private static void makeEffects(PathEffect[] e, float phase)
{
e [0] = null; // no effect
e [1] = new CornerPathEffect(10);
e [2] = new DashPathEffect(new float[] { 10, 5, 5, 5 }, phase);
e [3] = new PathDashPathEffect(makePathDash(), 12, phase,
PathDashPathEffect.Style.ROTATE);
e [4] = new ComposePathEffect(e [2], e [1]);
e [5] = new ComposePathEffect(e [3], e [1]);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var x = this.GetX() + this.Resize(this._shapeView.Padding.Left);
var y = this.GetY() + this.Resize(this._shapeView.Padding.Top);
var width = base.Width - this.Resize(this._shapeView.Padding.HorizontalThickness);
var height = base.Height - this.Resize(this._shapeView.Padding.VerticalThickness);
var cx = width / 2f + this.Resize(this._shapeView.Padding.Left);
var cy = height / 2f + this.Resize(this._shapeView.Padding.Top);
var strokeWidth = 0f;
Paint strokePaint = null;
if (this._shapeView.BorderWidth > 0 && this._shapeView.BorderColor.A > 0)
{
strokeWidth = this.Resize(this._shapeView.BorderWidth);
strokePaint = new Paint(PaintFlags.AntiAlias);
strokePaint.SetStyle(Paint.Style.Stroke);
strokePaint.StrokeWidth = strokeWidth;
strokePaint.StrokeCap = Paint.Cap.Round;
strokePaint.Color = this._shapeView.BorderColor.ToAndroid();
x += strokeWidth / 2f;
y += strokeWidth / 2f;
width -= strokeWidth;
height -= strokeWidth;
}
Paint fillPaint = null;
if (this._shapeView.Color.A > 0)
{
fillPaint = new Paint(PaintFlags.AntiAlias);
fillPaint.SetStyle(Paint.Style.Fill);
fillPaint.Color = this._shapeView.Color.ToAndroid();
}
if (this._shapeView.CornerRadius > 0)
{
switch (this._shapeView.ShapeType)
{
case ShapeType.Star:
case ShapeType.Triangle:
case ShapeType.Diamond:
case ShapeType.Path:
var cr = this.Resize(this._shapeView.CornerRadius);
var cornerPathEffect = new CornerPathEffect(cr);
fillPaint?.SetPathEffect(cornerPathEffect);
strokePaint?.SetPathEffect(cornerPathEffect);
break;
}
}
switch (this._shapeView.ShapeType)
{
case ShapeType.Box:
this.DrawBox(canvas, x, y, width, height, this._shapeView.CornerRadius, fillPaint, strokePaint);
break;
case ShapeType.Circle:
this.DrawCircle(canvas, cx, cy, Math.Min(height, width) / 2f, fillPaint, strokePaint);
break;
case ShapeType.Oval:
this.DrawOval(canvas, x, y, width, height, fillPaint, strokePaint);
break;
case ShapeType.Star:
var outerRadius = (Math.Min(height, width) - strokeWidth) / 2f;
var innerRadius = outerRadius * this._shapeView.RadiusRatio;
this.DrawStar(canvas, cx, cy, outerRadius, innerRadius, this._shapeView.CornerRadius, this._shapeView.NumberOfPoints, fillPaint, strokePaint);
break;
case ShapeType.Triangle:
this.DrawTriangle(canvas, x + strokeWidth / 2, y + strokeWidth / 2, width - strokeWidth, height - strokeWidth, fillPaint, strokePaint);
break;
case ShapeType.Diamond:
this.DrawDiamond(canvas, x + strokeWidth / 2, y + strokeWidth / 2, width - strokeWidth, height - strokeWidth, fillPaint, strokePaint);
break;
case ShapeType.Heart:
this.DrawHeart(canvas, x, y, width, height, this.Resize(this._shapeView.CornerRadius), fillPaint, strokePaint);
break;
case ShapeType.ProgressCircle:
this.DrawCircle(canvas, cx, cy, Math.Min(height, width) / 2f, fillPaint, strokePaint);
if (this._shapeView.ProgressBorderWidth > 0 && this._shapeView.ProgressBorderColor.A > 0)
{
var progressStrokeWidth = this.Resize(this._shapeView.ProgressBorderWidth);
var progressPaint = new Paint(PaintFlags.AntiAlias);
progressPaint.SetStyle(Paint.Style.Stroke);
progressPaint.StrokeWidth = progressStrokeWidth;
progressPaint.Color = this._shapeView.ProgressBorderColor.ToAndroid();
var deltaWidth = progressStrokeWidth - strokeWidth;
if (deltaWidth > 0)
{
width -= deltaWidth;
height -= deltaWidth;
}
this.DrawProgressCircle(canvas, cx, cy, Math.Min(height, width) / 2f, this._shapeView.Progress, progressPaint);
}
break;
case ShapeType.Path:
this.DrawPath(canvas, this._shapeView.Points, x, y, fillPaint, strokePaint);
break;
}
}
