private void InitGlyphPointsAndContourEnds(char c)
{
try {
using (FileStream fs = File.OpenRead(ttfPath)) {
OpenFontReader reader = new OpenFontReader();
Typeface typeface = reader.Read(fs);
var builder = new GlyphPathBuilder(typeface);
builder.BuildFromGlyphIndex(typeface.LookupIndex(c), 300);
var txToPath = new GlyphTranslatorToPath();
var writablePath = new WritablePath();
txToPath.SetOutput(writablePath);
builder.ReadShapes(txToPath);
var curveFlattener = new SimpleCurveFlattener();
float[] flattenPoints = curveFlattener.Flatten(
writablePath._points, out _contourEnds);
_glyphPoints2 = flattenPoints;
}
}
catch (Exception) {
ClearGlyphData();
pnlGlyph.Invalidate();
}
}
//-------------
public TextPrinter()
{
FontSizeInPoints = 14;
ScriptLang = ScriptLangs.Latin;
//
_curveFlattener = new SimpleCurveFlattener();
_tessTool = new Tesselate.TessTool();
}
private void FormTess_Load(object sender, EventArgs e)
{
g = this.pnlGlyph.CreateGraphics();
pnlGlyph.MouseDown += PnlGlyph_MouseDown;
//string testFont = "d:\\WImageTest\\DroidSans.ttf";
string testFont = "c:\\Windows\\Fonts\\Tahoma.ttf";
using (FileStream fs = new FileStream(testFont, FileMode.Open, FileAccess.Read))
{
OpenFontReader reader = new OpenFontReader();
Typeface typeface = reader.Read(fs);
//--
var builder = new Typography.Rendering.GlyphPathBuilder(typeface);
builder.BuildFromGlyphIndex(typeface.LookupIndex('a'), 256);
var txToPath = new GlyphTranslatorToPath();
var writablePath = new WritablePath();
txToPath.SetOutput(writablePath);
builder.ReadShapes(txToPath);
//from contour to
var curveFlattener = new SimpleCurveFlattener();
float[] flattenPoints = curveFlattener.Flatten(writablePath._points, out contourEnds);
glyphPoints2 = flattenPoints;
////--------------------------------------
////raw glyph points
//int j = glyphPoints.Length;
//float scale = typeface.CalculateToPixelScaleFromPointSize(256);
//glyphPoints2 = new float[j * 2];
//int n = 0;
//for (int i = 0; i < j; ++i)
//{
// GlyphPointF pp = glyphPoints[i];
// glyphPoints2[n] = pp.X * scale;
// n++;
// glyphPoints2[n] = pp.Y * scale;
// n++;
//}
////--------------------------------------
}
}
private void TextBox1_KeyUp(object sender, KeyEventArgs e)
{
string oneChar = this.textBox1.Text.Trim();
if (string.IsNullOrEmpty(oneChar))
{
return;
}
//
char selectedChar = oneChar[0];
//
//
//selectedChar = 'e';
if (_g == null)
{
_g = this.pnlGlyph.CreateGraphics();
}
_g.Clear(Color.White);
//string testFont = "d:\\WImageTest\\DroidSans.ttf";
//string testFont = "c:\\Windows\\Fonts\\Tahoma.ttf";
string testFont = "d:\\WImageTest\\Alfa_Slab.ttf";
using (FileStream fs = new FileStream(testFont, FileMode.Open, FileAccess.Read))
{
OpenFontReader reader = new OpenFontReader();
Typeface typeface = reader.Read(fs);
//--
var builder = new Typography.Contours.GlyphPathBuilder(typeface);
builder.BuildFromGlyphIndex(typeface.LookupIndex(selectedChar), 300);
var txToPath = new GlyphTranslatorToPath();
var writablePath = new WritablePath();
txToPath.SetOutput(writablePath);
builder.ReadShapes(txToPath);
//from contour to
var curveFlattener = new SimpleCurveFlattener();
float[] flattenPoints = curveFlattener.Flatten(writablePath._points, out _contourEnds);
_glyphPoints2 = flattenPoints;
////--------------------------------------
////raw glyph points
//int j = glyphPoints.Length;
//float scale = typeface.CalculateToPixelScaleFromPointSize(256);
//glyphPoints2 = new float[j * 2];
//int n = 0;
//for (int i = 0; i < j; ++i)
//{
// GlyphPointF pp = glyphPoints[i];
// glyphPoints2[n] = pp.X * scale;
// n++;
// glyphPoints2[n] = pp.Y * scale;
// n++;
//}
////--------------------------------------
}
DrawOutput();
}
void UpdateOutput()
{
string oneChar = this.textBox1.Text.Trim();
if (string.IsNullOrEmpty(oneChar))
{
return;
}
//
char selectedChar = oneChar[0];
//
//
//selectedChar = 'e';
if (_g == null)
{
_g = this.panel1.CreateGraphics();
}
_g.Clear(Color.White);
//-------
//string testFont = "c:\\Windows\\Fonts\\Tahoma.ttf";
//string testFont = @"D:\projects\Typography\Demo\Windows\TestFonts\SourceSerifPro-Regular.otf";
string testFont = @"D:\projects\Typography\Demo\Windows\TestFonts\SourceSansPro-Light.ttf";
//string testFont = @"D:\projects\Typography\Demo\Windows\TestFonts\Sarabun-Regular.ttf";
using (FileStream fs = new FileStream(testFont, FileMode.Open, FileAccess.Read))
{
OpenFontReader reader = new OpenFontReader();
Typeface typeface = reader.Read(fs);
//--
var builder = new Typography.Contours.GlyphPathBuilder(typeface);
builder.BuildFromGlyphIndex(typeface.LookupIndex(selectedChar), 300);
var txToPath = new GlyphTranslatorToPath();
var writablePath = new WritablePath();
txToPath.SetOutput(writablePath);
builder.ReadShapes(txToPath);
//------
//
//**flatten contour before send to Tess***
var curveFlattener = new SimpleCurveFlattener();
if (rdoSimpleIncCurveFlattener.Checked)
{
if (int.TryParse(txtIncrementalTessStep.Text, out int incSteps))
{
curveFlattener.IncrementalStep = incSteps;
}
curveFlattener.FlattenMethod = CurveFlattenMethod.Inc;
}
else
{
if (double.TryParse(txtDivAngleTolerenceEpsilon.Text, out double angleTolerenceEpsilon))
{
//convert degree to rad
curveFlattener.DivCurveAngleTolerenceEpsilon = DegToRad(angleTolerenceEpsilon);
}
if (int.TryParse(txtDivCurveRecursiveLimit.Text, out int recuvesiveLim))
{
curveFlattener.DivCurveRecursiveLimit = recuvesiveLim;
}
curveFlattener.FlattenMethod = CurveFlattenMethod.Div;
}
_glyphPoints2 = curveFlattener.Flatten(writablePath._points, out _contourEnds);
////--------------------------------------
////raw glyph points
//int j = glyphPoints.Length;
//float scale = typeface.CalculateToPixelScaleFromPointSize(256);
//glyphPoints2 = new float[j * 2];
//int n = 0;
//for (int i = 0; i < j; ++i)
//{
// GlyphPointF pp = glyphPoints[i];
// glyphPoints2[n] = pp.X * scale;
// n++;
// glyphPoints2[n] = pp.Y * scale;
// n++;
//}
////--------------------------------------
}
DrawOutput();
}
