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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(SPAttr 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;
public:
// FIXME: Make more of these inline!
static Persp3D * get_from_repr (Inkscape::XML::Node *repr) {
return SP_PERSP3D(SP_ACTIVE_DOCUMENT->getObjectByRepr(repr));
}
Proj::Pt2 get_VP (Proj::Axis axis) const {
return perspective_impl->tmat.column(axis);
}
Geom::Point get_PL_dir_from_pt (Geom::Point const &pt, Proj::Axis axis) const; // convenience wrapper around the following two
Geom::Point get_finite_dir (Geom::Point const &pt, Proj::Axis axis) const;
Geom::Point get_infinite_dir (Proj::Axis axis) const;
double get_infinite_angle (Proj::Axis axis) const;
static bool VP_is_finite (Persp3DImpl *persp_impl, Proj::Axis axis);
void toggle_VP (Proj::Axis axis, bool set_undo = true);
static void toggle_VPs (std::list<Persp3D *>, Proj::Axis axis);
void set_VP_state (Proj::Axis axis, Proj::VPState state);
void rotate_VP (Proj::Axis axis, double angle, bool alt_pressed); // angle is in degrees
void apply_affine_transformation (Geom::Affine const &xform);
void add_box (SPBox3D *box);
void remove_box (SPBox3D *box);
bool has_box (SPBox3D *box) const;
void update_box_displays ();
void update_box_reprs ();
void update_z_orders ();
unsigned int num_boxes () const { return perspective_impl->boxes.size(); }
std::list<SPBox3D *> list_of_boxes() const;
bool perspectives_coincide(Persp3D const *rhs) const;
void absorb(Persp3D *persp2);
static Persp3D * create_xml_element (SPDocument *document);
static Persp3D * document_first_persp (SPDocument *document);
bool has_all_boxes_in_selection (Inkscape::ObjectSet *set) const;
void print_debugging_info () const;
static void print_debugging_info_all(SPDocument *doc);
static void print_all_selected();
};
#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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