Added TrueType and embedded font support from Tore Engvig and

Alain Fagot

PR:
Obtained from:
Submitted by:	Tore Engvig <tengvig@infostream.no>, Alain FAGOT <Alain.FAGOT@framfab.nl>
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@194018 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 95 insertions, 0 deletions

diff --git a/src/codegen/t1font-file.xsl b/src/codegen/t1font-file.xsl
index 3e7eed0e8..27896d898 100644
--- a/src/codegen/t1font-file.xsl
+++ b/src/codegen/t1font-file.xsl
@@ -21,6 +21,13 @@ package org.apache.fop.render.pdf.fonts;
 
 import org.apache.fop.render.pdf.Font;
 import org.apache.fop.layout.FontDescriptor;
+import org.apache.fop.fonts.Glyphs;
+import org.apache.fop.pdf.PDFStream;
+import org.apache.fop.pdf.PDFT1Stream;
+import java.io.InputStream;
+import java.io.FileInputStream;
+import java.io.BufferedInputStream;
+import java.util.Hashtable;
 
 public class <xsl:value-of select="class-name"/> extends Font implements FontDescriptor {
     private final static String fontName = "<xsl:value-of select="font-name"/>";
@@ -35,17 +42,93 @@ public class <xsl:value-of select="class-name"/> extends Font implements FontDes
         <xsl:value-of select="bbox/right"/>,
         <xsl:value-of select="bbox/top"/>
     };
+    private final static String embedFileName = <xsl:value-of select="embedFile"/>;
+    private final static String embedResourceName = <xsl:value-of select="embedResource"/>;
+    private static PDFT1Stream embeddedFont=null; 
     private final static int flags = <xsl:value-of select="flags"/>;
     private final static int stemV = <xsl:value-of select="stemv"/>;
     private final static int italicAngle = <xsl:value-of select="italicangle"/>;
     private final static int firstChar = <xsl:value-of select="first-char"/>;
     private final static int lastChar = <xsl:value-of select="last-char"/>;
     private final static int[] width;
+    private final static Hashtable kerning=new Hashtable();
 
     static {
         width = new int[256];
 <xsl:for-each select="widths/char"><xsl:variable name="char-name" select="@name"/><xsl:variable name="char-num" select="document('charlist.xml')/font-mappings/map[@adobe-name=$char-name]/@win-ansi"/><xsl:if test="$char-num!='-1'">        width[<xsl:value-of select="$char-num"/>] = <xsl:value-of select="@width"/>;
 </xsl:if></xsl:for-each>
+
+    Hashtable tmptable;
+<xsl:for-each select="kerning">
+<xsl:variable name="kpx1-name" select="@kpx1"/>
+    tmptable=new Hashtable();<xsl:for-each select="pair"><xsl:variable name="kpx2-name" select="@kpx2"/><xsl:variable name="kern-name" select="@kern"/>
+    tmptable.put(Glyphs.glyphToString("<xsl:value-of select="$kpx2-name"/>"), new Integer(<xsl:value-of select="$kern-name"/>));</xsl:for-each>
+    kerning.put(Glyphs.glyphToString("<xsl:value-of select="$kpx1-name"/>"), tmptable);
+</xsl:for-each>
+    }
+
+    public final boolean hasKerningInfo() {return kerning.isEmpty();}
+    public final java.util.Hashtable getKerningInfo() {return kerning;}
+    public byte getSubType() {return org.apache.fop.pdf.PDFFont.TYPE1;}
+
+    public boolean isEmbeddable() {
+        return (embedFileName==null &amp;&amp; embedResourceName==null) ? false : true;
+    }
+
+    public PDFStream getFontFile(int i) {
+        InputStream instream=null;
+        
+        // Get file first
+        if (embedFileName!=null)
+        try {
+           instream=new FileInputStream(embedFileName);
+        } catch (Exception e) {
+           System.out.println("Failed to embed fontfile: "+embedFileName);
+        }
+   
+        // Get resource
+        if (instream==null &amp;&amp; embedResourceName!=null)
+        try {
+           instream=new BufferedInputStream(this.getClass().getResourceAsStream(embedResourceName));
+        } catch (Exception e) {
+           System.out.println("Failed to embed fontresource: "+embedResourceName);
+        }
+        
+        if (instream==null)
+            return (PDFStream)null;
+        
+        // Read fontdata
+        byte[] file = new byte[128000];
+        int fsize = 0;
+
+        try {
+          int l = instream.read(file, 0, 128000);
+          fsize += l;
+      
+          if (l==128000) {
+                 // More to read - needs to extend
+             byte[] tmpbuf;
+         
+             while (l &gt; 0) {
+                 tmpbuf = new byte[file.length + 64000];
+                 System.arraycopy(file, 0, tmpbuf, 0, file.length);
+                 l=instream.read(tmpbuf, file.length, 64000);
+                 fsize += l;
+                 file = tmpbuf;
+            
+                 if (l &lt; 64000) // whole file read. No need to loop again
+                    l=0;
+             }
+          }
+	  
+          embeddedFont=new PDFT1Stream(i, fsize);
+          embeddedFont.addFilter("flate");
+          embeddedFont.addFilter("ascii-85");
+          embeddedFont.setData(file, fsize);
+          instream.close();
+        } catch (Exception e) {}  
+
+        return (PDFStream) embeddedFont;
     }
 
     public String encoding() {
@@ -56,6 +139,18 @@ public class <xsl:value-of select="class-name"/> extends Font implements FontDes
         return fontName;
     }
 
+    public int getAscender() {
+        return ascender;
+    }
+
+    public int getCapHeight() {
+        return capHeight;
+    }
+
+    public int getDescender() {
+        return descender;
+    }
+
     public int getAscender(int size) {
         return size * ascender;
     }