/// <summary>
/// Exports the specified plot model to a bitmap.
/// </summary>
/// <param name="model">The model to export.</param>
/// <returns>A bitmap.</returns>
public IBitmap ExportToBitmap(IPlotModel model)
{
var scale = 96d / Resolution;
var canvas = new Canvas {
Width = Width * scale, Height = Height * scale, Background = Background.ToBrush()
};
canvas.Measure(new Size(canvas.Width, canvas.Height));
canvas.Arrange(new Rect(0, 0, canvas.Width, canvas.Height));
var rc = new CanvasRenderContext(canvas)
{
RendersToScreen = false
};
model.Update(true);
model.Render(rc, canvas.Width, canvas.Height);
canvas.Measure(new Size(canvas.Width, canvas.Height));
canvas.Arrange(new Rect(0, 0, canvas.Width, canvas.Height));
var bmp = new RenderTargetBitmap(new PixelSize(Width, Height));
bmp.Render(canvas);
return(bmp);
}
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal processes (such as a rebuilding layout pass)
/// call <see cref="M:System.Windows.Controls.Control.ApplyTemplate" /> . In simplest terms, this means the method is called
/// just before a UI element displays in an application. For more information, see Remarks.
/// </summary>
/// <param name="e">Event data for applying the template.</param>
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
panel = e.NameScope.Find(PartPanel) as Panel;
if (panel == null)
{
return;
}
canvas = new Canvas();
panel.Children.Add(canvas);
renderContext = new CanvasRenderContext(canvas);
overlays = new Canvas {
Name = "Overlays"
};
panel.Children.Add(overlays);
zoomControl = new ContentControl();
overlays.Children.Add(zoomControl);
}
/// <summary>
/// Initializes a new instance of the <see cref="SvgExporter" /> class.
/// </summary>
public SvgExporter()
{
TextMeasurer = new CanvasRenderContext(new Canvas());
}
