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