public function generate(FormatInterface $format)
{
// default output size egual input size
if (empty($this->outputWidth)) {
$this->setOutputWidth($this->inputWidth);
}
if (empty($this->outputHeight)) {
$this->setOutputHeight($this->inputHeight);
}
// valid output size
if (0 >= $this->outputWidth || 0 >= $this->outputHeight) {
throw new \LengthException('Invalid image dimensions');
}
// create output image
$this->output = imagecreatetruecolor($this->outputWidth, $this->outputHeight);
// background color fill
if (!is_null($this->colorFill)) {
imagefill($this->output, 0, 0, $this->colorFill->getColor());
}
// copy input
if ($this->input) {
switch ($this->resizeMode) {
case self::RESIZE_FIT:
$this->resize($this->output, $this->input, $this->outputWidth, $this->outputHeight, $this->inputWidth, $this->inputHeight);
break;
case self::RESIZE_CROP:
$this->crop($this->output, $this->input, $this->outputWidth, $this->outputHeight, $this->inputWidth, $this->inputHeight);
break;
default:
imagecopyresampled($this->output, $this->input, 0, 0, 0, 0, $this->outputWidth, $this->outputHeight, $this->inputWidth, $this->inputHeight);
}
}
// apply filters
foreach ($this->filters as $filter) {
$filter->apply($this->output);
}
// generate output fill in the right format
$format->generate($this->output, $this->outputPath);
}
/**
* Generate image
*
* @param FormatInterface Image format.
* @param string The path to save the file to.
* @return void
**/
public function generate(FormatInterface $format, $filename = null)
{
if ($filename) {
$this->isValidOutput($filename);
}
// create output image
$output = imagecreatetruecolor($this->width, $this->height);
// background color fill
if (!is_null($this->colorFill)) {
imagefill($output, 0, 0, $this->colorFill->getColor());
}
// copy image
imagecopyresampled($output, $this->image, 0, 0, 0, 0, $this->width, $this->height, $this->width, $this->height);
// apply transformations
foreach ($this->transformations as $transformation) {
$transformation->apply($output);
}
// apply filters
foreach ($this->filters as $filter) {
$filter->apply($output);
}
// generate output fill in the right format
$format->generate($output, $filename);
}