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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
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package org.apache.pdfbox.preflight.font;
import static org.apache.pdfbox.preflight.PreflightConstants.ERROR_FONTS_ENCODING;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.font.encoding.Encoding;
import org.apache.pdfbox.pdmodel.font.encoding.MacRomanEncoding;
import org.apache.pdfbox.pdmodel.font.encoding.WinAnsiEncoding;
import org.apache.pdfbox.pdmodel.font.PDFontDescriptor;
import org.apache.pdfbox.pdmodel.font.PDTrueTypeFont;
import org.apache.pdfbox.preflight.PreflightContext;
import org.apache.pdfbox.preflight.ValidationResult.ValidationError;
import org.apache.pdfbox.preflight.font.container.TrueTypeContainer;
import org.apache.pdfbox.preflight.font.descriptor.TrueTypeDescriptorHelper;
public class TrueTypeFontValidator extends SimpleFontValidator<TrueTypeContainer>
{
public TrueTypeFontValidator(PreflightContext context, PDTrueTypeFont font)
{
super(context, font, font.getCOSObject(), new TrueTypeContainer(font));
}
@Override
protected void createFontDescriptorHelper()
{
this.descriptorHelper = new TrueTypeDescriptorHelper(context, (PDTrueTypeFont) font, fontContainer);
}
@Override
protected void checkEncoding()
{
PDTrueTypeFont ttFont = (PDTrueTypeFont) font;
PDFontDescriptor fd = ttFont.getFontDescriptor();
if (fd != null)
{
/*
* only MacRomanEncoding or WinAnsiEncoding are allowed for a non symbolic font.
*/
if (fd.isNonSymbolic())
{
Encoding encodingValue = ttFont.getEncoding();
if (encodingValue == null
|| !(encodingValue instanceof MacRomanEncoding || encodingValue instanceof WinAnsiEncoding))
{
this.fontContainer.push(new ValidationError(ERROR_FONTS_ENCODING,
"The Encoding is invalid for the NonSymbolic TTF"));
}
}
/*
* For symbolic font, no encoding entry is allowed and only one encoding entry is expected into the FontFile
* CMap (Check latter when the FontFile stream will be checked)
*/
if (fd.isSymbolic() && ((COSDictionary) fontDictionary).getItem(COSName.ENCODING) != null)
{
this.fontContainer.push(new ValidationError(ERROR_FONTS_ENCODING,
"The Encoding should be missing for the Symbolic TTF"));
}
}
}
}