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Fix model initialization without a wx application (#15866)

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Guard the smooth-normals preference read when CLI thumbnail generation initializes geometry without a wx application. Use the existing flat-normal path in that case and preserve GUI preferences.
This commit is contained in:
Chris Bennight
2026-09-27 18:53:11 +03:00
committed by GitHub
parent bd65cce3f4
commit ea471dc82d
1 changed files with 3 additions and 2 deletions
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src/slic3r/GUI/GLModel.cpp
+3 -2
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@@ -456,8 +456,9 @@ void GLModel::init_from(const indexed_triangle_set& its)
data.reserve_vertices(3 * its.indices.size());
data.reserve_indices(3 * its.indices.size());
// Read user preference: smooth normals enabled
const bool smooth_normals_enabled = wxGetApp().app_config != nullptr && wxGetApp().app_config->get_bool(SETTING_OPENGL_PHONG_SMOOTH_NORMALS);
// CLI thumbnail generation can initialize models without a wx application.
const bool smooth_normals_enabled = wxApp::GetInstance() != nullptr && wxGetApp().app_config != nullptr &&
wxGetApp().app_config->get_bool(SETTING_OPENGL_PHONG_SMOOTH_NORMALS);
if (smooth_normals_enabled) {
// Use per-corner smooth normals (via IGL)