ok
Direktori : /home/institutonamaste/www/admin/js/kcfinder/lib/ |
Current File : /home/institutonamaste/www/admin/js/kcfinder/lib/class_image_imagick.php |
<?php /** This file is part of KCFinder project * * @desc ImageMagick image driver class * @package KCFinder * @version 3.12 * @author Pavel Tzonkov <sunhater@sunhater.com> * @copyright 2010-2014 KCFinder Project * @license http://opensource.org/licenses/GPL-3.0 GPLv3 * @license http://opensource.org/licenses/LGPL-3.0 LGPLv3 * @link http://kcfinder.sunhater.com */ namespace kcfinder; class image_imagick extends image { static $MIMES = array( //'tif' => "image/tiff" ); // ABSTRACT PUBLIC METHODS public function resize($width, $height) {// if (!$width) $width = 1; if (!$height) $height = 1; try { $this->image->scaleImage($width, $height); } catch (\Exception $e) { return false; } $this->width = $width; $this->height = $height; return true; } public function resizeFit($width, $height, $background=false) {// if (!$width) $width = 1; if (!$height) $height = 1; try { $this->image->scaleImage($width, $height, true); $size = $this->image->getImageGeometry(); } catch (\Exception $e) { return false; } if ($background === false) { $this->width = $size['width']; $this->height = $size['height']; return true; } else { try { $this->image->setImageBackgroundColor($background); $x = -round(($width - $size['width']) / 2); $y = -round(($height - $size['height']) / 2); $this->image->extentImage($width, $height, $x, $y); } catch (\Exception $e) { return false; } $this->width = $width; $this->height = $height; return true; } } public function resizeCrop($width, $height, $offset=false) { if (!$width) $width = 1; if (!$height) $height = 1; if (($this->width / $this->height) > ($width / $height)) { $h = $height; $w = ($this->width * $h) / $this->height; $y = 0; if ($offset !== false) { if ($offset > 0) $offset = -$offset; if (($w + $offset) <= $width) $offset = $width - $w; $x = $offset; } else $x = ($width - $w) / 2; } else { $w = $width; $h = ($this->height * $w) / $this->width; $x = 0; if ($offset !== false) { if ($offset > 0) $offset = -$offset; if (($h + $offset) <= $height) $offset = $height - $h; $y = $offset; } else $y = ($height - $h) / 2; } $x = round($x); $y = round($y); $w = round($w); $h = round($h); if (!$w) $w = 1; if (!$h) $h = 1; try { $this->image->scaleImage($w, $h); $this->image->cropImage($width, $height, -$x, -$y); } catch (\Exception $e) { return false; } $this->width = $width; $this->height = $height; return true; } public function rotate($angle, $background="#000000") { try { $this->image->rotateImage(new \ImagickPixel($background), $angle); $size = $this->image->getImageGeometry(); } catch (\Exception $e) { return false; } $this->width = $size['width']; $this->height = $size['height']; return true; } public function flipHorizontal() { try { $this->image->flopImage(); } catch (\Exception $e) { return false; } return true; } public function flipVertical() { try { $this->image->flipImage(); } catch (\Exception $e) { return false; } return true; } public function watermark($file, $left=false, $top=false) { try { $wm = new \Imagick($file); $size = $wm->getImageGeometry(); } catch (\Exception $e) { return false; } $w = $size['width']; $h = $size['height']; $x = ($left === true) ? 0 : ( ($left === null) ? round(($this->width - $w) / 2) : ( (($left === false) || !preg_match('/^\d+$/', $left)) ? ($this->width - $w) : $left)); $y = ($top === true) ? 0 : ( ($top === null) ? round(($this->height - $h) / 2) : ( (($top === false) || !preg_match('/^\d+$/', $top)) ? ($this->height - $h) : $top)); if ((($x + $w) > $this->width) || (($y + $h) > $this->height) || ($x < 0) || ($y < 0) ) return false; try { $this->image->compositeImage($wm, \Imagick::COMPOSITE_DEFAULT, $x, $y); } catch (\Exception $e) { return false; } return true; } // ABSTRACT PROTECTED METHODS protected function getBlankImage($width, $height) { try { $img = new \Imagick(); $img->newImage($width, $height, "none"); $img->setImageCompressionQuality(100); } catch (\Exception $e) { return false; } return $img; } protected function getImage($image, &$width, &$height) { if (is_object($image) && ($image instanceof image_imagick)) { try { $image->image->setImageCompressionQuality(100); } catch (\Exception $e) { return false; } $width = $image->width; $height = $image->height; return $image->image; } elseif (is_object($image) && ($image instanceof \Imagick)) { try { $image->setImageCompressionQuality(100); $size = $image->getImageGeometry(); } catch (\Exception $e) { return false; } $width = $size['width']; $height = $size['height']; return $image; } elseif (is_string($image)) { try { $image = new \Imagick($image); $image->setImageCompressionQuality(100); $size = $image->getImageGeometry(); } catch (\Exception $e) { return false; } $width = $size['width']; $height = $size['height']; return $image; } else return false; } // PSEUDO-ABSTRACT STATIC METHODS static function available() { return class_exists("\\Imagick"); } static function checkImage($file) { try { $img = new \Imagick($file); } catch (\Exception $e) { return false; } return true; } // INHERIT METHODS public function output($type="jpeg", array $options=array()) { $type = strtolower($type); try { $this->image->setImageFormat($type); } catch (\Exception $e) { return false; } $method = "optimize_$type"; if (method_exists($this, $method) && !$this->$method($options)) return false; if (!isset($options['file'])) { if (!headers_sent()) { $mime = isset(self::$MIMES[$type]) ? self::$MIMES[$type] : "image/$type"; header("Content-Type: $mime"); } echo $this->image; } else { $file = $options['file'] . ".$type"; try { $this->image->writeImage($file); } catch (\Exception $e) { @unlink($file); return false; } if (!@rename($file, $options['file'])) { @unlink($file); return false; } } return true; } // OWN METHODS protected function optimize_jpeg(array $options=array()) { $quality = isset($options['quality']) ? $options['quality'] : self::DEFAULT_JPEG_QUALITY; try { $this->image->setImageCompression(\Imagick::COMPRESSION_JPEG); $this->image->setImageCompressionQuality($quality); } catch (\Exception $e) { return false; } return true; } }