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Sharing TriangleMesh objects between the front end (UI) and back end

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(background processing)
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bubnikv 2019-06-11 17:08:47 +02:00
parent 5fc465b7e8
commit 0bb8ee149e
20 changed files with 254 additions and 193 deletions
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46
src/libslic3r/Model.hpp
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@ -7,7 +7,9 @@
#include "Point.hpp"
#include "TriangleMesh.hpp"
#include "Slicing.hpp"
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
@ -261,6 +263,7 @@ public:
void rotate(double angle, const Vec3d& axis);
void mirror(Axis axis);
// This method could only be called before the meshes of this ModelVolumes are not shared!
void scale_mesh(const Vec3d& versor);
size_t materials_count() const;
@ -268,7 +271,6 @@ public:
bool needed_repair() const;
ModelObjectPtrs cut(size_t instance, coordf_t z, bool keep_upper = true, bool keep_lower = true, bool rotate_lower = false); // Note: z is in world coordinates
void split(ModelObjectPtrs* new_objects);
void repair();
// Support for non-uniform scaling of instances. If an instance is rotated by angles, which are not multiples of ninety degrees,
// then the scaling in world coordinate system is not representable by the Geometry::Transformation structure.
// This situation is solved by baking in the instance transformation into the mesh vertices.
@ -340,7 +342,12 @@ class ModelVolume : public ModelBase
public:
std::string name;
// The triangular model.
TriangleMesh mesh;
const TriangleMesh& mesh() const { return *m_mesh.get(); }
void set_mesh(const TriangleMesh &mesh) { m_mesh = std::make_shared<TriangleMesh>(mesh); }
void set_mesh(TriangleMesh &&mesh) { m_mesh = std::make_shared<TriangleMesh>(std::move(mesh)); }
void set_mesh(std::shared_ptr<TriangleMesh> &mesh) { m_mesh = mesh; }
void set_mesh(std::unique_ptr<TriangleMesh> &&mesh) { m_mesh = std::move(mesh); }
void reset_mesh() { m_mesh = std::make_shared<TriangleMesh>(); }
// Configuration parameters specific to an object model geometry or a modifier volume,
// overriding the global Slic3r settings and the ModelObject settings.
DynamicPrintConfig config;
@ -377,13 +384,16 @@ public:
void rotate(double angle, const Vec3d& axis);
void mirror(Axis axis);
// This method could only be called before the meshes of this ModelVolumes are not shared!
void scale_geometry(const Vec3d& versor);
// translates the mesh and the convex hull so that the origin of their vertices is in the center of this volume's bounding box
void center_geometry();
// Translates the mesh and the convex hull so that the origin of their vertices is in the center of this volume's bounding box.
// Attention! This method may only be called just after ModelVolume creation! It must not be called once the TriangleMesh of this ModelVolume is shared!
void center_geometry_after_creation();
void calculate_convex_hull();
const TriangleMesh& get_convex_hull() const;
std::shared_ptr<const TriangleMesh> get_convex_hull_shared_ptr() const { return m_convex_hull; }
// Get count of errors in the mesh
int get_mesh_errors_count() const;
@ -430,18 +440,20 @@ protected:
explicit ModelVolume(const ModelVolume &rhs) = default;
void set_model_object(ModelObject *model_object) { object = model_object; }
void transform_mesh(const Transform3d& t, bool fix_left_handed);
void transform_mesh(const Matrix3d& m, bool fix_left_handed);
void transform_this_mesh(const Transform3d& t, bool fix_left_handed);
void transform_this_mesh(const Matrix3d& m, bool fix_left_handed);
private:
// Parent object owning this ModelVolume.
ModelObject* object;
ModelObject* object;
// The triangular model.
std::shared_ptr<TriangleMesh> m_mesh;
// Is it an object to be printed, or a modifier volume?
ModelVolumeType m_type;
t_model_material_id m_material_id;
ModelVolumeType m_type;
t_model_material_id m_material_id;
// The convex hull of this model's mesh.
TriangleMesh m_convex_hull;
Geometry::Transformation m_transformation;
std::shared_ptr<TriangleMesh> m_convex_hull;
Geometry::Transformation m_transformation;
// flag to optimize the checking if the volume is splittable
// -1 -> is unknown value (before first cheking)
@ -449,24 +461,24 @@ private:
// 1 -> is splittable
mutable int m_is_splittable{ -1 };
ModelVolume(ModelObject *object, const TriangleMesh &mesh) : mesh(mesh), m_type(ModelVolumeType::MODEL_PART), object(object)
ModelVolume(ModelObject *object, const TriangleMesh &mesh) : m_mesh(new TriangleMesh(mesh)), m_type(ModelVolumeType::MODEL_PART), object(object)
{
if (mesh.stl.stats.number_of_facets > 1)
calculate_convex_hull();
}
ModelVolume(ModelObject *object, TriangleMesh &&mesh, TriangleMesh &&convex_hull) :
mesh(std::move(mesh)), m_convex_hull(std::move(convex_hull)), m_type(ModelVolumeType::MODEL_PART), object(object) {}
m_mesh(new TriangleMesh(std::move(mesh))), m_convex_hull(new TriangleMesh(std::move(convex_hull))), m_type(ModelVolumeType::MODEL_PART), object(object) {}
// Copying an existing volume, therefore this volume will get a copy of the ID assigned.
ModelVolume(ModelObject *object, const ModelVolume &other) :
ModelBase(other), // copy the ID
name(other.name), mesh(other.mesh), m_convex_hull(other.m_convex_hull), config(other.config), m_type(other.m_type), object(object), m_transformation(other.m_transformation)
name(other.name), m_mesh(other.m_mesh), m_convex_hull(other.m_convex_hull), config(other.config), m_type(other.m_type), object(object), m_transformation(other.m_transformation)
{
this->set_material_id(other.material_id());
}
// Providing a new mesh, therefore this volume will get a new unique ID assigned.
ModelVolume(ModelObject *object, const ModelVolume &other, const TriangleMesh &&mesh) :
name(other.name), mesh(std::move(mesh)), config(other.config), m_type(other.m_type), object(object), m_transformation(other.m_transformation)
name(other.name), m_mesh(new TriangleMesh(std::move(mesh))), config(other.config), m_type(other.m_type), object(object), m_transformation(other.m_transformation)
{
this->set_material_id(other.material_id());
if (mesh.stl.stats.number_of_facets > 1)
@ -597,10 +609,6 @@ public:
static Model read_from_file(const std::string &input_file, DynamicPrintConfig *config = nullptr, bool add_default_instances = true);
static Model read_from_archive(const std::string &input_file, DynamicPrintConfig *config, bool add_default_instances = true);
/// Repair the ModelObjects of the current Model.
/// This function calls repair function on each TriangleMesh of each model object volume
void repair();
// Add a new ModelObject to this Model, generate a new ID for this ModelObject.
ModelObject* add_object();
ModelObject* add_object(const char *name, const char *path, const TriangleMesh &mesh);