From 35a96bde514a8897f6f0fcc41c5833bf63df2e2a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:29:01 +0200 Subject: Adding upstream version 1.0.2. Signed-off-by: Daniel Baumann --- src/object/persp3d.h | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 src/object/persp3d.h (limited to 'src/object/persp3d.h') diff --git a/src/object/persp3d.h b/src/object/persp3d.h new file mode 100644 index 0000000..6da182c --- /dev/null +++ b/src/object/persp3d.h @@ -0,0 +1,131 @@ +// 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 + * + * Copyright (C) 2007 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#define SP_PERSP3D(obj) (dynamic_cast((SPObject*)obj)) +#define SP_IS_PERSP3D(obj) (dynamic_cast((SPObject*)obj) != NULL) + +#include +#include +#include + +#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 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, 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 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 : -- cgit v1.2.3