/vendor/magento/zendframework1/library/Zend/Pdf/Image.php
PHP | 247 lines | 106 code | 39 blank | 102 comment | 3 complexity | 7877b76dd9e150104b83037266258658 MD5 | raw file
- <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id$
- */
- /**
- * 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) 2005-2015 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;
- }
- }