static void Main()
{
var fonts = new[] {
new Font("Arial", 7.5f, FontStyle.Regular),
new Font("Arial", 8.25f, FontStyle.Regular)
};
string textToMeasure = "START";
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
IntPtr hDC = g.GetHdc();
foreach (Font font in fonts)
{
float totalWidth = 0F;
IntPtr hFont = font.ToHfont();
// Apply the font to dc
SelectObject(hDC, hFont);
int pairCount = GetKerningPairs(hDC, short.MaxValue, null);
var lpkrnpair = new KERNINGPAIR[pairCount];
GetKerningPairs(hDC, pairCount, lpkrnpair);
Console.WriteLine("\r\n" + font.ToString());
for (int ubound = textToMeasure.Length - 1, i = 0; i <= ubound; ++i)
{
char c = textToMeasure[i];
ABCFLOAT characterWidths = GetCharacterWidths(hDC, c);
float charWidth = (characterWidths.abcfA + characterWidths.abcfB + characterWidths.abcfC);
totalWidth += charWidth;
int kerning = 0;
if (i < ubound)
{
kerning = GetKerningBetweenCharacters(lpkrnpair, c, textToMeasure[i + 1]).iKernAmount;
totalWidth += kerning;
}
Console.WriteLine(c + ": " + (charWidth + kerning) + " (" + charWidth + " + " + kerning + ")");
}
Console.WriteLine("Total width: " + totalWidth);
DeleteObject(hFont);
}
g.ReleaseHdc(hDC);
}
}
/// <summary>
/// Gets the kerning information.
/// </summary>
/// <param name="font">The font.</param>
/// <returns>The kerning information.</returns>
public static Dictionary<char, Dictionary<char, int>> GetKerningInfo(this Font font)
{
var hdc = GetDC(NULL);
var fontHandle = font.ToHfont();
var previousFont = SelectObject(hdc, fontHandle);
try
{
var kerningPairs = new KERNINGPAIR[GetKerningPairs(hdc, -1, NULL)];
if (kerningPairs.Length > 0)
{
GetKerningPairs(hdc, kerningPairs.Length, kerningPairs);
}
return kerningPairs.GroupBy(i => i.First).ToDictionary(g => g.Key, g => g.ToDictionary(i => i.Second, i => i.KernAmount));
}
finally
{
SelectObject(hdc, previousFont);
DeleteObject(fontHandle);
ReleaseDC(NULL, hdc);
}
}
public override void FillFontData(PDFFont pdfFont, TTFontData fontData)
{
SelectFont(pdfFont);
fontData.PostcriptName = pdfFont.WFontName.Replace(" ", "");
if (pdfFont.Bold)
{
if (pdfFont.Italic)
{
fontData.PostcriptName = fontData.PostcriptName + ",BoldItalic";
}
else
{
fontData.PostcriptName = fontData.PostcriptName + ",Bold";
}
}
else
{
if (pdfFont.Italic)
{
fontData.PostcriptName = fontData.PostcriptName + ",Italic";
}
}
fontData.FontFamily = pdfFont.WFontName;
fontData.Type1 = false;
fontData.IsUnicode = true;
fontData.FontStretch = "/Normal";
fontData.Encoding = "WinAnsiEncoding";
fontData.HaveKerning = false;
#if REPMAN_COMPACT
#else
fontData.EmHeight = family.GetEmHeight(fontstyle);
fontData.LineSpacing = (int)Math.Round(1000.0 * family.GetLineSpacing(fontstyle) / fontData.EmHeight);
fontData.Ascent = (int)Math.Round(1000.0 * family.GetCellAscent(fontstyle) / fontData.EmHeight);
fontData.Descent = -(int)Math.Round(1000.0 * family.GetCellDescent(fontstyle) / fontData.EmHeight);
fontData.Leading = fontData.LineSpacing - fontData.Ascent + fontData.Descent;
//double multipli=(double)1.0*72/(double)dpix*(double)0.72);
//data.FontWeight:=potm^.otmTextMetrics.tmWeight;
//dataData.FontBBox.Left = Math.Round(data.FontBBox.Left*multipli);
//fontData.FontBBox.Right = Round(data.FontBBox.Right*multipli);
//data.FontBBox.Bottom:=Round(data.FontBBox.Bottom*multipli);
//data.FontBBox.Top:=Round(data.FontBBox.Top*multipli);
Font ft = (Font)font.Clone();
IntPtr hFt = ft.ToHfont();
SelectObject(hDC, hFt);
if (fontData.Embedded)
{
ReadFontData(fontData);
}
// Assign widths list
Monitor.Enter(tflag);
try
{
if (WidthsCache == null)
{
WidthsCache = new SortedList <string, SortedList <char, GlyphInfo> >();
}
if (WidthsCache.IndexOfKey(fontData.PostcriptName) < 0)
{
SortedList <char, GlyphInfo> nlist = new SortedList <char, GlyphInfo>();
WidthsCache.Add(fontData.PostcriptName, nlist);
fontData.CacheWidths = nlist;
}
else
{
fontData.CacheWidths = WidthsCache[fontData.PostcriptName];
}
}
finally
{
Monitor.Exit(tflag);
}
GcpFlags nflags = GetFontLanguageInfo(hDC);
fontData.HaveKerning = (nflags & GcpFlags.UseKerning) > 0;
if (fontData.HaveKerning)
{
Monitor.Enter(tflag);
try
{
if (KerningsCache == null)
{
KerningsCache = new SortedList <string, SortedList <ulong, int> >();
}
if (KerningsCache.IndexOfKey(fontData.PostcriptName) >= 0)
{
fontData.Kernings = KerningsCache[fontData.PostcriptName];
}
else
{
uint MAX_KER = 50000;
SortedList <ulong, int> nkernin = new SortedList <ulong, int>();
KERNINGPAIR[] kerarray = new KERNINGPAIR[MAX_KER];
GCHandle kerHnd = GCHandle.Alloc(kerarray, GCHandleType.Pinned);
try
{
uint numkernings = GetKerningPairs(hDC, MAX_KER, kerHnd.AddrOfPinnedObject());
for (uint i = 0; i < numkernings; i++)
{
//string nkey = kerarray[i].wFirst.ToString("00000") +
// kerarray[i].wSecond.ToString("00000");
ulong nkey = (ulong)(kerarray[i].wFirst << 32) + (ulong)kerarray[i].wSecond;
if (nkernin.IndexOfKey(nkey) < 0)
{
int amount = (int)Math.Round((double)-kerarray[i].iKernAmount / dpix * 72);
nkernin.Add(nkey, amount);
}
}
// Cache kernings
KerningsCache.Add(fontData.PostcriptName, nkernin);
}
finally
{
kerHnd.Free();
}
fontData.Kernings = nkernin;
}
}
finally
{
Monitor.Exit(tflag);
}
}
DeleteObject(hFt);
#endif
}
