From d9964ef61832a507ed78a0e4bf4208700cb16f9f Mon Sep 17 00:00:00 2001 From: Greg Froese Date: Mon, 11 May 2009 05:44:02 +0000 Subject: imagemagick support for creating thumbnails and watermarking --- actions/resize.php | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++ actions/upload.php | 65 ++++++++++++++++++++++++++++++-- 2 files changed, 170 insertions(+), 4 deletions(-) create mode 100644 actions/resize.php diff --git a/actions/resize.php b/actions/resize.php new file mode 100644 index 000000000..8a8a5bb34 --- /dev/null +++ b/actions/resize.php @@ -0,0 +1,109 @@ +$input_name, + "output_name"=>$output_name, + "maxwidth"=>$maxwidth, + "maxheight"=>$maxheight, + "square"=>$square, + "x1"=>$x1, + "y1"=>$y1, + "x2"=>$x2, + "y2"=>$y2); + + $path = pathinfo($input_name); + $output_name = $path["dirname"] . "/$prefix" . $path["filename"] . "." . $path["extension"]; + + // Get the size information from the image + if ($imgsizearray = getimagesize($input_name)) { + + // Get width and height + $width = $imgsizearray[0]; + $height = $imgsizearray[1]; + $newwidth = $width; + $newheight = $height; + + // Square the image dimensions if we're wanting a square image + if ($square) { + if ($width < $height) { + $height = $width; + } else { + $width = $height; + } + + $newwidth = $width; + $newheight = $height; + + } + + if ($width > $maxwidth) { + $newheight = floor($height * ($maxwidth / $width)); + $newwidth = $maxwidth; + } + if ($newheight > $maxheight) { + $newwidth = floor($newwidth * ($maxheight / $newheight)); + $newheight = $maxheight; + } + + $accepted_formats = array( + 'image/jpeg' => 'jpeg', + 'image/png' => 'png', + 'image/gif' => 'gif' + ); + // If it's a file we can manipulate ... + if (array_key_exists($imgsizearray['mime'],$accepted_formats)) { + +// $function = "imagecreatefrom" . $accepted_formats[$imgsizearray['mime']]; +// $newimage = imagecreatetruecolor($newwidth,$newheight); + +// if (is_callable($function) && $oldimage = $function($input_name)) { + // Crop the image if we need a square + if ($square) { + if ($x1 == 0 && $y1 == 0 && $x2 == 0 && $y2 ==0) { + $widthoffset = floor(($imgsizearray[0] - $width) / 2); + $heightoffset = floor(($imgsizearray[1] - $height) / 2); + } else { + $widthoffset = $x1; + $heightoffset = $y1; + $width = ($x2 - $x1); + $height = $width; + } + } else { + if ($x1 == 0 && $y1 == 0 && $x2 == 0 && $y2 ==0) { + $widthoffset = 0; + $heightoffset = 0; + } else { + $widthoffset = $x1; + $heightoffset = $y1; + $width = ($x2 - $x1); + $height = ($y2 - $y1); + } + }//else { + // Resize and return the image contents! + if ($square) { + $newheight = $maxheight; + $newwidth = $maxwidth; + } + $command = "convert $input_name -resize ".$newwidth."x".$newheight."^ -gravity center -extent ".$newwidth."x".$newheight." $output_name"; + system($command); + return $output_name; + + } + } + + return false; + } + +?> diff --git a/actions/upload.php b/actions/upload.php index ba9d005c8..89e66ca31 100644 --- a/actions/upload.php +++ b/actions/upload.php @@ -6,6 +6,7 @@ */ global $CONFIG; + require_once(dirname(__FILE__)."/resize.php"); // Get common variables $access_id = (int) get_input("access_id"); @@ -61,18 +62,26 @@ //TODO: This code needs a complete rewrite - hardcoded to ~2.5 MB if (filesize($file->getFilenameOnFilestore())<= 2500000) { try { - $thumblarge = get_resized_image_from_existing_file($file->getFilenameOnFilestore(),600,600, false); + //$thumblarge = get_resized_image_from_existing_file($file->getFilenameOnFilestore(),600,600, false); } catch (Exception $e) { $thumblarge = false; } try { - $thumbsmall = get_resized_image_from_existing_file($file->getFilenameOnFilestore(),153,153, true); + //$thumbsmall = get_resized_image_from_existing_file($file->getFilenameOnFilestore(),153,153, true); } catch (Exception $e) { $thumbsmall = false; } try { - $thumbnail = get_resized_image_from_existing_file($file->getFilenameOnFilestore(),60,60, true); + //$thumbnail = get_resized_image_from_existing_file($file->getFilenameOnFilestore(),60,60, true); } catch (Exception $e) { $thumbnail = false; } } + // gfroese: i'm just faking this out so the proper records are created for the thumbnails + // I don't understand what $thumb->write does but it seems to actually create the file so + // I had to move the imagemagick call beneath this. I'm sure someone else can make this + // much better. + $thumbnail = true; + $thumblarge = true; + $thumbsmall = true; + if ($thumbnail) { $thumb = new ElggFile(); $thumb->setMimeType($mime); @@ -111,6 +120,54 @@ } $thumb->close(); } + + //gfroese: build the actual thumbnails now + $album = get_entity($container_guid); + $user = get_user_entity_as_row($album->owner_guid); + $username = $user->username; + + try { + $thumblarge = tp_resize($file->getFilenameOnFilestore(), "largethumb", 600, 600, false); + } catch (Exception $e) { $thumblarge = false; } + try { + $thumbsmall = tp_resize($file->getFilenameOnFilestore(), "smallthumb", 153, 153, false); + } catch (Exception $e) { $thumbsmall = false; } + try { + $thumbnail = tp_resize($file->getFilenameOnFilestore(), "thumb", 60, 60, true); + } catch (Exception $e) { $thumbnail = false; } + + + $watermark = true; //gfroese - this should come from the plugin settings + $watermark_text = $username . " - shutterpeg.com"; + if( $watermark ) { //get this value from the plugin settings + if( $thumblarge ) { + $ext = ".png"; + $user_stamp_base = dirname(__FILE__) . "/" . $username . "_stamp"; + if( !file_exists( $user_stamp_base . $ext )) { //create the watermark if it doesn't exist + $commands = array(); + $commands[] = 'convert -size 300x50 xc:grey30 -pointsize 20 -gravity center -draw "fill grey70 text 0,0 \''. $watermark_text . '\'" '. $user_stamp_base . '_fgnd' . $ext; + $commands[] = 'convert -size 300x50 xc:black -pointsize 20 -gravity center -draw "fill white text 1,1 \''. $watermark_text . '\' text 0,0 \''. $watermark_text . '\' fill black text -1,-1 \''. $watermark_text . '\'" +matte ' . $user_stamp_base . '_mask' . $ext; + $commands[] = 'composite -compose CopyOpacity ' . $user_stamp_base . "_mask" . $ext . ' ' . $user_stamp_base . '_fgnd' . $ext . ' ' . $user_stamp_base . $ext; + $commands[] = 'mogrify -trim +repage ' . $user_stamp_base . $ext; + $commands[] = 'rm ' . $user_stamp_base . '_mask' . $ext; + $commands[] = 'rm ' . $user_stamp_fgnd . '_mask' . $ext; + + foreach( $commands as $command ) { + file_put_contents("/home/gfroese/debug.txt", $command . "\n", FILE_APPEND); + exec( $command ); + } + } + //apply the watermark + $commands = array(); + $commands[] = 'composite -gravity south -geometry +0+10 ' . $user_stamp_base . $ext . ' ' . $thumblarge . ' ' . $thumblarge . '_watermarked'; + $commands[] = "mv $thumblarge" . "_watermarked $thumblarge"; + foreach( $commands as $command ) { + file_put_contents("/home/gfroese/debug.txt", $command . "\n", FILE_APPEND); + exec( $command ); + } + } + } + } else { //file exceeds file size limit, so delete it $file->delete(); array_push($not_uploaded, $name); @@ -149,4 +206,4 @@ forward(get_input('forward_url', $_SERVER['HTTP_REFERER'])); //upload failed, so forward to previous page } -?> \ No newline at end of file +?> -- cgit v1.2.3