/**
* Convert a picture to a different format and/or resize it.
*
* @param $from: File path to the original file.
* @param $to: File path where the new file should be saved.
* @param $mime: MIME type of the original image.
* @param $maxWidth: Maximum width of the new image. No resizing
* is done if this is empty. Can be used without
* specifying maxHeight.
* @param $maxHeight: Maximum height of the new image. Must be
* used together with $maxWidth.
*/
protected static function convert($from, $to, $mime, $maxWidth = '', $maxHeight = '')
{
$cmd = binarypool_config::getUtilityPath('convert');
# Make sure all output images are in RGB. This handles incoming CMYK
# images which some browsers can't display.
$cmd .= ' -colorspace RGB';
switch ($mime) {
case 'image/pdf':
case 'application/pdf':
$cmd .= ' -trim';
break;
case 'image/gif':
break;
default:
$cmd .= ' -flatten';
break;
}
if ($maxWidth != '') {
$scale = intval($maxWidth);
if ($maxHeight != '') {
$scale .= 'x' . intval($maxHeight);
# Don't enlarge if the size is already smaller than resized version
$scale .= '>';
}
$cmd .= ' -resize ' . escapeshellarg($scale) . '';
}
if ($mime == 'image/jpeg') {
# Sharpen image
$cmd .= ' -unsharp 0.5x1';
}
$cmd = $cmd . ' ' . escapeshellarg($from) . ' ' . escapeshellarg($to);
$log = new api_log();
$log->debug("Resizing image using command: {$cmd}");
shell_exec($cmd);
}
function cleanSymlinks()
{
// Do symlink cleanup
printf("[%10s] Cleaning up symlinks.\n", 'FINAL');
$cmd = binarypool_config::getUtilityPath('symlinks');
system("{$cmd} -cdrs " . binarypool_config::getRoot() . "*/created");
system("{$cmd} -cdrs " . binarypool_config::getRoot() . "*/expiry");
system("{$cmd} -cdrsv " . binarypool_config::getRoot() . "*/downloaded |grep '/dev/null' |xargs -0 rm");
}
/**
* Convert a PDF/EPS to JPG/PNG.
*
* @param $from: File path to the original file.
* @param $to: File path where the new file should be saved.
* @param $format: Format to convert to.
*/
protected static function convert($from, $to, $format)
{
$cmd = binarypool_config::getUtilityPath('pdfconverter');
$cmd .= ' -f ' . $format;
$cmd .= ' ' . escapeshellarg($from) . ' ' . escapeshellarg($to);
$log = new api_log();
$log->debug("Rendering PDF with command: {$cmd}");
shell_exec($cmd);
}
protected static function convert($from, $to)
{
$cmd = binarypool_config::getUtilityPath('convert');
$cmd .= ' -density 288 -resize 220 +antialias';
# Make sure all output images are in RGB. This handles incoming CMYK
# images which some browsers can't display.
$cmd .= ' -colorspace RGB -trim ';
$cmd .= escapeshellarg($from) . ' ' . escapeshellarg($to);
$log = new api_log();
$log->debug("Converting PDF/EPS image using command: {$cmd}");
shell_exec($cmd);
}
protected static function lint($source, $xsd = null)
{
$cmd = binarypool_config::getUtilityPath('xmllint');
$cmd .= ' --nowarning --nonet --noout';
if (!is_null($xsd)) {
$cmd .= ' --schema ' . escapeshellarg($xsd);
}
$cmd = $cmd . ' ' . escapeshellarg($source) . ' >/dev/null 2>/dev/null';
system($cmd, $retval);
if ($retval != 0) {
if (is_null($xsd)) {
throw new binarypool_exception(117, 400, "XML document is not well-formed.");
} else {
throw new binarypool_exception(118, 400, "XML document is not valid.");
}
}
return true;
}
/**
* Uses `file' on the command line to get the MIME type.
*/
protected static function getMimeTypeWithCmdLineFile($file)
{
$cmd = binarypool_config::getUtilityPath('file');
$mime = trim(shell_exec("{$cmd} -ib " . escapeshellarg($file)));
if ($mime == '' || $mime == 'regular file') {
return null;
} else {
return $mime;
}
}
function testGetPathOfConvert()
{
$convert = binarypool_config::getUtilityPath('convert');
$this->assertNotEqual(0, strlen($convert));
}