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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_PERSP3D_H
#define SEEN_PERSP3D_H
/*
* Implementation of 3D perspectives as SPObjects
*
* Authors:
* Maximilian Albert <Anhalter42@gmx.de>
*
* Copyright (C) 2007 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#define SP_PERSP3D(obj) (dynamic_cast<Persp3D*>((SPObject*)obj))
#define SP_IS_PERSP3D(obj) (dynamic_cast<const Persp3D*>((SPObject*)obj) != NULL)
#include <list>
#include <map>
#include <vector>
#include "transf_mat_3x4.h"
#include "document.h"
#include "inkscape.h" // for SP_ACTIVE_DOCUMENT
#include "sp-object.h"
class SPBox3D;
namespace Inkscape {
namespace UI {
namespace Tools {
class Box3dTool;
}
}
}
class Persp3DImpl {
public:
Persp3DImpl();
//private:
Proj::TransfMat3x4 tmat;
// Also write the list of boxes into the xml repr and vice versa link boxes to their persp3d?
std::vector<SPBox3D *> boxes;
SPDocument *document;
// for debugging only
int my_counter;
// friend class Persp3D;
};
class Persp3D : public SPObject {
public:
Persp3D();
~Persp3D() override;
Persp3DImpl *perspective_impl;
protected:
void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
void release() override;
void set(SPAttributeEnum key, char const* value) override;
void update(SPCtx* ctx, unsigned int flags) override;
Inkscape::XML::Node* write(Inkscape::XML::Document* doc, Inkscape::XML::Node* repr, unsigned int flags) override;
};
// FIXME: Make more of these inline!
inline Persp3D * persp3d_get_from_repr (Inkscape::XML::Node *repr) {
return SP_PERSP3D(SP_ACTIVE_DOCUMENT->getObjectByRepr(repr));
}
inline Proj::Pt2 persp3d_get_VP (Persp3D *persp, Proj::Axis axis) {
return persp->perspective_impl->tmat.column(axis);
}
Geom::Point persp3d_get_PL_dir_from_pt (Persp3D *persp, Geom::Point const &pt, Proj::Axis axis); // convenience wrapper around the following two
Geom::Point persp3d_get_finite_dir (Persp3D *persp, Geom::Point const &pt, Proj::Axis axis);
Geom::Point persp3d_get_infinite_dir (Persp3D *persp, Proj::Axis axis);
double persp3d_get_infinite_angle (Persp3D *persp, Proj::Axis axis);
bool persp3d_VP_is_finite (Persp3DImpl *persp_impl, Proj::Axis axis);
void persp3d_toggle_VP (Persp3D *persp, Proj::Axis axis, bool set_undo = true);
void persp3d_toggle_VPs (std::list<Persp3D *>, Proj::Axis axis);
void persp3d_set_VP_state (Persp3D *persp, Proj::Axis axis, Proj::VPState state);
void persp3d_rotate_VP (Persp3D *persp, Proj::Axis axis, double angle, bool alt_pressed); // angle is in degrees
void persp3d_apply_affine_transformation (Persp3D *persp, Geom::Affine const &xform);
void persp3d_add_box (Persp3D *persp, SPBox3D *box);
void persp3d_remove_box (Persp3D *persp, SPBox3D *box);
bool persp3d_has_box (Persp3D *persp, SPBox3D *box);
void persp3d_update_box_displays (Persp3D *persp);
void persp3d_update_box_reprs (Persp3D *persp);
void persp3d_update_z_orders (Persp3D *persp);
inline unsigned int persp3d_num_boxes (Persp3D *persp) { return persp->perspective_impl->boxes.size(); }
std::list<SPBox3D *> persp3d_list_of_boxes(Persp3D *persp);
bool persp3d_perspectives_coincide(Persp3D const *lhs, Persp3D const *rhs);
void persp3d_absorb(Persp3D *persp1, Persp3D *persp2);
Persp3D * persp3d_create_xml_element (SPDocument *document, Persp3DImpl *dup = nullptr);
Persp3D * persp3d_document_first_persp (SPDocument *document);
bool persp3d_has_all_boxes_in_selection (Persp3D *persp, Inkscape::ObjectSet *set);
void persp3d_print_debugging_info (Persp3D *persp);
void persp3d_print_debugging_info_all(SPDocument *doc);
void persp3d_print_all_selected();
void print_current_persp3d(char *func_name, Persp3D *persp);
#endif /* __PERSP3D_H__ */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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