public void DrawRectangle(Rect frame, Size corner, Pen pen = null, Brush brush = null)
{
if (corner.Width > 0 || corner.Height > 0)
{
using (var path = new GraphicsPath()) {
var xdia = corner.Width * 2;
var ydia = corner.Height * 2;
if (xdia > frame.Width)
{
xdia = frame.Width;
}
if (ydia > frame.Height)
{
ydia = frame.Height;
}
// define a corner
var Corner = Conversions.GetRectangleF(frame);
path.AddArc(Corner, 180, 90);
// top right
Corner.X += (float)(frame.Width - xdia);
path.AddArc(Corner, 270, 90);
// bottom right
Corner.Y += (float)(frame.Height - ydia);
path.AddArc(Corner, 0, 90);
// bottom left
Corner.X -= (float)(frame.Width - xdia);
path.AddArc(Corner, 90, 90);
// end path
path.CloseFigure();
if (brush != null)
{
graphics.FillPath(brush.GetBrush(frame), path);
}
if (pen != null)
{
graphics.DrawPath(pen.GetPen(), path);
}
}
}
else
{
if (brush != null)
{
graphics.FillRectangle(brush.GetBrush(frame), Conversions.GetRectangleF(frame));
}
if (pen != null)
{
var r = Conversions.GetRectangleF(frame);
graphics.DrawRectangle(pen.GetPen(), r.X, r.Y, r.Width, r.Height);
}
}
}
public void DrawRectangle(Rect frame, Size corner, Pen pen = null, Brush brush = null)
{
if (corner.Width > 0 || corner.Height > 0)
{
var geometry = new StreamGeometry();
using (var context = geometry.Open())
{
bool isStroked = pen != null;
const bool isSmoothJoin = true;
var diag = corner.Diagonal;
var cornerRadius = new {
TopLeft = diag,
TopRight = diag,
BottomRight = diag,
BottomLeft = diag
};
var rect = frame.GetRect();
context.BeginFigure(rect.TopLeft + new Vector(0, cornerRadius.TopLeft), brush != null, true);
context.ArcTo(new System.Windows.Point(rect.TopLeft.X + cornerRadius.TopLeft, rect.TopLeft.Y),
new System.Windows.Size(cornerRadius.TopLeft, cornerRadius.TopLeft),
90, false, SweepDirection.Clockwise, isStroked, isSmoothJoin);
context.LineTo(rect.TopRight - new Vector(cornerRadius.TopRight, 0), isStroked, isSmoothJoin);
context.ArcTo(new System.Windows.Point(rect.TopRight.X, rect.TopRight.Y + cornerRadius.TopRight),
new System.Windows.Size(cornerRadius.TopRight, cornerRadius.TopRight),
90, false, SweepDirection.Clockwise, isStroked, isSmoothJoin);
context.LineTo(rect.BottomRight - new Vector(0, cornerRadius.BottomRight), isStroked, isSmoothJoin);
context.ArcTo(new System.Windows.Point(rect.BottomRight.X - cornerRadius.BottomRight, rect.BottomRight.Y),
new System.Windows.Size(cornerRadius.BottomRight, cornerRadius.BottomRight),
90, false, SweepDirection.Clockwise, isStroked, isSmoothJoin);
context.LineTo(rect.BottomLeft + new Vector(cornerRadius.BottomLeft, 0), isStroked, isSmoothJoin);
context.ArcTo(new System.Windows.Point(rect.BottomLeft.X, rect.BottomLeft.Y - cornerRadius.BottomLeft),
new System.Windows.Size(cornerRadius.BottomLeft, cornerRadius.BottomLeft),
90, false, SweepDirection.Clockwise, isStroked, isSmoothJoin);
context.Close();
}
dc.DrawGeometry(brush?.GetBrush(), pen?.GetPen(), geometry);
}
else
{
dc.DrawRectangle(brush?.GetBrush(), pen?.GetPen(), frame.GetRect());
}
}
public void DrawText(string text, Rect frame, Font font, TextAlignment alignment = TextAlignment.Left, Pen pen = null, Brush brush = null)
{
var formattedText = new FormattedText(text, CultureInfo.InvariantCulture, System.Windows.FlowDirection.LeftToRight, font.GetTypeface(), font.Size, null);
formattedText.SetForegroundBrush(brush?.GetBrush());
dc.DrawText(formattedText, frame.BottomLeft.GetPoint());
}
public void DrawEllipse(Rect frame, Pen pen = null, Brush brush = null)
{
if (brush != null)
{
graphics.FillEllipse(brush.GetBrush(frame), Conversions.GetRectangleF(frame));
}
if (pen != null)
{
graphics.DrawEllipse(pen.GetPen(), Conversions.GetRectangleF(frame));
}
}
public void DrawRectangle(Rect frame, Pen pen = null, Brush brush = null)
{
if (brush != null)
{
graphics.FillRectangle(brush.GetBrush(frame), Conversions.GetRectangleF(frame));
}
if (pen != null)
{
var r = Conversions.GetRectangleF(frame);
graphics.DrawRectangle(pen.GetPen(), r.X, r.Y, r.Width, r.Height);
}
}
public void DrawPath(IEnumerable <PathOp> ops, Pen pen, Brush brush)
{
StreamGeometry streamGeometry = new StreamGeometry();
using (StreamGeometryContext geometryContext = streamGeometry.Open())
{
foreach (var op in ops)
{
var mt = op as MoveTo;
if (mt != null)
{
geometryContext.BeginFigure(mt.Point.GetPoint(), true, false);
continue;
}
var lt = op as LineTo;
if (lt != null)
{
geometryContext.LineTo(lt.Point.GetPoint(), true, false);
continue;
}
var at = op as ArcTo;
if (at != null)
{
/*
* Point c1, c2;
* at.GetCircles(pp, out c1, out c2);
* var circleCenter = at.LargeArc ^ !at.SweepClockwise ? c2 : c1;
* var rotationAngle = (float)Math.Atan2(at.Point.Y - circleCenter.Y, at.Point.X - circleCenter.X);
* geometryContext.ArcTo(at.Point.GetPoint(), at.Radius.GetSize(), rotationAngle,
* at.LargeArc, at.SweepClockwise ? SweepDirection.Clockwise : SweepDirection.Counterclockwise,
* true, false
* );*/
throw new NotImplementedException();
}
var ct = op as CurveTo;
if (ct != null)
{
geometryContext.BezierTo(ct.Control1.GetPoint(), ct.Control2.GetPoint(), ct.Point.GetPoint(), true, false);
}
throw new NotSupportedException();
}
}
dc.DrawGeometry(brush?.GetBrush(), pen?.GetPen(), streamGeometry);
}
public void DrawEllipse(Rect frame, Pen pen = null, Brush brush = null)
{
dc.DrawEllipse(brush?.GetBrush(), pen?.GetPen(), frame.Center.GetPoint(), frame.Width / 2, frame.Height / 2);
}
public void DrawRectangle(Rect frame, Pen pen = null, Brush brush = null)
{
dc.DrawRectangle(brush?.GetBrush(), pen?.GetPen(), frame.GetRect());
}
public void DrawPath(IEnumerable <PathOp> ops, Pen pen = null, Brush brush = null)
{
using (var path = new GraphicsPath()) {
var bb = new BoundingBoxBuilder();
var position = Point.Zero;
foreach (var op in ops)
{
var mt = op as MoveTo;
if (mt != null)
{
var p = mt.Point;
position = p;
bb.Add(p);
continue;
}
var lt = op as LineTo;
if (lt != null)
{
var p = lt.Point;
path.AddLine(Conversions.GetPointF(position), Conversions.GetPointF(p));
position = p;
bb.Add(p);
continue;
}
var at = op as ArcTo;
if (at != null)
{
var p = at.Point;
path.AddLine(Conversions.GetPointF(position), Conversions.GetPointF(p));
position = p;
bb.Add(p);
continue;
}
var ct = op as CurveTo;
if (ct != null)
{
var p = ct.Point;
var c1 = ct.Control1;
var c2 = ct.Control2;
path.AddBezier(Conversions.GetPointF(position), Conversions.GetPointF(c1),
Conversions.GetPointF(c2), Conversions.GetPointF(p));
position = p;
bb.Add(p);
bb.Add(c1);
bb.Add(c2);
continue;
}
var cp = op as ClosePath;
if (cp != null)
{
path.CloseFigure();
continue;
}
throw new NotSupportedException("Path Op " + op);
}
var frame = bb.BoundingBox;
if (brush != null)
{
graphics.FillPath(brush.GetBrush(frame), path);
}
if (pen != null)
{
graphics.DrawPath(pen.GetPen(), path);
}
}
}
public void DrawPath(IEnumerable <PathOp> ops, Pen pen = null, Brush brush = null)
{
using (var path = new GraphicsPath()) {
var bb = new BoundingBoxBuilder();
var position = Point.Zero;
foreach (var op in ops)
{
var mt = op as MoveTo;
if (mt != null)
{
var p = mt.Point;
position = p;
bb.Add(p);
continue;
}
var lt = op as LineTo;
if (lt != null)
{
var p = lt.Point;
path.AddLine(Conversions.GetPointF(position), Conversions.GetPointF(p));
position = p;
bb.Add(p);
continue;
}
var at = op as ArcTo;
if (at != null)
{
var p = at.Point;
Point c1, c2;
at.GetCircles(position, out c1, out c2);
var circleCenter = (at.LargeArc ^ at.SweepClockwise) ? c1 : c2;
var rect = new Rect(circleCenter - at.Radius, at.Radius * 2);
var startAngle = Conversions.RadToDeg((float)Math.Atan2(position.Y - circleCenter.Y, position.X - circleCenter.X));
var endAngle = Conversions.RadToDeg((float)Math.Atan2(p.Y - circleCenter.Y, p.X - circleCenter.X));
var sweepAngle = endAngle - startAngle;
if (at.SweepClockwise && sweepAngle < 0)
{
// If we want to go CW, sweepAngle needs to be positive
sweepAngle += 360.0f;
}
else if (!at.SweepClockwise && sweepAngle > 0)
{
// If we want to go CCW, sweepAngle needs to be negative
sweepAngle -= 360.0f;
}
path.AddArc(Conversions.GetRectangleF(rect), startAngle, sweepAngle);
position = p;
bb.Add(p);
continue;
}
var ct = op as CurveTo;
if (ct != null)
{
var p = ct.Point;
var c1 = ct.Control1;
var c2 = ct.Control2;
path.AddBezier(Conversions.GetPointF(position), Conversions.GetPointF(c1),
Conversions.GetPointF(c2), Conversions.GetPointF(p));
position = p;
bb.Add(p);
bb.Add(c1);
bb.Add(c2);
continue;
}
var cp = op as ClosePath;
if (cp != null)
{
path.CloseFigure();
continue;
}
throw new NotSupportedException("Path Op " + op);
}
var frame = bb.BoundingBox;
if (brush != null)
{
graphics.FillPath(brush.GetBrush(frame), path);
}
if (pen != null)
{
graphics.DrawPath(pen.GetPen(), path);
}
}
}