/// <summary>
/// Initializes a new instance of the <see cref="FontImage"/> class.
/// </summary>
public FontImage(System.Drawing.Font font, XPdfFontOptions options)
{
#if DEBUG_
NativeMethods.LOGFONT logFont = new NativeMethods.LOGFONT();
font.ToLogFont(logFont);
#endif
int error;
IntPtr hfont = font.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();
this.bytes = new byte[size];
int xx = NativeMethods.GetFontData(hdc, 0, 0, this.bytes, this.bytes.Length);
NativeMethods.SelectObject(hdc, oldFont);
NativeMethods.ReleaseDC(IntPtr.Zero, hdc);
error.GetType();
Read();
}
/// <summary>
/// Create the font image using GDI+ functionality.
/// </summary>
void CreateGdiFontImage(XFont font, XPdfFontOptions options/*, XPrivateFontCollection privateFontCollection*/)
{
System.Drawing.Font gdiFont = font.RealizeGdiFont();
#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);
// //////}
// }
//}
if (this.data == null)
{
var assembly = FontDataConfig.ResourceAssembly;
var name = string.Format("{0}.FontHacks.{1}{2}{3}.fontdat",
assembly != null ? assembly.GetName().Name : string.Empty,
font.Name,
font.Bold ? ".Bold" : string.Empty,
font.Italic ? ".Italic" : string.Empty);
if (assembly != null && new List<string>(assembly.GetManifestResourceNames()).Contains(name))
{
System.Diagnostics.Debug.WriteLine("*** Reading fontdata from Resource");
using (var s = assembly.GetManifestResourceStream(name))
{
this.data = new byte[s.Length];
s.Read(this.data, 0, (int)s.Length);
}
}
else
{
System.Diagnostics.Debug.WriteLine("*** Reading fontdata from GDI+");
int error;
IntPtr hfont = gdiFont.ToHfont();
using(var dcBmp = new Bitmap(100, 100))
using (var dc = Graphics.FromImage(dcBmp))
{
IntPtr hdc = dc.GetHdc();
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);
if (FontDataConfig.SaveFont)
{
FileExtensions.WriteFileBytes(this.data, string.Format("..\\..\\FontHacks\\{0}{1}{2}.fontdat",
font.Name,
font.Bold ? ".Bold" : string.Empty,
font.Italic ? ".Italic" : string.Empty));
}
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
var 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.");
}
}
/// <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;
if (privateFontCollection != null)
{
//XPrivateFont privateFont = privateFontCollection.FindFont(logFont.lfFaceName, logFont.lfWeight >= 700, logFont.lfItalic > 0);
XPrivateFont privateFont = privateFontCollection.FindFont(font.Name, font.Bold, font.Italic);
if (privateFont != null)
{
int size = privateFont.GetFontData(ref this.data, 0);
if (size > 0)
{
this.data = new byte[size];
privateFont.GetFontData(ref this.data, size);
}
}
}
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.");
}
static byte[] ReadFontBytesFromGdi(GdiFont gdiFont)
{
// Weird: LastError is always 123 or 127. Comment out Debug.Assert.
int error = Marshal.GetLastWin32Error();
//Debug.Assert(error == 0);
error = Marshal.GetLastWin32Error();
//Debug.Assert(error == 0);
IntPtr hfont = gdiFont.ToHfont();
#if true
IntPtr hdc = NativeMethods.GetDC(IntPtr.Zero);
#else
NativeMethods.LOGFONT logFont = new NativeMethods.LOGFONT();
logFont.lfHeight = 30;
logFont.lfWidth = 0;
logFont.lfEscapement = 0;
logFont.lfOrientation = 0;
logFont.lfWeight = 400;
logFont.lfItalic = 0;
logFont.lfUnderline = 0;
logFont.lfStrikeOut = 0;
logFont.lfCharSet = 0;
logFont.lfOutPrecision = 0;
logFont.lfClipPrecision = 0;
logFont.lfQuality = 0;
logFont.lfPitchAndFamily = 0;
logFont.lfFaceName = "Arial";
gdiFont.ToLogFont(logFont);
hfont = NativeMethods.CreateFontIndirect(logFont);
// IntPtr hdc = NativeMethods.CreateDC("DISPLAY", null, null, IntPtr.Zero);
IntPtr hdc = NativeMethods.CreateCompatibleDC(IntPtr.Zero);
#endif
error = Marshal.GetLastWin32Error();
//Debug.Assert(error == 0);
IntPtr oldFont = NativeMethods.SelectObject(hdc, hfont);
error = Marshal.GetLastWin32Error();
//Debug.Assert(error == 0);
// Get size of the font file.
bool isTtcf = false;
// In Azure I get 0xc0000022
int size = NativeMethods.GetFontData(hdc, 0, 0, null, 0);
// Check for ntstatus.h: #define STATUS_ACCESS_DENIED ((NTSTATUS)0xC0000022L)
if ((uint)size == 0xc0000022)
throw new InvalidOperationException("Microsoft Azure returns STATUS_ACCESS_DENIED ((NTSTATUS)0xC0000022L) from GetFontData. This is a bug in Azure. You must implement a FontResolver to circumvent this issue.");
if (size == NativeMethods.GDI_ERROR)
{
// Assume that the font file is a true type collection.
size = NativeMethods.GetFontData(hdc, ttcf, 0, null, 0);
isTtcf = true;
}
error = Marshal.GetLastWin32Error();
//Debug.Assert(error == 0);
if (size == 0)
throw new InvalidOperationException("Cannot retrieve font data.");
byte[] bytes = new byte[size];
int effectiveSize = NativeMethods.GetFontData(hdc, isTtcf ? ttcf : 0, 0, bytes, size);
Debug.Assert(size == effectiveSize);
// Clean up.
NativeMethods.SelectObject(hdc, oldFont);
NativeMethods.ReleaseDC(IntPtr.Zero, hdc);
return bytes;
}
