path: root/lib/pdfbox-1646.patch

Index: fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java
===================================================================
--- fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java	(revision 1546564)
+++ fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java	(working copy)
@@ -36,7 +36,7 @@
 import org.apache.fontbox.cff.encoding.CFFStandardEncoding;
 
 /**
- * This class represents a parser for a CFF font. 
+ * This class represents a parser for a CFF font.
  * @author Villu Ruusmann
  * @version $Revision: 1.0 $
  */
@@ -107,7 +107,11 @@
         {
             input.setPosition(0);
         }
+    	return parse(input);
+    }
 
+    public List<CFFFont> parse(CFFDataInput input) throws IOException {
+        this.input = input;
         header = readHeader(input);
         nameIndex = readIndexData(input);
         topDictIndex = readIndexData(input);
@@ -119,6 +123,7 @@
         {
             CFFFont font = parseFont(i);
             font.setGlobalSubrIndex(globalSubrIndex);
+            font.constructMappings();
             fonts.add(font);
         }
         return fonts;
@@ -145,7 +150,7 @@
         return cffHeader;
     }
 
-    private static IndexData readIndexData(CFFDataInput input) throws IOException
+    public static IndexData readIndexData(CFFDataInput input) throws IOException
     {
         int count = input.readCard16();
         IndexData index = new IndexData(count);
@@ -179,7 +184,8 @@
         return dict;
     }
 
-    private static DictData.Entry readEntry(CFFDataInput input) throws IOException
+    private static DictData.Entry readEntry(CFFDataInput input)
+            throws IOException
     {
         DictData.Entry entry = new DictData.Entry();
         while (true)
@@ -211,13 +217,15 @@
         return entry;
     }
 
-    private static CFFOperator readOperator(CFFDataInput input, int b0) throws IOException
+    private static CFFOperator readOperator(CFFDataInput input, int b0)
+            throws IOException
     {
         CFFOperator.Key key = readOperatorKey(input, b0);
         return CFFOperator.getOperator(key);
     }
 
-    private static CFFOperator.Key readOperatorKey(CFFDataInput input, int b0) throws IOException
+    private static CFFOperator.Key readOperatorKey(CFFDataInput input, int b0)
+            throws IOException
     {
         if (b0 == 12)
         {
@@ -227,7 +235,8 @@
         return new CFFOperator.Key(b0);
     }
 
-    private static Integer readIntegerNumber(CFFDataInput input, int b0) throws IOException
+    private static Integer readIntegerNumber(CFFDataInput input, int b0)
+            throws IOException
     {
         if (b0 == 28)
         {
@@ -263,7 +272,8 @@
         }
     }
 
-    private static Double readRealNumber(CFFDataInput input, int b0) throws IOException
+    private static Double readRealNumber(CFFDataInput input, int b0)
+            throws IOException
     {
         StringBuffer sb = new StringBuffer();
         boolean done = false;
@@ -446,9 +456,9 @@
                 throw new IOException("FDArray is missing for a CIDKeyed Font.");
             }
 
-            int fontDictOffset = fdArrayEntry.getNumber(0).intValue();
-            input.setPosition(fontDictOffset);
-            IndexData fdIndex = readIndexData(input);
+        	int fontDictOffset = fdArrayEntry.getNumber(0).intValue();
+        	input.setPosition(fontDictOffset);
+        	IndexData fdIndex = readIndexData(input);
 
             List<Map<String, Object>> privateDictionaries = new LinkedList<Map<String, Object>>();
             List<Map<String, Object>> fontDictionaries = new LinkedList<Map<String, Object>>();
@@ -577,8 +587,8 @@
         {
             return CFFStandardString.getName(index);
         }
-        if (index - 391 <= stringIndex.getCount())
-        {
+        if (index - 391 < stringIndex.getCount()) 
+		{
             DataInput dataInput = new DataInput(stringIndex.getBytes(index - 391));
             return dataInput.getString();
         }
@@ -620,7 +630,8 @@
         return entry != null ? entry.getArray() : defaultValue;
     }
 
-    private CFFEncoding readEncoding(CFFDataInput dataInput, int[] gids) throws IOException
+    private CFFEncoding readEncoding(CFFDataInput dataInput, int[] gids)
+            throws IOException
     {
         int format = dataInput.readCard8();
         int baseFormat = format & 0x7f;
@@ -639,7 +650,8 @@
         }
     }
 
-    private Format0Encoding readFormat0Encoding(CFFDataInput dataInput, int format, int[] gids) throws IOException
+    private Format0Encoding readFormat0Encoding(CFFDataInput dataInput, int format,
+            int[] gids) throws IOException
     {
         Format0Encoding encoding = new Format0Encoding();
         encoding.format = format;
@@ -657,7 +669,8 @@
         return encoding;
     }
 
-    private Format1Encoding readFormat1Encoding(CFFDataInput dataInput, int format, int[] gids) throws IOException
+    private Format1Encoding readFormat1Encoding(CFFDataInput dataInput, int format,
+            int[] gids) throws IOException
     {
         Format1Encoding encoding = new Format1Encoding();
         encoding.format = format;
@@ -683,7 +696,8 @@
         return encoding;
     }
 
-    private void readSupplement(CFFDataInput dataInput, EmbeddedEncoding encoding) throws IOException
+    private void readSupplement(CFFDataInput dataInput, EmbeddedEncoding encoding)
+            throws IOException
     {
         encoding.nSups = dataInput.readCard8();
         encoding.supplement = new EmbeddedEncoding.Supplement[encoding.nSups];
@@ -738,15 +752,14 @@
         fdselect.fds = new int[nGlyphs];
         for (int i = 0; i < fdselect.fds.length; i++)
         {
-            fdselect.fds[i] = dataInput.readCard8();
-
+        	fdselect.fds[i] = dataInput.readCard8();
         }
         return fdselect;
     }
 
     /**
      * Read the Format 3 of the FDSelect data structure.
-     * 
+     *
      * @param dataInput
      * @param format
      * @param nGlyphs
@@ -768,7 +781,6 @@
             r3.first = dataInput.readCard16();
             r3.fd = dataInput.readCard8();
             fdselect.range3[i] = r3;
-
         }
 
         fdselect.sentinel = dataInput.readCard16();
@@ -902,7 +914,8 @@
         }
     }
 
-    private CFFCharset readCharset(CFFDataInput dataInput, int nGlyphs) throws IOException
+    private CFFCharset readCharset(CFFDataInput dataInput, int nGlyphs)
+            throws IOException
     {
         int format = dataInput.readCard8();
         if (format == 0)
@@ -923,7 +936,8 @@
         }
     }
 
-    private Format0Charset readFormat0Charset(CFFDataInput dataInput, int format, int nGlyphs) throws IOException
+    private Format0Charset readFormat0Charset(CFFDataInput dataInput, int format,
+            int nGlyphs) throws IOException
     {
         Format0Charset charset = new Format0Charset();
         charset.format = format;
@@ -936,7 +950,8 @@
         return charset;
     }
 
-    private Format1Charset readFormat1Charset(CFFDataInput dataInput, int format, int nGlyphs) throws IOException
+    private Format1Charset readFormat1Charset(CFFDataInput dataInput, int format,
+            int nGlyphs) throws IOException
     {
         Format1Charset charset = new Format1Charset();
         charset.format = format;
@@ -957,7 +972,8 @@
         return charset;
     }
 
-    private Format2Charset readFormat2Charset(CFFDataInput dataInput, int format, int nGlyphs) throws IOException
+    private Format2Charset readFormat2Charset(CFFDataInput dataInput, int format,
+            int nGlyphs) throws IOException
     {
         Format2Charset charset = new Format2Charset();
         charset.format = format;
@@ -981,7 +997,7 @@
     }
 
     /**
-     * Inner class holding the header of a CFF font. 
+     * Inner class holding the header of a CFF font.
      */
     private static class Header
     {
@@ -999,7 +1015,7 @@
     }
 
     /**
-     * Inner class holding the DictData of a CFF font. 
+     * Inner class holding the DictData of a CFF font.
      */
     private static class DictData
     {
@@ -1030,7 +1046,7 @@
         }
 
         /**
-         * {@inheritDoc} 
+         * {@inheritDoc}
          */
         public String toString()
         {
@@ -1038,7 +1054,7 @@
         }
 
         /**
-         * Inner class holding an operand of a CFF font. 
+         * Inner class holding an operand of a CFF font.
          */
         private static class Entry
         {
@@ -1100,7 +1116,7 @@
     }
 
     /**
-     * Inner class representing an embedded CFF encoding. 
+     * Inner class representing an embedded CFF encoding.
      */
     abstract static class EmbeddedEncoding extends CFFEncoding
     {
@@ -1124,7 +1140,7 @@
         }
 
         /**
-         * Inner class representing a supplement for an encoding. 
+         * Inner class representing a supplement for an encoding.
          */
         static class Supplement
         {
@@ -1150,7 +1166,7 @@
     }
 
     /**
-     * Inner class representing a Format0 encoding. 
+     * Inner class representing a Format0 encoding.
      */
     private static class Format0Encoding extends EmbeddedEncoding
     {
@@ -1167,7 +1183,7 @@
     }
 
     /**
-     * Inner class representing a Format1 encoding. 
+     * Inner class representing a Format1 encoding.
      */
     private static class Format1Encoding extends EmbeddedEncoding
     {
@@ -1183,7 +1199,7 @@
         }
 
         /**
-         * Inner class representing a range of an encoding. 
+         * Inner class representing a range of an encoding.
          */
         private static class Range1
         {
@@ -1193,13 +1209,20 @@
             @Override
             public String toString()
             {
-                return getClass().getName() + "[first=" + first + ", nLeft=" + nLeft + "]";
+                return getClass().getName() + "[first=" + first + ", nLeft="
+                        + nLeft + "]";
             }
+
+            @Override
+            public boolean equals(Object obj) {
+                Range1 r = (Range1)obj;
+                return (first == r.first && nLeft == r.nLeft);
+            }
         }
     }
 
     /**
-     * Inner class representing an embedded CFF charset. 
+     * Inner class representing an embedded CFF charset.
      */
     abstract static class EmbeddedCharset extends CFFCharset
     {
@@ -1211,7 +1234,7 @@
     }
 
     /**
-     * Inner class representing a Format0 charset. 
+     * Inner class representing a Format0 charset.
      */
     private static class Format0Charset extends EmbeddedCharset
     {
@@ -1226,7 +1249,7 @@
     }
 
     /**
-     * Inner class representing a Format1 charset. 
+     * Inner class representing a Format1 charset.
      */
     private static class Format1Charset extends EmbeddedCharset
     {
@@ -1240,7 +1263,7 @@
         }
 
         /**
-         * Inner class representing a range of a charset. 
+         * Inner class representing a range of a charset.
          */
         private static class Range1
         {
@@ -1256,7 +1279,7 @@
     }
 
     /**
-     * Inner class representing a Format2 charset. 
+     * Inner class representing a Format2 charset.
      */
     private static class Format2Charset extends EmbeddedCharset
     {
@@ -1270,7 +1293,7 @@
         }
 
         /**
-         * Inner class representing a range of a charset. 
+         * Inner class representing a range of a charset.
          */
         private static class Range2
         {
@@ -1284,4 +1307,8 @@
             }
         }
     }
+
+    public IndexData getStringIndex() {
+        return stringIndex;
+    }
 }
Index: fontbox/src/main/java/org/apache/fontbox/cff/CFFFont.java
===================================================================
--- fontbox/src/main/java/org/apache/fontbox/cff/CFFFont.java	(revision 1546564)
+++ fontbox/src/main/java/org/apache/fontbox/cff/CFFFont.java	(working copy)
@@ -31,7 +31,7 @@
 
 /**
  * This class represents a CFF/Type2 Font.
- * 
+ *
  * @author Villu Ruusmann
  * @version $Revision$
  */
@@ -44,6 +44,8 @@
 	private CFFEncoding fontEncoding = null;
 	private CFFCharset fontCharset = null;
 	private Map<String, byte[]> charStringsDict = new LinkedHashMap<String, byte[]>();
+    Map<Integer, Mapping> sidMappings = null;
+    ArrayList<Mapping> gidMappings = null;
 	private IndexData globalSubrIndex = null;
 	private IndexData localSubrIndex = null;
 
@@ -97,6 +99,7 @@
 			topDict.put(name, value);
 		}
 	}
+
 	/** 
 	 * Returns the top dictionary.
 	 * @return the dictionary
@@ -107,7 +110,7 @@
 	}
 
 	/**
-	 * Adds the given key/value pair to the private dictionary. 
+	 * Adds the given key/value pair to the private dictionary.
 	 * @param name the given key
 	 * @param value the given value
 	 */
@@ -118,7 +121,8 @@
 			privateDict.put(name, value);
 		}
 	}
-	/** 
+
+	/**
 	 * Returns the private dictionary.
 	 * @return the dictionary
 	 */
@@ -127,14 +131,60 @@
 		return privateDict;
 	}
 
+    /**
+     * Returns a mapping for a given GID
+     * @param GID The given GID
+     * @return The found mapping
+     */
+    public Mapping getMapping(int GID) {
+        return sidMappings.get(GID);
+    }
+
 	/**
-	 * Get the mapping (code/SID/charname/bytes) for this font.
-	 * @return mappings for codes < 256 and for codes > = 256
-	 */
-	public Collection<Mapping> getMappings()
+     * Get the mapping (code/SID/charname/bytes) for this font.
+     * @return mappings for codes < 256 and for codes > = 256
+     */
+	public Collection<Mapping> getMappings() {
+        constructMappings();
+	    return sidMappings.values();
+	}
+
+    /**
+     * Gets the GID mappings list.
+     */
+	public ArrayList<Mapping> getGIDMappings() {
+	    return gidMappings;
+	}
+
+	private void constructGIDMap() {
+	    gidMappings = new ArrayList<Mapping>();
+	    Mapping notdef = new Mapping();
+	    notdef.setName(".notdef");
+	    gidMappings.add(notdef);
+        for (CFFCharset.Entry entry : fontCharset.getEntries())
+        {
+            String name = entry.getName();
+            byte[] bytes = this.charStringsDict.get(name);
+            if (bytes == null)
+            {
+                continue;
+            }
+            Mapping mapping = new Mapping();
+            mapping.setSID(entry.getSID());
+            mapping.setName(name);
+            mapping.setBytes(bytes);
+            gidMappings.add(mapping);
+        }
+	}
+
+    /**
+     * Construct the mappings.
+     */
+	public void constructMappings()
 	{
-		List<Mapping> mappings = new ArrayList<Mapping>();
-		Set<String> mappedNames = new HashSet<String>();
+	    constructGIDMap();
+	    sidMappings = new LinkedHashMap<Integer, Mapping>();
+	    Set<String> mappedNames = new HashSet<String>();
 		for (CFFEncoding.Entry entry : fontEncoding.getEntries())
 		{
 			String charName = fontCharset.getName(entry.getSID());
@@ -153,7 +203,7 @@
 			mapping.setSID(entry.getSID());
 			mapping.setName(charName);
 			mapping.setBytes(bytes);
-			mappings.add(mapping);
+			sidMappings.put(mapping.getSID(), mapping);
 			mappedNames.add(charName);
 		}
 		if (fontEncoding instanceof CFFParser.EmbeddedEncoding)
@@ -177,7 +227,7 @@
 				mapping.setSID(supplement.getGlyph());
 				mapping.setName(charName);
 				mapping.setBytes(bytes);
-				mappings.add(mapping);
+				sidMappings.put(mapping.getSID(), mapping);
 				mappedNames.add(charName);
 			}
 		}
@@ -185,7 +235,7 @@
 		int code = 256;
 		for (CFFCharset.Entry entry : fontCharset.getEntries())
 		{
-			String name = entry.getName();
+		    String name = entry.getName();
 			if (mappedNames.contains(name))
 			{
 				continue;
@@ -201,11 +251,10 @@
 			mapping.setName(name);
 			mapping.setBytes(bytes);
 
-			mappings.add(mapping);
+			sidMappings.put(mapping.getSID(), mapping);
 
 			mappedNames.add(name);
 		}
-		return mappings;
 	}
 
 	/**
@@ -215,34 +264,43 @@
 	 * @return -1 if the SID is missing from the Font.
 	 * @throws IOException
 	 */
-	public int getWidth(int SID) throws IOException {
-		int nominalWidth = privateDict.containsKey("nominalWidthX") ? ((Number)privateDict.get("nominalWidthX")).intValue() : 0;
-		int defaultWidth = privateDict.containsKey("defaultWidthX") ? ((Number)privateDict.get("defaultWidthX")).intValue() : 1000 ;
-		
-		for (Mapping m : getMappings() ){
-			if (m.getSID() == SID) {
+    public int getWidth(int SID) throws IOException {
+        int nominalWidth = privateDict.containsKey("nominalWidthX") ? ((Number) privateDict.get("nominalWidthX")).intValue() : 0;
+        int defaultWidth = privateDict.containsKey("defaultWidthX") ? ((Number) privateDict.get("defaultWidthX")).intValue() : 1000;
+        Mapping m = sidMappings.get(SID);
+        if (m != null) {
+            CharStringRenderer csr = getRendererForMapping(m);
+            // ---- If the CharString has a Width nominalWidthX must be added,
+            // otherwise it is the default width.
+            return csr.getWidth() != 0 ? csr.getWidth() + nominalWidth : defaultWidth;
+        }
 
-				CharStringRenderer csr = null;
-				if (((Number)getProperty("CharstringType")).intValue() == 2 ) {
-					List<Object> lSeq = m.toType2Sequence();
-					csr = new CharStringRenderer(false);
-					csr.render(lSeq);
-				} else {
-					List<Object> lSeq = m.toType1Sequence();
-					csr = new CharStringRenderer();
-					csr.render(lSeq);
-				}
+        // ---- SID Width not found, return the nodef width
+        return getNotDefWidth(defaultWidth, nominalWidth);
+    }
 
-				// ---- If the CharString has a Width nominalWidthX must be added, 
-				//	    otherwise it is the default width.
-				return csr.getWidth() != 0 ? csr.getWidth() + nominalWidth : defaultWidth;
-			}
-		}
+    private CharStringRenderer getRendererForMapping(Mapping m) throws IOException {
+        CharStringRenderer csr = null;
+        if (((Number) getProperty("CharstringType")).intValue() == 2) {
+            List<Object> lSeq = m.toType2Sequence();
+            csr = new CharStringRenderer(false);
+            csr.render(lSeq);
+        } else {
+            List<Object> lSeq = m.toType1Sequence();
+            csr = new CharStringRenderer();
+            csr.render(lSeq);
+        }
+        return csr;
+    }
 
-		// ---- SID Width not found, return the nodef width
-		return getNotDefWidth(defaultWidth, nominalWidth);
-	}
-	
+    /**
+     * Returns the witdth of the .notdef character.
+     * 
+     * @param defaultWidth default width
+     * @param nominalWidth nominal width
+     * @return the calculated width for the .notdef character
+     * @throws IOException if something went wrong
+     */
 	protected int getNotDefWidth(int defaultWidth, int nominalWidth) throws IOException {
 		CharStringRenderer csr;
 		byte[] glyphDesc = this.getCharStringsDict().get(".notdef");
@@ -260,6 +318,36 @@
 		return csr.getWidth() != 0 ? csr.getWidth() + nominalWidth : defaultWidth;
 	}
 	
+    /**
+     * Return the Width value of the given Glyph identifier
+     *
+     * @param SID
+     * @return -1 if the SID is missing from the Font.
+     * @throws IOException
+     */
+    public int[] getBoundingBox(int SID) throws IOException {
+        Mapping m = sidMappings.get(SID);
+        if (m != null) {
+            CharStringRenderer csr = getRendererForMapping(m);
+            return csr.getBounds();
+        }
+        // ---- SID Width not found, return the nodef width
+        return new int[4];
+    }
+
+    /**
+     * Gets the name of a character from the given SID
+     * @param SID The given SID
+     * @return The name of the found character
+     */
+    public String getNameOfCharFromCode(int SID) {
+        if (sidMappings.get(SID) != null) {
+            return sidMappings.get(SID).getName();
+        } else {
+            return "";
+        }
+    }
+
 	/**
 	 * Returns the CFFEncoding of the font.
 	 * @return the encoding
@@ -336,50 +424,51 @@
 				+ charStringsDict + "]";
 	}
 
+    /**
+     * Sets the global subroutine index data.
+     * @param globalSubrIndex the IndexData object containing the global subroutines
+     */
+    public void setGlobalSubrIndex(IndexData globalSubrIndexValue) {
+        globalSubrIndex = globalSubrIndexValue;
+    }
 
-	/**
-	 * Sets the global subroutine index data.
-	 * @param globalSubrIndex the IndexData object containing the global subroutines 
-	 */
-	public void setGlobalSubrIndex(IndexData globalSubrIndex) {
-		this.globalSubrIndex = globalSubrIndex;
-	}
+    /**
+     * Returns the global subroutine index data.
+     * @return the dictionary
+     */
+    public IndexData getGlobalSubrIndex()
+    {
+        return globalSubrIndex;
+    }
 
-	/** 
-	 * Returns the global subroutine index data.
-	 * @return the dictionary
-	 */
-	public IndexData getGlobalSubrIndex() {
-		return globalSubrIndex;
-	}
+    /**
+     * Returns the local subroutine index data.
+     * @return the dictionary
+     */
+    public IndexData getLocalSubrIndex()
+    {
+        return localSubrIndex;
+    }
 
-	/** 
-	 * Returns the local subroutine index data.
-	 * @return the dictionary
-	 */
-	public IndexData getLocalSubrIndex() {
-		return localSubrIndex;
-	}
+    /**
+     * Sets the local subroutine index data.
+     * @param localSubrIndexValue the IndexData object containing the local subroutines
+     */
+    public void setLocalSubrIndex(IndexData localSubrIndexValue) {
+        localSubrIndex = localSubrIndexValue;
+    }
 
-	/**
-	 * Sets the local subroutine index data.
-	 * @param localSubrIndex the IndexData object containing the local subroutines 
-	 */
-	public void setLocalSubrIndex(IndexData localSubrIndex) {
-		this.localSubrIndex = localSubrIndex;	
-	}
+    /**
+     * This class is used for the font mapping.
+     * 
+     */
+    public class Mapping
+    {
+        private int mappedCode;
+        private int mappedSID;
+        private String mappedName;
+        private byte[] mappedBytes;
 
-	/**
-	 * This class is used for the font mapping.
-	 *
-	 */
-	public class Mapping
-	{
-		private int mappedCode;
-		private int mappedSID;
-		private String mappedName;
-		private byte[] mappedBytes;
-
 		/**
 		 * Converts the mapping into a Type1-sequence.
 		 * @return the Type1-sequence
@@ -458,4 +547,4 @@
 			this.mappedBytes = bytes;
 		}
 	}
-}
\ No newline at end of file
+}