Support zero-sized display, now sets default as -1,-1 and assert if display size is negative.

ago%!(EXTRA string=11 years) · ac29859f70
parent a3af51fd4e
commit ac29859f70
1 changed files with 2 additions and 1 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -371,6 +371,7 @@ ImGuiStyle::ImGuiStyle()
 ImGuiIO::ImGuiIO()
 {
    memset(this, 0, sizeof(*this));
+    DisplaySize = ImVec2(-1.0f, -1.0f);
    DeltaTime = 1.0f/60.0f;
    IniSavingRate = 5.0f;
    IniFilename = "imgui.ini";
@ -1411,7 +1412,7 @@ void ImGui::NewFrame()

    // Check user inputs
    IM_ASSERT(g.IO.DeltaTime > 0.0f);
-    IM_ASSERT(g.IO.DisplaySize.x > 0.0f && g.IO.DisplaySize.y > 0.0f);
+    IM_ASSERT(g.IO.DisplaySize.x >= 0.0f && g.IO.DisplaySize.y >= 0.0f);
    IM_ASSERT(g.IO.RenderDrawListsFn != NULL);  // Must be implemented

    if (!g.Initialized)