public IRenderer CreateRenderer(IRenderRoot root)
{
return(Renderer = new CompositingRenderer(root, _compositor));
}
protected async Task RenderToFile(Control target, [CallerMemberName] string testName = "", double dpi = 96)
{
if (!Directory.Exists(OutputPath))
{
Directory.CreateDirectory(OutputPath);
}
var immediatePath = Path.Combine(OutputPath, testName + ".immediate.out.png");
var deferredPath = Path.Combine(OutputPath, testName + ".deferred.out.png");
var compositedPath = Path.Combine(OutputPath, testName + ".composited.out.png");
var factory = AvaloniaLocator.Current.GetService <IPlatformRenderInterface>();
var pixelSize = new PixelSize((int)target.Width, (int)target.Height);
var size = new Size(target.Width, target.Height);
var dpiVector = new Vector(dpi, dpi);
using (RenderTargetBitmap bitmap = new RenderTargetBitmap(pixelSize, dpiVector))
{
target.Measure(size);
target.Arrange(new Rect(size));
bitmap.Render(target);
bitmap.Save(immediatePath);
}
using (var rtb = factory.CreateRenderTargetBitmap(pixelSize, dpiVector))
using (var renderer = new DeferredRenderer(target, rtb))
{
target.Measure(size);
target.Arrange(new Rect(size));
renderer.UnitTestUpdateScene();
// Do the deferred render on a background thread to expose any threading errors in
// the deferred rendering path.
await Task.Run((Action)renderer.UnitTestRender);
threadingInterface.MainThread = Thread.CurrentThread;
rtb.Save(deferredPath);
}
var timer = new ManualRenderTimer();
var compositor = new Compositor(new RenderLoop(timer, Dispatcher.UIThread), null);
using (var rtb = factory.CreateRenderTargetBitmap(pixelSize, dpiVector))
{
var root = new TestRenderRoot(dpiVector.X / 96, rtb);
using (var renderer = new CompositingRenderer(root, compositor)
{
RenderOnlyOnRenderThread = false
})
{
root.Initialize(renderer, target);
renderer.Start();
Dispatcher.UIThread.RunJobs();
timer.TriggerTick();
}
// Free pools
for (var c = 0; c < 11; c++)
{
TestThreadingInterface.RunTimers();
}
rtb.Save(compositedPath);
}
}