IEnumerable <VertexData> GetVertexIter(string text)
{
if (text != null && text.Length > 0)
{
Vector2 currentOffset = new Vector2(0, 0);
currentOffset = GetBaseline(currentOffset);
string[] lines = text.Split('\n');
foreach (string line in lines)
{
currentOffset = GetXPositionForLineBasedOnJustification(currentOffset, line);
for (int currentChar = 0; currentChar < line.Length; currentChar++)
{
var currentGlyph = currentFont.GetGlyph(line[currentChar]);
if (currentGlyph != null)
{
//use flatten ?
var glyphVxs = currentGlyph.flattenVxs;
int j = glyphVxs.Count;
for (int i = 0; i < j; ++i)
{
double x, y;
var cmd = glyphVxs.GetVertex(i, out x, out y);
if (cmd != VertexCmd.Stop)
{
yield return(new VertexData(cmd,
(x + currentOffset.x),
(y + currentOffset.y)));
}
}
}
// get the advance for the next character
if (currentChar < line.Length - 1)
{
// pass the next char so the typeFaceStyle can do kerning if it needs to.
currentOffset.x += currentFont.GetAdvanceForCharacter(line[currentChar], line[currentChar + 1]);
}
else
{
currentOffset.x += currentFont.GetAdvanceForCharacter(line[currentChar]);
}
}
// before we go onto the next line we need to move down a line
currentOffset.x = 0;
currentOffset.y -= currentFont.EmSizeInPixels;
}
}
yield return(new VertexData(VertexCmd.Stop));
}
public override void Draw(CanvasPainter p)
{ //1.
// clear the image to white
p.Clear(ColorRGBA.White);
p.FillColor = new ColorRGBA(ColorRGBA.Blue, 80);
//M414 -20q-163 0 -245 86t-82 236z
//<path d="M414 20q-163 40 -245 126t-82 276z"/>
//PathWriter path = new PathWriter();
//path.MoveTo(414, 20);
//path.Curve3Rel(-163, 40, -245, 126);
//path.SmoothCurve3Rel(-82, 246);
//path.CloseFigure();
//M414 -20q-163 0 -245 86t-82 236z
//PathWriter path = new PathWriter();
//path.MoveTo(414, -20);
//path.Curve3Rel(-163, 0, -245, 86);
//path.SmoothCurve3Rel(-82, 236);
//path.CloseFigure();
//p.Fill(p.FlattenCurves(path.Vxs));
//p.DrawBezierCurve(120, 500 - 160, 220, 500 - 40, 35, 500 - 200, 220, 500 - 260);
//---------------------------------------------------
var fontGlyph = font1.GetGlyph('{');
//outline version
var flat_v = p.FlattenCurves(fontGlyph.flattenVxs);
p.Fill(flat_v);
//bitmap version
p.DrawImage(fontGlyph.glyphImage32, 20, 30);
p.CurrentFont = font1;
p.FillColor = ColorRGBA.Black;
// string test_str = "มีมี่ญูดุญคำค่าค่ำป่บ่";
//string test_str = "abcde";
string test_str = "บ่ป่มีมี่";
p.UseSubPixelRendering = true;
p.DrawString(test_str, 5, 200);
//p.DrawString("12345", 50, 200);
p.StrokeColor = ColorRGBA.Black;
p.Line(0, 200, 800, 200);
p.FillColor = ColorRGBA.Black;
p.CurrentFont = font2;
p.DrawString(test_str, 80, 100);
p.UseSubPixelRendering = false;
//---------------------------------------------------
//p.Fill(fontGlyph.vxs);
#if DEBUG
//p.Fill(fontGlyph.vxs);
// dbugVxsDrawPoints.DrawVxsPoints(flat_v, g);
//dbugVxsDrawPoints.DrawVxsPoints(fontGlyph.vxs, g);
#endif
//p.Fill(p.FlattenCurves(fontGlyph.vxs));
//StyledTypeFace typeFaceForLargeA = new StyledTypeFace(LiberationSansFont.Instance, 300, flatenCurves: false);
//var m_pathVxs = typeFaceForLargeA.GetGlyphForCharacter('a');
//Affine shape_mtx = Affine.NewMatix(AffinePlan.Translate(150, 50));
//m_pathVxs = shape_mtx.TransformToVxs(m_pathVxs);
////p.FillColor = new ColorRGBA(ColorRGBA.Red, 100);
////p.Fill(m_pathVxs);
//p.FillColor = new ColorRGBA(ColorRGBA.Green, 120);
//p.Fill(p.FlattenCurves(m_pathVxs));
}