com.lowagie.text.pdf.UnembedFontPdfSmartCopy Maven / Gradle / Ivy
package com.lowagie.text.pdf;
import java.io.IOException;
import java.io.OutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
/**
* Makes a copy of a PDF, unembedding all embedded fonts. All font headers and descriptors are preserved and only the font file is removed.
*/
public class UnembedFontPdfSmartCopy extends PdfSmartCopy {
public UnembedFontPdfSmartCopy(Document document, OutputStream os)
throws DocumentException {
super(document, os);
}
protected PdfDictionary copyDictionary(PdfDictionary in)
throws IOException, BadPdfFormatException {
PdfDictionary out = new PdfDictionary();
PdfObject type = PdfReader.getPdfObjectRelease(in.get(PdfName.TYPE));
for (PdfName key : in.getKeys()) {
PdfObject value = in.get(key);
if ((PdfName.FONTFILE.equals(key)
|| PdfName.FONTFILE2.equals(key)
|| PdfName.FONTFILE3.equals(key))
&& !PdfReader.isFontSubset(PdfReader.getFontNameFromDescriptor(in))) {
continue;
} else {
out.put(key, copyObject(value));
}
}
return out;
}
}