private void ComputeChart(Func <threeDimensionalPointDTO, double> Mapping)
{
if (LeftLens.Equals(selected))
{
NavigationService.Navigate(new ThreeDimensionalLensPage(model.LeftAnalyzeLensResponse.points, Mapping));
}
else if (RightLens.Equals(selected))
{
NavigationService.Navigate(new ThreeDimensionalLensPage(model.RightAnalyzeLensResponse.points, Mapping));
}
}
private void PaintLens(object sender, SKPaintSurfaceEventArgs args)
{
analyzeLensResponseDTO analyzeLensResponseDTO = RightLens.Equals(sender) ? model.RightAnalyzeLensResponse : model.LeftAnalyzeLensResponse;
SKImageInfo info = args.Info;
SKSurface surface = args.Surface;
SKCanvas canvas = surface.Canvas;
canvas.Clear();
SKPaint blackSKPaint = new SKPaint
{
Style = SKPaintStyle.Fill,
Color = SKColors.Black
};
canvas.DrawRect(new SKRect(0, 0, info.Width, info.Height), blackSKPaint);
if (analyzeLensResponseDTO != null && analyzeLensResponseDTO.points != null & analyzeLensResponseDTO.points.Any())
{
int sqrt = Convert.ToInt32(Math.Sqrt(analyzeLensResponseDTO.points.Count()));
int side = (sqrt - 1) / 2;
ICollection <analyzedPointDTO> points = analyzeLensResponseDTO.points.Where(p => IsInside(p, side + 1)).ToList();
double max = compare && model.RightAnalyzeLensResponse != null && model.LeftAnalyzeLensResponse != null?Math.Max(model.RightAnalyzeLensResponse.points.Where(p => IsInside(p, side + 1)).Select(mapping).Max(), model.LeftAnalyzeLensResponse.points.Where(p => IsInside(p, side + 1)).Select(mapping).Max()) : points.Where(p => IsInside(p, side + 1)).Select(mapping).Max();
double min = compare && model.RightAnalyzeLensResponse != null && model.LeftAnalyzeLensResponse != null?Math.Min(model.RightAnalyzeLensResponse.points.Where(p => IsInside(p, side + 1)).Select(mapping).Min(), model.LeftAnalyzeLensResponse.points.Where(p => IsInside(p, side + 1)).Select(mapping).Min()) : points.Where(p => IsInside(p, side + 1)).Select(mapping).Min();
double range = (max - min) / 6.0;
if (range > 0)
{
double centerX = info.Width / 2.0;
double centerY = info.Height / 2.0;
double bitmapSide = Math.Min(centerX, centerY);
double radius = bitmapSide * 5 / 6;
double doubleRange = range * 2;
double tripleRange = range * 3;
double fiveRange = range * 5;
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 = SKColors.Black;
switch (Math.Floor(i / sqrtRange))
{
case 0:
color = new SKColor(Convert.ToByte(Math.Round(i / sqrtRange * 255)), Convert.ToByte(Math.Round(i / sqrtRange * 255)), 255);
break;
case 1:
color = new SKColor(Convert.ToByte(Math.Round((doubleSqrtRange - i) / sqrtRange * 255)), 255, 255);
break;
case 2:
color = new SKColor(0, 255, Convert.ToByte(Math.Round((tripleSqrtRange - i) / sqrtRange * 255)));
break;
case 3:
color = new SKColor(Convert.ToByte(Math.Round((i - tripleSqrtRange) / sqrtRange * 255)), 255, 0);
break;
case 4:
color = new SKColor(255, Convert.ToByte(Math.Round((fiveSqrtRange - i) / sqrtRange * 255)), 0);
break;
default:
color = new SKColor(255, 0, Convert.ToByte(Math.Round((i - fiveSqrtRange) / sqrtRange * 255)));
break;
}
bitmap.SetPixel(0, i, color);
}
canvas.DrawBitmap(bitmap.Resize(new SKImageInfo(Convert.ToInt32(bitmapSide / 6.0), Convert.ToInt32(bitmapSide)), SKBitmapResizeMethod.Mitchell), new SKRect(Convert.ToSingle(info.Width - bitmapSide / 6.0), 0, Convert.ToSingle(info.Width), info.Height));
}
blackSKPaint.TextSize = info.Height / 32f;
float textRange = (info.Height - blackSKPaint.TextSize * 3) / 6f;
canvas.DrawText(string.Format("{0:N2}", min), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", min + range), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", min + range * 2), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 2, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", min + range * 3), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 3, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", min + range * 4), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 4, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", min + range * 5), Convert.ToSingle(info.Width - bitmapSide / 8), blackSKPaint.TextSize * 2 + textRange * 5, blackSKPaint);
canvas.DrawText(string.Format("{0:N2}", max), 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 = SKColors.Black;
double value = mapping.Invoke(point) - min;
switch (Math.Floor(value / range))
{
case 0:
color = new SKColor(Convert.ToByte(Math.Round(value / range * 255)), Convert.ToByte(Math.Round(value / range * 255)), 255);
break;
case 1:
color = new SKColor(Convert.ToByte(Math.Round((doubleRange - value) / range * 255)), 255, 255);
break;
case 2:
color = new SKColor(0, 255, Convert.ToByte(Math.Round((tripleRange - value) / range * 255)));
break;
case 3:
color = new SKColor(Convert.ToByte(Math.Round((value - tripleRange) / range * 255)), 255, 0);
break;
case 4:
color = new SKColor(255, Convert.ToByte(Math.Round((fiveRange - value) / range * 255)), 0);
break;
default:
color = new SKColor(255, 0, Convert.ToByte(Math.Round((value - fiveRange) / range * 255)));
break;
}
bitmap.SetPixel(Convert.ToInt32(side - point.x), Convert.ToInt32(side - point.y), color);
}
if (mask)
{
using (SKPath path = new SKPath())
{
path.AddCircle(Convert.ToSingle(centerX), Convert.ToSingle(centerY), Convert.ToSingle(radius));
canvas.ClipPath(path, SKClipOperation.Intersect);
}
}
canvas.DrawBitmap(bitmap.Resize(new SKImageInfo(Convert.ToInt32(radius), Convert.ToInt32(radius)), SKBitmapResizeMethod.Mitchell), new SKRect(Convert.ToSingle(centerX - radius), Convert.ToSingle(centerY - radius), Convert.ToSingle(centerX + radius), Convert.ToSingle(centerY + radius)));
}
}
}
}