');
define('HTML_WRAP', '%1$s
%1$s
');
$html = '';
$lWidth2x = 0;
$lWidth1x = 0;
$lHeight2x = 0;
$lHeight1x = 0;
$width2x = 0;
$height2x = 0;
$dropFiles = [];
foreach($files as $file) {
$imgSize = getimagesize($file);
if($imgSize === false || $imgSize[2] !== IMAGETYPE_PNG) {
$dropFiles[] = $file;
continue;
}
if($lWidth2x < $imgSize[0])
$lWidth2x = $imgSize[0];
if($lHeight2x < $imgSize[1])
$lHeight2x = $imgSize[1];
$width2x += $imgSize[0];
if($height2x < $imgSize[1])
$height2x = $imgSize[1];
}
if($width2x < 1 || $height2x < 1)
die('did nothing' . PHP_EOL);
$files = array_diff($files, $dropFiles);
$lWidth1x = ceil($lWidth2x / 2);
$lHeight1x = ceil($lHeight2x / 2);
$width1x = ceil($width2x / 2);
$height1x = ceil($height2x / 2);
$offset = 0;
$sprite1x = new Imagick;
$sprite1x->newImage($width1x, $height1x, 'none');
$sprite1x->setImageFormat('png');
$sprite2x = new Imagick;
$sprite2x->newImage($width2x, $height2x, 'none');
$sprite2x->setImageFormat('png');
foreach($files as $file) {
$fileName = pathinfo($file, PATHINFO_FILENAME);
$html .= sprintf(HTML_TPL, $fileName);
$css .= sprintf(CSS_TPL, $fileName, $width1x - ($offset * $lWidth1x), 0);
$imagick = new Imagick($file);
$sprite2x->compositeImage($imagick, Imagick::COMPOSITE_DEFAULT, $offset * $lWidth2x, 0);
$imagick->resizeImage(
ceil($imagick->getImageWidth() / 2),
ceil($imagick->getImageHeight() / 2),
Imagick::FILTER_LANCZOS, 1
);
$sprite1x->compositeImage($imagick, Imagick::COMPOSITE_DEFAULT, $offset * $lWidth1x, 0);
$imagick->destroy();
$offset++;
}
$sprite1x->writeImage('sprite.png');
$sprite1x->destroy();
$sprite2x->writeImage('sprite@2x.png');
$sprite2x->destroy();
file_put_contents('sprite.css', sprintf($css, $width1x, $height1x, $width2x, $height2x));
file_put_contents('sprite.html', sprintf(HTML_WRAP, $html));