public override void Render(IMapContext map)
{
var frames = settings.Get <List <FovFrame> >("FovFrames").Where(f => f.Enabled);
foreach (var frame in frames)
{
if (frame is FinderFovFrame finderFrame)
{
var sizes = finderFrame.Sizes.OrderByDescending(s => s);
bool outer = true;
foreach (var size in sizes)
{
DrawFovCircle(map, size, finderFrame, isOuter: outer);
if (finderFrame.Crosslines)
{
float radius = size * 3600 / 4;
float diam = map.GetDiskSize(radius);
// do not draw frame if its size exceeds screen bounds
if (diam < Math.Sqrt(map.Width * map.Width + map.Height * map.Height))
{
map.Graphics.DrawPlusCross(new Pen(frame.Color.GetColor(map.Schema, map.DayLightFactor)), new PointF(map.Width / 2, map.Height / 2), diam);
}
}
outer = false;
}
}
else if (frame is CircularFovFrame circularFrame)
{
DrawFovCircle(map, circularFrame.Size, circularFrame, isOuter: true);
}
else if (frame is CameraFovFrame cameraFrame)
{
float width = map.GetDiskSize(cameraFrame.Width * 3600 / 2);
float height = map.GetDiskSize(cameraFrame.Height * 3600 / 2);
// do not draw frame if its size exceeds screen bounds
if (Math.Min(width, height) < Math.Sqrt(map.Width * map.Width + map.Height * map.Height))
{
var pCenter = new PointF(map.Width / 2, map.Height / 2);
if (cameraFrame.RotateOrigin == FovFrameRotateOrigin.Equatorial)
{
map.Rotate(pCenter, map.Center.ToEquatorial(map.GeoLocation, map.SiderealTime), cameraFrame.Rotation);
}
else if (cameraFrame.RotateOrigin == FovFrameRotateOrigin.Horizontal)
{
map.Rotate(pCenter, cameraFrame.Rotation);
}
if (frame.Shading > 0 && cameraFrame.Height >= map.ViewAngle / 2)
{
var rect = new GraphicsPath();
rect.AddRectangle(new RectangleF(-width / 2, -height / 2, width, height));
var shading = new Region(new RectangleF(0, 0, map.Width, map.Height));
shading.Exclude(rect);
int transparency = (int)(frame.Shading / 100f * 255);
var solidBrush = new SolidBrush(Color.FromArgb(transparency, map.GetSkyColor()));
map.Graphics.FillRegion(solidBrush, shading);
}
map.Graphics.DrawRectangle(new Pen(frame.Color.GetColor(map.Schema, map.DayLightFactor)), -width / 2, -height / 2, width, height);
float labelWidth = map.Graphics.MeasureString(frame.Label, font).Width;
if (labelWidth <= width * 2)
{
map.Graphics.DrawString(frame.Label, font, new SolidBrush(frame.Color.GetColor(map.Schema, map.DayLightFactor)), new PointF(0, height / 2), format);
}
map.Graphics.ResetTransform();
}
}
}
}
public virtual void Draw(IMapContext map, ISettings settings, DeepSky ds)
{
PointF p = map.Project(ds.Horizontal);
float sizeA = GetDiameter(map, ds.SizeA);
float sizeB = GetDiameter(map, ds.SizeB);
// elliptic object with known size
if (sizeB > 0 && sizeB != sizeA)
{
float diamA = GetDiameter(map, ds.SizeA);
if (diamA > 10)
{
float diamB = GetDiameter(map, ds.SizeB);
if (ds.Outline != null && settings.Get <bool>("DeepSkyOutlines"))
{
DrawOutline(map, ds.Outline);
}
else
{
map.Rotate(p, ds.Equatorial, ds.PA + 90);
DrawEllipticObject(map.Graphics, diamA, diamB);
map.Graphics.ResetTransform();
}
map.AddDrawnObject(ds);
if (map.ViewAngle <= Renderer.limitLabels && settings.Get <bool>("DeepSkyLabels"))
{
var font = settings.Get <Font>("DeepSkyLabelsFont");
map.DrawObjectCaption(font, Renderer.brushCaption, ds.DisplayName, p, Math.Min(diamA, diamB));
}
}
}
// round object
else if (sizeA > 0)
{
float diamA = GetDiameter(map, ds.SizeA);
if (diamA > 10)
{
if (ds.Outline != null && settings.Get <bool>("DeepSkyOutlines"))
{
DrawOutline(map, ds.Outline);
}
else
{
map.Rotate(p, ds.Equatorial, ds.PA + 90);
DrawRoundObject(map.Graphics, diamA);
map.Graphics.ResetTransform();
}
map.AddDrawnObject(ds);
if (map.ViewAngle <= Renderer.limitLabels && settings.Get <bool>("DeepSkyLabels"))
{
var font = settings.Get <Font>("DeepSkyLabelsFont");
map.DrawObjectCaption(font, Renderer.brushCaption, ds.DisplayName, p, diamA);
}
}
}
// point object
else
{
float size = map.GetPointSize(ds.Mag == null ? 15 : ds.Mag.Value);
if ((int)size > 0)
{
if (ds.Outline != null && settings.Get <bool>("DeepSkyOutlines"))
{
DrawOutline(map, ds.Outline);
}
else
{
map.Graphics.TranslateTransform(p.X, p.Y);
DrawPointObject(map.Graphics, size);
map.Graphics.ResetTransform();
}
map.AddDrawnObject(ds);
if (map.ViewAngle <= Renderer.limitLabels && settings.Get <bool>("DeepSkyLabels"))
{
var font = settings.Get <Font>("DeepSkyLabelsFont");
map.DrawObjectCaption(font, Renderer.brushCaption, ds.DisplayName, p, 0);
}
}
}
}
