Fixed old Begin() calling SetNextWindowBgAlpha() with negative values. (#1567, #1568)

ago%!(EXTRA string=7 years) · 5148937d4d
parent 37ee99983f
commit 5148937d4d
1 changed files with 2 additions and 1 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -5018,7 +5018,8 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_first_use,
        ImGui::SetNextWindowSize(size_first_use, ImGuiCond_FirstUseEver);

    // Old API feature: override the window background alpha with a parameter.
-    ImGui::SetNextWindowBgAlpha(bg_alpha_override);
+    if (bg_alpha_override >= 0.0f)
+        ImGui::SetNextWindowBgAlpha(bg_alpha_override);

    return ImGui::Begin(name, p_open, flags);
 }