static SimpleFontAtlasBuilder CreateSampleMsdfTextureFont(string fontfile,
float sizeInPoint,
ushort startGlyphIndex, ushort endGlyphIndex)
{
//read type face from file
Typeface typeface;
using (var fs = new FileStream(fontfile, FileMode.Open, FileAccess.Read))
{
var reader = new OpenFontReader();
//1. read typeface from font file
typeface = reader.Read(fs);
}
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new MyGlyphPathBuilder(typeface);
//builder.UseTrueTypeInterpreter = this.chkTrueTypeHint.Checked;
//builder.UseVerticalHinting = this.chkVerticalHinting.Checked;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
var msdfBuilder = new MsdfGlyphGen();
for (ushort n = startGlyphIndex; n <= endGlyphIndex; ++n)
{
//build glyph
builder.BuildFromGlyphIndex(n, sizeInPoint);
var msdfGlyphGen = new MsdfGlyphGen();
var actualImg = msdfGlyphGen.CreateMsdfImage(
builder.GetOutputPoints(),
builder.GetOutputContours(),
builder.GetPixelScale());
atlasBuilder.AddGlyph((int)n, actualImg);
//using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new Rectangle(0, 0, w, h), 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_" + n + ".png");
//}
}
return(atlasBuilder);
//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.xml");
}
List <ushort> inputGlyphs = new List <ushort>(); //not thread safe***
void Print(Typeface typeface, float size, char[] str, List <GlyphPlan> glyphPlanBuffer)
{
//1. layout
_glyphLayout.Layout(typeface, size, str, glyphPlanBuffer);
var glyphPathBuilder = new MyGlyphPathBuilder(typeface);
int j = glyphPlanBuffer.Count;
float pxScale = typeface.CalculateFromPointToPixelScale(size);
for (int i = 0; i < j; ++i)
{
GlyphPlan glyphPlan = glyphPlanBuffer[i];
//-----------------------------------
//check if we static vxs/bmp for this glyph
//if not, create and cache
//-----------------------------------
glyphPathBuilder.BuildFromGlyphIndex(glyphPlan.glyphIndex, size);
//-----------------------------------
var vxsBuilder = new GlyphPathBuilderVxs();
glyphPathBuilder.ReadShapes(vxsBuilder);
glyphPlan.vxs = vxsBuilder.GetVxs(pxScale);
}
}