Fixed using IMGUI_DISABLE_DEMO_WINDOWS without IMGUI_DISABLE_DEBUG_TOOLS and without linking with imgui_demo.cpp

docs/CHANGELOG.txt

@@ -290,6 +290,8 @@ Other changes:
   to be a valid low-level texture identifier.
 - Debug Tools: Fonts section: add font preview, add "Remove" button, add "Load all glyphs"
   button, add selection to change font backend when both are compiled in.
+- Special thanks for fonts/texture related feedback to: @thedmd, @ShironekoBen, @rodrigorc,
+  @pathogendavid, @itamago, @rokups, @DucaRii, @Aarkham, @cyfewlp.
 
 - IO: variations in analog-only components of gamepad events do not interfere
   with trickling of mouse position events (#4921, #8508)

imgui.cpp

@@ -15921,7 +15921,7 @@ void ImGui::ShowFontAtlas(ImFontAtlas* atlas)
         if (loader_current == loader_freetype)
         {
             unsigned int loader_flags = atlas->FontLoaderFlags;
-            Text("Shared FreeType Loader Flags:  0x%08", loader_flags);
+            Text("Shared FreeType Loader Flags:  0x%08X", loader_flags);
             if (ImGuiFreeType::DebugEditFontLoaderFlags(&loader_flags))
             {
                 for (ImFont* font : atlas->Fonts)
@@ -17726,6 +17726,40 @@ void ImGui::DebugHookIdInfo(ImGuiID, ImGuiDataType, const void*, const void*) {}
 
 #endif // #ifndef IMGUI_DISABLE_DEBUG_TOOLS
 
+#if !defined(IMGUI_DISABLE_DEMO_WINDOWS) || !defined(IMGUI_DISABLE_DEBUG_TOOLS)
+// Demo helper function to select among loaded fonts.
+// Here we use the regular BeginCombo()/EndCombo() api which is the more flexible one.
+void ImGui::ShowFontSelector(const char* label)
+{
+    ImGuiIO& io = GetIO();
+    ImFont* font_current = GetFont();
+    if (BeginCombo(label, font_current->GetDebugName()))
+    {
+        for (ImFont* font : io.Fonts->Fonts)
+        {
+            PushID((void*)font);
+            if (Selectable(font->GetDebugName(), font == font_current))
+                io.FontDefault = font;
+            if (font == font_current)
+                SetItemDefaultFocus();
+            PopID();
+        }
+        EndCombo();
+    }
+    SameLine();
+    if (io.BackendFlags & ImGuiBackendFlags_RendererHasTextures)
+        MetricsHelpMarker(
+            "- Load additional fonts with io.Fonts->AddFontXXX() functions.\n"
+            "- Read FAQ and docs/FONTS.md for more details.");
+    else
+        MetricsHelpMarker(
+            "- Load additional fonts with io.Fonts->AddFontXXX() functions.\n"
+            "- The font atlas is built when calling io.Fonts->GetTexDataAsXXXX() or io.Fonts->Build().\n"
+            "- Read FAQ and docs/FONTS.md for more details.\n"
+            "- If you need to add/remove fonts at runtime (e.g. for DPI change), do it before calling NewFrame().");
+}
+#endif // #if !defined(IMGUI_DISABLE_DEMO_WINDOWS) || !defined(IMGUI_DISABLE_DEBUG_TOOLS)
+
 //-----------------------------------------------------------------------------
 
 // Include imgui_user.inl at the end of imgui.cpp to access private data/functions that aren't exposed.

imgui_demo.cpp

@@ -8171,43 +8171,10 @@ void ImGui::ShowAboutWindow(bool* p_open)
 //-----------------------------------------------------------------------------
 // [SECTION] Style Editor / ShowStyleEditor()
 //-----------------------------------------------------------------------------
-// - ShowFontSelector()
 // - ShowStyleSelector()
 // - ShowStyleEditor()
 //-----------------------------------------------------------------------------
 
-// Demo helper function to select among loaded fonts.
-// Here we use the regular BeginCombo()/EndCombo() api which is the more flexible one.
-void ImGui::ShowFontSelector(const char* label)
-{
-    ImGuiIO& io = ImGui::GetIO();
-    ImFont* font_current = ImGui::GetFont();
-    if (ImGui::BeginCombo(label, font_current->GetDebugName()))
-    {
-        for (ImFont* font : io.Fonts->Fonts)
-        {
-            ImGui::PushID((void*)font);
-            if (ImGui::Selectable(font->GetDebugName(), font == font_current))
-                io.FontDefault = font;
-            if (font == font_current)
-                ImGui::SetItemDefaultFocus();
-            ImGui::PopID();
-        }
-        ImGui::EndCombo();
-    }
-    ImGui::SameLine();
-    if (io.BackendFlags & ImGuiBackendFlags_RendererHasTextures)
-        HelpMarker(
-            "- Load additional fonts with io.Fonts->AddFontXXX() functions.\n"
-            "- Read FAQ and docs/FONTS.md for more details.");
-    else
-        HelpMarker(
-            "- Load additional fonts with io.Fonts->AddFontXXX() functions.\n"
-            "- The font atlas is built when calling io.Fonts->GetTexDataAsXXXX() or io.Fonts->Build().\n"
-            "- Read FAQ and docs/FONTS.md for more details.\n"
-            "- If you need to add/remove fonts at runtime (e.g. for DPI change), do it before calling NewFrame().");
-}
-
 // Demo helper function to select among default colors. See ShowStyleEditor() for more advanced options.
 // Here we use the simplified Combo() api that packs items into a single literal string.
 // Useful for quick combo boxes where the choices are known locally.
@@ -10808,9 +10775,9 @@ void ImGui::ShowAboutWindow(bool*) {}
 void ImGui::ShowDemoWindow(bool*) {}
 void ImGui::ShowUserGuide() {}
 void ImGui::ShowStyleEditor(ImGuiStyle*) {}
-bool ImGui::ShowStyleSelector(const char* label) { return false; }
-void ImGui::ShowFontSelector(const char* label) {}
+bool ImGui::ShowStyleSelector(const char*) { return false; }
+void ImGui::ShowFontSelector(const char*) {}
 
-#endif
+#endif // #ifndef IMGUI_DISABLE_DEMO_WINDOWS
 
 #endif // #ifndef IMGUI_DISABLE