| <?php | |
| /*********************************************************************** | |
| ** Title.........: ImageMagick Driver | |
| ** Version.......: 1.0 | |
| ** Author........: Xiang Wei ZHUO <wei@zhuo.org> | |
| ** Filename......: IM.php | |
| ** Last changed..: 30 Aug 2003 | |
| ** Notes.........: Orginal is from PEAR | |
| **/ | |
| // +----------------------------------------------------------------------+ | |
| // | PHP Version 4 | | |
| // +----------------------------------------------------------------------+ | |
| // | Copyright (c) 1997-2002 The PHP Group | | |
| // +----------------------------------------------------------------------+ | |
| // | This source file is subject to version 2.02 of the PHP license, | | |
| // | that is bundled with this package in the file LICENSE, and is | | |
| // | available at through the world-wide-web at | | |
| // | http://www.php.net/license/2_02.txt. | | |
| // | If you did not receive a copy of the PHP license and are unable to | | |
| // | obtain it through the world-wide-web, please send a note to | | |
| // | license@php.net so we can mail you a copy immediately. | | |
| // +----------------------------------------------------------------------+ | |
| // | Authors: Peter Bowyer <peter@mapledesign.co.uk> | | |
| // +----------------------------------------------------------------------+ | |
| // | |
| // $Id:IM.php 937 2008-01-20 23:13:25Z ray $ | |
| // | |
| // Image Transformation interface using command line ImageMagick | |
| // | |
| require_once "../ImageManager/Classes/Transform.php"; | |
| Class Image_Transform_Driver_IM extends Image_Transform | |
| { | |
| /** | |
| * associative array commands to be executed | |
| * @var array | |
| */ | |
| var $command = array(); | |
| /** | |
| * | |
| * | |
| */ | |
| function Image_Transform_Driver_IM() | |
| { | |
| return true; | |
| } // End Image_IM | |
| /** | |
| * Load image | |
| * | |
| * @param string filename | |
| * | |
| * @return mixed none or a PEAR error object on error | |
| * @see PEAR::isError() | |
| */ | |
| function load($image) | |
| { | |
| $this->uid = md5($_SERVER['REMOTE_ADDR']); | |
| /*if (!file_exists($image)) { | |
| return PEAR::raiseError('The image file ' . $image . ' does\'t exist', true); | |
| }*/ | |
| $this->image = $image; | |
| $this->_get_image_details($image); | |
| } // End load | |
| /** | |
| * Resize Action | |
| * | |
| * @param int new_x new width | |
| * @param int new_y new height | |
| * | |
| * @return none | |
| * @see PEAR::isError() | |
| */ | |
| function _resize($new_x, $new_y) | |
| { | |
| /*if (isset($this->command['resize'])) { | |
| return PEAR::raiseError("You cannot scale or resize an image more than once without calling save or display", true); | |
| }*/ | |
| $this->command['resize'] = "-geometry ${new_x}x${new_y}!"; | |
| $this->new_x = $new_x; | |
| $this->new_y = $new_y; | |
| } // End resize | |
| /** | |
| * Crop the image | |
| * | |
| * @param int $crop_x left column of the image | |
| * @param int $crop_y top row of the image | |
| * @param int $crop_width new cropped image width | |
| * @param int $crop_height new cropped image height | |
| */ | |
| function crop($crop_x, $crop_y, $crop_width, $crop_height) | |
| { | |
| $this->command['crop'] = "-crop {$crop_width}x{$crop_height}+{$crop_x}+{$crop_y}"; | |
| } | |
| /** | |
| * Flip the image horizontally or vertically | |
| * | |
| * @param boolean $horizontal true if horizontal flip, vertical otherwise | |
| */ | |
| function flip($horizontal) | |
| { | |
| if($horizontal) | |
| $this->command['flop'] = "-flop"; | |
| else | |
| $this->command['flip'] = "-flip"; | |
| } | |
| /** | |
| * rotate | |
| * | |
| * @param int angle rotation angle | |
| * @param array options no option allowed | |
| * | |
| */ | |
| function rotate($angle, $options=null) | |
| { | |
| if ('-' == $angle{0}) { | |
| $angle = 360 - substr($angle, 1); | |
| } | |
| $this->command['rotate'] = "-rotate $angle"; | |
| } // End rotate | |
| /** | |
| * addText | |
| * | |
| * @param array options Array contains options | |
| * array( | |
| * 'text' The string to draw | |
| * 'x' Horizontal position | |
| * 'y' Vertical Position | |
| * 'Color' Font color | |
| * 'font' Font to be used | |
| * 'size' Size of the fonts in pixel | |
| * 'resize_first' Tell if the image has to be resized | |
| * before drawing the text | |
| * ) | |
| * | |
| * @return none | |
| * @see PEAR::isError() | |
| */ | |
| function addText($params) | |
| { | |
| $default_params = array( | |
| 'text' => 'This is Text', | |
| 'x' => 10, | |
| 'y' => 20, | |
| 'color' => 'red', | |
| 'font' => 'Arial.ttf', | |
| 'resize_first' => false // Carry out the scaling of the image before annotation? | |
| ); | |
| $params = array_merge($default_params, $params); | |
| extract($params); | |
| if (true === $resize_first) { | |
| // Set the key so that this will be the last item in the array | |
| $key = 'ztext'; | |
| } else { | |
| $key = 'text'; | |
| } | |
| $this->command[$key] = "-font $font -fill $color -draw 'text $x,$y \"$text\"'"; | |
| // Producing error: gs: not found gs: not found convert: Postscript delegate failed [No such file or directory]. | |
| } // End addText | |
| /** | |
| * Adjust the image gamma | |
| * | |
| * @param float $outputgamma | |
| * | |
| * @return none | |
| */ | |
| function gamma($outputgamma=1.0) { | |
| $this->command['gamma'] = "-gamma $outputgamma"; | |
| } | |
| function reduce_colors($number = 256) | |
| { | |
| $this->command['colors'] = "-colors $number"; | |
| } | |
| /** | |
| * Save the image file | |
| * | |
| * @param string $filename the name of the file to write to | |
| * @param quality $quality image dpi, default=75 | |
| * @param string $type (JPG,PNG...) | |
| * | |
| * @return none | |
| */ | |
| function save($filename, $type='', $quality = 85) | |
| { | |
| $type == '' ? $this->type : $type; | |
| $cmd = '' . IMAGE_TRANSFORM_LIB_PATH . 'convert '; | |
| $cmd .= implode(' ', $this->command) . " -quality $quality "; | |
| $cmd .= '"'.($this->image) . '" "' . ($filename) . '"'; | |
| //$cmd = str_replace('/', '\\', $cmd); | |
| //echo($cmd.'<br>'); | |
| exec($cmd,$retval); | |
| //error_log('IM '.print_r($retval,true)); | |
| } // End save | |
| /** | |
| * Display image without saving and lose changes | |
| * | |
| * @param string type (JPG,PNG...); | |
| * @param int quality 75 | |
| * | |
| * @return none | |
| */ | |
| function display($type = '', $quality = 75) | |
| { | |
| if ($type == '') { | |
| header('Content-type: image/' . $this->type); | |
| passthru(IMAGE_TRANSFORM_LIB_PATH . ' ' . implode(' ', $this->command) . " -quality $quality " . escapeshellarg($this->image) . ' ' . strtoupper($this->type) . ":-"); | |
| } else { | |
| header('Content-type: image/' . $type); | |
| passthru(IMAGE_TRANSFORM_LIB_PATH . 'convert ' . implode(' ', $this->command) . " -quality $quality " . escapeshellarg($this->image) . ' ' . strtoupper($type) . ":-"); | |
| } | |
| } | |
| /** | |
| * Destroy image handle | |
| * | |
| * @return none | |
| */ | |
| function free() | |
| { | |
| return true; | |
| } | |
| } // End class ImageIM | |
| ?> |