installed = false;
$dcraw->error = t("The dcraw tool could not be located on your system.");
} else {
$dcraw->path = $path;
if (!@is_file($path)) {
$dcraw->installed = false;
$dcraw->error = t("The dcraw tool is installed, " .
"but PHP's open_basedir restriction " .
"prevents Gallery from using it.");
} else if (!preg_match('/^Raw [Pp]hoto [Dd]ecoder(?: "dcraw")? v(\S+)$/m',
shell_exec(escapeshellcmd($path) . " 2>&1"), $matches)) {
$dcraw->installed = false;
$dcraw->error = t("The dcraw tool is installed, " .
"but the version is not recognized.");
} else {
$dcraw->version = $matches[1];
$dcraw->installed = true;
}
}
return $dcraw;
}
static function get_supported_toolkits() {
return array("imagemagick" => "ImageMagick",
"graphicsmagick" => "GraphicsMagick");
}
static function report_dcraw_support($dcraw) {
if ($dcraw->installed) {
site_status::clear("rawphoto_needs_dcraw");
} else {
site_status::warning(
t('The Raw Photos module requires the dcraw tool to be installed.',
array("dcraw_url" => "http://www.cybercom.net/~dcoffin/dcraw/")),
"rawphoto_needs_dcraw");
}
}
static function report_ppm_support($toolkit_id) {
if (array_key_exists($toolkit_id, rawphoto_graphics::get_supported_toolkits())) {
site_status::clear("rawphoto_needs_ppm_support");
} else {
site_status::warning(
t('The Raw Photos module requires a supporting graphics toolkit. ' .
'Activate either ImageMagick or GraphicsMagick.',
array("activate_url" => url::site("admin/graphics"))),
"rawphoto_needs_ppm_support");
}
}
static function convert($input_file, $output_file) {
$success = false;
$dcraw = rawphoto_graphics::detect_dcraw();
if ($dcraw->installed) {
// Use dcraw to convert from a raw image to a standard pixmap.
$cmd = escapeshellcmd($dcraw->path) . " -c -w ";
if (version_compare($dcraw->version, "6.00", ">=")) {
$cmd .= "-t 0 ";
}
if (version_compare($dcraw->version, "8.81", ">=")) {
$cmd .= "-W ";
}
$icc_path = module::get_var("rawphoto", "icc_path");
if (!empty($icc_path) && version_compare($dcraw->version, "8.00", ">=")) {
$cmd .= "-p " . escapeshellarg($icc_path) . " ";
}
$cmd .= escapeshellarg($input_file);
// Then use the graphics toolkit to convert the stream to a JPEG.
$cmd .= " | ";
$toolkit_id = module::get_var("gallery", "graphics_toolkit");
$toolkit_path = module::get_var("gallery", "graphics_toolkit_path");
$image_quality = module::get_var("gallery", "image_quality");
$toolkit_compat = false;
switch ($toolkit_id) {
case 'imagemagick':
$cmd .= escapeshellcmd("$toolkit_path/convert");
$cmd .= " -quality " . escapeshellarg($image_quality . "%");
$cmd .= " - " . escapeshellarg($output_file);
$toolkit_compat = true;
break;
case 'graphicsmagick':
$cmd .= escapeshellcmd("$toolkit_path/gm");
$cmd .= " convert -quality " . escapeshellarg($image_quality . "%");
$cmd .= " - " . escapeshellarg($output_file);
$toolkit_compat = true;
break;
default:
log::warning("rawphoto", "Cannot convert raw photo with graphics toolkit: " .
$toolkit_id->active);
}
if ($toolkit_compat) {
exec($cmd, $output, $return_var);
// Failure is common, because dcraw will abort unless the original image is a raw photo.
$success = ($return_var == 0);
if (!$success) {
@unlink($output_file);
}
}
}
return $success;
}
}