1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Jpeg.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/** Internally used classes */
require_once 'Zend/Pdf/Element/Name.php';
require_once 'Zend/Pdf/Element/Numeric.php';
/** Zend_Pdf_Resource_Image */
require_once 'Zend/Pdf/Resource/Image.php';
/**
* JPEG image
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_Resource_Image_Jpeg extends Zend_Pdf_Resource_Image
{
protected $_width;
protected $_height;
protected $_imageProperties;
/**
* Object constructor
*
* @param string $imageFileName
* @throws Zend_Pdf_Exception
*/
public function __construct($imageFileName)
{
if (!function_exists('gd_info')) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Image extension is not installed.');
}
$gd_options = gd_info();
if ( (!isset($gd_options['JPG Support']) || $gd_options['JPG Support'] != true) &&
(!isset($gd_options['JPEG Support']) || $gd_options['JPEG Support'] != true) ) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('JPG support is not configured properly.');
}
if (($imageInfo = getimagesize($imageFileName)) === false) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Corrupted image or image doesn\'t exist.');
}
if ($imageInfo[2] != IMAGETYPE_JPEG && $imageInfo[2] != IMAGETYPE_JPEG2000) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('ImageType is not JPG');
}
parent::__construct();
switch ($imageInfo['channels']) {
case 3:
$colorSpace = 'DeviceRGB';
break;
case 4:
$colorSpace = 'DeviceCMYK';
break;
default:
$colorSpace = 'DeviceGray';
break;
}
$imageDictionary = $this->_resource->dictionary;
$imageDictionary->Width = new Zend_Pdf_Element_Numeric($imageInfo[0]);
$imageDictionary->Height = new Zend_Pdf_Element_Numeric($imageInfo[1]);
$imageDictionary->ColorSpace = new Zend_Pdf_Element_Name($colorSpace);
$imageDictionary->BitsPerComponent = new Zend_Pdf_Element_Numeric($imageInfo['bits']);
if ($imageInfo[2] == IMAGETYPE_JPEG) {
$imageDictionary->Filter = new Zend_Pdf_Element_Name('DCTDecode');
} else if ($imageInfo[2] == IMAGETYPE_JPEG2000){
$imageDictionary->Filter = new Zend_Pdf_Element_Name('JPXDecode');
}
if (($imageFile = @fopen($imageFileName, 'rb')) === false ) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception( "Can not open '$imageFileName' file for reading." );
}
$byteCount = filesize($imageFileName);
$this->_resource->value = '';
while ( $byteCount > 0 && ($nextBlock = fread($imageFile, $byteCount)) != false ) {
$this->_resource->value .= $nextBlock;
$byteCount -= strlen($nextBlock);
}
fclose($imageFile);
$this->_resource->skipFilters();
$this->_width = $imageInfo[0];
$this->_height = $imageInfo[1];
$this->_imageProperties = array();
$this->_imageProperties['bitDepth'] = $imageInfo['bits'];
$this->_imageProperties['jpegImageType'] = $imageInfo[2];
$this->_imageProperties['jpegColorType'] = $imageInfo['channels'];
}
/**
* Image width
*/
public function getPixelWidth() {
return $this->_width;
}
/**
* Image height
*/
public function getPixelHeight() {
return $this->_height;
}
/**
* Image properties
*/
public function getProperties() {
return $this->_imageProperties;
}
}
|
