mirror of
https://github.com/OrcaSlicer/OrcaSlicer.git
synced 2026-10-05 06:41:10 +00:00
Hanif Koh
59deff0694
Covers src/slic3r/Utils, src/slic3r/plugin, src/slic3r/Config, src/libvgcode, src/dev-utils, src/OrcaSlicer.cpp and tests/, the directories left after src/slic3r/GUI and src/libslic3r. Generated with clang-tidy misc-include-cleaner. libvgcode's own headers are included by relative path as in the rest of that library, and Catch2 and pybind11 with angle brackets as elsewhere in the repo.
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
#include <catch2/catch_all.hpp>
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#include "libslic3r/TriangleMesh.hpp"
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#include "libslic3r/Polygon.hpp"
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#include "libslic3r/BoundingBox.hpp"
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#include "libslic3r/Point.hpp"
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#include <catch2/catch_test_macros.hpp>
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#include "libslic3r/Model.hpp"
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using namespace Slic3r;
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// convex_hull_2d does not clip geometry below the bed, so these cases avoid
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// sinking transforms.
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TEST_CASE("A part's 2D convex hull is its footprint projected onto the bed", "[Model]")
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{
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Model model;
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ModelObject* object = model.add_object();
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// Keep the cube's raw coordinates ([0,20] on every axis): the default
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// add_volume re-centers the geometry, which would move the footprint.
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object->add_volume(make_cube(20, 20, 20), ModelVolumeType::MODEL_PART, false);
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SECTION("identity transform yields the 20 mm square") {
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const Polygon hull = object->convex_hull_2d(Geometry::Transformation{}.get_matrix());
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const BoundingBox bb = hull.bounding_box();
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CHECK(hull.size() == 4);
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CHECK(bb.min.x() == scaled(0.));
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CHECK(bb.min.y() == scaled(0.));
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CHECK(bb.max.x() == scaled(20.));
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CHECK(bb.max.y() == scaled(20.));
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}
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SECTION("scaling and offset move and grow the footprint") {
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Geometry::Transformation t;
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t.set_scaling_factor({2, 2, 2}); // cube now spans [0,40]
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t.set_offset({10, 5, 0}); // then shift +10 in X, +5 in Y
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const Polygon hull = object->convex_hull_2d(t.get_matrix());
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const BoundingBox bb = hull.bounding_box();
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CHECK(hull.size() == 4);
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CHECK(bb.min.x() == scaled(10.));
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CHECK(bb.min.y() == scaled(5.));
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CHECK(bb.max.x() == scaled(50.));
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CHECK(bb.max.y() == scaled(45.));
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}
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}
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