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Open .gcode files with their own settings, as .gcode.3mf files are (#16463)

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This commit is contained in:
SoftFever
2026-10-14 14:13:58 +08:00
committed by GitHub
parent 46b3871f8d
commit e77ba5f672
8 changed files with 473 additions and 64 deletions
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tests/fff_print/test_gcode.cpp
+44
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@@ -3,17 +3,25 @@
#include <catch2/catch_message.hpp>
#include "libslic3r/BoundingBox.hpp"
#include "libslic3r/Config.hpp"
#include "libslic3r/Model.hpp"
#include "libslic3r/ModelArrange.hpp"
#include "libslic3r/Print.hpp"
#include "libslic3r/PrintConfig.hpp"
#include "libslic3r/Preset.hpp"
#include "libslic3r/PresetBundle.hpp"
#include "test_helpers.hpp"
#include "test_utils.hpp"
#include "libslic3r/TriangleMesh.hpp"
#include "libslic3r/Point.hpp"
#include <fstream>
#include <ios>
#include <string>
#include <vector>
#include <catch2/matchers/catch_matchers.hpp>
#include <catch2/matchers/catch_matchers_floating_point.hpp>
using namespace Slic3r;
@@ -41,3 +49,39 @@ TEST_CASE("Klipper object labels name each copy without the characters Klipper c
CHECK(gcode.find("EXCLUDE_OBJECT_START NAME=" + instance_label + "\n") != std::string::npos);
}
}
TEST_CASE("An exported G-code's settings load back as the settings it was sliced with", "[GCode]")
{
// Two filaments, so the config block carries the flush matrix already multiplied by flush_multiplier.
const DynamicPrintConfig config = Test::multifilament_config(2, {
{ "flush_multiplier", "0.5" },
{ "printable_area", "0x0,250x0,250x210,0x210" },
{ "printable_height", "180" },
});
Print print;
Model model;
Test::init_print(std::vector<TriangleMesh>{ Test::cube(20.) }, print, model, config, nullptr, false);
ScopedTemporaryFile file(".gcode");
{
std::ofstream os(file.string(), std::ios::binary);
os << Test::gcode(print);
REQUIRE(os.good());
}
PresetBundle bundle;
// The config block leaves prime_volume_mode out, so the receiver's choice has to survive the load.
bundle.project_config.option<ConfigOptionEnum<PrimeVolumeMode>>("prime_volume_mode")->value = PrimeVolumeMode::pvmFast;
ConfigSubstitutions substitutions;
bundle.load_config_model(file.string(), bundle.config_from_gcode(file.string(), ForwardCompatibilitySubstitutionRule::Enable, substitutions));
const DynamicPrintConfig &printer = bundle.printers.get_edited_preset().config;
CHECK(printer.opt_serialize("printable_area") == config.opt_serialize("printable_area"));
CHECK_THAT(printer.opt_float("printable_height"), Catch::Matchers::WithinAbs(180., 1e-6));
// The purge between the two filaments is what the slice used: 280 at a 0.5 multiplier.
const std::vector<double> &matrix = bundle.project_config.option<ConfigOptionFloats>("flush_volumes_matrix")->values;
const std::vector<double> &multiplier = bundle.project_config.option<ConfigOptionFloats>("flush_multiplier")->values;
REQUIRE(matrix.size() == 4);
REQUIRE(multiplier.size() == 1);
CHECK_THAT(matrix[1] * multiplier[0], Catch::Matchers::WithinAbs(140., 1e-6));
CHECK(bundle.project_config.option<ConfigOptionEnum<PrimeVolumeMode>>("prime_volume_mode")->value == PrimeVolumeMode::pvmFast);
}