<?php

if ($argc != 3) {
    fprintf(STDERR, "Usage: swfgetjpegalphadata <swf_file> <image_id>\n");
    exit(1);
}
$swf_filename = $argv[1];
$image_id = $argv[2];
$swfdata = file_get_contents($swf_filename);

$obj = new SWFEditor();
if ($obj->input($swfdata) == false) {
    fprintf(STDERR, "input failed\n");
    exit(1);
}

$result = $obj->getJpegAlpha($image_id);

if ($result === false) {
    echo "getJpetAlpha failed\n";
    exit (0);
}

echo $result;