/**
* load image
*
* @return bool
* @param string $url source url
* @param string $extension file extension of output file
* @param int $width
* @param int $height
*/
public function loadImage($url, $extension = 'png', $width = false, $height = false)
{
// load image
try {
$data = \helpers\WebClient::request($url);
} catch (\exception $e) {
\F3::get('logger')->log("failed to retrieve image {$url}," . $e->getMessage(), \ERROR);
return false;
}
// get image type
$tmp = \F3::get('cache') . '/' . md5($url);
file_put_contents($tmp, $data);
$imgInfo = @getimagesize($tmp);
if (strtolower($imgInfo['mime']) == 'image/vnd.microsoft.icon') {
$type = 'ico';
} elseif (strtolower($imgInfo['mime']) == 'image/png') {
$type = 'png';
} elseif (strtolower($imgInfo['mime']) == 'image/jpeg') {
$type = 'jpg';
} elseif (strtolower($imgInfo['mime']) == 'image/gif') {
$type = 'gif';
} elseif (strtolower($imgInfo['mime']) == 'image/x-ms-bmp') {
$type = 'bmp';
} else {
@unlink($tmp);
return false;
}
// convert ico to png
if ($type == 'ico') {
$ico = new \floIcon();
@$ico->readICO($tmp);
if (count($ico->images) == 0) {
@unlink($tmp);
return false;
}
ob_start();
@imagepng($ico->images[count($ico->images) - 1]->getImageResource());
$data = ob_get_contents();
ob_end_clean();
}
// parse image for saving it later
@unlink($tmp);
try {
$wideImage = \WideImage::load($data);
} catch (\Exception $e) {
return false;
}
// resize
if ($width !== false && $height !== false) {
if ($height !== null && $wideImage->getHeight() > $height || $width !== null && $wideImage->getWidth() > $width) {
$wideImage = $wideImage->resize($width, $height);
}
}
// return image as jpg or png
if ($extension == 'jpg') {
$data = $wideImage->asString('jpg', 75);
} else {
$data = $wideImage->asString('png', 4, PNG_NO_FILTER);
}
return $data;
}
/**
* get JSON object
* @param string $url URL
* @return object JSON object
*/
public function getJsonContent($url)
{
$content = null;
try {
$content = \helpers\WebClient::request($url);
} catch (\exception $e) {
throw new \exception('github spout error ' . $e->getMessage());
}
$json = @json_decode($content);
if (empty($json)) {
throw new \exception('github spout error: empy json');
}
return $json;
}
