public void Read(FontData fontData)
{
this.Tag = fontData.ReadTag();
this.CheckSum = fontData.ReadULong();
this.Offset = fontData.ReadLong();
this.Length = (int)fontData.ReadULong();
}
internal FontData[] GetFontDataList()
{
int count = fontDataTable.Values.Count;
FontData[] fontDataArray = new FontData[count];
fontDataTable.Values.CopyTo(fontDataArray, 0);
return fontDataArray;
}
public static void Test()
{
Font font = new Font("Times New Roman", 10);
FontData image = new FontData(font);
// Font font = new Font("Isabelle", 12);
// LOGFONT logFont = new LOGFONT();
// font.ToLogFont(logFont);
//
// IntPtr hfont = CreateFontIndirect(logFont);
//// IntPtr hfont2 = font.ToHfont();
//// System.Windows.Forms.MessageBox.Show(hfont2.ToString());
//
// Graphics gfx = Graphics.FromHwnd(IntPtr.Zero);
// IntPtr hdc = gfx.GetHdc();
// IntPtr oldFont = SelectObject(hdc, hfont);
// int size = GetFontData(hdc, 0, 0, null, 0);
//
// byte[] fontbits = new byte[size];
// int xx = GetFontData(hdc, 0, 0, fontbits, size);
// SelectObject(hdc, oldFont);
// DeleteObject(hfont);
// gfx.ReleaseHdc(hdc);
//
// FontData image = new FontData(fontbits);
// //image.Read();
//
//
// //HandleRef
//
// font.GetType();
}
internal FontData[] GetFontDataList()
{
int count = fontDataTable.Values.Count;
FontData[] fontDataArray = new FontData[count];
fontDataTable.Values.CopyTo(fontDataArray, 0);
return(fontDataArray);
}
public OpenTypeFontTable(FontData fontData, string tag)
{
this.fontData = fontData;
if (fontData != null && fontData.tableDictionary.ContainsKey(tag))
this.DirectoryEntry = fontData.tableDictionary[tag];
else
this.DirectoryEntry = new TableDirectoryEntry(tag);
this.DirectoryEntry.FontTable = this;
}
/// <summary>
/// Creates and reads a TableDirectoryEntry from the font image.
/// </summary>
public static TableDirectoryEntry ReadFrom(FontData fontData)
{
TableDirectoryEntry entry = new TableDirectoryEntry();
entry.Tag = fontData.ReadTag();
entry.CheckSum = fontData.ReadULong();
entry.Offset = fontData.ReadLong();
entry.Length = (int)fontData.ReadULong();
return(entry);
}
public OpenTypeDescriptor(XFont font, XPdfFontOptions options)
{
try
{
fontData = new FontData(font, options);
fontName = font.Name;
Initialize();
}
catch
{
throw;
}
}
public OpenTypeFontTable(FontData fontData, string tag)
{
this.fontData = fontData;
if (fontData != null && fontData.tableDictionary.ContainsKey(tag))
{
DirectoryEntry = fontData.tableDictionary[tag];
}
else
{
DirectoryEntry = new TableDirectoryEntry(tag);
}
DirectoryEntry.FontTable = this;
}
/// <summary>
/// This is an external helper function.
/// </summary>
public static byte[] F74167FFE4044F53B28A4AF049E9EF25(XFont font, XPdfFontOptions options, bool subset)
{
byte[] data = null;
if (subset)
{
OpenTypeDescriptor descriptor = new OpenTypeDescriptor(font, options);
FontData image = descriptor.fontData;
CMapInfo cmapInfo = new CMapInfo(descriptor);
cmapInfo.AddAnsiChars();
image = image.CreateFontSubSet(cmapInfo.GlyphIndices, false);
data = image.Data;
}
else
{
FontData fontData = new FontData(font, options);
data = fontData.Data;
}
return data;
}
/// <summary>
/// This is an external helper function.
/// </summary>
public static byte[] F74167FFE4044F53B28A4AF049E9EF25(XFont font, XPdfFontOptions options, bool subset)
{
byte[] data = null;
if (subset)
{
OpenTypeDescriptor descriptor = new OpenTypeDescriptor(font, options);
FontData image = descriptor.fontData;
CMapInfo cmapInfo = new CMapInfo(descriptor);
cmapInfo.AddAnsiChars();
image = image.CreateFontSubSet(cmapInfo.GlyphIndices, false);
data = image.Data;
}
else
{
FontData fontData = new FontData(font, options);
data = fontData.Data;
}
return(data);
}
public FontData RegisterFontData(byte[] data)
{
uint checksum = CalcChecksum(data);
string key = String.Format("??{0:X}", checksum);
FontData fontData;
if (!this.fontDataTable.TryGetValue(key, out fontData))
{
lock (typeof(FontDataStock))
{
// may be created by other thread meanwhile
if (!this.fontDataTable.TryGetValue(key, out fontData))
{
fontData = new FontData(data);
this.fontDataTable.Add(key, fontData);
this.lastEntry = fontData;
}
}
}
return fontData;
}
public FontData RegisterFontData(byte[] data)
{
uint checksum = CalcChecksum(data);
string key = String.Format("??{0:X}", checksum);
FontData fontData;
if (!fontDataTable.TryGetValue(key, out fontData))
{
lock (typeof(FontDataStock))
{
// may be created by other thread meanwhile
if (!fontDataTable.TryGetValue(key, out fontData))
{
fontData = new FontData(data);
fontDataTable.Add(key, fontData);
lastEntry = fontData;
}
}
}
return(fontData);
}
public HorizontalHeaderTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public GenericFontTable(FontData fontData, string tag)
: base(fontData, tag)
{
this.fontData = fontData;
}
public void Read(FontData fontData)
{
this.Tag = fontData.ReadTag();
this.CheckSum = fontData.ReadULong();
this.Offset = fontData.ReadLong();
this.Length = (int)fontData.ReadULong();
}
public MaximumProfileTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public HorizontalMetricsTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public GlyphDataTable(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Glyf;
Read();
}
public GlyphSubstitutionTable(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.GSUB;
DirectoryEntry = fontData.tableDictionary[TableTagNames.GSUB];
Read();
}
byte[] bytes; // Set of instructions executed whenever point size or font or transformation change. n is the number of BYTE items that fit in the size of the table.
public ControlValueProgram(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Prep;
DirectoryEntry = fontData.tableDictionary[TableTagNames.Prep];
Read();
}
byte[] bytes; // Instructions. n is the number of BYTE items that fit in the size of the table.
public FontProgram(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Fpgm;
DirectoryEntry = fontData.tableDictionary[TableTagNames.Fpgm];
Read();
}
FWord[] array; // List of n values referenceable by instructions. n is the number of FWORD items that fit in the size of the table.
public ControlValueTable(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Cvt;
DirectoryEntry = fontData.tableDictionary[TableTagNames.Cvt];
Read();
}
public PostScriptTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(FontData fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}
public OS2Table(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public short glyphDataFormat; // 0 for current format
public FontHeaderTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public VerticalMetricsTable(FontData fontData)
: base(fontData, Tag)
{
Read();
throw new NotImplementedException("VerticalMetricsTable");
}
public short glyphDataFormat; // 0 for current format
public FontHeaderTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public VerticalMetrics(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public VerticalMetrics(FontData fontData)
: base(fontData, Tag)
{
Read();
}
/// <summary>
/// Shallow copy for font subset.
/// </summary>
FontData(FontData fontData)
{
offsetTable = fontData.offsetTable;
}
public NameTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public VerticalHeaderTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public IRefFontTable(FontData fontData, OpenTypeFontTable fontTable)
: base(null, fontTable.DirectoryEntry.Tag)
{
this.fontData = fontData;
this.irefDirectoryEntry = fontTable.DirectoryEntry;
}
public GenericFontTable(FontData fontData, string tag)
: base(fontData, tag)
{
this.fontData = fontData;
}
public static void Test()
{
Font font = new Font("Times New Roman", 10);
FontData image = new FontData(font);
// Font font = new Font("Isabelle", 12);
// LOGFONT logFont = new LOGFONT();
// font.ToLogFont(logFont);
//
// IntPtr hfont = CreateFontIndirect(logFont);
//// IntPtr hfont2 = font.ToHfont();
//// System.Windows.Forms.MessageBox.Show(hfont2.ToString());
//
// Graphics gfx = Graphics.FromImage(new Bitmap(100, 100));
// IntPtr hdc = gfx.GetHdc();
// IntPtr oldFont = SelectObject(hdc, hfont);
// int size = GetFontData(hdc, 0, 0, null, 0);
//
// byte[] fontbits = new byte[size];
// int xx = GetFontData(hdc, 0, 0, fontbits, size);
// SelectObject(hdc, oldFont);
// DeleteObject(hfont);
// gfx.ReleaseHdc(hdc);
//
// FontData image = new FontData(fontbits);
// //image.Read();
//
//
// //HandleRef
//
// font.GetType();
}
public HorizontalMetricsTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public bool UnregisterFontData(FontData fontData)
{
Debug.Assert(false);
return(false);
}
/// <summary>
/// Create the font image using GDI+ functionality.
/// </summary>
void CreateGdiFontImage(XFont font, XPdfFontOptions options /*, XPrivateFontCollection privateFontCollection*/)
{
System.Drawing.Font gdiFont = font.RealizeGdiFont();
NativeMethods.LOGFONT logFont;
#if DEBUG_
logFont = new NativeMethods.LOGFONT();
gdiFont.ToLogFont(logFont);
Debug.WriteLine("FontData: " + logFont.lfFaceName);
#endif
this.data = null;
// PFC
//if (privateFontCollection != null)
//{
// //XPrivateFont privateFont = privateFontCollection.FindFont(logFont.lfFaceName, logFont.lfWeight >= 700, logFont.lfItalic > 0);
// XGlyphTypeface privateFont = privateFontCollection.FindFont(font.Name, font.Bold, font.Italic);
// if (privateFont != null)
// {
// //////int size = privateFont.GetData(ref this.data);
// //////if (size > 0)
// //////{
// ////// this.data = new byte[size];
// ////// privateFont.GetData(ref this.data, size);
// //////}
// }
//}
// Console.WriteLine("looking for " + gdiFont.Name);
foreach (string fontFile in NativeMethods._FontFiles)
{
try
{
BinaryReader br = new BinaryReader(File.OpenRead(fontFile));
byte[] buffer = br.ReadBytes((int)br.BaseStream.Length);
br.Close();
FontData fd = new FontData(buffer);
//System.Console.WriteLine(fd.name.Name);
if (fd.name.Name.Trim().ToLower() == gdiFont.Name.Trim().ToLower())
{
this.data = buffer;
break;
}
}
catch
{
//System.Console.WriteLine(exc.ToString());
}
}
if (this.data == null)
{
int error;
IntPtr hfont = gdiFont.ToHfont();
IntPtr hdc = NativeMethods.GetDC(IntPtr.Zero);
error = Marshal.GetLastWin32Error();
IntPtr oldFont = NativeMethods.SelectObject(hdc, hfont);
error = Marshal.GetLastWin32Error();
// size is exactly the size of the font file.
int size = NativeMethods.GetFontData(hdc, 0, 0, null, 0);
error = Marshal.GetLastWin32Error();
if (size > 0)
{
this.data = new byte[size];
int effectiveSize = NativeMethods.GetFontData(hdc, 0, 0, this.data, this.data.Length);
Debug.Assert(size == effectiveSize);
NativeMethods.SelectObject(hdc, oldFont);
NativeMethods.ReleaseDC(IntPtr.Zero, hdc);
error.GetType();
}
else
{
// Sometimes size is -1 (GDI_ERROR), but I cannot determine why. It happens only with the font 'Symbol'.
// The issue occurs the first time in early 2005, when I start writing PDFsharp. I could not fix it and after
// some code refactoring the problem disappears.
// There was never a report from anyone about this issue.
// Now I get it again (while debugging QBX 2006). Maybe it is a problem with my PC at my home office.
// As a work-around I create a new font handle with a different height value. This works. Maybe the
// font file gets locked somewhere. Very very strange.
// IF SOMEONE ELSE COMES HERE PLEASE LET ME KNOW!
// Clean up old handles
NativeMethods.SelectObject(hdc, oldFont);
NativeMethods.ReleaseDC(IntPtr.Zero, hdc);
// Try again with new font handle
logFont = new NativeMethods.LOGFONT();
gdiFont.ToLogFont(logFont);
logFont.lfHeight += 1; // force new handle
IntPtr hfont2 = NativeMethods.CreateFontIndirect(logFont);
hdc = NativeMethods.GetDC(IntPtr.Zero);
error = Marshal.GetLastWin32Error();
oldFont = NativeMethods.SelectObject(hdc, hfont2);
error = Marshal.GetLastWin32Error();
// size is exactly the size of the font file.
size = NativeMethods.GetFontData(hdc, 0, 0, null, 0);
error = Marshal.GetLastWin32Error();
if (size > 0)
{
this.data = new byte[size];
int effectiveSize = NativeMethods.GetFontData(hdc, 0, 0, this.data, this.data.Length);
Debug.Assert(size == effectiveSize);
}
NativeMethods.SelectObject(hdc, oldFont);
NativeMethods.ReleaseDC(IntPtr.Zero, hdc);
NativeMethods.DeleteObject(hfont2);
error.GetType();
}
}
if (this.data == null)
{
throw new InvalidOperationException("Internal error. Font data could not retrieved.");
}
}
public IRefFontTable(FontData fontData, OpenTypeFontTable fontTable)
: base(null, fontTable.DirectoryEntry.Tag)
{
this.fontData = fontData;
this.irefDirectoryEntry = fontTable.DirectoryEntry;
}
public GlyphDataTable(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Glyf;
Read();
}
public bool UnregisterFontData(FontData fontData)
{
Debug.Assert(false);
return false;
}
public IndexToLocationTable(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry = this.fontData.tableDictionary[TableTagNames.Loca];
Read();
}
/// <summary>
/// Initializes a new instance of the <see cref="CMapTable"/> class.
/// </summary>
public CMapTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public OS2Table(FontData fontData)
: base(fontData, Tag)
{
Read();
}
/// <summary>
/// Initializes a new instance of the <see cref="CMapTable"/> class.
/// </summary>
public CMapTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public PostScriptTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public HorizontalHeaderTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
/// <summary>
/// Shallow copy for font subset.
/// </summary>
FontData(FontData fontData)
{
this.offsetTable = fontData.offsetTable;
}
public VerticalHeaderTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public IndexToLocationTable(FontData fontData)
: base(fontData, Tag)
{
DirectoryEntry = this.fontData.tableDictionary[TableTagNames.Loca];
Read();
}
public VerticalMetricsTable(FontData fontData)
: base(fontData, Tag)
{
Read();
throw new NotImplementedException("VerticalMetricsTable");
}
/// <summary>
/// Creates and reads a TableDirectoryEntry from the font image.
/// </summary>
public static TableDirectoryEntry ReadFrom(FontData fontData)
{
TableDirectoryEntry entry = new TableDirectoryEntry();
entry.Tag = fontData.ReadTag();
entry.CheckSum = fontData.ReadULong();
entry.Offset = fontData.ReadLong();
entry.Length = (int)fontData.ReadULong();
return entry;
}
public NameTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public MaximumProfileTable(FontData fontData)
: base(fontData, Tag)
{
Read();
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(FontData fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}
/// <summary>
/// Creates a new font image that is a subset of this font image containing only the specified glyphs.
/// </summary>
public FontData CreateFontSubSet(Dictionary <int, object> glyphs, bool cidFont)
{
// Create new font image
FontData fontData = new FontData(this);
// Create new loca and glyf table
IndexToLocationTable loca = new IndexToLocationTable();
loca.ShortIndex = this.loca.ShortIndex;
GlyphDataTable glyf = new GlyphDataTable();
// Add all required tables
//fontData.AddTable(this.os2);
if (!cidFont)
{
fontData.AddTable(this.cmap);
}
if (this.cvt != null)
{
fontData.AddTable(this.cvt);
}
if (this.fpgm != null)
{
fontData.AddTable(this.fpgm);
}
fontData.AddTable(glyf);
fontData.AddTable(this.head);
fontData.AddTable(this.hhea);
fontData.AddTable(this.hmtx);
fontData.AddTable(loca);
if (this.maxp != null)
{
fontData.AddTable(this.maxp);
}
//fontData.AddTable(this.name);
if (this.prep != null)
{
fontData.AddTable(this.prep);
}
// Get closure of used glyphs
this.glyf.CompleteGlyphClosure(glyphs);
// Create a sorted array of all used glyphs
int glyphCount = glyphs.Count;
int[] glyphArray = new int[glyphCount];
glyphs.Keys.CopyTo(glyphArray, 0);
Array.Sort <int>(glyphArray);
// Calculate new size of glyph table.
int size = 0;
for (int idx = 0; idx < glyphCount; idx++)
{
size += this.glyf.GetGlyphSize(glyphArray[idx]);
}
glyf.DirectoryEntry.Length = size;
// Create new loca table
int numGlyphs = this.maxp.numGlyphs;
loca.locaTable = new int[numGlyphs + 1];
// Create new glyf table
glyf.glyphTable = new byte[glyf.DirectoryEntry.PaddedLength];
// Fill new glyf and loca table
int glyphOffset = 0;
int glyphIndex = 0;
for (int idx = 0; idx < numGlyphs; idx++)
{
loca.locaTable[idx] = glyphOffset;
if (glyphIndex < glyphCount && glyphArray[glyphIndex] == idx)
{
glyphIndex++;
byte[] bytes = this.glyf.GetGlyphData(idx);
int length = bytes.Length;
if (length > 0)
{
Buffer.BlockCopy(bytes, 0, glyf.glyphTable, glyphOffset, length);
glyphOffset += length;
}
}
}
loca.locaTable[numGlyphs] = glyphOffset;
// Compile font tables into byte array
fontData.Compile();
return(fontData);
}
/// <summary>
/// Shallow copy for font subset.
/// </summary>
FontData(FontData fontData)
{
this.offsetTable = fontData.offsetTable;
}
/// <summary>
/// Creates a new font image that is a subset of this font image containing only the specified glyphs.
/// </summary>
public FontData CreateFontSubSet(Dictionary<int, object> glyphs, bool cidFont)
{
// Create new font image
FontData fontData = new FontData(this);
// Create new loca and glyf table
IndexToLocationTable loca = new IndexToLocationTable();
loca.ShortIndex = this.loca.ShortIndex;
GlyphDataTable glyf = new GlyphDataTable();
// Add all required tables
//fontData.AddTable(this.os2);
if (!cidFont)
fontData.AddTable(this.cmap);
if (this.cvt != null)
fontData.AddTable(this.cvt);
if (this.fpgm != null)
fontData.AddTable(this.fpgm);
fontData.AddTable(glyf);
fontData.AddTable(this.head);
fontData.AddTable(this.hhea);
fontData.AddTable(this.hmtx);
fontData.AddTable(loca);
if (this.maxp != null)
fontData.AddTable(this.maxp);
//fontData.AddTable(this.name);
if (this.prep != null)
fontData.AddTable(this.prep);
// Get closure of used glyphs
this.glyf.CompleteGlyphClosure(glyphs);
// Create a sorted array of all used glyphs
int glyphCount = glyphs.Count;
int[] glyphArray = new int[glyphCount];
glyphs.Keys.CopyTo(glyphArray, 0);
Array.Sort<int>(glyphArray);
// Calculate new size of glyph table.
int size = 0;
for (int idx = 0; idx < glyphCount; idx++)
size += this.glyf.GetGlyphSize(glyphArray[idx]);
glyf.DirectoryEntry.Length = size;
// Create new loca table
int numGlyphs = this.maxp.numGlyphs;
loca.locaTable = new int[numGlyphs + 1];
// Create new glyf table
glyf.glyphTable = new byte[glyf.DirectoryEntry.PaddedLength];
// Fill new glyf and loca table
int glyphOffset = 0;
int glyphIndex = 0;
for (int idx = 0; idx < numGlyphs; idx++)
{
loca.locaTable[idx] = glyphOffset;
if (glyphIndex < glyphCount && glyphArray[glyphIndex] == idx)
{
glyphIndex++;
byte[] bytes = this.glyf.GetGlyphData(idx);
int length = bytes.Length;
if (length > 0)
{
Buffer.BlockCopy(bytes, 0, glyf.glyphTable, glyphOffset, length);
glyphOffset += length;
}
}
}
loca.locaTable[numGlyphs] = glyphOffset;
// Compile font tables into byte array
fontData.Compile();
return fontData;
}