/**
* Request a specific image from the collection of images.
*
* @param integer $index The index to return
*
* @return Horde_Image_Base
*/
public function getImageAtIndex($index)
{
if ($index >= $this->_imagick->getNumberImages()) {
throw Horde_Image_Exception('Image index out of bounds.');
}
$currentIndex = $this->_imagick->getIteratorIndex();
$this->_imagick->setIteratorIndex($index);
$image = $this->current();
$this->_imagick->setIteratorIndex($currentIndex);
return $image;
}
/**
* Draws a line.
*
* @param integer $x0 The x coordinate of the start.
* @param integer $y0 The y coordinate of the start.
* @param integer $x1 The x coordinate of the end.
* @param integer $y1 The y coordinate of the end.
* @param string $color The line color.
* @param string $width The width of the line.
*/
public function line($x0, $y0, $x1, $y1, $color = 'black', $width = 1)
{
try {
$draw = new ImagickDraw();
$draw->setStrokeColor(new ImagickPixel($color));
$draw->setStrokeWidth($width);
$draw->line($x0, $y0, $x1, $y1);
} catch (ImagickDrawException $e) {
throw new Horde_Image_Exception($e);
} catch (ImagickPixelException $e) {
throw new Horde_Image_Exception($e);
}
try {
$this->_imagick->drawImage($draw);
} catch (ImagickException $e) {
throw Horde_Image_Exception($e);
}
$draw->destroy();
}
