8398c9048d
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
142 lines
4.5 KiB
PHP
142 lines
4.5 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Jpeg.php 16541 2009-07-07 06:59:03Z bkarwin $
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*/
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/** Zend_Pdf_Resource_Image */
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require_once 'Zend/Pdf/Resource/Image.php';
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/** Zend_Pdf_Element_Numeric */
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require_once 'Zend/Pdf/Element/Numeric.php';
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/** Zend_Pdf_Element_Name */
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require_once 'Zend/Pdf/Element/Name.php';
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/**
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* JPEG image
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*
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Pdf_Resource_Image_Jpeg extends Zend_Pdf_Resource_Image
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{
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protected $_width;
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protected $_height;
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protected $_imageProperties;
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/**
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* Object constructor
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*
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* @param string $imageFileName
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* @throws Zend_Pdf_Exception
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*/
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public function __construct($imageFileName)
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{
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if (!function_exists('gd_info')) {
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require_once 'Zend/Pdf/Exception.php';
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throw new Zend_Pdf_Exception('Image extension is not installed.');
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}
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$gd_options = gd_info();
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if (!$gd_options['JPG Support'] ) {
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require_once 'Zend/Pdf/Exception.php';
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throw new Zend_Pdf_Exception('JPG support is not configured properly.');
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}
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if (($imageInfo = getimagesize($imageFileName)) === false) {
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require_once 'Zend/Pdf/Exception.php';
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throw new Zend_Pdf_Exception('Corrupted image or image doesn\'t exist.');
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}
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if ($imageInfo[2] != IMAGETYPE_JPEG && $imageInfo[2] != IMAGETYPE_JPEG2000) {
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require_once 'Zend/Pdf/Exception.php';
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throw new Zend_Pdf_Exception('ImageType is not JPG');
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}
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parent::__construct();
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switch ($imageInfo['channels']) {
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case 3:
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$colorSpace = 'DeviceRGB';
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break;
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case 4:
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$colorSpace = 'DeviceCMYK';
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break;
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default:
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$colorSpace = 'DeviceGray';
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break;
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}
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$imageDictionary = $this->_resource->dictionary;
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$imageDictionary->Width = new Zend_Pdf_Element_Numeric($imageInfo[0]);
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$imageDictionary->Height = new Zend_Pdf_Element_Numeric($imageInfo[1]);
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$imageDictionary->ColorSpace = new Zend_Pdf_Element_Name($colorSpace);
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$imageDictionary->BitsPerComponent = new Zend_Pdf_Element_Numeric($imageInfo['bits']);
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if ($imageInfo[2] == IMAGETYPE_JPEG) {
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$imageDictionary->Filter = new Zend_Pdf_Element_Name('DCTDecode');
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} else if ($imageInfo[2] == IMAGETYPE_JPEG2000){
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$imageDictionary->Filter = new Zend_Pdf_Element_Name('JPXDecode');
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}
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if (($imageFile = @fopen($imageFileName, 'rb')) === false ) {
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require_once 'Zend/Pdf/Exception.php';
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throw new Zend_Pdf_Exception( "Can not open '$imageFileName' file for reading." );
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}
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$byteCount = filesize($imageFileName);
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$this->_resource->value = '';
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while ( $byteCount > 0 && ($nextBlock = fread($imageFile, $byteCount)) != false ) {
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$this->_resource->value .= $nextBlock;
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$byteCount -= strlen($nextBlock);
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}
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fclose($imageFile);
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$this->_resource->skipFilters();
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$this->_width = $imageInfo[0];
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$this->_height = $imageInfo[1];
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$this->_imageProperties = array();
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$this->_imageProperties['bitDepth'] = $imageInfo['bits'];
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$this->_imageProperties['jpegImageType'] = $imageInfo[2];
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$this->_imageProperties['jpegColorType'] = $imageInfo['channels'];
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}
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/**
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* Image width
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*/
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public function getPixelWidth() {
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return $this->_width;
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}
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/**
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* Image height
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*/
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public function getPixelHeight() {
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return $this->_height;
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}
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/**
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* Image properties
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*/
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public function getProperties() {
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return $this->_imageProperties;
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}
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}
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