GUI: fix possible division by zero

2023-06-02 14:06:25 -05:00 · 2023-06-02 14:06:25 -05:00 · 8c10c7ed5d
parent 827a0074ba
commit 8c10c7ed5d
1 changed files with 6 additions and 1 deletions
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@ -6209,7 +6209,12 @@ bool FurnaceGUI::init() {
  // special consideration for Wayland
  if (settings.dpiScale<0.5f) {
    if (strcmp(videoBackend,"wayland")==0) {
-      dpiScale=(double)canvasW/(double)scrW;
+      if (scrW<1) {
+        logW("screen width is zero!\n");
+        dpiScale=1.0;
+      } else {
+        dpiScale=(double)canvasW/(double)scrW;
+      }
    }
  }