30
30
static void persp3d_release(SPObject *object);
31
31
static void persp3d_set(SPObject *object, unsigned key, gchar const *value);
32
32
static void persp3d_update(SPObject *object, SPCtx *ctx, guint flags);
33
static Inkscape::XML::Node *persp3d_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
33
static Inkscape::XML::Node *persp3d_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
35
35
static void persp3d_on_repr_attr_changed (Inkscape::XML::Node * repr, const gchar *key, const gchar *oldval, const gchar *newval, bool is_interactive, void * data);
94
94
persp->tmat = Proj::TransfMat3x4 ();
96
persp->boxes_transformed.clear();
96
persp->boxes_transformed = new std::map<SPBox3D *, bool>;
97
persp->boxes_transformed->clear();
97
98
persp->document = NULL;
99
100
persp->my_counter = global_counter++;
188
191
persp3d_update(SPObject *object, SPCtx *ctx, guint flags)
190
if (flags & SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG) {
193
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
192
195
/* TODO: Should we update anything here? */
254
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* Virtual write: write object attributes to repr.
256
258
static Inkscape::XML::Node *
257
persp3d_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
259
persp3d_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
259
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Persp3D *persp = SP_PERSP3D(object);
261
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if ((flags & SP_OBJECT_WRITE_BUILD & SP_OBJECT_WRITE_EXT) && !repr) {
262
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// this is where we end up when saving as plain SVG (also in other circumstances?);
263
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// hence we don't set the sodipodi:type attribute
264
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
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repr = xml_doc->createElement("inkscape:perspective");
283
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if (((SPObjectClass *) persp3d_parent_class)->write)
284
(* ((SPObjectClass *) persp3d_parent_class)->write)(object, repr, flags);
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(* ((SPObjectClass *) persp3d_parent_class)->write)(object, xml_doc, repr, flags);
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/* convenience wrapper around persp3d_get_finite_dir() and persp3d_get_infinite_dir() */
290
NR::Point persp3d_get_PL_dir_from_pt (Persp3D *persp, NR::Point const &pt, Proj::Axis axis) {
291
Geom::Point persp3d_get_PL_dir_from_pt (Persp3D *persp, Geom::Point const &pt, Proj::Axis axis) {
291
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if (persp3d_VP_is_finite(persp, axis)) {
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return persp3d_get_finite_dir(persp, pt, axis);
299
persp3d_get_finite_dir (Persp3D *persp, NR::Point const &pt, Proj::Axis axis) {
300
persp3d_get_finite_dir (Persp3D *persp, Geom::Point const &pt, Proj::Axis axis) {
300
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Box3D::PerspectiveLine pl(pt, axis, persp);
301
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return pl.direction();
305
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persp3d_get_infinite_dir (Persp3D *persp, Proj::Axis axis) {
306
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Proj::Pt2 vp(persp3d_get_VP(persp, axis));
307
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if (vp[2] != 0.0) {
308
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g_print ("VP should be infinite but is (%f : %f : %f)\n", vp[0], vp[1], vp[2]);
309
g_return_val_if_fail(vp[2] != 0.0, NR::Point(0.0, 0.0));
310
g_return_val_if_fail(vp[2] != 0.0, Geom::Point(0.0, 0.0));
311
return NR::Point(vp[0], vp[1]);
312
return Geom::Point(vp[0], vp[1]);
338
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/* toggle VPs for the same axis in all perspectives of a given list */
340
persp3d_toggle_VPs (std::set<Persp3D *> p, Proj::Axis axis) {
341
for (std::set<Persp3D *>::iterator i = p.begin(); i != p.end(); ++i) {
341
persp3d_toggle_VPs (std::list<Persp3D *> p, Proj::Axis axis) {
342
for (std::list<Persp3D *>::iterator i = p.begin(); i != p.end(); ++i) {
342
343
persp3d_toggle_VP((*i), axis, false);
344
345
sp_document_done(sp_desktop_document(inkscape_active_desktop()), SP_VERB_CONTEXT_3DBOX,
362
363
Proj::Pt2 v_dir_proj (persp->tmat.column(axis));
363
NR::Point v_dir (v_dir_proj[0], v_dir_proj[1]);
364
double a = NR::atan2 (v_dir) * 180/M_PI;
364
Geom::Point v_dir (v_dir_proj[0], v_dir_proj[1]);
365
double a = Geom::atan2 (v_dir) * 180/M_PI;
365
366
a += alt_pressed ? 0.5 * ((angle > 0 ) - (angle < 0)) : angle; // the r.h.s. yields +/-0.5 or angle
366
367
persp->tmat.set_infinite_direction (axis, a);
378
persp3d_apply_affine_transformation (Persp3D *persp, NR::Matrix const &xform) {
379
persp3d_apply_affine_transformation (Persp3D *persp, Geom::Matrix const &xform) {
379
380
persp->tmat *= xform;
380
381
persp3d_update_box_reprs(persp);
381
382
SP_OBJECT(persp)->updateRepr(SP_OBJECT_WRITE_EXT);
422
423
persp3d_add_box_transform (Persp3D *persp, SPBox3D *box) {
423
std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed.find(box);
424
if (i != persp->boxes_transformed.end() && (*i).second == true) {
424
std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed->find(box);
425
if (i != persp->boxes_transformed->end() && (*i).second == true) {
425
426
g_print ("Warning! In %s (%d): trying to add transform status for box %d twice when it's already listed as true.\n", SP_OBJECT_REPR(persp)->attribute("id"), persp->my_counter, box->my_counter);
429
persp->boxes_transformed[box] = false;
430
(*persp->boxes_transformed)[box] = false;
433
434
persp3d_remove_box_transform (Persp3D *persp, SPBox3D *box) {
434
persp->boxes_transformed.erase(box);
435
persp->boxes_transformed->erase(box);
438
439
persp3d_set_box_transformed (Persp3D *persp, SPBox3D *box, bool transformed) {
439
if (persp->boxes_transformed.find(box) == persp->boxes_transformed.end()) {
440
if (persp->boxes_transformed->find(box) == persp->boxes_transformed->end()) {
440
441
g_print ("Warning! In %s (%d): trying to set transform status for box %d, but it is not listed in the perspective!! Aborting.\n",
441
442
SP_OBJECT_REPR(persp)->attribute("id"), persp->my_counter,
442
443
box->my_counter);
446
persp->boxes_transformed[box] = transformed;
447
(*persp->boxes_transformed)[box] = transformed;
450
451
persp3d_was_transformed (Persp3D *persp) {
451
if (persp->boxes_transformed.size() == 1) {
452
if (persp->boxes_transformed->size() == 1) {
452
453
/* either the transform has not been applied to the single box associated to this perspective yet
453
454
or the transform was already reset; in both cases we need to return false because upcoming
454
455
transforms need to be applied */
455
(*persp->boxes_transformed.begin()).second = false; // make sure the box is marked as untransformed (in case more boxes are added later)
456
(*persp->boxes_transformed->begin()).second = false; // make sure the box is marked as untransformed (in case more boxes are added later)
459
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed.begin();
460
i != persp->boxes_transformed.end(); ++i) {
460
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed->begin();
461
i != persp->boxes_transformed->end(); ++i) {
461
462
if ((*i).second == true) {
462
463
// at least one of the boxes in the perspective has already been transformed;
470
471
persp3d_all_transformed(Persp3D *persp) {
471
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed.begin();
472
i != persp->boxes_transformed.end(); ++i) {
472
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed->begin();
473
i != persp->boxes_transformed->end(); ++i) {
473
474
if ((*i).second == false) {
481
482
persp3d_unset_transforms(Persp3D *persp) {
482
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed.begin();
483
i != persp->boxes_transformed.end(); ++i) {
483
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed->begin();
484
i != persp->boxes_transformed->end(); ++i) {
484
485
(*i).second = false;
563
564
persp3d_update_box_displays (persp);
566
/* returns a std::set() of all perspectives of the currently selected boxes */
568
persp3d_currently_selected_persps (SPEventContext *ec) {
569
Inkscape::Selection *selection = sp_desktop_selection (ec->desktop);
571
std::set<Persp3D *> p;
572
for (GSList *i = (GSList *) selection->itemList(); i != NULL; i = i->next) {
573
if (SP_IS_BOX3D (i->data)) {
574
p.insert(box3d_get_perspective(SP_BOX3D(i->data)));
580
567
/* checks whether all boxes linked to this perspective are currently selected */
582
569
persp3d_has_all_boxes_in_selection (Persp3D *persp) {
583
const GSList *selection = sp_desktop_selection (inkscape_active_desktop())->itemList();
570
std::list<SPBox3D *> selboxes = sp_desktop_selection(inkscape_active_desktop())->box3DList();
585
572
for (std::vector<SPBox3D *>::iterator i = persp->boxes.begin(); i != persp->boxes.end(); ++i) {
586
if (g_slist_find((GSList *) selection, *i) == NULL) {
573
if (std::find(selboxes.begin(), selboxes.end(), *i) == selboxes.end()) {
587
574
// we have an unselected box in the perspective
595
persp3d_selected_boxes (Persp3D *persp) {
596
const GSList *selection = sp_desktop_selection (inkscape_active_desktop())->itemList();
597
std::list<SPBox3D *> sel;
599
for (std::vector<SPBox3D *>::iterator i = persp->boxes.begin(); i != persp->boxes.end(); ++i) {
600
if (g_slist_find((GSList *) selection, *i) != NULL) {
601
sel.push_back(SP_BOX3D(*i));
582
* For each perspective having a box in \a selection, determine all its unselected boxes.
584
// TODO: Check where we can use pass-by-reference (or so) instead of recreating all the lists afresh.
585
std::map<Persp3D *, std::list<SPBox3D *> >
586
persp3d_unselected_boxes(Inkscape::Selection *selection) {
587
std::list<Persp3D *> plist = selection->perspList();
588
std::map<Persp3D *, std::list<SPBox3D *> > punsel;
590
std::list<Persp3D *>::iterator i;
591
std::vector<SPBox3D *>::iterator j;
592
// for all perspectives in the list ...
593
for (i = plist.begin(); i != plist.end(); ++i) {
595
// ... and each box associated to it ...
596
for (j = persp->boxes.begin(); j != persp->boxes.end(); ++j) {
598
// ... check whether it is unselected, and if so add it to the list
599
if (persp->boxes_transformed->find(box) == persp->boxes_transformed->end()) {
600
punsel[persp].push_back(box);
608
* Split all perspectives with a box in \a selection by moving their unselected boxes to newly
609
* created perspectives.
612
persp3d_split_perspectives_according_to_selection(Inkscape::Selection *selection) {
613
std::map<Persp3D *, std::list<SPBox3D *> > punsel = persp3d_unselected_boxes(selection);
615
std::map<Persp3D *, std::list<SPBox3D *> >::iterator i;
616
std::list<SPBox3D *>::iterator j;
617
// for all perspectives in the list ...
618
for (i = punsel.begin(); i != punsel.end(); ++i) {
619
Persp3D *persp = (*i).first;
620
// ... if the perspective has unselected boxes ...
621
if (!(*i).second.empty()) {
622
// create a new perspective and move these boxes over
623
Persp3D * new_persp = persp3d_create_xml_element (SP_OBJECT_DOCUMENT(persp), persp);
624
for (j = (*i).second.begin(); j != (*i).second.end(); ++j) {
626
box3d_switch_perspectives(box, persp, new_persp);
607
632
/* some debugging stuff follows */
645
670
g_print ("\n======================================\n");
646
671
g_print ("Selected perspectives and their boxes:\n");
648
std::set<Persp3D *> sel_persps = persp3d_currently_selected_persps (inkscape_active_event_context());
673
std::list<Persp3D *> sel_persps = sp_desktop_selection(inkscape_active_desktop())->perspList();
650
for (std::set<Persp3D *>::iterator j = sel_persps.begin(); j != sel_persps.end(); ++j) {
675
for (std::list<Persp3D *>::iterator j = sel_persps.begin(); j != sel_persps.end(); ++j) {
651
676
Persp3D *persp = SP_PERSP3D(*j);
652
677
g_print (" %s (%d): ", SP_OBJECT_REPR(persp)->attribute("id"), persp->my_counter);
653
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed.begin();
654
i != persp->boxes_transformed.end(); ++i) {
678
for (std::map<SPBox3D *, bool>::iterator i = persp->boxes_transformed->begin();
679
i != persp->boxes_transformed->end(); ++i) {
655
680
g_print ("<%d,%d> ", (*i).first->my_counter, (*i).second);