static void Main(string[] args)
{
Console.WriteLine("Version string: " + HB.VersionString);
Version v = HB.Version;
Console.WriteLine("Version: " + v.Major + "." + v.Minor + "." + v.Build);
Console.WriteLine("VersionCheck: " + HB.VersionAtLeast(v));
var lib = new Library();
var face = new SharpFont.Face(lib, @"/usr/share/fonts/noto/NotoSans-Regular.ttf");
face.SetCharSize(0, 50, 72, 72);
var font = HarfBuzz.Font.FromFTFace(face);
var buf = new HarfBuzz.Buffer();
buf.Direction = Direction.RightToLeft;
buf.Script = Script.Arabic;
buf.AddText("متن");
font.Shape(buf);
var glyphInfos = buf.GlyphInfo();
var glyphPositions = buf.GlyphPositions();
int height = (face.MaxAdvanceHeight - face.Descender) >> 6;
int width = 0;
for (int i = 0; i < glyphInfos.Length; ++i)
{
width += glyphPositions[i].xAdvance >> 6;
}
Bitmap bmp = new Bitmap(width, height);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.Gray);
int penX = 0, penY = face.MaxAdvanceHeight >> 6;
//draw the string
for (int i = 0; i < glyphInfos.Length; ++i)
{
face.LoadGlyph(glyphInfos[i].codepoint, LoadFlags.Default, LoadTarget.Normal);
face.Glyph.RenderGlyph(RenderMode.Normal);
Bitmap cBmp = face.Glyph.Bitmap.ToGdipBitmap(Color.Firebrick);
g.DrawImageUnscaled(cBmp,
penX + (glyphPositions[i].xOffset >> 6) + face.Glyph.BitmapLeft,
penY - (glyphPositions[i].yOffset >> 6) - face.Glyph.BitmapTop);
penX += glyphPositions[i].xAdvance >> 6;
penY -= glyphPositions[i].yAdvance >> 6;
}
g.Dispose();
bmp.Save("output.bmp");
}
/*
* private void DrawChar(Char c)
* {
* var g = this.CreateGraphics();
* g.ResetTransform();
* g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
* g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel;
* //g.
* var charWidth = Int32.Parse(textBoxCharWidth.Text);
* var charHeight = Int32.Parse(textBoxCharHeight.Text);
* //Console.WriteLine(textBoxFontPreview.Font);
* var size = GetCharSize(c, g);
* Bitmap bm = new Bitmap(size.Width, size.Height);
* Brush br = new SolidBrush(Color.White);
* //Graphics g = Graphics.FromImage(bm);
* //String s = "";
* //s += c;
* StringFormat sf = new StringFormat();
* //sf.Alignment = StringAlignment.Center;
* //sf.LineAlignment = StringAlignment.Center;
* //g.ResetTransform();
* //g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
* //g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel;
* g.Clear(Color.Black);
* //g.DrawString(s, fontDialog1.Font, br, 1, 1, sf);
* TextRenderer.DrawText(g, c.ToString(), fontDialog1.Font, new Point(0, 0), Color.White);
* //
* var bmf = String.Format("{0}\\pcf_{1}.bmp", textBoxOutputDir.Text, (Int32)c);
* bm.Save(bmf);
* //
* g.Dispose();
* }
*/
private bool DrawChar(Char c)
{
try {
//ftFace.SetCharSize(appSettings.CharSize.Width, appSettings.CharSize.Height, (uint)appSettings.DPI.Width, (uint)appSettings.DPI.Height);
ftFace.SetPixelSizes((uint)appSettings.CharSize.Width, (uint)appSettings.CharSize.Height);
var glyphIndex = ftFace.GetCharIndex((uint)c);
ftFace.LoadGlyph(glyphIndex, SharpFont.LoadFlags.Default | SharpFont.LoadFlags.NoHinting, SharpFont.LoadTarget.Mono);
ftFace.Glyph.RenderGlyph(SharpFont.RenderMode.Mono);
var penX = ftFace.Glyph.BitmapLeft;
var penY = (int)ftFace.Size.Metrics.Ascender - ftFace.Glyph.BitmapTop;
while (penY > 0 && penY + ftFace.Glyph.Metrics.Height > appSettings.CharSize.Height)
{
penY--;
}
Console.WriteLine("X {0} Y {1} L {2} T {3}", ftFace.Glyph.Advance.X, ftFace.Glyph.Advance.Y, ftFace.Glyph.BitmapLeft, ftFace.Glyph.BitmapTop);
Console.WriteLine("{0} {1} {2}", ftFace.Size.Metrics.Ascender, ftFace.Size.Metrics.Descender, ftFace.Glyph.Metrics.Height);
Bitmap bm = ftFace.Glyph.Bitmap.ToGdipBitmap(Color.Black);
var nbm = new Bitmap(appSettings.CharSize.Width, appSettings.CharSize.Height);
var g = Graphics.FromImage(nbm);
g.Clear(Color.White);
g.DrawImageUnscaled(bm, penX, penY);
//nbm.SetPixel()
//
byte[] mbc;
if (c > 127)
{
mbc = Encoding.GetEncoding(appSettings.CharEncoding).GetBytes(c.ToString().ToCharArray());
}
else
{
mbc = new byte[] { 0, (byte)c }
};
outputWriter.WriteLine(@"0x{0:x2},0x{1:x2}, // {2}", mbc[0], mbc[1], c);
Console.WriteLine("W {0} H {1}", nbm.Width, nbm.Height);
BitArray ba = new BitArray(nbm.Width * nbm.Height);
for (var y = 0; y < nbm.Height; y++)
{
for (var x = 0; x < nbm.Width; x++)
{
var a = nbm.GetPixel(x, y);
ba.Set(y * nbm.Width + x, a.B == 0);
}
}
byte[] bba = new byte[nbm.Width * nbm.Height / 8];
ba.CopyTo(bba, 0);
for (var i = 0; i < bba.Length; i++)
{
if (i > 0 && i % 16 == 0)
{
outputWriter.WriteLine();
}
outputWriter.Write(@"0x{0:x2},", bba[i]);
}
outputWriter.WriteLine();
outputWriter.WriteLine();
Console.WriteLine(bba.Length);
if (appSettings.SaveBitmap)
{
var nbmf = String.Format("{0}\\pcf_{1:x2}{2:x2}.bmp", appSettings.OutputDir, mbc[0], mbc[1]);
nbm.Save(nbmf);
}
ShowBitmap(nbm);
}
catch (Exception ex)
{
Console.WriteLine(ex);
return(false);
}
return(true);
}
private void GenerateTextures()
{
if (_fontGlyphs == null)
{
_fontGlyphs = new FontGlyph[256];
}
if (_textureID == 0)
{
_textureID = GL.GenTexture();
}
_textureSize = Next_P2(16 * _size);
int spacing = _textureSize / 16;
byte[] textureData = new byte[4 * _textureSize * _textureSize];
byte[] outlineData = new byte[4 * _textureSize * _textureSize];
for (int i = 0; i < 256; i++)
{
char c = (char)i;
uint glyphIndex = _fontFace.GetCharIndex(Convert.ToUInt32(c));
_fontFace.LoadGlyph(glyphIndex, SharpFont.LoadFlags.Default, SharpFont.LoadTarget.Normal);
_fontFace.Glyph.RenderGlyph(SharpFont.RenderMode.Normal);
SharpFont.FTBitmap bitmap = _fontFace.Glyph.Bitmap;
if (_fontGlyphs[i] == null)
{
_fontGlyphs[i] = new FontGlyph();
}
try
{
int blitX = (i % 16 * spacing); // +(spacing / 2) - (bitmap.Width / 2); //trying to center glyph on on tile region
int blitY = (i / 16 * spacing); // +(spacing / 2) - (bitmap.Rows / 2);
byte[] bitmapData = bitmap.BufferData;
for (int y = 0; y < spacing; y++)
{
for (int x = 0; x < spacing; x++)
{
byte bltVal = (x >= bitmap.Width || y >= bitmap.Rows) ? (byte)0 : bitmapData[x + bitmap.Width * y];
int index = 4 * ((x + blitX) + (y + blitY) * _textureSize);
textureData[index] = 255;
textureData[index + 1] = 255;
textureData[index + 2] = 255;
textureData[index + 3] = bltVal;
/* Experimental Outlining of text
* int[] xOffsets = new int[]{
* -1, -1, -1, 0, 1, 1, 1, 0
* };
*
* int[] yOffsets = new int[]{
* 1, 0, -1, -1, -1, 0, 1, 1
* };
*
* if (bltVal != 0)
* {
* int outlineThickness = 1;
* bool done = false;
* for (int dir = 0; dir < 8; dir++)
* {
* int xOffsetBase = xOffsets[dir];
* int yOffsetBase = yOffsets[dir];
* for (int j = 1; j <= outlineThickness; j++)
* {
* int xOffset = xOffsetBase * j;
* int yOffset = yOffsetBase * j;
*
* byte nextVal = (x + xOffset < 0 || x + xOffset >= bitmap.Width || y + yOffset < 0 || y + yOffset >= bitmap.Rows) ? (byte)0
* : bitmapData[(x + xOffset) + bitmap.Width * (y + yOffset)];
* if (nextVal == 0)
* {
* outlineData[index] = 255;
* outlineData[index + 1] = 255;
* outlineData[index + 2] = 255;
* outlineData[index + 3] = 255;
* done = true;
* break;
* }
* }
* if (done)
* break;
*
*
* }
* }
*/
}
}
_fontGlyphs[i].GlpyhID = glyphIndex;
Shape glyphRect = ShapeFactory.GenerateRectangle();
glyphRect.SetTextureCoordOffset(blitX / (float)_textureSize, blitY / (float)_textureSize);
glyphRect.SetTextureCoordScale(bitmap.Width / (float)_textureSize, bitmap.Rows / (float)_textureSize);
_fontGlyphs[i].GlyphRect = glyphRect;
_fontGlyphs[i].SourceX = blitX / (float)_textureSize;
_fontGlyphs[i].SourceY = blitY / (float)_textureSize;
_fontGlyphs[i].SourceWidth = bitmap.Width / (float)_textureSize;
_fontGlyphs[i].SourceHeight = bitmap.Rows / (float)_textureSize;
_fontGlyphs[i].RealWidth = bitmap.Width;
_fontGlyphs[i].RealHeight = bitmap.Rows;
if (_lineHeight < bitmap.Rows)
{
_lineHeight = bitmap.Rows;
}
_fontGlyphs[i].BearingX = (int)_fontFace.Glyph.Metrics.HorizontalBearingX;
_fontGlyphs[i].BearingY = (int)_fontFace.Glyph.Metrics.HorizontalBearingY;
_fontGlyphs[i].AdvanceX = (int)_fontFace.Glyph.Advance.X;
_fontGlyphs[i].TextureID = _textureID;
_fontGlyphs[i].Loaded = true;
}
catch
{
_fontGlyphs[i].Loaded = false;
}
}
Texture.BindTexture(_textureID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, _textureSize, _textureSize, 0, OpenTK.Graphics.OpenGL.PixelFormat.Rgba, PixelType.UnsignedByte, textureData);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
}