public static void Draw(this SKCanvas canvas, CanvasDrawModel circle)
{
if (canvas == null)
{
throw new ArgumentException($"{nameof(canvas)} is null.", nameof(canvas));
}
try
{
var circleColor = circle.Color ?? Color.WhiteSmoke;
var paint = new SKPaint();
if (circle.BorderColor.HasValue && circle.StrokeWidth > 0)
{
circleColor = circle.BorderColor.Value;
paint.Style = SKPaintStyle.Stroke;
paint.StrokeWidth = circle.StrokeWidth;
}
else
{
paint.Style = SKPaintStyle.Fill;
}
paint.Color = new SKColor(circleColor.R, circleColor.G, circleColor.B, circleColor.A);
canvas.DrawCircle(circle.CentreX, circle.CentreY, circle.Radius, paint);
}
catch (Exception exception)
{
LogHelper.LogError(exception);
throw;
}
}
private static void DrawCompare(this SKCanvas canvas, SKImageInfo info, CelestialDrawModel origin, CelestialDrawModel compare)
{
var originRadius = origin.Radius;
var compareRadius = compare.Radius;
var maxCanvasWidth = info.Width;
var maxCanvasHeight = info.Height;
var maxRadius = DoubleHelper.GetMax(originRadius, compareRadius);
var minRadius = DoubleHelper.GetMin(originRadius, compareRadius);
var divisionFactor = maxCanvasWidth * 0.9 / (minRadius * 4 > maxRadius ? 2 : 1);
var factor = maxRadius / divisionFactor;
var originFactoredRadius = (int)DoubleHelper.GetMax(Math.Floor(originRadius / factor), 1);
var compareFactoredRadius = (int)DoubleHelper.GetMax(Math.Floor(compareRadius / factor), 1);
var originCentreX = GetCentreX(maxCanvasWidth, originFactoredRadius, true);
var compareCentreX = GetCentreX(maxCanvasWidth, compareFactoredRadius, false);
var centreY = maxCanvasHeight / 2;
var originDraw = new CanvasDrawModel(origin.Id, origin.Description, originFactoredRadius, originCentreX, centreY, origin.Color, null, null, 0);
var compareDraw = new CanvasDrawModel(compare.Id, compare.Description, compareFactoredRadius, compareCentreX, centreY, compare.Color, null, null, 0);
canvas.Draw(originDraw);
canvas.Draw(compareDraw);
}
private static void DrawOrbits(this SKCanvas canvas, IEnumerable <CelestialDrawModel> orbits, DrawParameterModel drawParameters)
{
foreach (var orbit in orbits.Where(x => x.Radius > 0))
{
var draw =
new CanvasDrawModel(
orbit.Id,
orbit.Description,
(int)Math.Ceiling(orbit.Radius * drawParameters.OrbitFactor) + SunRadius,
drawParameters.CentreX,
drawParameters.CentreY,
null,
orbit.BorderColor,
null,
orbit.StrokeWidth);
canvas.Draw(draw);
}
}
private static void DrawBodies(this SKCanvas canvas, IEnumerable <CelestialDrawModel> bodies, DrawParameterModel drawParameters)
{
var orderedBodies = bodies.OrderByDescending(x => x.Radius).ToList();
var sizes = new[] { SunRadius, 20, 18, 16, 14, 8, 8, 6, 4, 4 };
for (var index = 0; index < orderedBodies.Count; index++)
{
try
{
var body = orderedBodies[index];
var centreX = GetCentreValue(drawParameters.CentreX, body.Location, DrawOrientation.Vertical, drawParameters);
var centreY = GetCentreValue(drawParameters.CentreY, body.Location, DrawOrientation.Horizontal, drawParameters);
var draw =
new CanvasDrawModel(
body.Id,
body.Description,
sizes[index],
centreX,
centreY,
body.Color,
null,
null,
0);
canvas.Draw(draw);
}
catch (ArgumentException exception)
{
LogHelper.LogError(exception);
}
catch (Exception exception)
{
LogHelper.LogError(exception);
}
}
}
