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package org.pdfbox.pdmodel.font;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.fontbox.afm.AFMParser;
import org.fontbox.afm.CharMetric;
import org.fontbox.afm.FontMetric;
import org.fontbox.pfb.PfbParser;
import org.pdfbox.encoding.AFMEncoding;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.common.PDRectangle;
import org.pdfbox.pdmodel.common.PDStream;
/**
* This is implementation of the Type1 Font
* with a afm and a pfb file.
*
* @author <a href="mailto:m.g.n@gmx.de">Michael Niedermair</a>
* @version $Revision: 1.5 $
*/
public class PDType1AfmPfbFont extends PDType1Font
{
/**
* the buffersize.
*/
private static final int BUFFERSIZE = 0xffff;
/**
* The font descriptor.
*/
private PDFontDescriptorDictionary fd;
/**
* The font metric.
*/
private FontMetric metric;
/**
* Create a new object.
* @param doc The PDF document that will hold the embedded font.
* @param afmname The font filename.
* @throws IOException If there is an error loading the data.
*/
public PDType1AfmPfbFont(final PDDocument doc, final String afmname)
throws IOException
{
super();
InputStream afmin = new BufferedInputStream(
new FileInputStream(afmname), BUFFERSIZE);
String pfbname = afmname.replaceAll(".AFM", "").replaceAll(".afm", "")
+ ".pfb";
InputStream pfbin = new BufferedInputStream(
new FileInputStream(pfbname), BUFFERSIZE);
load(doc, afmin, pfbin);
}
/**
* Create a new object.
* @param doc The PDF document that will hold the embedded font.
* @param afm The afm input.
* @param pfb The pfb input.
* @throws IOException If there is an error loading the data.
*/
public PDType1AfmPfbFont(final PDDocument doc, final InputStream afm, final InputStream pfb)
throws IOException
{
super();
load(doc, afm, pfb);
}
/**
* This will load a afm and pfb to be embedding into a document.
*
* @param doc The PDF document that will hold the embedded font.
* @param afm The afm input.
* @param pfb The pfb input.
* @throws IOException If there is an error loading the data.
*/
private void load(final PDDocument doc, final InputStream afm,
final InputStream pfb) throws IOException
{
fd = new PDFontDescriptorDictionary();
setFontDescriptor(fd);
// read the pfb
PfbParser pfbparser = new PfbParser(pfb);
pfb.close();
PDStream fontStream = new PDStream(doc, pfbparser.getInputStream(),
false);
fontStream.getStream().setInt("Length", pfbparser.size());
for (int i = 0; i < pfbparser.getLengths().length; i++)
{
fontStream.getStream().setInt("Length" + (i + 1),
pfbparser.getLengths()[i]);
}
fontStream.addCompression();
fd.setFontFile(fontStream);
// read the afm
AFMParser parser = new AFMParser(afm);
parser.parse();
metric = parser.getResult();
setEncoding(new AFMEncoding(metric));
// set the values
setBaseFont(metric.getFontName());
fd.setFontName(metric.getFontName());
fd.setFontFamily(metric.getFamilyName());
fd.setNonSymbolic(true);
fd.setFontBoundingBox(new PDRectangle(metric.getFontBBox()));
fd.setItalicAngle(metric.getItalicAngle());
fd.setAscent(metric.getAscender());
fd.setDescent(metric.getDescender());
fd.setCapHeight(metric.getCapHeight());
fd.setXHeight(metric.getXHeight());
fd.setAverageWidth(metric.getAverageCharacterWidth());
fd.setCharacterSet(metric.getCharacterSet());
// get firstchar, lastchar
int firstchar = 255;
int lastchar = 0;
// widths
List listmetric = metric.getCharMetrics();
int maxWidths = 256;
List widths = new ArrayList(maxWidths);
Integer zero = new Integer(0);
Iterator iter = listmetric.iterator();
while (iter.hasNext())
{
CharMetric m = (CharMetric) iter.next();
int n = m.getCharacterCode();
if (n > 0)
{
firstchar = Math.min(firstchar, n);
lastchar = Math.max(lastchar, n);
if (m.getWx() > 0)
{
float width = m.getWx();
widths.add(new Float(width));
}
else
{
widths.add(zero);
}
}
}
setFirstChar(firstchar);
setLastChar(lastchar);
setWidths(widths);
}
/**
* {@inheritDoc}
*/
public PDFontDescriptor getFontDescriptor() throws IOException
{
return fd;
}
}