public static CALayer?CreateCALayer(this RadialGradientPaint radialGradientPaint, CGRect frame = default)
{
var center = radialGradientPaint.Center;
var radius = radialGradientPaint.Radius;
var radialGradientLayer = new CAGradientLayer
{
ContentsGravity = CALayer.GravityResizeAspectFill,
Frame = frame,
#pragma warning disable CA1416 // TODO: 'CAGradientLayerType.Radial' is only supported on: 'ios' 12.0 and later
LayerType = CAGradientLayerType.Radial,
#pragma warning restore CA1416
StartPoint = new CGPoint(center.X, center.Y),
EndPoint = GetRadialGradientPaintEndPoint(center, radius),
CornerRadius = (float)radius
};
if (radialGradientPaint.GradientStops != null && radialGradientPaint.GradientStops.Length > 0)
{
var orderedStops = radialGradientPaint.GradientStops.OrderBy(x => x.Offset).ToList();
radialGradientLayer.Colors = orderedStops.Select(x => x.Color.ToCGColor()).ToArray();
radialGradientLayer.Locations = GetCAGradientLayerLocations(orderedStops);
}
return(radialGradientLayer);
}
public void SetRadialGradientPaint(APaint platformPaint, RadialGradientPaint radialGradientPaint)
{
var center = radialGradientPaint.Center;
float centerX = (float)center.X;
float centerY = (float)center.Y;
float radius = (float)radialGradientPaint.Radius;
var gradientData = GetGradientPaintData(radialGradientPaint);
var radialGradientData = new RadialGradientData(gradientData.Colors, gradientData.Offsets, centerX, centerY, radius);
if (_width == 0 && _height == 0)
{
return;
}
if (radialGradientData.Colors == null || radialGradientData.Colors.Length < 2)
{
return;
}
var radialGradient = new RadialGradient(
_width * radialGradientData.CenterX,
_height * radialGradientData.CenterY,
Math.Max(_height, _width) * radialGradientData.Radius,
radialGradientData.Colors,
radialGradientData.Offsets,
Shader.TileMode.Clamp !);
platformPaint.SetShader(radialGradient);
}
public void SetBorderBrush(RadialGradientPaint radialGradientPaint)
{
_strokeColor = null;
_stroke = radialGradientPaint;
SetNeedsDisplay();
}
public void SetBackground(RadialGradientPaint radialGradientPaint)
{
_backgroundColor = null;
_background = radialGradientPaint;
SetNeedsDisplay();
}
public static Drawable? CreateDrawable(this RadialGradientPaint radialGradientPaint, Context? context)
{
if (!radialGradientPaint.IsValid())
return null;
var drawable = new MauiDrawable(context);
drawable.SetBackground(radialGradientPaint);
return drawable;
}
public void SetBorderBrush(RadialGradientPaint radialGradientPaint)
{
_invalidatePath = true;
_borderColor = null;
_stroke = radialGradientPaint;
InitializeBorderIfNeeded();
InvalidateSelf();
}
public void SetBackground(RadialGradientPaint radialGradientPaint)
{
_invalidatePath = true;
_backgroundColor = null;
_background = radialGradientPaint;
InitializeBorderIfNeeded();
InvalidateSelf();
}
public static MauiDrawable?CreateDrawable(this RadialGradientPaint radialGradientPaint)
{
if (!radialGradientPaint.IsValid())
{
return(null);
}
return(new MauiDrawable
{
Background = radialGradientPaint
});
}
public void SetPaint(RadialGradientPaint radialGradientPaint)
{
var center = radialGradientPaint.Center;
float centerX = (float)center.X;
float centerY = (float)center.Y;
float radius = (float)radialGradientPaint.Radius;
var data = GetGradientPaintData(radialGradientPaint);
var shader = new RadialGradientData(data.Colors, data.Offsets, centerX, centerY, radius);
_backgroundColor = null;
SetShaderFactory(new RadialGradientShaderFactory(shader));
}
public static Drawable?CreateDrawable(this RadialGradientPaint radialGradientPaint)
{
if (!radialGradientPaint.IsValid())
{
return(null);
}
var drawable = new MauiDrawable();
drawable.SetPaint(radialGradientPaint);
return(drawable);
}
public static WBrush?CreateBrush(this RadialGradientPaint radialGradientPaint)
{
var brush = new WRadialGradientBrush
{
Center = radialGradientPaint.Center.ToNative(),
RadiusX = radialGradientPaint.Radius,
RadiusY = radialGradientPaint.Radius
};
brush.GradientStops.AddRange(radialGradientPaint.GradientStops);
return(brush);
}
internal static RadialGradientShaderFactory GetRadialGradientShaderFactory(RadialGradientPaint radialGradientPaint, float alpha = 1.0f)
{
var center = radialGradientPaint.Center;
float centerX = (float)center.X;
float centerY = (float)center.Y;
float radius = (float)radialGradientPaint.Radius;
var data = GetGradientPaintData(radialGradientPaint, alpha);
var shader = new RadialGradientData(data.Colors, data.Offsets, centerX, centerY, radius);
var radialGradientShaderFactory = new RadialGradientShaderFactory(shader);
return radialGradientShaderFactory;
}
internal static RadialGradientShaderFactory GetRadialGradientShaderFactory(RadialGradientPaint radialGradientPaint)
{
var center = radialGradientPaint.Center;
float centerX = (float)center.X;
float centerY = (float)center.Y;
float radius = (float)radialGradientPaint.Radius;
var data = PaintExtensions.GetGradientPaintData(radialGradientPaint);
var shader = new RadialGradientData(data.Colors, data.Offsets, centerX, centerY, radius);
var radialGradientShaderFactory = new RadialGradientShaderFactory(shader);
return(radialGradientShaderFactory);
}
public static void DrawShape(
this ICanvas canvas,
Shape shape,
RectangleF rect,
DrawingStyle drawingStyle = DrawingStyle.Fill,
float strokeWidth = 1,
Color strokeColor = null,
object fill = null)
{
if (shape == null)
{
return;
}
Paint strokePaint = null;
Paint fillPaint = null;
//Graphics.sh shader = null;
float lineWidth = 0;
switch (drawingStyle)
{
case DrawingStyle.StrokeFill:
strokePaint = new SolidPaint
{
BackgroundColor = strokeColor,
};
fillPaint = new SolidPaint
{
//BackgroundColor = strokeColor,
};
break;
case DrawingStyle.Stroke:
strokePaint = new SolidPaint
{
BackgroundColor = strokeColor,
};
fillPaint = new SolidPaint();
break;
case DrawingStyle.Fill:
fillPaint = new SolidPaint();
break;
}
var shapeBounds = new RectangleF(
rect.X + (lineWidth / 2),
rect.Y + (lineWidth / 2),
rect.Width - lineWidth,
rect.Height - lineWidth);
var path = shape.PathForBounds(shapeBounds);
if (fill != null && fillPaint != null)
{
if (fill is Color color)
{
canvas.FillColor = color;
canvas.FillPath(path);
}
else if (fill is Gradient gradient)
{
canvas.SaveState();
var colors = new GradientStop[gradient.Stops.Length];
var sortedStops = gradient.GetSortedStops();
for (var i = 0; i < sortedStops.Length; i++)
{
colors[i] = new GradientStop(sortedStops[i].Offset, sortedStops[i].Color);
}
if (gradient is LinearGradient linearGradient)
{
var x1 = (float)(rect.X + rect.Width * linearGradient.StartPoint.X);
var y1 = (float)(rect.Y + rect.Height * linearGradient.StartPoint.Y);
var x2 = (float)(rect.X + rect.Width * linearGradient.EndPoint.X);
var y2 = (float)(rect.Y + rect.Height * linearGradient.EndPoint.Y);
fillPaint = new LinearGradientPaint
{
GradientStops = colors,
};
canvas.SetFillPaint(fillPaint, new RectangleF(x1, y1, x2, y2));
canvas.FillPath(path);
}
else if (gradient is RadialGradient radialGradient)
{
var x1 = (float)(rect.X + rect.Width * radialGradient.Center.X);
var y1 = (float)(rect.Y + rect.Height * radialGradient.Center.Y);
var x2 = x1;
var y2 = (float)(y1 + radialGradient.EndRadius);
fillPaint = new RadialGradientPaint
{
GradientStops = colors,
};
canvas.SetFillPaint(fillPaint, new RectangleF(x1, y1, x2, y2));
canvas.FillPath(path);
}
//if (shader != null)
//{
// fillPaint.Shader = shader;
// canvas.DrawPath(path, fillPaint);
//}
//shader.Dispose();
canvas.RestoreState();
}
}
if (strokePaint != null)
{
canvas.StrokeSize = strokeWidth;
canvas.StrokeColor = strokeColor;
canvas.DrawPath(path);
}
}
public void Draw(ICanvas canvas, RectF dirtyRect)
{
canvas.SaveState();
//
// DrawXXXX Methods
//
canvas.StrokeColor = Colors.Grey;
canvas.DrawLine(0, 0, 100, 100);
canvas.DrawRectangle(100, 0, 100, 100);
canvas.DrawEllipse(200, 0, 100, 100);
canvas.DrawRoundedRectangle(300, 0, 100, 100, 25);
var path = new PathF();
path.MoveTo(400, 0);
path.LineTo(400, 100);
path.QuadTo(500, 100, 500, 0);
path.CurveTo(450, 0, 500, 50, 450, 50);
canvas.DrawPath(path);
canvas.DrawRectangle(500, 0, 100, 50);
canvas.DrawEllipse(600, 0, 100, 50);
canvas.DrawRoundedRectangle(700, 0, 100, 50, 25);
canvas.DrawRoundedRectangle(800, 0, 100, 25, 25);
//
// FillXXXX Methods
//
canvas.FillColor = Colors.Red;
canvas.FillRectangle(210, 210, 80, 80);
canvas.FillColor = Colors.Green;
canvas.FillEllipse(310, 210, 80, 80);
canvas.FillColor = Colors.Blue;
canvas.FillRoundedRectangle(410, 210, 80, 80, 10);
canvas.FillColor = Colors.CornflowerBlue;
path = new PathF();
path.MoveTo(510, 210);
path.LineTo(550, 290);
path.LineTo(590, 210);
path.Close();
canvas.FillPath(path);
canvas.FillColor = Colors.White;
//
//StrokeLocation.CENTER
//
canvas.StrokeSize = 10;
canvas.DrawRectangle(50, 400, 100, 50);
canvas.DrawEllipse(200, 400, 100, 50);
canvas.DrawRoundedRectangle(350, 400, 100, 50, 25);
path = new PathF();
path.MoveTo(550, 400);
path.LineTo(500, 450);
path.LineTo(600, 450);
path.Close();
canvas.DrawPath(path);
//
// Stroke Color and Line Caps
//
canvas.StrokeColor = Colors.CornflowerBlue;
canvas.DrawLine(100, 120, 300, 120);
canvas.StrokeColor = Colors.Red;
canvas.StrokeLineCap = LineCap.Butt;
canvas.DrawLine(100, 140, 300, 140);
canvas.StrokeColor = Colors.Green;
canvas.StrokeLineCap = LineCap.Round;
canvas.DrawLine(100, 160, 300, 160);
canvas.StrokeColor = Colors.Blue;
canvas.StrokeLineCap = LineCap.Square;
canvas.DrawLine(100, 180, 300, 180);
canvas.StrokeLineCap = LineCap.Butt;
//
// Line Joins
//
canvas.StrokeColor = Colors.Black;
path = new PathF();
path.MoveTo(350, 120);
path.LineTo(370, 180);
path.LineTo(390, 120);
canvas.DrawPath(path);
canvas.StrokeLineJoin = LineJoin.Miter;
path = new PathF();
path.MoveTo(400, 120);
path.LineTo(420, 180);
path.LineTo(440, 120);
canvas.DrawPath(path);
canvas.StrokeLineJoin = LineJoin.Round;
path = new PathF();
path.MoveTo(450, 120);
path.LineTo(470, 180);
path.LineTo(490, 120);
canvas.DrawPath(path);
canvas.StrokeLineJoin = LineJoin.Bevel;
path = new PathF();
path.MoveTo(500, 120);
path.LineTo(520, 180);
path.LineTo(540, 120);
canvas.DrawPath(path);
canvas.StrokeLineJoin = LineJoin.Miter;
canvas.MiterLimit = 2;
path = new PathF();
path.MoveTo(550, 120);
path.LineTo(570, 180);
path.LineTo(590, 120);
canvas.DrawPath(path);
canvas.MiterLimit = CanvasDefaults.DefaultMiterLimit;
//
// Stroke Dash Pattern
//
canvas.StrokeSize = 1;
canvas.StrokeDashPattern = new float[] { 2, 2 };
canvas.DrawLine(650, 120, 800, 120);
canvas.StrokeSize = 3;
canvas.StrokeDashPattern = new float[] { 2, 2 };
canvas.DrawLine(650, 140, 800, 140);
canvas.StrokeDashPattern = new float[] { 4, 4, 1, 4 };
canvas.DrawLine(650, 160, 800, 160);
canvas.StrokeDashPattern = null;
canvas.DrawLine(650, 180, 800, 180);
canvas.StrokeLineCap = LineCap.Butt;
//
// Linear Gradient Fill
//
var linearGradientPaint = new LinearGradientPaint
{
StartColor = Colors.White,
EndColor = Colors.Black
};
linearGradientPaint.StartPoint = new Point(0.1, 0.1);
linearGradientPaint.EndPoint = new Point(0.9, 0.9);
var linearRectangleRectangle = new RectF(50, 700, 100, 50);
canvas.SetFillPaint(linearGradientPaint, linearRectangleRectangle);
canvas.FillRectangle(linearRectangleRectangle);
linearGradientPaint.StartPoint = new Point(0.1, 0.1);
linearGradientPaint.EndPoint = new Point(0.9, 0.9);
var linearEllipseRectangle = new RectF(200, 700, 100, 50);
canvas.SetFillPaint(linearGradientPaint, linearEllipseRectangle);
canvas.FillEllipse(linearEllipseRectangle);
linearGradientPaint.AddOffset(.5f, Colors.IndianRed);
linearGradientPaint.StartPoint = new Point(0.1, 0.1);
linearGradientPaint.EndPoint = new Point(0.9, 0.9);
var linearRoundedRectangleRectangle = new RectF(350, 700, 100, 50);
canvas.SetFillPaint(linearGradientPaint, linearRoundedRectangleRectangle);
canvas.FillRoundedRectangle(linearRoundedRectangleRectangle, 25);
path = new PathF();
path.MoveTo(550, 700);
path.LineTo(500, 750);
path.LineTo(600, 750);
path.Close();
linearGradientPaint.StartPoint = new Point(0.1, 0.1);
linearGradientPaint.EndPoint = new Point(0.9, 0.9);
var linearPathRectangle = new RectF(500, 700, 200, 50);
canvas.SetFillPaint(linearGradientPaint, linearPathRectangle);
canvas.FillPath(path);
//
// Radial Gradient Fill
//
var radialGradientPaint = new RadialGradientPaint
{
StartColor = Colors.White,
EndColor = Colors.Black
};
radialGradientPaint.Center = new Point(0.5, 0.5);
radialGradientPaint.Radius = 0.5;
var radialRectangleRectangle = new RectF(50, 800, 100, 50);
canvas.SetFillPaint(radialGradientPaint, radialRectangleRectangle);
canvas.FillRectangle(radialRectangleRectangle);
radialGradientPaint.Center = new Point(0.5, 0.5);
radialGradientPaint.Radius = 0.5;
var radialEllipseRectangle = new RectF(200, 800, 100, 50);
canvas.SetFillPaint(radialGradientPaint, radialEllipseRectangle);
canvas.FillEllipse(radialEllipseRectangle);
radialGradientPaint.AddOffset(.5f, Colors.IndianRed);
radialGradientPaint.Center = new Point(0.5, 0.5);
radialGradientPaint.Radius = 0.5;
var radialRoundedRectangleRectangle = new RectF(350, 800, 100, 50);
canvas.SetFillPaint(radialGradientPaint, radialRoundedRectangleRectangle);
canvas.FillRoundedRectangle(radialRoundedRectangleRectangle, 25);
path = new PathF();
path.MoveTo(550, 800);
path.LineTo(500, 850);
path.LineTo(600, 850);
path.Close();
radialGradientPaint.Center = new Point(0.5, 0.5);
radialGradientPaint.Radius = 0.5;
var radialPathRectangle = new RectF(550, 800, 200, 50);
canvas.SetFillPaint(radialGradientPaint, radialPathRectangle);
canvas.FillPath(path);
//
// Solid Fill With Shadow
//
canvas.SaveState();
canvas.FillColor = Colors.CornflowerBlue;
canvas.SetShadow(new SizeF(5, 5), 0, Colors.Grey);
canvas.FillRectangle(50, 900, 100, 50);
canvas.SetShadow(new SizeF(5, 5), 2, Colors.Red);
canvas.FillEllipse(200, 900, 100, 50);
canvas.SetShadow(new SizeF(5, 5), 5, Colors.Green);
canvas.FillRoundedRectangle(350, 900, 100, 50, 25);
canvas.SetShadow(new SizeF(10, 10), 5, Colors.Blue);
path = new PathF();
path.MoveTo(550, 900);
path.LineTo(500, 950);
path.LineTo(600, 950);
path.Close();
canvas.FillPath(path);
//
// Draw With Shadow
//
canvas.StrokeColor = Colors.Black;
canvas.SetShadow(new SizeF(5, 5), 0, Colors.Grey);
canvas.DrawRectangle(50, 1000, 100, 50);
canvas.SetShadow(new SizeF(5, 5), 2, Colors.Red);
canvas.DrawEllipse(200, 1000, 100, 50);
canvas.SetShadow(new SizeF(5, 5), 5, Colors.Green);
canvas.DrawRoundedRectangle(350, 1000, 100, 50, 25);
canvas.SetShadow(new SizeF(10, 10), 5, Colors.Blue);
path = new PathF();
path.MoveTo(550, 1000);
path.LineTo(500, 1050);
path.LineTo(600, 1050);
path.Close();
canvas.DrawPath(path);
canvas.RestoreState();
//
// Solid Fill Without Shadow
//
canvas.FillColor = Colors.DarkOliveGreen;
canvas.FillRectangle(50, 1100, 100, 50);
canvas.FillEllipse(200, 1100, 100, 50);
canvas.FillRoundedRectangle(350, 1100, 100, 50, 25);
path = new PathF();
path.MoveTo(550, 1100);
path.LineTo(500, 1150);
path.LineTo(600, 1150);
path.Close();
canvas.FillPath(path);
//
// FILL WITH SHADOW USING ALPHA
//
canvas.SaveState();
canvas.Alpha = .25f;
canvas.FillColor = Colors.CornflowerBlue;
canvas.SetShadow(new SizeF(5, 5), 0, Colors.Grey);
canvas.FillRectangle(50, 1200, 100, 50);
canvas.Alpha = .5f;
canvas.SetShadow(new SizeF(5, 5), 2, Colors.Red);
canvas.FillEllipse(200, 1200, 100, 50);
canvas.Alpha = .75f;
canvas.SetShadow(new SizeF(5, 5), 5, Colors.Green);
canvas.FillRoundedRectangle(350, 1200, 100, 50, 25);
canvas.Alpha = 1;
canvas.SetShadow(new SizeF(10, 10), 5, Colors.Blue);
path = new PathF();
path.MoveTo(550, 1200);
path.LineTo(500, 1250);
path.LineTo(600, 1250);
path.Close();
canvas.FillPath(path);
canvas.RestoreState();
//
// Test Scaling
//
canvas.StrokeSize = 1;
canvas.StrokeColor = Colors.Black;
canvas.DrawLine(10, 0, 0, 10);
canvas.SaveState();
canvas.Scale(2, 2);
canvas.DrawLine(10, 0, 0, 10);
canvas.Scale(2, 2);
canvas.DrawLine(10, 0, 0, 10);
canvas.RestoreState();
//
// Test simple rotation relative to 0,0
//
canvas.SaveState();
canvas.SetShadow(new SizeF(2, 0), 2, Colors.Black);
canvas.StrokeColor = Colors.CornflowerBlue;
canvas.Rotate(15);
canvas.DrawEllipse(60, 60, 10, 10);
canvas.Rotate(15);
canvas.DrawEllipse(60, 60, 10, 10);
canvas.Rotate(15);
canvas.DrawEllipse(60, 60, 10, 10);
canvas.StrokeColor = Colors.DarkSeaGreen;
canvas.Rotate(-60);
canvas.DrawEllipse(60, 60, 10, 10);
canvas.Rotate(-15);
canvas.DrawEllipse(60, 60, 10, 10);
canvas.RestoreState();
canvas.DrawRectangle(60, 60, 10, 10);
//
// Test rotation relative to a point
//
canvas.DrawRectangle(25, 125, 50, 50);
canvas.SaveState();
canvas.Rotate(5, 50, 150);
canvas.DrawRectangle(25, 125, 50, 50);
canvas.RestoreState();
canvas.SaveState();
canvas.Rotate(-5, 50, 150);
canvas.DrawRectangle(25, 125, 50, 50);
canvas.RestoreState();
//
// Test text
//
canvas.StrokeSize = 1;
canvas.StrokeColor = Colors.Blue;
const string vTextLong =
"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
const string vTextShort = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. ";
for (int x = 0; x < 4; x++)
{
for (int y = 0; y < 3; y++)
{
float dx = 1000 + x * 200;
float dy = 0 + y * 150;
canvas.DrawRectangle(dx, dy, 190, 140);
var vHorizontalAlignment = (HorizontalAlignment)x;
var vVerticalAlignment = (VerticalAlignment)y;
canvas.Font = new Font("Arial");
canvas.FontSize = 12f;
canvas.DrawString(vTextLong, dx, dy, 190, 140, vHorizontalAlignment, vVerticalAlignment);
}
}
canvas.SaveState();
canvas.SetShadow(new SizeF(2, 2), 2, Colors.DarkGrey);
for (int x = 0; x < 4; x++)
{
for (int y = 0; y < 3; y++)
{
float dx = 1000 + x * 200;
float dy = 450 + y * 150;
canvas.DrawRectangle(dx, dy, 190, 140);
var vHorizontalAlignment = (HorizontalAlignment)x;
var vVerticalAlignment = (VerticalAlignment)y;
canvas.Font = new Font("Arial");
canvas.FontSize = 12f;
canvas.DrawString(vTextShort, dx, dy, 190, 140, vHorizontalAlignment, vVerticalAlignment);
}
}
canvas.RestoreState();
for (int y = 0; y < 3; y++)
{
float dx = 1000 + y * 200;
const float dy = 1050;
canvas.DrawRectangle(dx, dy, 190, 140);
const HorizontalAlignment vHorizontalAlignment = HorizontalAlignment.Left;
var vVerticalAlignment = (VerticalAlignment)y;
canvas.Font = new Font("Arial");
canvas.FontSize = 12f;
canvas.DrawString(
vTextLong,
dx,
dy,
190,
140,
vHorizontalAlignment,
vVerticalAlignment,
TextFlow.OverflowBounds);
}
//
// Test simple drawing string
//
canvas.DrawLine(1000, 1300, 1200, 1300);
canvas.DrawLine(1000, 1325, 1200, 1325);
canvas.DrawLine(1000, 1350, 1200, 1350);
canvas.DrawLine(1000, 1375, 1200, 1375);
canvas.DrawLine(1100, 1300, 1100, 1400);
canvas.DrawString("This is a test.", 1100, 1300, HorizontalAlignment.Left);
canvas.DrawString("This is a test.", 1100, 1325, HorizontalAlignment.Center);
canvas.DrawString("This is a test.", 1100, 1350, HorizontalAlignment.Right);
canvas.DrawString("This is a test.", 1100, 1375, HorizontalAlignment.Justified);
//
// Test inverse clipping area
//
canvas.SaveState();
canvas.DrawRectangle(200, 1300, 200, 50);
canvas.SubtractFromClip(200, 1300, 200, 50);
canvas.DrawLine(100, 1325, 500, 1325);
canvas.DrawLine(300, 1275, 300, 1375);
canvas.RestoreState();
//
// Test String Measuring
//
canvas.StrokeColor = Colors.Blue;
for (int i = 0; i < 4; i++)
{
canvas.FontSize = 12 + i * 6;
canvas.DrawString("Test String Length", 650, 400 + (100 * i), HorizontalAlignment.Left);
var size = canvas.GetStringSize("Test String Length", new Font("Arial"), 12 + i * 6);
canvas.DrawRectangle(650, 400 + (100 * i), size.Width, size.Height);
}
//
// Test Path Measuring
//
var vBuilder = new PathBuilder();
path = vBuilder.BuildPath("M0 52.5 C60 -17.5 60 -17.5 100 52.5 C140 122.5 140 122.5 100 152.5 Q60 182.5 0 152.5 Z");
canvas.SaveState();
canvas.Translate(650, 900);
canvas.StrokeColor = Colors.Black;
canvas.DrawPath(path);
canvas.RestoreState();
canvas.RestoreState();
}