/**
* Draw an image at the specified position on the page.
*
* @param Zend_Pdf_Image $image
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @return Zend_Pdf_Page
*/
public function drawImage(Zend_Pdf_Resource_Image $image, $x1, $y1, $x2, $y2)
{
$this->_addProcSet('PDF');
$imageName = $this->_attachResource('XObject', $image);
$imageNameObj = new Zend_Pdf_Element_Name($imageName);
$x1Obj = new Zend_Pdf_Element_Numeric($x1);
$y1Obj = new Zend_Pdf_Element_Numeric($y1);
$widthObj = new Zend_Pdf_Element_Numeric($x2 - $x1);
$heightObj = new Zend_Pdf_Element_Numeric($y2 - $y1);
$this->_contents .= "q\n" . '1 0 0 1 ' . $x1Obj->toString() . ' ' . $y1Obj->toString() . " cm\n" . $widthObj->toString() . ' 0 0 ' . $heightObj->toString() . " 0 0 cm\n" . $imageNameObj->toString() . " Do\n" . "Q\n";
return $this;
}
/**
* Read elemental object from a PDF stream
*
* @return Zend_Pdf_Element
* @throws Zend_Pdf_Exception
*/
public function readElement($nextLexeme = null)
{
if ($nextLexeme === null) {
$nextLexeme = $this->readLexeme();
}
/**
* Note: readElement() method is a public method and could be invoked from other classes.
* If readElement() is used not by Zend_Pdf_StringParser::getObject() method, then we should not care
* about _elements member management.
*/
switch ($nextLexeme) {
case '(':
return $this->_elements[] = $this->_readString();
case '<':
return $this->_elements[] = $this->_readBinaryString();
case '/':
return $this->_elements[] = new Zend_Pdf_Element_Name(Zend_Pdf_Element_Name::unescape($this->readLexeme()));
case '[':
return $this->_elements[] = $this->_readArray();
case '<<':
return $this->_elements[] = $this->_readDictionary();
case ')':
// fall through to next case
// fall through to next case
case '>':
// fall through to next case
// fall through to next case
case ']':
// fall through to next case
// fall through to next case
case '>>':
// fall through to next case
// fall through to next case
case '{':
// fall through to next case
// fall through to next case
case '}':
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception(sprintf('PDF file syntax error. Offset - 0x%X.', $this->offset));
default:
if (strcasecmp($nextLexeme, 'true') == 0) {
return $this->_elements[] = new Zend_Pdf_Element_Boolean(true);
} else {
if (strcasecmp($nextLexeme, 'false') == 0) {
return $this->_elements[] = new Zend_Pdf_Element_Boolean(false);
} else {
if (strcasecmp($nextLexeme, 'null') == 0) {
return $this->_elements[] = new Zend_Pdf_Element_Null();
}
}
}
$ref = $this->_readReference($nextLexeme);
if ($ref !== null) {
return $this->_elements[] = $ref;
}
return $this->_elements[] = $this->_readNumeric($nextLexeme);
}
}
/**
* Return object as string
*
* @param Zend_Pdf_Factory $factory
* @return string
*/
public function toString($factory = null)
{
$outStr = '<<';
$lastNL = 0;
foreach ($this->_items as $name => $element) {
if (!is_object($element)) {
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong data');
}
if (strlen($outStr) - $lastNL > 128) {
$outStr .= "\n";
$lastNL = strlen($outStr);
}
$nameObj = new Zend_Pdf_Element_Name($name);
$outStr .= $nameObj->toString($factory) . ' ' . $element->toString($factory) . ' ';
}
$outStr .= '>>';
return $outStr;
}
public function testUnescape()
{
$this->assertEquals(Zend_Pdf_Element_Name::unescape('My#20Cool#20Name#28#29'), 'My Cool Name()');
}
/**
* Read elemental object from a PDF stream
*
* @return Zend_Pdf_Element
* @throws Zend_Pdf_Exception
*/
private function _readElementalObject($nextLexeme = null)
{
if ($nextLexeme === null) {
$nextLexeme = $this->_readLexeme();
}
switch ($nextLexeme) {
case '(':
return $this->_elements[] = $this->_readString();
case '<':
return $this->_elements[] = $this->_readBinaryString();
case '/':
return $this->_elements[] = new Zend_Pdf_Element_Name(Zend_Pdf_Element_Name::unescape($this->_readLexeme()));
case '[':
return $this->_elements[] = $this->_readArray();
case '<<':
return $this->_elements[] = $this->_readDictionary();
case ')':
// fall through to next case
// fall through to next case
case '>':
// fall through to next case
// fall through to next case
case ']':
// fall through to next case
// fall through to next case
case '>>':
// fall through to next case
// fall through to next case
case '{':
// fall through to next case
// fall through to next case
case '}':
throw new Zend_Pdf_Exception(sprintf('PDF file syntax error. Offset - 0x%X.', $this->_current));
default:
if (strcasecmp($nextLexeme, 'true') == 0) {
return $this->_elements[] = new Zend_Pdf_Element_Boolean(true);
} else {
if (strcasecmp($nextLexeme, 'false') == 0) {
return $this->_elements[] = new Zend_Pdf_Element_Boolean(false);
} else {
if (strcasecmp($nextLexeme, 'null') == 0) {
return $this->_elements[] = new Zend_Pdf_Element_Null();
}
}
}
$ref = $this->_readReference($nextLexeme);
if ($ref !== null) {
return $this->_elements[] = $ref;
}
return $this->_elements[] = $this->_readNumeric($nextLexeme);
}
}
/**
* Return object as string
*
* @param Zend_Pdf_Factory $factory
* @return string
*/
public function toString($factory = null)
{
$outStr = '<<';
$lastNL = 0;
foreach ($this->_items as $name => $element) {
if (strlen($outStr) - $lastNL > 128) {
$outStr .= "\n";
$lastNL = strlen($outStr);
}
$nameObj = new Zend_Pdf_Element_Name($name);
$outStr .= $nameObj->toString($factory) . ' ' . $element->toString($factory) . ' ';
}
$outStr .= '>>';
return $outStr;
}
