public virtual void SeekTest()
{
RandomAccessFileOrArray raf = new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateBestSource
(SOURCE_FOLDER + "NotoSansCJKjp-Bold.otf"));
byte[] cff = new byte[16014190];
try {
raf.Seek(283192);
raf.ReadFully(cff);
}
finally {
raf.Close();
}
CFFFont cffFont = new CFFFont(cff);
cffFont.Seek(0);
// Get int (bin 0000 0001 0000 0000 0000 0100 0000 0011)
NUnit.Framework.Assert.AreEqual(16778243, cffFont.GetInt());
cffFont.Seek(0);
// Gets the first short (bin 0000 0001 0000 0000)
NUnit.Framework.Assert.AreEqual(256, cffFont.GetShort());
cffFont.Seek(2);
// Gets the second short (bin 0000 0100 0000 0011)
NUnit.Framework.Assert.AreEqual(1027, cffFont.GetShort());
}
/**
* This will read the required data from the stream.
*
* @param ttf The font that is being read.
* @param data The stream to read the data from.
* @throws java.io.IOException If there is an error reading the data.
*/
public override void Read(TrueTypeFont ttf, TTFDataStream data)
{
byte[] bytes = data.Read((int)Length);
CFFParser parser = new CFFParser();
cffFont = parser.Parse(bytes, new CFFBytesource(font))[0];
initialized = true;
}
public virtual void GetPositionTest()
{
RandomAccessFileOrArray raf = new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateBestSource
(SOURCE_FOLDER + "NotoSansCJKjp-Bold.otf"));
byte[] cff = new byte[16014190];
try {
raf.Seek(283192);
raf.ReadFully(cff);
}
finally {
raf.Close();
}
CFFFont cffFont = new CFFFont(cff);
cffFont.Seek(0);
NUnit.Framework.Assert.AreEqual(0, cffFont.GetPosition());
cffFont.Seek(16);
NUnit.Framework.Assert.AreEqual(16, cffFont.GetPosition());
}
/**
* Constructor.
*
* @param fontDictionary The font dictionary according to the PDF specification.
* @param parent The parent font.
*/
public CIDFontType0(PdfDirectObject fontDictionary, PdfType0Font parent)
: base(fontDictionary, parent)
{
FontDescriptor fd = FontDescriptor;
FontFile fontFile = null;
byte[] bytes = null;
if (fd != null)
{
fontFile = fd.FontFile3 ?? fd.FontFile;
if (fontFile != null)
{
bytes = fontFile.BaseDataObject.ExtractBody(true).GetBuffer();
}
}
bool fontIsDamaged = false;
CFFFont cffFont = null;
if (bytes != null && bytes.Length > 0 && (bytes[0] & 0xff) == '%')
{
// PDFBOX-2642 contains a corrupt PFB font instead of a CFF
Debug.WriteLine("warn: Found PFB but expected embedded CFF font " + fd.FontName);
try
{
t1Font = PdfType1Font.LoadType1Font(fontFile);
}
catch (DamagedFontException e)
{
Debug.WriteLine($"warn: Can't read damaged embedded Type1 font {fd.FontName} {e}");
fontIsDamaged = true;
}
catch (IOException e)
{
Debug.WriteLine($"error: Can't read the embedded Type1 font {fd.FontName} {e}");
fontIsDamaged = true;
}
}
else if (bytes != null)
{
CFFParser cffParser = new CFFParser();
try
{
cffFont = cffParser.Parse(bytes, new FF3ByteSource(fd, bytes))[0];
}
catch (IOException e)
{
Debug.WriteLine("error: Can't read the embedded CFF font " + fd.FontName, e);
fontIsDamaged = true;
}
}
if (cffFont != null)
{
// embedded
if (cffFont is CFFCIDFont)
{
cidFont = (CFFCIDFont)cffFont;
t1Font = null;
}
else
{
cidFont = null;
t1Font = cffFont;
}
cid2gid = ReadCIDToGIDMap();
isEmbedded = true;
isDamaged = false;
}
else if (t1Font != null)
{
if (t1Font is Type1Font type1Font)
{
cidFont = null;
}
cid2gid = ReadCIDToGIDMap();
isEmbedded = true;
isDamaged = false;
}
else
{
// find font or substitute
CIDFontMapping mapping = FontMappers.Instance.GetCIDFont(BaseFont, FontDescriptor, CIDSystemInfo);
BaseFont font;
if (mapping.IsCIDFont)
{
cffFont = mapping.Font.CFF.Font;
if (cffFont is CFFCIDFont)
{
cidFont = (CFFCIDFont)cffFont;
t1Font = null;
font = cidFont;
}
else
{
// PDFBOX-3515: OpenType fonts are loaded as CFFType1Font
CFFType1Font f = (CFFType1Font)cffFont;
cidFont = null;
t1Font = f;
font = f;
}
}
else
{
cidFont = null;
t1Font = mapping.TrueTypeFont;
font = t1Font;
}
if (mapping.IsFallback)
{
Debug.WriteLine($"warning: Using fallback {font.Name} for CID-keyed font {BaseFont}");
}
isEmbedded = false;
isDamaged = fontIsDamaged;
}
fontMatrixTransform = FontMatrix;
fontMatrixTransform = fontMatrixTransform.PostConcat(SKMatrix.CreateScale(1000, 1000));
}
