public static void FillRoundedRectangle(this ICanvas target, Rectangle rect, double topLeftCornerRadius, double topRightCornerRadius, double bottomLeftCornerRadius, double bottomRightCornerRadius)
{
var path = new PathF();
path.AppendRoundedRectangle((float)rect.X, (float)rect.Y, (float)rect.Width, (float)rect.Height, (float)topLeftCornerRadius, (float)topRightCornerRadius, (float)bottomLeftCornerRadius, (float)bottomRightCornerRadius);
target.FillPath(path);
}
void AddBezier(PathF path, BezierSegment bezierSegment)
{
path.CurveTo(
(float)(bezierSegment.Point1.X), (float)(bezierSegment.Point1.Y),
(float)(bezierSegment.Point2.X), (float)(bezierSegment.Point2.Y),
(float)(bezierSegment.Point3.X), (float)(bezierSegment.Point3.Y));
}
private static void DrawStrokes(ICanvas canvas)
{
//
// DrawXXXX Methods
//
canvas.DrawLine(0, 0, 100, 100);
canvas.Translate(100, 0);
canvas.DrawRectangle(0, 0, 100, 100);
canvas.Translate(100, 0);
canvas.DrawEllipse(0, 0, 100, 100);
canvas.Translate(100, 0);
canvas.DrawRoundedRectangle(0, 0, 100, 100, 25);
var vPath = new PathF();
vPath.MoveTo(0, 0);
vPath.LineTo(0, 100);
vPath.QuadTo(100, 100, 100, 0);
vPath.CurveTo(50, 0, 100, 50, 50, 50);
canvas.Translate(100, 0);
canvas.DrawPath(vPath);
canvas.Translate(100, 0);
canvas.DrawRectangle(0, 0, 100, 50);
canvas.Translate(100, 0);
canvas.DrawEllipse(0, 0, 100, 50);
canvas.Translate(100, 0);
canvas.DrawRoundedRectangle(0, 0, 100, 50, 25);
canvas.Translate(100, 0);
canvas.DrawRoundedRectangle(0, 0, 100, 25, 25);
}
private void SKElement_PaintSurface(object sender, SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs e)
{
ICanvas canvas = new SkiaCanvas()
{
Canvas = e.Surface.Canvas
};
//canvas.FillColor = Colors.Transparent;
//canvas.FillColor = Colors.White.WithAlpha(0.9f);
//canvas.FillRectangle(0, 0, (float)DrawSurface.ActualWidth, (float)DrawSurface.ActualHeight);
//canvas.StrokeColor = Colors.Red.WithAlpha(.5f);
canvas.StrokeColor = Colors.Red;
canvas.StrokeSize = 2;
var path = new PathF();
if (_points.Count > 0)
{
path.MoveTo(_points[0].X, _points[0].Y);
for (int i = 1; i < _points.Count; i++)
{
path.LineTo(_points[i].X, _points[i].Y);
}
//path.Close();
canvas.DrawPath(path);
}
}
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/EllipseGeometry.xml" path="//Member[@MemberName='AppendPath']/Docs" />
public override void AppendPath(PathF path)
{
var radiusX = (float)RadiusX;
var radiusY = (float)RadiusY;
path.AppendEllipse((float)Center.X - radiusX, (float)Center.Y - radiusY, radiusX * 2f, radiusY * 2f);
}
public static void DrawRoundedRectangle(this ICanvas target, float x, float y, float width, float height, float topLeftCornerRadius, float topRightCornerRadius, float bottomLeftCornerRadius, float bottomRightCornerRadius)
{
var path = new PathF();
path.AppendRoundedRectangle(x, y, width, height, topLeftCornerRadius, topRightCornerRadius, bottomLeftCornerRadius, bottomRightCornerRadius);
target.DrawPath(path);
}
public override PathF PathForBounds(Microsoft.Maui.Graphics.Rectangle rect)
{
var path = new PathF();
path.AppendRectangle(rect);
return(path);
}
public override PathF PathForBounds(Rectangle rect)
{
var path = new PathF();
path.AppendEllipse(new RectangleF((float)rect.X, (float)rect.Y, (float)rect.Width, (float)rect.Height));
return(path);
}
void AddPolyLine(PathF path, PolyLineSegment polyLineSegment)
{
foreach (var p in polyLineSegment.Points)
{
path.LineTo((float)p.X, (float)p.Y);
}
}
public override void Draw(ICanvas canvas)
{
canvas.SaveState();
canvas.SetShadow(
CanvasDefaults.DefaultShadowOffset,
CanvasDefaults.DefaultShadowBlur,
CanvasDefaults.DefaultShadowColor);
canvas.FillColor = Colors.Blue;
var path = new PathF(10, 10);
path.LineTo(30, 10);
path.LineTo(20, 30);
path.Close();
canvas.FillPath(path);
canvas.FillColor = Colors.Salmon;
canvas.FillRectangle(100, 100, 100, 100);
canvas.FillColor = Colors.Beige;
canvas.FillOval(100, 300, 100, 50);
canvas.RestoreState();
}
public override PathF PathForBounds(RectangleF rect)
{
var path = new PathF();
path.AppendRoundedRectangle(rect, _cornerRadius);
return(path);
}
public override void Draw(ICanvas canvas)
{
canvas.SaveState();
canvas.StrokeColor = Colors.Black;
canvas.StrokeSize = 10;
canvas.Translate(0, -350);
//
// StrokeLocation.CENTER
//
canvas.StrokeSize = 10;
canvas.DrawRectangle(50, 400, 100, 50);
canvas.DrawEllipse(200, 400, 100, 50);
canvas.DrawRoundedRectangle(350, 400, 100, 50, 25);
var path = new PathF();
path.MoveTo(550, 400);
path.LineTo(500, 450);
path.LineTo(600, 450);
path.Close();
canvas.DrawPath(path);
canvas.RestoreState();
}
void AddBezier(PathF path, BezierSegment bezierSegment, double density)
{
path.CurveTo(
(float)(density * bezierSegment.Point1.X), (float)(density * bezierSegment.Point1.Y),
(float)(density * bezierSegment.Point2.X), (float)(density * bezierSegment.Point2.Y),
(float)(density * bezierSegment.Point3.X), (float)(density * bezierSegment.Point3.Y));
}
public override PathF PathForBounds(RectangleF rect)
{
var path = new PathF();
path.AppendRectangle(rect);
return(path);
}
public static void FillRoundedRectangle(this ICanvas target, RectangleF rect, float topLeftCornerRadius, float topRightCornerRadius, float bottomLeftCornerRadius, float bottomRightCornerRadius)
{
var path = new PathF();
path.AppendRoundedRectangle(rect, topLeftCornerRadius, topRightCornerRadius, bottomLeftCornerRadius, bottomRightCornerRadius);
target.FillPath(path);
}
PathF IShape.PathForBounds(Graphics.Rectangle bounds)
{
var path = new PathF();
AppendPath(path);
return(path);
}
public PathF PathForBounds(Rectangle rect)
{
var path = new PathF();
path.AppendRoundedRectangle(rect, (float)CornerRadius.TopLeft, (float)CornerRadius.TopRight, (float)CornerRadius.BottomLeft, (float)CornerRadius.BottomRight);
return(path);
}
public override PathF PathForBounds(Rectangle rect)
{
var cornerRadius = (float)(Orientation == Orientation.Horizontal ? rect.Height : rect.Width) / 2f;
var path = new PathF();
path.AppendRoundedRectangle(rect, cornerRadius);
return(path);
}
public static PathF AsPathF(this CGPath target)
{
var path = new PathF();
var converter = new PathConverter(path);
target.Apply(converter.ApplyCGPathFunction);
return(path);
}
public PathF PathForBounds(Rect rect)
{
var path = new PathF();
path.AppendRoundedRectangle(rect, (float)RadiusY + (float)RadiusX);
return(path);
}
public RectangleF GetPathBoundsWhenRotated(PointF centerOfRotation, PathF path, float angle)
{
var nativePath = path.AsRotatedCGPath(centerOfRotation, 1, 1f, angle);
var bounds = nativePath.PathBoundingBox;
nativePath.Dispose();
return(bounds.AsRectangleF());
}
public PathF PathForBounds(Rect rect)
{
var path = new PathF();
path.AppendEllipse(0f, 0f, (float)Width, (float)Height);
return(path.AsScaledPath((float)Width / (float)rect.Width));
}
public override PathF PathForBounds(Rectangle rect)
{
var path = new PathF();
var cornerSize = (float)Math.Min(rect.Width, rect.Height) / 2;
path.AppendRoundedRectangle(rect, cornerSize);
return(path);
}
public override PathF GetPath()
{
var path = new PathF();
Data.AppendPath(path);
return(path);
}
public PathF PathForBounds(Rect rect)
{
var path = new PathF();
Data?.AppendToPath(path);
return(path.AsScaledPath((float)Width / (float)rect.Width));
}
public static UIBezierPath AsUIBezierPath(this PathF target)
{
if (target == null)
{
return(null);
}
return(UIBezierPath.FromPath(target.AsCGPath()));
}
public static CGPath AsCGPath(
this PathF target,
float scale,
float zoom)
{
var factor = scale * zoom;
return(AsCGPath(target, 0, 0, factor, factor));
}
public PathF PathForBounds(Rectangle rect)
{
var path = new PathF();
path.MoveTo((float)X1, (float)Y1);
path.LineTo((float)X2, (float)Y2);
return(path.AsScaledPath((float)Width / (float)rect.Width));
}
void AddPolyLine(PathF path, PolyLineSegment polyLineSegment, double density)
{
foreach (var p in polyLineSegment.Points)
{
path.LineTo(
(float)(density * p.X),
(float)(density * p.Y));
}
}
public override PathF GetPath()
{
var path = new PathF();
path.MoveTo((float)X1, (float)Y1);
path.LineTo((float)X2, (float)Y2);
return(path);
}
private void btnDrawText_Click(object sender, EventArgs e)
{
m_painter.SetSource(Color.Red);
using (PathF path = new PathF())
{
using (FogNET.Font font = new FogNET.Font("Tahoma", 12))
{
path.AddString("Hello Foggy :)", font, new PointF(120, 50));
}
m_painter.FillPath(path);
}
UpdatePictureBox();
}
