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https://github.com/SoftFever/OrcaSlicer.git
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98a71a557b
Ported extension of ExtrusionEntityCollection::flatten() to disable flattening of no_sort() collections.
85 lines
3.4 KiB
C++
85 lines
3.4 KiB
C++
#include <catch2/catch.hpp>
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#include <cstdlib>
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#include "libslic3r/ExtrusionEntityCollection.hpp"
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#include "libslic3r/ExtrusionEntity.hpp"
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#include "libslic3r/Point.hpp"
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#include "libslic3r/libslic3r.h"
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#include "test_data.hpp"
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using namespace Slic3r;
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static inline Slic3r::Point random_point(float LO=-50, float HI=50)
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{
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Vec2f pt = Vec2f(LO, LO) + (Vec2d(rand(), rand()) * (HI-LO) / RAND_MAX).cast<float>();
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return pt.cast<coord_t>();
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}
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// build a sample extrusion entity collection with random start and end points.
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static Slic3r::ExtrusionPath random_path(size_t length = 20, float LO = -50, float HI = 50)
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{
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ExtrusionPath t {erPerimeter, 1.0, 1.0, 1.0};
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for (size_t j = 0; j < length; ++ j)
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t.polyline.append(random_point(LO, HI));
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return t;
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}
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static Slic3r::ExtrusionPaths random_paths(size_t count = 10, size_t length = 20, float LO = -50, float HI = 50)
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{
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Slic3r::ExtrusionPaths p;
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for (size_t i = 0; i < count; ++ i)
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p.push_back(random_path(length, LO, HI));
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return p;
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}
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SCENARIO("ExtrusionEntityCollection: Polygon flattening", "[ExtrusionEntity]") {
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srand(0xDEADBEEF); // consistent seed for test reproducibility.
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// Generate one specific random path set and save it for later comparison
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Slic3r::ExtrusionPaths nosort_path_set = random_paths();
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Slic3r::ExtrusionEntityCollection sub_nosort;
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sub_nosort.append(nosort_path_set);
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sub_nosort.no_sort = true;
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Slic3r::ExtrusionEntityCollection sub_sort;
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sub_sort.no_sort = false;
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sub_sort.append(random_paths());
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GIVEN("A Extrusion Entity Collection with a child that has one child that is marked as no-sort") {
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Slic3r::ExtrusionEntityCollection sample;
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Slic3r::ExtrusionEntityCollection output;
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sample.append(sub_sort);
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sample.append(sub_nosort);
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sample.append(sub_sort);
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WHEN("The EEC is flattened with default options (preserve_order=false)") {
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output = sample.flatten();
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THEN("The output EEC contains no Extrusion Entity Collections") {
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CHECK(std::count_if(output.entities.cbegin(), output.entities.cend(), [=](const ExtrusionEntity* e) {return e->is_collection();}) == 0);
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}
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}
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WHEN("The EEC is flattened with preservation (preserve_order=true)") {
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output = sample.flatten(true);
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THEN("The output EECs contains one EEC.") {
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CHECK(std::count_if(output.entities.cbegin(), output.entities.cend(), [=](const ExtrusionEntity* e) {return e->is_collection();}) == 1);
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}
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AND_THEN("The ordered EEC contains the same order of elements than the original") {
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// find the entity in the collection
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for (auto e : output.entities)
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if (e->is_collection()) {
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ExtrusionEntityCollection *temp = dynamic_cast<ExtrusionEntityCollection*>(e);
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// check each Extrusion path against nosort_path_set to see if the first and last match the same
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CHECK(nosort_path_set.size() == temp->entities.size());
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for (size_t i = 0; i < nosort_path_set.size(); ++ i) {
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CHECK(temp->entities[i]->first_point() == nosort_path_set[i].first_point());
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CHECK(temp->entities[i]->last_point() == nosort_path_set[i].last_point());
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}
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}
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}
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}
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}
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}
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