forked from GNUsocial/gnu-social
[MEDIA] Replaced internal image handling with intervention/image, which is capable of using both GD and ImageMagik
This commit is contained in:
Miguel Dantas
Diogo Cordeiro
parent
2db3825940
commit
955d5a136f
@ -30,6 +30,8 @@
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defined('GNUSOCIAL') || die();
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use Intervention\Image\ImageManagerStatic as Image;
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/**
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* A wrapper on uploaded images
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*
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@ -53,27 +55,37 @@ class ImageFile extends MediaFile
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public function __construct($id, string $filepath)
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{
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$old_limit = ini_set('memory_limit', common_config('attachments', 'memory_limit'));
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// These do not have to be the same as fileRecord->filename for example,
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// since we may have generated an image source file from something else!
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$this->filepath = $filepath;
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$this->filename = basename($filepath);
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$info = @getimagesize($this->filepath);
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$img = Image::make($this->filepath);
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$this->mimetype = $img->mime();
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if (!(($info[2] == IMAGETYPE_GIF && function_exists('imagecreatefromgif')) ||
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($info[2] == IMAGETYPE_JPEG && function_exists('imagecreatefromjpeg')) ||
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($info[2] == IMAGETYPE_BMP && function_exists('imagecreatefrombmp')) ||
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($info[2] == IMAGETYPE_WBMP && function_exists('imagecreatefromwbmp')) ||
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($info[2] == IMAGETYPE_XBM && function_exists('imagecreatefromxbm')) ||
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($info[2] == IMAGETYPE_PNG && function_exists('imagecreatefrompng')))) {
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$cmp = function($obj, $type) {
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if ($obj->mimetype == image_type_to_mime_type($type)) {
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$obj->type = $type;
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return true;
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} else {
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return false;
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}
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};
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if (!(($cmp($this, IMAGETYPE_GIF) && function_exists('imagecreatefromgif')) ||
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($cmp($this, IMAGETYPE_JPEG) && function_exists('imagecreatefromjpeg')) ||
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($cmp($this, IMAGETYPE_BMP) && function_exists('imagecreatefrombmp')) ||
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($cmp($this, IMAGETYPE_WBMP) && function_exists('imagecreatefromwbmp')) ||
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($cmp($this, IMAGETYPE_XBM) && function_exists('imagecreatefromxbm')) ||
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($cmp($this, IMAGETYPE_PNG) && function_exists('imagecreatefrompng')))) {
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common_debug("Mimetype '{$this->mimetype}' was not recognized as a supported format");
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// TRANS: Exception thrown when trying to upload an unsupported image file format.
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throw new UnsupportedMediaException(_m('Unsupported image format.'), $this->filepath);
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}
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$this->width = $info[0];
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$this->height = $info[1];
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$this->type = $info[2];
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$this->mimetype = $info['mime'];
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$this->width = $img->width();
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$this->height = $img->height();
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parent::__construct(
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$filepath,
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@ -82,9 +94,9 @@ class ImageFile extends MediaFile
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$id
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);
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if ($this->type === IMAGETYPE_JPEG && function_exists('exif_read_data')) {
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if ($this->type === IMAGETYPE_JPEG) {
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// Orientation value to rotate thumbnails properly
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$exif = @exif_read_data($this->filepath);
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$exif = @$img->exif();
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if (is_array($exif) && isset($exif['Orientation'])) {
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switch (intval($exif['Orientation'])) {
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case 1: // top is top
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@ -107,8 +119,16 @@ class ImageFile extends MediaFile
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}
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Event::handle('FillImageFileMetadata', array($this));
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$img->destroy();
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ini_set('memory_limit', $old_limit); // Restore the old memory limit
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}
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/**
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* Create a thumbnail from a file object
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*
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* @return ImageFile
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*/
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public static function fromFileObject(File $file)
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{
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$imgPath = null;
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@ -250,8 +270,9 @@ class ImageFile extends MediaFile
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$box['h'] = isset($box['h']) ? intval($box['h']) : $this->height;
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if (!file_exists($this->filepath)) {
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// TRANS: Exception thrown during resize when image has been registered as present, but is no longer there.
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throw new Exception(_m('Lost our file.'));
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// TRANS: Exception thrown during resize when image has been registered as present,
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// but is no longer there.
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throw new FileNotFoundException($this->filepath);
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}
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// Don't rotate/crop/scale if it isn't necessary
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@ -307,94 +328,44 @@ class ImageFile extends MediaFile
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protected function resizeToFile(string $outpath, array $box) : string
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{
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$old_limit = ini_set('memory_limit', common_config('attachments', 'memory_limit'));
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$image_src = null;
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switch ($this->type) {
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case IMAGETYPE_GIF:
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$image_src = imagecreatefromgif($this->filepath);
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break;
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case IMAGETYPE_JPEG:
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$image_src = imagecreatefromjpeg($this->filepath);
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break;
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case IMAGETYPE_PNG:
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$image_src = imagecreatefrompng($this->filepath);
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break;
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case IMAGETYPE_BMP:
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$image_src = imagecreatefrombmp($this->filepath);
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break;
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case IMAGETYPE_WBMP:
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$image_src = imagecreatefromwbmp($this->filepath);
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break;
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case IMAGETYPE_XBM:
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$image_src = imagecreatefromxbm($this->filepath);
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break;
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default:
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try {
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$img = Image::make($this->filepath);
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} catch (Exception $e) {
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common_log(LOG_ERR, __METHOD__ . ' ecountered exception: ' . print_r($e, true));
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// TRANS: Exception thrown when trying to resize an unknown file type.
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throw new Exception(_m('Unknown file type'));
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}
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if ($this->rotate != 0) {
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$image_src = imagerotate($image_src, $this->rotate, 0);
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}
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$image_dest = imagecreatetruecolor($box['width'], $box['height']);
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if ($this->type == IMAGETYPE_PNG || $this->type == IMAGETYPE_BMP) {
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$transparent_idx = imagecolortransparent($image_src);
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if ($transparent_idx >= 0 && $transparent_idx < 255) {
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$transparent_color = imagecolorsforindex($image_src, $transparent_idx);
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$transparent_idx = imagecolorallocate(
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$image_dest,
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$transparent_color['red'],
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$transparent_color['green'],
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$transparent_color['blue']
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);
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imagefill($image_dest, 0, 0, $transparent_idx);
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imagecolortransparent($image_dest, $transparent_idx);
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} elseif ($this->type == IMAGETYPE_PNG) {
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imagealphablending($image_dest, false);
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$transparent = imagecolorallocatealpha($image_dest, 0, 0, 0, 127);
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imagefill($image_dest, 0, 0, $transparent);
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imagesavealpha($image_dest, true);
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}
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}
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imagecopyresampled(
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$image_dest,
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$image_src,
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0,
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0,
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$box['x'],
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$box['y'],
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$box['width'],
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$box['height'],
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$box['w'],
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$box['h']
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);
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if ($this->filepath === $outpath) {
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@unlink($outpath);
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}
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$type = $this->preferredType();
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if ($this->rotate != 0) {
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$img = $img->orientate();
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}
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$img->crop($box['width'], $box['height'], $box['x'], $box['y']);
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// Ensure we save in the correct format and allow customization based on type
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$type = $this->preferredType();
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switch ($type) {
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case IMAGETYPE_GIF:
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imagegif($image_dest, $outpath);
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break;
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case IMAGETYPE_JPEG:
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imagejpeg($image_dest, $outpath, common_config('image', 'jpegquality'));
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$img->save($outpath, 100, 'gif');
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break;
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case IMAGETYPE_PNG:
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imagepng($image_dest, $outpath);
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$img->save($outpath, 100, 'png');
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break;
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case IMAGETYPE_JPEG:
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$img->save($outpath, common_config('image', 'jpegquality'), 'jpg');
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break;
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default:
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// TRANS: Exception thrown when trying resize an unknown file type.
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throw new Exception(_m('Unknown file type'));
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}
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imagedestroy($image_src);
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imagedestroy($image_dest);
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$img->destroy();
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ini_set('memory_limit', $old_limit); // Restore the old memory limit
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return $outpath;
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