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.net (French) 1996 November
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.net Magazine (FR) - Issue 01 - Nov 1996.iso
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mac
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Butineur
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Netscape Plug-ins
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mBED
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1996-05-13
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* mBED Software
*
* mbedlet Multimedia Plug-in
*
* Version 1.0b2
* May 14, 1996
*
* Release Notes
Requirements
Windows:
At least 256 colors are required. Dithering is only done in the Windows 95
version, so images in Windows 3.1 may not look as good.
Macintosh:
To run reliably, Netscape 2.0 requires Open Transport 1.1 on newer Power Macintosh
computers. Please upgrade to System 7.5.3 if you experience problems.
We request an 8 MB partition for Netscape due to the size of some of the mbedlets
on our page. If you are running Atlas, then we recommend 10 MB because of the
increased memory demands of the Netscape browser itself. To run smaller mbedlets,
significantly less memory is required.
--------------------------------------------------------
Changes since 1.0b1:
Features & Functionality:
- Added notation to allow access to players in sublets and parent mbedlets
- Added tab (move to next field) support for editable text players
- Added FORWARD,BACK commands to sprite
- Added BROWSER SEND to send messages to other mbedlets
- Added NAME field to EMBED tag to identify mbedlets
- User defined handlers can now take a parameter ("PARAM")
- Added toggleon, toggleoff messages for radio buttons, check boxes
- Added external alpha channel support for bitmaps
- Added MOUSEOVER property for buttons
- Added TILED property for pictures
- Added Interlaced GIF support
- Better handling of low memory for bitmaps on Mac
Bugs:
- registration works correctly if set below rect/location/size in properties
- registration point works correctly if path has no startpoint
- fixed potential crashes in image streaming code
- visible property now recognizes "on", allowing buttons to show/hide players
- Fixed anti-aliased text in higher bitmaps
- Fixed crashes when mbedlet has syntax error after starting streams
- Fixed bug where unchanged form would not post
- Fixed bug with relative URL off of file system
- Fixed bug with GOTO command when controlling another frame
- Fixed score crash when a wait command was given for a nonexistent player
- Implemented playforever for sounds
- Sublets can now have editable text and can post as part of parent's post
--------------------------------------------------------
Changes since 0.9a5:
Features & Functionality:
- .mbd files have a version in the MBEDLET tag. Current version is 1.0. In the
future, players/plugins older than the version specified will prompt the user to get
the newer plug-in.
- mbedlet now handles relative pathnames differently:
with "/", means relative to top level of server
without "/", means relative to .mbd file
- mbedlet player must use file:/// URLs for local files, all relative URLs are relative
to .mbd file
- preload implemented; preload streams load before any others
- implemented GET forms, fixed POST on Windows (Netscape doesn't POST yet on Mac)
- allowed targets in GET and POST, as in _self, _top, etc
- replaced spaces with "+" in posted text
- greatly sped up entry of single-line, left-justified anti-aliased text
- added REGPOINT property to all visible objects, indicates how moves, resizes are
interpreted; REGPOINT is no longer supported in path
- added UPDATE message to control, causes control to update player with current value
- added 2D control type, 2 degrees of freedom
- added SIZE, WIDTH, HEIGHT properties of visible objects
- path starts flipping at current bitmap; correctly flips in PLAYFOREVER case
Bugs:
- sound now has correct duration
- mac: objects would stop playing after 45 minutes
- fixed redraw problem where sprite/picture's rect was specified and was smaller than
default icon
- better handling of parsing errors
- found and fixed several memory leaks
- fixed path registration point (then moved it to sprite)
- posting radio buttons did not send the right value
- fixed crash with sprite or picture prototype of prototype on mbedlet shutdown
- insured redraw when players reordered
- removed some lingering case sensitivity
--------------------------------------------------------
Changes since 0.9a4:
- fixed many Win 3.1 crashes.
- fixed color odditites in 64K (high color mode) on Win 3.1
- fixed memory leaks when flipping between html pages before mbedlet
is completely downloaded
- fixed a crash when completing a visual effect
--------------------------------------------------------
Changes since 0.9a3:
- .mbd files are completely case insensitive
- removed limit on number of slots
- removed limit on bitmaps per sprite
- fixed bugs in sublets and sublet prototypes
--------------------------------------------------------
Writing .mbd files:
If in doubt, please examine the .mbd files on our site to see how things work.
We try to keep the documentation up to date, but there may be some features
used in the mbedlets on our site that have not yet made it in to the file format
or players specs.
--------------------------------------------------------
Known Bugs:
On Windows 3.1, enterable anti-aliased text sometimes misses characters
during very fast typing.
BROWSER POST is not available on Mac because it is not implemented in the
Navigator.
On Macintosh, anti-aliased text should be aligned along even pixel boundaries.
--------------------------------------------------------
Feedback
Any suggestions, bugs, or questions you have for us can be sent to
listening@mbed.com. We look forward to hearing from you.