public function parse($swfdata)
{
$reader = new Media_SWF_Parser();
$reader->input($swfdata);
/* SWF Header */
$this->_headers = $reader->getSWFHeader();
/* SWF Tags */
while (true) {
$tag = $reader->getTag();
$this->_tags[] = $tag;
if ($tag['Code'] == 0) {
// END Tag
break;
}
}
return true;
}
public function convertImageData()
{
$format = (int) $this->getField('BitmapFormat');
$width = (int) $this->getField('BitmapWidth');
$height = (int) $this->getField('BitmapHeight');
$bitmapdata = gzuncompress($this->getField('ZlibBitmapData'));
$bitmapReader = new Media_SWF_Parser();
$bitmapReader->input($bitmapdata);
$im = imagecreatetruecolor($width, $height);
if ($im === false) {
throw new Exception('Cannot Initialize new GD image stream.');
}
$color_palette = array();
if ($format == 3) {
// color palette
$palette_size = (int) $this->getField('BitmapColorTableSize');
if ($this->code == 20) {
for ($i = 0; $i <= $palette_size; $i++) {
$r = $bitmapReader->getUI8();
$g = $bitmapReader->getUI8();
$b = $bitmapReader->getUI8();
$color_palette[$i] = imagecolorallocate($im, $r, $g, $b);
}
} else {
// alpha
imagealphablending($im, false);
imagesavealpha($im, true);
for ($i = 0; $i <= $palette_size; $i++) {
$r = $bitmapReader->getUI8();
$g = $bitmapReader->getUI8();
$b = $bitmapReader->getUI8();
$a = $bitmapReader->getUI8();
$a = (1 - $a / 255) * 127;
$color_palette[$i] = imagecolorallocatealpha($im, $r, $g, $b, $a);
}
}
// widthの読み出しbyte数を32bitで丸める(must be rounded up to the next 32-bit word boundary)
$padding = ($width + 3 & -4) - $width;
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
$bi = $bitmapReader->getUI8();
imagesetpixel($im, $x, $y, $color_palette[$bi]);
}
$bi = $bitmapReader->incrementOffset($padding, 0);
// skip
}
} else {
// non parette
if ($format == 4) {
// PIX15
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
$a = $bitmapReader->getUIBit();
// Pix15Reserved always 0
$r = $bitmapReader->getUIBits(5);
$g = $bitmapReader->getUIBits(5);
$b = $bitmapReader->getUIBits(5);
$c = imagecolorallocate($im, $r, $g, $b);
imagesetpixel($im, $x, $y, $c);
}
}
} elseif ($this->code == 20) {
// PIX24
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
$a = $bitmapReader->getUI8();
// 0 // Pix24Reserved always0
$r = $bitmapReader->getUI8();
$g = $bitmapReader->getUI8();
$b = $bitmapReader->getUI8();
$c = imagecolorallocate($im, $r, $g, $b);
imagesetpixel($im, $x, $y, $c);
}
}
} else {
// alpha
imagealphablending($im, false);
imagesavealpha($im, true);
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
$a = $bitmapReader->getUI8();
$a = (1 - $a / 255) * 127;
$r = $bitmapReader->getUI8();
$g = $bitmapReader->getUI8();
$b = $bitmapReader->getUI8();
$c = imagecolorallocatealpha($im, $r, $g, $b, $a);
imagesetpixel($im, $x, $y, $c);
}
}
}
}
ob_start();
imagepng($im);
$image_data = ob_get_contents();
ob_end_clean();
imagedestroy($im);
return $image_data;
}
public function getActionQueue()
{
$actions = new _ActionQueue();
$point_offset = 0;
foreach ($this->_actions as $act) {
$r = null;
// offsetの更新
++$point_offset;
if ($act['ActionCode'] & 0x80) {
$point_offset += 2;
$point_offset += $act['Length'];
}
switch ($act['ActionCode']) {
case self::PUSH:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$type = $r->getUI8();
switch ($type) {
case 0:
$data = $this->root->convertEncoding($r->getString());
break;
case 1:
$data = $r->getFLOAT();
break;
case 4:
case 5:
case 8:
$data = $r->getUI8();
break;
case 6:
$data = $r->getDOUBLE();
break;
case 7:
$data = $r->getUI32LE();
break;
case 9:
$data = $r->getUI16LE();
break;
default:
$data = null;
}
if ($type === 0 && !(strlen($data) > 1 && substr($data, 0, 1) == 0) && is_numeric($data)) {
$data = intval($data);
}
$actions->add($act['ActionCode'], array($data), $point_offset);
break;
case self::_IF:
case self::JUMP:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$offset = $r->getSI16();
$actions->add($act['ActionCode'], array($point_offset + $offset), $point_offset);
break;
case self::GET_URL2:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$m = $r->getUIBits(2);
$r->getUIBits(4);
$lt_flag = $r->getUIBit();
$vr_flag = $r->getUIBit();
$method = $m == 1 ? 'GET' : ($m == 2 ? 'POST' : 'NONE');
$actions->add($act['ActionCode'], array($method, $lt_flag, $vr_flag), $point_offset);
break;
case self::GOTO_FRAME2:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$r->getUIBits(6);
$sceneBiasFlag = (bool) $r->getUIBit();
$playFlag = (int) $r->getUIBit();
if ($sceneBiasFlag) {
$sceneBias = $r->getUI16LE();
}
$actions->add($act['ActionCode'], array($playFlag), $point_offset);
break;
case self::GOTO_FRAME:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$frame = $r->getUI16LE();
$actions->add($act['ActionCode'], array($frame, 0), $point_offset);
break;
case self::GOTO_LABEL:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$frame = $r->getString();
$actions->add($act['ActionCode'], array($frame, 0), $point_offset);
break;
case self::SET_TARGET:
$r = new Media_SWF_Parser();
$r->input($act['Content']);
$target = $r->getString();
$actions->add($act['ActionCode'], array($target), $point_offset);
break;
default:
$actions->add($act['ActionCode'], array(), $point_offset);
break;
}
}
return $actions;
}
public function parseContent($content)
{
$reader = new Media_SWF_Parser();
$reader->input($content);
$this->parse($reader);
}
public function loadFromString($swfdata)
{
$reader = new Media_SWF_Parser();
$reader->input($swfdata);
$this->parse($reader);
}