public void DrawLines(Pen pen, IEnumerable <PointF> points)
{
SetOffset(false);
StartDrawing();
pen.Apply(this);
Control.AddLines(points.Select(r => r.ToNS()).ToArray());
pen.Finish(this);
EndDrawing();
}
public void DrawLine(Pen pen, float startx, float starty, float endx, float endy)
{
SetOffset(false);
StartDrawing();
pen.Apply(this);
Control.MoveTo(startx, starty);
Control.AddLineToPoint(endx, endy);
pen.Finish(this);
EndDrawing();
}
public void DrawEllipse(Pen pen, float x, float y, float width, float height)
{
SetOffset(false);
StartDrawing();
var rect = new CGRect(x, y, width, height);
pen.Apply(this);
Control.AddEllipseInRect(rect);
pen.Finish(this);
EndDrawing();
}
public void DrawPath(Pen pen, IGraphicsPath path)
{
SetOffset(false);
StartDrawing();
pen.Apply(this);
Control.BeginPath();
Control.AddPath(path.ToCG());
//Control.StrokePath();
pen.Finish(this);
EndDrawing();
}
public void DrawArc(Pen pen, float x, float y, float width, float height, float startAngle, float sweepAngle)
{
SetOffset(true);
StartDrawing();
var rect = new CGRect(x, y, width, height);
pen.Apply(this);
var yscale = rect.Height / rect.Width;
var centerY = rect.GetMidY();
var centerX = rect.GetMidX();
Control.SaveState(); // save so the drawing of the pen isn't affected by the transform
Control.ConcatCTM(new CGAffineTransform(1.0f, 0, 0, yscale, 0, centerY - centerY * yscale));
Control.AddArc(centerX, centerY, rect.Width / 2, CGConversions.DegreesToRadians(startAngle), CGConversions.DegreesToRadians(startAngle + sweepAngle), sweepAngle < 0);
Control.RestoreState();
pen.Finish(this);
EndDrawing();
}