/**
* Use Imagine to resize an image and return it's new path
*
* @param string $originalImage
* @param array $arguments
* @param array $imageOptions
*
* @return void
*
* @throws ErrorException
*/
public function doFilter($originalImage, $arguments, $imageOptions)
{
// Need at least a height or a width
if (empty($arguments['height']) && empty($arguments['width'])) {
throw new ErrorException('You must set at least the height (h) or the width (w)');
}
switch (strtolower($imageOptions['imageProcessor'])) {
case 'gd':
$Imagine = new \Imagine\Gd\Imagine();
break;
case 'imagick':
$Imagine = new \Imagine\Imagick\Imagine();
break;
case 'gmagick':
$Imagine = new \Imagine\Gmagick\Imagine();
break;
default:
throw new ErrorException('Unsupported imageProcessor config value: ' . $imageOptions['imageProcessor']);
}
$image = $Imagine->open($originalImage);
$size = $image->getSize();
$originalWidth = $size->getWidth();
$originalHeight = $size->getHeight();
$width = $originalWidth;
$height = $originalHeight;
if (!empty($arguments['height'])) {
if ($originalHeight > $arguments['height'] || $arguments['stretch']) {
$height = $arguments['height'];
}
}
if (!empty($arguments['width'])) {
if ($originalWidth > $arguments['width'] || $arguments['stretch']) {
$width = $arguments['width'];
}
}
/**
* Prevent from someone from creating huge images
*/
if ($width > $imageOptions['maxAllowedResizeWidth']) {
$width = $imageOptions['maxAllowedResizeWidth'];
}
if ($height > $imageOptions['maxAllowedResizeHeight']) {
$height = $imageOptions['maxAllowedResizeHeight'];
}
$mode = $arguments['exact'] ? ImageInterface::THUMBNAIL_OUTBOUND : ImageInterface::THUMBNAIL_INSET;
$newSize = new Box($width, $height);
$newImage = $image->thumbnail($newSize, $mode);
if ($arguments['fill']) {
$adjustedSize = $newImage->getSize();
$canvasWidth = isset($arguments['width']) ? $arguments['width'] : $adjustedSize->getWidth();
$canvasHeight = isset($arguments['height']) ? $arguments['height'] : $adjustedSize->getHeight();
/**
* Prevent from someone from creating huge images
*/
if ($canvasWidth > $imageOptions['maxAllowedResizeWidth']) {
$canvasWidth = $imageOptions['maxAllowedResizeWidth'];
}
if ($canvasHeight > $imageOptions['maxAllowedResizeHeight']) {
$canvasHeight = $imageOptions['maxAllowedResizeHeight'];
}
$canvas = $Imagine->create(new Box($canvasWidth, $canvasHeight), new Color($arguments['fillColour']));
// Put image in the middle of the canvas
$newImage = $canvas->paste($newImage, new Point((int) (($canvasWidth - $adjustedSize->getWidth()) / 2), (int) (($canvasHeight - $adjustedSize->getHeight()) / 2)));
}
$newImage->save($originalImage, array('quality' => $arguments['quality']));
}
