From d36358fc3b9fada3dcf120838d4e9aae725da89d Mon Sep 17 00:00:00 2001
From: Joshua Rogers <MegaManSec@users.noreply.github.com>
Date: Mon, 21 Jul 2025 17:57:36 +0200
Subject: [PATCH] chore: ensure dashes have a positive normalized length.

prior checks of normalizedLength only ensure that at least one dash is valid.
this ensures infinite loops cannot happen.
---
 src/shapes/paint/dash_path.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/shapes/paint/dash_path.cpp b/src/shapes/paint/dash_path.cpp
index ffe744464..5332bd970 100644
--- a/src/shapes/paint/dash_path.cpp
+++ b/src/shapes/paint/dash_path.cpp
@@ -71,6 +71,11 @@ ShapePaintPath* PathDasher::applyDash(const RawPath* source,
             {
                 const Dash* dash = dashes[dashIndex++ % dashes.size()];
                 float dashLength = dash->normalizedLength(contour->length());
+                if (dashLength <= 0.0f)
+                {
+                    dashIndex++;
+                    continue;
+                }
                 if (dashLength > contour->length())
                 {
                     dashLength = contour->length();
@@ -172,4 +177,4 @@ void DashPath::invalidateDash()
         stroke->parent()->addDirt(ComponentDirt::Paint);
         stroke->invalidateRendering();
     }
-}
\ No newline at end of file
+}