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Add white outline to wpno on wp markers for better visibility. #3505

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Add white outline to wpno on wp markers for better visibility. #3505

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21 changes: 18 additions & 3 deletions ExtLibs/Maps/GMapMarkerWP.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,23 @@ public GMapMarkerWP(PointLatLng p, string wpno)
Bitmap temp = new Bitmap(100,40, PixelFormat.Format32bppArgb);
using (Graphics g = Graphics.FromImage(temp))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
txtsize = g.MeasureString(wpno, font);

g.DrawString(wpno, font, Brushes.Black, new PointF(0, 0));
System.Drawing.Drawing2D.GraphicsPath pth = new System.Drawing.Drawing2D.GraphicsPath();
pth.AddString(
wpno,
font.FontFamily,
(int)FontStyle.Regular,
g.DpiY * (font.Size) / 72,
new Point(0, 0),
new StringFormat());
g.DrawPath(new Pen(Brushes.White,3), pth);
g.DrawPath(new Pen(Brushes.Black, 1.5f), pth);

}
fontBitmaps[wpno] = temp;
}
Expand All @@ -46,12 +58,15 @@ public override void OnRender(IGraphics g)
g.FillEllipse(Brushes.Red, new Rectangle(this.LocalPosition, this.Size));
g.DrawArc(Pens.Red, new Rectangle(this.LocalPosition, this.Size), 0, 360);
}

base.OnRender(g);

var midw = LocalPosition.X + 10;
var midh = LocalPosition.Y + 3;

// need to recalculate textsize for redrawing
txtsize = g.MeasureString(wpno, font);

if (txtsize.Width > 15)
midw -= 4;

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