diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/resize.php | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/lib/resize.php b/lib/resize.php index daf18efdf..bf63db82d 100644 --- a/lib/resize.php +++ b/lib/resize.php @@ -4,6 +4,7 @@ *
*/
+
/**
* Create thumbnails using PHP GD Library
*
@@ -82,5 +83,170 @@ return true;
}
+
+ /**
+ * Create thumbnails using ImageMagick executables
+ *
+ * @param ElggFile
+ * @param string
+ * @param string
+ * @return bool
+ */
+ function tp_create_imagick_cmdline_thumbnails($file, $prefix, $filestorename)
+ {
+ global $CONFIG;
+
+ $mime = $file->getMimeType();
+
+ $thumblarge = tp_imagick_resize($file->getFilenameOnFilestore(),
+ "largethumb",
+ $CONFIG->tidypics->image_large_width,
+ $CONFIG->tidypics->image_large_height,
+ false);
+
+ $thumbsmall = tp_imagick_resize($file->getFilenameOnFilestore(),
+ "smallthumb",
+ $CONFIG->tidypics->image_small_width,
+ $CONFIG->tidypics->image_small_height,
+ true);
+
+ $thumbnail = tp_imagick_resize($file->getFilenameOnFilestore(),
+ "thumb",
+ $CONFIG->tidypics->image_thumb_width,
+ $CONFIG->tidypics->image_thumb_height,
+ true);
+
+ if ($thumbnail) {
+ $thumb = new ElggFile();
+ $thumb->setMimeType($mime);
+ $thumb->setFilename($prefix."thumb".$filestorename);
+ $file->thumbnail = $prefix."thumb".$filestorename;
+ }
+
+ if ($thumbsmall) {
+ $thumb = new ElggFile();
+ $thumb->setMimeType($mime);
+ $thumb->setFilename($prefix."smallthumb".$filestorename);
+ $file->smallthumb = $prefix."smallthumb".$filestorename;
+ }
+
+ if ($thumblarge) {
+ $thumb = new ElggFile();
+ $thumb->setMimeType($mime);
+ $thumb->setFilename($prefix."largethumb".$filestorename);
+ $file->largethumb = $prefix."largethumb".$filestorename;
+ }
+
+ return true;
+ }
+
+ /*
+ * Gets the jpeg contents of the resized version of an already uploaded image
+ * (Returns false if the uploaded file was not an image)
+ *
+ * @param string $input_name The name of the file input field on the submission form
+ * @param string $prefix The text to prefix to the existing filename
+ * @param int $maxwidth The maximum width of the resized image
+ * @param int $maxheight The maximum height of the resized image
+ * @param true|false $square If set to true, will take the smallest of maxwidth and maxheight and use it to set the dimensions on all size; the image will be cropped.
+ * @return false|mixed The contents of the resized image, or false on failure
+ */
+ function tp_imagick_resize($input_name, $prefix, $maxwidth, $maxheight, $square = false, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0) {
+
+ $params = array(
+ "input_name"=>$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'],$accepted_formats)) {
+
+ // Crop the image if we need a square
+ if ($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 - $y1);
+ }
+ }
+
+ // Resize and return the image contents!
+ if ($square) {
+ $newheight = $maxheight;
+ $newwidth = $maxwidth;
+ }
+ $im_path = get_plugin_setting('convert_command', 'tidypics');
+ if(!$im_path) {
+ $im_path = "/usr/bin/";
+ }
+ if(substr($im_path, strlen($im_path)-1, 1) != "/") $im_path .= "/";
+ $command = $im_path . "convert \"$input_name\" -resize ".$newwidth."x".$newheight."^ -gravity center -extent ".$newwidth."x".$newheight." \"$output_name\"";
+ system($command);
+ return $output_name;
+
+ }
+ }
+
+ return false;
+ }
?>
\ No newline at end of file |