3DPrinting/PrusaSlicer-NonPlainar
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WIP to G-code export parallelization through pipelining:

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New class GCodeOutputStream as a G-code consumer.
In the following steps the GCodeOutputStream will be pipelined with
GCodeProcessor.
This commit is contained in:
Vojtech Bubnik 2021-09-07 16:23:43 +02:00
parent 32733b7db9
commit b5a007a683
2 changed files with 107 additions and 93 deletions
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152
src/libslic3r/GCode.cpp
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@ -744,27 +744,27 @@ void GCode::do_export(Print* print, const char* path, GCodeProcessor::Result* re
std::string path_tmp(path); std::string path_tmp(path);
path_tmp += ".tmp"; path_tmp += ".tmp";
FILE *file = boost::nowide::fopen(path_tmp.c_str(), "wb"); GCodeOutputStream file(boost::nowide::fopen(path_tmp.c_str(), "wb"));
if (file == nullptr) if (! file.is_open())
throw Slic3r::RuntimeError(std::string("G-code export to ") + path + " failed.\nCannot open the file for writing.\n"); throw Slic3r::RuntimeError(std::string("G-code export to ") + path + " failed.\nCannot open the file for writing.\n");
try { try {
m_placeholder_parser_failed_templates.clear(); m_placeholder_parser_failed_templates.clear();
this->_do_export(*print, file, thumbnail_cb); this->_do_export(*print, file, thumbnail_cb);
fflush(file); file.flush();
if (ferror(file)) { if (file.is_error()) {
fclose(file); file.close();
boost::nowide::remove(path_tmp.c_str()); boost::nowide::remove(path_tmp.c_str());
throw Slic3r::RuntimeError(std::string("G-code export to ") + path + " failed\nIs the disk full?\n"); throw Slic3r::RuntimeError(std::string("G-code export to ") + path + " failed\nIs the disk full?\n");
} }
} catch (std::exception & /* ex */) { } catch (std::exception & /* ex */) {
// Rethrow on any exception. std::runtime_exception and CanceledException are expected to be thrown. // Rethrow on any exception. std::runtime_exception and CanceledException are expected to be thrown.
// Close and remove the file. // Close and remove the file.
fclose(file); file.close();
boost::nowide::remove(path_tmp.c_str()); boost::nowide::remove(path_tmp.c_str());
throw; throw;
} }
fclose(file); file.close();
if (! m_placeholder_parser_failed_templates.empty()) { if (! m_placeholder_parser_failed_templates.empty()) {
// G-code export proceeded, but some of the PlaceholderParser substitutions failed. // G-code export proceeded, but some of the PlaceholderParser substitutions failed.
@ -1046,7 +1046,7 @@ std::vector<const PrintInstance*> sort_object_instances_by_model_order(const Pri
return instances; return instances;
} }
void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thumbnail_cb) void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGeneratorCallback thumbnail_cb)
{ {
PROFILE_FUNC(); PROFILE_FUNC();
@ -1111,10 +1111,10 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
#endif /* HAS_PRESSURE_EQUALIZER */ #endif /* HAS_PRESSURE_EQUALIZER */
// Write information on the generator. // Write information on the generator.
_write_format(file, "; %s\n\n", Slic3r::header_slic3r_generated().c_str()); file.write_format("; %s\n\n", Slic3r::header_slic3r_generated().c_str());
DoExport::export_thumbnails_to_file(thumbnail_cb, print.full_print_config().option<ConfigOptionPoints>("thumbnails")->values, DoExport::export_thumbnails_to_file(thumbnail_cb, print.full_print_config().option<ConfigOptionPoints>("thumbnails")->values,
[this, file](const char* sz) { this->_write(file, sz); }, [&file](const char* sz) { file.write(sz); },
[&print]() { print.throw_if_canceled(); }); [&print]() { print.throw_if_canceled(); });
// Write notes (content of the Print Settings tab -> Notes) // Write notes (content of the Print Settings tab -> Notes)
@ -1125,10 +1125,10 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
// Remove the trailing '\r' from the '\r\n' sequence. // Remove the trailing '\r' from the '\r\n' sequence.
if (! line.empty() && line.back() == '\r') if (! line.empty() && line.back() == '\r')
line.pop_back(); line.pop_back();
_write_format(file, "; %s\n", line.c_str()); file.write_format("; %s\n", line.c_str());
} }
if (! lines.empty()) if (! lines.empty())
_write(file, "\n"); file.write("\n");
} }
print.throw_if_canceled(); print.throw_if_canceled();
@ -1139,22 +1139,22 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
const double first_layer_height = print.config().first_layer_height.value; const double first_layer_height = print.config().first_layer_height.value;
for (size_t region_id = 0; region_id < print.num_print_regions(); ++ region_id) { for (size_t region_id = 0; region_id < print.num_print_regions(); ++ region_id) {
const PrintRegion &region = print.get_print_region(region_id); const PrintRegion &region = print.get_print_region(region_id);
_write_format(file, "; external perimeters extrusion width = %.2fmm\n", region.flow(*first_object, frExternalPerimeter, layer_height).width()); file.write_format("; external perimeters extrusion width = %.2fmm\n", region.flow(*first_object, frExternalPerimeter, layer_height).width());
_write_format(file, "; perimeters extrusion width = %.2fmm\n", region.flow(*first_object, frPerimeter, layer_height).width()); file.write_format("; perimeters extrusion width = %.2fmm\n", region.flow(*first_object, frPerimeter, layer_height).width());
_write_format(file, "; infill extrusion width = %.2fmm\n", region.flow(*first_object, frInfill, layer_height).width()); file.write_format("; infill extrusion width = %.2fmm\n", region.flow(*first_object, frInfill, layer_height).width());
_write_format(file, "; solid infill extrusion width = %.2fmm\n", region.flow(*first_object, frSolidInfill, layer_height).width()); file.write_format("; solid infill extrusion width = %.2fmm\n", region.flow(*first_object, frSolidInfill, layer_height).width());
_write_format(file, "; top infill extrusion width = %.2fmm\n", region.flow(*first_object, frTopSolidInfill, layer_height).width()); file.write_format("; top infill extrusion width = %.2fmm\n", region.flow(*first_object, frTopSolidInfill, layer_height).width());
if (print.has_support_material()) if (print.has_support_material())
_write_format(file, "; support material extrusion width = %.2fmm\n", support_material_flow(first_object).width()); file.write_format("; support material extrusion width = %.2fmm\n", support_material_flow(first_object).width());
if (print.config().first_layer_extrusion_width.value > 0) if (print.config().first_layer_extrusion_width.value > 0)
_write_format(file, "; first layer extrusion width = %.2fmm\n", region.flow(*first_object, frPerimeter, first_layer_height, true).width()); file.write_format("; first layer extrusion width = %.2fmm\n", region.flow(*first_object, frPerimeter, first_layer_height, true).width());
_write_format(file, "\n"); file.write_format("\n");
} }
print.throw_if_canceled(); print.throw_if_canceled();
// adds tags for time estimators // adds tags for time estimators
if (print.config().remaining_times.value) if (print.config().remaining_times.value)
_write_format(file, ";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::First_Line_M73_Placeholder).c_str()); file.write_format(";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::First_Line_M73_Placeholder).c_str());
// Prepare the helper object for replacing placeholders in custom G-code and output filename. // Prepare the helper object for replacing placeholders in custom G-code and output filename.
m_placeholder_parser = print.placeholder_parser(); m_placeholder_parser = print.placeholder_parser();
@ -1218,7 +1218,7 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
// Disable fan. // Disable fan.
if (! print.config().cooling.get_at(initial_extruder_id) || print.config().disable_fan_first_layers.get_at(initial_extruder_id)) if (! print.config().cooling.get_at(initial_extruder_id) || print.config().disable_fan_first_layers.get_at(initial_extruder_id))
_write(file, m_writer.set_fan(0, true)); file.write(m_writer.set_fan(0, true));
// Let the start-up script prime the 1st printing tool. // Let the start-up script prime the 1st printing tool.
m_placeholder_parser.set("initial_tool", initial_extruder_id); m_placeholder_parser.set("initial_tool", initial_extruder_id);
@ -1261,10 +1261,10 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
this->_print_first_layer_extruder_temperatures(file, print, start_gcode, initial_extruder_id, false); this->_print_first_layer_extruder_temperatures(file, print, start_gcode, initial_extruder_id, false);
// adds tag for processor // adds tag for processor
_write_format(file, ";%s%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Role).c_str(), ExtrusionEntity::role_to_string(erCustom).c_str()); file.write_format(";%s%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Role).c_str(), ExtrusionEntity::role_to_string(erCustom).c_str());
// Write the custom start G-code // Write the custom start G-code
_writeln(file, start_gcode); file.writeln(start_gcode);
// Process filament-specific gcode. // Process filament-specific gcode.
/* if (has_wipe_tower) { /* if (has_wipe_tower) {
@ -1272,14 +1272,14 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
} else { } else {
DynamicConfig config; DynamicConfig config;
config.set_key_value("filament_extruder_id", new ConfigOptionInt(int(initial_extruder_id))); config.set_key_value("filament_extruder_id", new ConfigOptionInt(int(initial_extruder_id)));
_writeln(file, this->placeholder_parser_process("start_filament_gcode", print.config().start_filament_gcode.values[initial_extruder_id], initial_extruder_id, &config)); file.writeln(this->placeholder_parser_process("start_filament_gcode", print.config().start_filament_gcode.values[initial_extruder_id], initial_extruder_id, &config));
} }
*/ */
this->_print_first_layer_extruder_temperatures(file, print, start_gcode, initial_extruder_id, true); this->_print_first_layer_extruder_temperatures(file, print, start_gcode, initial_extruder_id, true);
print.throw_if_canceled(); print.throw_if_canceled();
// Set other general things. // Set other general things.
_write(file, this->preamble()); file.write(this->preamble());
// Calculate wiping points if needed // Calculate wiping points if needed
DoExport::init_ooze_prevention(print, m_ooze_prevention); DoExport::init_ooze_prevention(print, m_ooze_prevention);
@ -1291,7 +1291,7 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
if (! (has_wipe_tower && print.config().single_extruder_multi_material_priming)) { if (! (has_wipe_tower && print.config().single_extruder_multi_material_priming)) {
// Set initial extruder only after custom start G-code. // Set initial extruder only after custom start G-code.
// Ugly hack: Do not set the initial extruder if the extruder is primed using the MMU priming towers at the edge of the print bed. // Ugly hack: Do not set the initial extruder if the extruder is primed using the MMU priming towers at the edge of the print bed.
_write(file, this->set_extruder(initial_extruder_id, 0.)); file.write(this->set_extruder(initial_extruder_id, 0.));
} }
// Do all objects for each layer. // Do all objects for each layer.
@ -1317,8 +1317,8 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
// This happens before Z goes down to layer 0 again, so that no collision happens hopefully. // This happens before Z goes down to layer 0 again, so that no collision happens hopefully.
m_enable_cooling_markers = false; // we're not filtering these moves through CoolingBuffer m_enable_cooling_markers = false; // we're not filtering these moves through CoolingBuffer
m_avoid_crossing_perimeters.use_external_mp_once(); m_avoid_crossing_perimeters.use_external_mp_once();
_write(file, this->retract()); file.write(this->retract());
_write(file, this->travel_to(Point(0, 0), erNone, "move to origin position for next object")); file.write(this->travel_to(Point(0, 0), erNone, "move to origin position for next object"));
m_enable_cooling_markers = true; m_enable_cooling_markers = true;
// Disable motion planner when traveling to first object point. // Disable motion planner when traveling to first object point.
m_avoid_crossing_perimeters.disable_once(); m_avoid_crossing_perimeters.disable_once();
@ -1330,7 +1330,7 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
// Set first layer bed and extruder temperatures, don't wait for it to reach the temperature. // Set first layer bed and extruder temperatures, don't wait for it to reach the temperature.
this->_print_first_layer_bed_temperature(file, print, between_objects_gcode, initial_extruder_id, false); this->_print_first_layer_bed_temperature(file, print, between_objects_gcode, initial_extruder_id, false);
this->_print_first_layer_extruder_temperatures(file, print, between_objects_gcode, initial_extruder_id, false); this->_print_first_layer_extruder_temperatures(file, print, between_objects_gcode, initial_extruder_id, false);
_writeln(file, between_objects_gcode); file.writeln(between_objects_gcode);
} }
// Reset the cooling buffer internal state (the current position, feed rate, accelerations). // Reset the cooling buffer internal state (the current position, feed rate, accelerations).
m_cooling_buffer->reset(); m_cooling_buffer->reset();
@ -1346,7 +1346,7 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
} }
#ifdef HAS_PRESSURE_EQUALIZER #ifdef HAS_PRESSURE_EQUALIZER
if (m_pressure_equalizer) if (m_pressure_equalizer)
_write(file, m_pressure_equalizer->process("", true)); file.write(m_pressure_equalizer->process("", true));
#endif /* HAS_PRESSURE_EQUALIZER */ #endif /* HAS_PRESSURE_EQUALIZER */
++ finished_objects; ++ finished_objects;
// Flag indicating whether the nozzle temperature changes from 1st to 2nd layer were performed. // Flag indicating whether the nozzle temperature changes from 1st to 2nd layer were performed.
@ -1361,9 +1361,9 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
// Prusa Multi-Material wipe tower. // Prusa Multi-Material wipe tower.
if (has_wipe_tower && ! layers_to_print.empty()) { if (has_wipe_tower && ! layers_to_print.empty()) {
m_wipe_tower.reset(new WipeTowerIntegration(print.config(), *print.wipe_tower_data().priming.get(), print.wipe_tower_data().tool_changes, *print.wipe_tower_data().final_purge.get())); m_wipe_tower.reset(new WipeTowerIntegration(print.config(), *print.wipe_tower_data().priming.get(), print.wipe_tower_data().tool_changes, *print.wipe_tower_data().final_purge.get()));
_write(file, m_writer.travel_to_z(first_layer_height + m_config.z_offset.value, "Move to the first layer height")); file.write(m_writer.travel_to_z(first_layer_height + m_config.z_offset.value, "Move to the first layer height"));
if (print.config().single_extruder_multi_material_priming) { if (print.config().single_extruder_multi_material_priming) {
_write(file, m_wipe_tower->prime(*this)); file.write(m_wipe_tower->prime(*this));
// Verify, whether the print overaps the priming extrusions. // Verify, whether the print overaps the priming extrusions.
BoundingBoxf bbox_print(get_print_extrusions_extents(print)); BoundingBoxf bbox_print(get_print_extrusions_extents(print));
coordf_t twolayers_printz = ((layers_to_print.size() == 1) ? layers_to_print.front() : layers_to_print[1]).first + EPSILON; coordf_t twolayers_printz = ((layers_to_print.size() == 1) ? layers_to_print.front() : layers_to_print[1]).first + EPSILON;
@ -1375,15 +1375,15 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
bool overlap = bbox_prime.overlap(bbox_print); bool overlap = bbox_prime.overlap(bbox_print);
if (print.config().gcode_flavor == gcfMarlinLegacy || print.config().gcode_flavor == gcfMarlinFirmware) { if (print.config().gcode_flavor == gcfMarlinLegacy || print.config().gcode_flavor == gcfMarlinFirmware) {
_write(file, this->retract()); file.write(this->retract());
_write(file, "M300 S800 P500\n"); // Beep for 500ms, tone 800Hz. file.write("M300 S800 P500\n"); // Beep for 500ms, tone 800Hz.
if (overlap) { if (overlap) {
// Wait for the user to remove the priming extrusions. // Wait for the user to remove the priming extrusions.
_write(file, "M1 Remove priming towers and click button.\n"); file.write("M1 Remove priming towers and click button.\n");
} else { } else {
// Just wait for a bit to let the user check, that the priming succeeded. // Just wait for a bit to let the user check, that the priming succeeded.
//TODO Add a message explaining what the printer is waiting for. This needs a firmware fix. //TODO Add a message explaining what the printer is waiting for. This needs a firmware fix.
_write(file, "M1 S10\n"); file.write("M1 S10\n");
} }
} else { } else {
// This is not Marlin, M1 command is probably not supported. // This is not Marlin, M1 command is probably not supported.
@ -1410,19 +1410,19 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
} }
#ifdef HAS_PRESSURE_EQUALIZER #ifdef HAS_PRESSURE_EQUALIZER
if (m_pressure_equalizer) if (m_pressure_equalizer)
_write(file, m_pressure_equalizer->process("", true)); file.write(m_pressure_equalizer->process("", true));
#endif /* HAS_PRESSURE_EQUALIZER */ #endif /* HAS_PRESSURE_EQUALIZER */
if (m_wipe_tower) if (m_wipe_tower)
// Purge the extruder, pull out the active filament. // Purge the extruder, pull out the active filament.
_write(file, m_wipe_tower->finalize(*this)); file.write(m_wipe_tower->finalize(*this));
} }
// Write end commands to file. // Write end commands to file.
_write(file, this->retract()); file.write(this->retract());
_write(file, m_writer.set_fan(false)); file.write(m_writer.set_fan(false));
// adds tag for processor // adds tag for processor
_write_format(file, ";%s%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Role).c_str(), ExtrusionEntity::role_to_string(erCustom).c_str()); file.write_format(";%s%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Role).c_str(), ExtrusionEntity::role_to_string(erCustom).c_str());
// Process filament-specific gcode in extruder order. // Process filament-specific gcode in extruder order.
{ {
@ -1434,48 +1434,48 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
// Process the end_filament_gcode for the active filament only. // Process the end_filament_gcode for the active filament only.
int extruder_id = m_writer.extruder()->id(); int extruder_id = m_writer.extruder()->id();
config.set_key_value("filament_extruder_id", new ConfigOptionInt(extruder_id)); config.set_key_value("filament_extruder_id", new ConfigOptionInt(extruder_id));
_writeln(file, this->placeholder_parser_process("end_filament_gcode", print.config().end_filament_gcode.get_at(extruder_id), extruder_id, &config)); file.writeln(this->placeholder_parser_process("end_filament_gcode", print.config().end_filament_gcode.get_at(extruder_id), extruder_id, &config));
} else { } else {
for (const std::string &end_gcode : print.config().end_filament_gcode.values) { for (const std::string &end_gcode : print.config().end_filament_gcode.values) {
int extruder_id = (unsigned int)(&end_gcode - &print.config().end_filament_gcode.values.front()); int extruder_id = (unsigned int)(&end_gcode - &print.config().end_filament_gcode.values.front());
config.set_key_value("filament_extruder_id", new ConfigOptionInt(extruder_id)); config.set_key_value("filament_extruder_id", new ConfigOptionInt(extruder_id));
_writeln(file, this->placeholder_parser_process("end_filament_gcode", end_gcode, extruder_id, &config)); file.writeln(this->placeholder_parser_process("end_filament_gcode", end_gcode, extruder_id, &config));
} }
} }
_writeln(file, this->placeholder_parser_process("end_gcode", print.config().end_gcode, m_writer.extruder()->id(), &config)); file.writeln(this->placeholder_parser_process("end_gcode", print.config().end_gcode, m_writer.extruder()->id(), &config));
} }
_write(file, m_writer.update_progress(m_layer_count, m_layer_count, true)); // 100% file.write(m_writer.update_progress(m_layer_count, m_layer_count, true)); // 100%
_write(file, m_writer.postamble()); file.write(m_writer.postamble());
// adds tags for time estimators // adds tags for time estimators
if (print.config().remaining_times.value) if (print.config().remaining_times.value)
_write_format(file, ";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Last_Line_M73_Placeholder).c_str()); file.write_format(";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Last_Line_M73_Placeholder).c_str());
print.throw_if_canceled(); print.throw_if_canceled();
// Get filament stats. // Get filament stats.
_write(file, DoExport::update_print_stats_and_format_filament_stats( file.write(DoExport::update_print_stats_and_format_filament_stats(
// Const inputs // Const inputs
has_wipe_tower, print.wipe_tower_data(), has_wipe_tower, print.wipe_tower_data(),
m_writer.extruders(), m_writer.extruders(),
// Modifies // Modifies
print.m_print_statistics)); print.m_print_statistics));
_write(file, "\n"); file.write("\n");
_write_format(file, "; total filament used [g] = %.2lf\n", print.m_print_statistics.total_weight); file.write_format("; total filament used [g] = %.2lf\n", print.m_print_statistics.total_weight);
_write_format(file, "; total filament cost = %.2lf\n", print.m_print_statistics.total_cost); file.write_format("; total filament cost = %.2lf\n", print.m_print_statistics.total_cost);
if (print.m_print_statistics.total_toolchanges > 0) if (print.m_print_statistics.total_toolchanges > 0)
_write_format(file, "; total toolchanges = %i\n", print.m_print_statistics.total_toolchanges); file.write_format("; total toolchanges = %i\n", print.m_print_statistics.total_toolchanges);
_write_format(file, ";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Estimated_Printing_Time_Placeholder).c_str()); file.write_format(";%s\n", GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Estimated_Printing_Time_Placeholder).c_str());
// Append full config, delimited by two 'phony' configuration keys prusaslicer_config = begin and prusaslicer_config = end. // Append full config, delimited by two 'phony' configuration keys prusaslicer_config = begin and prusaslicer_config = end.
// The delimiters are structured as configuration key / value pairs to be parsable by older versions of PrusaSlicer G-code viewer. // The delimiters are structured as configuration key / value pairs to be parsable by older versions of PrusaSlicer G-code viewer.
{ {
_write(file, "\n; prusaslicer_config = begin\n"); file.write("\n; prusaslicer_config = begin\n");
std::string full_config; std::string full_config;
append_full_config(print, full_config); append_full_config(print, full_config);
if (!full_config.empty()) if (!full_config.empty())
_write(file, full_config); file.write(full_config);
_write(file, "; prusaslicer_config = end\n"); file.write("; prusaslicer_config = end\n");
} }
print.throw_if_canceled(); print.throw_if_canceled();
} }
@ -1565,16 +1565,16 @@ static bool custom_gcode_sets_temperature(const std::string &gcode, const int mc
// Print the machine envelope G-code for the Marlin firmware based on the "machine_max_xxx" parameters. // Print the machine envelope G-code for the Marlin firmware based on the "machine_max_xxx" parameters.
// Do not process this piece of G-code by the time estimator, it already knows the values through another sources. // Do not process this piece of G-code by the time estimator, it already knows the values through another sources.
void GCode::print_machine_envelope(FILE *file, Print &print) void GCode::print_machine_envelope(GCodeOutputStream &file, Print &print)
{ {
if ((print.config().gcode_flavor.value == gcfMarlinLegacy || print.config().gcode_flavor.value == gcfMarlinFirmware) if ((print.config().gcode_flavor.value == gcfMarlinLegacy || print.config().gcode_flavor.value == gcfMarlinFirmware)
&& print.config().machine_limits_usage.value == MachineLimitsUsage::EmitToGCode) { && print.config().machine_limits_usage.value == MachineLimitsUsage::EmitToGCode) {
fprintf(file, "M201 X%d Y%d Z%d E%d ; sets maximum accelerations, mm/sec^2\n", file.write_format("M201 X%d Y%d Z%d E%d ; sets maximum accelerations, mm/sec^2\n",
int(print.config().machine_max_acceleration_x.values.front() + 0.5), int(print.config().machine_max_acceleration_x.values.front() + 0.5),
int(print.config().machine_max_acceleration_y.values.front() + 0.5), int(print.config().machine_max_acceleration_y.values.front() + 0.5),
int(print.config().machine_max_acceleration_z.values.front() + 0.5), int(print.config().machine_max_acceleration_z.values.front() + 0.5),
int(print.config().machine_max_acceleration_e.values.front() + 0.5)); int(print.config().machine_max_acceleration_e.values.front() + 0.5));
fprintf(file, "M203 X%d Y%d Z%d E%d ; sets maximum feedrates, mm/sec\n", file.write_format("M203 X%d Y%d Z%d E%d ; sets maximum feedrates, mm/sec\n",
int(print.config().machine_max_feedrate_x.values.front() + 0.5), int(print.config().machine_max_feedrate_x.values.front() + 0.5),
int(print.config().machine_max_feedrate_y.values.front() + 0.5), int(print.config().machine_max_feedrate_y.values.front() + 0.5),
int(print.config().machine_max_feedrate_z.values.front() + 0.5), int(print.config().machine_max_feedrate_z.values.front() + 0.5),
@ -1587,18 +1587,18 @@ void GCode::print_machine_envelope(FILE *file, Print &print)
int travel_acc = print.config().gcode_flavor == gcfMarlinLegacy int travel_acc = print.config().gcode_flavor == gcfMarlinLegacy
? int(print.config().machine_max_acceleration_extruding.values.front() + 0.5) ? int(print.config().machine_max_acceleration_extruding.values.front() + 0.5)
: int(print.config().machine_max_acceleration_travel.values.front() + 0.5); : int(print.config().machine_max_acceleration_travel.values.front() + 0.5);
fprintf(file, "M204 P%d R%d T%d ; sets acceleration (P, T) and retract acceleration (R), mm/sec^2\n", file.write_format("M204 P%d R%d T%d ; sets acceleration (P, T) and retract acceleration (R), mm/sec^2\n",
int(print.config().machine_max_acceleration_extruding.values.front() + 0.5), int(print.config().machine_max_acceleration_extruding.values.front() + 0.5),
int(print.config().machine_max_acceleration_retracting.values.front() + 0.5), int(print.config().machine_max_acceleration_retracting.values.front() + 0.5),
travel_acc); travel_acc);
assert(is_decimal_separator_point()); assert(is_decimal_separator_point());
fprintf(file, "M205 X%.2lf Y%.2lf Z%.2lf E%.2lf ; sets the jerk limits, mm/sec\n", file.write_format("M205 X%.2lf Y%.2lf Z%.2lf E%.2lf ; sets the jerk limits, mm/sec\n",
print.config().machine_max_jerk_x.values.front(), print.config().machine_max_jerk_x.values.front(),
print.config().machine_max_jerk_y.values.front(), print.config().machine_max_jerk_y.values.front(),
print.config().machine_max_jerk_z.values.front(), print.config().machine_max_jerk_z.values.front(),
print.config().machine_max_jerk_e.values.front()); print.config().machine_max_jerk_e.values.front());
fprintf(file, "M205 S%d T%d ; sets the minimum extruding and travel feed rate, mm/sec\n", file.write_format("M205 S%d T%d ; sets the minimum extruding and travel feed rate, mm/sec\n",
int(print.config().machine_min_extruding_rate.values.front() + 0.5), int(print.config().machine_min_extruding_rate.values.front() + 0.5),
int(print.config().machine_min_travel_rate.values.front() + 0.5)); int(print.config().machine_min_travel_rate.values.front() + 0.5));
} }
@ -1608,7 +1608,7 @@ void GCode::print_machine_envelope(FILE *file, Print &print)
// Only do that if the start G-code does not already contain any M-code controlling an extruder temperature. // Only do that if the start G-code does not already contain any M-code controlling an extruder temperature.
// M140 - Set Extruder Temperature // M140 - Set Extruder Temperature
// M190 - Set Extruder Temperature and Wait // M190 - Set Extruder Temperature and Wait
void GCode::_print_first_layer_bed_temperature(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait) void GCode::_print_first_layer_bed_temperature(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait)
{ {
// Initial bed temperature based on the first extruder. // Initial bed temperature based on the first extruder.
int temp = print.config().first_layer_bed_temperature.get_at(first_printing_extruder_id); int temp = print.config().first_layer_bed_temperature.get_at(first_printing_extruder_id);
@ -1621,7 +1621,7 @@ void GCode::_print_first_layer_bed_temperature(FILE *file, Print &print, const s
// the custom start G-code emited these. // the custom start G-code emited these.
std::string set_temp_gcode = m_writer.set_bed_temperature(temp, wait); std::string set_temp_gcode = m_writer.set_bed_temperature(temp, wait);
if (! temp_set_by_gcode) if (! temp_set_by_gcode)
_write(file, set_temp_gcode); file.write(set_temp_gcode);
} }
// Write 1st layer extruder temperatures into the G-code. // Write 1st layer extruder temperatures into the G-code.
@ -1629,7 +1629,7 @@ void GCode::_print_first_layer_bed_temperature(FILE *file, Print &print, const s
// M104 - Set Extruder Temperature // M104 - Set Extruder Temperature
// M109 - Set Extruder Temperature and Wait // M109 - Set Extruder Temperature and Wait
// RepRapFirmware: G10 Sxx // RepRapFirmware: G10 Sxx
void GCode::_print_first_layer_extruder_temperatures(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait) void GCode::_print_first_layer_extruder_temperatures(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait)
{ {
// Is the bed temperature set by the provided custom G-code? // Is the bed temperature set by the provided custom G-code?
int temp_by_gcode = -1; int temp_by_gcode = -1;
@ -1646,7 +1646,7 @@ void GCode::_print_first_layer_extruder_temperatures(FILE *file, Print &print, c
// Set temperature of the first printing extruder only. // Set temperature of the first printing extruder only.
int temp = print.config().first_layer_temperature.get_at(first_printing_extruder_id); int temp = print.config().first_layer_temperature.get_at(first_printing_extruder_id);
if (temp > 0) if (temp > 0)
_write(file, m_writer.set_temperature(temp, wait, first_printing_extruder_id)); file.write(m_writer.set_temperature(temp, wait, first_printing_extruder_id));
} else { } else {
// Set temperatures of all the printing extruders. // Set temperatures of all the printing extruders.
for (unsigned int tool_id : print.extruders()) { for (unsigned int tool_id : print.extruders()) {
@ -1654,7 +1654,7 @@ void GCode::_print_first_layer_extruder_temperatures(FILE *file, Print &print, c
if (print.config().ooze_prevention.value) if (print.config().ooze_prevention.value)
temp += print.config().standby_temperature_delta.value; temp += print.config().standby_temperature_delta.value;
if (temp > 0) if (temp > 0)
_write(file, m_writer.set_temperature(temp, wait, tool_id)); file.write(m_writer.set_temperature(temp, wait, tool_id));
} }
} }
} }
@ -1891,7 +1891,7 @@ namespace Skirt {
// and performing the extruder specific extrusions together. // and performing the extruder specific extrusions together.
void GCode::process_layer( void GCode::process_layer(
// Write into the output file. // Write into the output file.
FILE *file, GCodeOutputStream &file,
const Print &print, const Print &print,
// Set of object & print layers of the same PrintObject and with the same print_z. // Set of object & print layers of the same PrintObject and with the same print_z.
const std::vector<LayerToPrint> &layers, const std::vector<LayerToPrint> &layers,
@ -2306,7 +2306,7 @@ void GCode::process_layer(
// printf("G-code after filter:\n%s\n", out.c_str()); // printf("G-code after filter:\n%s\n", out.c_str());
#endif /* HAS_PRESSURE_EQUALIZER */ #endif /* HAS_PRESSURE_EQUALIZER */
_write(file, gcode); file.write(gcode);
BOOST_LOG_TRIVIAL(trace) << "Exported layer " << layer.id() << " print_z " << print_z << BOOST_LOG_TRIVIAL(trace) << "Exported layer " << layer.id() << " print_z " << print_z <<
log_memory_info(); log_memory_info();
} }
@ -2642,22 +2642,22 @@ std::string GCode::extrude_support(const ExtrusionEntityCollection &support_fill
return gcode; return gcode;
} }
void GCode::_write(FILE* file, const char *what) void GCode::GCodeOutputStream::write(const char *what)
{ {
if (what != nullptr) { if (what != nullptr) {
const char* gcode = what; const char* gcode = what;
// writes string to file // writes string to file
fwrite(gcode, 1, ::strlen(gcode), file); fwrite(gcode, 1, ::strlen(gcode), this->f);
} }
} }
void GCode::_writeln(FILE* file, const std::string &what) void GCode::GCodeOutputStream::writeln(const std::string &what)
{ {
if (! what.empty()) if (! what.empty())
_write(file, (what.back() == '\n') ? what : (what + '\n')); this->write(what.back() == '\n' ? what : what + '\n');
} }
void GCode::_write_format(FILE* file, const char* format, ...) void GCode::GCodeOutputStream::write_format(const char* format, ...)
{ {
va_list args; va_list args;
va_start(args, format); va_start(args, format);
@ -2681,7 +2681,7 @@ void GCode::_write_format(FILE* file, const char* format, ...)
char *bufptr = buffer_dynamic ? (char*)malloc(buflen) : buffer; char *bufptr = buffer_dynamic ? (char*)malloc(buflen) : buffer;
int res = ::vsnprintf(bufptr, buflen, format, args); int res = ::vsnprintf(bufptr, buflen, format, args);
if (res > 0) if (res > 0)
_write(file, bufptr); this->write(bufptr);
if (buffer_dynamic) if (buffer_dynamic)
free(bufptr); free(bufptr);

48
src/libslic3r/GCode.hpp
View File

@ -184,13 +184,39 @@ public:
}; };
private: private:
void _do_export(Print &print, FILE *file, ThumbnailsGeneratorCallback thumbnail_cb); class GCodeOutputStream {
public:
GCodeOutputStream(FILE *f) : f(f) {}
~GCodeOutputStream() { this->close(); }
bool is_open() const { return f; }
bool is_error() const { return ::ferror(f); }
void flush() { ::fflush(f); }
void close() { if (f) ::fclose(f); }
// Write a string into a file.
void write(const std::string& what) { this->write(what.c_str()); }
void write(const char* what);
// Write a string into a file.
// Add a newline, if the string does not end with a newline already.
// Used to export a custom G-code section processed by the PlaceholderParser.
void writeln(const std::string& what);
// Formats and write into a file the given data.
void write_format(const char* format, ...);
private:
FILE *f = nullptr;
};
void _do_export(Print &print, GCodeOutputStream &file, ThumbnailsGeneratorCallback thumbnail_cb);
static std::vector<LayerToPrint> collect_layers_to_print(const PrintObject &object); static std::vector<LayerToPrint> collect_layers_to_print(const PrintObject &object);
static std::vector<std::pair<coordf_t, std::vector<LayerToPrint>>> collect_layers_to_print(const Print &print); static std::vector<std::pair<coordf_t, std::vector<LayerToPrint>>> collect_layers_to_print(const Print &print);
void process_layer( void process_layer(
// Write into the output file. // Write into the output file.
FILE *file, GCodeOutputStream &file,
const Print &print, const Print &print,
// Set of object & print layers of the same PrintObject and with the same print_z. // Set of object & print layers of the same PrintObject and with the same print_z.
const std::vector<LayerToPrint> &layers, const std::vector<LayerToPrint> &layers,
@ -358,22 +384,10 @@ private:
// Processor // Processor
GCodeProcessor m_processor; GCodeProcessor m_processor;
// Write a string into a file.
void _write(FILE* file, const std::string& what) { this->_write(file, what.c_str()); }
void _write(FILE* file, const char *what);
// Write a string into a file.
// Add a newline, if the string does not end with a newline already.
// Used to export a custom G-code section processed by the PlaceholderParser.
void _writeln(FILE* file, const std::string& what);
// Formats and write into a file the given data.
void _write_format(FILE* file, const char* format, ...);
std::string _extrude(const ExtrusionPath &path, std::string description = "", double speed = -1); std::string _extrude(const ExtrusionPath &path, std::string description = "", double speed = -1);
void print_machine_envelope(FILE *file, Print &print); void print_machine_envelope(GCodeOutputStream &file, Print &print);
void _print_first_layer_bed_temperature(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait); void _print_first_layer_bed_temperature(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
void _print_first_layer_extruder_temperatures(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait); void _print_first_layer_extruder_temperatures(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
// On the first printing layer. This flag triggers first layer speeds. // On the first printing layer. This flag triggers first layer speeds.
bool on_first_layer() const { return m_layer != nullptr && m_layer->id() == 0; } bool on_first_layer() const { return m_layer != nullptr && m_layer->id() == 0; }
// To control print speed of 1st object layer over raft interface. // To control print speed of 1st object layer over raft interface.