protected override bool DrawChild(ACanvas canvas, global::Android.Views.View child, long drawingTime) { if (Element == null) { return(false); } var control = Element as PolygonFrame; SetClipChildren(true); using (var path = PolygonUitls.RegularPolygonPath(Width, Height, control.Sides, control.CornerRadius, 0, control.OffsetAngle)) { canvas.Save(); canvas.ClipPath(path); } var result = base.DrawChild(canvas, child, drawingTime); canvas.Restore(); return(result); }
protected override void Draw(Canvas canvas, Rect bounds) { int saveCount = canvas.Save(); RectF arcBounds = mTempBounds; arcBounds.Set(bounds); mPaint.Color = new Color(mColor); //calculate fish clip bounds //clip the width of the fish need to increase mPathDottedLineSize * 1.2f RectF fishRectF = new RectF(mFishHeadPos[0] - mFishWidth / 2.0f - mPathDottedLineSize * 1.2f, mFishHeadPos[1] - mFishHeight / 2.0f, mFishHeadPos[0] + mFishWidth / 2.0f + mPathDottedLineSize * 1.2f, mFishHeadPos[1] + mFishHeight / 2.0f); Matrix matrix = new Matrix(); matrix.PostRotate(mFishRotateDegrees, fishRectF.CenterX(), fishRectF.CenterY()); matrix.MapRect(fishRectF); //draw river int riverSaveCount = canvas.Save(); mPaint.SetStyle(Paint.Style.Stroke); canvas.ClipRect(fishRectF, Region.Op.Difference); canvas.DrawPath(CreateRiverPath(arcBounds), mPaint); canvas.RestoreToCount(riverSaveCount); //draw fish int fishSaveCount = canvas.Save(); mPaint.SetStyle(Paint.Style.Fill); canvas.Rotate(mFishRotateDegrees, mFishHeadPos[0], mFishHeadPos[1]); canvas.ClipPath(CreateFishEyePath(mFishHeadPos[0], mFishHeadPos[1] - mFishHeight * 0.06f), Region.Op.Difference); canvas.DrawPath(CreateFishPath(mFishHeadPos[0], mFishHeadPos[1]), mPaint); canvas.RestoreToCount(fishSaveCount); canvas.RestoreToCount(saveCount); }