private void MainWindow_Load(object sender, EventArgs e)
{
if (_dxgiDevice != null)
{
CleanUp();
}
_dxgiDevice = DxgiDevice.CreateDevice();
_factory = Direct2DFactory.CreateFactory(FactoryType.SingleThreaded, DebugLevel.None);
using (Device device = _factory.CreateDevice(_dxgiDevice))
{
_deviceContext = device.CreateDeviceContext(DeviceContextOptions.None);
using (DxgiAdapter adapter = _dxgiDevice.GetAdapter())
using (DxgiFactory factory = adapter.GetFactory())
{
_swapChain = factory.CreateSwapChainForHwnd(_dxgiDevice, Handle);
_dxgiDevice.MaximumFrameLatency = 1;
_swapChain.GetBuffer(0, out _surface);
_bitmap = _deviceContext.CreateBitmapFromDxgiSurface(_surface);
_deviceContext.SetTarget(_bitmap);
}
for (int index = 0; index < _brushes.Length; ++index)
{
_pens[index] = _deviceContext.CreateSolidColorBrush(GetRandomColor(_random, 1));
_brushes[index] = _deviceContext.CreateSolidColorBrush(GetRandomColor(_random, 0.25f));
}
}
_directWriteFactory = DirectWriteFactory.Create(DirectWriteFactoryType.Shared);
}
private async void MainWindow_Load(object sender, EventArgs e)
{
if (_dxgiDevice != null)
{
CleanUp();
}
_dxgiDevice = DxgiDevice.CreateDevice();
_factory = Direct2DFactory.CreateFactory(FactoryType.SingleThreaded, DebugLevel.None);
using (Device device = _factory.CreateDevice(_dxgiDevice))
{
_deviceContext = device.CreateDeviceContext(DeviceContextOptions.None);
using (DxgiAdapter adapter = _dxgiDevice.GetAdapter())
using (DxgiFactory factory = adapter.GetFactory())
{
_swapChain = factory.CreateSwapChainForHwnd(_dxgiDevice, Handle);
_dxgiDevice.MaximumFrameLatency = 1;
_swapChain.GetBuffer(0, out _surface);
_bitmap = _deviceContext.CreateBitmapFromDxgiSurface(_surface);
_deviceContext.SetTarget(_bitmap);
_brush = _deviceContext.CreateSolidColorBrush(Color.FromRGB(0.1f, 0.75f, 0.5f, 1f));
_brush1 = _deviceContext.CreateSolidColorBrush(Color.FromRGB(0.1f, 0.5f, 0.75f, 1f));
}
}
_directWriteFactory = DirectWriteFactory.Create(DirectWriteFactoryType.Shared);
await CreatePoints();
}
private void Render()
{
DeviceContext renderTarget = _deviceContext;
renderTarget.BeginDraw();
List <Tuple <Geometry, Color> > copy = _task == null
? new List <Tuple <Geometry, Color> >()
: _task.Result;
_task = CreateGeometries(_time);
if (_time == 0.1f)
{
renderTarget.Clear(Color.FromKnown(Colors.Black, 1f));
}
renderTarget.FillRect(_brush, new RectF(0, 0, ClientSize.Width, ClientSize.Height));
for (int index = 0; index < copy.Count; ++index)
{
Tuple <Geometry, Color> tuple = copy[index];
using (Geometry geometry = tuple.Item1)
{
using (SolidColorBrush brush = renderTarget.CreateSolidColorBrush(tuple.Item2.AdjustContrast(1.5f)))
{
renderTarget.DrawGeometry(brush, 0.1f, geometry);
}
}
}
renderTarget.EndDraw();
_swapChain.Present(1, 0);
_time += 0.002f;
}
private async Task Render()
{
DeviceContext renderTarget = _deviceContext;
renderTarget.BeginDraw();
renderTarget.Clear(Color.FromKnown(Colors.Black, 1f));
for (int index = 0; index < PointCount; ++index)
{
for (int n = 0; n < NeighborCount; ++n)
{
renderTarget.DrawLine(_brush1, (NeighborCount - n) / (float)(10 * NeighborCount), _points[index], _points[_neighbors[index, n]]);
}
renderTarget.DrawEllipse(_brush, 0.5f, new Ellipse(_points[index], 1.5f, 1.5f));
}
string text = "Press <Esc> to exit...";
using (TextFormat textFormat = _directWriteFactory.CreateTextFormat("Segoe UI", 13, FontWeight.Normal))
using (TextLayout textLayout = _directWriteFactory.CreateTextLayout(text, textFormat, float.MaxValue, float.MaxValue))
using (SolidColorBrush textBrush = renderTarget.CreateSolidColorBrush(Color.FromKnown(Colors.White, 1)))
{
renderTarget.DrawText(
text,
textFormat,
new RectF(10, 10, ClientRectangle.Width, ClientRectangle.Height),
textBrush,
DrawTextOptions.None,
MeasuringMode.Natural
);
}
renderTarget.EndDraw();
_swapChain.Present(1, 0);
await MovePoints();
}
private void Render()
{
DeviceContext renderTarget = _deviceContext;
renderTarget.BeginDraw();
renderTarget.Clear(Color.FromKnown(Colors.Black, 1f));
_random = new Random(19292);
for (int index = 0; index < _brushes.Length; ++index)
{
float x = _random.Next(0, ClientRectangle.Width);
float y = _random.Next(0, ClientRectangle.Height);
Ellipse ellipse = new Ellipse(x, y, 50, 50);
renderTarget.FillEllipse(_brushes[index], ellipse);
renderTarget.DrawEllipse(_pens[index], 1, ellipse);
}
string text = "Press <Esc> to exit...";
using (TextFormat textFormat = _directWriteFactory.CreateTextFormat("Segoe UI", 13, FontWeight.Normal))
using (TextLayout textLayout = _directWriteFactory.CreateTextLayout(text, textFormat, float.MaxValue, float.MaxValue))
using (SolidColorBrush textBrush = renderTarget.CreateSolidColorBrush(Color.FromKnown(Colors.White, 1)))
{
renderTarget.DrawText(
text,
textFormat,
new RectF(10, 10, ClientRectangle.Width, ClientRectangle.Height),
textBrush,
DrawTextOptions.None,
MeasuringMode.Natural
);
}
renderTarget.EndDraw();
_swapChain.Present(1, 0);
}
private void MainWindow_Load(object sender, EventArgs e)
{
if (_dxgiDevice != null)
{
CleanUp();
}
_dxgiDevice = DxgiDevice.CreateDevice();
_factory = Direct2DFactory.CreateFactory(FactoryType.SingleThreaded, DebugLevel.None);
using (Device device = _factory.CreateDevice(_dxgiDevice))
{
_deviceContext = device.CreateDeviceContext(DeviceContextOptions.None);
using (DxgiAdapter adapter = _dxgiDevice.GetAdapter())
using (DxgiFactory factory = adapter.GetFactory())
{
_swapChain = factory.CreateSwapChainForHwnd(_dxgiDevice, Handle);
_dxgiDevice.MaximumFrameLatency = 1;
_swapChain.GetBuffer(0, out _surface);
_bitmap = _deviceContext.CreateBitmapFromDxgiSurface(_surface);
_deviceContext.SetTarget(_bitmap);
_brush = _deviceContext.CreateSolidColorBrush(Color.FromKnown(Colors.Black, 0.4f));
}
}
uint value = _deviceContext.MaximumBitmapSize;
}