Pdf/Image.php

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Zend Framework

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Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License
Package: Zend_Pdf
Subpackage: Images
Version: $Id$

\Zend_Pdf_Image
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Package: Zend_Pdf\Images

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.

Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License

Constants

 
                TYPE_UNKNOWN
                = 0

 
                TYPE_JPEG
                = 1

 
                TYPE_PNG
                = 2

 
                TYPE_TIFF
                = 3

 
                TIFF_FIELD_TYPE_BYTE
                = 1

 
                TIFF_FIELD_TYPE_ASCII
                = 2

 
                TIFF_FIELD_TYPE_SHORT
                = 3

 
                TIFF_FIELD_TYPE_LONG
                = 4

 
                TIFF_FIELD_TYPE_RATIONAL
                = 5

 
                TIFF_TAG_IMAGE_WIDTH
                = 256

 
                TIFF_TAG_IMAGE_LENGTH
                = 257

 
                TIFF_TAG_BITS_PER_SAMPLE
                = 258

 
                TIFF_TAG_COMPRESSION
                = 259

 
                TIFF_TAG_PHOTOMETRIC_INTERPRETATION
                = 262

 
                TIFF_TAG_STRIP_OFFSETS
                = 273

 
                TIFF_TAG_SAMPLES_PER_PIXEL
                = 277

 
                TIFF_TAG_STRIP_BYTE_COUNTS
                = 279

 
                TIFF_COMPRESSION_UNCOMPRESSED
                = 1

 
                TIFF_COMPRESSION_CCITT1D
                = 2

 
                TIFF_COMPRESSION_GROUP_3_FAX
                = 3

 
                TIFF_COMPRESSION_GROUP_4_FAX
                = 4

 
                TIFF_COMPRESSION_LZW
                = 5

 
                TIFF_COMPRESSION_JPEG
                = 6

 
                TIFF_COMPRESSION_FLATE
                = 8

 
                TIFF_COMPRESSION_FLATE_OBSOLETE_CODE
                = 32946

 
                TIFF_COMPRESSION_PACKBITS
                = 32773

 
                TIFF_PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO
                = 0

 
                TIFF_PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO
                = 1

 
                TIFF_PHOTOMETRIC_INTERPRETATION_RGB
                = 2

 
                TIFF_PHOTOMETRIC_INTERPRETATION_RGB_INDEXED
                = 3

 
                TIFF_PHOTOMETRIC_INTERPRETATION_CMYK
                = 5

 
                TIFF_PHOTOMETRIC_INTERPRETATION_YCBCR
                = 6

 
                TIFF_PHOTOMETRIC_INTERPRETATION_CIELAB
                = 8

 
                PNG_COMPRESSION_DEFAULT_STRATEGY
                = 0

 
                PNG_COMPRESSION_FILTERED
                = 1

 
                PNG_COMPRESSION_HUFFMAN_ONLY
                = 2

 
                PNG_COMPRESSION_RLE
                = 3

 
                PNG_FILTER_NONE
                = 0

 
                PNG_FILTER_SUB
                = 1

 
                PNG_FILTER_UP
                = 2

 
                PNG_FILTER_AVERAGE
                = 3

 
                PNG_FILTER_PAETH
                = 4

 
                PNG_INTERLACING_DISABLED
                = 0

 
                PNG_INTERLACING_ENABLED
                = 1

 
                PNG_CHANNEL_GRAY
                = 0

 
                PNG_CHANNEL_RGB
                = 2

 
                PNG_CHANNEL_INDEXED
                = 3

 
                PNG_CHANNEL_GRAY_ALPHA
                = 4

 
                PNG_CHANNEL_RGB_ALPHA
                = 6

Methods

_extractJpegImage(\Zend_Pdf_FileParserDataSource $dataSource) : \Zend_Pdf_Resource_Image_Jpeg

static

Attempts to extract a JPEG Image from the data source.

Parameters

Name	Type	Description
$dataSource	\Zend_Pdf_FileParserDataSource

Returns

Type	Description
\Zend_Pdf_Resource_Image_Jpeg	May also return null if the data source does not appear to contain valid image data.

Throws

Exception	Description
\Zend_Pdf_Exception

_extractPngImage(\Zend_Pdf_FileParserDataSource $dataSource) : \Zend_Pdf_Resource_Image_Png

static

Attempts to extract a PNG Image from the data source.

Parameters

Name	Type	Description
$dataSource	\Zend_Pdf_FileParserDataSource

Returns

Type	Description
\Zend_Pdf_Resource_Image_Png	May also return null if the data source does not appear to contain valid image data.

_extractTiffImage(\Zend_Pdf_FileParserDataSource $dataSource) : \Zend_Pdf_Resource_Image_Tiff

static

Attempts to extract a TIFF Image from the data source.

Parameters

Name	Type	Description
$dataSource	\Zend_Pdf_FileParserDataSource

Returns

Type	Description
\Zend_Pdf_Resource_Image_Tiff	May also return null if the data source does not appear to contain valid image data.

Throws

Exception	Description
\Zend_Pdf_Exception

imageWithPath(string $filePath) : \Zend_Pdf_Resource_Image

static

Returns a {@link Zend_Pdf_Resource_Image} object by file path.

Parameters

Name	Type	Description
$filePath	string	Full path to the image file.

Returns

Type	Description
\Zend_Pdf_Resource_Image

Throws

Exception	Description
\Zend_Pdf_Exception

Pdf/Image.php

\Zend_Pdf_Imagejump to top

Constants

Methods

\Zend_Pdf_Image
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