--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Pdf/Image.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,247 @@
+<?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
+ * @subpackage Images
+ * @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: Image.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * Abstract factory class which vends {@link Zend_Pdf_Resource_Image} objects.
+ *
+ * This class is also the home for image-related constants because the name of
+ * the true base class ({@link Zend_Pdf_Resource_Image}) is not intuitive for the
+ * end user.
+ *
+ * @package Zend_Pdf
+ * @subpackage Images
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+abstract class Zend_Pdf_Image
+{
+ /**** Class Constants ****/
+
+
+ /* Image Types */
+
+ const TYPE_UNKNOWN = 0;
+ const TYPE_JPEG = 1;
+ const TYPE_PNG = 2;
+ const TYPE_TIFF = 3;
+
+ /* TIFF Constants */
+
+ const TIFF_FIELD_TYPE_BYTE=1;
+ const TIFF_FIELD_TYPE_ASCII=2;
+ const TIFF_FIELD_TYPE_SHORT=3;
+ const TIFF_FIELD_TYPE_LONG=4;
+ const TIFF_FIELD_TYPE_RATIONAL=5;
+
+ const TIFF_TAG_IMAGE_WIDTH=256;
+ const TIFF_TAG_IMAGE_LENGTH=257; //Height
+ const TIFF_TAG_BITS_PER_SAMPLE=258;
+ const TIFF_TAG_COMPRESSION=259;
+ const TIFF_TAG_PHOTOMETRIC_INTERPRETATION=262;
+ const TIFF_TAG_STRIP_OFFSETS=273;
+ const TIFF_TAG_SAMPLES_PER_PIXEL=277;
+ const TIFF_TAG_STRIP_BYTE_COUNTS=279;
+
+ const TIFF_COMPRESSION_UNCOMPRESSED = 1;
+ const TIFF_COMPRESSION_CCITT1D = 2;
+ const TIFF_COMPRESSION_GROUP_3_FAX = 3;
+ const TIFF_COMPRESSION_GROUP_4_FAX = 4;
+ const TIFF_COMPRESSION_LZW = 5;
+ const TIFF_COMPRESSION_JPEG = 6;
+ const TIFF_COMPRESSION_FLATE = 8;
+ const TIFF_COMPRESSION_FLATE_OBSOLETE_CODE = 32946;
+ const TIFF_COMPRESSION_PACKBITS = 32773;
+
+ const TIFF_PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO=0;
+ const TIFF_PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO=1;
+ const TIFF_PHOTOMETRIC_INTERPRETATION_RGB=2;
+ const TIFF_PHOTOMETRIC_INTERPRETATION_RGB_INDEXED=3;
+ const TIFF_PHOTOMETRIC_INTERPRETATION_CMYK=5;
+ const TIFF_PHOTOMETRIC_INTERPRETATION_YCBCR=6;
+ const TIFF_PHOTOMETRIC_INTERPRETATION_CIELAB=8;
+
+ /* PNG Constants */
+
+ const PNG_COMPRESSION_DEFAULT_STRATEGY = 0;
+ const PNG_COMPRESSION_FILTERED = 1;
+ const PNG_COMPRESSION_HUFFMAN_ONLY = 2;
+ const PNG_COMPRESSION_RLE = 3;
+
+ const PNG_FILTER_NONE = 0;
+ const PNG_FILTER_SUB = 1;
+ const PNG_FILTER_UP = 2;
+ const PNG_FILTER_AVERAGE = 3;
+ const PNG_FILTER_PAETH = 4;
+
+ const PNG_INTERLACING_DISABLED = 0;
+ const PNG_INTERLACING_ENABLED = 1;
+
+ const PNG_CHANNEL_GRAY = 0;
+ const PNG_CHANNEL_RGB = 2;
+ const PNG_CHANNEL_INDEXED = 3;
+ const PNG_CHANNEL_GRAY_ALPHA = 4;
+ const PNG_CHANNEL_RGB_ALPHA = 6;
+
+ /**** Public Interface ****/
+
+
+ /* Factory Methods */
+
+ /**
+ * Returns a {@link Zend_Pdf_Resource_Image} object by file path.
+ *
+ * @param string $filePath Full path to the image file.
+ * @return Zend_Pdf_Resource_Image
+ * @throws Zend_Pdf_Exception
+ */
+ public static function imageWithPath($filePath)
+ {
+ /**
+ * use old implementation
+ * @todo switch to new implementation
+ */
+ require_once 'Zend/Pdf/Resource/ImageFactory.php';
+ return Zend_Pdf_Resource_ImageFactory::factory($filePath);
+
+
+ /* Create a file parser data source object for this file. File path and
+ * access permission checks are handled here.
+ */
+ require_once 'Zend/Pdf/FileParserDataSource/File.php';
+ $dataSource = new Zend_Pdf_FileParserDataSource_File($filePath);
+
+ /* Attempt to determine the type of image. We can't always trust file
+ * extensions, but try that first since it's fastest.
+ */
+ $fileExtension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
+
+ /* If it turns out that the file is named improperly and we guess the
+ * wrong type, we'll get null instead of an image object.
+ */
+ switch ($fileExtension) {
+ case 'tif':
+ //Fall through to next case;
+ case 'tiff':
+ $image = Zend_Pdf_Image::_extractTiffImage($dataSource);
+ break;
+ case 'png':
+ $image = Zend_Pdf_Image::_extractPngImage($dataSource);
+ break;
+ case 'jpg':
+ //Fall through to next case;
+ case 'jpe':
+ //Fall through to next case;
+ case 'jpeg':
+ $image = Zend_Pdf_Image::_extractJpegImage($dataSource);
+ break;
+ default:
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception("Cannot create image resource. File extension not known or unsupported type.");
+ break;
+ }
+
+ /* Done with the data source object.
+ */
+ $dataSource = null;
+
+ if ($image !== null) {
+ return $image;
+
+ } else {
+ /* The type of image could not be determined. Give up.
+ */
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception("Cannot determine image type: $filePath",
+ Zend_Pdf_Exception::CANT_DETERMINE_IMAGE_TYPE);
+ }
+ }
+
+
+
+ /**** Internal Methods ****/
+
+
+ /* Image Extraction Methods */
+
+ /**
+ * Attempts to extract a JPEG Image from the data source.
+ *
+ * @param Zend_Pdf_FileParserDataSource $dataSource
+ * @return Zend_Pdf_Resource_Image_Jpeg May also return null if
+ * the data source does not appear to contain valid image data.
+ * @throws Zend_Pdf_Exception
+ */
+ protected static function _extractJpegImage($dataSource)
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception('Jpeg image fileparser is not implemented. Old styly implementation has to be used.');
+
+ require_once 'Zend/Pdf/FileParser/Image/Jpeg.php';
+ $imageParser = new Zend_Pdf_FileParser_Image_Jpeg($dataSource);
+ require_once 'Zend/Pdf/Resource/Image/Jpeg.php';
+ $image = new Zend_Pdf_Resource_Image_Jpeg($imageParser);
+ unset($imageParser);
+
+ return $image;
+ }
+
+ /**
+ * Attempts to extract a PNG Image from the data source.
+ *
+ * @param Zend_Pdf_FileParserDataSource $dataSource
+ * @return Zend_Pdf_Resource_Image_Png May also return null if
+ * the data source does not appear to contain valid image data.
+ */
+ protected static function _extractPngImage($dataSource)
+ {
+ require_once 'Zend/Pdf/FileParser/Image/Png.php';
+ $imageParser = new Zend_Pdf_FileParser_Image_Png($dataSource);
+ require_once 'Zend/Pdf/Resource/Image/Png.php';
+ $image = new Zend_Pdf_Resource_Image_Png($imageParser);
+ unset($imageParser);
+
+ return $image;
+ }
+
+ /**
+ * Attempts to extract a TIFF Image from the data source.
+ *
+ * @param Zend_Pdf_FileParserDataSource $dataSource
+ * @return Zend_Pdf_Resource_Image_Tiff May also return null if
+ * the data source does not appear to contain valid image data.
+ * @throws Zend_Pdf_Exception
+ */
+ protected static function _extractTiffImage($dataSource)
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception('Tiff image fileparser is not implemented. Old styly implementation has to be used.');
+
+ require_once 'Zend/Pdf/FileParser/Image/Tiff.php';
+ $imageParser = new Zend_Pdf_FileParser_Image_Tiff($dataSource);
+ require_once 'Zend/Pdf/Resource/Image/Tiff.php';
+ $image = new Zend_Pdf_Resource_Image_Tiff($imageParser);
+ unset($imageParser);
+
+ return $image;
+ }
+}