Veteran's Blog

<?php

 require( "flashwriter.php" ); // include flashwriter-functions v1.02

function WriteShortHeader($ iTagId, $ iLen) {
 return WriteWord(($ iTagId << 6) + $ iLen);
}

function WriteLongHeader($ iTagId, $ iLen){
 return WriteWord(($ iTagId << 6) + 0x3f) . WriteDWord($ iLen);
}

class DBL {
 var $ data;
 var $ datalen;
 var $ width;
 var $ height;
 var $ type;
 var $ filename;
 var $ filesize;
 
 function DBL($ filename){
  $ this->filename = $ filename;
  $ this->filesize = filesize($ filename);
  $ this->datalen = $ this->filesize - 8;
  $ filehandle = fopen($ filename, "r");
  $ skip = fread($ filehandle, 8); //check the format (next time :))
  $ this->data = fread($ filehandle, $ this->datalen);
  fclose($ filehandle);

  $ this->type = Ord($ this->data[0]);
  $ this->width = (Ord($ this->data[2]) << 8) + Ord($ this->data[1]);
  $ this->height = (Ord($ this->data[4]) << 8) + Ord($ this->data[3]);
 }
}

$ img = new DBL($ image . ".dbl");

$ width = $ img->width;
$ height = $ img->height;

initMinBits($ width, $ height);

// 2nd footer
$ footer2 = WriteWord( 0x02 );  //characterId
$ footer2 .= WriteRect( getMinBits() + 1, 0, $ width * SCoord1, 0, $ height * SCoord1 ); // rect

//ShapeWithStyle
$ footer2 .= WriteByte( 0x01 ); // FillStyleCount (1 style)
$ footer2 .= WriteByte( 0x41 ); // clipped bitmap fill
$ footer2 .= WriteWord( 1 );    // bitmap-id

$ footer2 .= WriteMatrix( true, 20*Fixed1, 20*Fixed1, false, 0, 0, 0, 0 );

$ footer2 .= WriteByte( 0x00 ); // LineStyleCount (no line)

$ footer2 .= WriteByte( 0x10 ); // number of fill/line index bits

$ footer2 .= WriteBits( 0, 1 ); // Non-edge record flag
$ footer2 .= WriteBits( 0, 1 ); // New styles flag
$ footer2 .= WriteBits( 0, 1 ); // Line style change flag
$ footer2 .= WriteBits( 1, 1 ); // Fill style 1 change flag
$ footer2 .= WriteBits( 0, 1 ); // Fill style 0 change flag
$ footer2 .= WriteBits( 1, 1 ); // Move to flag

$ footer2 .= WriteBits( getMinBits() + 1, 5 );
$ footer2 .= WriteBits( $ width * SCoord1, getMinBits() + 1 );
$ footer2 .= WriteBits( $ height * SCoord1, getMinBits() + 1 );

$ footer2 .= WriteBits( 1, 1 ); // Fill 1 Style = 1 (this is our bitmap-style)

$ footer2 .= WriteLine( 0, -$ width  * SCoord1 );
$ footer2 .= WriteLine( 1, -$ height * SCoord1 );
$ footer2 .= WriteLine( 0,  $ width  * SCoord1 );
$ footer2 .= WriteLine( 1,  $ height * SCoord1 );

$ footer2 .= WriteBits( 0, 1 ); // Non-edge record flag
$ footer2 .= WriteBits( 0, 5 ); // End of shape flag

$ footer2 .= FlushBits(); // flush bits to keep byte aligned

$ footer1 = WriteLongHeader(2, strlen( $ footer2 )); //DefineShape

// 3rd footer

$ footer3 = WriteShortHeader(26,6); //placeObject2

$ footer3 .= WriteBits(0, 2); //reserved bits
$ footer3 .= WriteBits(0, 1); //has name
$ footer3 .= WriteBits(0, 1); //has ratio
$ footer3 .= WriteBits(0, 1); //has color transform
$ footer3 .= WriteBits(1, 1); //has matrix
$ footer3 .= WriteBits(1, 1); //has character
$ footer3 .= WriteBits(0, 1); //move

$ footer3 .= WriteWord( 0x01 ); // depth = 1

$ footer3 .= WriteWord( 0x02 ); // character-id

$ footer3 .= WriteByte( 0x00 ); // transformation matrix

$ footer3 .= WriteWord( 0x40 ); // eof marker ?
$ footer3 .= WriteWord( 0x00 );

// calculate entire file-size
$ filesize  = 23
       + $ img->datalen + 2
    + strlen( $ footer1 )
    + strlen( $ footer2 )
    + strlen( $ footer3 )
    + strlen( WriteRect( getMinBits() + 1, 0, SCoord1*$ width, 0, SCoord1*$ height ));

/*****************************************************************************
 *
 *  Actual output
 *
 *****************************************************************************/

header( "Content-type: application/x-shockwave-flash" ); // here comes swf
//echo($ img->width . " : " . $ img->height . " : " . $ filesize);
//exit;

echo "FWS";                   // reversed SWF signature (little endian/big endian issue)
echo WriteByte( 3 );          // file version, flash 3 is all we need
echo WriteDWord( $ filesize ); // length of entire file in bytes

echo WriteRect( getMinBits() + 1,
                0, SCoord1*$ width,
                0, SCoord1*$ height ); // frame size in TWIPS
echo WriteByte( 0 );          // this one is ignored!
echo WriteByte( 12 );         // frame delay in 8.8 fixed number of frames per second
echo WriteWord( 1 );          // total number of frames in movie
echo WriteShortHeader( 9, 3 ); // setBackgroundColor
echo WriteByte( 0xff );       // red
echo WriteByte( 0xff );       // green
echo WriteByte( 0xff );       // blue

echo WriteLongHeader(36, $ img->datalen + 2); //DefineBitsLosless2
echo WriteWord( 1 );          // character-id

echo $ img->data;        // raw image data including bitmapFormat, width and heigth
         // as produced by png2dbl starting at byte 8
echo $ footer1;
echo $ footer2;
echo $ footer3;
?>