public void DrawLine(Pen pen, float startx, float starty, float endx, float endy)
{
SetOffset(false);
Control.MoveTo(startx, starty);
Control.LineTo(endx, endy);
pen.Apply(this);
}
public void DrawPath(Pen pen, IGraphicsPath path)
{
SetOffset(false);
Control.Save();
path.Apply(Control);
pen.Apply(this);
Control.Restore();
}
public bool StrokeContains(Pen pen, PointF point)
{
using (var context = Playback())
{
pen.Apply(context);
return(context.InStroke(point.X, point.Y));
}
}
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.StrokeEllipseInRect(rect);
EndDrawing();
}
public void DrawRectangle(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.AddRect(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();
EndDrawing();
}
public void DrawLine(Pen pen, float startx, float starty, float endx, float endy)
{
SetOffset(false);
StartDrawing();
pen.Apply(this);
Control.StrokeLineSegments(new []
{
new CGPoint(startx, starty),
new CGPoint(endx, endy)
});
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();
}
public void DrawPath(Pen pen, IGraphicsPath path)
{
StartDrawing();
Control.TranslateCTM(offset, offset);
pen.Apply(this);
Control.BeginPath();
Control.AddPath(path.ToCG());
Control.StrokePath();
EndDrawing();
}
public void DrawArc(Pen pen, float x, float y, float width, float height, float startAngle, float sweepAngle)
{
StartDrawing();
var rect = TranslateView(new CGRect(x, y, width, height), true);
pen.Apply(this);
var yscale = rect.Height / rect.Width;
var centerY = rect.GetMidY();
var centerX = rect.GetMidX();
Control.ConcatCTM(new CGAffineTransform(1.0f, 0, 0, yscale, 0, centerY - centerY * yscale));
Control.AddArc(centerX, centerY, rect.Width / 2, Conversions.DegreesToRadians(startAngle), Conversions.DegreesToRadians(startAngle + sweepAngle), sweepAngle < 0);
Control.StrokePath();
EndDrawing();
}
public void DrawEllipse(Pen pen, float x, float y, float width, float height)
{
StartDrawing();
var rect = TranslateView(new CGRect(x, y, width, height), true);
pen.Apply(this);
Control.StrokeEllipseInRect(rect);
EndDrawing();
}
public void DrawLine(Pen pen, float startx, float starty, float endx, float endy)
{
StartDrawing();
pen.Apply(this);
Control.StrokeLineSegments(new []
{
TranslateView(new CGPoint(startx, starty), true),
TranslateView(new CGPoint(endx, endy), true)
});
EndDrawing();
}
public static void Apply(this Pen pen, GraphicsHandler graphics) => pen.Apply(graphics.Control);
public void DrawRectangle(Pen pen, float x, float y, float width, float height)
{
StartDrawing();
var rect = TranslateView(new SD.RectangleF(x, y, width, height), true);
pen.Apply(this);
Control.StrokeRect(rect);
EndDrawing();
}
