0558b53493
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
187 lines
7.6 KiB
C++
187 lines
7.6 KiB
C++
// Calculate extents of the extrusions assigned to Print / PrintObject.
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// The extents are used for assessing collisions of the print with the priming towers,
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// to decide whether to pause the print after the priming towers are extruded
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// to let the operator remove them from the print bed.
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#include "../BoundingBox.hpp"
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#include "../ExtrusionEntity.hpp"
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#include "../ExtrusionEntityCollection.hpp"
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#include "../Print.hpp"
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#include "PrintExtents.hpp"
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#include "WipeTower.hpp"
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namespace Slic3r {
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static inline BoundingBox extrusion_polyline_extents(const Polyline &polyline, const coord_t radius)
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{
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BoundingBox bbox;
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if (! polyline.points.empty())
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bbox.merge(polyline.points.front());
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for (const Point &pt : polyline.points) {
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bbox.min(0) = std::min(bbox.min(0), pt(0) - radius);
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bbox.min(1) = std::min(bbox.min(1), pt(1) - radius);
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bbox.max(0) = std::max(bbox.max(0), pt(0) + radius);
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bbox.max(1) = std::max(bbox.max(1), pt(1) + radius);
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}
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return bbox;
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}
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static inline BoundingBoxf extrusionentity_extents(const ExtrusionPath &extrusion_path)
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{
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BoundingBox bbox = extrusion_polyline_extents(extrusion_path.polyline, scale_(0.5 * extrusion_path.width));
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BoundingBoxf bboxf;
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if (! empty(bbox)) {
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bboxf.min = unscale(bbox.min);
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bboxf.max = unscale(bbox.max);
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bboxf.defined = true;
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}
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return bboxf;
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}
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static inline BoundingBoxf extrusionentity_extents(const ExtrusionLoop &extrusion_loop)
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{
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BoundingBox bbox;
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for (const ExtrusionPath &extrusion_path : extrusion_loop.paths)
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bbox.merge(extrusion_polyline_extents(extrusion_path.polyline, scale_(0.5 * extrusion_path.width)));
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BoundingBoxf bboxf;
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if (! empty(bbox)) {
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bboxf.min = unscale(bbox.min);
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bboxf.max = unscale(bbox.max);
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bboxf.defined = true;
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}
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return bboxf;
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}
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static inline BoundingBoxf extrusionentity_extents(const ExtrusionMultiPath &extrusion_multi_path)
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{
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BoundingBox bbox;
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for (const ExtrusionPath &extrusion_path : extrusion_multi_path.paths)
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bbox.merge(extrusion_polyline_extents(extrusion_path.polyline, scale_(0.5 * extrusion_path.width)));
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BoundingBoxf bboxf;
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if (! empty(bbox)) {
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bboxf.min = unscale(bbox.min);
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bboxf.max = unscale(bbox.max);
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bboxf.defined = true;
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}
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return bboxf;
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}
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static BoundingBoxf extrusionentity_extents(const ExtrusionEntity *extrusion_entity);
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static inline BoundingBoxf extrusionentity_extents(const ExtrusionEntityCollection &extrusion_entity_collection)
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{
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BoundingBoxf bbox;
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for (const ExtrusionEntity *extrusion_entity : extrusion_entity_collection.entities)
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bbox.merge(extrusionentity_extents(extrusion_entity));
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return bbox;
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}
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static BoundingBoxf extrusionentity_extents(const ExtrusionEntity *extrusion_entity)
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{
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if (extrusion_entity == nullptr)
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return BoundingBoxf();
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auto *extrusion_path = dynamic_cast<const ExtrusionPath*>(extrusion_entity);
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if (extrusion_path != nullptr)
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return extrusionentity_extents(*extrusion_path);
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auto *extrusion_loop = dynamic_cast<const ExtrusionLoop*>(extrusion_entity);
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if (extrusion_loop != nullptr)
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return extrusionentity_extents(*extrusion_loop);
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auto *extrusion_multi_path = dynamic_cast<const ExtrusionMultiPath*>(extrusion_entity);
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if (extrusion_multi_path != nullptr)
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return extrusionentity_extents(*extrusion_multi_path);
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auto *extrusion_entity_collection = dynamic_cast<const ExtrusionEntityCollection*>(extrusion_entity);
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if (extrusion_entity_collection != nullptr)
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return extrusionentity_extents(*extrusion_entity_collection);
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throw std::runtime_error("Unexpected extrusion_entity type in extrusionentity_extents()");
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return BoundingBoxf();
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}
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BoundingBoxf get_print_extrusions_extents(const Print &print)
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{
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BoundingBoxf bbox(extrusionentity_extents(print.brim()));
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bbox.merge(extrusionentity_extents(print.skirt()));
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return bbox;
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}
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BoundingBoxf get_print_object_extrusions_extents(const PrintObject &print_object, const coordf_t max_print_z)
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{
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BoundingBoxf bbox;
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for (const Layer *layer : print_object.layers()) {
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if (layer->print_z > max_print_z)
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break;
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BoundingBoxf bbox_this;
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for (const LayerRegion *layerm : layer->regions()) {
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bbox_this.merge(extrusionentity_extents(layerm->perimeters));
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for (const ExtrusionEntity *ee : layerm->fills.entities)
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// fill represents infill extrusions of a single island.
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bbox_this.merge(extrusionentity_extents(*dynamic_cast<const ExtrusionEntityCollection*>(ee)));
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}
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const SupportLayer *support_layer = dynamic_cast<const SupportLayer*>(layer);
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if (support_layer)
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for (const ExtrusionEntity *extrusion_entity : support_layer->support_fills.entities)
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bbox_this.merge(extrusionentity_extents(extrusion_entity));
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for (const Point &offset : print_object.copies()) {
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BoundingBoxf bbox_translated(bbox_this);
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bbox_translated.translate(unscale(offset));
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bbox.merge(bbox_translated);
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}
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}
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return bbox;
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}
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// Returns a bounding box of a projection of the wipe tower for the layers <= max_print_z.
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// The projection does not contain the priming regions.
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BoundingBoxf get_wipe_tower_extrusions_extents(const Print &print, const coordf_t max_print_z)
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{
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// Wipe tower extrusions are saved as if the tower was at the origin with no rotation
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// We need to get position and angle of the wipe tower to transform them to actual position.
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Transform2d trafo =
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Eigen::Translation2d(print.config().wipe_tower_x.value, print.config().wipe_tower_y.value) *
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Eigen::Rotation2Dd(print.config().wipe_tower_rotation_angle.value);
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BoundingBoxf bbox;
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for (const std::vector<WipeTower::ToolChangeResult> &tool_changes : print.wipe_tower_data().tool_changes) {
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if (! tool_changes.empty() && tool_changes.front().print_z > max_print_z)
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break;
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for (const WipeTower::ToolChangeResult &tcr : tool_changes) {
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for (size_t i = 1; i < tcr.extrusions.size(); ++ i) {
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const WipeTower::Extrusion &e = tcr.extrusions[i];
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if (e.width > 0) {
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Vec2d delta = 0.5 * Vec2d(e.width, e.width);
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Vec2d p1 = trafo * Vec2d((&e - 1)->pos.x, (&e - 1)->pos.y);
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Vec2d p2 = trafo * Vec2d(e.pos.x, e.pos.y);
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bbox.merge(p1.cwiseMin(p2) - delta);
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bbox.merge(p1.cwiseMax(p2) + delta);
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}
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}
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}
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}
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return bbox;
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}
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// Returns a bounding box of the wipe tower priming extrusions.
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BoundingBoxf get_wipe_tower_priming_extrusions_extents(const Print &print)
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{
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BoundingBoxf bbox;
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if (print.wipe_tower_data().priming != nullptr) {
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const WipeTower::ToolChangeResult &tcr = *print.wipe_tower_data().priming;
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for (size_t i = 1; i < tcr.extrusions.size(); ++ i) {
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const WipeTower::Extrusion &e = tcr.extrusions[i];
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if (e.width > 0) {
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Vec2d p1((&e - 1)->pos.x, (&e - 1)->pos.y);
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Vec2d p2(e.pos.x, e.pos.y);
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bbox.merge(p1);
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coordf_t radius = 0.5 * e.width;
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bbox.min(0) = std::min(bbox.min(0), std::min(p1(0), p2(0)) - radius);
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bbox.min(1) = std::min(bbox.min(1), std::min(p1(1), p2(1)) - radius);
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bbox.max(0) = std::max(bbox.max(0), std::max(p1(0), p2(0)) + radius);
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bbox.max(1) = std::max(bbox.max(1), std::max(p1(1), p2(1)) + radius);
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}
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}
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}
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return bbox;
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}
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}
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