From c9a2cb77535f4db42a6b2d72d63e55732e5ce8df Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Thu, 5 Jun 2025 13:27:27 +0200
Subject: [PATCH] FIX: Fix missing diff/intersection/etc. declaration
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/run/build/BambuStudio/src/libslic3r/PrintApply.cpp:313:28: error: ‘diff’ was not declared in this scope
  313 |             Polygons res = diff(printable_poly, poly);
      |                            ^~~~
/run/build/BambuStudio/src/libslic3r/PrintApply.cpp:317:39: error: ‘intersection’ was not declared in this scope; did you mean ‘Slic3r::line_alg::intersection’?
  317 |         Polygons all_extruder_polys = intersection({printable_poly}, extruder_polys);
      |                                       ^~~~~~~~~~~~
      |                                       Slic3r::line_alg::intersection
In file included from /run/build/BambuStudio/src/libslic3r/Polygon.hpp:7,
                 from /run/build/BambuStudio/src/libslic3r/BoundingBox.hpp:7,
                 from /run/build/BambuStudio/src/libslic3r/Geometry.hpp:5,
                 from /run/build/BambuStudio/src/libslic3r/Model.hpp:6:
/run/build/BambuStudio/src/libslic3r/Line.hpp:123:24: note: ‘Slic3r::line_alg::intersection’ declared here
  123 | template<class L> bool intersection(const L &l1, const L &l2, Vec<Dim<L>, Scalar<L>> *intersection_pt)
      |                        ^~~~~~~~~~~~
/run/build/BambuStudio/src/libslic3r/PrintApply.cpp: In lambda function:
/run/build/BambuStudio/src/libslic3r/PrintApply.cpp:323:22: error: ‘intersection’ is not captured
  323 |                 if (!intersection(poly, contours[i]).empty()) { result.insert(static_cast<int>(i)); }
      |                      ^~~~~~~~~~~~

(cherry picked from commit 00f4bbef9bcab1d7bb15ccfaf7bb4d3208b4bd12)
---
 src/libslic3r/PrintApply.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/PrintApply.cpp b/src/libslic3r/PrintApply.cpp
index 5ad7e2ccde..c7fb3bf0fa 100644
--- a/src/libslic3r/PrintApply.cpp
+++ b/src/libslic3r/PrintApply.cpp
@@ -1,3 +1,4 @@
+#include "ClipperUtils.hpp"
 #include "Model.hpp"
 #include "Print.hpp"