SVG Text Rendering Testing

testing.cs

var model = new PlotModel { Title = "SVG Text Rendering" };
model.Axes.Add(new LinearAxis { Position = AxisPosition.Left });
model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom });
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A",
    TextPosition = new DataPoint(10, 80),
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA",
    TextPosition = new DataPoint(20, 80),
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA\r\nA",
    TextPosition = new DataPoint(30, 80),
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA\r\nA\r\nA",
    TextPosition = new DataPoint(40, 80),
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA\r\nA\r\nA\r\nA",
    TextPosition = new DataPoint(50, 80),
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A",
    TextPosition = new DataPoint(10, 70),
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA",
    TextPosition = new DataPoint(20, 70),
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA\r\nA",
    TextPosition = new DataPoint(30, 70),
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA\r\nA\r\nA",
    TextPosition = new DataPoint(40, 70),
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "A\r\nA\r\nA\r\nA\r\nA",
    TextPosition = new DataPoint(50, 70),
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nHello2\r\nHello3\r\nHello4",
    TextPosition = new DataPoint(80, 20),
    TextVerticalAlignment = VerticalAlignment.Middle,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "H\r\nHe\r\nHel\r\nHell\r\nHello",
    TextPosition = new DataPoint(80, 40),
    TextVerticalAlignment = VerticalAlignment.Middle,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nBottom\r\nHello3",
    TextPosition = new DataPoint(20, 40),
    TextRotation = -45,
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nMiddle\r\nHello3",
    TextPosition = new DataPoint(40, 40),
    TextRotation = -45,
    TextVerticalAlignment = VerticalAlignment.Middle,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nTop\r\nHello3",
    TextPosition = new DataPoint(60, 40),
    TextRotation = -45,
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nBottom\r\nHello3",
    TextPosition = new DataPoint(20, 20),
    TextRotation = 45,
    TextVerticalAlignment = VerticalAlignment.Bottom,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nMiddle\r\nHello3",
    TextPosition = new DataPoint(40, 20),
    TextRotation = 45,
    TextVerticalAlignment = VerticalAlignment.Middle,
});
 
model.Annotations.Add(new OxyPlot.Annotations.TextAnnotation()
{
    Text = "Hello1\r\nTop\r\nHello3",
    TextPosition = new DataPoint(60, 20),
    TextRotation = 45,
    TextVerticalAlignment = VerticalAlignment.Top,
});
 
OxyPlot.WindowsForms.PlotView plotView = new OxyPlot.WindowsForms.PlotView();
plotView.Model = model;
this.Controls.Add(plotView);
plotView.Invalidate();
plotView.Dock = DockStyle.Fill;
 
this.Refresh();
 
SvgExporter svgExporter = new SvgExporter();
using (var fs = System.IO.File.Open("test2.svg", System.IO.FileMode.Create))
{
    svgExporter.Export(model, fs);
}
 
svgExporter = new SvgExporter();
svgExporter.UseVerticalTextAlignmentWorkaround = true;
using (var fs = System.IO.File.Open("test3.svg", System.IO.FileMode.Create))
{
    svgExporter.Export(model, fs);
}

with.svg

without.svg