public DevModeOverlay(
GraphicsDevice graphicsDevice,
Framebuffer framebuffer,
LogEventRecorder logEventRecorder)
{
Framebuffer mainFramebuffer = framebuffer;
_imguiRenderer = new ImGuiRenderer(
graphicsDevice,
mainFramebuffer.OutputDescription,
(int)mainFramebuffer.Width,
(int)mainFramebuffer.Height
);
ImGui.EndFrame();
ImGuiIOPtr io = ImGui.GetIO();
io.Fonts.Clear();
io.Fonts.AddFontFromFileTTF(
"Fonts/NotoSansCJKjp-Regular.ttf",
16, null, io.Fonts.GetGlyphRangesJapanese()
);
_imguiRenderer.RecreateFontDeviceTexture(graphicsDevice);
ImGui.NewFrame();
_gd = graphicsDevice;
_cl = _gd.ResourceFactory.CreateCommandList();
_framebuffer = mainFramebuffer;
_logView = new LogView(logEventRecorder);
}
public static ImFontPtr LoadSystemFont(this ImGuiRenderer renderer, string fontFileName)
{
var windows = Environment.GetEnvironmentVariable("WINDIR");
if (windows == null)
{
return(null);
}
var fontPath = Path.Combine(windows, "Fonts", fontFileName);
var font = ImGui.GetIO().Fonts.AddFontFromFileTTF(fontPath, 13);
if (!font.IsNull())
{
renderer.RecreateFontDeviceTexture();
}
return(font);
}
public GuiVisual()
{
var window = IoC.Resolve <Sdl2Window>();
graphicsDevice = IoC.Resolve <GraphicsDevice>();
imGuiRenderer = new ImGuiRenderer(graphicsDevice, graphicsDevice.MainSwapchain.Framebuffer.OutputDescription, window.Width, window.Height);
var style = ImGui.GetStyle();
style.FrameBorderSize = 1f;
style.WindowBorderSize = 3f;
var io = ImGui.GetIO();
io.ConfigFlags |= ImGuiConfigFlags.NavEnableKeyboard;
io.ConfigWindowsResizeFromEdges = true;
var fonts = io.Fonts;
//fonts.ClearFonts();
//var config = new ImFontConfig
//{
// OversampleH = 2,
// OversampleV = 2,
//};
//IntPtr unmanagedAddr = Marshal.AllocHGlobal(Marshal.SizeOf(config));
//Marshal.StructureToPtr(config, unmanagedAddr, true);
font = fonts.AddFontFromFileTTF("Content/DroidSans.ttf", 32);
//font.ConfigDataCount = 1;
//var i = font.ConfigDataCount;
//font = fonts.AddFontFromFileTTF(@"D:\arial.ttf", 26, new ImFontConfigPtr(unmanagedAddr));
//io.FontDefault = font;
imGuiRenderer.RecreateFontDeviceTexture();
window.Resized += () =>
{
imGuiRenderer.WindowResized(window.Width, window.Height);
};
}
static void MainImGui(string[] args)
{
VeldridStartup.CreateWindowAndGraphicsDevice(
new WindowCreateInfo(50, 50, 1920, 1080, WindowState.Normal, "ImGui Test"),
out var window,
out var gd);
var cl = gd.ResourceFactory.CreateCommandList();
// [1]
var imguiRenderer = new ImGuiRenderer(
gd,
gd.MainSwapchain.Framebuffer.OutputDescription,
window.Width,
window.Height);
var io = ImGui.GetIO();
//
// var data = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(ushort)) * 3);
// var ranges = new ImVector<ushort>(3, 3, data);
// ranges[0] = 0xf000;
// ranges[1] = 0xf3ff;
// ranges[2] = 0;
//
var font = io.Fonts.AddFontFromFileTTF("Inconsolata-Regular.ttf", 16);
// io.Fonts.Build();
imguiRenderer.RecreateFontDeviceTexture();
if (!font.IsLoaded())
{
throw new Exception("Could not load font");
}
var field = typeof(ImGuiRenderer).GetField("_scaleFactor", BindingFlags.Instance | BindingFlags.NonPublic);
field.SetValue(imguiRenderer, new Vector2(2.5f, 2.5f));
window.Resized += () =>
{
imguiRenderer.WindowResized(window.Width, window.Height);
gd.MainSwapchain.Resize((uint)window.Width, (uint)window.Height);
};
var buffer = new StringBuilder("[ryan@manjaro-xfce-vm-laptop ~]$ ");
// for (int i = 127; i < 256 + 128; i++)
// buffer.AppendLine($"{i}: {(char)i}");
var nextToggle = DateTime.UtcNow.AddMilliseconds(750);
bool visible = true;
while (window.Exists)
{
var snapshot = new InputSnapshotWrapper(window.PumpEvents(), new Vector2(2.5f, 2.5f));
imguiRenderer.Update(1f / 60f, snapshot); // [2]
bool scrollToBottom = false;
foreach (var c in snapshot.KeyCharPresses)
{
buffer.Append(c);
scrollToBottom = true;
}
foreach (var k in snapshot.KeyEvents)
{
if (k.Down && k.Key == Key.Enter)
{
buffer.AppendLine();
scrollToBottom = true;
}
}
if (DateTime.UtcNow >= nextToggle)
{
visible = !visible;
nextToggle = nextToggle.AddMilliseconds(750);
}
// Draw whatever you want here.
ImGui.Begin("Test Window", ImGuiWindowFlags.NoBackground | ImGuiWindowFlags.NoTitleBar | ImGuiWindowFlags.NoMove | ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoNav);
ImGui.SetWindowPos(new Vector2(0, 0));
ImGui.SetWindowSize(new Vector2(window.Width / 2.5f, window.Height / 2.5f));
{
ImGui.PushFont(font);
ImGui.TextWrapped(buffer.ToString() + (visible ? '_' : ' '));
if (scrollToBottom)
{
ImGui.SetScrollHereY(1);
}
}
cl.Begin();
cl.SetFramebuffer(gd.MainSwapchain.Framebuffer);
cl.ClearColorTarget(0, new RgbaFloat(0, 0, 0.2f, 1f));
imguiRenderer.Render(gd, cl); // [3]
cl.End();
gd.SubmitCommands(cl);
gd.SwapBuffers(gd.MainSwapchain);
}
}