public override bool OnTouchEvent(MotionEvent e)
{
float currentX = e.GetX();
float currentY = e.GetY();
switch (e.Action)
{
case MotionEventActions.Down:
path.MoveTo(currentX, currentY);
previousX = currentX;
previouxY = currentY;
return(true);
case MotionEventActions.Move:
case MotionEventActions.Up:
for (int i = 0; i < e.HistorySize; i++)
{
float historicalX = e.GetHistoricalX(i);
float historicalY = e.GetHistoricalY(i);
path.LineTo(historicalX, historicalY);
}
path.LineTo(currentX, currentY);
Invalidate();
previousX = currentX;
previouxY = currentY;
return(true);
default:
return(false);
}
}
private void touch_up()
{
mPath.LineTo(mX, mY);
// commit the path to our offscreen
mCanvas.DrawPath(mPath, MPaint);
// kill this so we don't double draw
mPath.Reset();
}
public void DrawPath(IEnumerable <PathOp> ops, Pen pen = null, Brush brush = null)
{
if (pen == null && brush == null)
{
return;
}
using (var path = new global::Android.Graphics.Path()) {
var bb = new BoundingBoxBuilder();
Point?prevPoint = null;
foreach (var op in ops)
{
var mt = op as MoveTo;
if (mt != null)
{
var p = mt.Point;
path.MoveTo((float)p.X, (float)p.Y);
bb.Add(p);
prevPoint = p;
continue;
}
var lt = op as LineTo;
if (lt != null)
{
var p = lt.Point;
path.LineTo((float)p.X, (float)p.Y);
bb.Add(p);
prevPoint = p;
continue;
}
var at = op as ArcTo;
if (at != null)
{
var p = at.Point;
if (!prevPoint.HasValue)
{
throw new NotSupportedException("Cannot begin path with Arc.");
}
var pp = prevPoint.Value;
Point c1, c2;
at.GetCircles(pp, out c1, out c2);
var circleCenter = at.LargeArc ^ !at.SweepClockwise ? c2 : c1;
var rect = new Rect(circleCenter - at.Radius, at.Radius * 2);
var startAngle = Conversions.RadToDeg((float)Math.Atan2(pp.Y - circleCenter.Y, pp.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.GetRectF(rect), startAngle, sweepAngle);
bb.Add(p);
prevPoint = p;
continue;
}
var ct = op as CurveTo;
if (ct != null)
{
var p = ct.Point;
var c1 = ct.Control1;
var c2 = ct.Control2;
path.CubicTo((float)c1.X, (float)c1.Y, (float)c2.X, (float)c2.Y, (float)p.X, (float)p.Y);
bb.Add(p);
bb.Add(c1);
bb.Add(c2);
prevPoint = p;
continue;
}
var cp = op as ClosePath;
if (cp != null)
{
path.Close();
continue;
}
throw new NotSupportedException("Path Op " + op);
}
var frame = bb.BoundingBox;
if (brush != null)
{
var paint = GetBrushPaint(brush, frame);
graphics.DrawPath(path, paint);
}
if (pen != null)
{
var paint = GetPenPaint(pen);
graphics.DrawPath(path, paint);
}
}
}
public void DrawPath(IEnumerable<PathOp> ops, Pen pen = null, Brush brush = null)
{
if (pen == null && brush == null)
return;
using (var path = new global::Android.Graphics.Path ()) {
var bb = new BoundingBoxBuilder ();
foreach (var op in ops) {
var mt = op as MoveTo;
if (mt != null) {
var p = mt.Point;
path.MoveTo ((float)p.X, (float)p.Y);
bb.Add (p);
continue;
}
var lt = op as LineTo;
if (lt != null) {
var p = lt.Point;
path.LineTo ((float)p.X, (float)p.Y);
bb.Add (p);
continue;
}
var at = op as ArcTo;
if (at != null) {
var p = at.Point;
path.LineTo ((float)p.X, (float)p.Y);
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.CubicTo ((float)c1.X, (float)c1.Y, (float)c2.X, (float)c2.Y, (float)p.X, (float)p.Y);
bb.Add (p);
bb.Add (c1);
bb.Add (c2);
continue;
}
var cp = op as ClosePath;
if (cp != null) {
path.Close ();
continue;
}
throw new NotSupportedException ("Path Op " + op);
}
var frame = bb.BoundingBox;
if (brush != null) {
var paint = GetBrushPaint (brush, frame);
graphics.DrawPath (path, paint);
}
if (pen != null) {
var paint = GetPenPaint (pen);
graphics.DrawPath (path, paint);
}
}
}
/// <summary>
/// Draws a line on the target. The coordinates given are scene coordinates.
/// </summary>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <param name="color">Color.</param>
/// <param name="width">Width.</param>
/// <param name="casingWidth">Casing width.</param>
/// <param name="casingColor">Casing color.</param>
protected override void DrawLine(Target2DWrapper <global::Android.Graphics.Canvas> target, double[] x, double[] y,
int color, double width, LineJoin lineJoine, int[] dashes)
{
if (x.Length > 1)
{
_paint.AntiAlias = true;
_paint.SetStyle(global::Android.Graphics.Paint.Style.Stroke);
if (dashes != null && dashes.Length > 0)
{ // set the dashes effect.
float[] intervals = new float[dashes.Length];
for (int idx = 0; idx < dashes.Length; idx++)
{
intervals [idx] = dashes [idx];
}
_paint.SetPathEffect(
new global::Android.Graphics.DashPathEffect(
intervals, 0));
}
float minX = float.MaxValue, maxX = float.MinValue, minY = float.MaxValue, maxY = float.MinValue;
float xT, yT;
// convert to the weid android api array!
_path.Rewind();
double[] transformed = this.Tranform(x [0], y [0]);
xT = (float)transformed [0];
yT = (float)transformed [1];
_path.MoveTo(xT, yT);
if (xT < minX)
{
minX = xT;
}
if (xT > maxX)
{
maxX = xT;
}
if (yT < minY)
{
minY = yT;
}
if (yT > maxY)
{
maxY = yT;
}
for (int idx = 1; idx < x.Length; idx++)
{
transformed = this.Tranform(x [idx], y [idx]);
xT = (float)transformed[0];
yT = (float)transformed[1];
_path.LineTo(xT, yT);
if (xT < minX)
{
minX = xT;
}
if (xT > maxX)
{
maxX = xT;
}
if (yT < minY)
{
minY = yT;
}
if (yT > maxY)
{
maxY = yT;
}
}
if ((maxX - minX) > 1 || (maxY - minY) > 1)
{
// if (casingWidth > 0) {
// float casingWidthInPixels = this.ToPixels (casingWidth + width);
// _paint.Color = new global::Android.Graphics.Color (casingColor);
// _paint.StrokeWidth = casingWidthInPixels;
// target.Target.DrawPath (_path, _paint);
// }
float widthInPixels = this.ToPixels(width);
_paint.Color = new global::Android.Graphics.Color(color);
_paint.StrokeWidth = widthInPixels;
target.Target.DrawPath(_path, _paint);
}
_paint.Reset();
}
}
public void DrawPath(IEnumerable <PathOp> ops, Pen pen = null, Brush brush = null)
{
if (pen == null && brush == null)
{
return;
}
using (var path = new global::Android.Graphics.Path()) {
var bb = new BoundingBoxBuilder();
foreach (var op in ops)
{
var mt = op as MoveTo;
if (mt != null)
{
var p = mt.Point;
path.MoveTo((float)p.X, (float)p.Y);
bb.Add(p);
continue;
}
var lt = op as LineTo;
if (lt != null)
{
var p = lt.Point;
path.LineTo((float)p.X, (float)p.Y);
bb.Add(p);
continue;
}
var at = op as ArcTo;
if (at != null)
{
var p = at.Point;
path.LineTo((float)p.X, (float)p.Y);
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.CubicTo((float)c1.X, (float)c1.Y, (float)c2.X, (float)c2.Y, (float)p.X, (float)p.Y);
bb.Add(p);
bb.Add(c1);
bb.Add(c2);
continue;
}
var cp = op as ClosePath;
if (cp != null)
{
path.Close();
continue;
}
throw new NotSupportedException("Path Op " + op);
}
var frame = bb.BoundingBox;
if (brush != null)
{
var paint = GetBrushPaint(brush, frame);
graphics.DrawPath(path, paint);
}
if (pen != null)
{
var paint = GetPenPaint(pen);
graphics.DrawPath(path, paint);
}
}
}
public static Bitmap Draw(int width, int height, double direction)
{
if(width == 0 || height == 0)
return null;
int w2 = width / 2;
int h2 = height / 2;
Paint light = new Paint(PaintFlags.AntiAlias);
Paint dark = new Paint(PaintFlags.AntiAlias);
Paint black = new Paint(PaintFlags.AntiAlias);
light.Color = new Color(128, 0, 0, 255);
light.StrokeWidth = 0f;
light.SetStyle(Paint.Style.FillAndStroke);
dark.Color = new Color(255, 0, 0, 255);
dark.StrokeWidth = 0f;
dark.SetStyle(Paint.Style.FillAndStroke);
black.Color = new Color(0, 0, 0, 255);
black.StrokeWidth = 0f;
black.SetStyle(Paint.Style.Stroke);
// Values of direction are between 0° and 360°, but for drawing we need -180° to +180°
direction -= 180;
double rad1 = direction / 180.0 * Math.PI;
double rad2 = (direction + 180.0 + 30.0) / 180.0 * Math.PI;
double rad3 = (direction + 180.0 - 30.0) / 180.0 * Math.PI;
double rad4 = (direction + 180.0) / 180.0 * Math.PI;
PointF p1 = new PointF((float) (w2 + w2 * Math.Sin (rad1)), (float) (h2 + h2 * Math.Cos (rad1)));
PointF p2 = new PointF((float) (w2 + w2 * Math.Sin (rad2)), (float) (h2 + h2 * Math.Cos (rad2)));
PointF p3 = new PointF((float) (w2 + w2 * Math.Sin (rad3)), (float) (h2 + h2 * Math.Cos (rad3)));
PointF p4 = new PointF((float) (w2 + width / 3 * Math.Sin (rad4)), (float) (h2 + height / 3 * Math.Cos (rad4)));
Bitmap b = Bitmap.CreateBitmap(width, height, Bitmap.Config.Argb8888);
using(Canvas c = new Canvas(b)) {
int cx = c.Width / 2 - 1;
int cy = c.Height / 2 - 1;
global::Android.Graphics.Path path1 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path2 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path3 = new global::Android.Graphics.Path ();
path1.MoveTo (p1.X,p1.Y);
path1.LineTo (p2.X,p2.Y);
path1.LineTo (p4.X,p4.Y);
path1.LineTo (p1.X,p1.Y);
path2.MoveTo (p1.X,p1.Y);
path2.LineTo (p3.X,p3.Y);
path2.LineTo (p4.X,p4.Y);
path2.LineTo (p1.X,p1.Y);
path3.MoveTo (p1.X,p1.Y);
path3.LineTo (p2.X,p2.Y);
path3.LineTo (p4.X,p4.Y);
path3.LineTo (p1.X,p1.Y);
path3.LineTo (p3.X,p3.Y);
path3.LineTo (p4.X,p4.Y);
light.Color = new Color (128, 0, 0, 255);
dark.Color = new Color (255, 0, 0, 255);
black.Color = new Color (0, 0, 0, 255);
c.DrawPath (path1, light);
c.DrawPath (path2, dark);
c.DrawPath (path3, black);
}
return b;
}
public void DrawPath(IEnumerable<PathOp> ops, Pen pen = null, Brush brush = null)
{
if (pen == null && brush == null)
return;
using (var path = new global::Android.Graphics.Path ()) {
var bb = new BoundingBoxBuilder ();
Point? prevPoint = null;
foreach (var op in ops) {
var mt = op as MoveTo;
if (mt != null) {
var p = mt.Point;
path.MoveTo ((float)p.X, (float)p.Y);
bb.Add (p);
prevPoint = p;
continue;
}
var lt = op as LineTo;
if (lt != null) {
var p = lt.Point;
path.LineTo ((float)p.X, (float)p.Y);
bb.Add (p);
prevPoint = p;
continue;
}
var at = op as ArcTo;
if (at != null) {
var p = at.Point;
if (!prevPoint.HasValue) {
throw new NotSupportedException("Cannot begin path with Arc.");
}
var pp = prevPoint.Value;
Point c1, c2;
at.GetCircles(pp, out c1, out c2);
var circleCenter = at.LargeArc ^ !at.SweepClockwise ? c2 : c1;
var rect = new Rect(circleCenter - at.Radius, at.Radius * 2);
var startAngle = Conversions.RadToDeg((float)Math.Atan2(pp.Y - circleCenter.Y, pp.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.GetRectF(rect), startAngle, sweepAngle);
bb.Add (p);
prevPoint = p;
continue;
}
var ct = op as CurveTo;
if (ct != null) {
var p = ct.Point;
var c1 = ct.Control1;
var c2 = ct.Control2;
path.CubicTo ((float)c1.X, (float)c1.Y, (float)c2.X, (float)c2.Y, (float)p.X, (float)p.Y);
bb.Add (p);
bb.Add (c1);
bb.Add (c2);
prevPoint = p;
continue;
}
var cp = op as ClosePath;
if (cp != null) {
path.Close ();
continue;
}
throw new NotSupportedException ("Path Op " + op);
}
var frame = bb.BoundingBox;
if (brush != null) {
var paint = GetBrushPaint (brush, frame);
graphics.DrawPath (path, paint);
}
if (pen != null) {
var paint = GetPenPaint (pen);
graphics.DrawPath (path, paint);
}
}
}
public static Bitmap Draw(int width, int height, double direction)
{
if (width == 0 || height == 0)
{
return(null);
}
int w2 = width / 2;
int h2 = height / 2;
Paint light = new Paint(PaintFlags.AntiAlias);
Paint dark = new Paint(PaintFlags.AntiAlias);
Paint black = new Paint(PaintFlags.AntiAlias);
light.Color = new Color(128, 0, 0, 255);
light.StrokeWidth = 0f;
light.SetStyle(Paint.Style.FillAndStroke);
dark.Color = new Color(255, 0, 0, 255);
dark.StrokeWidth = 0f;
dark.SetStyle(Paint.Style.FillAndStroke);
black.Color = new Color(0, 0, 0, 255);
black.StrokeWidth = 0f;
black.SetStyle(Paint.Style.Stroke);
// Values of direction are between 0° and 360°, but for drawing we need -180° to +180°
direction -= 180;
double rad1 = direction / 180.0 * Math.PI;
double rad2 = (direction + 180.0 + 30.0) / 180.0 * Math.PI;
double rad3 = (direction + 180.0 - 30.0) / 180.0 * Math.PI;
double rad4 = (direction + 180.0) / 180.0 * Math.PI;
PointF p1 = new PointF((float)(w2 + w2 * Math.Sin(rad1)), (float)(h2 + h2 * Math.Cos(rad1)));
PointF p2 = new PointF((float)(w2 + w2 * Math.Sin(rad2)), (float)(h2 + h2 * Math.Cos(rad2)));
PointF p3 = new PointF((float)(w2 + w2 * Math.Sin(rad3)), (float)(h2 + h2 * Math.Cos(rad3)));
PointF p4 = new PointF((float)(w2 + width / 3 * Math.Sin(rad4)), (float)(h2 + height / 3 * Math.Cos(rad4)));
Bitmap b = Bitmap.CreateBitmap(width, height, Bitmap.Config.Argb8888);
using (Canvas c = new Canvas(b)) {
int cx = c.Width / 2 - 1;
int cy = c.Height / 2 - 1;
global::Android.Graphics.Path path1 = new global::Android.Graphics.Path();
global::Android.Graphics.Path path2 = new global::Android.Graphics.Path();
global::Android.Graphics.Path path3 = new global::Android.Graphics.Path();
path1.MoveTo(p1.X, p1.Y);
path1.LineTo(p2.X, p2.Y);
path1.LineTo(p4.X, p4.Y);
path1.LineTo(p1.X, p1.Y);
path2.MoveTo(p1.X, p1.Y);
path2.LineTo(p3.X, p3.Y);
path2.LineTo(p4.X, p4.Y);
path2.LineTo(p1.X, p1.Y);
path3.MoveTo(p1.X, p1.Y);
path3.LineTo(p2.X, p2.Y);
path3.LineTo(p4.X, p4.Y);
path3.LineTo(p1.X, p1.Y);
path3.LineTo(p3.X, p3.Y);
path3.LineTo(p4.X, p4.Y);
light.Color = new Color(128, 0, 0, 255);
dark.Color = new Color(255, 0, 0, 255);
black.Color = new Color(0, 0, 0, 255);
c.DrawPath(path1, light);
c.DrawPath(path2, dark);
c.DrawPath(path3, black);
}
return(b);
}
protected override void OnDraw(Canvas canvas)
{
var trans = Element.RenderTransform ?? new IdentityTransform();
var path = new global::Android.Graphics.Path();
foreach (var command in PathDataParser.ToAbsolute(PathDataParser.Parse(Element.Data)))
{
switch (command.Type)
{
case PathDataParser.CommandType.MoveTo:
{
var pt = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[0], command.Arguments[1]));
path.MoveTo(pt.X, pt.Y);
}
break;
case PathDataParser.CommandType.LineTo:
{
var pt = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[0], command.Arguments[1]));
path.LineTo(pt.X, pt.Y);
}
break;
case PathDataParser.CommandType.QBezier:
{
var pt = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[0], command.Arguments[1]));
var pt2 = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[2], command.Arguments[3]));
path.QuadTo(pt.X, pt.Y, pt2.X, pt2.Y);
}
break;
case PathDataParser.CommandType.Bezier:
{
var pt = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[0], command.Arguments[1]));
var pt2 = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[2], command.Arguments[3]));
var pt3 = trans.TransformPoint(
new System.Drawing.PointF(command.Arguments[4], command.Arguments[5]));
path.CubicTo(pt.X, pt.Y, pt2.X, pt2.Y, pt3.X, pt3.Y);
}
break;
case PathDataParser.CommandType.Close:
path.Close();
DrawPath(canvas, path);
path = new global::Android.Graphics.Path();
break;
}
}
if (!path.IsEmpty)
{
DrawPath(canvas, path);
}
}
public Bitmap DrawArrow (double direction)
{
int w = 48;
int h = 48;
int w2 = w / 2;
int h2 = w / 2;
double rad1 = direction / 180.0 * Math.PI;
double rad2 = (direction + 180.0 + 30.0) / 180.0 * Math.PI;
double rad3 = (direction + 180.0 - 30.0) / 180.0 * Math.PI;
double rad4 = (direction + 180.0) / 180.0 * Math.PI;
PointF p1 = new PointF((float) (w2 + w2 * Math.Sin (rad1)), (float) (h2 + h2 * Math.Cos (rad1)));
PointF p2 = new PointF((float) (w2 + w2 * Math.Sin (rad2)), (float) (h2 + h2 * Math.Cos (rad2)));
PointF p3 = new PointF((float) (w2 + w2 * Math.Sin (rad3)), (float) (h2 + h2 * Math.Cos (rad3)));
PointF p4 = new PointF((float) (w2 + w / 3 * Math.Sin (rad4)), (float) (h2 + h / 3 * Math.Cos (rad4)));
Bitmap b = Bitmap.CreateBitmap(w, h, Bitmap.Config.Argb8888);
Canvas c = new Canvas(b);
Paint light = new Paint (PaintFlags.AntiAlias);
Paint dark = new Paint (PaintFlags.AntiAlias);
Paint black = new Paint (PaintFlags.AntiAlias);
light.Color = new Color (128, 0, 0, 255);
light.StrokeWidth = 0f;
light.SetStyle (Paint.Style.FillAndStroke);
dark.Color = new Color (255, 0, 0, 255);
dark.StrokeWidth = 0f;
dark.SetStyle (Paint.Style.FillAndStroke);
black.Color = new Color (0, 0, 0, 255);
black.StrokeWidth = 0f;
black.SetStyle (Paint.Style.Stroke);
int cx = c.Width / 2 - 1;
int cy = c.Height / 2 - 1;
global::Android.Graphics.Path path1 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path2 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path3 = new global::Android.Graphics.Path ();
path1.MoveTo (p1.X,p1.Y);
path1.LineTo (p2.X,p2.Y);
path1.LineTo (p4.X,p4.Y);
path1.LineTo (p1.X,p1.Y);
path2.MoveTo (p1.X,p1.Y);
path2.LineTo (p3.X,p3.Y);
path2.LineTo (p4.X,p4.Y);
path2.LineTo (p1.X,p1.Y);
path3.MoveTo (p1.X,p1.Y);
path3.LineTo (p2.X,p2.Y);
path3.LineTo (p4.X,p4.Y);
path3.LineTo (p1.X,p1.Y);
path3.LineTo (p3.X,p3.Y);
path3.LineTo (p4.X,p4.Y);
c.DrawPath (path1, light);
c.DrawPath (path2, dark);
c.DrawPath (path3, black);
// UIGraphics.BeginImageContext (new SizeF(64, 64));
//
// using (CGContext cont = UIGraphics.GetCurrentContext()) {
//
// using (CGPath path = new CGPath()) {
//
// cont.SetLineWidth (1f);
// cont.SetRGBStrokeColor (0f, 0, 0, 1);
// cont.SetRGBFillColor (1f, 0, 0, 1);
// path.AddLines (new PointF[] { p1, p2, p4 });
// path.CloseSubpath ();
//
// cont.AddPath (path);
// cont.DrawPath (CGPathDrawingMode.FillStroke);
//
// }
//
// using (CGPath path = new CGPath()) {
//
// cont.SetRGBStrokeColor (0f, 0, 0, 1);
// cont.SetRGBFillColor (.5f, 0, 0, 1);
// path.AddLines (new PointF[] { p1, p3, p4 });
// path.CloseSubpath ();
//
// cont.AddPath (path);
// cont.DrawPath (CGPathDrawingMode.FillStroke);
//
// }
//
// return UIGraphics.GetImageFromCurrentImageContext ();
//
// }
//
// UIGraphics.EndImageContext ();
return b;
}
/// <summary>
/// Draws image of arrow with given direction.
/// </summary>
/// <returns>Bitmap of arrow.</returns>
/// <param name="direction">Direction of the arrow.</param>
internal Bitmap DrawArrow (double direction)
{
int w = 48;
int h = 48;
int w2 = w / 2;
int h2 = w / 2;
double rad1 = direction / 180.0 * Math.PI;
double rad2 = (direction + 180.0 + 30.0) / 180.0 * Math.PI;
double rad3 = (direction + 180.0 - 30.0) / 180.0 * Math.PI;
double rad4 = (direction + 180.0) / 180.0 * Math.PI;
PointF p1 = new PointF((float) (w2 + w2 * Math.Sin (rad1)), (float) (h2 + h2 * Math.Cos (rad1)));
PointF p2 = new PointF((float) (w2 + w2 * Math.Sin (rad2)), (float) (h2 + h2 * Math.Cos (rad2)));
PointF p3 = new PointF((float) (w2 + w2 * Math.Sin (rad3)), (float) (h2 + h2 * Math.Cos (rad3)));
PointF p4 = new PointF((float) (w2 + w / 3 * Math.Sin (rad4)), (float) (h2 + h / 3 * Math.Cos (rad4)));
Bitmap b = Bitmap.CreateBitmap(w, h, Bitmap.Config.Argb8888);
using(Canvas c = new Canvas(b)) {
int cx = c.Width / 2 - 1;
int cy = c.Height / 2 - 1;
global::Android.Graphics.Path path1 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path2 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path3 = new global::Android.Graphics.Path ();
path1.MoveTo (p1.X,p1.Y);
path1.LineTo (p2.X,p2.Y);
path1.LineTo (p4.X,p4.Y);
path1.LineTo (p1.X,p1.Y);
path2.MoveTo (p1.X,p1.Y);
path2.LineTo (p3.X,p3.Y);
path2.LineTo (p4.X,p4.Y);
path2.LineTo (p1.X,p1.Y);
path3.MoveTo (p1.X,p1.Y);
path3.LineTo (p2.X,p2.Y);
path3.LineTo (p4.X,p4.Y);
path3.LineTo (p1.X,p1.Y);
path3.LineTo (p3.X,p3.Y);
path3.LineTo (p4.X,p4.Y);
c.DrawPath (path1, light);
c.DrawPath (path2, dark);
c.DrawPath (path3, black);
}
return b;
}
