#ifndef __PERSP3D_H__ #define __PERSP3D_H__ /* * Implementation of 3D perspectives as SPObjects * * Authors: * Maximilian Albert <Anhalter42@gmx.de> * * Copyright (C) 2007 Authors * * Released under GNU GPL, read the file 'COPYING' for more information */ #define SP_TYPE_PERSP3D (persp3d_get_type ()) #define SP_PERSP3D(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_PERSP3D, Persp3D)) #define SP_PERSP3D_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_PERSP3D, Persp3DClass)) #define SP_IS_PERSP3D(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_PERSP3D)) #define SP_IS_PERSP3D_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_PERSP3D)) #include <list> #include <vector> #include <map> #include "sp-item.h" #include "transf_mat_3x4.h" #include "document.h" #include "inkscape.h" class SPBox3D; class Box3DContext; struct Persp3D : public SPObject { 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; std::map<SPBox3D *, bool>* boxes_transformed; // TODO: eventually we should merge this with 'boxes' SPDocument *document; // should this rather be the SPDesktop? // for debugging only int my_counter; }; struct Persp3DClass { SPItemClass parent_class; }; /* Standard GType function */ GType persp3d_get_type (void); // 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->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 (Persp3D *persp, 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_update_with_point (Persp3D *persp, Proj::Axis const axis, Proj::Pt2 const &new_image); void persp3d_apply_affine_transformation (Persp3D *persp, Geom::Matrix const &xform); gchar * persp3d_pt_to_str (Persp3D *persp, Proj::Axis const axis); 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_add_box_transform (Persp3D *persp, SPBox3D *box); void persp3d_remove_box_transform (Persp3D *persp, SPBox3D *box); void persp3d_set_box_transformed (Persp3D *persp, SPBox3D *box, bool transformed = true); bool persp3d_was_transformed (Persp3D *persp); bool persp3d_all_transformed(Persp3D *persp); void persp3d_unset_transforms(Persp3D *persp); 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->boxes.size(); } std::list<SPBox3D *> persp3d_list_of_boxes(Persp3D *persp); bool persp3d_perspectives_coincide(const Persp3D *lhs, const Persp3D *rhs); void persp3d_absorb(Persp3D *persp1, Persp3D *persp2); Persp3D * persp3d_create_xml_element (SPDocument *document, Persp3D *dup = NULL); Persp3D * persp3d_document_first_persp (SPDocument *document); bool persp3d_has_all_boxes_in_selection (Persp3D *persp); std::map<Persp3D *, std::list<SPBox3D *> > persp3d_unselected_boxes(Inkscape::Selection *selection); void persp3d_split_perspectives_according_to_selection(Inkscape::Selection *selection); void persp3d_print_debugging_info (Persp3D *persp); void persp3d_print_debugging_info_all(SPDocument *doc); void persp3d_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:encoding=utf-8:textwidth=99 :