/*
* get unicode font ranges
*/
public static List<FontRange> GetFontUnicodeRanges(Font font)
{
Graphics g = Graphics.FromHwnd(IntPtr.Zero);
IntPtr hdc = g.GetHdc();
IntPtr hFont = font.ToHfont();
IntPtr old = SelectObject(hdc, hFont);
uint size = GetFontUnicodeRanges(hdc, IntPtr.Zero);
IntPtr glyphSet = Marshal.AllocHGlobal((int)size);
GetFontUnicodeRanges(hdc, glyphSet);
List<FontRange> fontRanges = new List<FontRange>();
int count = Marshal.ReadInt32(glyphSet, 12);
for (int i = 0; i < count; i++)
{
FontRange range = new FontRange();
range.Low = (UInt16)Marshal.ReadInt16(glyphSet, 16 + i * 4);
range.High = (UInt16)(range.Low + Marshal.ReadInt16(glyphSet, 18 + i * 4) - 1);
fontRanges.Add(range);
}
SelectObject(hdc, old);
Marshal.FreeHGlobal(glyphSet);
g.ReleaseHdc(hdc);
g.Dispose();
return fontRanges;
}
/// <summary>
/// Gets the unicode ranges for font.
/// </summary>
/// <param name="font">The font.</param>
/// <returns></returns>
public List <FontRange> GetUnicodeRangesForFont(Font font)
{
Graphics g = Graphics.FromHwnd(IntPtr.Zero);
IntPtr hdc = g.GetHdc();
IntPtr hFont = font.ToHfont();
IntPtr old = SelectObject(hdc, hFont);
uint size = GetFontUnicodeRanges(hdc, IntPtr.Zero);
IntPtr glyphSet = Marshal.AllocHGlobal((int)size);
GetFontUnicodeRanges(hdc, glyphSet);
List <FontRange> fontRanges = new List <FontRange>();
int count = Marshal.ReadInt32(glyphSet, 12);
for (int i = 0; i < count; i++)
{
FontRange range = new FontRange();
range.Low = (UInt16)Marshal.ReadInt16(glyphSet, 16 + i * 4);
range.High = (UInt16)(range.Low + Marshal.ReadInt16(glyphSet, 18 + i * 4) - 1);
fontRanges.Add(range);
}
SelectObject(hdc, old);
Marshal.FreeHGlobal(glyphSet);
g.ReleaseHdc(hdc);
g.Dispose();
return(fontRanges);
}
// Copied / Adapted from:
// https://github.com/StbSharp/StbTrueTypeSharp/tree/master/samples/StbTrueTypeSharp.MonoGame.Test
public static SpriteFont LoadFont(string path, float fontHeight, FontRange fontRange = FontRange.Latin)
{
var fontBaker = new FontBaker();
fontBaker.Begin(FontBitmapWidth, FontBitmapHeight);
if (fontRange == FontRange.Latin)
{
fontBaker.Add(File.ReadAllBytes(path), fontHeight, new[]
{
CharacterRange.BasicLatin,
CharacterRange.Latin1Supplement,
CharacterRange.LatinExtendedA,
CharacterRange.LatinExtendedB,
CharacterRange.Greek,
LatinSymbols
});
}
else if (fontRange == FontRange.Japanese)
{
fontBaker.Add(File.ReadAllBytes(path), fontHeight, new[]
{
CharacterRange.BasicLatin,
CharacterRange.Latin1Supplement,
CharacterRange.LatinExtendedA,
CharacterRange.LatinExtendedB,
CharacterRange.Greek,
LatinSymbols,
ExtendedSymbols,
CharacterRange.Hiragana,
CharacterRange.Katakana,
CharacterRange.CjkSymbolsAndPunctuation,
CharacterRange.CjkUnifiedIdeographs
});
}
var _charData = fontBaker.End();
// Offset by minimal offset
int minimumOffsetY = 10000;
foreach (var pair in _charData.Glyphs)
{
if (pair.Value.YOffset < minimumOffsetY)
{
minimumOffsetY = pair.Value.YOffset;
}
}
var keys = _charData.Glyphs.Keys.ToArray();
foreach (var key in keys)
{
var pc = _charData.Glyphs[key];
pc.YOffset -= minimumOffsetY;
_charData.Glyphs[key] = pc;
}
var rgb = new Color[FontBitmapWidth * FontBitmapHeight];
for (var i = 0; i < _charData.Bitmap.Length; ++i)
{
var b = _charData.Bitmap[i];
rgb[i].R = b;
rgb[i].G = b;
rgb[i].B = b;
rgb[i].A = b;
}
var fontTexture = new Texture2D(Globals.GraphicsManager.GraphicsDevice, FontBitmapWidth, FontBitmapHeight);
fontTexture.SetData(rgb);
var glyphBounds = new List <Rectangle>();
var cropping = new List <Rectangle>();
var chars = new List <char>();
var kerning = new List <Vector3>();
var orderedKeys = _charData.Glyphs.Keys.OrderBy(a => a);
foreach (var key in orderedKeys)
{
var character = _charData.Glyphs[key];
var bounds = new Rectangle(character.X, character.Y,
character.Width,
character.Height);
glyphBounds.Add(bounds);
cropping.Add(new Rectangle(character.XOffset, character.YOffset, bounds.Width, bounds.Height));
chars.Add((char)key);
kerning.Add(new Vector3(0, bounds.Width, character.XAdvance - bounds.Width));
}
var constructorInfo = typeof(SpriteFont).GetTypeInfo().DeclaredConstructors.First();
var spacing = cropping.Max(x => x.Height);
return((SpriteFont)constructorInfo.Invoke(new object[]
{
fontTexture, glyphBounds, cropping,
chars, spacing, 0, kerning, ' '
}));
}
