From 103816ca03fba3ff396e35ce9ccdfcca56c99476 Mon Sep 17 00:00:00 2001
From: jupahe64 <jupahe@icloud.com>
Date: Mon, 6 Nov 2023 22:03:28 +0100
Subject: [PATCH] expose onConfigureIO in CreateWindow and add proper font
 setup to MainWindow

---
 Fushigi/ui/MainWindow.cs           | 27 ++++++++++++++++++++++++++-
 Fushigi/windowing/WindowManager.cs |  9 ++-------
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/Fushigi/ui/MainWindow.cs b/Fushigi/ui/MainWindow.cs
index 613cf4c1..0808781d 100644
--- a/Fushigi/ui/MainWindow.cs
+++ b/Fushigi/ui/MainWindow.cs
@@ -6,15 +6,40 @@
 using Fushigi.param;
 using Fushigi.ui.widgets;
 using ImGuiNET;
+using System.Runtime.CompilerServices;
+using System.Numerics;
 
 namespace Fushigi.ui
 {
     public class MainWindow
     {
 
+        private ImFontPtr mDefaultFont;
+
         public MainWindow()
         {
-            WindowManager.CreateWindow(out mWindow);   
+            WindowManager.CreateWindow(out mWindow, 
+                onConfigureIO: () => { 
+                    unsafe
+                    {
+                        var io = ImGui.GetIO();
+
+                        var nativeConfig = ImGuiNative.ImFontConfig_ImFontConfig();
+                        //Add a higher horizontal/vertical sample rate for global scaling.
+                        nativeConfig->OversampleH = 8;
+                        nativeConfig->OversampleV = 8;
+                        nativeConfig->RasterizerMultiply = 1f;
+                        nativeConfig->GlyphOffset = new Vector2(0);
+
+                        {
+                            mDefaultFont = io.Fonts.AddFontFromFileTTF(
+                                Path.Combine("res", "Font.ttf"),
+                                16, nativeConfig);
+
+                            //other fonts go here and follow the same schema
+                        }
+                    }
+                });
             mWindow.Load += () => WindowManager.RegisterRenderDelegate(mWindow, Render);
             mWindow.Closing += Close;
             mWindow.Run();
diff --git a/Fushigi/windowing/WindowManager.cs b/Fushigi/windowing/WindowManager.cs
index b5942d32..59a06e6d 100644
--- a/Fushigi/windowing/WindowManager.cs
+++ b/Fushigi/windowing/WindowManager.cs
@@ -24,7 +24,7 @@ private record struct WindowResources(ImGuiController ImguiController, IInputCon
         private static readonly List<IWindow> s_pendingInits = [];
         private static readonly List<(IWindow window, WindowResources res)> s_windows = [];
 
-        public static void CreateWindow(out IWindow window, Vector2D<int>? initialWindowSize = null)
+        public static void CreateWindow(out IWindow window, Vector2D<int>? initialWindowSize = null, Action? onConfigureIO = null)
         {
             var options = WindowOptions.Default;
             options.API = new GraphicsAPI(
@@ -52,13 +52,8 @@ public static void CreateWindow(out IWindow window, Vector2D<int>? initialWindow
                 if (_window.Native!.Win32.HasValue)
                     WindowsDarkmodeUtil.SetDarkmodeAware(_window.Native.Win32.Value.Hwnd);
 
-                
-                ImGuiFontConfig? imGuiFontConfig = new ImGuiFontConfig(
-                    Path.Combine("res", "Font.ttf"), 
-                    16);
-
                 var input = _window.CreateInput();
-                var imguiController = new ImGuiController(s_gl, _window, input, imGuiFontConfig);
+                var imguiController = new ImGuiController(s_gl, _window, input, onConfigureIO);
 
                 //update
                 _window.Update += ds => imguiController.Update((float)ds);