public void Should_Track_Bounds()
{
using (UnitTestApplication.Start(TestServices.StyledWindow))
{
var control = default(Rectangle);
var tree = new Decorator
{
Padding = new Thickness(10),
Child = new Decorator
{
Padding = new Thickness(5),
Child = control = new Rectangle
{
Width = 15,
Height = 15,
},
}
};
var context = new DrawingContext(Mock.Of <IDrawingContextImpl>());
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(0, 0, 100, 100));
ImmediateRenderer.Render(tree, context);
var track = control.GetObservable(Visual.TransformedBoundsProperty);
var results = new List <TransformedBounds?>();
track.Subscribe(results.Add);
Assert.Equal(new Rect(0, 0, 15, 15), results[0].Value.Bounds);
Assert.Equal(Matrix.CreateTranslation(42, 42), results[0].Value.Transform);
}
}
private void Render(IControl control)
{
var ctx = CreateDrawingContext();
control.Measure(Size.Infinity);
control.Arrange(new Rect(control.DesiredSize));
ImmediateRenderer.Render(control, ctx);
}
public static void ToFile(string fileName, IEnumerable <IVisual> visuals)
{
using var doc = SKDocument.CreatePdf(fileName);
foreach (var visual in visuals)
{
var bounds = visual.Bounds;
var page = doc.BeginPage((float)bounds.Width, (float)bounds.Height);
var renderTarget = SkiaRenderTarget.Create(page);
ImmediateRenderer.Render(visual, renderTarget);
doc.EndPage();
}
doc.Close();
}
public static void ToFile(string fileName, IEnumerable <IVisual> visuals)
{
using var doc = SKDocument.CreatePdf(fileName);
foreach (var visual in visuals)
{
var bounds = visual.Bounds;
var page = doc.BeginPage((float)bounds.Width, (float)bounds.Height);
using var context = new DrawingContext(DrawingContextHelper.WrapSkiaCanvas(page, SkiaPlatform.DefaultDpi));
ImmediateRenderer.Render(visual, context);
doc.EndPage();
}
doc.Close();
}
public void Static_Render_Method_Does_Not_Update_TransformedBounds()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
var target = new Border();
var expected = new TransformedBounds(new Rect(1, 2, 3, 4), new Rect(4, 5, 6, 7), Matrix.CreateRotation(0.8));
((IVisual)target).TransformedBounds = expected;
var renderTarget = Mock.Of <IRenderTarget>(x =>
x.CreateDrawingContext(It.IsAny <IVisualBrushRenderer>()) == Mock.Of <IDrawingContextImpl>());
ImmediateRenderer.Render(target, renderTarget);
Assert.Equal(expected, target.TransformedBounds);
}
}
public static void Render(Control target, SKCanvas canvas, double dpi = 96, bool useDeferredRenderer = false)
{
var renderTarget = new CanvasRenderTarget(canvas, dpi);
if (useDeferredRenderer)
{
using var renderer = new DeferredRenderer(target, renderTarget);
renderer.Start();
var renderLoopTask = renderer as IRenderLoopTask;
renderLoopTask.Update(TimeSpan.Zero);
renderLoopTask.Render();
}
else
{
ImmediateRenderer.Render(target, renderTarget);
}
}
/// <summary> /// Renders a visual to the <see cref="RenderTargetBitmap"/>. /// </summary> /// <param name="visual">The visual to render.</param> public void Render(IVisual visual) => ImmediateRenderer.Render(visual, this);