public void Should_Trim_DrawOperations()
{
var node = new VisualNode(new TestRoot(), null);
node.LayerRoot = node.Visual;
for (var i = 0; i < 4; ++i)
{
var drawOperation = new Mock <IDrawOperation>();
using (var r = RefCountable.Create(drawOperation.Object))
{
node.AddDrawOperation(r);
}
}
var drawOperations = node.DrawOperations.Select(op => op.Item).ToList();
var layers = new SceneLayers(node.Visual);
var target = new DeferredDrawingContextImpl(null, layers);
using (target.BeginUpdate(node))
{
target.DrawRectangle(Brushes.Green, null, new Rect(0, 0, 10, 100));
target.DrawRectangle(Brushes.Blue, null, new Rect(0, 0, 20, 100));
}
Assert.Equal(2, node.DrawOperations.Count);
foreach (var i in drawOperations)
{
Mock.Get(i).Verify(x => x.Dispose());
}
}
public void Should_Update_DirtyRects()
{
var node = new VisualNode(new TestRoot(), null);
var operation = new RectangleNode(Matrix.Identity, Brushes.Red, null, new Rect(0, 0, 100, 100), default);
var layers = new SceneLayers(node.Visual);
var target = new DeferredDrawingContextImpl(null, layers);
node.LayerRoot = node.Visual;
using (target.BeginUpdate(node))
{
target.DrawRectangle(Brushes.Green, null, new Rect(0, 0, 100, 100));
}
Assert.Equal(new Rect(0, 0, 100, 100), layers.Single().Dirty.Single());
}
public void Should_Add_DrawOperations()
{
var node = new VisualNode(new TestRoot(), null);
var layers = new SceneLayers(node.Visual);
var target = new DeferredDrawingContextImpl(null, layers);
node.LayerRoot = node.Visual;
using (target.BeginUpdate(node))
{
target.DrawRectangle(Brushes.Red, new Pen(Brushes.Green, 1), new Rect(0, 0, 100, 100));
}
Assert.Equal(1, node.DrawOperations.Count);
Assert.IsType <RectangleNode>(node.DrawOperations[0].Item);
}
public void Trimmed_DrawOperations_Releases_Reference()
{
var node = new VisualNode(new TestRoot(), null);
var operation = RefCountable.Create(new RectangleNode(Matrix.Identity, Brushes.Red, null, new Rect(0, 0, 100, 100), default));
var layers = new SceneLayers(node.Visual);
var target = new DeferredDrawingContextImpl(null, layers);
node.LayerRoot = node.Visual;
node.AddDrawOperation(operation);
Assert.Equal(2, operation.RefCount);
using (target.BeginUpdate(node))
{
target.DrawRectangle(Brushes.Green, null, new Rect(0, 0, 100, 100));
}
Assert.Equal(1, node.DrawOperations.Count);
Assert.NotSame(operation, node.DrawOperations.Single());
Assert.Equal(1, operation.RefCount);
}
public void Should_Not_Replace_Identical_DrawOperation()
{
var node = new VisualNode(new TestRoot(), null);
var operation = RefCountable.Create(new RectangleNode(Matrix.Identity, Brushes.Red, null, new Rect(0, 0, 100, 100), default));
var layers = new SceneLayers(node.Visual);
var target = new DeferredDrawingContextImpl(null, layers);
node.LayerRoot = node.Visual;
node.AddDrawOperation(operation);
using (target.BeginUpdate(node))
{
target.DrawRectangle(Brushes.Red, null, new Rect(0, 0, 100, 100));
}
Assert.Equal(1, node.DrawOperations.Count);
Assert.Same(operation.Item, node.DrawOperations.Single().Item);
Assert.IsType <RectangleNode>(node.DrawOperations[0].Item);
}
