diff options
-rw-r--r-- | Zotlabs/Daemon/Thumbnail.php | 62 | ||||
-rw-r--r-- | Zotlabs/Storage/Browser.php | 13 | ||||
-rw-r--r-- | Zotlabs/Storage/Directory.php | 2 | ||||
-rw-r--r-- | Zotlabs/Storage/File.php | 3 | ||||
-rw-r--r-- | include/attach.php | 3 | ||||
-rw-r--r-- | include/photo/photo_driver.php | 109 | ||||
-rw-r--r-- | include/photos.php | 8 |
7 files changed, 150 insertions, 50 deletions
diff --git a/Zotlabs/Daemon/Thumbnail.php b/Zotlabs/Daemon/Thumbnail.php new file mode 100644 index 000000000..aeea07410 --- /dev/null +++ b/Zotlabs/Daemon/Thumbnail.php @@ -0,0 +1,62 @@ +<?php /** @file */ + +namespace Zotlabs\Daemon; + + +class Thumbnail { + + static public function run($argc,$argv) { + + if(! $argc == 2) + return; + + $c = q("select * from attach where hash = '%s' ", + dbesc($argv[1]) + ); + + if(! $c) + return; + + $preview_style = intval(get_config('system','thumbnail_security',0)); + + $attach = $c[0]; + $isize = 300; + + if(strpos($attach['filetype'],'text/') !== false) { + $stream = @fopen($attach['content'],'rb'); + if($stream) { + $content = trim(stream_get_contents($stream,4096)); + $content = str_replace("\r",'',$content); + $content_a = explode("\n",$content); + } + if($content_a) { + $fsize = 4; + $lsize = 8; + $image = imagecreate($isize,$isize); + imagecolorallocate($image,255,255,255); + $colour = imagecolorallocate($image,0,0,0); + $border = imagecolorallocate($image,64,64,64); + + $x1 = 0; + $y1 = 0; + $x2 = ImageSX($image) - 1; + $y2 = ImageSY($image) - 1; + + for($i = 0; $i < 2; $i++) { + ImageRectangle($image, $x1++, $y1++, $x2--, $y2--, $border); + } + + foreach($content_a as $l => $t) { + $l = $l + 1; + $x = 3; + $y = ($l * $lsize) + 3 - $fsize; + imagestring($image,1,$x,$y,$t,$colour); + if(($l * $lsize) >= $isize) { + break; + } + } + imagejpeg($image,$attach['content'] . '.thumb'); + } + } + } +}
\ No newline at end of file diff --git a/Zotlabs/Storage/Browser.php b/Zotlabs/Storage/Browser.php index 17b07ad82..dd3067cf8 100644 --- a/Zotlabs/Storage/Browser.php +++ b/Zotlabs/Storage/Browser.php @@ -208,6 +208,16 @@ class Browser extends DAV\Browser\Plugin { $photo_icon = ''; $preview_style = intval(get_config('system','thumbnail_security',0)); + $r = q("select content from attach where hash = '%s' and uid = %d limit 1", + dbesc($attachHash), + intval($owner) + ); + + if($r && file_exists(dbunescbin($r[0]['content']) . '.thumb')) { + $photo_icon = 'data:image/jpeg;base64,' . base64_encode(file_get_contents(dbunescbin($r[0]['content']) . '.thumb')); +// logger('found thumb: ' . $photo_icon); + } + if(strpos($type,'image/') === 0 && $attachHash) { $r = q("select resource_id, imgscale from photo where resource_id = '%s' and imgscale in ( %d, %d ) order by imgscale asc limit 1", dbesc($attachHash), @@ -220,12 +230,11 @@ class Browser extends DAV\Browser\Plugin { if($type === 'image/svg+xml' && $preview_style > 0) { $photo_icon = $fullPath; } - } $g = [ 'resource_id' => $attachHash, 'thumbnail' => $photo_icon, 'security' => $preview_style ]; call_hooks('file_thumbnail', $g); - $photo_icon = $g['photo_icon']; + $photo_icon = $g['thumbnail']; $attachIcon = ""; // "<a href=\"attach/".$attachHash."\" title=\"".$displayName."\"><i class=\"fa fa-arrow-circle-o-down\"></i></a>"; diff --git a/Zotlabs/Storage/Directory.php b/Zotlabs/Storage/Directory.php index 27df3569f..45df9ddd5 100644 --- a/Zotlabs/Storage/Directory.php +++ b/Zotlabs/Storage/Directory.php @@ -362,6 +362,8 @@ class Directory extends DAV\Node implements DAV\ICollection, DAV\IQuota { $args = array( 'resource_id' => $hash, 'album' => $album, 'os_syspath' => $f, 'os_path' => $xpath['os_path'], 'display_path' => $xpath['path'], 'filename' => $name, 'getimagesize' => $gis, 'directory' => $direct); $p = photo_upload($c[0], \App::get_observer(), $args); } + + \Zotlabs\Daemon\Master::Summon([ 'Thumbnail' , $this->folder_hash ]); $sync = attach_export_data($c[0], $hash); diff --git a/Zotlabs/Storage/File.php b/Zotlabs/Storage/File.php index 8bf9997ed..37376c177 100644 --- a/Zotlabs/Storage/File.php +++ b/Zotlabs/Storage/File.php @@ -244,6 +244,9 @@ class File extends DAV\Node implements DAV\IFile { } } + \Zotlabs\Daemon\Master::Summon([ 'Thumbnail' , $this->data['hash'] ]); + + $sync = attach_export_data($c[0],$this->data['hash']); if($sync) diff --git a/include/attach.php b/include/attach.php index 0f07fe035..0f31ed012 100644 --- a/include/attach.php +++ b/include/attach.php @@ -951,6 +951,9 @@ function attach_store($channel, $observer_hash, $options = '', $arr = null) { call_hooks('photo_upload_end', $ret); } + \Zotlabs\Daemon\Master::Summon([ 'Thumbnail' , $hash ]); + + if($dosync) { $sync = attach_export_data($channel,$hash); diff --git a/include/photo/photo_driver.php b/include/photo/photo_driver.php index 21431e96f..f75ff2386 100644 --- a/include/photo/photo_driver.php +++ b/include/photo/photo_driver.php @@ -241,69 +241,84 @@ abstract class photo_driver { } + /** + * @brief reads exif data from filename + */ + public function exif($filename) { - public function orient($filename) { - /** - * This function is a bit unusual, because it is operating on a file, but you must - * first create an image from that file to initialise the type and check validity - * of the image. - */ - - if(! $this->is_valid()) + if((! function_exists('exif_read_data')) + || (! in_array($this->getType(), [ 'image/jpeg' , 'image/tiff'] ))) { return false; + } - if((! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg')) - return false; - - $exif = @exif_read_data($filename,null,true); - - if($exif) { - $ort = $exif['IFD0']['Orientation']; - - switch($ort) - { - case 1: // nothing - break; + /* + * PHP 7.2 allows you to use a stream resource, which should reduce/avoid + * memory exhaustion on large images. + */ - case 2: // horizontal flip - $this->flip(); - break; + if(version_compare(PHP_VERSION,'7.2.0') >= 0) { + $f = @fopen($filename,'rb'); + } + else { + $f = $filename; + } - case 3: // 180 rotate left - $this->rotate(180); - break; + if($f) { + return @exif_read_data($f); + } - case 4: // vertical flip - $this->flip(false, true); - break; + return false; + } - case 5: // vertical flip + 90 rotate right - $this->flip(false, true); - $this->rotate(-90); - break; + /** + * @brief orients current image based on exif orientation information + */ - case 6: // 90 rotate right - $this->rotate(-90); - break; + public function orient($exif) { - case 7: // horizontal flip + 90 rotate right - $this->flip(); - $this->rotate(-90); - break; + if(! ($this->is_valid() && $exif)) { + return false; + } - case 8: // 90 rotate left - $this->rotate(90); - break; - } + $ort = $exif['IFD0']['Orientation']; - return $exif; + if(! $ort) { + return false; + } + switch($ort) { + case 1: // nothing + break; + case 2: // horizontal flip + $this->flip(); + break; + case 3: // 180 rotate left + $this->rotate(180); + break; + case 4: // vertical flip + $this->flip(false, true); + break; + case 5: // vertical flip + 90 rotate right + $this->flip(false, true); + $this->rotate(-90); + break; + case 6: // 90 rotate right + $this->rotate(-90); + break; + case 7: // horizontal flip + 90 rotate right + $this->flip(); + $this->rotate(-90); + break; + case 8: // 90 rotate left + $this->rotate(90); + break; + default: + break; } - - return false; + return true; } diff --git a/include/photos.php b/include/photos.php index 41a1d18cb..b1391f284 100644 --- a/include/photos.php +++ b/include/photos.php @@ -203,7 +203,13 @@ function photo_upload($channel, $observer, $args) { return $ret; } - $exif = $ph->orient(($args['os_syspath']) ? $args['os_syspath'] : $src); + // obtain exif data from the source file if present + + $exif = $ph->exif(($args['os_syspath']) ? $args['os_syspath'] : $src); + + if($exif) { + $ph->orient($exif); + } @unlink($src); |