feature:2284

Create a class to manipulate images.

git-svn-id: http://piwigo.org/svn/trunk@10641 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
patdenice
2011-04-27 17:03:25 +00:00
parent c3a0ff6b88
commit d95ddb7c61
7 changed files with 668 additions and 348 deletions

View File

@@ -22,6 +22,7 @@
// +-----------------------------------------------------------------------+
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php');
// add default event handler for image and thumbnail resize
add_event_handler('upload_image_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 7);
@@ -362,18 +363,18 @@ SELECT
rename($file_path, $high_path);
$high_infos = pwg_image_infos($high_path);
trigger_event(
'upload_image_resize',
false,
$high_path,
$img = new pwg_image($high_path);
$img->pwg_resize(
$file_path,
$conf['upload_form_websize_maxwidth'],
$conf['upload_form_websize_maxheight'],
$conf['upload_form_websize_quality'],
$conf['upload_form_automatic_rotation'],
false
);
if (is_imagick())
if ($img->library != 'gd')
{
if ($conf['upload_form_hd_keep'])
{
@@ -383,13 +384,12 @@ SELECT
if ($need_resize)
{
pwg_image_resize(
false,
$high_path,
$img->pwg_resize(
$high_path,
$conf['upload_form_hd_maxwidth'],
$conf['upload_form_hd_maxheight'],
$conf['upload_form_hd_quality'],
$conf['upload_form_automatic_rotation'],
false
);
$high_infos = pwg_image_infos($high_path);
@@ -402,6 +402,7 @@ SELECT
$high_infos = null;
}
}
$img->destroy();
}
$file_infos = pwg_image_infos($file_path);
@@ -409,19 +410,17 @@ SELECT
$thumb_path = file_path_for_type($file_path, 'thumb');
$thumb_dir = dirname($thumb_path);
prepare_directory($thumb_dir);
trigger_event(
'upload_thumbnail_resize',
false,
$file_path,
$img = new pwg_image($file_path);
$img->pwg_resize(
$thumb_path,
$conf['upload_form_thumb_maxwidth'],
$conf['upload_form_thumb_maxheight'],
$conf['upload_form_thumb_quality'],
true,
$conf['upload_form_thumb_crop'],
$conf['upload_form_thumb_follow_orientation']
$conf['upload_form_automatic_rotation'],
true
);
$img->destroy();
$thumb_infos = pwg_image_infos($thumb_path);
@@ -567,307 +566,6 @@ function need_resize($image_filepath, $max_width, $max_height)
return false;
}
function get_resize_dimensions($width, $height, $max_width, $max_height, $rotation=null)
{
$rotate_for_dimensions = false;
if (isset($rotation) and in_array(abs($rotation), array(90, 270)))
{
$rotate_for_dimensions = true;
}
if ($rotate_for_dimensions)
{
list($width, $height) = array($height, $width);
}
$ratio_width = $width / $max_width;
$ratio_height = $height / $max_height;
$destination_width = $width;
$destination_height = $height;
// maximal size exceeded ?
if ($ratio_width > 1 or $ratio_height > 1)
{
if ($ratio_width < $ratio_height)
{
$destination_width = round($width / $ratio_height);
$destination_height = $max_height;
}
else
{
$destination_width = $max_width;
$destination_height = round($height / $ratio_width);
}
}
if ($rotate_for_dimensions)
{
list($destination_width, $destination_height) = array($destination_height, $destination_width);
}
return array(
'width' => $destination_width,
'height'=> $destination_height,
);
}
function pwg_image_resize($result, $source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata=false, $crop=false, $follow_orientation=true)
{
if ($result !== false)
{
//someone hooked us - so we skip
return $result;
}
$extension = strtolower(get_extension($source_filepath));
if (is_imagick() and $extension != 'gif')
{
return pwg_image_resize_im($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata, $crop, $follow_orientation);
}
else
{
return pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $crop, $follow_orientation);
}
}
function pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $crop=false, $follow_orientation=true)
{
if (!function_exists('gd_info'))
{
return false;
}
$starttime = get_moment();
$gd_info = gd_info();
// extension of the picture filename
$extension = strtolower(get_extension($source_filepath));
$source_image = null;
if (in_array($extension, array('jpg', 'jpeg')))
{
$source_image = imagecreatefromjpeg($source_filepath);
}
else if ($extension == 'png')
{
$source_image = imagecreatefrompng($source_filepath);
}
elseif ($extension == 'gif' and $gd_info['GIF Read Support'] and $gd_info['GIF Create Support'])
{
$source_image = imagecreatefromgif($source_filepath);
}
else
{
die('[GD] unsupported file extension');
}
$rotation = null;
if (function_exists('imagerotate'))
{
$rotation = get_rotation_angle($source_filepath);
}
// width/height
$source_width = imagesx($source_image);
$source_height = imagesy($source_image);
// Crop
if ($crop)
{
$coord = get_crop_coord($source_width, $source_height, $max_width, $max_height, $follow_orientation);
}
$resize_dimensions = get_resize_dimensions($source_width, $source_height, $max_width, $max_height, $rotation);
// testing on height is useless in theory: if width is unchanged, there
// should be no resize, because width/height ratio is not modified.
if ($resize_dimensions['width'] == $source_width and $resize_dimensions['height'] == $source_height)
{
// the image doesn't need any resize! We just copy it to the destination
copy($source_filepath, $destination_filepath);
return get_resize_result($source_filepath, $destination_filepath, $resize_dimensions['width'], $resize_dimensions['height'], $starttime, 'GD');
}
$destination_image = imagecreatetruecolor($resize_dimensions['width'], $resize_dimensions['height']);
imagecopyresampled(
$destination_image,
$source_image,
0,
0,
$crop ? $coord['x'] : 0,
$crop ? $coord['y'] : 0,
$resize_dimensions['width'],
$resize_dimensions['height'],
$source_width,
$source_height
);
// rotation occurs only on resized photo to avoid useless memory use
if (isset($rotation))
{
$destination_image = imagerotate($destination_image, $rotation, 0);
}
$extension = strtolower(get_extension($destination_filepath));
if ($extension == 'png')
{
imagepng($destination_image, $destination_filepath);
}
elseif ($extension == 'gif')
{
imagegif($destination_image, $destination_filepath);
}
else
{
imagejpeg($destination_image, $destination_filepath, $quality);
}
// freeing memory ressources
imagedestroy($source_image);
imagedestroy($destination_image);
// everything should be OK if we are here!
return get_resize_result($source_filepath, $destination_filepath, $resize_dimensions['width'], $resize_dimensions['height'], $starttime, 'GD');
}
function pwg_image_resize_im($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata=false, $crop=false, $follow_orientation=true)
{
$starttime = get_moment();
// extension of the picture filename
$extension = strtolower(get_extension($source_filepath));
if (!in_array($extension, array('jpg', 'jpeg', 'png')))
{
die('[Imagick] unsupported file extension');
}
$image = new Imagick($source_filepath);
$rotation = get_rotation_angle($source_filepath);
// width/height
$source_width = $image->getImageWidth();
$source_height = $image->getImageHeight();
// Crop
if ($crop)
{
$coord = get_crop_coord($source_width, $source_height, $max_width, $max_height, $follow_orientation);
$image->cropImage($source_width, $source_height, $coord['x'], $coord['y']);
}
$resize_dimensions = get_resize_dimensions($source_width, $source_height, $max_width, $max_height, $rotation);
// testing on height is useless in theory: if width is unchanged, there
// should be no resize, because width/height ratio is not modified.
if ($resize_dimensions['width'] == $source_width and $resize_dimensions['height'] == $source_height)
{
// the image doesn't need any resize! We just copy it to the destination
copy($source_filepath, $destination_filepath);
get_resize_result($source_filepath, $destination_filepath, $resize_dimensions['width'], $resize_dimensions['height'], $starttime, 'ImageMagick');
}
$image->setImageCompressionQuality($quality);
$image->setInterlaceScheme(Imagick::INTERLACE_LINE);
if ($strip_metadata)
{
// we save a few kilobytes. For example a thumbnail with metadata
// weights 25KB, without metadata 7KB.
$image->stripImage();
}
$image->resizeImage($resize_dimensions['width'], $resize_dimensions['height'], Imagick::FILTER_LANCZOS, 0.9);
if (isset($rotation))
{
$image->rotateImage(new ImagickPixel(), -$rotation);
$image->setImageOrientation(Imagick::ORIENTATION_TOPLEFT);
}
$image->writeImage($destination_filepath);
$image->destroy();
// everything should be OK if we are here!
return get_resize_result($source_filepath, $destination_filepath, $resize_dimensions['width'], $resize_dimensions['height'], $starttime, 'ImageMagick');
}
function get_rotation_angle($source_filepath)
{
global $conf;
if (!$conf['upload_form_automatic_rotation'])
{
return null;
}
list($width, $height, $type) = getimagesize($source_filepath);
if (IMAGETYPE_JPEG != $type)
{
return null;
}
if (!function_exists('exif_read_data'))
{
return null;
}
$rotation = null;
$exif = exif_read_data($source_filepath);
if (isset($exif['Orientation']) and preg_match('/^\s*(\d)/', $exif['Orientation'], $matches))
{
$orientation = $matches[1];
if (in_array($orientation, array(3, 4)))
{
$rotation = 180;
}
elseif (in_array($orientation, array(5, 6)))
{
$rotation = 270;
}
elseif (in_array($orientation, array(7, 8)))
{
$rotation = 90;
}
}
return $rotation;
}
function get_crop_coord(&$source_width, &$source_height, &$max_width, &$max_height, $follow_orientation)
{
$x = 0;
$y = 0;
if ($source_width < $source_height and $follow_orientation)
{
list($width, $height) = array($max_height, $max_width);
$max_width = $width;
$max_height = $height;
}
$img_ratio = $source_width / $source_height;
$dest_ratio = $max_width / $max_height;
if($dest_ratio > $img_ratio)
{
$destHeight = round($source_width * $max_height / $max_width);
$y = round(($source_height - $destHeight) / 2 );
$source_height = $destHeight;
}
elseif ($dest_ratio < $img_ratio)
{
$destWidth = round($source_height * $max_width / $max_height);
$x = round(($source_width - $destWidth) / 2 );
$source_width = $destWidth;
}
return array('x' => $x, 'y' => $y);
}
function pwg_image_infos($path)
{
list($width, $height) = getimagesize($path);
@@ -963,16 +661,6 @@ function add_upload_error($upload_id, $error_message)
array_push($_SESSION['uploads_error'][$upload_id], $error_message);
}
function is_imagick()
{
if (class_exists('Imagick'))
{
return true;
}
return false;
}
function ready_for_upload_message()
{
global $conf;
@@ -1033,16 +721,4 @@ function file_path_for_type($file_path, $type='thumb')
return $file_path;
}
function get_resize_result($source_filepath, $destination_filepath, $width, $height, $time, $library)
{
return array(
'source' => $source_filepath,
'destination' => $destination_filepath,
'width' => $width,
'height' => $height,
'size' => floor(filesize($destination_filepath) / 1024).' KB',
'time' => number_format((get_moment() - $time) * 1000, 2, '.', ' ').' ms',
'library' => $library,
);
}
?>

View File

@@ -0,0 +1,627 @@
<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2011 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
// +-----------------------------------------------------------------------+
// | Image Interface |
// +-----------------------------------------------------------------------+
// Define all needed methods for image class
interface imageInterface
{
function get_width();
function get_height();
function set_compression_quality($quality);
function crop($width, $height, $x, $y);
function strip();
function rotate($rotation);
function resize($width, $height);
function write($destination_filepath);
}
// +-----------------------------------------------------------------------+
// | Main Image Class |
// +-----------------------------------------------------------------------+
class pwg_image
{
var $image;
var $library = '';
var $source_filepath = '';
function __construct($source_filepath, $library=null)
{
global $conf;
$this->source_filepath = $source_filepath;
trigger_action('load_image_library', array(&$this) );
if (is_object($this->image))
{
return; // A plugin may have load its own library
}
$extension = strtolower(get_extension($source_filepath));
if (!in_array($extension, array('jpg', 'jpeg', 'png', 'gif')))
{
die('[Image] unsupported file extension');
}
if (is_null($library))
{
$library = $conf['image_library'];
}
// Choose image library
switch (strtolower($library))
{
case 'auto':
case 'imagick':
if ($extension != 'gif' and self::is_imagick())
{
$this->library = 'imagick';
break;
}
case 'ext_imagick':
if ($extension != 'gif' and self::is_ext_imagick())
{
$this->library = 'ext_imagick';
break;
}
case 'gd':
if (self::is_gd())
{
$this->library = 'gd';
break;
}
default:
if ($library != 'auto')
{
// Requested library not available. Try another library
return self::__construct($source_filepath, 'auto');
}
die('No image library available on your server.');
}
$class = 'image_'.$this->library;
$this->image = new $class($source_filepath);
}
// Unknow methods will be redirected to image object
function __call($method, $arguments)
{
return call_user_func_array(array($this->image, $method), $arguments);
}
// Piwigo resize function
function pwg_resize($destination_filepath, $max_width, $max_height, $quality, $automatic_rotation=true, $strip_metadata=false, $crop=false, $follow_orientation=true)
{
$starttime = get_moment();
// width/height
$source_width = $this->image->get_width();
$source_height = $this->image->get_height();
// Crop image
if ($crop)
{
$x = 0;
$y = 0;
if ($source_width < $source_height and $follow_orientation)
{
list($max_width, $max_height) = array($max_height, $max_width);
}
$img_ratio = $source_width / $source_height;
$dest_ratio = $max_width / $max_height;
if($dest_ratio > $img_ratio)
{
$destHeight = round($source_width * $max_height / $max_width);
$y = round(($source_height - $destHeight) / 2 );
$source_height = $destHeight;
}
elseif ($dest_ratio < $img_ratio)
{
$destWidth = round($source_height * $max_width / $max_height);
$x = round(($source_width - $destWidth) / 2 );
$source_width = $destWidth;
}
$this->image->crop($source_width, $source_height, $x, $y);
}
$rotation = null;
if ($automatic_rotation)
{
$rotation = self::get_rotation_angle($this->source_filepath);
}
$resize_dimensions = self::get_resize_dimensions($source_width, $source_height, $max_width, $max_height, $rotation);
// testing on height is useless in theory: if width is unchanged, there
// should be no resize, because width/height ratio is not modified.
if ($resize_dimensions['width'] == $source_width and $resize_dimensions['height'] == $source_height)
{
// the image doesn't need any resize! We just copy it to the destination
copy($this->source_filepath, $destination_filepath);
return $this->get_resize_result($destination_filepath, $resize_dimensions['width'], $resize_dimensions['height'], $starttime);
}
$this->image->set_compression_quality($quality);
if ($strip_metadata)
{
// we save a few kilobytes. For example a thumbnail with metadata weights 25KB, without metadata 7KB.
$this->image->strip();
}
$this->image->resize($resize_dimensions['width'], $resize_dimensions['height']);
if (isset($rotation))
{
$this->image->rotate($rotation);
}
$this->image->write($destination_filepath);
// everything should be OK if we are here!
return $this->get_resize_result($destination_filepath, $resize_dimensions['width'], $resize_dimensions['height'], $starttime);
}
static function get_resize_dimensions($width, $height, $max_width, $max_height, $rotation=null)
{
$rotate_for_dimensions = false;
if (isset($rotation) and in_array(abs($rotation), array(90, 270)))
{
$rotate_for_dimensions = true;
}
if ($rotate_for_dimensions)
{
list($width, $height) = array($height, $width);
}
$ratio_width = $width / $max_width;
$ratio_height = $height / $max_height;
$destination_width = $width;
$destination_height = $height;
// maximal size exceeded ?
if ($ratio_width > 1 or $ratio_height > 1)
{
if ($ratio_width < $ratio_height)
{
$destination_width = round($width / $ratio_height);
$destination_height = $max_height;
}
else
{
$destination_width = $max_width;
$destination_height = round($height / $ratio_width);
}
}
if ($rotate_for_dimensions)
{
list($destination_width, $destination_height) = array($destination_height, $destination_width);
}
return array(
'width' => $destination_width,
'height'=> $destination_height,
);
}
static function get_rotation_angle($source_filepath)
{
list($width, $height, $type) = getimagesize($source_filepath);
if (IMAGETYPE_JPEG != $type)
{
return null;
}
if (!function_exists('exif_read_data'))
{
return null;
}
$rotation = null;
$exif = exif_read_data($source_filepath);
if (isset($exif['Orientation']) and preg_match('/^\s*(\d)/', $exif['Orientation'], $matches))
{
$orientation = $matches[1];
if (in_array($orientation, array(3, 4)))
{
$rotation = 180;
}
elseif (in_array($orientation, array(5, 6)))
{
$rotation = 270;
}
elseif (in_array($orientation, array(7, 8)))
{
$rotation = 90;
}
}
return $rotation;
}
private function get_resize_result($destination_filepath, $width, $height, $time)
{
return array(
'source' => $this->source_filepath,
'destination' => $destination_filepath,
'width' => $width,
'height' => $height,
'size' => floor(filesize($destination_filepath) / 1024).' KB',
'time' => number_format((get_moment() - $time) * 1000, 2, '.', ' ').' ms',
'library' => $this->library,
);
}
static function is_imagick()
{
return extension_loaded('imagick');
}
static function is_ext_imagick()
{
global $conf;
if (!function_exists('exec'))
{
return false;
}
@exec($conf['ext_imagick_dir'].'convert', $returnarray, $returnvalue);
if (!$returnvalue and !empty($returnarray[0]) and preg_match('/ImageMagick/i', $returnarray[0]))
{
return true;
}
return false;
}
static function is_gd()
{
return function_exists('gd_info');
}
function destroy()
{
if (method_exists($this->image, 'destroy'))
{
return $this->image->destroy();
}
return true;
}
}
// +-----------------------------------------------------------------------+
// | Class for Imagick extension |
// +-----------------------------------------------------------------------+
class image_imagick implements imageInterface
{
var $image;
function __construct($source_filepath)
{
// A bug cause that Imagick class can not be extended
$this->image = new Imagick($source_filepath);
}
function get_width()
{
return $this->image->getImageWidth();
}
function get_height()
{
return $this->image->getImageHeight();
}
function set_compression_quality($quality)
{
return $this->image->setImageCompressionQuality($quality);
}
function crop($width, $height, $x, $y)
{
return $this->image->cropImage($width, $height, $x, $y);
}
function strip()
{
return $this->image->stripImage();
}
function rotate($rotation)
{
$this->image->rotateImage(new ImagickPixel(), -$rotation);
$this->image->setImageOrientation(Imagick::ORIENTATION_TOPLEFT);
return true;
}
function resize($width, $height)
{
$this->image->setInterlaceScheme(Imagick::INTERLACE_LINE);
return $this->image->resizeImage($width, $height, Imagick::FILTER_LANCZOS, 0.9);
}
function write($destination_filepath)
{
return $this->image->writeImage($destination_filepath);
}
}
// +-----------------------------------------------------------------------+
// | Class for ImageMagick external installation |
// +-----------------------------------------------------------------------+
class image_ext_imagick implements imageInterface
{
var $imagickdir = '';
var $source_filepath = '';
var $image_data = array();
var $commands = array();
function __construct($source_filepath, $imagickdir='')
{
$this->source_filepath = $source_filepath;
$this->imagickdir = $imagickdir;
$command = $imagickdir."identify -verbose ".realpath($source_filepath);
@exec($command, $returnarray, $returnvalue);
if($returnvalue)
{
die("[External ImageMagick] Corrupt image");
}
foreach($returnarray as $value)
{
$arr = explode(':', $value, 2);
if (count($arr) == 2)
{
$this->image_data[trim($arr[0])] = trim($arr[1]);
}
}
}
function add_command($command, $params=null)
{
$this->commands[$command] = $params;
}
function get_width()
{
preg_match('#^(\d+)x#', $this->image_data['Geometry'], $match);
return isset($match[1]) ? $match[1] : false;
}
function get_height()
{
preg_match('#^\d+x(\d+)(?:\+|$)#', $this->image_data['Geometry'], $match);
return isset($match[1]) ? $match[1] : false;
}
function crop($width, $height, $x, $y)
{
$this->add_command('crop', $width.'x'.$height.'+'.$x.'+'.$y);
return true;
}
function strip()
{
$this->add_command('strip');
return true;
}
function rotate($rotation)
{
$this->add_command('rotate', -$rotation);
$this->add_command('orient', 'top-left');
return true;
}
function set_compression_quality($quality)
{
$this->add_command('quality', $quality);
return true;
}
function resize($width, $height)
{
$this->add_command('interlace', 'line');
$this->add_command('filter', 'Lanczos');
$this->add_command('resize', $width.'x'.$height.'!');
return true;
}
function write($destination_filepath)
{
$exec = $this->imagickdir.'convert';
$exec .= ' '.realpath($this->source_filepath);
foreach ($this->commands as $command => $params)
{
$exec .= ' -'.$command;
if (!empty($params))
{
$exec .= ' '.$params;
}
}
$dest = pathinfo($destination_filepath);
$exec .= ' '.realpath($dest['dirname']).'/'.$dest['basename'];
@exec($exec, $returnarray, $returnvalue);
return !$returnvalue;
}
}
// +-----------------------------------------------------------------------+
// | Class for GD library |
// +-----------------------------------------------------------------------+
class image_gd implements imageInterface
{
var $image;
var $quality = 95;
function __construct($source_filepath)
{
$gd_info = gd_info();
$extension = strtolower(get_extension($source_filepath));
if (in_array($extension, array('jpg', 'jpeg')))
{
$this->image = imagecreatefromjpeg($source_filepath);
}
else if ($extension == 'png')
{
$this->image = imagecreatefrompng($source_filepath);
}
elseif ($extension == 'gif' and $gd_info['GIF Read Support'] and $gd_info['GIF Create Support'])
{
$this->image = imagecreatefromgif($source_filepath);
}
else
{
die('[Image GD] unsupported file extension');
}
}
function get_width()
{
return imagesx($this->image);
}
function get_height()
{
return imagesy($this->image);
}
function crop($width, $height, $x, $y)
{
$dest = imagecreatetruecolor($width, $height);
imagealphablending($dest, false);
imagesavealpha($dest, true);
if (function_exists('imageantialias'))
{
imageantialias($dest, true);
}
$result = imagecopymerge($dest, $this->image, 0, 0, $x, $y, $width, $height, 100);
if ($result !== false)
{
imagedestroy($this->image);
$this->image = $dest;
}
else
{
imagedestroy($dest);
}
return $result;
}
function strip()
{
return true;
}
function rotate($rotation)
{
$dest = imagerotate($this->image, $rotation, 0);
imagedestroy($this->image);
$this->image = $dest;
return true;
}
function set_compression_quality($quality)
{
$this->quality = $quality;
return true;
}
function resize($width, $height)
{
$dest = imagecreatetruecolor($width, $height);
imagealphablending($dest, false);
imagesavealpha($dest, true);
if (function_exists('imageantialias'))
{
imageantialias($dest, true);
}
$result = imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $width, $height, $this->get_width(), $this->get_height());
if ($result !== false)
{
imagedestroy($this->image);
$this->image = $dest;
}
else
{
imagedestroy($dest);
}
return $result;
}
function write($destination_filepath)
{
$extension = strtolower(get_extension($destination_filepath));
if ($extension == 'png')
{
imagepng($this->image, $destination_filepath);
}
elseif ($extension == 'gif')
{
imagegif($this->image, $destination_filepath);
}
else
{
imagejpeg($this->image, $destination_filepath, $this->quality);
}
}
function destroy()
{
imagedestroy($this->image);
}
}
?>

View File

@@ -27,6 +27,7 @@ if( !defined("PHPWG_ROOT_PATH") )
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');
include_once(PHPWG_ROOT_PATH.'admin/include/functions_upload.inc.php');
include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php');
define(
'PHOTOS_ADD_BASE_URL',

View File

@@ -111,7 +111,7 @@ foreach (array_keys($upload_form_config) as $field)
$template->assign(
array(
'F_ADD_ACTION'=> PHOTOS_ADD_BASE_URL,
'MANAGE_HD' => is_imagick(),
'MANAGE_HD' => (pwg_image::is_imagick() or pwg_image::is_ext_imagick()),
'values' => $form_values
)
);

View File

@@ -321,6 +321,15 @@ $conf['insensitive_case_logon'] = false;
// 'filename'
$conf['uniqueness_mode'] = 'md5sum';
// Library used for image resizing. Value could be 'auto', 'imagick',
// 'ext_imagick or 'gd'. If value is 'auto', library will be choosen in this
// order. If choosen library is not available, another one will be picked up.
$conf['image_library'] = 'auto';
// If library used is external installation of ImageMagick ('ext_imagick'),
// you can define imagemagick directory.
$conf['ext_imagick_dir'] = '';
// +-----------------------------------------------------------------------+
// | metadata |
// +-----------------------------------------------------------------------+

View File

@@ -2688,6 +2688,7 @@ function ws_images_resize($params, &$service)
include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
include_once(PHPWG_ROOT_PATH.'admin/include/functions_upload.inc.php');
include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php');
if (!empty($params['image_id']))
{
@@ -2725,32 +2726,36 @@ SELECT id, path, tn_ext, has_high
{
prepare_directory(dirname($thumb_path));
$result = trigger_event(
'upload_thumbnail_resize',
false,
$image_path,
$img = new pwg_image($image_path, $params['library']);
$result = $img->pwg_resize(
$thumb_path,
$params['maxwidth'],
$params['maxheight'],
$params['quality'],
$params['automatic_rotation'],
true,
get_boolean($params['crop']),
get_boolean($params['follow_orientation'])
);
$img->destroy();
}
elseif (file_exists($hd_path))
{
$result = trigger_event(
'upload_image_resize',
false,
$hd_path,
$img = new pwg_image($hd_path);
$result = $img->pwg_resize(
$image_path,
$params['maxwidth'],
$params['maxheight'],
$params['quality'],
$params['automatic_rotation'],
false
);
$img->destroy();
if (!empty($image['has_high']))
{
$conf['use_exif'] = false;

2
ws.php
View File

@@ -411,6 +411,8 @@ function ws_addDefaultMethods( $arr )
'image_id' => array('default' => null),
'image_path' => array('default' => null),
'type' => array('default' => 'thumbnail'),
'automatic_rotation' => array('default' => $conf['upload_form_automatic_rotation']),
'library' => array('default' => $conf['image_library']),
'maxwidth' => array('default' => null),
'maxheight' => array('default' => null),
'crop' => array('default' => null),