindex new-stream
@subsection @code{new-stream}

The @code{new-stream} command indicates to @code{openvrml-gtkplug}
that the host application intends to begin writing data associated
with a requested resource.  @code{new-stream} should be sent after
@code{get-url-result} has been sent for a stream and before
@code{write} is sent for any of the stream data.

This command takes the following form:

@example
new-stream @var{stream-id} @var{type} @var{url}
@end example

@table @var
@item stream-id
An integer identifier for the stream.
@item type
The MIME media type of the stream.
@item url
The URL associated with the stream.
@end table

The @var{stream-id} is an integer identifier for the stream.  This
identifier will be used subsequently by the @code{write} and
@code{destroy-stream} commands to refer to the stream.

The @var{type} parameter is the MIME media type of the stream.  The
@var{url} parameter should match the @var{url} parameter of a
previously issued @code{get-url-result} command.

@cindex write
@subsection @code{write}

The @code{write} command writes data to a stream for which
@code{new-stream} has already been issued.  This command takes the
following form:

@example
write @var{stream_id} @var{offset} @var{length}
@var{data}
@end example

@table @var
@item stream-id
An integer identifier for the stream.
@item offset
The offset from the beginning of the stream to the beginning of
@var{data}.
@item length
The number of bytes in @var{data}
@item data
The stream data.
@end table

The @var{stream-id} parameter is an integer identifier corresponding
to a stream for which @code{new-stream} has already been called (and
for which @code{destroy-stream} has @emph{not} been called.

@code{write} is unique among commands in that the end-of-line
character does not terminate the command; rather, it marks the
beginning of the @var{data} parameter.  The command ends at the end of
the @var{data} parameter, which is indicated by the @var{length}
parameter.

@code{write} may be called multiple times for the same stream.  The
@var{offset} parameter indicates the offset of the beginning of
@var{data} with respect to the beginning of the stream (in bytes).

@cindex destroy-stream
@subsection @code{destroy-stream}

@code{destroy-stream} should be sent for a @var{stream-id} after no
more @code{write} commands will be issued for it.  This command takes
the following form:

@example
destroy-stream @var{stream-id}
@end example

@table @var
@item stream-id
An integer identifier for a stream.
@end table

@var{stream-id} should identify a stream for which @code{new-stream}
has been sent, but for which @code{destroy-stream} has @emph{not}
already been sent.

@node Problems
@chapter Getting Help and Reporting Bugs

@cindex bug reporting
@cindex problems
@cindex reporting bugs

@section Mailing List

As part of the OpenVRML package, @code{openvrml-gtkplug} is discussed
on the OpenVRML development mailing list,
@email{openvrml-develop@@lists.sourceforge.net}.  Questions about usage
of any part of the OpenVRML package are welcome here.  This mailing
list permits posting only by subscribers in order to curb spam.
Subscription information can be found at
@url{http://lists.sourceforge.net/lists/listinfo/openvrml-develop}.

@section Reporting Bugs

Please report any bugs you encounter using
@url{http://sourceforge.net/tracker/?func=add&group_id=7151&atid=107151,
OpenVRML's SourceForge bug tracker}.

@cindex checklist for bug reports
Please include enough information for the maintainers to reproduce the
problem.  Generally speaking, that means:

@itemize @bullet
@item The version number of openvrml-gtkplug (which you can find by
running @w{@samp{openvrml-gtkplug --version}}) and any other
program(s) or manual(s) involved.
@item Hardware and operating system names and versions.
@item The contents of any input files necessary to reproduce the bug.
@item The expected behavior and/or output.
@item A description of the problem and samples of any erroneous output.
@item Any unusual options you gave to @command{configure}.
@item Anything else that you think would be helpful.
@end itemize

When in doubt whether something is needed or not, include it.  It's
better to include too much than to leave out something important.

@section Submitting Patches

@cindex patches, contributing
Patches are welcome; if possible, please make them with @samp{@w{diff
-u}} (@pxref{Top,, Overview, diff, Comparing and Merging Files}) and
include @file{ChangeLog} entries (@pxref{Change Log,,, emacs, The GNU
Emacs Manual}).  Please follow the existing coding style.

The preferred means of submitting a patch is using @url{OpenVRML's
SourceForge Patch Manager,
http://sourceforge.net/tracker/?func=add&group_id=7151&atid=307151}.


@node Copying This Manual
@appendix Copying This Manual

@menu
* GNU Free Documentation License::  License for copying this manual.
@end menu

@include fdl.texi


@node Concept Index
@unnumbered Concept Index

@printindex cp

@bye

--- NEW FILE: fdl.texi ---

@node GNU Free Documentation License
@appendixsec GNU Free Documentation License

@cindex FDL, GNU Free Documentation License
@center Version 1.2, November 2002

@display
Copyright @copyright{} 2000,2001,2002 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA

Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@end display

@enumerate 0
@item
PREAMBLE

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We have designed this License in order to use it for manuals for free
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@item
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@enumerate A
@item
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``History''; likewise combine any sections Entitled ``Acknowledgements'',
and any sections Entitled ``Dedications''.  You must delete all
sections Entitled ``Endorsements.''

@item
COLLECTIONS OF DOCUMENTS

You may make a collection consisting of the Document and other documents
released under this License, and replace the individual copies of this
License in the various documents with a single copy that is included in
the collection, provided that you follow the rules of this License for
verbatim copying of each of the documents in all other respects.

You may extract a single document from such a collection, and distribute
it individually under this License, provided you insert a copy of this
License into the extracted document, and follow this License in all
other respects regarding verbatim copying of that document.

@item
AGGREGATION WITH INDEPENDENT WORKS

A compilation of the Document or its derivatives with other separate
and independent documents or works, in or on a volume of a storage or
distribution medium, is called an ``aggregate'' if the copyright
resulting from the compilation is not used to limit the legal rights
of the compilation's users beyond what the individual works permit.
When the Document is included in an aggregate, this License does not
apply to the other works in the aggregate which are not themselves
derivative works of the Document.

If the Cover Text requirement of section 3 is applicable to these
copies of the Document, then if the Document is less than one half of
the entire aggregate, the Document's Cover Texts may be placed on
covers that bracket the Document within the aggregate, or the
electronic equivalent of covers if the Document is in electronic form.
Otherwise they must appear on printed covers that bracket the whole
aggregate.

@item
TRANSLATION

Translation is considered a kind of modification, so you may
distribute translations of the Document under the terms of section 4.
Replacing Invariant Sections with translations requires special
permission from their copyright holders, but you may include
translations of some or all Invariant Sections in addition to the
original versions of these Invariant Sections.  You may include a
translation of this License, and all the license notices in the
Document, and any Warranty Disclaimers, provided that you also include
the original English version of this License and the original versions
of those notices and disclaimers.  In case of a disagreement between
the translation and the original version of this License or a notice
or disclaimer, the original version will prevail.

If a section in the Document is Entitled ``Acknowledgements'',
``Dedications'', or ``History'', the requirement (section 4) to Preserve
its Title (section 1) will typically require changing the actual
title.

@item
TERMINATION

You may not copy, modify, sublicense, or distribute the Document except
as expressly provided for under this License.  Any other attempt to
copy, modify, sublicense or distribute the Document is void, and will
automatically terminate your rights under this License.  However,
parties who have received copies, or rights, from you under this
License will not have their licenses terminated so long as such
parties remain in full compliance.

@item
FUTURE REVISIONS OF THIS LICENSE

The Free Software Foundation may publish new, revised versions
of the GNU Free Documentation License from time to time.  Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.  See
@uref{http://www.gnu.org/copyleft/}.

Each version of the License is given a distinguishing version number.
If the Document specifies that a particular numbered version of this
License ``or any later version'' applies to it, you have the option of
following the terms and conditions either of that specified version or
of any later version that has been published (not as a draft) by the
Free Software Foundation.  If the Document does not specify a version
number of this License, you may choose any version ever published (not
as a draft) by the Free Software Foundation.
@end enumerate

@page
@appendixsubsec ADDENDUM: How to use this License for your documents

To use this License in a document you have written, include a copy of
the License in the document and put the following copyright and
license notices just after the title page:

@smallexample
@group
  Copyright (C)  @var{year}  @var{your name}.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU Free Documentation License, Version 1.2
  or any later version published by the Free Software Foundation;
  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
  Texts.  A copy of the license is included in the section entitled ``GNU
  Free Documentation License''.
@end group
@end smallexample

If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
replace the ``with...Texts.'' line with this:

@smallexample
@group
    with the Invariant Sections being @var{list their titles}, with
    the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
    being @var{list}.
@end group
@end smallexample

If you have Invariant Sections without Cover Texts, or some other
combination of the three, merge those two alternatives to suit the
situation.

If your document contains nontrivial examples of program code, we
recommend releasing these examples in parallel under your choice of
free software license, such as the GNU General Public License,
to permit their use in free software.

@c Local Variables:
@c ispell-local-pdict: "ispell-dict"
@c End:


Index: Makefile.am
===================================================================
RCS file: /cvsroot/openvrml/openvrml/doc/Makefile.am,v
retrieving revision 1.34
retrieving revision 1.34.2.1
diff -C2 -d -r1.34 -r1.34.2.1
*** Makefile.am	10 Aug 2006 06:50:34 -0000	1.34
--- Makefile.am	4 Oct 2006 06:27:24 -0000	1.34.2.1
***************
*** 1,2 ****
--- 1,5 ----
+ info_TEXINFOS = openvrml-gtkplug.texi
+ openvrml_gtkplug_TEXINFOS = fdl.texi
+ 
  docdir = $(datadir)/doc/@PACKAGE_TARNAME@-@PACKAGE_VERSION@