public LOGFONT Find(LOGFONT simple, out bool find)
{
if (_fonts.Count == 0)
{
find = false;
return(new LOGFONT());
}
find = true;
if (_fonts.Count == 1)
{
return(_fonts[0]);
}
int index = findBoldItalic(simple.lfWeight, simple.lfItalic);
if (index >= 0)
{
return(_fonts[index]);
}
index = findItalic(simple.lfItalic);
if (index >= 0)
{
return(_fonts[index]);
}
index = findBold(simple.lfWeight);
if (index >= 0)
{
return(_fonts[index]);
}
return(_fonts[0]);
}
public static byte[] LoadFont(LOGFONT lf, out uint ttcSize)
{
IntPtr hfont = CreateFontIndirectW(ref lf);
IntPtr HDC = Win32.GetDC(IntPtr.Zero);
IntPtr oldHfont = Win32.SelectObject(HDC, hfont);
uint sizettc = GetFontDataSize(HDC, 0x66637474, 0, IntPtr.Zero, 0);
uint size = GetFontDataSize(HDC, 0, 0, IntPtr.Zero, 0);
if (sizettc != uint.MaxValue)
{
ttcSize = sizettc - size;
}
else
{
ttcSize = 0;
}
if (size == uint.MaxValue)
{
Win32.ReleaseDC(IntPtr.Zero, HDC);
Win32.DeleteObject(hfont);
Win32.DeleteObject(oldHfont);
throw new PDFUnableLoadFontException();
}
byte[] buf = new byte[size];
GetFontData(HDC, 0, 0, buf, (int)size);
Win32.ReleaseDC(IntPtr.Zero, HDC);
Win32.DeleteObject(hfont);
Win32.DeleteObject(oldHfont);
return(buf);
}
public static FontBase AddFont(string fontName, bool bold, bool italic)
{
LOGFONT lf = FontDataLoader.GetLOGFONT(fontName, bold, italic);
if (_fonts.ContainsKey(lf))
{
return(_fonts[lf]);
}
uint ttc;
byte[] data = FontDataLoader.LoadFont(lf, out ttc);
FontBase font = loadFromBuffer(data, ttc);
_fonts.Add(lf, font);
return(font);
}
private static extern IntPtr CreateFontIndirectW([In] ref LOGFONT logfont);
public static LOGFONT GetLOGFONT(string fontName, bool bold, bool italic)
{
if (string.IsNullOrEmpty(fontName))
{
fontName = "Arial";
}
LOGFONT lf = new LOGFONT();
lf.lfCharSet = 1;
lf.lfFaceName = fontName;
if (italic)
{
lf.lfItalic = 255;
}
if (bold)
{
lf.lfWeight = 700;
}
else
{
lf.lfWeight = 400;
}
IntPtr plogFont = Marshal.AllocHGlobal(Marshal.SizeOf(lf));
Marshal.StructureToPtr(lf, plogFont, true);
LOGFONTFinder finder = new LOGFONTFinder();
try
{
IntPtr HDC = Win32.GetDC(IntPtr.Zero);
EnumFontExDelegate del = new EnumFontExDelegate(finder.EnumFontFamExProc);
int ret = 0;
ret = EnumFontFamiliesEx(HDC, plogFont, del, IntPtr.Zero, 0);
//System.Diagnostics.Trace.WriteLine("EnumFontFamiliesEx = " + ret.ToString());
Win32.ReleaseDC(IntPtr.Zero, HDC);
}
catch (System.Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
Marshal.DestroyStructure(plogFont, typeof(LOGFONT));
}
bool find;
LOGFONT result = finder.Find(lf, out find);
if (find)
{
return(result);
}
else
{
if (fontName.Equals("Arial"))
{
throw new PDFException("System fonts are not available.");
}
}
return(GetLOGFONT("Arial", bold, italic));
}
