//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
if (!(FGeometryIn.IsChanged || FGeometryIn2.IsChanged))
{
return;
}
FGeometryOut.SliceCount = 0;
for (int i = 0; i < SpreadMax; i++)
{
try {
PathGeometry geom = PathGeometry.Combine(FGeometryIn[i], FGeometryIn2[i], GeometryCombineMode.Intersect, null);
// no intersection:
if (geom.Figures == null || geom.Figures.Count == 0)
{
// FGeometryOut.Add(new PathGeometry());
}
else
{
for (int j = 0; j < geom.Figures.Count; j++)
{
PathGeometry g = new PathGeometry();
g.Figures = new PathFigureCollection();
g.Figures.Add(geom.Figures[j]);
FGeometryOut.Add(g);
}
}
} catch (Exception e) {
FLogger.Log(LogType.Error, e.ToString());
FGeometryOut[i] = new PathGeometry();
}
}
}
public IGeometry Combine(CombineMode mode, IGeometry other)
{
var otherImplementation = other.import();
var combined = Path.Geometry(
Geometry.Factory,
sink => Geometry.Combine(otherImplementation, mode.import(), sink));
return(new GeometryImplementation(combined));
}
//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
if (!FGeometryIn.IsChanged)
{
return;
}
FGeometryOut.SliceCount = FGeometryIn.SliceCount;
for (int i = 0; i < FGeometryIn.SliceCount; i++)
{
var geom = new PathGeometry();
for (int j = 0; j < FGeometryIn[i].SliceCount; j++)
{
try
{
geom = PathGeometry.Combine(geom, FGeometryIn[i][j], GeometryCombineMode.Union, null);
if (geom.Figures == null || geom.Figures.Count == 0)
{
FGeometryOut[i] = new PathGeometry();
}
var g = new PathGeometry();
for (int k = 0; k < geom.Figures.Count; k++)
{
g.Figures = new PathFigureCollection();
g.Figures.Add(geom.Figures[k]);
// FLogger.Log(LogType.Debug, "uni count" + i.ToString() + " " +j.ToString());
}
FGeometryOut[i] = g;
}
catch (Exception e)
{
FLogger.Log(LogType.Error, e.ToString());
}
}
}
}
//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
if (!(FGeometryIn.IsChanged || FGeometryIn2.IsChanged))
{
return;
}
FGeometryOut.SliceCount = 0;
for (int i = 0; i < SpreadMax; i++)
{
try {
PathGeometry geom = PathGeometry.Combine(FGeometryIn[i], FGeometryIn2[i], GeometryCombineMode.Exclude, null);
for (int j = 0; j < geom.Figures.Count; j++)
{
PathGeometry g = new PathGeometry();
g.Figures = new PathFigureCollection();
g.Figures.Add(geom.Figures[j]);
FGeometryOut.Add(g);
}
} catch (Exception e) { }
}
}
static void Main(string[] args)
{
List <string> charLines = new List <string>();
DirectoryInfo d = new DirectoryInfo(@"D:\MachineLearning\Document Layout Analysis\Fonts");
List <FileInfo> Files = d.GetFiles("*.ttc").ToList(); // ttf, fon, ttc // 'fon' doesn't work
Files.AddRange(d.GetFiles("*.ttf"));
foreach (var fontFile in Files)
{
Uri uri = new Uri(fontFile.FullName);
GlyphTypeface glyphTypeface = new GlyphTypeface(uri);
foreach (var unicodePair in unicodeChars)
{
//ScatterplotView view = new ScatterplotView();
//view.Dock = System.Windows.Forms.DockStyle.Fill;
//view.LinesVisible = true;
int indexUnicode = unicodePair.Key;
char unicode = unicodePair.Value;
if (!glyphTypeface.CharacterToGlyphMap.ContainsKey(indexUnicode))
{
continue;
}
var geometry = glyphTypeface.GetGlyphOutline(
glyphTypeface.CharacterToGlyphMap[indexUnicode],
100, 1);
var boundingBox = geometry.Bounds;
var stepX = boundingBox.Width / 8;
var stepY = boundingBox.Height / 8;
var blockArea = stepX * stepY;
List <int> data = new List <int>();
var path = geometry.GetFlattenedPathGeometry();
for (int j = 0; j < 8; j++)
{
for (int i = 0; i < 8; i++)
{
RectangleGeometry block = new RectangleGeometry(
new System.Windows.Rect(
new System.Windows.Point(boundingBox.X + i * stepX, boundingBox.Y + j * stepY),
new System.Windows.Point(boundingBox.X + (i + 1) * stepX, boundingBox.Y + (j + 1) * stepY)));
PathGeometry intersectionGeometry = PathGeometry.Combine(block, path, GeometryCombineMode.Intersect, null);
var area = Math.Round(intersectionGeometry.GetArea() / blockArea * 16, 0);
data.Add((int)area);
}
}
var dataStr = string.Join(",", data);
dataStr += "," + indexUnicode.ToString();
charLines.Add(dataStr);
/*var figures = path.Figures.ToList();
*
* var segments = figures.Select(f => f.Segments.ToList()).ToList();
*
* foreach (var group in segments)
* {
* foreach (var segment in group)
* {
* if (segment is PolyLineSegment polyLineSegment)
* {
* var points = polyLineSegment.Points.ToList();
* var x = points.Select(p => (p.X / (boundingBox.X + boundingBox.Width)) * 8.0).ToArray();
* var y = points.Select(p => -(p.Y / (boundingBox.Height)) * 8.0).ToArray();
*
* view.Graph.GraphPane.AddCurve(unicode.ToString(),
* x, y,
* System.Drawing.Color.Black);
*
* }
* else if (segment is ArcSegment arcSegment)
* {
* throw new NotImplementedException();
* }
* else if (segment is BezierSegment bezierSegment)
* {
* throw new NotImplementedException();
* }
* else if (segment is LineSegment lineSegment)
* {
* throw new NotImplementedException();
* }
* else if (segment is PolyBezierSegment polyBezierSegment)
* {
* throw new NotImplementedException();
* }
* else if (segment is PolyQuadraticBezierSegment polyQuadraticBezierSegment)
* {
* throw new NotImplementedException();
* }
* else if (segment is QuadraticBezierSegment quadraticBezierSegment)
* {
* throw new NotImplementedException();
* }
* else
* {
* throw new ArgumentException(segment.GetType().ToString());
* }
* }
* }*/
//view.Graph.GraphPane.AxisChange();
//var f1 = new System.Windows.Forms.Form();
//f1.Width = 1000;
//f1.Height = 1000;
//f1.Controls.Add(view);
//f1.ShowDialog();
}
}
File.WriteAllLines(@"D:\MachineLearning\Document Layout Analysis\Fonts\chars-train.csv", charLines);
}
