From c5ba20173ba641f5b780fec919ad7e95f12abb0f Mon Sep 17 00:00:00 2001
From: Yousef Khadadeh <erroratline0@gmail.com>
Date: Sun, 23 Nov 2025 20:51:14 +0300
Subject: [PATCH] Emscripten version doesnt take display scaling into account
 anymore

---
 src/MainProgram.cpp | 4 ++++
 src/MainProgram.hpp | 4 +++-
 src/Toolbar.cpp     | 6 ++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/MainProgram.cpp b/src/MainProgram.cpp
index 56e3063..31f4cf5 100755
--- a/src/MainProgram.cpp
+++ b/src/MainProgram.cpp
@@ -266,7 +266,11 @@ void MainProgram::set_vsync_value(int vsyncValue) {
 }
 
 void MainProgram::update_scale_and_density() {
+#ifdef __EMSCRIPTEN__
+    window.scale = 1.0f;
+#else
     window.scale = window.applyDisplayScale ? SDL_GetWindowDisplayScale(window.sdlWindow) : 1.0f;
+#endif
     window.density = SDL_GetWindowPixelDensity(window.sdlWindow);
 }
 
diff --git a/src/MainProgram.hpp b/src/MainProgram.hpp
index f049f42..9553176 100644
--- a/src/MainProgram.hpp
+++ b/src/MainProgram.hpp
@@ -45,7 +45,9 @@ class MainProgram {
 
             float density = 1.0f;
             float scale = 1.0f;
-            bool applyDisplayScale = true;
+            #ifndef __EMSCRIPTEN__
+                bool applyDisplayScale = true;
+            #endif
 
             int defaultMSAASampleCount = 0;
             SkSurfaceProps defaultMSAASurfaceProps;
diff --git a/src/Toolbar.cpp b/src/Toolbar.cpp
index dffd59d..869fbf2 100644
--- a/src/Toolbar.cpp
+++ b/src/Toolbar.cpp
@@ -254,7 +254,9 @@ nlohmann::json Toolbar::get_config_json() {
     toRet["dragZoomSpeed"] = dragZoomSpeed;
     toRet["scrollZoomSpeed"] = scrollZoomSpeed;
     toRet["vsync"] = main.window.vsyncValue;
+#ifndef __EMSCRIPTEN__
     toRet["applyDisplayScale"] = main.window.applyDisplayScale;
+#endif
     toRet["showPerformance"] = showPerformance;
     toRet["displayName"] = main.displayName;
     toRet["useNativeFilePicker"] = useNativeFilePicker;
@@ -314,7 +316,9 @@ void Toolbar::set_config_json(const nlohmann::json& j, VersionNumber version) {
     catch(...) {
         main.set_vsync_value(1);
     }
+#ifndef __EMSCRIPTEN__
     try{j.at("applyDisplayScale").get_to(main.window.applyDisplayScale);} catch(...) {}
+#endif
     try{j.at("guiScale").get_to(guiScale);} catch(...) {}
     try{j.at("showPerformance").get_to(showPerformance);} catch(...) {}
     try{j.at("useNativeFilePicker").get_to(useNativeFilePicker);} catch(...) {}
@@ -1462,7 +1466,9 @@ void Toolbar::options_menu() {
                                         if(gui.radio_button_field("Vsync Adaptive", "Adaptive", main.window.vsyncValue == -1))
                                             main.set_vsync_value(-1);
 
+                                        #ifndef __EMSCRIPTEN__
                                         gui.checkbox_field("apply display scale", "Apply display scale", &main.window.applyDisplayScale);
+                                        #endif
 
                                         gui.pop_id();
                                         break;