protected override void OnResize(EventArgs e)
{
base.OnResize(e);
if (WindowState != FormWindowState.Minimized && XResource.DeviceAvailable)
{
OnReleaseDeviceSizeResources();
XResource.Resize();
OnCreateDeviceSizeResources();
}
}
static void Main()
{
using (var res = new XResource())
using (var form = new Form()
{
Text = "Hello World"
})
{
var timer = new RenderTimer();
var bottomRightFont = new DWrite.TextFormat(res.DWriteFactory, "Consolas", 16.0f)
{
FlowDirection = DWrite.FlowDirection.BottomToTop,
TextAlignment = DWrite.TextAlignment.Trailing,
};
var bottomLeftFont = new DWrite.TextFormat(res.DWriteFactory, "Consolas",
DWrite.FontWeight.Normal, DWrite.FontStyle.Italic, 24.0f)
{
FlowDirection = DWrite.FlowDirection.BottomToTop,
TextAlignment = DWrite.TextAlignment.Leading,
};
form.Resize += (o, e) =>
{
if (form.WindowState != FormWindowState.Minimized && res.DeviceAvailable)
{
res.Resize();
}
};
RenderLoop.Run(form, () => Render());
void Render()
{
if (!res.DeviceAvailable)
{
res.InitializeDevice(form.Handle);
}
var target = res.RenderTarget;
timer.BeginFrame();
target.BeginDraw();
Draw(target);
target.EndDraw();
res.SwapChain.Present(1, 0);
timer.EndFrame();
}
void Draw(DeviceContext target)
{
target.Clear(Color.CornflowerBlue.ToColor4());
RectangleF rectangle = new RectangleF(0, 0, target.Size.Width, target.Size.Height);
target.DrawRectangle(
new RectangleF(10, 10, target.Size.Width - 20, target.Size.Height - 20),
res.GetColor(Color.Blue));
target.DrawText("😀😁😂🤣😃😄😅😆😉😊😋😎",
res.TextFormats[36], rectangle, res.GetColor(Color.Blue),
DrawTextOptions.EnableColorFont);
target.DrawText("FPS: " + timer.FramesPerSecond.ToString("F1"),
bottomRightFont, rectangle, res.GetColor(Color.Red));
target.DrawText("Hello World",
bottomLeftFont, rectangle, res.GetColor(Color.Purple));
}
}
}