/**
* Object constructor.
*
* If resource is not a Zend_Pdf_Element object, then stream object with specified value is
* generated.
*
* @param Zend_Pdf_Element|string $resource
*/
public function __construct($resource)
{
$this->_processedFacories = array();
$this->_objectFactory = new Zend_Pdf_ElementFactory(1);
if ($resource instanceof Zend_Pdf_Element) {
$this->_resource = $this->_objectFactory->newObject($resource);
} else {
$this->_resource = $this->_objectFactory->newStreamObject($resource);
}
}
/**
* Object constructor.
*
* If resource is not a Zend_Pdf_Element object, then stream object with specified value is
* generated.
*
* @param Zend_Pdf_Element|string $resource
*/
public function __construct($resource)
{
$this->_objectFactory = Zend_Pdf_ElementFactory::createFactory(1);
if ($resource instanceof Zend_Pdf_Element) {
$this->_resource = $this->_objectFactory->newObject($resource);
} else {
$this->_resource = $this->_objectFactory->newStreamObject($resource);
}
}
/**
* Object constructor.
*
* @param Zend_Pdf_Element_Object $extGStateObject
* @throws Zend_Pdf_Exception
*/
public function __construct(Zend_Pdf_Element_Object $extGStateObject = null)
{
if ($extGStateObject == null) {
// Create new Graphics State object
require_once 'Zend/Pdf/ElementFactory.php';
$factory = Zend_Pdf_ElementFactory::createFactory(1);
$gsDictionary = new Zend_Pdf_Element_Dictionary();
$gsDictionary->Type = new Zend_Pdf_Element_Name('ExtGState');
$extGStateObject = $factory->newObject($gsDictionary);
}
if ($extGStateObject->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Graphics state PDF object must be a dictionary');
}
parent::__construct($gsDictionary);
}
/**
* Creates or loads PDF document.
*
* If $source is null, then it creates a new document.
*
* If $source is a string and $load is false, then it loads document
* from a binary string.
*
* If $source is a string and $load is true, then it loads document
* from a file.
* $revision used to roll back document to specified version
* (0 - current version, 1 - previous version, 2 - ...)
*
* @param string $source - PDF file to load
* @param integer $revision
* @throws Zend_Pdf_Exception
* @return Zend_Pdf
*/
public function __construct($source = null, $revision = null, $load = false)
{
require_once 'Zend/Pdf/ElementFactory.php';
$this->_objFactory = Zend_Pdf_ElementFactory::createFactory(1);
if ($source !== null) {
require_once 'Zend/Pdf/Parser.php';
$this->_parser = new Zend_Pdf_Parser($source, $this->_objFactory, $load);
$this->_pdfHeaderVersion = $this->_parser->getPDFVersion();
$this->_trailer = $this->_parser->getTrailer();
if ($this->_trailer->Encrypt !== null) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Encrypted document modification is not supported');
}
if ($revision !== null) {
$this->rollback($revision);
} else {
$this->_loadPages($this->_trailer->Root->Pages);
}
$this->_loadNamedDestinations($this->_trailer->Root, $this->_parser->getPDFVersion());
$this->_loadOutlines($this->_trailer->Root);
if ($this->_trailer->Info !== null) {
$this->properties = $this->_trailer->Info->toPhp();
if (isset($this->properties['Trapped'])) {
switch ($this->properties['Trapped']) {
case 'True':
$this->properties['Trapped'] = true;
break;
case 'False':
$this->properties['Trapped'] = false;
break;
case 'Unknown':
$this->properties['Trapped'] = null;
break;
default:
// Wrong property value
// Do nothing
break;
}
}
$this->_originalProperties = $this->properties;
}
$this->_isNewDocument = false;
} else {
$this->_pdfHeaderVersion = Zend_Pdf::PDF_VERSION;
$trailerDictionary = new Zend_Pdf_Element_Dictionary();
/**
* Document id
*/
$docId = md5(uniqid(rand(), true)); // 32 byte (128 bit) identifier
$docIdLow = substr($docId, 0, 16); // first 16 bytes
$docIdHigh = substr($docId, 16, 16); // second 16 bytes
$trailerDictionary->ID = new Zend_Pdf_Element_Array();
$trailerDictionary->ID->items[] = new Zend_Pdf_Element_String_Binary($docIdLow);
$trailerDictionary->ID->items[] = new Zend_Pdf_Element_String_Binary($docIdHigh);
$trailerDictionary->Size = new Zend_Pdf_Element_Numeric(0);
require_once 'Zend/Pdf/Trailer/Generator.php';
$this->_trailer = new Zend_Pdf_Trailer_Generator($trailerDictionary);
/**
* Document catalog indirect object.
*/
$docCatalog = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$docCatalog->Type = new Zend_Pdf_Element_Name('Catalog');
$docCatalog->Version = new Zend_Pdf_Element_Name(Zend_Pdf::PDF_VERSION);
$this->_trailer->Root = $docCatalog;
/**
//.........这里部分代码省略.........
开发者ID:nhp，项目名称:shopware-4，代码行数:101，代码来源:Pdf.php
示例7: __construct
/**
* Object constructor.
* Constructor signatures:
*
* 1. Load PDF page from a parsed PDF file.
* Object factory is created by PDF parser.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Element_Dictionary $pageDict,
* Zend_Pdf_ElementFactory_Interface $factory);
* ---------------------------------------------------------
*
* 2. Clone PDF page.
* New page is created in the same context as source page. Object factory is shared.
* Thus it will be attached to the document, but need to be placed into Zend_Pdf::$pages array
* to be included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Page $page);
* ---------------------------------------------------------
*
* 3. Create new page with a specified pagesize.
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(string $pagesize, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
* 4. Create new page with a specified pagesize (in default user space units).
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(numeric $width, numeric $height, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
*
* @param mixed $param1
* @param mixed $param2
* @param mixed $param3
* @throws Zend_Pdf_Exception
*/
public function __construct($param1, $param2 = null, $param3 = null)
{
if ($param1 instanceof Zend_Pdf_Element_Reference && $param1->getType() == Zend_Pdf_Element::TYPE_DICTIONARY && $param2 instanceof Zend_Pdf_ElementFactory_Interface && $param3 === null) {
$this->_pageDictionary = $param1;
$this->_objFactory = $param2;
$this->_attached = true;
return;
} else {
if ($param1 instanceof Zend_Pdf_Page && $param2 === null && $param3 === null) {
/** @todo implementation */
throw new Zend_Pdf_Exception('Not implemented yet.');
} else {
if (is_string($param1) && ($param2 === null || $param2 instanceof Zend_Pdf_ElementFactory_Interface) && $param3 === null) {
$this->_objFactory = $param2 !== null ? $param2 : Zend_Pdf_ElementFactory::createFactory(1);
$this->_attached = false;
switch (strtolower($param1)) {
case 'a4':
$param1 = Zend_Pdf_Page::SIZE_A4;
break;
case 'a4-landscape':
$param1 = Zend_Pdf_Page::SIZE_A4_LANDSCAPE;
break;
case 'letter':
$param1 = Zend_Pdf_Page::SIZE_LETTER;
break;
case 'letter-landscape':
$param1 = Zend_Pdf_Page::SIZE_LETTER_LANDSCAPE;
break;
default:
// should be in "x:y" form
}
$pageDim = explode(':', $param1);
if (count($pageDim) == 3) {
$pageWidth = $pageDim[0];
$pageHeight = $pageDim[1];
} else {
/**
* @todo support of user defined pagesize notations, like:
* "210x297mm", "595x842", "8.5x11in", "612x792"
*/
throw new Zend_Pdf_Exception('Wrong pagesize notation.');
}
/**
* @todo support of pagesize recalculation to "default user space units"
*/
} else {
if (is_numeric($param1) && is_numeric($param2) && ($param3 === null || $param3 instanceof Zend_Pdf_ElementFactory_Interface)) {
$this->_objFactory = $param3 !== null ? $param3 : Zend_Pdf_ElementFactory::createFactory(1);
$this->_attached = false;
$pageWidth = $param1;
$pageHeight = $param2;
} else {
throw new Zend_Pdf_Exception('Unrecognized method signature, wrong number of arguments or wrong argument types.');
}
}
}
}
$this->_pageDictionary = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$this->_pageDictionary->Type = new Zend_Pdf_Element_Name('Page');
$this->_pageDictionary->LastModified = new Zend_Pdf_Element_String(Zend_Pdf::pdfDate());
$this->_pageDictionary->Resources = new Zend_Pdf_Element_Dictionary();
//.........这里部分代码省略.........
/**
* Object constructor.
*/
public function __construct()
{
$this->_factory = Zend_Pdf_ElementFactory::createFactory(1);
$this->_processed = array();
}
开发者ID:netixx，项目名称:Stock，代码行数:8，代码来源:Extractor.php
示例9: render
/**
* Prepare page to be rendered into PDF.
*
* @todo Don't forget to close all current graphics operations (like path drawing)
*
* @param Zend_Pdf_ElementFactory $objFactory
* @throws Zend_Pdf_Exception
*/
public function render(Zend_Pdf_ElementFactory $objFactory)
{
$this->flush();
if ($objFactory === $this->_objFactory) {
// Page is already attached to the document.
return;
}
if ($this->_attached) {
throw new Zend_Pdf_Exception('Page is attached to one documen, but rendered in context of another.');
/**
* @todo Page cloning must be implemented here instead of exception.
* PDF objects (ex. fonts) can be shared between pages.
* Thus all referenced objects, which can be modified, must be cloned recursively,
* to avoid producing wrong object references in a context of source PDF.
*/
//...
} else {
$objFactory->attach($this->_objFactory);
}
}
/**
* Creates or loads PDF document.
*
* If $source is null, then it creates a new document.
*
* If $source is a string and $load is false, then it loads document
* from a binary string.
*
* If $source is a string and $load is true, then it loads document
* from a file.
* $revision used to roll back document to specified version
* (0 - currtent version, 1 - previous version, 2 - ...)
*
* @param string $source - PDF file to load
* @param integer $revision
* @throws Zend_Pdf_Exception
* @return Zend_Pdf
*/
public function __construct($source = null, $revision = null, $load = false)
{
$this->_objFactory = Zend_Pdf_ElementFactory::createFactory(1);
if ($source !== null) {
$this->_parser = new Zend_Pdf_Parser($source, $this->_objFactory, $load);
$this->_trailer = $this->_parser->getTrailer();
if ($revision !== null) {
$this->rollback($revision);
} else {
$this->_loadPages($this->_trailer->Root->Pages);
}
if ($this->_trailer->Info !== null) {
foreach ($this->_trailer->Info->getKeys() as $key) {
$this->properties[$key] = $this->_trailer->Info->{$key}->value;
}
if (isset($this->properties['Trapped'])) {
switch ($this->properties['Trapped']) {
case 'True':
$this->properties['Trapped'] = true;
break;
case 'False':
$this->properties['Trapped'] = false;
break;
case 'Unknown':
$this->properties['Trapped'] = null;
break;
default:
// Wrong property value
// Do nothing
break;
}
}
$this->_originalProperties = $this->properties;
}
} else {
$trailerDictionary = new Zend_Pdf_Element_Dictionary();
/**
* Document id
*/
$docId = md5(uniqid(rand(), true));
// 32 byte (128 bit) identifier
$docIdLow = substr($docId, 0, 16);
// first 16 bytes
$docIdHigh = substr($docId, 16, 16);
// second 16 bytes
$trailerDictionary->ID = new Zend_Pdf_Element_Array();
$trailerDictionary->ID->items[] = new Zend_Pdf_Element_String_Binary($docIdLow);
$trailerDictionary->ID->items[] = new Zend_Pdf_Element_String_Binary($docIdHigh);
$trailerDictionary->Size = new Zend_Pdf_Element_Numeric(0);
$this->_trailer = new Zend_Pdf_Trailer_Generator($trailerDictionary);
/**
* Document catalog indirect object.
*/
$docCatalog = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$docCatalog->Type = new Zend_Pdf_Element_Name('Catalog');
$docCatalog->Version = new Zend_Pdf_Element_Name(Zend_Pdf::PDF_VERSION);
$this->_trailer->Root = $docCatalog;
/**
* Pages container
*/
$docPages = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$docPages->Type = new Zend_Pdf_Element_Name('Pages');
$docPages->Kids = new Zend_Pdf_Element_Array();
$docPages->Count = new Zend_Pdf_Element_Numeric(0);
$docCatalog->Pages = $docPages;
}
}
/**
* Creates or loads PDF document.
*
* If $source is null, then it creates a new document.
*
* If $source is a string and $load is false, then it loads document
* from a binary string.
*
* If $source is a string and $load is true, then it loads document
* from a file.
* $revision used to roll back document to specified version
* (0 - currtent version, 1 - previous version, 2 - ...)
*
* @param string $source - PDF file to load
* @param integer $revision
* @throws Zend_Pdf_Exception
* @return Zend_Pdf
*/
public function __construct($source = null, $revision = null, $load = false)
{
$this->_objFactory = Zend_Pdf_ElementFactory::createFactory(1);
if ($source !== null) {
$this->_parser = new Zend_Pdf_Parser($source, $this->_objFactory, $load);
$this->_trailer = $this->_parser->getTrailer();
if ($revision !== null) {
$this->rollback($revision);
} else {
$this->_loadPages($this->_trailer->Root->Pages);
}
} else {
$trailerDictionary = new Zend_Pdf_Element_Dictionary();
/**
* Document id
*/
$docId = md5(uniqid(rand(), true));
// 32 byte (128 bit) identifier
$docIdLow = substr($docId, 0, 16);
// first 16 bytes
$docIdHigh = substr($docId, 16, 16);
// second 16 bytes
$trailerDictionary->ID = new Zend_Pdf_Element_Array();
$trailerDictionary->ID->items[] = new Zend_Pdf_Element_String_Binary($docIdLow);
$trailerDictionary->ID->items[] = new Zend_Pdf_Element_String_Binary($docIdHigh);
$trailerDictionary->Size = new Zend_Pdf_Element_Numeric(0);
$this->_trailer = new Zend_Pdf_Trailer_Generator($trailerDictionary);
/**
* Document catalog indirect object.
*/
$docCatalog = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$docCatalog->Type = new Zend_Pdf_Element_Name('Catalog');
$docCatalog->Version = new Zend_Pdf_Element_Name(Zend_Pdf::PDF_VERSION);
$this->_trailer->Root = $docCatalog;
/**
* Pages container
*/
$docPages = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
$docPages->Type = new Zend_Pdf_Element_Name('Pages');
$docPages->Kids = new Zend_Pdf_Element_Array();
$docPages->Count = new Zend_Pdf_Element_Numeric(0);
$docCatalog->Pages = $docPages;
}
}
/**
* Object constructor
*
* Note: PHP duplicates string, which is sent by value, only of it's updated.
* Thus we don't need to care about overhead
*
* @param mixed $source
* @param Zend_Pdf_ElementFactory $factory
* @param boolean $load
* @throws Zend_Exception
*/
public function __construct($source, Zend_Pdf_ElementFactory $factory, $load)
{
if ($load) {
if (($pdfFile = @fopen($source, 'rb')) === false) {
throw new Zend_Pdf_Exception("Can not open '{$source}' file for reading.");
}
$byteCount = filesize($source);
$data = '';
while ($byteCount > 0 && ($nextBlock = fread($pdfFile, $byteCount)) != false) {
$data .= $nextBlock;
$byteCount -= strlen($nextBlock);
}
fclose($pdfFile);
$this->_stringParser = new Zend_Pdf_StringParser($data, $factory);
} else {
$this->_stringParser = new Zend_Pdf_StringParser($source, $factory);
}
$pdfVersionComment = $this->_stringParser->readComment();
if (substr($pdfVersionComment, 0, 5) != '%PDF-') {
throw new Zend_Pdf_Exception('File is not a PDF.');
}
$pdfVersion = (double) substr($pdfVersionComment, 5);
if ($pdfVersion < 0.9 || $pdfVersion >= 1.61) {
/**
* @todo
* To support PDF versions 1.5 (Acrobat 6) and PDF version 1.7 (Acrobat 7)
* Stream compression filter must be implemented (for compressed object streams).
* Cross reference streams must be implemented
*/
throw new Zend_Pdf_Exception(sprintf('Unsupported PDF version. Zend_Pdf supports PDF 1.0-1.4. Current version - \'%f\'', $pdfVersion));
}
$this->_stringParser->offset = strrpos($this->_stringParser->data, '%%EOF');
if ($this->_stringParser->offset === false || strlen($this->_stringParser->data) - $this->_stringParser->offset > 7) {
throw new Zend_Pdf_Exception('Pdf file syntax error. End-of-fle marker expected at the end of file.');
}
$this->_stringParser->offset--;
/**
* Go to end of cross-reference table offset
*/
while (Zend_Pdf_StringParser::isWhiteSpace(ord($this->_stringParser->data[$this->_stringParser->offset])) && $this->_stringParser->offset > 0) {
$this->_stringParser->offset--;
}
/**
* Go to the start of cross-reference table offset
*/
while (!Zend_Pdf_StringParser::isWhiteSpace(ord($this->_stringParser->data[$this->_stringParser->offset])) && $this->_stringParser->offset > 0) {
$this->_stringParser->offset--;
}
/**
* Go to the end of 'startxref' keyword
*/
while (Zend_Pdf_StringParser::isWhiteSpace(ord($this->_stringParser->data[$this->_stringParser->offset])) && $this->_stringParser->offset > 0) {
$this->_stringParser->offset--;
}
/**
* Go to the white space (eol marker) before 'startxref' keyword
*/
$this->_stringParser->offset -= 9;
$nextLexeme = $this->_stringParser->readLexeme();
if ($nextLexeme != 'startxref') {
throw new Zend_Pdf_Exception(sprintf('Pdf file syntax error. \'startxref\' keyword expected. Offset - 0x%X.', $this->_stringParser->offset - strlen($nextLexeme)));
}
$startXref = $this->_stringParser->readLexeme();
if (!ctype_digit($startXref)) {
throw new Zend_Pdf_Exception(sprintf('Pdf file syntax error. Cross-reference table offset must contain only digits. Offset - 0x%X.', $this->_stringParser->offset - strlen($nextLexeme)));
}
$this->_trailer = $this->_loadXRefTable($startXref);
$factory->setObjectCount($this->_trailer->Size->value);
}
//.........这里部分代码省略.........
$imageDataTmp = '';
$smaskData = '';
switch ($color) {
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_RGB:
$colorSpace = new Zend_Pdf_Element_Name('DeviceRGB');
break;
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_GRAY:
$colorSpace = new Zend_Pdf_Element_Name('DeviceGray');
break;
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_INDEXED:
if (empty($paletteData)) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("PNG Corruption: No palette data read for indexed type PNG.");
}
$colorSpace = new Zend_Pdf_Element_Array();
$colorSpace->items[] = new Zend_Pdf_Element_Name('Indexed');
$colorSpace->items[] = new Zend_Pdf_Element_Name('DeviceRGB');
$colorSpace->items[] = new Zend_Pdf_Element_Numeric(strlen($paletteData) / 3 - 1);
$paletteObject = $this->_objectFactory->newObject(new Zend_Pdf_Element_String_Binary($paletteData));
$colorSpace->items[] = $paletteObject;
break;
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_GRAY_ALPHA:
/*
* To decode PNG's with alpha data we must create two images from one. One image will contain the Gray data
* the other will contain the Gray transparency overlay data. The former will become the object data and the latter
* will become the Shadow Mask (SMask).
*/
if ($bits > 8) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Alpha PNGs with bit depth > 8 are not yet supported");
}
$colorSpace = new Zend_Pdf_Element_Name('DeviceGray');
require_once 'Zend/Pdf/ElementFactory.php';
$decodingObjFactory = Zend_Pdf_ElementFactory::createFactory(1);
$decodingStream = $decodingObjFactory->newStreamObject($imageData);
$decodingStream->dictionary->Filter = new Zend_Pdf_Element_Name('FlateDecode');
$decodingStream->dictionary->DecodeParms = new Zend_Pdf_Element_Dictionary();
$decodingStream->dictionary->DecodeParms->Predictor = new Zend_Pdf_Element_Numeric(15);
$decodingStream->dictionary->DecodeParms->Columns = new Zend_Pdf_Element_Numeric($width);
$decodingStream->dictionary->DecodeParms->Colors = new Zend_Pdf_Element_Numeric(2);
//GreyAlpha
$decodingStream->dictionary->DecodeParms->BitsPerComponent = new Zend_Pdf_Element_Numeric($bits);
$decodingStream->skipFilters();
$pngDataRawDecoded = $decodingStream->value;
//Iterate every pixel and copy out gray data and alpha channel (this will be slow)
for ($pixel = 0, $pixelcount = $width * $height; $pixel < $pixelcount; $pixel++) {
$imageDataTmp .= $pngDataRawDecoded[$pixel * 2];
$smaskData .= $pngDataRawDecoded[$pixel * 2 + 1];
}
$compressed = false;
$imageData = $imageDataTmp;
//Overwrite image data with the gray channel without alpha
break;
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_RGB_ALPHA:
/*
* To decode PNG's with alpha data we must create two images from one. One image will contain the RGB data
* the other will contain the Gray transparency overlay data. The former will become the object data and the latter
* will become the Shadow Mask (SMask).
*/
if ($bits > 8) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Alpha PNGs with bit depth > 8 are not yet supported");
}
$colorSpace = new Zend_Pdf_Element_Name('DeviceRGB');
require_once 'Zend/Pdf/ElementFactory.php';
$decodingObjFactory = Zend_Pdf_ElementFactory::createFactory(1);
/**
* Object constructor.
* Constructor signatures:
*
* 1. Load PDF page from a parsed PDF file.
* Object factory is created by PDF parser.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Element_Dictionary $pageDict,
* Zend_Pdf_ElementFactory_Interface $factory);
* ---------------------------------------------------------
*
* 2. Clone PDF page.
* New page is created in the same context as source page. Object factory is shared.
* Thus it will be attached to the document, but need to be placed into Zend_Pdf::$pages array
* to be included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(Zend_Pdf_Page $page);
* ---------------------------------------------------------
*
* 3. Create new page with a specified pagesize.
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(string $pagesize, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
* 4. Create new page with a specified pagesize (in default user space units).
* If $factory is null then it will be created and page must be attached to the document to be
* included into output.
* ---------------------------------------------------------
* new Zend_Pdf_Page(numeric $width, numeric $height, Zend_Pdf_ElementFactory_Interface $factory = null);
* ---------------------------------------------------------
*
*
* @param mixed $param1
* @param mixed $param2
* @param mixed $param3
* @throws Zend_Pdf_Exception
*/
public function __construct($param1, $param2 = null, $param3 = null)
{
if ($param1 instanceof Zend_Pdf_Element_Reference && $param1->getType() == Zend_Pdf_Element::TYPE_DICTIONARY && $param2 instanceof Zend_Pdf_ElementFactory_Interface && $param3 === null) {
$this->_pageDictionary = $param1;
$this->_objFactory = $param2;
$this->_attached = true;
$this->_safeGS = false;
return;
} else {
if ($param1 instanceof Zend_Pdf_Page && $param2 === null && $param3 === null) {
// Clone existing page.
// Let already existing content and resources to be shared between pages
// We don't give existing content modification functionality, so we don't need "deep copy"
$this->_objFactory = $param1->_objFactory;
$this->_attached =& $param1->_attached;
$this->_safeGS = false;
$this->_pageDictionary = $this->_objFactory->newObject(new Zend_Pdf_Element_Dictionary());
foreach ($param1->_pageDictionary->getKeys() as $key) {
if ($key == 'Contents') {
// Clone Contents property
$this->_pageDictionary->Contents = new Zend_Pdf_Element_Array();
if ($param1->_pageDictionary->Contents->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
// Prepare array of content streams and add existing stream
$this->_pageDictionary->Contents->items[] = $param1->_pageDictionary->Contents;
} else {
// Clone array of the content streams
foreach ($param1->_pageDictionary->Contents->items as $srcContentStream) {
$this->_pageDictionary->Contents->items[] = $srcContentStream;
}
}
} else {
$this->_pageDictionary->{$key} = $param1->_pageDictionary->{$key};
}
}
return;
} else {
if (is_string($param1) && ($param2 === null || $param2 instanceof Zend_Pdf_ElementFactory_Interface) && $param3 === null) {
if ($param2 !== null) {
$this->_objFactory = $param2;
} else {
//require_once 'Zend/Pdf/ElementFactory.php';
$this->_objFactory = Zend_Pdf_ElementFactory::createFactory(1);
}
$this->_attached = false;
$this->_safeGS = true;
/** New page created. That's users App responsibility to track GS changes */
switch (strtolower($param1)) {
case 'a4':
$param1 = Zend_Pdf_Page::SIZE_A4;
break;
case 'a4-landscape':
$param1 = Zend_Pdf_Page::SIZE_A4_LANDSCAPE;
break;
case 'letter':
$param1 = Zend_Pdf_Page::SIZE_LETTER;
break;
case 'letter-landscape':
$param1 = Zend_Pdf_Page::SIZE_LETTER_LANDSCAPE;
break;
default:
// should be in "x:y" or "x:y:" form
//.........这里部分代码省略.........
/**
* Attach factory to the current;
*
* @param Zend_Pdf_ElementFactory $factory
*/
public function attach(Zend_Pdf_ElementFactory $factory)
{
if ($factory == $this || isset($this->_attachedFactories[$factory->getId()])) {
/**
* Don't attach factory twice.
* We do not check recusively because of nature of attach operation
* (Pages are always attached to the Documents, Fonts are always attached
* to the pages even if pages already use Document level object factory and so on)
*/
return;
}
$this->_attachedFactories[$factory->getId()] = $factory;
}
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