public GlyphInfo(char c, uint index, int bitmapLeft, GlyphMetrics metrics, FTBitmap bitmap)
{
BitmapLeft = bitmapLeft;
Index = index;
Character = c;
Width = (int)metrics.Width;
Height = (int)metrics.Height;
Advance = (int)metrics.HorizontalAdvance;
BearingX = (int)metrics.HorizontalBearingX;
BearingY = (int)metrics.HorizontalBearingY;
Bitmap = new GlyphBitmap(bitmap);
}
static Bitmap ConvertToBitmap(GlyphBitmap image)
{
var bmp = new Bitmap(image.Width, image.Height);
for (int j = 0; j < image.Height; j++)
{
for (int i = 0; i < image.Width; i++)
{
byte alpha = image.Pixels[i + j * image.Width];
bmp.SetPixel(i, j, Color.FromArgb(alpha, 0, 0, 0));
}
}
return(bmp);
}
public void RenderGrayscaleGlyph(GlyphBitmap bitmap, int x, int y)
{
int height = bitmap.Rows;
int width = bitmap.Width;
int pitch = bitmap.Pitch;
byte[] bufferData = bitmap.BufferData;
for (int by = 0; by < height; by++)
{
for (int bx = 0; bx < width; bx++)
{
var src = by * pitch + bx;
var dest = (by + y) * TextureSize + bx + x;
colors[dest] = (uint)(0x00FFFFFF | (bufferData[src] << 24));
}
}
Texture.SetData(colors);
}
public void RenderMonoGlyph(GlyphBitmap bitmap, int x, int y)
{
int height = bitmap.Rows;
int width = bitmap.Width;
int pitch = bitmap.Pitch;
byte[] bufferData = bitmap.BufferData;
for (int by = 0; by < height; by++)
{
for (int bx = 0; bx < width; bx++)
{
int src = by * pitch + bx / 8;
int dest = (by + y) * TextureSize + bx + x;
bool isOpaque = (bufferData[src] & (1 << (7 - bx % 8))) != 0;
colors[dest] = isOpaque ? 0xFFFFFFFF : 0x00FFFFFF;
}
}
Texture.SetData(colors);
}
static Bitmap GenerateOutput(string fontFileName, string phrase, int pixels, int SDF_scale)
{
var bytes = File.ReadAllBytes(fontFileName);
var font = new LunarLabs.Fonts.Font(bytes);
int height = pixels * SDF_scale;
var scale = font.ScaleInPixels(height);
var glyphs = new Dictionary <char, FontGlyph>();
var bitmaps = new Dictionary <char, Bitmap>();
foreach (var ch in phrase)
{
if (glyphs.ContainsKey(ch))
{
continue;
}
var glyph = font.RenderGlyph(ch, scale);
glyphs[ch] = glyph;
bitmaps[ch] = ConvertToBitmap(glyph.Image);
}
int ascent, descent, lineGap;
font.GetFontVMetrics(out ascent, out descent, out lineGap);
int baseLine = height - (int)(ascent * scale);
int minX = int.MaxValue;
int maxX = int.MinValue;
int minY = int.MaxValue;
int maxY = int.MinValue;
var positions = new Point[phrase.Length];
int x = 0;
for (int i = 0; i < phrase.Length; i++)
{
var ch = phrase[i];
var glyph = glyphs[ch];
var next = i < phrase.Length - 1 ? phrase[i + 1] : '\0';
var kerning = font.GetKerning(ch, next, scale);
int y0 = height - baseLine + glyph.yOfs;
int y1 = y0 + glyph.Image.Height;
int x0 = x + glyph.xOfs - kerning;
int x1 = x0 + glyph.Image.Width;
x += glyph.xAdvance;
positions[i] = new Point(x0, y0);
x1 = Math.Max(x, x1);
minX = Math.Min(minX, x0);
maxX = Math.Max(maxX, x1);
minY = Math.Min(minY, y0);
maxY = Math.Max(maxY, y1);
}
int realWidth = (maxX - minX) + 1;
int realHeight = (maxY - minY) + 1;
for (int i = 0; i < phrase.Length; i++)
{
positions[i].X -= minX;
positions[i].Y -= minY;
}
var tempBmp = new GlyphBitmap(realWidth, realHeight);
{
// draw the baseline height in blue color
var ly = height - (baseLine + minY);
//g.DrawLine(new Pen(Color.Blue), 0, ly, realWidth - 1, ly);
// now draw each character
x = 0;
for (int i = 0; i < phrase.Length; i++)
{
var ch = phrase[i];
var glyph = glyphs[ch];
var bmp = bitmaps[ch];
var pos = positions[i];
tempBmp.Draw(glyph.Image, pos.X, pos.Y);
}
}
if (SDF_scale > 1)
{
tempBmp = DistanceFieldUtils.CreateDistanceField(tempBmp, SDF_scale, 16 * SDF_scale);
}
return(ConvertToBitmap(tempBmp));
}
public void GenerateFontSource(TextWriter writer, FontDescriptor fontDescriptor)
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.CloseOutput = false;
settings.Indent = true;
settings.IndentChars = " ";
XmlWriter wr = XmlWriter.Create(writer, settings);
try {
FontData fontData = new FontData(fontDescriptor.Font);
wr.WriteStartDocument();
wr.WriteComment(" Creado con EosFontGenerator ");
wr.WriteComment(" No modificar ");
wr.WriteComment(String.Format(" Name : {0} ", fontData.Name));
wr.WriteComment(String.Format(" Size : {0}pt ", fontDescriptor.Font.SizeInPoints));
wr.WriteComment(String.Format(" Style : {0} ", fontDescriptor.Font.Style));
wr.WriteStartElement("resources");
wr.WriteStartElement("fontResource");
wr.WriteAttributeString("version", "2.0");
wr.WriteAttributeString("resourceId", fontData.Name.Replace(", ", ""));
wr.WriteStartElement("font");
wr.WriteAttributeString("name", fontData.Name);
wr.WriteAttributeString("height", fontData.Height.ToString());
wr.WriteAttributeString("ascent", fontData.Ascent.ToString());
wr.WriteAttributeString("descent", fontData.Descent.ToString());
foreach (CharacterDescriptor characterDescriptor in fontDescriptor.CharacterDescriptors)
{
char ch = characterDescriptor.Character;
GlyphData glyphData = new GlyphData(characterDescriptor.Font, ch, GlyphFormat.L1);
GlyphBitmap glyphBitmap = glyphData.Glyph;
wr.WriteStartElement("char");
wr.WriteAttributeString("code", String.Format("0x{0:X2}", Convert.ToInt32(ch)));
wr.WriteAttributeString("advance", glyphData.Advance.ToString());
if (glyphBitmap != null)
{
wr.WriteStartElement("bitmap");
wr.WriteAttributeString("format", "L1");
wr.WriteAttributeString("left", glyphBitmap.OffsetX.ToString());
wr.WriteAttributeString("top", glyphBitmap.OffsetY.ToString());
wr.WriteAttributeString("width", glyphBitmap.Width.ToString());
wr.WriteAttributeString("height", glyphBitmap.Height.ToString());
for (int y = 0; y < glyphBitmap.Height; y++)
{
wr.WriteStartElement("scanLine");
StringBuilder sb = new StringBuilder();
try {
int black = Color.Black.ToArgb();
for (int x = 0; x < glyphBitmap.Width; x++)
{
if (glyphBitmap.Bitmap.GetPixel(x, y).ToArgb() == black)
{
sb.Append('1');
}
else
{
sb.Append('.');
}
}
}
catch {
}
wr.WriteString(sb.ToString());
wr.WriteEndElement();
}
wr.WriteEndElement();
}
wr.WriteEndElement();
}
wr.WriteEndElement();
wr.WriteEndElement();
wr.WriteEndElement();
wr.WriteEndDocument();
}
finally {
wr.Close();
}
}
static void Main(string[] args)
{
var dlg = new OpenFileDialog {
Filter = "Font Files (*.ttf)|*.ttf", InitialDirectory = Directory.GetCurrentDirectory()
};
if (dlg.ShowDialog() != DialogResult.OK)
{
return;
}
var fontFileName = dlg.FileName;
Console.WriteLine($"Loading {fontFileName}...");
var bytes = File.ReadAllBytes(fontFileName);
var font = new LunarLabs.Fonts.Font(bytes);
// make this a number larger than 1 to enable SDF output
int SDF_scale = 1;
// here is the desired height in pixels of the output
// the real value might not be exactly this depending on which characters are part of the input text
int height = 64 * SDF_scale;
var scale = font.ScaleInPixels(height);
var phrase = "Hello world";
var glyphs = new Dictionary <char, FontGlyph>();
var bitmaps = new Dictionary <char, Bitmap>();
foreach (var ch in phrase)
{
if (glyphs.ContainsKey(ch))
{
continue;
}
var glyph = font.RenderGlyph(ch, scale);
glyphs[ch] = glyph;
bitmaps[ch] = ConvertToBitmap(glyph.Image);
}
int ascent, descent, lineGap;
font.GetFontVMetrics(out ascent, out descent, out lineGap);
int baseLine = height - (int)(ascent * scale);
int minX = int.MaxValue;
int maxX = int.MinValue;
int minY = int.MaxValue;
int maxY = int.MinValue;
var positions = new Point[phrase.Length];
int x = 0;
for (int i = 0; i < phrase.Length; i++)
{
var ch = phrase[i];
var glyph = glyphs[ch];
var next = i < phrase.Length - 1 ? phrase[i + 1] : '\0';
var kerning = font.GetKerning(ch, next, scale);
int y0 = height - baseLine + glyph.yOfs;
int y1 = y0 + glyph.Image.Height;
int x0 = x + glyph.xOfs - kerning;
int x1 = x0 + glyph.Image.Width;
x += glyph.xAdvance;
positions[i] = new Point(x0, y0);
x1 = Math.Max(x, x1);
minX = Math.Min(minX, x0);
maxX = Math.Max(maxX, x1);
minY = Math.Min(minY, y0);
maxY = Math.Max(maxY, y1);
}
int realWidth = (maxX - minX) + 1;
int realHeight = (maxY - minY) + 1;
for (int i = 0; i < phrase.Length; i++)
{
positions[i].X -= minX;
positions[i].Y -= minY;
}
var tempBmp = new GlyphBitmap(realWidth, realHeight);
{
// draw the baseline height in blue color
var ly = height - (baseLine + minY);
//g.DrawLine(new Pen(Color.Blue), 0, ly, realWidth - 1, ly);
// now draw each character
x = 0;
for (int i = 0; i < phrase.Length; i++)
{
var ch = phrase[i];
var glyph = glyphs[ch];
var bmp = bitmaps[ch];
var pos = positions[i];
tempBmp.Draw(glyph.Image, pos.X, pos.Y);
}
}
if (SDF_scale > 1)
{
tempBmp = DistanceFieldUtils.CreateDistanceField(tempBmp, SDF_scale, 32);
}
var outBmp = ConvertToBitmap(tempBmp);
var outputFileName = "output.png";
Console.WriteLine($"Outputting {outputFileName}...");
outBmp.Save(outputFileName);
}
