Adobe Macromedia Flash

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Adobe Flash (kurz Flash, ehemals Macromedia Flash) ist eineproroprietäre integrierte Entwicklungsumgebung zur Erstellung multimedialer Inhalte, der Flash-Filme. Die resultierenden Dateien liegen im SWF-Format vor, einem auf Vektorgrafiken (u.a.) basierenden Grafik- und Animationsformat. Das Kürzel SWF steht dabei für Shockwave Flash (nicht für „small web format“, wie mitunter fälschlich angenommen[1]). Die mit Adobe Flash erstellten Quelldateien (FLA-Dateien) werden zum Einsatz auf einem Webserver in SWF-Dateien kompiliert (übersetzt) und dabei auf Wunsch komprimiert. Die FLA-Dateien werden nur von den Autoren während der Entwicklung verwendet und sind veränderbar. Die kompilierten SWF-Dateien sind für die Anzeige im Webbrowser gedacht und können in dieser Form nicht mehr einfach verändert werden. Um Flash-Dateien betrachten zu können, ist das proprietäre Abspielprogramm Flash Player erforderlich, das als Webbrowserplugin eingebunden werden kann. Aufgrund seiner multimedialen Möglichkeiten werden in Flash häufig Video- oder Sounddateien eingesetzt. Da diese Formate meist größere Datenvolumen beanspruchen, kommen in Flash oft so genannte Preloader zum Einsatz, die einen Teil oder den ganzen Film zwischenspeichern. Da Flash ein streamendes Format ist, ist es jedoch möglich, Seiten zu bauen, die bei kleinen Bandbreiten ohne deutliche Wartezeiten sofort starten. Die Skriptsprache PHP enthält das Modul Ming zur Generierung von Flash-Dateien. Verschiedene Programme, wie die Präsentationsprogramme Impress des Office-Pakets OpenOffice.org oder Keynote

bieten die Möglichkeit, Dateien in das SWF-Format zu exportieren, damit sie in dieser Form leicht über das World Wide Web verfügbar gemacht werden können.

Adding and <EMBED> tags manually It's simple to create the tags required to display a Flash movie in a browser. To add OBJECT and EMBED tags manually: 1.Copy the HTML code below and paste it into your HTML. <EMBED href="/support/flash/ts/documents/myFlashMovie.s wf" quality=high bgcolor=#FFFFFF WIDTH="550" HEIGHT="400" NAME="myMovieName" ALIGN="" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/ge tflashplayer"> Edit the attributes of the tags for the movie. • Change the HEIGHT and WIDTH parameters to match

the height and width of the movie dimensions or use percentage values, if desired. • Change "moviename.swf" where it appears in the OBJECT and EMBED tags to the name of movie to be played. http://kb2.adobe.com/cps/415/tn_4150.html= Beschreibung Einsatz für IE oder FF

This document lists the required and optional attributes of the object and embed tags used to publish Adobe Flash movies. For specific usage information for these attributes, refer to sections of the Using Flash manual devoted to using object and embed tags (exact headings vary among Flash versions). Information is also available in "Adobe Flash OBJECT and EMBED tag syntax" (TechNote tn_4150). Required attributes The following attributes are required within the object and/or embed tags when adding a Flash movie to an HTML page: Both object and embed: • width - Specifies the width of the movie in either pixels or percentage of browser window. • height - Specifies the height of the movie in either

pixels or percentage of browser window. object tag only: • classid - Identifies the ActiveX control for the browser. (See example code in TechNote tn_4150 for the correct value.) • codebase - Identifies the location of the Flash Player ActiveX control so that the browser can automatically download it if it is not already installed. (See example code in TechNote tn_4150 for the correct value.) • movie (param) - Specifies the location (URL) of the movie to be loaded.

embed tag only: • src - Specifies the location (URL) of the movie to be loaded. • pluginspage - Identifies the location of the Flash Player plug-in so that the user can download it if it is not already installed. EMBED only. (See example code in TechNote tn_4150 for the correct value.)

Optional attributes and possible values: The following attributes are optional when defining the object and/or embed tags. For object , all attributes are defined in param tags unless otherwise specified: • id (attribute for object, object only) - Movie Identifier. Identifies the Flash movie to the host environment (a web browser, for example) so that it can be referenced using a scripting language.

• name (embed only) - Movie name. Identifies the Flash movie to the host environment (a web browser, typically) so that it can be referenced using a scripting language such as JavaScript or VBScript. • swliveconnect - Possible values: true, false. Specifies whether the browser should start Java when loading the Flash Player for the first time. The default value is false if this attribute is omitted. If you use JavaScript and Flash on the same page, Java must be running for the FSCommand to work. • play - Possible values: true, false. Specifies whether the movie begins playing immediately on loading in the browser. The default value is true if this attribute is omitted. • loop - Possible values: true, false. Specifies whether the movie repeats indefinitely or stops when it reaches the last frame. The default value is true if this attribute is omitted. • menu - Possible values: true, false. • true displays the full menu, allowing the user a variety of options to enhance or control playback. • false displays a menu that contains only the Settings option and the About Flash option. • quality - Possible values: low, high, autolow, autohigh, best. • low favors playback speed over appearance and never uses anti-aliasing. • autolow emphasizes speed at first but improves

appearance whenever possible. Playback begins with anti-aliasing turned off. If the Flash Player detects that the processor can handle it, antialiasing is turned on. • autohigh emphasizes playback speed and appearance equally at first but sacrifices appearance for playback speed if necessary. Playback begins with anti-aliasing turned on. If the actual frame rate drops below the specified frame rate, anti-aliasing is turned off to improve playback speed. Use this setting to emulate the View > Antialias setting in Flash. • medium applies some anti-aliasing and does not smooth bitmaps. It produces a better quality than the Low setting, but lower quality than the High setting. • high favors appearance over playback speed and always applies anti-aliasing. If the movie does not contain animation, bitmaps are smoothed; if the movie has animation, bitmaps are not smoothed. • best provides the best display quality and does not consider playback speed. All output is anti-aliased and all bitmaps are smoothed. • scale - Possible values: showall, noborder, exactfit. • default (Show all) makes the entire movie visible in the specified area without distortion, while maintaining the original aspect ratio of the movie. Borders may appear on two sides of the movie.

• noorder scales the movie to fill the specified area, without distortion but possibly with some cropping, while maintaining the original aspect ratio of the movie. • exactfit makes the entire movie visible in the specified area without trying to preserve the original aspect ratio. Distortion may occur. • align (attribute for Object) - Possible values: l, t, r, b. • Default centers the movie in the browser window and crops edges if the browser window is smaller than the movie. • l (left), r (right), t (top), and b (bottom) align the movie along the corresponding edge of the browser window and crop the remaining three sides as needed. • salign - Possible values: l, t, r, b, tl, tr, bl, br. • l, r, t, and b align the movie along the left, right, top or bottom edge, respectively, of the browser window and crop the remaining three sides as needed. • tl and tr align the movie to the top left and top right corner, respectively, of the browser window and crop the bottom and remaining right or left side as needed. • bl and br align the movie to the bottom left and bottom right corner, respectively, of the browser window and crop the top and remaining right or left side as needed.

• wmode - Possible values: window, opaque, transparent. Sets the Window Mode property of the Flash movie for transparency, layering, and positioning in the browser. • window - movie plays in its own rectangular window on a web page. • opaque - the movie hides everything on the page behind it. • transparent - the background of the HTML page shows through all transparent portions of the movie, this may slow animation performance. • bgcolor - [ hexadecimal RGB value] in the format #RRGGBB . Specifies the background color of the movie. Use this attribute to override the background color setting specified in the Flash file. This attribute does not affect the background color of the HTML page. • base - . or [base directory] or [URL]. Specifies the base directory or URL used to resolve all relative path statements in the Flash Player movie. This attribute is helpful when your Flash Player movies are kept in a different directory from your other files. • flashvars - Possible values: variable to pass to Flash Player. Requires Macromedia Flash Player 6 or later. • Used to send root level variables to the movie. The format of the string is a set of name=value combinations separated by '&'. • Browsers will support string sizes of up to 64KB (65535 bytes) in length. • For more information on FlashVars, please refer to "Using FlashVars to pass variables to a SWF"

(TechNote tn_16417). Note: Values in brackets and italics indicate that the developer chooses the value. Active Content JavaScript Note: As of April 2008, Microsoft has removed all Active Content requirements from Internet Explorer. The information in this technote is supplied for historical reference to the period from April 2006 to April 2008. For details on Microsoft's deprecation of Active Content, see MSDN. For details of Adobe's Active Content workarounds see the Adobe Active Content Developer Center. When you publish a Flash document with HTML using the "Flash Only" or "Flash HTTPS" HTML templates in Flash CS3 Professional, a JavaScript file linked to the HTML file, named AC_RunActiveContent.js will automatically be created. This file will need to remain with the HTML file for the JavaScriptbased active content embedding. For more information on active content, please visit the Active Content Developer Center. Note: For Flash 8, the inclusion of JavaScript-based active content embedding is possible through the Flash Active Content Update Extension. A JavaScript function called AC_FL_RunContent() is used to dynamically generate the necessary object and embed tags necessary for the browser to display your Flash movie. This function is defined within AC_RunActiveContent.js and called in the location of your HTML file where you wish your Flash movie to be displayed. Example:

<script > if (AC_FL_RunContent == 0) { alert("This page requires AC_RunActiveContent.js."); } else { AC_FL_RunContent( 'codebase', 'http://download.macromedia.com/pub/shockwave /cabs/flash/swflash.cab#version=9,0,0,0', 'width', '550', 'height', '400', 'src', 'myFlashMovie', 'quality', 'high', 'pluginspage',

'http://www.macromedia.com/go/getflashplayer', 'align', 'middle', 'play', 'true', 'loop', 'true', 'scale', 'showall', 'wmode', 'window', 'devicefont', 'false', 'id', 'ACTest', 'bgcolor', '#ffffff', 'name',

'myFlashMovie', 'menu', 'true', 'allowScriptAccess', 'sameDomain', 'movie', 'myFlashMovie', 'salign', '' ); //end AC code } The parameters of the AC_FL_RunContent function are name-value pairs that relate to the attributes or parameters defined within the object and embed tags. The AC_FL_RunContent function will automatically distinguish between recognized attributes that need to be placed in the object and embed tags and those needing to be in param tags. Any name-value arguments you add to the AC_FL_RunContent call, if not recognized, will default to param tags and embed attributes.

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