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[Gnash-commit] gnash ChangeLog packaging/doc/gnash.info.in ser... [relea
|
From: |
Sandro Santilli |
|
Subject: |
[Gnash-commit] gnash ChangeLog packaging/doc/gnash.info.in ser... [release_0_8_2_rc1] |
|
Date: |
Mon, 03 Mar 2008 11:13:44 +0000 |
CVSROOT: /sources/gnash
Module name: gnash
Branch: release_0_8_2_rc1
Changes by: Sandro Santilli <strk> 08/03/03 11:13:44
Modified files:
. : ChangeLog
packaging/doc : gnash.info.in
server : movie_root.cpp
Log message:
drag bounds are in local coordinate space, and non lock-centered drags
must always honour it. Fixes bug #22460.
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/gnash/ChangeLog?cvsroot=gnash&only_with_tag=release_0_8_2_rc1&r1=1.5711.2.39&r2=1.5711.2.40
http://cvs.savannah.gnu.org/viewcvs/gnash/packaging/doc/gnash.info.in?cvsroot=gnash&only_with_tag=release_0_8_2_rc1&r1=1.1&r2=1.1.2.1
http://cvs.savannah.gnu.org/viewcvs/gnash/server/movie_root.cpp?cvsroot=gnash&only_with_tag=release_0_8_2_rc1&r1=1.162&r2=1.162.2.1
Patches:
Index: ChangeLog
===================================================================
RCS file: /sources/gnash/gnash/ChangeLog,v
retrieving revision 1.5711.2.39
retrieving revision 1.5711.2.40
diff -u -b -r1.5711.2.39 -r1.5711.2.40
--- ChangeLog 3 Mar 2008 09:22:38 -0000 1.5711.2.39
+++ ChangeLog 3 Mar 2008 11:13:42 -0000 1.5711.2.40
@@ -1,5 +1,8 @@
2008-03-03 Sandro Santilli <address@hidden>
+ * server/movie_root.cpp (doMouseDrag): drag bounds are in local
+ coordinate space, and non lock-centered drags must always
+ honour it. Fixes bug #22460.
* server/vm/ASHandlers.cpp (CommonGetURL): implement GET/POST
methods for targetted movie loads. Still missing POST using
host-provided uri handler (to improve/define communication
Index: packaging/doc/gnash.info.in
===================================================================
RCS file: /sources/gnash/gnash/packaging/doc/Attic/gnash.info.in,v
retrieving revision 1.1
retrieving revision 1.1.2.1
diff -u -b -r1.1 -r1.1.2.1
--- packaging/doc/gnash.info.in 16 Feb 2008 17:51:06 -0000 1.1
+++ packaging/doc/gnash.info.in 3 Mar 2008 11:13:43 -0000 1.1.2.1
@@ -1,25 +1,23 @@
-START-INFO-DIR-ENTRY
-This is gnash.info, produced by makeinfo version 4.11 from gnash.texi.
+This is gnash.info, produced by makeinfo version 4.8 from gnash.texi.
-* Gnash Developer's Guide version 0.4.3:
(gnash_developer's_guide_version_0.4.3).
- [MISSING TEXT]
+START-INFO-DIR-ENTRY
+* Gnash Manual: (gnash). [MISSING TEXT]
END-INFO-DIR-ENTRY
File: gnash.info, Node: Top, Next: Introduction, Up: (dir)
-Gnash Developer's Guide version 0.4.3
-*************************************
+Gnash Manual
+************
* Menu:
* Introduction::
-* Technical Specifications::
-* Installing and Configuring Gnash::
* Using Gnash::
+* Installing and Configuring Gnash::
* Reporting Bugs::
+* Technical Specifications::
* Glossary::
-* AMF Format: AMF Format <1>.
* RTMP Protocol::
* Authors::
* GNU Free Documentation License::
@@ -28,17 +26,14 @@
Introduction
-* What does Gnash run on?::
-* What Versions of Flash are Supported?::
+* What Is Supported ?::
* Audience::
-* Guide Conventions::
-* Acknowledgments::
-Technical Specifications
+Using Gnash
-* ActionScript::
-* Memory Management::
-* Security::
+* Gnash Command Line Options::
+* Gnash Interactive Control Keys::
+* User Configuration File::
Installing and Configuring Gnash
@@ -48,12 +43,6 @@
* Building from Source::
* Installation::
-Using Gnash
-
-* Gnash Command Line Options::
-* Gnash Interactive Control Keys::
-* User Configuration File::
-
Reporting Bugs
* Compile the latest Gnash build::
@@ -61,9 +50,14 @@
* Review the bug writing guidelines::
* Filing a bug report::
+Technical Specifications
+
+* Memory Management::
+* Security::
+
RTMP Protocol
-* AMF Format: AMF Format <1>.
+* AMF Format::
GNU Free Documentation License
@@ -81,69 +75,77 @@
* Addendum::
-File: gnash.info, Node: Introduction, Next: Technical Specifications, Prev:
Top, Up: Top
+File: gnash.info, Node: Introduction, Next: Using Gnash, Prev: Top, Up: Top
1 Introduction
**************
-Gnash is a free Flash movie player. It is available as a stand-alone
-application or as a plugin for several popular browsers.
-
- Gnash is based on the excellent work done on the public domain
-program GameSWF, which is a graphics library for games that contains
-the heart of a Flash interpreter. In December 2005, Gnash was forked
-from GameSWF and repackaged in the GNU project style. The objective of
-Gnash is to create an enterprise-quality Flash movie player that can be
-widely deployed.
+Gnash is a free SWF movie player. It is available as a stand-alone
+application or as a plugin for several popular web browsers. It
+supports playing media from a disk or streaming over a network
+connection. Some popular video sharing sites like YouTube are supported
+from a wide vaariety of devices from embedded ones to modern desktops.
+
+ Gnash has a better focus on security, allowing the user tight
+control of all network or disk based I/O. Gnash also supports extending
+ActionScript by creating your own. You can write wrappers for any
+development library, and import them into the player much like perl or
+python does.
* Menu:
-* What does Gnash run on?::
-* What Versions of Flash are Supported?::
+* What Is Supported ?::
* Audience::
-* Guide Conventions::
-* Acknowledgments::
-
-
-File: gnash.info, Node: What does Gnash run on?, Next: What Versions of
Flash are Supported?, Up: Introduction
-
-1.1 What does Gnash run on?
-===========================
-
-The list of successful Gnash deployments grows every day. At this
-time, Gnash has been found to run on several different UNIX and Linux
-distributions. The plugin currently works with any browser that uses
-the NSAPI. This includes:
-
- * Mozilla `http://www.mozilla.org'
-
- * Firefox `http://www.mozilla.com/en-US/firefox'
-
- * Galeon `galeon.sourceforge.net'
-
- * Epiphany `gnome.org/projects/epiphany'
-
- * Konqueror `http://www.konqueror.org'
-
- * Opera `http://www.opera.com'
-
- * OLPC Web Activity `http://www.laptop.org'
-File: gnash.info, Node: What Versions of Flash are Supported?, Next:
Audience, Prev: What does Gnash run on?, Up: Introduction
+File: gnash.info, Node: What Is Supported ?, Next: Audience, Up:
Introduction
-1.2 What Versions of Flash are Supported?
-=========================================
+1.1 What Is Supported ?
+=======================
-Gnash supports the majority of Flash opcodes up to SWF version 7, and a
-wide sampling of ActionScript classes for SWF version 7. There are
-plans to work towards greater support for SWF 8 and beyond. AMF
-support is minimal.
+Gnash is known to compile for most any POSIX and ANSI C++ conforming
+system if you have all the dependent libraries installed. Systems we
+test on, and which Gnash is know to run on are Ubuntu, Fedora, Debian,
+OpenBSD, NetBSD, FreeBSD, Win32, and Darwin (OSX) primarily.
+Occasionally other platforms are built, primarily by those distribution
+maintainers. This includes BeOS, Haiku, Syllable, OS/2, Solaris,
+Slackware, and Gentoo.
+
+ Gnash is a capable of reading up to SWF v9 files and opcodes, but
+primarily supports SWF v7, with better SWF v8 and v9 support under
+heavy developement. With the 0.8.2 release, Gnash includes initial
+parser support for SWF v8 and v9. Not all ActionScript 2 classes are
+implemented yet, but all of the most heavily used ones are. Many
+ActionScript 2 classes are partially implemented; there is support for
+all of the commonly used methods of each class.
+
+ As ActionsScript 3 is a more developed version of ActionScript 2,
+many of the same classes work for both. Support has been added to
+Gnash's ActionScript library to support the new ActionScript 3 filters,
+which get applied to every class. Implementing ActionScript clases is
+often the easiest way for new Gnash developers to make a contribution
+without a deep internal knpowledge of Gnash.
+
+ Gnash has included video support since early 2007, but this is an
+every changing field of reverse engineering. Many of the popular video
+sharing sites use SWF v8 or v9, which Gnash still has imperfect support
+for. This is improving all the time, so often builds from a development
+snapshot will work when using the older release packaged in your
+distribution doesn't. You can find daily snapshots of the latest CVS
+tree at: http://www.gnashdev.org/dev_snapshots
+(http://www.gnashdev.org/dev_snapshots/).
+
+ Gnash uses ffmpeg for codecs, so any file suppored by Mplayer should
+work with Gnash. Gnash supports the loading of patent free codecs like
+Ogg Vorbis or Theora from disk based files, while work is being done to
+support these codecs when embedded in a SWF file. Ffmpeg contains the
+codecs used by the current SWF defintion, FLV, VP6 (ON2), H.263, H.264,
+and MP3.
-File: gnash.info, Node: Audience, Next: Guide Conventions, Prev: What
Versions of Flash are Supported?, Up: Introduction
+File: gnash.info, Node: Audience, Prev: What Is Supported ?, Up:
Introduction
-1.3 Audience
+1.2 Audience
============
This manual is primarily focused on developers interested in
@@ -153,249 +155,694 @@
cumbersome for the average user, although advanced users may find it
helpful.
- Those who are new to Gnash will find the Gnash User's Guide,
-currently under development, to be more useful when learning to use
-Gnash.
-
-File: gnash.info, Node: Guide Conventions, Next: Acknowledgments, Prev:
Audience, Up: Introduction
+File: gnash.info, Node: Using Gnash, Next: Installing and Configuring Gnash,
Prev: Introduction, Up: Top
-1.4 Guide Conventions
-=====================
+2 Using Gnash
+*************
-This guide makes use of the following fairly standard typefaces,
-highlighting, and language usage:
+When used as a standalone player, you can play any Flash file from the
+command line by entering a command of the format:
-application
- The typeface above will be used whenever an application, such as
- Firefox or OpenOffice.org, is mentioned.
-
-`command'
- The typeface above will be used whenever the text instructs a user
- to enter a command at a shell prompt in UNIX/Linux, such as `ls'.
-
-`computeroutput'
- This is the typeface used to indicate information produced on
- `stdout' by the computer. This include error messages and prompts.
-
-`filename'
- This typeface indicates that the text is the name (and possibly
- the path) of a specific file on the system in question. For
- example, `/etc/hosts' would appear in this typeface.
-
-guibutton
- This formatting indicates a button on a Graphical User Interface
- (GUI). If this formatting appears, look for a button with the
- same text on the GUI of the Gnash player; the button itself may
- look slightly different.
-
-guimenu
- This typeface indicates the topmost menu item in a GUI. For
- example, in many applications the File menu item is a top=level
- menu item.
-
-guimenuitem
- This typeface indicates a sub-menu item in a GUI. For example, in
- many applications the Save As menu item is a sub-menu item.
-
-guitext
- This typeface indicates a text string on the GUI. This is
- generally a text string that appears on the GUI that is not a
- button or menuitem.
-
-<key>
- This typeface indicates a specific key on the keyboard. For
- example, the <Ctrl> key appears in this typeface.
-
-<key><combination>
- This formatting indicates a set of keys to be pressed at the same
- time. A familiar key combination is <Ctrl><Alt><Delete>.
-
-<REPLACEABLE>
- Whenever a general term is included in an example as a
- placeholder, it will be signaled by this formatting. This
- formatting will usually appear inside other formatting. For
- example, `/home/<USERNAME>' indicates the home directory of a
- user, whose actual username would be substituted in for <USERNAME>.
-
-`User input'
- This typeface indicates anything that the user must enter, whether
- that is at a shell prompt or in response to a GUI prompt.
-
-File: gnash.info, Node: Acknowledgments, Prev: Guide Conventions, Up:
Introduction
+ gnash <option> <flashfile.swf>
-1.5 Acknowledgments
-===================
+The only required argument is the name (and location)of the file to be
+played.
+
+ The available options are listed in the following section, or you
+may view them in the terminal window by executing the following at the
+command line:
-The first version of this guide was written by Rob Savoye. If not for
-his tireless efforts, this book - and this project - would never have
-come this far.
- John Steinhart has also been dedicated to the project from the
-beginning. I have shamelessly plagiarized one of his early announcement
-emails in the early part of this chapter.
+ gnash --help |less
- Ann Barcomb was instrumental in taking this guide from the 0.3.0 to
-the 0.4.0 version, incorporating the many changes that came with Gnash
-version 0.8.0.
+ The source code download of Gnash includes several example .SWF
+files. They are located in the `testsuite/samples/' directory of the
+Gnash source directory. If you have installed Gnash correctly, issuing
+the a command similar to the following plays a short animation of a car
+swerving and crashing:
- Finally, thanks to all of the Gnash developers I haven't mentioned
-for all their hard work, and for answering my unending questions.
-
-File: gnash.info, Node: Technical Specifications, Next: Installing and
Configuring Gnash, Prev: Introduction, Up: Top
+ gnash
+ /home/<username>/gnash/testsuite/car_smash.swf
-2 Technical Specifications
-**************************
+PNG
+
+
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-The information in this chapter may change quickly. For the most
-current information about the following subjects, be sure the check the
-Developer's Wiki at `http://www.gnashdev.org/wiki/index.php/Main_Page'.
+ The above is useful for playing Flash files downloaded to your local
+system. It is also possible to play Flash files directly from the web.
+To do so, use the `-u' option along with the URL of the desired file.
+
+
+ gnash -u http://example.domain.com/flashfile.swf
+
+Note that this will not work with every website; some embedded Flash
+files are difficult to play.
* Menu:
-* ActionScript::
-* Memory Management::
-* Security::
+* Gnash Command Line Options::
+* Gnash Interactive Control Keys::
+* User Configuration File::
-File: gnash.info, Node: ActionScript, Next: Memory Management, Up:
Technical Specifications
+File: gnash.info, Node: Gnash Command Line Options, Next: Gnash Interactive
Control Keys, Up: Using Gnash
-2.1 ActionScript
-================
+2.1 Gnash Command Line Options
+==============================
-As stated in the section *note What Versions of Flash are Supported?::,
-Gnash has implemented about 80% of ActionScript v. 2.0, and has begun
-implementing ActionScript v. 3.0. Gnash supports the majority of Flash
-opcodes up to SWF version 7, and a wide sampling of ActionScript
-classes for SWF version 7.
-
- The following table indicates how fully various ActionScript classes
-have been implemented:
-
- *ActionScript Classes*
-
-Class Status
-Actionscript/Date Implemented
-Actionscript/Function Implemented
-Actionscript/MovieClip Implemented
-Actionscript/MovieClipLoader Implemented
-Actionscript/Object Implemented
-Actionscript/Sound Implemented
-Actionscript/String Implemented
-Actionscript/XMLNode Implemented
-Actionscript/XMLSocket Implemented
-Actionscript/_global Partially Implemented
-Actionscript/Array Partially Implemented
-Actionscript/LocalConnection Partially Implemented
-Actionscript/NetConnection Partially Implemented
-Actionscript/NetStream Partially Implemented
-Actionscript/TextField Partially Implemented
-Actionscript/XML Partially Implemented
-Actionscript/Boolean Unimplemented
-Actionscript/Error Unimplemented
-Actionscript/LoadVars Unimplemented
-Actionscript/Number Unimplemented
-Actionscript/Selection Unimplemented
-Actionscript/TextFormat Unimplemented
-Actionscript/Unknown Unimplemented
-
- The next table indicates which opcodes have been implemented:
-
- *Opcodes*
-
-Opcode Status
-0x43 declare_obj Implemented
-0x2B cast Implemented
-0x3B delete2 - SWF::ACTION_DELETE Implemented
-0x53 new_method Implemented
-0x55 enum_object Implemented
-0x3A delete - SWF::ACTION_DELETEVAR Implemented
-0x69 Extends - SWF::ACTION_EXTENDS Implemented
-0x54 instance_of Partially Implemented
-0x2A Throw Unimplemented
-0x2C Implements Unimplemented
-0x8F Try Unimplemented
-0x31 md length Unimplemented
-0x35 md substring Unimplemented
-0x37 md chr Unimplemented
-0x45 get target Unimplemented
+No options are required for Gnash's default behavior. However, there
+are many options that can be used to that behavior.
-
-File: gnash.info, Node: Memory Management, Next: Security, Prev:
ActionScript, Up: Technical Specifications
-2.2 Memory Management
-=====================
+ gnash <options>
+ filename.swf
-One of the new features of Gnash 0.8.2 is the garbage collector. The
-garbage collector manages complex ActionScript variables, which are the
-only ones that are shared by references. In Gnash, these are
-`as_object' class instances created by ActionScript (i.e. not those
-created by playhead control: `placeobject'/`removeobject').
- Collected objects are those allocated due to ActionScript explicit
-or implicit calls. Explicit all are any user-defined statements that
-allocate new objects, such as arrays, Objects, or script-created
-movieclips. Implicit calls are the built-in functions that can be
-deleted by arbitrary user calls.
+ *Gnash Command Line Options*
- Any object that is a candidate for garbage collecting is stored in a
-list owned by the collector. This list is filled by an executing
-action context whenever a collectible object is allocated on the heap.
+Option Function
+`-h' Print usage information.
+`-s factor' Scale the movie up/down by the
+ specified factor.
+`-c' Produce a core file instead of
+ letting SDL trap it. By default,
+ SDL traps all signals, but
+ sometimes a core file is desired to
+ assist with debugging.
+`-d num' Number of milliseconds to delay in
+ main loop. The main loop polls
+ continuously with a delay to adjust
+ how long _Gnash_ sleeps between
+ iterations of the loop. The smaller
+ the number, the higher the CPU load
+ gets, and of course, the more
+ iterations of the main command loop.
+`-p' Run full speed (no sleep) and log
+ frame rate.
+`-a' Enable Actionscript debugging.
+`-v' Be verbose; i.e. print debug
+ messages to stdout.
+`-va' Be verbose about movie Actions.
+`-vp' Be verbose about parsing the
+ movie. Warning: this can generate a
+ lot of text, and can affect the
+ performance of the movie you are
+ playing.
+`-ml bias' Specify the texture LOD bias
+ (float, default is -1) This affects
+ the fuzziness of small objects,
+ especially small text.
+`-w' Write a debug log called
+ gnash-dbg.log. This will record of
+ all the debug messages whether they
+ are printed to the screen or not.
+`-j' Specify the width of the window.
+ This is mostly used only by the
+ plugin.
+`-k' Specify the height of the window.
+ This is mostly used only by the
+ plugin.
+`-1' Play once; exit when/if movie
+ reaches the last frame. This is the
+ default.
+`-r [0|1|2|3]' ? [undisplayable block object]
+`-t sec' Timeout and exit after the
+ specified number of seconds. This
+ is useful for movies which repeat
+ themselves.
+`-g' Start Gnash with a Flash debugger
+ console so one can set break points
+ or watchpoints.
+`-x id' This specifies the X11 window ID
+ to display in; this is mainly used
+ by plugins.
+`-b bits' Bit depth of output window (for
+ example, 16 or 32). Appropriate bit
+ depths depend on the renderer and
+ GUI library used.
+`-u url' Set the _url member of the root
+ movie. This is useful when you
+ download a movie and play it from a
+ different location. See also the -U
+ switch.
+`-U baseurl' Set base URL for this run. URLs
+ are resolved relative to this base.
+ If omitted defaults to the _url
+ member of the top-level movie (see
+ the -u switch).
+`-P entrymeter' Parameters are given in
+ ParamName=Value syntax and are
+ mostly useful to the plugin to
+ honour EMBED tags attributes or
+ explicit OBJECT PARAM tags. A
+ common use for -P is to provide
+ FlashVars (ie: -P
+ "FlashVars=home=http://www.gnu.org";).
+`-F filedescriptor' Use the given filedescriptor to
+ send requests to the host
+ application. This is currently only
+ used for GETURL requests. The
+ protocol is not documented yet, and
+ also needs improvement. Primary
+ use for this switch is for the
+ NPAPI plugin to properly support
+ javascript and target windows in
+ geturl requests.
- The garbage collector starts at the very end of an execution
-context, rather than using a threshold to trigger it. At this point,
-the virtual machine is in a "stable" state; any still-reachable object
-has its roots in one of the currently live character instances (stage
-characters).
+
+File: gnash.info, Node: Gnash Interactive Control Keys, Next: User
Configuration File, Prev: Gnash Command Line Options, Up: Using Gnash
- The collector is a conservative collector. Any object on the
-collectibles list is marked as UNREACHABLE, an iterative scan starting
-from the roots marks any still-reachable object, and a final purge
-releases all still-UNREACHABLE resources.
+2.2 Gnash Interactive Control Keys
+==================================
+
+While a movie is playing, there are several control keys. These can be
+used to step through frames, pause the playing, and control other
+actions.
- This garbage collector has reduced the memory footprint of Gnash.
-However, the most current, available test data indicated the following
-runtime memory footprint:
- *Memory Footprint*
-Render GUI Virtual Memory Resident Set Size Shared Memory
- (physical RAM (code size)
-agg-gtk 33372 KB 14 MB 8948 KB
-agg-sdl 26564 KB 9396 KB 5124 KB
-agg-fltk 24556 KB 8992 KB 4220 KB
-cairo-fltk 184 MB 128 MB 4284 KB
-cairo-gtk 192 MB 133 MB 8000 KB
-cairo-sdl 187 MB 129 MB 5256 KB
-opengl-gtk 62620 KB 15 MB 9336 KB
-opengl-sdl 54932 KB 10 MB 5324 KB
+ *Gnash Interactive Control Keys*
+
+Key Combination Function
+`CTRL-Q' Quit/Exit.
+`CTRL-W' Quit/Exit.
+`ESC' Quit/Exit.
+`CTRL-P' Toggle Pause.
+`CTRL-R ' Restart the movie.
+`CTRL-[ or kp-' Step back one frame.
+`CTRL-] or kp+' Step forward one frame.
+`CTRL-L' Force immediate redraw.
+`CTRL-T' Debug. Test the set_variable()
+ function.
+`CTRL-G' Debug. Test the get_variable()
+ function.
+`CTRL-M' Debug. Test the call_method()
+ function.
+`CTRL-B' Toggle the background color.
-File: gnash.info, Node: Security, Prev: Memory Management, Up: Technical
Specifications
+File: gnash.info, Node: User Configuration File, Prev: Gnash Interactive
Control Keys, Up: Using Gnash
-2.3 Security
-============
+2.3 User Configuration File
+===========================
-Many Flash implementations contain potential security exploits that
-could compromise a viewer's system. With Gnash, an end-user has the
-ability to see "what's going on" -- what types of data the application
-accesses, where it is found, and how it is used. Many known Flash
-exploits are included in the Gnash test suite that is used to check
-whether a release is ready for the public. The Gnash developers are
-also in the process of a security review, developing a security layer
-that will protect an end-user, no matter what operating system they use.
+Individual user preferences may be set by editing variables with the
+`.gnashrc' file:
- One early security feature is the blacklist/whitelist. Flash movies
-running in a browser can make outgoing network connections. This can be
-used, for example, to compromise a network device inside a company
-firewall via a Flash movie running on an employee's browser. Gnash
-allows you to blacklist hosts that you know are insecure, or to
-whitelist hosts you know are secure, by editing a configuration file.
+
+ ~/.gnashrc
+
+ Each line must begin with an action: either _set_ or, in the case of
+lists, also _append_.
+
+ The values in this configuration file apply only to an individual
+user, and become the default settings of the standalone player and the
+plugin. Note that any command line options take precedence over
+`.gnashrc' settings.
+
+ The variables in the `.gnashrc' file support three types of
+arguments: on/off, numeric values, or in the case of the whitelist and
+blacklist, a list of hostnames as ASCII text.
+
+
+
+ *User Configuration Variables*
+
+Variable Value Function
+localdomain on/off This value can be set
+ to either _on_ or
+ _off_, and controls the
+ loading of external
+ Flash movies over a
+ network. This option
+ tells Gnash to only
+ load Flash movies from
+ the existing domain.
+localhost on/off This value can be set
+ to either _on_ or
+ _off_, and controls the
+ loading of external
+ Flash movies over a
+ network. This is a
+ stricter version of the
+ _localdomain_ setting as
+ this allows the loading
+ of Flash movies to the
+ same host that is
+ running Gnash.
+whitelist hostnames This is a list of
+ hostnames separated by
+ spaces, or _off_ to
+ disable the whitelist.
+ The hostname must be
+ given without a
+ protocol (http://,
+ https://). If this list
+ is populated, Gnash
+ will only load external
+ Flash movies from the
+ specified hosts. The
+ whitelist takes
+ precedence over the
+ blacklist. Because
+ several files can be
+ parsed in succession,
+ each file can override
+ or add to lists in
+ other files. Use _set_
+ to override all other
+ lists or _append_ to
+ add your blacklisted
+ hosts to lists in
+ previously parsed files.
+blacklist hostnames This is a list of
+ hostnames separated by
+ spaces, or _off_ to
+ disable the blacklist.
+ The hostname must be
+ given without a
+ protocol (http://,
+ https://). External
+ flash movies from these
+ domains are never
+ allowed to load. If
+ whitelist is present
+ and not empty,
+ blacklist is not used.
+ Because several files
+ can be parsed in
+ succession, each file
+ can override or add to
+ lists in other files.
+ Use _set_ to override
+ all other lists or
+ _append_ to add your
+ blacklisted hosts to
+ lists in previously
+ parsed files.
+localSandboxPath dirs This is a list of
+ directories separated
+ by spaces. Only
+ resources from these
+ directories and from
+ the directory portion
+ of movie filename (if
+ loaded from filesystem)
+ are allowed to load.
+ Because several files
+ can be parsed in
+ succession, each file
+ can override or add to
+ lists in other files.
+ Use _set_ to override
+ all other lists or
+ _append_ to add new
+ sandboxes. Note that
+ there's currently no
+ way to *drop* the
+ directory of base dir
+ from the list of
+ allowed local sandboxes.
+delay Number Gnash uses a
+ timer-based event
+ mechanism to advance
+ frames at a steady
+ rate. This option
+ overrides the default
+ setting in Gnash to
+ play a movie slower or
+ faster.
+verbosity Number This is a numeric value
+ which defines the
+ default level of
+ verbosity from the
+ player.
+MalformedSWFVerbosity on/off This value can be set
+ to either _on_ or
+ _off_, and controls
+ whether malformed SWF
+ errors should be
+ printed. If set to
+ true, verbosity level
+ is automatically
+ incremented. Set
+ `verbosity' to 0
+ afterwards to hush.
+ASCodingErrorsVerbosity on/off This value can be set
+ to either _on_ or
+ _off_, and controls
+ whether ActionScript
+ coding errors should be
+ printed. If set to
+ true, verbosity level is
+ automatically
+ incremented. Set
+ `verbosity' to 0
+ afterwards to hush.
+debuglog Absolute path This is the full path
+ and name of debug
+ logfile as produced by
+ Gnash. On systems with
+ a UNIX-type shell, a
+ tilde prefix (~) will
+ be expanded as by Posix
+ shell requirements (see
+
http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_01).
+writelog on/off This value can be set
+ to either _on_ or
+ _off_, and controls
+ whether a debug log is
+ always written by
+ Gnash, or not at all.
+sound on/off This value can be set
+ to either _on_ or
+ _off_, and controls the
+ sound of the standalone
+ player. By default
+ Gnash enables playing
+ the sound in any Flash
+ movie.
+pluginsound on/off This value can be set
+ to either _on_ or
+ _off_, and controls the
+ sound of the player
+ when running as a
+ browser plugin. By
+ default, sound is
+ enabled when using
+ Gnash as a browser
+ plugin.
+EnableExtensions on/off Set to _on_ to enable
+ extensions. This option
+ is _off_ by default
+StartStopped on/off Set to _on_ to have the
+ GUI start in "stop"
+ mode. This is useful in
+ particular for the
+ plugin, so you have to
+ explicitly start any
+ movie on a webpage.
+ This option is _off_ by
+ default.
+flashVersionString string Set the string returned
+ by $version and
+ System.capabilities.version.
+ Useful to get around
+ some flash version
+ detection movies. Note
+ that the version
+ advertised by the
+ plugin is NOT affected
+ by this setting,
+ instead you need to set
+ the GNASH_FLASH_VERSION
+ environment variable for
+ the latter (which
+ doesn't affect $version
+ and
+ System.capabilities.version).
+flashSystemOS string The string that Gnash
+ should return for
+ System.capabilities.OS
+flashSystemManufacturer string The string that Gnash
+ should return for
+
System.capabilities.manufacturer
+StreamsTimeout double Set the number of
+ seconds after which
+ streams download time
+ out. Note that timeouts
+ only occurs after the
+ given number of seconds
+ passed w/out anything
+ was received.
+insecureSSL on/off If set to _on_, no
+ verification of SSL
+ connections is
+ performed. This means
+ that, although the
+ connection is
+ encrypted, the server
+ certificate could be
+ invalid, may not belong
+ to the host, or both.
+ Equivalent to curl
+ -insecure. By default,
+ this option is _off_ and
+ connections will fail
+ when a host cannot be
+ verified.
+SOLsafedir Absolute path The full path to a
+ directory where Gnash
+ should store Shared
+ Object files ("flash
+ cookies") if they are
+ enabled.
+SOLreadonly on/off If set to _on_, Gnash
+ will not write Shared
+ Object files.
+URLOpenerFormat string Set the format of an
+ url opener command. The
+ %u label would be
+ substituted by the
+ actual url to be opened.
+ Examples: ?
+ [undisplayable block
+ object]
+
+ The following example `.gnashrc' file allows a user to only play
+Flash files saved locally to the machine on which Gnash is running. It
+also specifically forbids content from doubleclick.com and
+mochibot.com. Gnash's error output is set to be fairly verbose, with
+the debug log placed in a location convenient for the user. Finally,
+sound is turned on for both the standalone player and the plugin.
+
+
+
+ #
+ # Gnash client options
+ #
+
+ # Only access remote content from our local domain
+ set localdomain on
+
+ # Only access content from our local host
+ set localhost on
+
+ # These sites are OK
+ # uncommenting the following line will allow load of external
+ # movies *only* from the specified hosts.
+ #set whitelist www.doonesbury.com www.cnn.com www.9news.com
+
+ # Disable whitelists set in any other gnashrc files, because
+ # these could override our blacklist.
+ set whitelist off
+
+ # Don't access content from these sites
+ set blacklist www.doubleclick.com mochibot.com
+
+ # The delay between timer interrupts
+ set delay 50
+
+ # The default verbosity level
+ set verbosity 1
+
+ # Be verbose about malformed SWF
+ set MalformedSWFVerbosity true
+
+ # Be verbose about AS coding errors
+ set ASCodingErrorsVerbosity true
+
+ # The full path to the debug log
+ set debuglog ~/gnash-dbg.log
+
+ # Write a debug log to disk
+ set writelog on
+
+ # Enable or Disable sound for the standalone player
+ set sound on
+
+ # Enable or Disable sound for the standalone player
+ set pluginsound on
+
+ # Make sure SSL connections are always verified
+ set insecureSSL off
+
+ # Use firefox to open urls
+ set urlOpenerFormat firefox -remote 'openurl(%u)'
-File: gnash.info, Node: Installing and Configuring Gnash, Next: Using Gnash,
Prev: Technical Specifications, Up: Top
+File: gnash.info, Node: Installing and Configuring Gnash, Next: Reporting
Bugs, Prev: Using Gnash, Up: Top
3 Installing and Configuring Gnash
**********************************
@@ -449,31 +896,32 @@
The following table provides a list of the Operating System/CPU
combinations on which Gnash has been shown to run.
-*Build Matrix*
+
+
+ *Build Matrix*
Render GUI Virtual Memory
-FreeBSD Alpha AXP, AMD64, i386, Itanium,
+OpenBSD, FreeBSD, NetBSD Alpha AXP, AMD64, i386, Itanium,
PC-98, PowerPC, SPARC64
-GNU/Linux CRIS
-GNU/Linux [OLPC] Geode GX
-GNU/Linux ALTLinux i586
-GNU/Linux Arklinux i586
-GNU/Linux Debian Alpha AXP, AMD64, ARM, hppa, i386,
+ALTLinux i586
+Arklinux i586
+Debian Alpha AXP, AMD64, ARM, hppa, i386,
Itanium, MIPS, PowerPC, IBM zSeries
(s390), SPARC
-GNU/Linux Fedora core x86-32, x86-64
-GNU/Linux Gentoo AMD64, PowerPC, SPARC, x86
-GNU/Linux Gentoo AMD64, PowerPC, SPARC, x86
-GNU/Linux Maemo 2.1 ARMv5t
-GNU/Linux Mandriva 2007
-GNU/Linux Open Zaurus ARM
-GNU/Linux OpenSuSE 10 i586, x86-64
-GNU/Linux Red Hat x86-32, x86-64
-GNU/Linux Ubuntu x86-64 reported working, also
- x86-32 and UltraSPARC
-Haiku
+Fedora x86-32, x86-64, Geode GX, Geode LX
+Gentoo AMD64, PowerPC, SPARC, x86
+Maemo 2.1 i385, ARMv5t
+Scratchbox i386, ARMv5t
+Access Linux Platform i386, ARMv5t
+Mandriva i386
+Open Embedded ARM
+YellowDog Linux 6 PowerPC, PS3
+OpenSuSE 10 i586, x86-64
+Red Hat Enterprise and CentOS x86-32, x86-64
+Ubuntu x86-64, x86-32, PowerPC, UltraSPARC
+Haiku i386
Irix 6.5 MIPS R10K
-MacOS X PowerPC and x86-32
+Darwin (MacOS X) PowerPC and x86-32
NetBSD many, including VAX
OpenBSD many, including VAX, OS/2 and
eComstation
@@ -516,23 +964,25 @@
*Note*
If you want to install the Gnash plugin for one of the browsers
- listed in the *note Introduction::, be sure to install the
+ listed in the *Note Introduction::, be sure to install the
development package for that browser before configuring. The
Gnash `configure' script searches for the devel packages before
building the plugin.
+
*Code Dependency Table*
Name Level Version DescriptionExplanationapt-get RPM/Yum
package package
-Boost Required 1.32 or Boost is In Gnash,
`libboost-thread-dev'`liboost-thread-dev'
- higher a library Boost
- of libraries
- portable are used
- C++ extensively.
- classes
- and
- templates.
+Boost Required 1.32 or Boost is In Gnash, `libboost-thread-dev,`
+ higher a library Boost
libboost-date-time-devliboost-thread-dev,
+ of libraries '
libboost-date-time
+ portable are used '
+ C++ extensively,
+ classes primarily
+ and boost-gthread
+ templates. and
+ boost-date-time.
libxml2 Required Libxml2 This
`libxml2-dev'`libxml2-devel'
is the library
GNOME XML is used
@@ -700,13 +1150,6 @@
plugin
for
Konqueror.
-libMAD Optional libMAD libMAD is
`libmad0-dev'`libmad-devel'
- is MPEG one of
- audio the
- decoder. available
- options
- for sound
- handling.
Gstreamer Optional Gstreamer If you
`libgstreamer0.8-dev'`gstreamer-devel'
is a would
video like
@@ -739,8 +1182,8 @@
one of
the video
handlers.
- It is also
- a
+ It is
+ also a
dependency
of
gst-ffmpeg.
@@ -839,6 +1282,8 @@
Gnash tries to run as many tests as possible, but will simply skip
tests if the tools to run them are unavailable.
+
+
*Testing Dependency Table*
Name Level Version DescriptionExplanationapt-get RPM/Yum
@@ -877,6 +1322,8 @@
The following packages are used to build Gnash's documentation.
+
+
*Documentation Dependency Table*
Name Level Version DescriptionExplanationapt-get RPM/Yum
@@ -1135,7 +1582,7 @@
./configure --disable-debugger --disable-cygnal --disable-docbook \
- --disable-plugin --enable-media=mad --enable-gui=sdl
+ --disable-plugin --enable-media=ffmpeg --enable-gui=sdl
* Menu:
@@ -1159,11 +1606,13 @@
renderer is OpenGL.
* `--enable-media' permits a media handler to be selected. The
- default is FFMPEG with SDL sound.
+ default is Gstreamer.
A complete list of available features follows.
-*Configuration Options - Features*
+
+
+ *Configuration Options - Features*
Option Function
`--enable-debugger' Enable support for the Flash
@@ -1205,14 +1654,10 @@
used by Klash.
`--enable-mac' Link to Qt/Mac (don't use X). This
is only used by Klash.
-`--enable-media=ffmpeg|mad|gst' Select the specified media decoder
- and sound engine. FFMPEG and MAD
- use the SDL sound engine; GST uses
- its own. MAD only decodes MP3
- sounds and uses integer arithmetic
- while the others also decode video
- files and use floating point.
- `FFMPEG' is the default decoder. ?
+`--enable-media=ffmpeg|gst|none' Select the specified media decoder
+ and sound engine. FFMPEG uses the
+ SDL sound engine; GST uses its own.
+ `GST' is the default decoder. ?
[undisplayable block object] You
should only select one media
decoder.
@@ -1290,7 +1735,9 @@
The following custom path options are available:
-*Custom Path Options*
+
+
+ *Custom Path Options*
Option Function
`--x-includes=DIR' X include files are in DIR.
@@ -1453,15 +1900,34 @@
on your workstation. This includes cross compilers for the target
architecture, and some system headers. You will also need the
following packages to be built for the target system: _libxml2_,
-_libpng_ (if used), _libjpeg_ (if used), your GUI library, your
+_libpng_ (if used), _libjpeg_,oost _b_, your GUI library, your
renderer, and your video handler (if used). The page
http://frank.harvard.edu/~coldwell/toolchain/
(http://frank.harvard.edu/~coldwell/toolchain/) has instructions on
building a target system from scratch and offers a shell script to make
the process easier.
- Note that you may have some difficulties getting libMesa (opengl) to
-cross compile.
+ If you need to build up a target system from scratch, there is a
+good document and shell script at this web site:
+http://frank.harvard.edu/~coldwell/toolchain/
+(http://frank.harvard.edu/~coldwell/toolchain/).
+
+ There is also up to date information on the Gnash Developers web
+site at: http://www.gnashdev.org (http://www.gnashdev.org). This is the
+best place for detailed informatin on various systems.
+
+ After I built up an ARM system in /usr/arm using the shell script
+from this web site, I then cross compiled all the other libraries I
+needed. The fun part is trying to get libMesa and boost to cross
+compile, because they're not really set up for it.
+
+ So to build for an ARM based system on an x86 based systems,
+configure like this:
+
+
+ ../../gnash/configure --build=i686-pc-linux-gnu
+ --host=arm-linux --prefix=/usr/local/arm/oe --disable-nsapi
+ --disable-kparts --enable-gui=fb --enable-renderer=agg --disable-shared
The important configuration options are the ones which specify the
architecture for the build:
@@ -1789,178 +2255,1441 @@
which menu item Gnash appears in the _GNOME help_ system.
-File: gnash.info, Node: Using Gnash, Next: Reporting Bugs, Prev: Installing
and Configuring Gnash, Up: Top
+File: gnash.info, Node: Reporting Bugs, Next: Technical Specifications,
Prev: Installing and Configuring Gnash, Up: Top
-4 Using Gnash
-*************
+4 Reporting Bugs
+****************
-When used as a standalone player, you can play any Flash file from the
-command line by entering a command of the format:
+The Gnash project relies on the community to use and test the player;
+feedback is critical to any successful project. Not only does it let
+us know that people use Gnash, but it helps us understand the
+community's needs. Gnash uses a bug tracker on
+`http://savannah.gnu.org' to manage these reports.
+ When filing a report, please follow the guidelines below. The better
+your bug report is, the easier it will be for the developers to address
+the issue.
- gnash <option> <flashfile.swf>
+ 1. Compile the latest Gnash build. (*note Compile the latest Gnash
+ build::)
-The only required argument is the name (and location)of the file to be
-played.
+ 2. Determine if the bug was previously reported. (*note Determine if
+ the bug was previously reported::)
- The available options are listed in the following section, or you
-may view them in the terminal window by executing the following at the
-command line:
+ 3. Review the bug writing guidelines. (*note Review the bug writing
+ guidelines::)
+* Menu:
- gnash --help |less
+* Compile the latest Gnash build::
+* Determine if the bug was previously reported::
+* Review the bug writing guidelines::
+* Filing a bug report::
- The source code download of Gnash includes several example .SWF
-files. They are located in the `testsuite/samples/' directory of the
-Gnash source directory. If you have installed Gnash correctly, issuing
-the a command similar to the following plays a short animation of a car
-swerving and crashing:
+
+File: gnash.info, Node: Compile the latest Gnash build, Next: Determine if
the bug was previously reported, Up: Reporting Bugs
+4.1 Compile the latest Gnash build
+==================================
- gnash /home/<username>/gnash/testsuite/car_smash.swf
+Obtain a copy of the latest development checkout (*note Repository::)
+or development snapshot (*note Snapshot::). Put the source in an empty
+directory, then configure (*note Pre-Compile Configuration::) and
+compile (*note Compiling the Code::) Gnash.
+
+ If you are able to replicate the bug in the latest version, proceed
+to the next step (*note Determine if the bug was previously reported::).
+If you cannot replicate the bug with the newer version, the problem may
+have been solved, or the issue may involve your environment
+
+ To check this, create a fresh build of the version in which you
+encountered the bug. If you can reproduce the bug with the fresh copy
+of the original version, but cannot with the latest version, this is
+most likely a resolved bug.
+
+ If you cannot reproduce the bug, it may still be unclear whether the
+bug is related to your environment or a Gnash bug. Try to determine
+the source of the problem. Gnash offers several helpful debugging
+options in the configure stage, and many verbosity options at the
+command line to help.
+
+
+File: gnash.info, Node: Determine if the bug was previously reported, Next:
Review the bug writing guidelines, Prev: Compile the latest Gnash build, Up:
Reporting Bugs
+
+4.2 Determine if the bug was previously reported
+================================================
+
+Search the Gnash bug tracker
+(https://savannah.gnu.org/bugs/?group=gnash) to see if the bug has
+already been identified.
+
+ If the issue has already been reported, you should not file a bug
+report. However, you may add some additional information to the ticket
+if you feel that it will be beneficial to the developers. For
+instance, if someone reported a memory issue on Ubuntu GNU/Linux, and
+you noticed the same problem on OpenBSD, your stacktrace would be
+useful. Conversely, adding a "me too" note to a feature request is not
+helpful.
- The above is useful for playing Flash files downloaded to your local
-system. It is also possible to play Flash files directly from the web.
-To do so, use the `-u' option along with the URL of the desired file.
+
+File: gnash.info, Node: Review the bug writing guidelines, Next: Filing a
bug report, Prev: Determine if the bug was previously reported, Up: Reporting
Bugs
+4.3 Review the bug writing guidelines
+=====================================
- gnash -u http://example.domain.com/flashfile.swf
+A good bug report should be precise, explicit, and discrete. This
+means that there should be just one bug per ticket, and that a ticket
+should contain the following information:
-Note that this will not work with every website; some embedded Flash
-files are difficult to play.
+ * An overview of the problem;
+
+ * Instructions on how to replicate the bug;
+
+ * A description of what happened when you performed the steps to
+ replicate the bug, and what you expected to happen;
+
+ * Your system information: operating system name and version, as
+ well as the versions of major dependencies (*note Code
+ Dependencies::);
+
+ * The release number or checkout timestamp for the version of Gnash
+ where you observe the problem;
+
+ * The file `config.log', which should be attached as a file; and
+
+ * A descriptive title.
+
+ Include any additional information that you feel might be useful to
+the developers.
+
+
+File: gnash.info, Node: Filing a bug report, Prev: Review the bug writing
guidelines, Up: Reporting Bugs
+
+4.4 Filing a bug report
+=======================
+
+After following the steps described above, you can file a bug report at
+`https://savannah.gnu.org/bugs/?group=gnash'.
+
+
+File: gnash.info, Node: Technical Specifications, Next: Glossary, Prev:
Reporting Bugs, Up: Top
+
+5 Technical Specifications
+**************************
+
+The information in this chapter may change quickly. For the most
+current information about the following subjects, be sure the check the
+Developer's Wiki at `http://www.gnashdev.org/wiki/index.php/Main_Page'.
* Menu:
-* Gnash Command Line Options::
-* Gnash Interactive Control Keys::
-* User Configuration File::
+* Memory Management::
+* Security::
-File: gnash.info, Node: Gnash Command Line Options, Next: Gnash Interactive
Control Keys, Up: Using Gnash
+File: gnash.info, Node: Memory Management, Next: Security, Up: Technical
Specifications
-4.1 Gnash Command Line Options
-==============================
+5.1 Memory Management
+=====================
-No options are required for Gnash's default behavior. However, there
-are many options that can be used to that behavior.
+One of the new features of Gnash 0.8.2 is the garbage collector. The
+garbage collector manages complex ActionScript variables, which are the
+only ones that are shared by references. In Gnash, these are
+`as_object' class instances created by ActionScript (i.e. not those
+created by playhead control: `placeobject'/`removeobject').
+ Collected objects are those allocated due to ActionScript explicit
+or implicit calls. Explicit all are any user-defined statements that
+allocate new objects, such as arrays, Objects, or script-created
+movieclips. Implicit calls are the built-in functions that can be
+deleted by arbitrary user calls.
- gnash <options> filename.swf
+ Any object that is a candidate for garbage collecting is stored in a
+list owned by the collector. This list is filled by an executing
+action context whenever a collectible object is allocated on the heap.
-*Gnash Command Line Options*
+ The garbage collector starts at the very end of an execution context,
+rather than using a threshold to trigger it. At this point, the
+virtual machine is in a "stable" state; any still-reachable object has
+its roots in one of the currently live character instances (stage
+characters).
-Option Function
-`-h' Print usage information.
-`-s factor' Scale the movie up/down by the
- specified factor.
-`-c' Produce a core file instead of
- letting SDL trap it. By default,
- SDL traps all signals, but
- sometimes a core file is desired to
- assist with debugging.
-`-d num' Number of milliseconds to delay in
- main loop. The main loop polls
- continuously with a delay to adjust
- how long _Gnash_ sleeps between
- iterations of the loop. The smaller
- the number, the higher the CPU load
- gets, and of course, the more
- iterations of the main command loop.
-`-p' Run full speed (no sleep) and log
- frame rate.
-`-a' Enable Actionscript debugging.
-`-v' Be verbose; i.e. print debug
- messages to stdout.
-`-va' Be verbose about movie Actions.
-`-vp' Be verbose about parsing the
- movie. Warning: this can generate a
- lot of text, and can affect the
- performance of the movie you are
- playing.
-`-ml bias' Specify the texture LOD bias
- (float, default is -1) This affects
- the fuzziness of small objects,
- especially small text.
-`-w' Write a debug log called
- gnash-dbg.log. This will record of
- all the debug messages whether they
- are printed to the screen or not.
-`-j' Specify the width of the window.
- This is mostly used only by the
- plugin.
-`-k' Specify the height of the window.
- This is mostly used only by the
- plugin.
-`-1' Play once; exit when/if movie
- reaches the last frame. This is the
- default.
-`-r [0|1|2|3]' ? [undisplayable block object]
-`-t sec' Timeout and exit after the
- specified number of seconds. This
- is useful for movies which repeat
- themselves.
-`-g' Start Gnash with a Flash debugger
- console so one can set break points
- or watchpoints.
-`-x id' This specifies the X11 window ID
- to display in; this is mainly used
- by plugins.
-`-b bits' Bit depth of output window (for
- example, 16 or 32). Appropriate bit
- depths depend on the renderer and
- GUI library used.
-`-u url' Set the _url member of the root
- movie. This is useful when you
- download a movie and play it from a
- different location. See also the -U
- switch.
-`-U baseurl' Set base URL for this run. URLs
- are resolved relative to this base.
- If omitted defaults to the _url
- member of the top-level movie (see
- the -u switch).
-`-P entrymeter' Parameters are given in
- ParamName=Value syntax and are
- mostly useful to the plugin to
- honour EMBED tags attributes or
- explicit OBJECT PARAM tags. A
- common use for -P is to provide
- FlashVars (ie: -P
- "FlashVars=home=http://www.gnu.org";).
-`-F filedescriptor' Use the given filedescriptor to
- send requests to the host
- application. This is currently only
- used for GETURL requests. The
- protocol is not documented yet, and
- also needs improvement. Primary
- use for this switch is for the
- NPAPI plugin to properly support
- javascript and target windows in
- geturl requests.
+ The collector is a conservative collector. Any object on the
+collectibles list is marked as UNREACHABLE, an iterative scan starting
+from the roots marks any still-reachable object, and a final purge
+releases all still-UNREACHABLE resources.
+
+ This garbage collector has reduced the memory footprint of Gnash.
+However, the most current, available test data indicated the following
+runtime memory footprint:
-File: gnash.info, Node: Gnash Interactive Control Keys, Next: User
Configuration File, Prev: Gnash Command Line Options, Up: Using Gnash
+File: gnash.info, Node: Security, Prev: Memory Management, Up: Technical
Specifications
-4.2 Gnash Interactive Control Keys
-==================================
+5.2 Security
+============
-While a movie is playing, there are several control keys. These can be
-used to step through frames, pause the playing, and control other
-actions.
+Many Flash implementations contain potential security exploits that
+could compromise a viewer's system. With Gnash, an end-user has the
+ability to see "what's going on" -- what types of data the application
+accesses, where it is found, and how it is used. Many known Flash
+exploits are included in the Gnash test suite that is used to check
+whether a release is ready for the public. The Gnash developers are
+also in the process of a security review, developing a security layer
+that will protect an end-user, no matter what operating system they use.
-*Gnash Interactive Control Keys*
+ One early security feature is the blacklist/whitelist. Flash movies
+running in a browser can make outgoing network connections. This can be
+used, for example, to compromise a network device inside a company
+firewall via a Flash movie running on an employee's browser. Gnash
+allows you to blacklist hosts that you know are insecure, or to
+whitelist hosts you know are secure, by editing a configuration file.
-Key Combination Function
-`CTRL-Q' Quit/Exit.
-`CTRL-W' Quit/Exit.
-`ESC' Quit/Exit.
-`CTRL-P' Toggle Pause.
-`CTRL-R ' Restart the movie.
-`CTRL-[ or kp-' Step back one frame.
-`CTRL-] or kp+' Step forward one frame.
+* Menu:
+
+* Local Shared Objects::
+* Local Connections::
+
+
+File: gnash.info, Node: Local Shared Objects, Next: Local Connections, Up:
Security
+
+5.2.1 Local Shared Objects
+--------------------------
+
+SWF movies support a form of persistant storage called Local Shared
+Objects. These are stored in the subdirectories of one's
+_~/.macromedia_ configuration. These files are comonly called "Flash
+Cookies", as they don't get deleted when the SWF movie that created or
+writes data to them stops executing. These files often store things
+like game scores.
+
+ Till recently, what was contained in these files wasn't widely
+known. There are several LSO file utilities floating around on the Web.
+Gnash has it's own _soldumper_ program that lets one find and dump the
+contents of these files. As of yet, I haven't discovered any nasty
+privacy issues yet, but as Gnash's SharedObject support is new, I may
+have just been lucky.
+
+ An LSO file uses a _.sol_suffix, and is stored in binary, big endian
+format. While one can look at the data in any binary editor or hex
+dumper, it's easier to use soldumper, which knows how to decode all the
+objects. The data is stored in AMF format, a simple data interhange
+formats used in several other places in SWF.
+
+ The one security setting Gnash supports is the _SOLReadOnly_ setting
+for your $HOME/.gnashrc file. This makes Gnash never write to a .sol
+file, it only reads them. You can also set _SOLSafeDir_ to a safe
+subdirectory,or even remove it later, although most people willwant to
+set this path to the default one created bythe other SWF player.
+
+
+File: gnash.info, Node: Local Connections, Prev: Local Shared Objects, Up:
Security
+
+5.2.2 Local Connections
+-----------------------
+
+SWF movies support a form of data interchange between running SWF
+movies called LocalConnection. This uses a shared memory segment to
+exchange AMF objects. While the specification claim an application has
+to register as a Listener, it turns out in reality this isn't required.
+Even YouTube violates this requirement. While one would think that data
+written to this memory segment would go away when the SWF movies are
+done playing, but they are persistant, and on some systems, the data
+even survives a reboot. Thank you Solaris...
+
+ The Gnash utility _dumpshm_ can be used to do several things with
+these shared memory segments. This utility can find the shared memory
+segment left by using other SWF players to see what has been left. it
+can then dump the contents of the shared mempory segment either by
+decoding the AMF objects and printing the values, or by dumping the raw
+file to disk where you can analysze it with any other program you wish.
+If you run dumpshm repeatedly, you can even do a crude packet sniffing
+between two SWF movies playing.
+
+ The only current security related option for this is
+_LocalConnection_. This just disables all communication with other SWF
+movies. Work is in progress on adding a tracing ability to Gnash.
+
+
+File: gnash.info, Node: Glossary, Next: RTMP Protocol, Prev: Technical
Specifications, Up: Top
+
+6 Glossary
+**********
+
+
+
+A
+=
+
+ActionScript
+ _ActionScript_, or "AS", is the scripting language for _Flash_
+ applications. It is compiled to bytecode, which is a subset of the
+ _SWF_ format.
+
+AGG
+ AGG is the AntiGrain 2D graphics library, which can be used as a
+ renderer in Gnash. It is faster than OpenGL on systems without
+ hardware graphics acceleration. As of Gnash version 0.8.1 it is
+ the more feature complete renderer.
+
+AMF
+ _AMF_ is the object format used by _Flash_ for shared objects and
+ streaming video.
+
+as_environment
+ In Gnash terms, the as_environment, or ActionScript execution
+ environment, contains a stack of objects, characters and values
+ which are in the immediate environment of the current fn_call.
+ Please refer to the Gnash ActionScript manual for more information.
+
+
+C
+=
+
+Cairo
+ Cairo is a 2D graphics library with support for multiple output
+ devices. Can be used as a renderer in Gnash. A useful feature of
+ Cairo is that it will automatically use graphic card acceleration
+ when available. Cairo has an experimental OpenGL backend.
+
+
+D
+=
+
+DejaGNU
+ DejaGNU is a framework for testing software.
+
+DocBook
+ _DocBook_ is a markup language for presentation-neutral
+ documentation, such as manuals.
+
+Doxygen
+ _Doxygen_ is a documentation generator for for multiple languages
+ which uses comments in the source code to create stand-alone
+ documentation.
+
+Drupal
+ Drupal is a CMS/blog system used for the main Gnash website.
+
+
+E
+=
+
+extensions
+ A Gnash _extension_ is a plugin (not a browser plugin) which
+ implements additional functionality beyond what is covered by
+ _Flash_ specification. These are shared libraries which are
+ loaded at runtime.
+
+
+F
+=
+
+ffmpeg
+ ffmpeg is an audio and video decoding library which can be used by
+ Gnash to decode mp3, FLV and other media types.
+
+Flash
+ The term _Flash_ is used to describe both the Adobe IDE for
+ creating _SWF_ files, and the technology itself. Gnash
+ documentation uses the latter definition.
+
+FLV
+ FLV is a proprietary file format used to deliver Flash video. It
+ is used by YouTube, among others.
+
+FLTK
+ FLTK, or the 'Fast Light ToolKit', is a portable GUI library which
+ is intended to replace the SDL GUI. Currently in Gnash, FLTK may
+ be used with the Cairo and AGG renderers. FLTK has an experimental
+ Cairo backend.
+
+FrameBuffer
+ In Gnash, this is a GUI library that outputs directly to the Linux
+ Frame Buffer and so does not need a window system to run. This
+ makes it particularly suitable for use on small devices.
+
+
+G
+=
+
+Gnash
+ Gnash is the GNU Flash movie player.
+
+Gstreamer
+ Gstreamer is a multimedia framework which Gnash can use for
+ decoding audio and video. Gstreamer itself cannot decode anything,
+ so it needs some appropriate decoding-plugins to do the work for
+ it. Remember to install them if you use Gnash with Gstreamer
+ enabled. To get the best out of Gnashs gstreamer-parts, it is
+ recommended to install the gst-plugins-good, gst-plugins-good and
+ gst-ffmpeg plugins packages.
+
+GTK
+ GTK is the GIMP Toolkit GUI library. It is one of the GUI options
+ for Gnash. As of Gnash 0.7.2, this is the more performant and
+ feature-rich choice. GTK uses Cairo internally.
+
+GUI
+ A _GUI_ is a "graphical user interface". In Gnash, the GUI library
+ provides a wrapper for mouse and keyboard events, menus, windowing
+ (where available) and a drawing area. You must choose a GUI
+ library during the configuration (*note Pre-Compile
+ Configuration::) stage.
+
+
+K
+=
+
+Klash
+ _Klash_ was the name given to the stand-alone instance of Gnash
+ which used the KDE GUI. It has been replaced with an
+ implementation using Qt. Some documentation may incorrectly refer
+ to the Konqueror plugin as _Klash_. The plugin was renamed
+ _Kpart_.
+
+Kpart
+ _Kpart_ is a plugin for Konqueror which is enabled with the
+ configuration option (*note Features::) _-enable-klash_.
+
+
+L
+=
+
+libmad
+ libmad is a mp3-decoding library, which used to be an option for
+ Gnash handling of sound (dropped since 0.8.2).
+
+
+M
+=
+
+Mesa
+ _Mesa_ is the free software OpenGL implementation. Gnash
+ documentation will sometimes use the glossterms 'OpenGL' and
+ 'Mesa' interchangeably.
+
+Ming
+ Ming is a C library for generating SWF ("Flash") format movies,
+ plus a set of wrappers for using the library. It is used by the
+ Gnash project for generating testcases.
+
+
+N
+=
+
+Nellymoser
+ Nellymoser is a proprietary audio codec introduced in the Flash
+ Player in version 6. For more information, please see Wikipedia.
+
+
+O
+=
+
+OpenGL
+ OpenGL (Open Graphics Library) is a standard specification
+ defining a cross-language cross-platform API for writing
+ applications that produce 3D and 2D computer graphics. Accelerated
+ graphic cards usually provide OpenGL at the hardware level. Please
+ refer to Wikipedia for availability of free software OpenGL
+ hardware drivers. A free software implementation of the API is
+ available (Mesa). OpenGL can be used as a renderer in Gnash.
+
+ORM
+ ORM is a system for ensuring the rights of the creator over a
+ piece of digital content. It is more passive than DRM.
+
+
+P
+=
+
+plugin
+ The glossterm _plugin_ is used in Gnash to refer to both any Gnash
+ browser plugin, as well as the Firefox plugin specifically. The
+ Konqueror plugin is called _Kpart_. Sometimes, the term is used in
+ an even more generic sense to refer to _extensions_.
+
+
+Q
+=
+
+Qt
+ Qt is a GUI library which is used by KDE. The plugin version of
+ Gnash using this GUI library is Kpart. The standalone version is
+ enabled with -enable-gui=kde.
+
+
+R
+=
+
+renderer
+ The _renderer_ is the subsystem of Gnash which renders content.
+ Only one renderer may be used; it is chosen during configuration
+ (*note Pre-Compile Configuration::).
+
+ Available renderers are: AGG, OpenGL, and Cairo. In terms of
+ feature completeness, AGG comes first; followed by OpenGL and then
+ Cairo. In most cases, AGG is preferred for performance, except
+ cases where it is beneficial to have hardware accelerated
+ rendering (for example, when you have a very slow CPU but a very
+ fast graphics card). In this case OpenGL should be used.
+
+RTMP
+ RTMP is the Real Time Messaging Protocol primarily used with to
+ stream audio and video over the internet to the Flash Player
+ client.
+
+RTMPT
+ RTMPT is basically a HTTP wrapper around the RTMP protocol that is
+ sent using POST requests from the client to the server. Because of
+ the non-persistent nature of HTTP connections, RTMPT requires the
+ clients to poll for updates periodically in order to get notified
+ about events that are generated by the server or other clients.
+
+RTMPTS
+ RTMPTS is the same as RTMPT, but instead of being a HTTP wrapper,
+ it is a HTTP SSL wrapper (HTTP secure connection).
+
+
+S
+=
+
+SDL
+ Simple DirectMedia Layer is a cross-platform multimedia free
+ software library that creates an abstraction over various
+ platforms' graphics, sound, and input APIs. Gnash can use it as a
+ GUI and/or as a sound handler. Note that the two usages are
+ independent of each other: you can use it for a task and not for
+ the other if you wish. At time or writing (2007-01-11) the SDL GUI
+ lacks menus and a performant input event architecture; the SDL
+ sound handler is the most feature rich, supporting Video through
+ ffmpeg.
+
+sound handler
+ The _sound handler_ is the part of Gnash which handles both event
+ sounds and streaming sound. Audio from external sources are also
+ handled through the sound handler when SDL is used. The sound
+ handler must be selected during configuration (*note Pre-Compile
+ Configuration::).
+
+ There are currently two sound handlers available in Gnash: ffmpeg
+ and Gstreamer. The ffmpeg sound handler uses SDL for mixing. The
+ Gstreamer-sound handler uses the available plugins to decode the
+ audio, so it might not work if some important plugins are missing.
+ The GST sound handler is recommended (the default).
+
+sprite
+ A sprite is an element of an Flash Movie. It's basically a Movie
+ inside another, having its own timeline.
+
+Stage
+ The visible area of a Flash movie. The name derives from a theater
+ analogy. Graphical elements are referred to as characters.
+
+SWF
+ _SWF_ is the file format for _Flash_ movies.
+
+
+T
+=
+
+Tamarin
+ The Tamarin project seeks to create an open source implementation
+ of the ECMAScript 4th edition language specification. The code is
+ used by Adobe as part of the ActionScript Virtual Machine within
+ the Adobe Flash Player. Gnash does not use Tamarin; it already has
+ a working virtual server and most ActionScript classes are
+ implemented.
+
+timeline
+ In Flash technology, a timeline is a sequence of "frames". A
+ single Flash movie can contain multiple timelines, each
+ independently controlled (STOP or PLAY). At regular intervals
+ (FPS) the player advances all timelines in PLAY mode to the next
+ frame, looping back when last frame is reached.
+
+
+X
+=
+
+X.org
+ X.org is the most commonly used X server; it was forked from
+ XFree86.
+
+
+File: gnash.info, Node: RTMP Protocol, Next: Authors, Prev: Glossary, Up:
Top
+
+7 RTMP Protocol
+***************
+
+This document is based mostly on my own reverse engineering of the RTMP
+protocol and AMF format. _tcpdump_ and _ethereal_ are your friend. Some
+additional info that got me started was from the Red5
+(http://www.osflash.org/red5) project. _Red5_ is the only other open
+source Flash server. So some details are still vague, but as the
+implementation appears to work, we'll figure out what they are later.
+
+ The Real Time Messaging Protocol was created by MacroMedia (now
+Adobe) for delivering Flash objects and video over a network
+connection. Currently the only servers which support this format are
+the MacroMedia Media sever, and the Open Source Red5 project.
+
+ This is a simple protocol, optimized for poor bandwidth connections.
+It can support up to 64 concurrent streams over the same network
+connection. Part of each AMF packet header contains the index number of
+the stream. A single RTMP message can contain multiple AMF packets.
+
+ An RTMP connection uses Tcp/ip port 1935. It is also possible to
+tunnel RTMP over an HTTP connection using port 80. Each AMF packet is
+128 bytes long except for streaming audio, which has 64 byte packets.
+
+ The basics of the RTMP protocol are as follows. All communications
+are initiated by the client.
+
+Image of the RTMP protocol.
+
+ The client starts the RTMP connection by sending a single byte with
+a value of 0x3. This byte is followed by a data block of 1536 bytes.
+The format if this data block is unknown, but it appears to not be
+actually used by the protocol except as a handshake.
+
+ The server receives this packet, stores the 1536 byte data block,
+and then send a single byte with the value of 0x3, followed by two 1536
+data blocks. The second data block is the full contents of the original
+data block as sent by the client.
+
+ The client receives the 1536 byte data block, and if they match, the
+connection is established. After the handshake process is done, there
+are three other messages that the client sends to the sever to start
+the data flowing.
+
+ The first AMF packet sent to the server contains the _connect_
+packet. This doesn't appear to do much but notify the server the client
+is happy with the handshake, and ready to start reading packets.
+
+ The second packet is the _NetConnection_ object from the client.
+This ActionScript class is used by the Flash movie to create the
+network connection to the server.
+
+ The third packet is the _NetStream_ object from the client. This is
+the ActionScript class used to specify the file to be streamed by the
+server.
+
+ The RTMP packet for our example looks like this:
+
+
+ 030000190000c91400000000020007connect00?f0000000000000030003app0200#
+ software/gnash/tests/1153948634.flv0008flashVer02000cLNX 6,0,82,0
0006
+ swfUrl02001dfile:///file|%2Ftmp%2Fout.swfc30005tcUrl\002\0004
+ rtmp://localhost/software/gnash/tests/1153948634.flv\000\000\t
+ \002\000\005userx
+
+We'll take this apart in a bit, but you can see how all three AMF
+packets are in the same message. The message is received in several 128
+byte blocks, with the last one being less than that. The total size of
+the RTMP message is in the header, so the reader can tell if the entire
+message was read or not.
+ The RTMP header is first, followed by the connect message as an
+ASCII string as the message body. The following AMF packet is the
+_NetConnection_ one, which specifies that this is coming from a Flash
+application. This also contains the file path the server can use to
+find the file to stream. This is then followed by the version number,
+which I assume is the version of the Flash player, so the server knows
+what it is talking to.
+
+ The third packet is the one from _NetStream_, which specifies the
+URL used for the movie, followed by the user name for a semblance of
+security.
+
+ For the next level of detail, we'll explain the format of AMF. AMF
+is used by the RTMP protocol to transfer data. Each Flash object is
+encapsulated in an AMF packet, including streaming audio or video.
+
+ The first byte of the RTMP header determines two things about the
+rest of the message. The first 2 bits of this byte signify the total
+size of the RTMP header. The RTMP header is of a variable size, so this
+is important.
+
+00
+ This specifies the header contains 12 bytes, including this one.
+
+01
+ This specifies the header contains 8 bytes, including this one.
+
+02
+ This specifies the header contains 4 bytes, including this one.
+
+03
+ This specifies the header contains 1 byte, so this is the complete
+ header.
+
+ The other 6 bits in this byte represent the AMF index. As a single
+RTMP connection can support multiple data streams, this signifies which
+stream this packet is for. Once an AMF object is fully received by the
+client, the AMF index may be reused.
+
+ For messages with headers of at least 4 bytes, the next 3 bytes are
+used by audio and video data packets, but at this time the meaning of
+this field is unknown.
+
+ For messages with a 8 byte or larger header, the next 3 bytes
+determine the size of the RTMP message being transmitted. Messages with
+a 1 byte or 4 byte header use a standard size, 128 bytes for video, and
+64 bytes for audio.
+
+ For messages with an 8 byte or larger header, the next byte is the
+type of the AMF object.
+
+0x3
+ This specifies the content type of the RTMP packet is the number
+ of bytes read. This is used to start the RTMP connection.
+
+0x4
+ This specifies the content type of the RTMP message is a _ping_
+ packet.
+
+0x5
+ This specifies the content type of the RTMP message is server
+ response of some type.
+
+0x6
+ This specifies the content type of the RTMP packet is client
+ request of some type.
+
+0x8
+ This specifies the content type of the RTMP packet is an audio
+ message.
+
+0x9
+ This specifies the content type of the RTMP message is a video
+ packet.
+
+0x12
+ This specifies the content type of the RTMP message is notify.
+
+0x13
+ This specifies the content type of the RTMP message is shared
+ object.
+
+0x14
+ This specifies the content type of the RTMP message is remote
+ procedure call. This invokes the method of a Flash class remotely.
+
+ There are two sets of data types to consider. One set is used by the
+to specify the content type of the AMF object, the other is an
+ActionScript data type tag used to denote which type of object is being
+transferred.
+
+ The values of the initial type byte are:
+
+0x0
+ This specifies the data in the AMF packet is a numeric value. All
+ numeric values in Flash are 64 bit, _big-endian_.
+
+0x1
+ This specifies the data in the AMF packet is a boolean value.
+
+0x2
+ This specifies the data in the AMF packet is an _ASCII_ string.
+
+0x3
+ This specifies the data in the AMF packet is a Flash object. The
+ Flash object data type field further along in the message
+ specifies which type of ActionScript object it is.
+
+0x4
+ This specifies the data in the AMF packet is a Flash movie, ie.
+ another Flash movie.
+
+0x5
+ This specifies the data in the AMF packet is a NULL value. NULL is
+ often used as the return code from calling Flash functions.
+
+0x6
+ This specifies the data in the AMF packet is a undefined. This is
+ also used as the return code from calling Flash functions.
+
+0x7
+ This specifies the data in the AMF packet is a reference.
+
+0x8
+ This specifies the data in the AMF packet is a ECMA array.
+
+0x9
+ This specifies the data in the AMF packet is the end of an object
+ definition. As an object is transmitted with multiple AMF packets,
+ this lets the server know when the end of the object is reached.
+
+0xa
+ This specifies the data in the AMF packet is a Strict array.
+
+0xb
+ This specifies the data in the AMF packet is a date.
+
+0xc
+ This specifies the data in the AMF packet is a multi-byte string.
+ Multi-byte strings are used for international language support to
+ represent non _ASCII_ fonts.
+
+0xd
+ This specifies the data in the AMF packet is a an unsupported
+ feature.
+
+0xe
+ This specifies the data in the AMF packet is a record set.
+
+0xf
+ This specifies the data in the AMF packet is a AML object. XML
+ objects are then parsed by the _XML_ ActionScript class.
+
+0x10
+ This specifies the data in the AMF packet is a typed object.
+
+ For messages with a 12 byte header, the last 4 bytes are the routing
+of the message. If the destination is the server, this value is the
+NetStream object source. If the destination is the client, this is the
+NetStream object for this RTMP message. A value of 0x00000000 appears
+to be reserved for the NetConnection object.
+
+ Multiple AMF streams can be contained in a single RTMP messages, so
+it's important to check the index of each AMF packet.
+
+ An example RTMP header might look like this. (spaces added between
+fields for clarity) All the numbers are in hex.
+
+
+ 03 000019 0000c9 14 000000000
+
+03
+ The first two bits of this byte are the size of the header, which
+ in this example is 00, for a 12 byte header. The next 6 bits is
+ the AMF stream index number, which in this example is 0x3.
+
+000019
+ These 3 bytes currently have an unknown purpose.
+
+000c9
+ Since this example has a 12 byte header, this is the size of the
+ RTMP message, in this case 201 bytes.
+
+14
+ This is the content type of the RTMP message, which in this case
+ is to invoke a remote function call. (which we later see is the
+ connect function).
+
+00000000
+ The source is the NetConnection object used to start this
+ connection.
+
+* Menu:
+
+* AMF Format::
+
+
+File: gnash.info, Node: AMF Format, Up: RTMP Protocol
+
+7.1 AMF Format
+==============
+
+The AMF format is used in the LocalConnection, SharedObject,
+NetConnection, and NetStream ActionScript classes. This is a means of
+binary data interchange between Flash movies, or between a Flash player
+and a Flash server.
+
+ Like the RTMP messages, an AMF packet header can be of a variable
+size. The size is either the same as the initial header of the RTMP
+message, or a 1 byte header, which is commonly used for streaming audio
+or video data.
+
+ The body of an AMF packet may look something like this example. The
+spaces have been added for clarity.
+
+
+ 02 0007 636f6e6e656374
+
+02
+ This is a single byte header. The value of the first 2 bits is
+ 0x3, and the AMF index is also 0x3.
+
+0007
+ This is the length in bytes of the string.
+
+63 6f 6e 6e 65 63 74
+ This is the string. Note that there is no null terminator since
+ the length is specified.
+
+
+File: gnash.info, Node: Authors, Next: GNU Free Documentation License,
Prev: RTMP Protocol, Up: Top
+
+8 Authors
+*********
+
+Gnash is maintained by Rob Savoye. Other active developers are: Sandro
+Santilli, Bastiaan Jacques, Udo Giacomozzi, Chad Musick, Benjamin
+Wolsey, and Zou Lunkai. Please send all comments and suggestions to
+<address@hidden>. Past and sometimes current developers are Tomas
+Groth and Markus Gothe.
+
+ Gnash was initially derived from GameSWF. GameSWF is maintained by
+Thatcher Ulrich <address@hidden>. The following people contributed to
+GameSWF: Mike Shaver, Thierry Berger-Perrin, Ignacio Castan~o, Willem
+Kokke, Vitaly Alexeev, Alexander Streit, and Rob Savoye.
+
+
+File: gnash.info, Node: GNU Free Documentation License, Prev: Authors, Up:
Top
+
+Appendix A GNU Free Documentation License
+*****************************************
+
+* Menu:
+
+* 0. PREAMBLE: 0_ PREAMBLE.
+* 1. APPLICABILITY AND DEFINITIONS: 1_ APPLICABILITY AND DEFINITIONS.
+* 2. VERBATIM COPYING: 2_ VERBATIM COPYING.
+* 3. COPYING IN QUANTITY: 3_ COPYING IN QUANTITY.
+* 4. MODIFICATIONS: 4_ MODIFICATIONS.
+* 5. COMBINING DOCUMENTS: 5_ COMBINING DOCUMENTS.
+* 6. COLLECTIONS OF DOCUMENTS: 6_ COLLECTIONS OF DOCUMENTS.
+* 7. AGGREGATION WITH INDEPENDENT WORKS: 7_ AGGREGATION WITH INDEPENDENT WORKS.
+* 8. TRANSLATION: 8_ TRANSLATION.
+* 9. TERMINATION: 9_ TERMINATION.
+* 10. FUTURE REVISIONS OF THIS LICENSE: 10_ FUTURE REVISIONS OF THIS LICENSE.
+* Addendum::
+
+
+File: gnash.info, Node: 0_ PREAMBLE, Next: 1_ APPLICABILITY AND DEFINITIONS,
Up: GNU Free Documentation License
+
+A.1 0. PREAMBLE
+===============
+
+The purpose of this License is to make a manual, textbook, or other
+written document "free" in the sense of freedom: to assure everyone the
+effective freedom to copy and redistribute it, with or without
+modifying it, either commercially or non-commercially. Secondarily,
+this License preserves for the author and publisher a way to get credit
+for their work, while not being considered responsible for
+modifications made by others.
+
+ This License is a kind of "copyleft", which means that derivative
+works of the document must themselves be free in the same sense. It
+complements the GNU General Public License, which is a copyleft license
+designed for free software.
+
+ We have designed this License in order to use it for manuals for
+free software, because free software needs free documentation: a free
+program should come with manuals providing the same freedoms that the
+software does. But this License is not limited to software manuals; it
+can be used for any textual work, regardless of subject matter or
+whether it is published as a printed book. We recommend this License
+principally for works whose purpose is instruction or reference.
+
+
+File: gnash.info, Node: 1_ APPLICABILITY AND DEFINITIONS, Next: 2_ VERBATIM
COPYING, Prev: 0_ PREAMBLE, Up: GNU Free Documentation License
+
+A.2 1. APPLICABILITY AND DEFINITIONS
+====================================
+
+This License applies to any manual or other work that contains a notice
+placed by the copyright holder saying it can be distributed under the
+terms of this License. The "Document", below, refers to any such manual
+or work. Any member of the public is a licensee, and is addressed as
+"you".
+
+ A "Modified Version" of the Document means any work containing the
+Document or a portion of it, either copied verbatim, or with
+modifications and/or translated into another language.
+
+ A "Secondary Section" is a named appendix or a front-matter section
+of the Document (*note fdl-document::) that deals exclusively with the
+relationship of the publishers or authors of the Document to the
+Document's overall subject (or to related matters) and contains nothing
+that could fall directly within that overall subject. (For example, if
+the Document is in part a textbook of mathematics, a Secondary Section
+may not explain any mathematics.) The relationship could be a matter
+of historical connection with the subject or with related matters, or of
+legal, commercial, philosophical, ethical or political position
+regarding them.
+
+ The "Invariant Sections" are certain Secondary Sections (*note
+fdl-secondary::) whose titles are designated, as being those of
+Invariant Sections, in the notice that says that the Document (*note
+fdl-document::) is released under this License.
+
+ The "Cover Texts" are certain short passages of text that are
+listed, as Front-Cover Texts or Back-Cover Texts, in the notice that
+says that the Document (*note fdl-document::) is released under this
+License.
+
+ A "Transparent" copy of the Document (*note fdl-document::) means a
+machine-readable copy, represented in a format whose specification is
+available to the general public, whose contents can be viewed and edited
+directly and straightforwardly with generic text editors or (for images
+composed of pixels) generic paint programs or (for drawings) some
+widely available drawing editor, and that is suitable for input to text
+formatters or for automatic translation to a variety of formats
+suitable for input to text formatters. A copy made in an otherwise
+Transparent file format whose markup has been designed to thwart or
+discourage subsequent modification by readers is not Transparent. A
+copy that is not "Transparent" is called "Opaque".
+
+ Examples of suitable formats for Transparent copies include plain
+ASCII without markup, Texinfo input format, LaTeX input format, SGML or
+XML using a publicly available DTD, and standard-conforming simple HTML
+designed for human modification. Opaque formats include PostScript, PDF,
+proprietary formats that can be read and edited only by proprietary
+word processors, SGML or XML for which the DTD and/or processing tools
+are not generally available, and the machine-generated HTML produced by
+some word processors for output purposes only.
+
+ The "Title Page" means, for a printed book, the title page itself,
+plus such following pages as are needed to hold, legibly, the material
+this License requires to appear in the title page. For works in formats
+which do not have any title page as such, "Title Page" means the text
+near the most prominent appearance of the work's title, preceding the
+beginning of the body of the text.
+
+
+File: gnash.info, Node: 2_ VERBATIM COPYING, Next: 3_ COPYING IN QUANTITY,
Prev: 1_ APPLICABILITY AND DEFINITIONS, Up: GNU Free Documentation License
+
+A.3 2. VERBATIM COPYING
+=======================
+
+You may copy and distribute the Document (*note fdl-document::) in any
+medium, either commercially or noncommercially, provided that this
+License, the copyright notices, and the license notice saying this
+License applies to the Document are reproduced in all copies, and that
+you add no other conditions whatsoever to those of this License. You
+may not use technical measures to obstruct or control the reading or
+further copying of the copies you make or distribute. However, you may
+accept compensation in exchange for copies. If you distribute a large
+enough number of copies you must also follow the conditions in section
+3 (*note 3_ COPYING IN QUANTITY::).
+
+ You may also lend copies, under the same conditions stated above,
+and you may publicly display copies.
+
+
+File: gnash.info, Node: 3_ COPYING IN QUANTITY, Next: 4_ MODIFICATIONS,
Prev: 2_ VERBATIM COPYING, Up: GNU Free Documentation License
+
+A.4 3. COPYING IN QUANTITY
+==========================
+
+If you publish printed copies of the Document (*note fdl-document::)
+numbering more than 100, and the Document's license notice requires
+Cover Texts (*note fdl-cover-texts::), you must enclose the copies in
+covers that carry, clearly and legibly, all these Cover Texts:
+Front-Cover Texts on the front cover, and Back-Cover Texts on the back
+cover. Both covers must also clearly and legibly identify you as the
+publisher of these copies. The front cover must present the full title
+with all words of the title equally prominent and visible. You may add
+other material on the covers in addition. Copying with changes limited
+to the covers, as long as they preserve the title of the Document
+(*note fdl-document::) and satisfy these conditions, can be treated as
+verbatim copying in other respects.
+
+ If the required texts for either cover are too voluminous to fit
+legibly, you should put the first ones listed (as many as fit
+reasonably) on the actual cover, and continue the rest onto adjacent
+pages.
+
+ If you publish or distribute Opaque (*note fdl-transparent::) copies
+of the Document (*note fdl-document::) numbering more than 100, you
+must either include a machine-readable Transparent (*note
+fdl-transparent::) copy along with each Opaque copy, or state in or
+with each Opaque copy a publicly-accessible computer-network location
+containing a complete Transparent copy of the Document, free of added
+material, which the general network-using public has access to download
+anonymously at no charge using public-standard network protocols. If
+you use the latter option, you must take reasonably prudent steps, when
+you begin distribution of Opaque copies in quantity, to ensure that
+this Transparent copy will remain thus accessible at the stated
+location until at least one year after the last time you distribute an
+Opaque copy (directly or through your agents or retailers) of that
+edition to the public.
+
+ It is requested, but not required, that you contact the authors of
+the Document (*note fdl-document::) well before redistributing any
+large number of copies, to give them a chance to provide you with an
+updated version of the Document.
+
+
+File: gnash.info, Node: 4_ MODIFICATIONS, Next: 5_ COMBINING DOCUMENTS,
Prev: 3_ COPYING IN QUANTITY, Up: GNU Free Documentation License
+
+A.5 4. MODIFICATIONS
+====================
+
+You may copy and distribute a Modified Version (*note fdl-modified::)
+of the Document (*note fdl-document::) under the conditions of sections
+2 (*note 2_ VERBATIM COPYING::) and 3 (*note 3_ COPYING IN QUANTITY::)
+above, provided that you release the Modified Version under precisely
+this License, with the Modified Version filling the role of the
+Document, thus licensing distribution and modification of the Modified
+Version to whoever possesses a copy of it. In addition, you must do
+these things in the Modified Version:
+
+ * *A. * Use in the Title Page (*note fdl-title-page::) (and on the
+ covers, if any) a title distinct from that of the Document (*note
+ fdl-document::), and from those of previous versions (which
+ should, if there were any, be listed in the History section of the
+ Document). You may use the same title as a previous version if the
+ original publisher of that version gives permission.
+
+ * *B. * List on the Title Page (*note fdl-title-page::), as authors,
+ one or more persons or entities responsible for authorship of the
+ modifications in the Modified Version (*note fdl-modified::),
+ together with at least five of the principal authors of the
+ Document (*note fdl-document::) (all of its principal authors, if
+ it has less than five).
+
+ * *C. * State on the Title Page (*note fdl-title-page::) the name of
+ the publisher of the Modified Version (*note fdl-modified::), as
+ the publisher.
+
+ * *D. * Preserve all the copyright notices of the Document (*note
+ fdl-document::).
+
+ * *E. * Add an appropriate copyright notice for your modifications
+ adjacent to the other copyright notices.
+
+ * *F. * Include, immediately after the copyright notices, a license
+ notice giving the public permission to use the Modified Version
+ (*note fdl-modified::) under the terms of this License, in the
+ form shown in the Addendum below.
+
+ * *G. * Preserve in that license notice the full lists of Invariant
+ Sections (*note fdl-invariant::) and required Cover Texts (*note
+ fdl-cover-texts::) given in the Document's (*note fdl-document::)
+ license notice.
+
+ * *H. * Include an unaltered copy of this License.
+
+ * *I. * Preserve the section entitled "History", and its title, and
+ add to it an item stating at least the title, year, new authors,
+ and publisher of the Modified Version (*note fdl-modified::)as
+ given on the Title Page (*note fdl-title-page::). If there is no
+ section entitled "History" in the Document (*note fdl-document::),
+ create one stating the title, year, authors, and publisher of the
+ Document as given on its Title Page, then add an item describing
+ the Modified Version as stated in the previous sentence.
+
+ * *J. * Preserve the network location, if any, given in the Document
+ (*note fdl-document::) for public access to a Transparent (*note
+ fdl-transparent::) copy of the Document, and likewise the network
+ locations given in the Document for previous versions it was based
+ on. These may be placed in the "History" section. You may omit a
+ network location for a work that was published at least four years
+ before the Document itself, or if the original publisher of the
+ version it refers to gives permission.
+
+ * *K. * In any section entitled "Acknowledgements" or "Dedications",
+ preserve the section's title, and preserve in the section all the
+ substance and tone of each of the contributor acknowledgements
+ and/or dedications given therein.
+
+ * *L. * Preserve all the Invariant Sections (*note fdl-invariant::)
+ of the Document (*note fdl-document::), unaltered in their text
+ and in their titles. Section numbers or the equivalent are not
+ considered part of the section titles.
+
+ * *M. * Delete any section entitled "Endorsements". Such a section
+ may not be included in the Modified Version (*note fdl-modified::).
+
+ * *N. * Do not retitle any existing section as "Endorsements" or to
+ conflict in title with any Invariant Section (*note
+ fdl-invariant::).
+
+ If the Modified Version (*note fdl-modified::) includes new
+front-matter sections or appendices that qualify as Secondary Sections
+(*note fdl-secondary::) and contain no material copied from the
+Document, you may at your option designate some or all of these
+sections as invariant. To do this, add their titles to the list of
+Invariant Sections (*note fdl-invariant::) in the Modified Version's
+license notice. These titles must be distinct from any other section
+titles.
+
+ You may add a section entitled "Endorsements", provided it contains
+nothing but endorsements of your Modified Version (*note
+fdl-modified::) by various parties-for example, statements of peer
+review or that the text has been approved by an organization as the
+authoritative definition of a standard.
+
+ You may add a passage of up to five words as a Front-Cover Text
+(*note fdl-cover-texts::), and a passage of up to 25 words as a
+Back-Cover Text (*note fdl-cover-texts::), to the end of the list of
+Cover Texts (*note fdl-cover-texts::) in the Modified Version (*note
+fdl-modified::). Only one passage of Front-Cover Text and one of
+Back-Cover Text may be added by (or through arrangements made by) any
+one entity. If the Document (*note fdl-document::) already includes a
+cover text for the same cover, previously added by you or by
+arrangement made by the same entity you are acting on behalf of, you
+may not add another; but you may replace the old one, on explicit
+permission from the previous publisher that added the old one.
+
+ The author(s) and publisher(s) of the Document (*note
+fdl-document::) do not by this License give permission to use their
+names for publicity for or to assert or imply endorsement of any
+Modified Version (*note fdl-modified::).
+
+
+File: gnash.info, Node: 5_ COMBINING DOCUMENTS, Next: 6_ COLLECTIONS OF
DOCUMENTS, Prev: 4_ MODIFICATIONS, Up: GNU Free Documentation License
+
+A.6 5. COMBINING DOCUMENTS
+==========================
+
+You may combine the Document (*note fdl-document::) with other
+documents released under this License, under the terms defined in
+section 4 (*note 4_ MODIFICATIONS::) above for modified versions,
+provided that you include in the combination all of the Invariant
+Sections (*note fdl-invariant::) of all of the original documents,
+unmodified, and list them all as Invariant Sections of your combined
+work in its license notice.
+
+ The combined work need only contain one copy of this License, and
+multiple identical Invariant Sections (*note fdl-invariant::) may be
+replaced with a single copy. If there are multiple Invariant Sections
+with the same name but different contents, make the title of each such
+section unique by adding at the end of it, in parentheses, the name of
+the original author or publisher of that section if known, or else a
+unique number. Make the same adjustment to the section titles in the
+list of Invariant Sections in the license notice of the combined work.
+
+ In the combination, you must combine any sections entitled "History"
+in the various original documents, forming one section entitled
+"History"; likewise combine any sections entitled "Acknowledgements",
+and any sections entitled "Dedications". You must delete all sections
+entitled "Endorsements."
+
+
+File: gnash.info, Node: 6_ COLLECTIONS OF DOCUMENTS, Next: 7_ AGGREGATION
WITH INDEPENDENT WORKS, Prev: 5_ COMBINING DOCUMENTS, Up: GNU Free
Documentation License
+
+A.7 6. COLLECTIONS OF DOCUMENTS
+===============================
+
+You may make a collection consisting of the Document (*note
+fdl-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.
+
+
+File: gnash.info, Node: 7_ AGGREGATION WITH INDEPENDENT WORKS, Next: 8_
TRANSLATION, Prev: 6_ COLLECTIONS OF DOCUMENTS, Up: GNU Free Documentation
License
+
+A.8 7. AGGREGATION WITH INDEPENDENT WORKS
+=========================================
+
+A compilation of the Document (*note fdl-document::) or its derivatives
+with other separate and independent documents or works, in or on a
+volume of a storage or distribution medium, does not as a whole count
+as a Modified Version (*note fdl-modified::) of the Document, provided
+no compilation copyright is claimed for the compilation. Such a
+compilation is called an "aggregate", and this License does not apply
+to the other self-contained works thus compiled with the Document , on
+account of their being thus compiled, if they are not themselves
+derivative works of the Document. If the Cover Text (*note
+fdl-cover-texts::) requirement of section 3 (*note 3_ COPYING IN
+QUANTITY::) is applicable to these copies of the Document, then if the
+Document is less than one quarter of the entire aggregate, the
+Document's Cover Texts may be placed on covers that surround only the
+Document within the aggregate. Otherwise they must appear on covers
+around the whole aggregate.
+
+
+File: gnash.info, Node: 8_ TRANSLATION, Next: 9_ TERMINATION, Prev: 7_
AGGREGATION WITH INDEPENDENT WORKS, Up: GNU Free Documentation License
+
+A.9 8. TRANSLATION
+==================
+
+Translation is considered a kind of modification, so you may distribute
+translations of the Document (*note fdl-document::) under the terms of
+section 4 (*note 4_ MODIFICATIONS::). Replacing Invariant Sections
+(*note fdl-invariant::) 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
+provided that you also include the original English version of this
+License. In case of a disagreement between the translation and the
+original English version of this License, the original English version
+will prevail.
+
+
+File: gnash.info, Node: 9_ TERMINATION, Next: 10_ FUTURE REVISIONS OF THIS
LICENSE, Prev: 8_ TRANSLATION, Up: GNU Free Documentation License
+
+A.10 9. TERMINATION
+===================
+
+You may not copy, modify, sublicense, or distribute the Document (*note
+fdl-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.
+
+
+File: gnash.info, Node: 10_ FUTURE REVISIONS OF THIS LICENSE, Next:
Addendum, Prev: 9_ TERMINATION, Up: GNU Free Documentation License
+
+A.11 10. FUTURE REVISIONS OF THIS LICENSE
+=========================================
+The Free Software Foundation (http://www.gnu.org/fsf/fsf.html) 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 http://www.gnu.org/copyleft/
+(http://www.gnu.org/copyleft).
+
+ Each version of the License is given a distinguishing version
+number. If the Document (*note fdl-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.
+
+
+File: gnash.info, Node: Addendum, Prev: 10_ FUTURE REVISIONS OF THIS
LICENSE, Up: GNU Free Documentation License
+
+A.12 Addendum
+=============
+
+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:
+
+ Copyright YEAR YOUR NAME.
+
+ Permission is granted to copy, distribute and/or modify this
+ document under the terms of the GNU Free Documentation License,
+ Version 1.1 or any later version published by the Free Software
+ Foundation; with the Invariant Sections (*note fdl-invariant::)
+ being LIST THEIR TITLES, with the Front-Cover Texts (*note
+ fdl-cover-texts::) being LIST, and with the Back-Cover Texts
+ (*note fdl-cover-texts::) being LIST. A copy of the license is
+ included in the section entitled "GNU Free Documentation License".
+
+ If you have no Invariant Sections (*note fdl-invariant::), write
+"with no Invariant Sections" instead of saying which ones are
+invariant. If you have no Front-Cover Texts (*note fdl-cover-texts::),
+write "no Front-Cover Texts" instead of "Front-Cover Texts being LIST";
+likewise for Back-Cover Texts (*note fdl-cover-texts::).
+
+ 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
+(http://www.gnu.org/copyleft/gpl.html), to permit their use in free
+software.
+
+
+
+Tag Table:
+Node: Top159
+Node: Introduction1666
+Node: What Is Supported ?2454
+Node: Audience4744
+Node: Using Gnash5196
+Node: Gnash Command Line Options51519
+Ref: Gnash Command Line Options <1>51861
+Node: Gnash Interactive Control Keys57711
+Ref: Gnash Interactive Control Keys <1>58073
+Node: User Configuration File59015
+Ref: User Configuration Variables59789
+Node: Installing and Configuring Gnash78651
+Node: Requirements79112
+Node: Hardware Requirements79428
+Ref: Build Matrix80212
+Node: Software Requirements81653
+Node: Code Dependencies82569
+Ref: Code Dependency Table83286
+Node: Testing Dependencies103970
+Ref: Testing Dependency Table104283
+Node: Documentation Dependencies106249
+Ref: Documentation Dependency Table106497
+Node: Downloading Gnash114284
+Node: Using a Package Manager114950
+Node: Getting the Source115579
+Node: Releases115936
+Node: Repository116491
+Node: Snapshot117324
+Node: Pre-Compile Configuration117773
+Node: Features119585
+Ref: Configuration Options - Features120192
+Node: Specifying Custom Paths127381
+Ref: Custom Path Options127879
+Node: Cross Compiling137423
+Node: Building from Source140153
+Node: Compiling the Code140569
+Node: Creating the Documentation141511
+Node: Running the Tests142859
+Node: Using DejaGnu143274
+Node: Increasing Verbosity143642
+Node: Running Some Tests144155
+Node: Running The Tests Manually144943
+Node: Movie tests145583
+Node: ActionScript Unit Tests145915
+Node: Installation146209
+Node: Libraries147456
+Node: Executables148328
+Node: Documentation149190
+Node: Reporting Bugs149937
+Node: Compile the latest Gnash build150999
+Node: Determine if the bug was previously reported152266
+Node: Review the bug writing guidelines153084
+Node: Filing a bug report154156
+Node: Technical Specifications154435
+Node: Memory Management154849
+Node: Security156539
+Node: Local Shared Objects157684
+Node: Local Connections159219
+Node: Glossary160609
+Ref: A160734
+Ref: C161558
+Ref: D161844
+Ref: E162256
+Ref: F162497
+Ref: G163385
+Ref: K164393
+Ref: L164819
+Ref: M164955
+Ref: N165314
+Ref: O165471
+Ref: P166086
+Ref: Q166373
+Ref: R166557
+Ref: S167807
+Ref: T169359
+Ref: X170067
+Node: RTMP Protocol170160
+Node: AMF Format179923
+Node: Authors180895
+Node: GNU Free Documentation License181592
+Node: 0_ PREAMBLE182351
+Node: 1_ APPLICABILITY AND DEFINITIONS183653
+Ref: fdl-document183874
+Ref: fdl-modified184165
+Ref: fdl-secondary184352
+Ref: fdl-invariant184997
+Ref: fdl-cover-texts185246
+Ref: fdl-transparent185459
+Ref: fdl-title-page186749
+Node: 2_ VERBATIM COPYING187138
+Node: 3_ COPYING IN QUANTITY188114
+Node: 4_ MODIFICATIONS190467
+Node: 5_ COMBINING DOCUMENTS196523
+Node: 6_ COLLECTIONS OF DOCUMENTS198016
+Node: 7_ AGGREGATION WITH INDEPENDENT WORKS198903
+Node: 8_ TRANSLATION200127
+Node: 9_ TERMINATION201026
+Node: 10_ FUTURE REVISIONS OF THIS LICENSE201677
+Node: Addendum202813
-Local Variables:
-coding: US-ASCII
-End:
+End Tag Table
Index: server/movie_root.cpp
===================================================================
RCS file: /sources/gnash/gnash/server/movie_root.cpp,v
retrieving revision 1.162
retrieving revision 1.162.2.1
diff -u -b -r1.162 -r1.162.2.1
--- server/movie_root.cpp 20 Feb 2008 14:46:27 -0000 1.162
+++ server/movie_root.cpp 3 Mar 2008 11:13:43 -0000 1.162.2.1
@@ -913,10 +913,12 @@
get_mouse_state(x, y, buttons);
point world_mouse(PIXELS_TO_TWIPS(x), PIXELS_TO_TWIPS(y));
- if ( m_drag_state.hasBounds() )
+
+ matrix parent_world_mat;
+ character* parent = dragChar->get_parent();
+ if (parent != NULL)
{
- // Clamp mouse coords within a defined rect.
- m_drag_state.getBounds().clamp(world_mouse);
+ parent_world_mat = parent->get_world_matrix();
}
if (! m_drag_state.isLockCentered())
@@ -925,13 +927,18 @@
world_mouse.y -= m_drag_state.yOffset();
}
- matrix parent_world_mat;
- character* parent = dragChar->get_parent();
- if (parent != NULL)
+ if ( m_drag_state.hasBounds() )
{
- parent_world_mat = parent->get_world_matrix();
+ rect bounds;
+
+ // bounds are in local coordinate space
+ bounds.enclose_transformed_rect(parent_world_mat,
m_drag_state.getBounds());
+
+ // Clamp mouse coords within a defined rect.
+ bounds.clamp(world_mouse);
}
+
point parent_mouse;
parent_world_mat.transform_by_inverse(&parent_mouse, world_mouse);
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