/**
* Renderer Constructor
*
* @param mixed $renderer String name of renderer class, or Zend_Config object.
* @param mixed $rendererConfig OPTIONAL; an array or Zend_Config object with renderer parameters.
* @return Zend_Barcode_Renderer
*/
public static function makeRenderer($renderer = 'image', $rendererConfig = array())
{
if ($renderer instanceof Zend_Barcode_Renderer_RendererAbstract) {
return $renderer;
}
/*
* Convert Zend_Config argument to plain string
* barcode name and separate config object.
*/
if ($renderer instanceof Zend_Config) {
if (isset($renderer->rendererParams)) {
$rendererConfig = $renderer->rendererParams->toArray();
}
if (isset($renderer->renderer)) {
$renderer = (string) $renderer->renderer;
}
}
if ($rendererConfig instanceof Zend_Config) {
$rendererConfig = $rendererConfig->toArray();
}
/*
* Verify that barcode parameters are in an array.
*/
if (!is_array($rendererConfig)) {
/**
* @see Zend_Barcode_Exception
*/
// require_once 'Zend/Barcode/Exception.php';
$e = new Zend_Barcode_Exception('Barcode parameters must be in an array or a Zend_Config object');
$e->setIsRenderable(false);
throw $e;
}
/*
* Verify that an barcode name has been specified.
*/
if (!is_string($renderer) || empty($renderer)) {
/**
* @see Zend_Barcode_Exception
*/
// require_once 'Zend/Barcode/Exception.php';
$e = new Zend_Barcode_Exception('Renderer name must be specified in a string');
$e->setIsRenderable(false);
throw $e;
}
/*
* Form full barcode class name
*/
$rendererNamespace = 'Zend_Barcode_Renderer';
if (isset($rendererConfig['rendererNamespace'])) {
$rendererNamespace = $rendererConfig['rendererNamespace'];
}
$rendererName = strtolower($rendererNamespace . '_' . $renderer);
$rendererName = str_replace(' ', '_', ucwords(str_replace('_', ' ', $rendererName)));
/*
* Load the barcode class. This throws an exception
* if the specified class cannot be loaded.
*/
if (!class_exists($rendererName)) {
// require_once 'Zend/Loader.php';
Zend_Loader::loadClass($rendererName);
}
/*
* Create an instance of the barcode class.
* Pass the config to the barcode class constructor.
*/
$rdrAdapter = new $rendererName($rendererConfig);
/*
* Verify that the object created is a descendent of the abstract barcode type.
*/
if (!$rdrAdapter instanceof Zend_Barcode_Renderer_RendererAbstract) {
/**
* @see Zend_Barcode_Exception
*/
// require_once 'Zend/Barcode/Exception.php';
$e = new Zend_Barcode_Exception("Renderer class '{$rendererName}' does not extend Zend_Barcode_Renderer_RendererAbstract");
$e->setIsRenderable(false);
throw $e;
}
return $rdrAdapter;
}
/**
* Initialize the image resource
*
* @return void
*/
protected function _initRenderer()
{
if (!extension_loaded('gd')) {
// require_once 'Zend/Barcode/Exception.php';
$e = new Zend_Barcode_Exception(
'Gd extension must be loaded to render barcode as image'
);
$e->setIsRenderable(false);
throw $e;
}
$barcodeWidth = $this->_barcode->getWidth(true);
$barcodeHeight = $this->_barcode->getHeight(true);
if ($this->_resource !== null) {
$foreColor = $this->_barcode->getForeColor();
$backgroundColor = $this->_barcode->getBackgroundColor();
$this->_imageBackgroundColor = imagecolorallocate(
$this->_resource,
($backgroundColor & 0xFF0000) >> 16,
($backgroundColor & 0x00FF00) >> 8,
$backgroundColor & 0x0000FF
);
$this->_imageForeColor = imagecolorallocate(
$this->_resource,
($foreColor & 0xFF0000) >> 16,
($foreColor & 0x00FF00) >> 8,
$foreColor & 0x0000FF
);
} else {
$width = $barcodeWidth;
$height = $barcodeHeight;
if ($this->_userWidth && $this->_barcode->getType() != 'error') {
$width = $this->_userWidth;
}
if ($this->_userHeight && $this->_barcode->getType() != 'error') {
$height = $this->_userHeight;
}
$foreColor = $this->_barcode->getForeColor();
$backgroundColor = $this->_barcode->getBackgroundColor();
$this->_resource = imagecreatetruecolor($width, $height);
$this->_imageBackgroundColor = imagecolorallocate(
$this->_resource,
($backgroundColor & 0xFF0000) >> 16,
($backgroundColor & 0x00FF00) >> 8,
$backgroundColor & 0x0000FF
);
$this->_imageForeColor = imagecolorallocate(
$this->_resource,
($foreColor & 0xFF0000) >> 16,
($foreColor & 0x00FF00) >> 8,
$foreColor & 0x0000FF
);
$white = imagecolorallocate($this->_resource, 255, 255, 255);
imagefilledrectangle($this->_resource, 0, 0, $width - 1, $height - 1, $white);
}
$this->_adjustPosition(imagesy($this->_resource), imagesx($this->_resource));
imagefilledrectangle(
$this->_resource,
$this->_leftOffset,
$this->_topOffset,
$this->_leftOffset + $barcodeWidth - 1,
$this->_topOffset + $barcodeHeight - 1,
$this->_imageBackgroundColor
);
}
