--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Pdf/Resource/Font/Extracted.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,274 @@
+<?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 Fonts
+ * @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: Extracted.php 20866 2010-02-03 05:30:07Z yoshida@zend.co.jp $
+ */
+
+
+/** @see Zend_Pdf_Resource_Font */
+require_once 'Zend/Pdf/Resource/Font.php';
+
+/**
+ * Extracted fonts implementation
+ *
+ * Thes class allows to extract fonts already mentioned within PDF document and use them
+ * for text drawing.
+ *
+ * @package Zend_Pdf
+ * @subpackage Fonts
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Pdf_Resource_Font_Extracted extends Zend_Pdf_Resource_Font
+{
+ /**
+ * Messages
+ */
+ const TYPE_NOT_SUPPORTED = 'Unsupported font type.';
+ const ENCODING_NOT_SUPPORTED = 'Font encoding is not supported';
+ const OPERATION_NOT_SUPPORTED = 'Operation is not supported for extracted fonts';
+
+ /**
+ * Extracted font encoding
+ *
+ * Only 'Identity-H' and 'WinAnsiEncoding' encodings are supported now
+ *
+ * @var string
+ */
+ protected $_encoding = null;
+
+ /**
+ * Object constructor
+ *
+ * $fontDictionary is a Zend_Pdf_Element_Reference or Zend_Pdf_Element_Object object
+ *
+ * @param mixed $fontDictionary
+ * @throws Zend_Pdf_Exception
+ */
+ public function __construct($fontDictionary)
+ {
+ // Extract object factory and resource object from font dirctionary object
+ $this->_objectFactory = $fontDictionary->getFactory();
+ $this->_resource = $fontDictionary;
+
+ if ($fontDictionary->Encoding !== null) {
+ $this->_encoding = $fontDictionary->Encoding->value;
+ }
+
+ switch ($fontDictionary->Subtype->value) {
+ case 'Type0':
+ // Composite type 0 font
+ if (count($fontDictionary->DescendantFonts->items) != 1) {
+ // Multiple descendant fonts are not supported
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::TYPE_NOT_SUPPORTED);
+ }
+
+ $fontDictionaryIterator = $fontDictionary->DescendantFonts->items->getIterator();
+ $fontDictionaryIterator->rewind();
+ $descendantFont = $fontDictionaryIterator->current();
+ $fontDescriptor = $descendantFont->FontDescriptor;
+ break;
+
+ case 'Type1':
+ if ($fontDictionary->FontDescriptor === null) {
+ // That's one of the standard fonts
+ $standardFont = Zend_Pdf_Font::fontWithName($fontDictionary->BaseFont->value);
+
+ $this->_fontNames = $standardFont->getFontNames();
+ $this->_isBold = $standardFont->isBold();
+ $this->_isItalic = $standardFont->isItalic();
+ $this->_isMonospace = $standardFont->isMonospace();
+ $this->_underlinePosition = $standardFont->getUnderlinePosition();
+ $this->_underlineThickness = $standardFont->getUnderlineThickness();
+ $this->_strikePosition = $standardFont->getStrikePosition();
+ $this->_strikeThickness = $standardFont->getStrikeThickness();
+ $this->_unitsPerEm = $standardFont->getUnitsPerEm();
+ $this->_ascent = $standardFont->getAscent();
+ $this->_descent = $standardFont->getDescent();
+ $this->_lineGap = $standardFont->getLineGap();
+
+ return;
+ }
+
+ $fontDescriptor = $fontDictionary->FontDescriptor;
+ break;
+
+ case 'TrueType':
+ $fontDescriptor = $fontDictionary->FontDescriptor;
+ break;
+
+ default:
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::TYPE_NOT_SUPPORTED);
+ }
+
+ $this->_fontNames[Zend_Pdf_Font::NAME_POSTSCRIPT]['en'] = iconv('UTF-8', 'UTF-16BE', $fontDictionary->BaseFont->value);
+
+ $this->_isBold = false; // this property is actually not used anywhere
+ $this->_isItalic = ( ($fontDescriptor->Flags->value & (1 << 6)) != 0 ); // Bit-7 is set
+ $this->_isMonospace = ( ($fontDescriptor->Flags->value & (1 << 0)) != 0 ); // Bit-1 is set
+ $this->_underlinePosition = null; // Can't be extracted
+ $this->_underlineThickness = null; // Can't be extracted
+ $this->_strikePosition = null; // Can't be extracted
+ $this->_strikeThickness = null; // Can't be extracted
+ $this->_unitsPerEm = null; // Can't be extracted
+ $this->_ascent = $fontDescriptor->Ascent->value;
+ $this->_descent = $fontDescriptor->Descent->value;
+ $this->_lineGap = null; // Can't be extracted
+ }
+
+ /**
+ * Returns an array of glyph numbers corresponding to the Unicode characters.
+ *
+ * If a particular character doesn't exist in this font, the special 'missing
+ * character glyph' will be substituted.
+ *
+ * See also {@link glyphNumberForCharacter()}.
+ *
+ * @param array $characterCodes Array of Unicode character codes (code points).
+ * @return array Array of glyph numbers.
+ */
+ public function glyphNumbersForCharacters($characterCodes)
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::OPERATION_NOT_SUPPORTED);
+ }
+
+ /**
+ * Returns the glyph number corresponding to the Unicode character.
+ *
+ * If a particular character doesn't exist in this font, the special 'missing
+ * character glyph' will be substituted.
+ *
+ * See also {@link glyphNumbersForCharacters()} which is optimized for bulk
+ * operations.
+ *
+ * @param integer $characterCode Unicode character code (code point).
+ * @return integer Glyph number.
+ */
+ public function glyphNumberForCharacter($characterCode)
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::OPERATION_NOT_SUPPORTED);
+ }
+
+ /**
+ * Returns a number between 0 and 1 inclusive that indicates the percentage
+ * of characters in the string which are covered by glyphs in this font.
+ *
+ * Since no one font will contain glyphs for the entire Unicode character
+ * range, this method can be used to help locate a suitable font when the
+ * actual contents of the string are not known.
+ *
+ * Note that some fonts lie about the characters they support. Additionally,
+ * fonts don't usually contain glyphs for control characters such as tabs
+ * and line breaks, so it is rare that you will get back a full 1.0 score.
+ * The resulting value should be considered informational only.
+ *
+ * @param string $string
+ * @param string $charEncoding (optional) Character encoding of source text.
+ * If omitted, uses 'current locale'.
+ * @return float
+ */
+ public function getCoveredPercentage($string, $charEncoding = '')
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::OPERATION_NOT_SUPPORTED);
+ }
+
+ /**
+ * Returns the widths of the glyphs.
+ *
+ * The widths are expressed in the font's glyph space. You are responsible
+ * for converting to user space as necessary. See {@link unitsPerEm()}.
+ *
+ * See also {@link widthForGlyph()}.
+ *
+ * @param array $glyphNumbers Array of glyph numbers.
+ * @return array Array of glyph widths (integers).
+ * @throws Zend_Pdf_Exception
+ */
+ public function widthsForGlyphs($glyphNumbers)
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::OPERATION_NOT_SUPPORTED);
+ }
+
+ /**
+ * Returns the width of the glyph.
+ *
+ * Like {@link widthsForGlyphs()} but used for one glyph at a time.
+ *
+ * @param integer $glyphNumber
+ * @return integer
+ * @throws Zend_Pdf_Exception
+ */
+ public function widthForGlyph($glyphNumber)
+ {
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::OPERATION_NOT_SUPPORTED);
+ }
+
+ /**
+ * Convert string to the font encoding.
+ *
+ * The method is used to prepare string for text drawing operators
+ *
+ * @param string $string
+ * @param string $charEncoding Character encoding of source text.
+ * @return string
+ */
+ public function encodeString($string, $charEncoding)
+ {
+ if ($this->_encoding == 'Identity-H') {
+ return iconv($charEncoding, 'UTF-16BE', $string);
+ }
+
+ if ($this->_encoding == 'WinAnsiEncoding') {
+ return iconv($charEncoding, 'CP1252//IGNORE', $string);
+ }
+
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::ENCODING_NOT_SUPPORTED);
+ }
+
+ /**
+ * Convert string from the font encoding.
+ *
+ * The method is used to convert strings retrieved from existing content streams
+ *
+ * @param string $string
+ * @param string $charEncoding Character encoding of resulting text.
+ * @return string
+ */
+ public function decodeString($string, $charEncoding)
+ {
+ if ($this->_encoding == 'Identity-H') {
+ return iconv('UTF-16BE', $charEncoding, $string);
+ }
+
+ if ($this->_encoding == 'WinAnsiEncoding') {
+ return iconv('CP1252', $charEncoding, $string);
+ }
+
+ require_once 'Zend/Pdf/Exception.php';
+ throw new Zend_Pdf_Exception(self::ENCODING_NOT_SUPPORTED);
+ }
+}