private function getLength()
{
$gifFilePath = $this->directory['full'] . $this->fileinfo['filename'];
if (GifFrameExtractor::isAnimatedGif($gifFilePath)) {
$gfe = new GifFrameExtractor();
$gfe->extract($gifFilePath);
$gifTotalDuration = 0;
// Get the total duration of the gif; if a frame is 0s of a second long, automatically add 0.1s because browsers play it at that speed anyway.
// Read more: http://humpy77.deviantart.com/journal/Frame-Delay-Times-for-Animated-GIFs-240992090
foreach ($gfe->getFrameDurations() as $duration) {
$gifTotalDuration += $duration == 0 ? 10 : $duration;
}
return $gifTotalDuration / 100;
} else {
// So it's a gif, but it's not animated. Return 0
return 0;
}
}
public function automatic_reduction($file, $image_url)
{
$filetype = $this->getFileType($file);
if ((!empty($this->maximum_picture_size['width']) || !empty($this->maximum_picture_size['height'])) && ($this->width > $this->maximum_picture_size['width'] || $this->height > $this->maximum_picture_size['height'])) {
if ($this->width > $this->height) {
$maximum_picture_size_width = empty($this->maximum_picture_size['width']) ? $this->width * $this->maximum_picture_size['height'] / $this->height : $this->maximum_picture_size['width'];
$new_width = intval($maximum_picture_size_width);
$new_height = intval($this->height * $maximum_picture_size_width / $this->width);
} else {
$maximum_picture_size_height = empty($this->maximum_picture_size['height']) ? $this->height * $this->maximum_picture_size['width'] / $this->width : $this->maximum_picture_size['height'];
$new_width = intval($this->width * $maximum_picture_size_height / $this->height);
$new_height = intval($maximum_picture_size_height);
}
$layer = ImageWorkshop::initFromString($file);
if ($filetype == 'gif' && GifFrameExtractor\GifFrameExtractor::isAnimatedGif($this->temp)) {
$gfe = new GifFrameExtractor\GifFrameExtractor();
$frames = $gfe->extract($this->temp, true);
$retouchedFrames = array();
foreach ($frames as $frame) {
$frameLayer = ImageWorkshop::initFromResourceVar($frame['image']);
$frameLayer->resizeInPixel($new_width, $new_height);
$retouchedFrames[] = $frameLayer->getResult();
}
$gc = new GifCreator\GifCreator();
$gc->create($retouchedFrames, $gfe->getFrameDurations(), 0);
$file = $gc->getGif();
} else {
$layer->resizeInPixel($new_width, $new_height, true);
ob_start();
switch ($filetype) {
case 'jpg':
case 'jpeg':
ImageJpeg($layer->getResult(), null, 75);
break;
case 'png':
imagealphablending($layer->getResult(), false);
imagesavealpha($layer->getResult(), true);
ImagePng($layer->getResult());
break;
case 'gif':
ImageGif($layer->getResult(), null, 75);
break;
}
$file = ob_get_contents();
ob_end_clean();
}
imagedestroy($layer->getResult());
$this->width = $new_width;
$this->height = $new_height;
}
return $file;
}