private void PaintSurface(object sender, SKPaintSurfaceEventArgs args, computeLensRequestSideDTO computeLensRequestSideDTO, computeLensResponseSideDTO computeLensResponseSideDTO)
{
SKImageInfo info = args.Info;
SKSurface surface = args.Surface;
SKCanvas canvas = surface.Canvas;
canvas.Clear();
SKPaint blackSKPaint = new SKPaint
{
Style = SKPaintStyle.Fill,
Color = Color.Black.ToSKColor(),
};
canvas.DrawRect(new SKRect(0, 0, info.Width, info.Height), blackSKPaint);
if (computeLensResponseSideDTO.points != null & computeLensResponseSideDTO.points.Any())
{
ICollection <analyzedPointDTO> points = computeLensResponseSideDTO.points.Where(point => point is analyzedPointDTO && Math.Abs(point.x) <= computeLensRequestSideDTO.horizontalDiameter / 2.0 && Math.Abs(point.y) <= computeLensRequestSideDTO.verticalDiameter / 2.0).Select(point => point as analyzedPointDTO).ToList();
double maxCylinder = points.Select(point => point.cylinderMap).Max();
double minCylinder = points.Select(point => point.cylinderMap).Min();
double cylinderRange = (maxCylinder - minCylinder) / 6.0;
if (cylinderRange > 0)
{
double doubleCylinderRange = cylinderRange * 2;
double tripleCylinderRange = cylinderRange * 3;
double fiveCylinderRange = cylinderRange * 5;
double centerX = info.Width / 2.0;
double centerY = info.Height / 2.0;
int sqrt = Convert.ToInt32(Math.Sqrt(points.Count));
int side = (sqrt - 1) / 2;
double bitmapSide = Math.Min(info.Width, info.Height) / 2.0;
double sqrtRange = sqrt / 6.0;
double doubleSqrtRange = sqrtRange * 2;
double tripleSqrtRange = sqrtRange * 3;
double fiveSqrtRange = sqrtRange * 5;
using (SKBitmap bitmap = new SKBitmap(1, sqrt))
{
for (int i = sqrt - 1; i >= 0; i--)
{
SKColor color = Color.Black.ToSKColor();
switch (Math.Floor(i / sqrtRange))
{
case 0:
color = Color.FromRgb(Convert.ToInt32(Math.Round(i / sqrtRange * 255)), Convert.ToInt32(Math.Round(i / sqrtRange * 255)), 255).ToSKColor();
break;
case 1:
color = Color.FromRgb(Convert.ToInt32(Math.Round((doubleSqrtRange - i) / sqrtRange * 255)), 255, 255).ToSKColor();
break;
case 2:
color = Color.FromRgb(0, 255, Convert.ToInt32(Math.Round((tripleSqrtRange - i) / sqrtRange * 255))).ToSKColor();
break;
case 3:
color = Color.FromRgb(Convert.ToInt32(Math.Round((i - tripleSqrtRange) / sqrtRange * 255)), 255, 0).ToSKColor();
break;
case 4:
color = Color.FromRgb(255, Convert.ToInt32(Math.Round((fiveSqrtRange - i) / sqrtRange * 255)), 0).ToSKColor();
break;
default:
color = Color.FromRgb(255, 0, Convert.ToInt32(Math.Round((i - fiveSqrtRange) / sqrtRange * 255))).ToSKColor();
break;
}
bitmap.SetPixel(0, i, color);
}
canvas.DrawBitmap(bitmap.Resize(new SKImageInfo(Convert.ToInt32(bitmapSide / 6), Convert.ToInt32(bitmapSide)), SKBitmapResizeMethod.Mitchell), new SKRect(Convert.ToSingle(info.Width - bitmapSide / 6), 0, Convert.ToSingle(info.Width), info.Height));
}
blackSKPaint.TextSize = info.Height / 32;
float textRange = (info.Height - blackSKPaint.TextSize * 3) / 6;
canvas.DrawText(string.Format("{0:N2}", minCylinder), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", minCylinder + cylinderRange), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", minCylinder + cylinderRange * 2), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 2, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", minCylinder + cylinderRange * 3), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 3, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", minCylinder + cylinderRange * 4), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 4, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", minCylinder + cylinderRange * 5), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 5, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", maxCylinder), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 6, blackSKPaint);
using (SKBitmap bitmap = new SKBitmap(sqrt, sqrt))
{
foreach (analyzedPointDTO point in points)
{
SKColor color = Color.Black.ToSKColor();
double value = point.cylinderMap - minCylinder;
switch (Math.Floor(value / cylinderRange))
{
case 0:
color = Color.FromRgb(Convert.ToInt32(Math.Round(value / cylinderRange * 255)), Convert.ToInt32(Math.Round(value / cylinderRange * 255)), 255).ToSKColor();
break;
case 1:
color = Color.FromRgb(Convert.ToInt32(Math.Round((doubleCylinderRange - value) / cylinderRange * 255)), 255, 255).ToSKColor();
break;
case 2:
color = Color.FromRgb(0, 255, Convert.ToInt32(Math.Round((tripleCylinderRange - value) / cylinderRange * 255))).ToSKColor();
break;
case 3:
color = Color.FromRgb(Convert.ToInt32(Math.Round((value - tripleCylinderRange) / cylinderRange * 255)), 255, 0).ToSKColor();
break;
case 4:
color = Color.FromRgb(255, Convert.ToInt32(Math.Round((fiveCylinderRange - value) / cylinderRange * 255)), 0).ToSKColor();
break;
default:
color = Color.FromRgb(255, 0, Convert.ToInt32(Math.Round((value - fiveCylinderRange) / cylinderRange * 255))).ToSKColor();
break;
}
bitmap.SetPixel(Convert.ToInt32(side - point.x), Convert.ToInt32(side - point.y), color);
}
using (SKPath path = new SKPath())
{
path.AddCircle(Convert.ToSingle(centerX), Convert.ToSingle(centerY), Convert.ToSingle(bitmapSide * 5 / 6));
canvas.ClipPath(path, SKClipOperation.Intersect);
}
canvas.DrawBitmap(bitmap.Resize(new SKImageInfo(Convert.ToInt32(bitmapSide * 5 / 6), Convert.ToInt32(bitmapSide * 5 / 6)), SKBitmapResizeMethod.Mitchell), new SKRect(Convert.ToSingle(centerX - bitmapSide * 5 / 6), Convert.ToSingle(centerY - bitmapSide * 5 / 6), Convert.ToSingle(centerX + bitmapSide * 5 / 6), Convert.ToSingle(centerY + bitmapSide * 5 / 6)));
}
}
}
}
private void ComputeChart(computeLensRequestSideDTO computeLensRequestSideDTO, computeLensResponseSideDTO computeLensResponseSideDTO, Func <threeDimensionalPointDTO, double> Mapping)
{
ICollection <threeDimensionalPointDTO> points = computeLensResponseSideDTO.points.Where(point => point is analyzedPointDTO && Math.Abs(point.x) <= computeLensRequestSideDTO.horizontalDiameter / 2.0 && Math.Abs(point.y) <= computeLensRequestSideDTO.verticalDiameter / 2.0).ToList();
Navigation.PushAsync(new ThreeDimensionalLensPage(points, Mapping));
}
