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Refactoring of the G-code preview for lower memory allocation

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and for separation of concerns:

The final G-code preview no more uses ExtrusionPaths structure
to hold the G-code path data extracted by parsing the G-code.
Instead, the ExtrusionPath class has been trimmed down back to
the original size before the G-code preview was introduced,
and a new GCodePreviewData::Extrusion::Path class was created to hold
the additional path data as the extruder ID, color change ID
and fan speed.
This commit is contained in:
bubnikv 2019-09-30 16:25:26 +02:00
parent b425ee50a9
commit 272479826f
7 changed files with 64 additions and 41 deletions
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14
src/libslic3r/GCode/Analyzer.cpp
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@ -866,7 +866,7 @@ void GCodeAnalyzer::_calc_gcode_preview_extrusion_layers(GCodePreviewData& previ
}
// if layer not found, create and return it
layers.emplace_back(z, ExtrusionPaths());
layers.emplace_back(z, GCodePreviewData::Extrusion::Paths());
return layers.back();
}
@ -875,14 +875,18 @@ void GCodeAnalyzer::_calc_gcode_preview_extrusion_layers(GCodePreviewData& previ
// if the polyline is valid, create the extrusion path from it and store it
if (polyline.is_valid())
{
ExtrusionPath path(data.extrusion_role, data.mm3_per_mm, data.width, data.height);
auto& paths = get_layer_at_z(preview_data.extrusion.layers, z).paths;
paths.emplace_back(GCodePreviewData::Extrusion::Path());
GCodePreviewData::Extrusion::Path &path = paths.back();
path.polyline = polyline;
path.extrusion_role = data.extrusion_role;
path.mm3_per_mm = data.mm3_per_mm;
path.width = data.width;
path.height = data.height;
path.feedrate = data.feedrate;
path.extruder_id = data.extruder_id;
path.fan_speed = data.fan_speed;
path.cp_color_id = data.cp_color_id;
get_layer_at_z(preview_data.extrusion.layers, z).paths.push_back(path);
path.fan_speed = data.fan_speed;
}
}
};