static void CreateSampleMsdfTextureFont(string fontfile, float sizeInPoint, ushort startGlyphIndex, ushort endGlyphIndex, string outputFile)
{
//sample
var reader = new OpenFontReader();
using (var fs = new FileStream(fontfile, FileMode.Open))
{
//1. read typeface from font file
Typeface typeface = reader.Read(fs);
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
//builder.UseTrueTypeInterpreter = this.chkTrueTypeHint.Checked;
//builder.UseVerticalHinting = this.chkVerticalHinting.Checked;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
for (ushort gindex = startGlyphIndex; gindex <= endGlyphIndex; ++gindex)
{
//build glyph
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
var glyphToContour = new GlyphContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
var genParams = new MsdfGenParams();
builder.ReadShapes(glyphToContour);
//genParams.shapeScale = 1f / 64; //we scale later (as original C++ code use 1/64)
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, genParams);
atlasBuilder.AddGlyph(gindex, glyphImg);
using (Bitmap bmp = new Bitmap(glyphImg.Width, glyphImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
int[] buffer = glyphImg.GetImageBuffer();
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg.Width, glyphImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
System.Runtime.InteropServices.Marshal.Copy(buffer, 0, bmpdata.Scan0, buffer.Length);
bmp.UnlockBits(bmpdata);
bmp.Save("d:\\WImageTest\\a001_xn2_" + gindex + ".png");
}
}
var glyphImg2 = atlasBuilder.BuildSingleImage();
using (Bitmap bmp = new Bitmap(glyphImg2.Width, glyphImg2.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg2.Width, glyphImg2.Height),
System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
int[] intBuffer = glyphImg2.GetImageBuffer();
System.Runtime.InteropServices.Marshal.Copy(intBuffer, 0, bmpdata.Scan0, intBuffer.Length);
bmp.UnlockBits(bmpdata);
bmp.Save("d:\\WImageTest\\a_total.png");
}
atlasBuilder.SaveFontInfo("d:\\WImageTest\\a_info.bin");
//
//-----------
//test read texture info back
var atlasBuilder2 = new SimpleFontAtlasBuilder();
var readbackFontAtlas = atlasBuilder2.LoadFontInfo("d:\\WImageTest\\a_info.bin");
}
}