#include #include "libslic3r/libslic3r.h" #include "libslic3r/Print.hpp" #include "libslic3r/Layer.hpp" #include "test_data.hpp" using namespace Slic3r; using namespace Slic3r::Test; SCENARIO("PrintObject: Perimeter generation", "[PrintObject]") { GIVEN("20mm cube and default config") { WHEN("make_perimeters() is called") { Slic3r::Print print; Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, { { "fill_density", 0 } }); const PrintObject &object = *print.objects().front(); THEN("67 layers exist in the model") { REQUIRE(object.layers().size() == 66); } THEN("Every layer in region 0 has 1 island of perimeters") { for (const Layer *layer : object.layers()) REQUIRE(layer->regions().front()->perimeters.entities.size() == 1); } THEN("Every layer in region 0 has 3 paths in its perimeters list.") { for (const Layer *layer : object.layers()) REQUIRE(layer->regions().front()->perimeters.items_count() == 3); } } } } SCENARIO("Print: Skirt generation", "[Print]") { GIVEN("20mm cube and default config") { WHEN("Skirts is set to 2 loops") { Slic3r::Print print; Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, { { "skirt_height", 1 }, { "skirt_distance", 1 }, { "skirts", 2 } }); THEN("Skirt Extrusion collection has 2 loops in it") { REQUIRE(print.skirt().items_count() == 2); REQUIRE(print.skirt().flatten().entities.size() == 2); } } } } SCENARIO("Print: Changing number of solid surfaces does not cause all surfaces to become internal.", "[Print]") { GIVEN("sliced 20mm cube and config with top_solid_surfaces = 2 and bottom_solid_surfaces = 1") { Slic3r::DynamicPrintConfig config = Slic3r::DynamicPrintConfig::full_print_config(); config.set_deserialize_strict({ { "top_solid_layers", 2 }, { "bottom_solid_layers", 1 }, { "layer_height", 0.25 }, // get a known number of layers { "first_layer_height", 0.25 } }); Slic3r::Print print; Slic3r::Model model; Slic3r::Test::init_print({TestMesh::cube_20x20x20}, print, model, config); // Precondition: Ensure that the model has 2 solid top layers (39, 38) // and one solid bottom layer (0). auto test_is_solid_infill = [&print](size_t obj_id, size_t layer_id) { const Layer &layer = *print.objects()[obj_id]->get_layer((int)layer_id); // iterate over all of the regions in the layer for (const LayerRegion *region : layer.regions()) { // for each region, iterate over the fill surfaces for (const Surface &surface : region->fill_surfaces.surfaces) CHECK(surface.is_solid()); } }; print.process(); test_is_solid_infill(0, 0); // should be solid test_is_solid_infill(0, 79); // should be solid test_is_solid_infill(0, 78); // should be solid WHEN("Model is re-sliced with top_solid_layers == 3") { config.set("top_solid_layers", 3); print.apply(model, config); print.process(); THEN("Print object does not have 0 solid bottom layers.") { test_is_solid_infill(0, 0); } AND_THEN("Print object has 3 top solid layers") { test_is_solid_infill(0, 79); test_is_solid_infill(0, 78); test_is_solid_infill(0, 77); } } } } SCENARIO("Print: Brim generation", "[Print]") { GIVEN("20mm cube and default config, 1mm first layer width") { WHEN("Brim is set to 3mm") { Slic3r::Print print; Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, { { "first_layer_extrusion_width", 1 }, { "brim_width", 3 } }); THEN("Brim Extrusion collection has 3 loops in it") { REQUIRE(print.brim().items_count() == 3); } } WHEN("Brim is set to 6mm") { Slic3r::Print print; Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, { { "first_layer_extrusion_width", 1 }, { "brim_width", 6 } }); THEN("Brim Extrusion collection has 6 loops in it") { REQUIRE(print.brim().items_count() == 6); } } WHEN("Brim is set to 6mm, extrusion width 0.5mm") { Slic3r::Print print; Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, { { "first_layer_extrusion_width", 1 }, { "brim_width", 6 }, { "first_layer_extrusion_width", 0.5 } }); print.process(); THEN("Brim Extrusion collection has 12 loops in it") { REQUIRE(print.brim().items_count() == 14); } } } } SCENARIO("Ported from Perl", "[Print]") { GIVEN("20mm cube") { WHEN("Print center is set to 100x100 (test framework default)") { auto config = Slic3r::DynamicPrintConfig::full_print_config(); std::string gcode = Slic3r::Test::slice({ TestMesh::cube_20x20x20 }, config); GCodeReader parser; Points extrusion_points; parser.parse_buffer(gcode, [&extrusion_points](Slic3r::GCodeReader &self, const Slic3r::GCodeReader::GCodeLine &line) { if (line.cmd_is("G1") && line.extruding(self) && line.dist_XY(self) > 0) extrusion_points.emplace_back(line.new_XY_scaled(self)); }); Vec2d center = unscaled(BoundingBox(extrusion_points).center()); THEN("print is centered around print_center") { REQUIRE(is_approx(center.x(), 100.)); REQUIRE(is_approx(center.y(), 100.)); } } } GIVEN("Model with multiple objects") { auto config = Slic3r::DynamicPrintConfig::full_print_config_with({ { "nozzle_diameter", { 0.4, 0.4, 0.4, 0.4 } } }); Print print; Model model; Slic3r::Test::init_print({ TestMesh::cube_20x20x20 }, print, model, config); // User sets a per-region option, also testing a deep copy of Model. Model model2(model); model2.objects.front()->config.set_deserialize_strict("fill_density", "100%"); WHEN("fill_density overridden") { print.apply(model2, config); THEN("region config inherits model object config") { REQUIRE(print.get_print_region(0).config().fill_density == 100); } } model2.objects.front()->config.erase("fill_density"); WHEN("fill_density resetted") { print.apply(model2, config); THEN("region config is resetted") { REQUIRE(print.get_print_region(0).config().fill_density == 20); } } WHEN("extruder is assigned") { model2.objects.front()->config.set("extruder", 3); model2.objects.front()->config.set("perimeter_extruder", 2); print.apply(model2, config); THEN("extruder setting is correctly expanded") { REQUIRE(print.get_print_region(0).config().infill_extruder == 3); } THEN("extruder setting does not override explicitely specified extruders") { REQUIRE(print.get_print_region(0).config().perimeter_extruder == 2); } } } }