I had experimented with creating a (C++) SWF file reader in the past but at that point SWF was still a closed format and so any information had been reverse engineered by other coders. Since then Adobe has opened the SWF file format and now provide a full detailed specification on their developer site (link at the end of this post), buy Alprazolam no prescription. Online buy Alprazolam without a prescription, So with spec in hand and a weekend to spare I wrote as3swf.
SWF files are made up primarily of chunks of data called tags, Alprazolam 2mg Pills. Every tag has a code that represents what type of tag it is and a length property that tells the reader how many following bytes of data belong to the tag, Alprazolam in japan. Free Alprazolam samples, This structure makes it easy for a reader to jump over tags it doesn't understand or care about.
To replicate this structure in AS3 I created a base Tag class that reads the tag code, buy generic Alprazolam, Where can i buy cheapest Alprazolam online, length and data from a ByteArray. Adding support for specific tags is simply a case of subclassing Tag and overriding the _parseBytes method to process the tag specific data, Alprazolam craiglist.
Once a SWF has been parsed, Alprazolam tablets, Order Alprazolam no prescription, its tags can be retrieved by index or alternatively all tags of a certain code can retrieved. This makes it easy to for example access all bitmaps in a SWF, purchase Alprazolam online. Saturday delivery Alprazolam, Included with as3swf is an example Air app that will display the structure and contents of any SWF file dragged into it.
The following is an example of using as3swf to trace out the contents of a SWF file, buy Alprazolam without a prescription. Order Alprazolam from mexican pharmacy, The SWF file could be loaded using a URLLoader object with its dataFormat property set to URLLoaderDataFormat.BINARY, or in Air using a FileSystem object, where can i find Alprazolam online. Alprazolam medication,
import com.kode80.swf.SWF;
import com.kode80.swf.tags.Tag;function traceSWF( bytes:ByteArray):void
{
var swf:SWF = new SWF();
swf.readFrom( bytes);trace( "Header:");
trace( "is compressed: " + swf.isCompressed);
trace( "version: " + swf.version);
trace( "uncompressed size: " + swf.uncompressedFileSize);
trace( "frame rectangle: " + swf.frameRectangle); // SWF stage dimensions
trace( "frame rate: " + swf.frameRate);
trace( "number of frames: " + swf.numberOfFrames);var tag:Tag;
trace( "Tags:");
for ( var i:uint = 0; i < swf.numberOfTags; i++)
{
tag = swf.getTagAt(i);trace( "Tag #" + i);
trace( "Tag: " + TagCodes.tagCodeToString( tag.tagCode));
trace( "as3swf supported: " + swf.isSupportedTag( tag.tagCode)); // supported tags will be a subclass of Tag
trace( "info: " + tag.toString()); // tag classes provide textual info through toString()
}
}
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