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-rw-r--r--lib/resize.php522
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diff --git a/lib/resize.php b/lib/resize.php
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--- a/lib/resize.php
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@@ -1,522 +0,0 @@
-<?php
-/**
- * Elgg tidypics library of resizing functions
- *
- * @package TidypicsImageResize
- */
-
-
-/**
- * Create thumbnails using PHP GD Library
- *
- * @param ElggFile holds the image that was uploaded
- * @param string folder to store thumbnail in
- * @param string name of the thumbnail
- * @return bool TRUE on success
- */
-function tp_create_gd_thumbnails($file, $prefix, $filestorename) {
- global $CONFIG;
-
- $image_sizes = elgg_get_plugin_setting('image_sizes', 'lightpics');
- if (!$image_sizes) {
- // move this out of library
- register_error(elgg_echo('tidypics:nosettings'));
- forward(REFERER);
- return FALSE;
- }
- $image_sizes = unserialize($image_sizes);
-
- $thumb = new ElggFile();
- $thumb->owner_guid = $file->owner_guid;
- $thumb->container_guid = $file->container_guid;
-
- // tiny thumbail
- $thumb->setFilename($prefix."thumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_gd_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['tiny_image_width'],
- $image_sizes['tiny_image_height'],
- TRUE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->thumbnail = $prefix."thumb".$filestorename;
-
- // album thumbnail
- global $CONFIG;
- $CONFIG->debug = 'WARNING';
- $thumb->setFilename($prefix."smallthumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_gd_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['small_image_width'],
- $image_sizes['small_image_height'],
- TRUE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->smallthumb = $prefix."smallthumb".$filestorename;
- unset($CONFIG->debug);
-
- // main image
- $thumb->setFilename($prefix."largethumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_gd_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['large_image_width'],
- $image_sizes['large_image_height'],
- FALSE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->largethumb = $prefix."largethumb".$filestorename;
-
-
- unset($thumb);
-
- return TRUE;
-}
-
-/**
- * Writes resized version of an already uploaded image - original from Elgg filestore.php
- * Saves it in the same format as uploaded
- *
- * @param string $input_name The name of the file on the disk
- * @param string $output_name The name of the file to be written
- * @param int $maxwidth The maximum width of the resized image
- * @param int $maxheight The maximum height of the resized image
- * @param TRUE|FALSE $square If set to TRUE, will take the smallest of maxwidth and maxheight and use it to set the dimensions on all size; the image will be cropped.
- * @return bool TRUE on success or FALSE on failure
- */
-function tp_gd_resize($input_name, $output_name, $maxwidth, $maxheight, $square = FALSE, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0) {
-
- // Get the size information from the image
- $imgsizearray = getimagesize($input_name);
- if (!$imgsizearray) {
- return FALSE;
- }
-
- // Get width and height of image
- $width = $imgsizearray[0];
- $height = $imgsizearray[1];
-
- $params = tp_im_calc_resize_params($width, $height, $maxwidth, $maxheight, $square, $x1, $y1, $x2, $y2);
- if (!$params) {
- return FALSE;
- }
-
- $new_width = $params['new_width'];
- $new_height = $params['new_height'];
- $region_width = $params['region_width'];
- $region_height = $params['region_height'];
- $widthoffset = $params['width_offset'];
- $heightoffset = $params['height_offset'];
-
- $accepted_formats = array(
- 'image/jpeg' => 'jpeg',
- 'image/pjpeg' => 'jpeg',
- 'image/png' => 'png',
- 'image/x-png' => 'png',
- 'image/gif' => 'gif'
- );
-
- // make sure the function is available
- $function = "imagecreatefrom" . $accepted_formats[$imgsizearray['mime']];
- if (!is_callable($function)) {
- return FALSE;
- }
-
- // load old image
- $oldimage = $function($input_name);
- if (!$oldimage) {
- return FALSE;
- }
-
- // allocate the new image
- $newimage = imagecreatetruecolor($new_width, $new_height);
- if (!$newimage) {
- return FALSE;
- }
-
- $rtn_code = imagecopyresampled( $newimage,
- $oldimage,
- 0,
- 0,
- $widthoffset,
- $heightoffset,
- $new_width,
- $new_height,
- $region_width,
- $region_height);
- if (!$rtn_code) {
- return $rtn_code;
- }
-
- switch ($imgsizearray['mime']) {
- case 'image/jpeg':
- case 'image/pjpeg':
- $rtn_code = imagejpeg($newimage, $output_name, 85);
- break;
- case 'image/png':
- case 'image/x-png':
- $rtn_code = imagepng($newimage, $output_name);
- break;
- case 'image/gif':
- $rtn_code = imagegif($newimage, $output_name);
- break;
- }
-
- imagedestroy($newimage);
- imagedestroy($oldimage);
-
- return $rtn_code;
-}
-
-
-/**
- * Create thumbnails using PHP imagick extension
- *
- * @param ElggFile holds the image that was uploaded
- * @param string folder to store thumbnail in
- * @param string name of the thumbnail
- * @return bool TRUE on success
- */
-function tp_create_imagick_thumbnails($file, $prefix, $filestorename) {
- $image_sizes = elgg_get_plugin_setting('image_sizes', 'tidypics');
- if (!$image_sizes) {
- register_error(elgg_echo('tidypics:nosettings'));
- return FALSE;
- }
- $image_sizes = unserialize($image_sizes);
-
- $thumb = new ElggFile();
- $thumb->owner_guid = $file->owner_guid;
- $thumb->container_guid = $file->container_guid;
-
- // tiny thumbnail
- $thumb->setFilename($prefix."thumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_imagick_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['tiny_image_width'],
- $image_sizes['tiny_image_height'],
- TRUE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->thumbnail = $prefix."thumb".$filestorename;
-
- // album thumbnail
- $thumb->setFilename($prefix."smallthumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_imagick_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['small_image_width'],
- $image_sizes['small_image_height'],
- TRUE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->smallthumb = $prefix."smallthumb".$filestorename;
-
- // main image
- $thumb->setFilename($prefix."largethumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_imagick_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['large_image_width'],
- $image_sizes['large_image_height'],
- FALSE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->largethumb = $prefix."largethumb".$filestorename;
-
- unset($thumb);
-
- return TRUE;
-}
-
-
-/**
- * Resize using PHP imagick extension
- *
- * Writes resized version of an already uploaded image
- *
- *
- * @param string $input_name The name of the file input field on the submission form
- * @param string $output_name The name of the file to be written
- * @param int $maxwidth The maximum width of the resized image
- * @param int $maxheight The maximum height of the resized image
- * @param TRUE|FALSE $square If set to TRUE, will take the smallest of maxwidth and maxheight and use it to set the dimensions on all size; the image will be cropped.
- * @return bool TRUE on success
- */
-function tp_imagick_resize($input_name, $output_name, $maxwidth, $maxheight, $square = FALSE, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0) {
-
- // Get the size information from the image
- $imgsizearray = getimagesize($input_name);
- if (!$imgsizearray) {
- return FALSE;
- }
-
- // Get width and height
- $width = $imgsizearray[0];
- $height = $imgsizearray[1];
-
- $params = tp_im_calc_resize_params($width, $height, $maxwidth, $maxheight, $square, $x1, $y1, $x2, $y2);
- if (!$params) {
- return FALSE;
- }
-
- $new_width = $params['new_width'];
- $new_height = $params['new_height'];
- $region_width = $params['region_width'];
- $region_height = $params['region_height'];
- $widthoffset = $params['width_offset'];
- $heightoffset = $params['height_offset'];
-
- try {
- $img = new Imagick($input_name);
- } catch (ImagickException $e) {
- return FALSE;
- }
-
- $img->cropImage($region_width, $region_height, $widthoffset, $heightoffset);
-
- // use the default IM filter (windowing filter), I think 1 means default blurring or number of lobes
- $img->resizeImage($new_width, $new_height, imagick::FILTER_LANCZOS, 1);
- $img->setImagePage($new_width, $new_height, 0, 0);
-
- if ($img->writeImage($output_name) != TRUE) {
- $img->destroy();
- return FALSE;
- }
-
- $img->destroy();
-
- return TRUE;
-}
-
-/**
- * Create thumbnails using ImageMagick executables
- *
- * @param ElggFile holds the image that was uploaded
- * @param string folder to store thumbnail in
- * @param string name of the thumbnail
- * @return bool TRUE on success
- */
-function tp_create_im_cmdline_thumbnails($file, $prefix, $filestorename) {
- $image_sizes = elgg_get_plugin_setting('image_sizes', 'tidypics');
- if (!$image_sizes) {
- register_error(elgg_echo('tidypics:nosettings'));
- return FALSE;
- }
- $image_sizes = unserialize($image_sizes);
-
- $thumb = new ElggFile();
- $thumb->owner_guid = $file->owner_guid;
- $thumb->container_guid = $file->container_guid;
-
- // tiny thumbnail
- $thumb->setFilename($prefix."thumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_im_cmdline_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['tiny_image_width'],
- $image_sizes['tiny_image_height'],
- TRUE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->thumbnail = $prefix."thumb".$filestorename;
-
-
- // album thumbnail
- $thumb->setFilename($prefix."smallthumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_im_cmdline_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['small_image_width'],
- $image_sizes['small_image_height'],
- TRUE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->smallthumb = $prefix."smallthumb".$filestorename;
-
- // main image
- $thumb->setFilename($prefix."largethumb".$filestorename);
- $thumbname = $thumb->getFilenameOnFilestore();
- $rtn_code = tp_im_cmdline_resize( $file->getFilenameOnFilestore(),
- $thumbname,
- $image_sizes['large_image_width'],
- $image_sizes['large_image_height'],
- FALSE);
- if (!$rtn_code) {
- return FALSE;
- }
- $file->largethumb = $prefix."largethumb".$filestorename;
-
- unset($thumb);
-
- 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 $output_name The name of the file to be written
- * @param int $maxwidth The maximum width of the resized image
- * @param int $maxheight The maximum height of the resized image
- * @param TRUE|FALSE $square If set to TRUE, will take the smallest of maxwidth and maxheight and use it to set the dimensions on all size; the image will be cropped.
- * @return bool
- */
-function tp_im_cmdline_resize($input_name, $output_name, $maxwidth, $maxheight, $square = FALSE, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0) {
-
-
- // Get the size information from the image
- $imgsizearray = getimagesize($input_name);
- if (!$imgsizearray) {
- return FALSE;
- }
-
- // Get width and height
- $orig_width = $imgsizearray[0];
- $orig_height = $imgsizearray[1];
-
- $params = tp_im_calc_resize_params($orig_width, $orig_height, $maxwidth, $maxheight, $square, $x1, $y1, $x2, $y2);
- if (!$params) {
- return FALSE;
- }
-
- $newwidth = $params['new_width'];
- $newheight = $params['new_height'];
-
- $accepted_formats = array(
- 'image/jpeg' => 'jpeg',
- 'image/pjpeg' => 'jpeg',
- 'image/png' => 'png',
- 'image/x-png' => 'png',
- 'image/gif' => 'gif'
- );
-
- // If it's a file we can manipulate ...
- if (!array_key_exists($imgsizearray['mime'],$accepted_formats)) {
- return FALSE;
- }
-
- $im_path = elgg_get_plugin_setting('im_path', 'tidypics');
- if (!$im_path) {
- $im_path = "/usr/bin/";
- }
- if (substr($im_path, strlen($im_path)-1, 1) != "/") {
- $im_path .= "/";
- }
-
- // see imagemagick web site for explanation of these parameters
- // the ^ in the resize means those are minimum width and height values
- $command = $im_path . "convert \"$input_name\" -resize ".$newwidth."x".$newheight."^ -gravity center -extent ".$newwidth."x".$newheight." \"$output_name\"";
- $output = array();
- $ret = 0;
- exec($command, $output, $ret);
- if ($ret == 127) {
- trigger_error('Tidypics warning: Image Magick convert is not found', E_USER_WARNING);
- return FALSE;
- } else if ($ret > 0) {
- trigger_error('Tidypics warning: Image Magick convert failed', E_USER_WARNING);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/**
- * Calculate the resizing/cropping parameters
- *
- * @param int $orig_width
- * @param int $orig_height
- * @param int $new_width
- * @param int $new_height
- * @param bool $square
- * @param int $x1
- * @param int $y1
- * @param int $x2
- * @param int $y2
- * @return array|FALSE
- */
-function tp_im_calc_resize_params($orig_width, $orig_height, $new_width, $new_height, $square = FALSE, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0) {
- // crop image first?
- $crop = TRUE;
- if ($x1 == 0 && $y1 == 0 && $x2 == 0 && $y2 == 0) {
- $crop = FALSE;
- }
-
- // how large a section of the image has been selected
- if ($crop) {
- $region_width = $x2 - $x1;
- $region_height = $y2 - $y1;
- } else {
- // everything selected if no crop parameters
- $region_width = $orig_width;
- $region_height = $orig_height;
- }
-
- // determine cropping offsets
- if ($square) {
- // asking for a square image back
-
- // detect case where someone is passing crop parameters that are not for a square
- if ($crop == TRUE && $region_width != $region_height) {
- return FALSE;
- }
-
- // size of the new square image
- $new_width = $new_height = min($new_width, $new_height);
-
- // find largest square that fits within the selected region
- $region_width = $region_height = min($region_width, $region_height);
-
- // set offsets for crop
- if ($crop) {
- $widthoffset = $x1;
- $heightoffset = $y1;
- $orig_width = $x2 - $x1;
- $orig_height = $orig_width;
- } else {
- // place square region in the center
- $widthoffset = floor(($orig_width - $region_width) / 2);
- $heightoffset = floor(($orig_height - $region_height) / 2);
- }
- } else {
- // non-square new image
-
- // maintain aspect ratio of original image/crop
- if (($region_height / (float)$new_height) > ($region_width / (float)$new_width)) {
- $new_width = floor($new_height * $region_width / (float)$region_height);
- } else {
- $new_height = floor($new_width * $region_height / (float)$region_width);
- }
-
- // by default, use entire image
- $widthoffset = 0;
- $heightoffset = 0;
-
- if ($crop) {
- $widthoffset = $x1;
- $heightoffset = $y1;
- }
- }
-
- $resize_params = array();
- $resize_params['new_width'] = $new_width;
- $resize_params['new_height'] = $new_height;
- $resize_params['region_width'] = $region_width;
- $resize_params['region_height'] = $region_height;
- $resize_params['width_offset'] = $widthoffset;
- $resize_params['height_offset'] = $heightoffset;
-
- return $resize_params;
-} \ No newline at end of file
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