From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:24:48 +0200 Subject: Adding upstream version 1.2.2. Signed-off-by: Daniel Baumann --- src/object/persp3d.h | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 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..0a53882 --- /dev/null +++ b/src/object/persp3d.h @@ -0,0 +1,130 @@ +// 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(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, 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 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 : -- cgit v1.2.3