From 329ba6af41be5736ff1a82943f746dc176ba9089 Mon Sep 17 00:00:00 2001
From: Nanako <469449812@qq.com>
Date: Wed, 10 Jul 2024 22:18:39 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E6=96=B0=E5=90=AF=E7=94=A8=E8=87=AA?=
 =?UTF-8?q?=E5=8A=A8DPI=E6=84=9F=E7=9F=A5=EF=BC=8C=E5=B9=B6=E6=8F=90?=
 =?UTF-8?q?=E4=BE=9Bget=5Fdpi=5Fscale()=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 imgui_macos_main.mm    | 4 ++++
 imgui_main.h           | 1 +
 imgui_windows_main.cpp | 6 +++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/imgui_macos_main.mm b/imgui_macos_main.mm
index 26b3442..cf4f13b 100644
--- a/imgui_macos_main.mm
+++ b/imgui_macos_main.mm
@@ -67,6 +67,10 @@ void shutdown_imgui() {
     glfwTerminate();
 }
 
+float get_dpi_scale() {
+    return 1.0f;
+}
+
 void run_imgui() {
     init_imgui();
     
diff --git a/imgui_main.h b/imgui_main.h
index b93c34b..580f28d 100644
--- a/imgui_main.h
+++ b/imgui_main.h
@@ -9,6 +9,7 @@ extern bool imgui_new_frame();
 extern void draw_imgui(float delta_time);
 extern void render_imgui();
 extern void shutdown_imgui();
+extern float get_dpi_scale();
 
 extern void tick_imgui(float delta_time);
 
diff --git a/imgui_windows_main.cpp b/imgui_windows_main.cpp
index ae8fef5..09f084c 100644
--- a/imgui_windows_main.cpp
+++ b/imgui_windows_main.cpp
@@ -27,7 +27,7 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 // Main code
 int init_imgui() {
     // Create application window
-    // ImGui_ImplWin32_EnableDpiAwareness();
+    ImGui_ImplWin32_EnableDpiAwareness();
     wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"Arona", nullptr };
     ::RegisterClassExW(&wc);
     std::string window_title = get_window_title();
@@ -133,6 +133,10 @@ void shutdown_imgui() {
     ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
 }
 
+float get_dpi_scale() {
+    return ImGui_ImplWin32_GetDpiScaleForHwnd(hwnd);
+}
+
 void run_imgui() {
     init_imgui();
     while (true) {