public function __construct($file)
{
if (!Image_GD::$_checked) {
// Run the install check
Image_GD::check();
}
parent::__construct($file);
// Set the image creation function name
switch ($this->type) {
case IMAGETYPE_JPEG:
$create = 'imagecreatefromjpeg';
break;
case IMAGETYPE_GIF:
$create = 'imagecreatefromgif';
break;
case IMAGETYPE_PNG:
$create = 'imagecreatefrompng';
break;
}
if (!isset($create) or !function_exists($create)) {
throw new Kohana_Exception('Installed GD does not support :type images', array(':type' => image_type_to_extension($this->type, FALSE)));
}
// Save function for future use
$this->_create_function = $create;
// Save filename for lazy loading
$this->_image = $this->file;
}
public function __construct($file)
{
if (!Image_GD::$_checked) {
// Run the install check
Image_GD::check();
}
parent::__construct($file);
// Set the image creation function name
switch ($this->type) {
case IMAGETYPE_JPEG:
$create = 'imagecreatefromjpeg';
break;
case IMAGETYPE_GIF:
$create = 'imagecreatefromgif';
break;
case IMAGETYPE_PNG:
$create = 'imagecreatefrompng';
break;
}
if (!isset($create) or !function_exists($create)) {
throw new Kohana_Exception('Installed GD does not support :type images', array(':type' => image_type_to_extension($this->type, FALSE)));
}
// Open the temporary image
$this->_image = $create($this->file);
// Preserve transparency when saving
imagesavealpha($this->_image, TRUE);
}
public static function check()
{
if (!function_exists('gd_info')) {
throw new Exception('GD is either not installed or not enabled, check your configuration');
}
if (defined('GD_BUNDLED')) {
// Get the version via a constant, available in PHP 5.
$bundled = GD_BUNDLED;
} else {
// Get the version information
$bundled = current(gd_info());
// Extract the bundled status
$bundled = (bool) preg_match('/\\bbundled\\b/i', $bundled);
}
if (!$bundled) {
throw new Exception('Image_GD requires GD to be bundled with PHP');
}
if (defined('GD_VERSION')) {
// Get the version via a constant, available in PHP 5.2.4+
$version = GD_VERSION;
} else {
// Get the version information
$version = current(gd_info());
// Extract the version number
preg_match('/\\d+\\.\\d+(?:\\.\\d+)?/', $version, $matches);
// Get the major version
$version = $matches[0];
}
if (!version_compare($version, '2.0', '>=')) {
throw new KoException('Image_GD requires GD version 2.0 or greater, you have :version', array(':version' => $version));
}
return Image_GD::$_checked = TRUE;
}
/**
* Checks if GD is enabled and bundled. Bundled GD is required for some
* methods to work. Exceptions will be thrown from those methods when GD is
* not bundled.
*
* @return boolean
*/
public static function check()
{
parent::check();
// Chema-> theres a bug here sometimes returns 0 as version :(
if (defined('GD_BUNDLED')) {
// Get the version via a constant, available in PHP 5.
Image_GD::$_bundled = GD_BUNDLED == 0 ? 1 : GD_BUNDLED;
} else {
// Get the version information
$info = gd_info();
// Extract the bundled status
Image_GD::$_bundled = (bool) preg_match('/\\bbundled\\b/i', $info['GD Version']);
}
}
public function actionIndex()
{
$image = new Image_GD(Yii::getPathOfAlias("system") . "/yii-powered.png");
$image->resize(800, 150);
Yii::app()->request->sendFile("image.png", $image->render());
}
/**
* Checks if GD is enabled and verify that key methods exist, some of which require GD to
* be bundled with PHP. Exceptions will be thrown from those methods when GD is not
* bundled.
*
* @return boolean
*/
public static function check()
{
if (!function_exists('gd_info')) {
throw new Kohana_Exception('GD is either not installed or not enabled, check your configuration');
}
$functions = [Image_GD::IMAGEROTATE, Image_GD::IMAGECONVOLUTION, Image_GD::IMAGEFILTER, Image_GD::IMAGELAYEREFFECT];
foreach ($functions as $function) {
Image_GD::$_available_functions[$function] = function_exists($function);
}
if (defined('GD_VERSION')) {
// Get the version via a constant, available in PHP 5.2.4+
$version = GD_VERSION;
} else {
// Get the version information
$info = gd_info();
// Extract the version number
preg_match('/\\d+\\.\\d+(?:\\.\\d+)?/', $info['GD Version'], $matches);
// Get the major version
$version = $matches[0];
}
if (!version_compare($version, '2.0.1', '>=')) {
throw new Kohana_Exception('Image_GD requires GD version :required or greater, you have :version', ['required' => '2.0.1', ':version' => $version]);
}
return Image_GD::$_checked = true;
}
