public function multi_resize($sizes)
{
$is_animated_gif = GifFrameExtractor::isAnimatedGif($this->file);
if (!$is_animated_gif) {
return parent::multi_resize($sizes);
}
$metadata = array();
$orig_size = $this->size;
foreach ($sizes as $size => $size_data) {
$image = $this->_resize_animated_gif($size_data['width'], $size_data['height'], $size_data['crop']);
if (!is_wp_error($image)) {
$resized = $this->_save_animated_gif($image);
unset($image);
if (!is_wp_error($resized) && $resized) {
unset($resized['path']);
$metadata[$size] = $resized;
}
}
$this->size = $orig_size;
}
return $metadata;
}
public function __construct($filepath)
{
$this->filepath = $filepath;
require_once __DIR__ . '/lib/GifCreator.php';
require_once __DIR__ . '/lib/GifFrameExtractor.php';
if (GifFrameExtractor::isAnimatedGif($this->filepath)) {
$gfe = new GifFrameExtractor();
$frames = $gfe->extract();
$newFrames = [];
foreach ($frames as $f) {
require_once __DIR__ . '/lib/PHPImageWorkshop/ImageWorkshop.php';
$layer = ImageWorkshop::initFromResourceVar($f['image']);
//We use resizeScaleWidth in imagestatus
//$layer->resizeInPixel($thumbWidth, $thumbHeight, $conserveProportion, $positionX, $positionY, $position);
//$layer->resizeByNarrowSideInPixel($newNarrowSideWidth, $conserveProportion);
}
}
}
protected function _resize_animated_gif($max_w, $max_h, $crop = false)
{
$frame_resources = array();
// GD resources of each frame
$durations = array();
// ms duration of each frame
$gfe = new GifFrameExtractor();
$gfe->extract($this->file);
// get frames from gif
$dims = image_resize_dimensions($this->size['width'], $this->size['height'], $max_w, $max_h, $crop);
if (!$dims) {
return new WP_Error('error_getting_dimensions', __('Could not calculate resized image dimensions'), $this->file);
}
list($dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) = $dims;
foreach ($gfe->getFrames() as $frame) {
$img = $frame["image"];
$duration = $frame["duration"];
$frame_resize_resource = wp_imagecreatetruecolor($dst_w, $dst_h);
// resize frame
imagecopyresampled($frame_resize_resource, $img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
if (is_resource($frame_resize_resource)) {
$frame_resources[] = $frame_resize_resource;
$durations[] = $duration;
}
}
if ($frame_resources) {
$this->update_size($dst_w, $dst_h);
// reconstruct small gif:
$gc = new GifCreator();
$gc->create($frame_resources, $durations, 0);
return $gc;
} else {
return new WP_Error('image_resize_error', __('Image resize failed.'), $this->file);
}
}
public function processFolioImage($aFile, $folder, $aName, $imageInfo)
{
$ext = self::_getImageExt($aFile['type']);
if (empty($ext)) {
$this->setMessage(iaLanguage::getf('file_type_error', array('extension' => implode(', ', array_unique(self::$_typesMap)))));
return false;
}
$path = IA_UPLOADS . $folder;
$image = ImageWorkshop::initFromPath($aFile['tmp_name']);
// save source image
$image->save($path, self::SOURCE_PREFIX . $aName . $ext);
// process thumbnails for files uploaded in CKEditor and other tools
if (empty($imageInfo)) {
// apply watermark
$image = self::_applyWaterMark($image);
$image->save($path, self::_createFilename($aName, $ext));
return true;
}
// check this is an animated GIF
if ('image/gif' == $aFile['type'] && $this->iaCore->get('allow_animated_gifs')) {
require_once IA_INCLUDES . 'phpimageworkshop' . IA_DS . 'Core' . IA_DS . 'GifFrameExtractor.php';
$gifPath = $aFile['tmp_name'];
if (GifFrameExtractor::isAnimatedGif($gifPath)) {
// Extractions of the GIF frames and their durations
$gfe = new GifFrameExtractor();
$frames = $gfe->extract($gifPath);
// For each frame, we add a watermark and we resize it
$retouchedFrames = array();
$thumbFrames = array();
foreach ($frames as $frame) {
$frameLayer = ImageWorkshop::initFromResourceVar($frame['image']);
$thumbLayer = ImageWorkshop::initFromResourceVar($frame['image']);
$frameLayer->resizeInPixel($imageInfo['image_width'], $imageInfo['image_height'], true);
$frameLayer = self::_applyWaterMark($frameLayer);
$retouchedFrames[] = $frameLayer->getResult();
$thumbLayer->resizeInPixel($imageInfo['thumb_width'], $imageInfo['thumb_height'], true);
$thumbFrames[] = $thumbLayer->getResult();
}
// Then we re-generate the GIF
require_once IA_INCLUDES . 'phpimageworkshop' . IA_DS . 'Core' . IA_DS . 'GifCreator.php';
$gc = new GifCreator();
$gc->create($retouchedFrames, $gfe->getFrameDurations(), 0);
file_put_contents($path . self::_createFilename($aName, $ext), $gc->getGif());
$thumbCreator = new GifCreator();
$thumbCreator->create($thumbFrames, $gfe->getFrameDurations(), 0);
file_put_contents($path . self::_createFilename($aName, $ext, true), $thumbCreator->getGif());
return self::_createFilename($folder . $aName, $ext, true);
}
}
// save full image
$largestSide = $imageInfo['image_width'] > $imageInfo['image_height'] ? $imageInfo['image_width'] : $imageInfo['image_height'];
if ($largestSide) {
$image->resizeByLargestSideInPixel($largestSide, true);
}
$image = self::_applyWaterMark($image);
$image->save($path, self::_createFilename($aName, $ext));
// generate thumbnail
$thumbWidth = $imageInfo['thumb_width'] ? $imageInfo['thumb_width'] : $this->iaCore->get('thumb_w');
$thumbHeight = $imageInfo['thumb_height'] ? $imageInfo['thumb_height'] : $this->iaCore->get('thumb_h');
$positionX = $imageInfo['positionX'] ? $imageInfo['positionX'] : 0;
$positionY = $imageInfo['positionY'] ? $imageInfo['positionY'] : 0;
$position = $imageInfo['position'] ? $imageInfo['position'] : 'MM';
$resize = $imageInfo['resize'] ? $imageInfo['resize'] : 'before_crop';
$cropWidth = $imageInfo['crop_width'] ? $imageInfo['crop_width'] : '';
$cropHeight = $imageInfo['crop_height'] ? $imageInfo['crop_height'] : '';
if ($thumbWidth || $thumbHeight) {
$thumb = ImageWorkshop::initFromPath($aFile['tmp_name']);
switch ($imageInfo['resize_mode']) {
case self::FIT:
$thumb->resizeInPixel($thumbWidth, $thumbHeight, true, 0, 0, 'MM');
break;
case self::CROP:
$largestSide = $thumbWidth > $thumbHeight ? $thumbWidth : $thumbHeight;
if ($this->iaCore->get('portfolio_use_crop')) {
if ('after_crop' == $resize) {
// $thumb->cropMaximumInPixel(0, 0, 'MM');
$thumb->cropInPixel($cropWidth, $cropHeight, $positionX, $positionY, $position);
$thumb->resizeInPixel($thumbWidth, $thumbHeight);
} else {
$thumb->cropMaximumInPixel(0, 0, 'MM');
$thumb->resizeInPixel($largestSide, $largestSide);
$thumb->cropInPixel($thumbWidth, $thumbHeight, $positionX, $positionY, $position);
}
} else {
$thumb->cropMaximumInPixel(0, 0, 'MM');
$thumb->resizeInPixel($largestSide, $largestSide);
$thumb->cropInPixel($thumbWidth, $thumbHeight, 0, 0, 'MM');
}
}
$thumb->save($path, self::_createFilename($aName, $ext, true));
}
return self::_createFilename($folder . $aName, $ext, true);
}
