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Add Skip G-code config block to exclude the config comments from G-code files (#12455)

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Add feature to skip CONFIG_BLOCK in G-code files
This commit is contained in:
Mikhail f. Shiryaev
2026-08-03 20:10:01 +02:00
committed by GitHub
parent 06ef58bad8
commit 7b404596e9
6 changed files with 49 additions and 20 deletions
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37
src/libslic3r/GCode.cpp
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@@ -2884,6 +2884,7 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
DoExport::init_gcode_processor(print.config(), m_processor, m_silent_time_estimator_enabled,
print.get_layered_nozzle_group_result());
const bool is_bbl_printers = print.is_BBL_printer();
const bool skip_config_block = print.config().gcode_skip_config_block;
const WipeTowerType wipe_tower_type = print.wipe_tower_type();
m_calib_config.clear();
// resets analyzer's tracking data
@@ -3059,7 +3060,7 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
// as configuration key / value pairs to be parsable by older versions of
// PrusaSlicer G-code viewer.
{
if (is_bbl_printers) {
if (is_bbl_printers && !skip_config_block) {
file.write("; CONFIG_BLOCK_START\n");
std::string full_config;
append_full_config(print, full_config);
@@ -4086,23 +4087,25 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
GCodeProcessor::ETags::Estimated_Printing_Time_Placeholder)
.c_str());
file.write("\n");
file.write("; CONFIG_BLOCK_START\n");
std::string full_config;
append_full_config(print, full_config);
if (!full_config.empty())
file.write(full_config);
if (!skip_config_block) {
file.write("; CONFIG_BLOCK_START\n");
std::string full_config;
append_full_config(print, full_config);
if (!full_config.empty())
file.write(full_config);
// SoftFever: write compatiple info
int first_layer_bed_temperature = get_bed_temperature(0, true, print.config().curr_bed_type);
file.write_format("; first_layer_bed_temperature = %d\n", first_layer_bed_temperature);
file.write_format("; bed_shape = %s\n", print.full_print_config().opt_serialize("printable_area").c_str());
file.write_format("; first_layer_temperature = %d\n", print.config().nozzle_temperature_initial_layer.get_at(0));
file.write_format("; first_layer_height = %.3f\n", print.config().initial_layer_print_height.value);
//SF TODO
// file.write_format("; variable_layer_height = %d\n", print.ad.adaptive_layer_height ? 1 : 0);
file.write("; CONFIG_BLOCK_END\n\n");
// SoftFever: write compatiple info
int first_layer_bed_temperature = get_bed_temperature(0, true, print.config().curr_bed_type);
file.write_format("; first_layer_bed_temperature = %d\n", first_layer_bed_temperature);
file.write_format("; bed_shape = %s\n", print.full_print_config().opt_serialize("printable_area").c_str());
file.write_format("; first_layer_temperature = %d\n", print.config().nozzle_temperature_initial_layer.get_at(0));
file.write_format("; first_layer_height = %.3f\n", print.config().initial_layer_print_height.value);
//SF TODO
// file.write_format("; variable_layer_height = %d\n", print.ad.adaptive_layer_height ? 1 : 0);
file.write("; CONFIG_BLOCK_END\n\n");
} // !skip_config_block
}
file.write("\n");

2
src/libslic3r/Preset.cpp
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@@ -1404,7 +1404,7 @@ static std::vector<std::string> s_Preset_machine_limits_options {
static std::vector<std::string> s_Preset_printer_options {
"printer_technology",
"printable_area", "extruder_printable_area", "support_parallel_printheads", "parallel_printheads_count", "parallel_printheads_bed_exclude_areas", "bed_exclude_area","bed_custom_texture", "bed_custom_model", "gcode_flavor",
"fan_kickstart", "part_cooling_fan_min_pwm", "fan_speedup_time", "fan_speedup_overhangs",
"gcode_skip_config_block", "fan_kickstart", "part_cooling_fan_min_pwm", "fan_speedup_time", "fan_speedup_overhangs",
"single_extruder_multi_material", "manual_filament_change", "file_start_gcode", "machine_start_gcode", "machine_end_gcode", "before_layer_change_gcode", "printing_by_object_gcode", "layer_change_gcode", "time_lapse_gcode", "wrapping_detection_gcode", "change_filament_gcode", "change_extrusion_role_gcode",
"printer_model", "printer_variant", "printer_extruder_id", "printer_extruder_variant", "extruder_variant_list", "default_nozzle_volume_type",
"printable_height", "extruder_printable_height", "extruder_clearance_radius", "extruder_clearance_height_to_lid", "extruder_clearance_height_to_rod",

11
src/libslic3r/PrintConfig.cpp
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@@ -4259,6 +4259,15 @@ void PrintConfigDef::init_fff_params()
def->readonly = false;
def->set_default_value(new ConfigOptionEnum<GCodeFlavor>(gcfMarlinLegacy));
def = this->add("gcode_skip_config_block", coBool);
def->label = L("Skip G-code config block");
def->tooltip = L("Do not write the CONFIG_BLOCK (slicer configuration key/value pairs) into the G-code file. "
"This can help with printers whose firmware crashes when parsing these comment lines "
"(e.g. Anycubic go-klipper). Note: the G-code file will no longer contain slicer settings, "
"so importing it back into OrcaSlicer will not restore the configuration.");
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionBool(false));
def = this->add("pellet_modded_printer", coBool);
def->label = L("Pellet Modded Printer");
def->tooltip = L("Enable this option if your printer uses pellets instead of filaments.");
@@ -4292,7 +4301,7 @@ void PrintConfigDef::init_fff_params()
"slow down.");
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionBool(0));
//BBS
def = this->add("infill_combination", coBool);
def->label = L("Infill combination");

2
src/libslic3r/PrintConfig.hpp
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@@ -1547,7 +1547,7 @@ PRINT_CONFIG_CLASS_DEFINE(
((ConfigOptionBool, gcode_add_line_number))
((ConfigOptionBool, bbl_bed_temperature_gcode))
((ConfigOptionEnum<GCodeFlavor>, gcode_flavor))
((ConfigOptionBool, gcode_skip_config_block))
((ConfigOptionFloat, time_cost))
((ConfigOptionString, layer_change_gcode))
((ConfigOptionString, time_lapse_gcode))

1
src/slic3r/GUI/Tab.cpp
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@@ -5016,6 +5016,7 @@ void TabPrinter::build_fff()
optgroup->append_single_option_line("printer_structure", "printer_basic_information_advanced#printer-structure");
optgroup->append_single_option_line("gcode_flavor", "printer_basic_information_advanced#g-code-flavor");
optgroup->append_single_option_line("gcode_skip_config_block", "printer_basic_information_advanced#skip-g-code-config-block");
optgroup->append_single_option_line("pellet_modded_printer", "printer_basic_information_advanced#pellet-modded-printer");
optgroup->append_single_option_line("bbl_use_printhost", "printer_basic_information_advanced#use-3rd-party-print-host");
optgroup->append_single_option_line("use_3mf");

16
tests/fff_print/test_print.cpp
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@@ -338,6 +338,22 @@ TEST_CASE("G-code lists the resolved extrusion-width settings", "[Print]")
CHECK(with_first_layer.find("; first layer extrusion width") != std::string::npos);
}
// gcode_skip_config_block suppresses the resolved-settings block while leaving the
// header and executable blocks intact.
TEST_CASE("gcode_skip_config_block omits the resolved-settings comment block", "[Print]")
{
const std::string gcode = slice({ cube(20) }, {
{ "gcode_skip_config_block", true },
{ "gcode_comments", true },
});
CHECK(gcode.find("; CONFIG_BLOCK_START") == std::string::npos);
CHECK(gcode.find("; CONFIG_BLOCK_END") == std::string::npos);
CHECK(gcode.find("; layer_height =") == std::string::npos);
CHECK(gcode.find("; fill_density =") == std::string::npos);
CHECK(gcode.find("; HEADER_BLOCK_START") != std::string::npos);
CHECK(gcode.find("; EXECUTABLE_BLOCK_START") != std::string::npos);
}
// Custom G-code templates substitute placeholders during export.
TEST_CASE("Custom G-code placeholders are substituted", "[Print]")
{