1 #define __SP_SELECTION_CHEMISTRY_C__
3 /** @file
4 * @brief Miscellanous operations on selected items
5 */
6 /* Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * Frank Felfe <innerspace@iname.com>
9 * MenTaLguY <mental@rydia.net>
10 * bulia byak <buliabyak@users.sf.net>
11 * Andrius R. <knutux@gmail.com>
12 *
13 * Copyright (C) 1999-2006 authors
14 * Copyright (C) 2001-2002 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 */
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
23 #include "selection-chemistry.h"
25 #include <gtkmm/clipboard.h>
27 #include "svg/svg.h"
28 #include "inkscape.h"
29 #include "desktop.h"
30 //#include "desktop-style.h"
31 #include "selection.h"
32 #include "tools-switch.h"
33 #include "desktop-handles.h"
34 #include "message-stack.h"
35 #include "sp-item-transform.h"
36 #include "marker.h"
37 #include "sp-use.h"
38 #include "sp-textpath.h"
39 #include "sp-tspan.h"
40 #include "sp-tref.h"
41 #include "sp-flowtext.h"
42 #include "sp-flowregion.h"
43 #include "text-editing.h"
44 #include "text-context.h"
45 #include "connector-context.h"
46 #include "sp-path.h"
47 #include "sp-conn-end.h"
48 #include "dropper-context.h"
49 #include <glibmm/i18n.h>
50 #include "libnr/nr-matrix-rotate-ops.h"
51 #include "libnr/nr-matrix-translate-ops.h"
52 #include "libnr/nr-rotate-fns.h"
53 #include "libnr/nr-scale-ops.h"
54 #include "libnr/nr-scale-translate-ops.h"
55 #include "libnr/nr-translate-matrix-ops.h"
56 #include "libnr/nr-translate-scale-ops.h"
57 #include "xml/repr.h"
58 #include "style.h"
59 #include "document-private.h"
60 #include "sp-gradient.h"
61 #include "sp-gradient-reference.h"
62 #include "sp-linear-gradient-fns.h"
63 #include "sp-pattern.h"
64 #include "sp-radial-gradient-fns.h"
65 #include "sp-namedview.h"
66 #include "prefs-utils.h"
67 #include "sp-offset.h"
68 #include "sp-clippath.h"
69 #include "sp-mask.h"
70 #include "file.h"
71 #include "helper/png-write.h"
72 #include "layer-fns.h"
73 #include "context-fns.h"
74 #include <map>
75 #include <cstring>
76 #include <string>
77 #include "helper/units.h"
78 #include "sp-item.h"
79 #include "box3d.h"
80 #include "unit-constants.h"
81 #include "xml/simple-document.h"
82 #include "sp-filter-reference.h"
83 #include "gradient-drag.h"
84 #include "uri-references.h"
85 #include "libnr/nr-convert2geom.h"
87 // For clippath editing
88 #include "tools-switch.h"
89 #include "shape-editor.h"
90 #include "node-context.h"
91 #include "nodepath.h"
93 #include "ui/clipboard.h"
95 using NR::X;
96 using NR::Y;
98 /* The clipboard handling is in ui/clipboard.cpp now. There are some legacy functions left here,
99 because the layer manipulation code uses them. It should be rewritten specifically
100 for that purpose. */
102 /**
103 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
104 * then prepends the copy to 'clip'.
105 */
106 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip, Inkscape::XML::Document* xml_doc)
107 {
108 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
110 // copy complete inherited style
111 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
112 sp_repr_css_set(copy, css, "style");
113 sp_repr_css_attr_unref(css);
115 // write the complete accumulated transform passed to us
116 // (we're dealing with unattached repr, so we write to its attr
117 // instead of using sp_item_set_transform)
118 gchar *affinestr=sp_svg_transform_write(full_t);
119 copy->setAttribute("transform", affinestr);
120 g_free(affinestr);
122 *clip = g_slist_prepend(*clip, copy);
123 }
125 void sp_selection_copy_impl (GSList const *items, GSList **clip, Inkscape::XML::Document* xml_doc)
126 {
127 // Sort items:
128 GSList *sorted_items = g_slist_copy ((GSList *) items);
129 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
131 // Copy item reprs:
132 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
133 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip, xml_doc);
134 }
136 *clip = g_slist_reverse(*clip);
137 g_slist_free ((GSList *) sorted_items);
138 }
140 GSList *sp_selection_paste_impl (SPDocument *doc, SPObject *parent, GSList **clip)
141 {
142 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
144 GSList *copied = NULL;
145 // add objects to document
146 for (GSList *l = *clip; l != NULL; l = l->next) {
147 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
148 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
150 // premultiply the item transform by the accumulated parent transform in the paste layer
151 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
152 if (!local.test_identity()) {
153 gchar const *t_str = copy->attribute("transform");
154 NR::Matrix item_t (NR::identity());
155 if (t_str)
156 sp_svg_transform_read(t_str, &item_t);
157 item_t *= local.inverse();
158 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
159 gchar *affinestr=sp_svg_transform_write(item_t);
160 copy->setAttribute("transform", affinestr);
161 g_free(affinestr);
162 }
164 parent->appendChildRepr(copy);
165 copied = g_slist_prepend(copied, copy);
166 Inkscape::GC::release(copy);
167 }
168 return copied;
169 }
171 void sp_selection_delete_impl(GSList const *items, bool propagate = true, bool propagate_descendants = true)
172 {
173 for (GSList const *i = items ; i ; i = i->next ) {
174 sp_object_ref((SPObject *)i->data, NULL);
175 }
176 for (GSList const *i = items; i != NULL; i = i->next) {
177 SPItem *item = (SPItem *) i->data;
178 SP_OBJECT(item)->deleteObject(propagate, propagate_descendants);
179 sp_object_unref((SPObject *)item, NULL);
180 }
181 }
184 void sp_selection_delete()
185 {
186 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
187 if (desktop == NULL) {
188 return;
189 }
191 if (tools_isactive (desktop, TOOLS_TEXT))
192 if (sp_text_delete_selection(desktop->event_context)) {
193 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
194 _("Delete text"));
195 return;
196 }
198 Inkscape::Selection *selection = sp_desktop_selection(desktop);
200 // check if something is selected
201 if (selection->isEmpty()) {
202 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
203 return;
204 }
206 GSList const *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
207 selection->clear();
208 sp_selection_delete_impl (selected);
209 g_slist_free ((GSList *) selected);
211 /* a tool may have set up private information in it's selection context
212 * that depends on desktop items. I think the only sane way to deal with
213 * this currently is to reset the current tool, which will reset it's
214 * associated selection context. For example: deleting an object
215 * while moving it around the canvas.
216 */
217 tools_switch ( desktop, tools_active ( desktop ) );
219 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
220 _("Delete"));
221 }
223 /* fixme: sequencing */
224 void sp_selection_duplicate()
225 {
226 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
227 if (desktop == NULL)
228 return;
230 Inkscape::XML::Document* xml_doc = sp_document_repr_doc(desktop->doc());
231 Inkscape::Selection *selection = sp_desktop_selection(desktop);
233 // check if something is selected
234 if (selection->isEmpty()) {
235 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
236 return;
237 }
239 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
241 selection->clear();
243 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
244 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
246 GSList *newsel = NULL;
248 while (reprs) {
249 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
250 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate(xml_doc);
252 parent->appendChild(copy);
254 newsel = g_slist_prepend(newsel, copy);
255 reprs = g_slist_remove(reprs, reprs->data);
256 Inkscape::GC::release(copy);
257 }
259 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
260 _("Duplicate"));
262 selection->setReprList(newsel);
264 g_slist_free(newsel);
265 }
267 void sp_edit_clear_all()
268 {
269 SPDesktop *dt = SP_ACTIVE_DESKTOP;
270 if (!dt)
271 return;
273 SPDocument *doc = sp_desktop_document(dt);
274 sp_desktop_selection(dt)->clear();
276 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
277 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
279 while (items) {
280 SP_OBJECT (items->data)->deleteObject();
281 items = g_slist_remove(items, items->data);
282 }
284 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
285 _("Delete all"));
286 }
288 GSList *
289 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, GSList const *exclude)
290 {
291 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
292 if (SP_IS_ITEM(child) &&
293 !desktop->isLayer(SP_ITEM(child)) &&
294 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
295 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
296 (!exclude || !g_slist_find ((GSList *) exclude, child))
297 )
298 {
299 list = g_slist_prepend (list, SP_ITEM(child));
300 }
302 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
303 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
304 }
305 }
307 return list;
308 }
310 void sp_edit_select_all_full (bool force_all_layers, bool invert)
311 {
312 SPDesktop *dt = SP_ACTIVE_DESKTOP;
313 if (!dt)
314 return;
316 Inkscape::Selection *selection = sp_desktop_selection(dt);
318 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
320 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
321 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
322 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
324 GSList *items = NULL;
326 GSList const *exclude = NULL;
327 if (invert) {
328 exclude = selection->itemList();
329 }
331 if (force_all_layers)
332 inlayer = PREFS_SELECTION_ALL;
334 switch (inlayer) {
335 case PREFS_SELECTION_LAYER: {
336 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
337 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
338 return;
340 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
342 for (GSList *i = all_items; i; i = i->next) {
343 SPItem *item = SP_ITEM (i->data);
345 if (item && (!onlysensitive || !item->isLocked())) {
346 if (!onlyvisible || !dt->itemIsHidden(item)) {
347 if (!dt->isLayer(item)) {
348 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
349 items = g_slist_prepend (items, item); // leave it in the list
350 }
351 }
352 }
353 }
354 }
356 g_slist_free (all_items);
357 break;
358 }
359 case PREFS_SELECTION_LAYER_RECURSIVE: {
360 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
361 break;
362 }
363 default: {
364 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
365 break;
366 }
367 }
369 selection->setList (items);
371 if (items) {
372 g_slist_free (items);
373 }
374 }
376 void sp_edit_select_all ()
377 {
378 sp_edit_select_all_full (false, false);
379 }
381 void sp_edit_select_all_in_all_layers ()
382 {
383 sp_edit_select_all_full (true, false);
384 }
386 void sp_edit_invert ()
387 {
388 sp_edit_select_all_full (false, true);
389 }
391 void sp_edit_invert_in_all_layers ()
392 {
393 sp_edit_select_all_full (true, true);
394 }
396 void sp_selection_group()
397 {
398 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
399 if (desktop == NULL)
400 return;
402 SPDocument *doc = sp_desktop_document (desktop);
403 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
405 Inkscape::Selection *selection = sp_desktop_selection(desktop);
407 // Check if something is selected.
408 if (selection->isEmpty()) {
409 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
410 return;
411 }
413 GSList const *l = (GSList *) selection->reprList();
415 GSList *p = g_slist_copy((GSList *) l);
417 selection->clear();
419 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
421 // Remember the position and parent of the topmost object.
422 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
423 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
425 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
427 while (p) {
428 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
430 if (current->parent() == topmost_parent) {
431 Inkscape::XML::Node *spnew = current->duplicate(xml_doc);
432 sp_repr_unparent(current);
433 group->appendChild(spnew);
434 Inkscape::GC::release(spnew);
435 topmost --; // only reduce count for those items deleted from topmost_parent
436 } else { // move it to topmost_parent first
437 GSList *temp_clip = NULL;
439 // At this point, current may already have no item, due to its being a clone whose original is already moved away
440 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
441 gchar const *t_str = current->attribute("transform");
442 NR::Matrix item_t (NR::identity());
443 if (t_str)
444 sp_svg_transform_read(t_str, &item_t);
445 item_t *= sp_item_i2doc_affine(SP_ITEM(doc->getObjectByRepr(current->parent())));
446 //FIXME: when moving both clone and original from a transformed group (either by
447 //grouping into another parent, or by cut/paste) the transform from the original's
448 //parent becomes embedded into original itself, and this affects its clones. Fix
449 //this by remembering the transform diffs we write to each item into an array and
450 //then, if this is clone, looking up its original in that array and pre-multiplying
451 //it by the inverse of that original's transform diff.
453 sp_selection_copy_one (current, item_t, &temp_clip, xml_doc);
454 sp_repr_unparent(current);
456 // paste into topmost_parent (temporarily)
457 GSList *copied = sp_selection_paste_impl (doc, doc->getObjectByRepr(topmost_parent), &temp_clip);
458 if (temp_clip) g_slist_free (temp_clip);
459 if (copied) { // if success,
460 // take pasted object (now in topmost_parent)
461 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
462 // make a copy
463 Inkscape::XML::Node *spnew = in_topmost->duplicate(xml_doc);
464 // remove pasted
465 sp_repr_unparent(in_topmost);
466 // put its copy into group
467 group->appendChild(spnew);
468 Inkscape::GC::release(spnew);
469 g_slist_free (copied);
470 }
471 }
472 p = g_slist_remove(p, current);
473 }
475 // Add the new group to the topmost members' parent
476 topmost_parent->appendChild(group);
478 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
479 group->setPosition(topmost + 1);
481 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
482 _("Group"));
484 selection->set(group);
485 Inkscape::GC::release(group);
486 }
488 void sp_selection_ungroup()
489 {
490 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
491 if (desktop == NULL)
492 return;
494 Inkscape::Selection *selection = sp_desktop_selection(desktop);
496 if (selection->isEmpty()) {
497 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
498 return;
499 }
501 GSList *items = g_slist_copy((GSList *) selection->itemList());
502 selection->clear();
504 // Get a copy of current selection.
505 GSList *new_select = NULL;
506 bool ungrouped = false;
507 for (GSList *i = items;
508 i != NULL;
509 i = i->next)
510 {
511 SPItem *group = (SPItem *) i->data;
513 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
514 if (!SP_IS_OBJECT(group)) {
515 continue;
516 }
518 /* We do not allow ungrouping <svg> etc. (lauris) */
519 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
520 // keep the non-group item in the new selection
521 selection->add(group);
522 continue;
523 }
525 GSList *children = NULL;
526 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
527 sp_item_group_ungroup(SP_GROUP(group), &children, false);
528 ungrouped = true;
529 // Add ungrouped items to the new selection.
530 new_select = g_slist_concat(new_select, children);
531 }
533 if (new_select) { // Set new selection.
534 selection->addList(new_select);
535 g_slist_free(new_select);
536 }
537 if (!ungrouped) {
538 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
539 }
541 g_slist_free(items);
543 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
544 _("Ungroup"));
545 }
547 static SPGroup *
548 sp_item_list_common_parent_group(GSList const *items)
549 {
550 if (!items) {
551 return NULL;
552 }
553 SPObject *parent = SP_OBJECT_PARENT(items->data);
554 /* Strictly speaking this CAN happen, if user selects <svg> from Inkscape::XML editor */
555 if (!SP_IS_GROUP(parent)) {
556 return NULL;
557 }
558 for (items = items->next; items; items = items->next) {
559 if (SP_OBJECT_PARENT(items->data) != parent) {
560 return NULL;
561 }
562 }
564 return SP_GROUP(parent);
565 }
567 /** Finds out the minimum common bbox of the selected items. */
568 static NR::Maybe<NR::Rect>
569 enclose_items(GSList const *items)
570 {
571 g_assert(items != NULL);
573 NR::Maybe<NR::Rect> r = NR::Nothing();
574 for (GSList const *i = items; i; i = i->next) {
575 r = NR::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
576 }
577 return r;
578 }
580 SPObject *
581 prev_sibling(SPObject *child)
582 {
583 SPObject *parent = SP_OBJECT_PARENT(child);
584 if (!SP_IS_GROUP(parent)) {
585 return NULL;
586 }
587 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
588 if (i->next == child)
589 return i;
590 }
591 return NULL;
592 }
594 void
595 sp_selection_raise()
596 {
597 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
598 if (!desktop)
599 return;
601 Inkscape::Selection *selection = sp_desktop_selection(desktop);
603 GSList const *items = (GSList *) selection->itemList();
604 if (!items) {
605 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
606 return;
607 }
609 SPGroup const *group = sp_item_list_common_parent_group(items);
610 if (!group) {
611 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
612 return;
613 }
615 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
617 /* Construct reverse-ordered list of selected children. */
618 GSList *rev = g_slist_copy((GSList *) items);
619 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
621 // Determine the common bbox of the selected items.
622 NR::Maybe<NR::Rect> selected = enclose_items(items);
624 // Iterate over all objects in the selection (starting from top).
625 if (selected) {
626 while (rev) {
627 SPObject *child = SP_OBJECT(rev->data);
628 // for each selected object, find the next sibling
629 for (SPObject *newref = child->next; newref; newref = newref->next) {
630 // if the sibling is an item AND overlaps our selection,
631 if (SP_IS_ITEM(newref)) {
632 NR::Maybe<NR::Rect> newref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
633 if ( newref_bbox && selected->intersects(*newref_bbox) ) {
634 // AND if it's not one of our selected objects,
635 if (!g_slist_find((GSList *) items, newref)) {
636 // move the selected object after that sibling
637 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
638 }
639 break;
640 }
641 }
642 }
643 rev = g_slist_remove(rev, child);
644 }
645 } else {
646 g_slist_free(rev);
647 }
649 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
650 //TRANSLATORS: Only put the word "Raise" in the translation. Means "to raise an object" in the undo history
651 Q_("undo_action|Raise"));
652 }
654 void sp_selection_raise_to_top()
655 {
656 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
657 if (desktop == NULL)
658 return;
660 SPDocument *document = sp_desktop_document(desktop);
661 Inkscape::Selection *selection = sp_desktop_selection(desktop);
663 if (selection->isEmpty()) {
664 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
665 return;
666 }
668 GSList const *items = (GSList *) selection->itemList();
670 SPGroup const *group = sp_item_list_common_parent_group(items);
671 if (!group) {
672 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
673 return;
674 }
676 GSList *rl = g_slist_copy((GSList *) selection->reprList());
677 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
679 for (GSList *l = rl; l != NULL; l = l->next) {
680 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
681 repr->setPosition(-1);
682 }
684 g_slist_free(rl);
686 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
687 _("Raise to top"));
688 }
690 void
691 sp_selection_lower()
692 {
693 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
694 if (desktop == NULL)
695 return;
697 Inkscape::Selection *selection = sp_desktop_selection(desktop);
699 GSList const *items = (GSList *) selection->itemList();
700 if (!items) {
701 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
702 return;
703 }
705 SPGroup const *group = sp_item_list_common_parent_group(items);
706 if (!group) {
707 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
708 return;
709 }
711 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
713 // Determine the common bbox of the selected items.
714 NR::Maybe<NR::Rect> selected = enclose_items(items);
716 /* Construct direct-ordered list of selected children. */
717 GSList *rev = g_slist_copy((GSList *) items);
718 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
719 rev = g_slist_reverse(rev);
721 // Iterate over all objects in the selection (starting from top).
722 if (selected) {
723 while (rev) {
724 SPObject *child = SP_OBJECT(rev->data);
725 // for each selected object, find the prev sibling
726 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
727 // if the sibling is an item AND overlaps our selection,
728 if (SP_IS_ITEM(newref)) {
729 NR::Maybe<NR::Rect> ref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
730 if ( ref_bbox && selected->intersects(*ref_bbox) ) {
731 // AND if it's not one of our selected objects,
732 if (!g_slist_find((GSList *) items, newref)) {
733 // move the selected object before that sibling
734 SPObject *put_after = prev_sibling(newref);
735 if (put_after)
736 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
737 else
738 SP_OBJECT_REPR(child)->setPosition(0);
739 }
740 break;
741 }
742 }
743 }
744 rev = g_slist_remove(rev, child);
745 }
746 } else {
747 g_slist_free(rev);
748 }
750 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
751 _("Lower"));
752 }
754 void sp_selection_lower_to_bottom()
755 {
756 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
757 if (desktop == NULL)
758 return;
760 SPDocument *document = sp_desktop_document(desktop);
761 Inkscape::Selection *selection = sp_desktop_selection(desktop);
763 if (selection->isEmpty()) {
764 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
765 return;
766 }
768 GSList const *items = (GSList *) selection->itemList();
770 SPGroup const *group = sp_item_list_common_parent_group(items);
771 if (!group) {
772 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
773 return;
774 }
776 GSList *rl;
777 rl = g_slist_copy((GSList *) selection->reprList());
778 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
779 rl = g_slist_reverse(rl);
781 for (GSList *l = rl; l != NULL; l = l->next) {
782 gint minpos;
783 SPObject *pp, *pc;
784 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
785 pp = document->getObjectByRepr(sp_repr_parent(repr));
786 minpos = 0;
787 g_assert(SP_IS_GROUP(pp));
788 pc = sp_object_first_child(pp);
789 while (!SP_IS_ITEM(pc)) {
790 minpos += 1;
791 pc = pc->next;
792 }
793 repr->setPosition(minpos);
794 }
796 g_slist_free(rl);
798 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
799 _("Lower to bottom"));
800 }
802 void
803 sp_undo(SPDesktop *desktop, SPDocument *)
804 {
805 if (!sp_document_undo(sp_desktop_document(desktop)))
806 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
807 }
809 void
810 sp_redo(SPDesktop *desktop, SPDocument *)
811 {
812 if (!sp_document_redo(sp_desktop_document(desktop)))
813 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
814 }
816 void sp_selection_cut()
817 {
818 sp_selection_copy();
819 sp_selection_delete();
820 }
822 /**
823 * \pre item != NULL
824 */
825 SPCSSAttr *
826 take_style_from_item (SPItem *item)
827 {
828 // write the complete cascaded style, context-free
829 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
830 if (css == NULL)
831 return NULL;
833 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
834 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
835 // if this is a text with exactly one tspan child, merge the style of that tspan as well
836 // If this is a group, merge the style of its topmost (last) child with style
837 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
838 if (SP_OBJECT_STYLE (last_element) != NULL) {
839 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
840 if (temp) {
841 sp_repr_css_merge (css, temp);
842 sp_repr_css_attr_unref (temp);
843 }
844 break;
845 }
846 }
847 }
848 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_TREF(item) || SP_IS_STRING (item))) {
849 // do not copy text properties from non-text objects, it's confusing
850 css = sp_css_attr_unset_text (css);
851 }
853 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
854 double ex = NR::expansion(sp_item_i2doc_affine(item));
855 if (ex != 1.0) {
856 css = sp_css_attr_scale (css, ex);
857 }
859 return css;
860 }
863 void sp_selection_copy()
864 {
865 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
866 cm->copy();
867 }
869 void sp_selection_paste(bool in_place)
870 {
871 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
872 if(cm->paste(in_place))
873 sp_document_done(SP_ACTIVE_DOCUMENT, SP_VERB_EDIT_PASTE, _("Paste"));
874 }
876 void sp_selection_paste_style()
877 {
878 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
879 if(cm->pasteStyle())
880 sp_document_done(SP_ACTIVE_DOCUMENT, SP_VERB_EDIT_PASTE_STYLE, _("Paste style"));
881 }
884 void sp_selection_paste_livepatheffect()
885 {
886 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
887 if(cm->pastePathEffect())
888 sp_document_done(SP_ACTIVE_DOCUMENT, SP_VERB_EDIT_PASTE_LIVEPATHEFFECT,
889 _("Paste live path effect"));
890 }
893 void sp_selection_remove_livepatheffect_impl(SPItem *item)
894 {
895 if ( item && SP_IS_LPE_ITEM(item) ) {
896 sp_lpe_item_remove_path_effect(SP_LPE_ITEM(item), false);
897 }
898 }
900 void sp_selection_remove_livepatheffect()
901 {
902 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
903 if (desktop == NULL) return;
905 Inkscape::Selection *selection = sp_desktop_selection(desktop);
907 // check if something is selected
908 if (selection->isEmpty()) {
909 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove live path effects from."));
910 return;
911 }
913 for ( GSList const *itemlist = selection->itemList(); itemlist != NULL; itemlist = g_slist_next(itemlist) ) {
914 SPItem *item = reinterpret_cast<SPItem*>(itemlist->data);
916 sp_selection_remove_livepatheffect_impl(item);
918 }
920 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_LIVEPATHEFFECT,
921 _("Remove live path effect"));
922 }
924 void sp_selection_paste_size (bool apply_x, bool apply_y)
925 {
926 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
927 if(cm->pasteSize(false, apply_x, apply_y))
928 sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_EDIT_PASTE_SIZE,
929 _("Paste size"));
930 }
932 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
933 {
934 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
935 if(cm->pasteSize(true, apply_x, apply_y))
936 sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
937 _("Paste size separately"));
938 }
940 void sp_selection_to_next_layer ()
941 {
942 SPDesktop *dt = SP_ACTIVE_DESKTOP;
944 Inkscape::Selection *selection = sp_desktop_selection(dt);
946 // check if something is selected
947 if (selection->isEmpty()) {
948 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
949 return;
950 }
952 GSList const *items = g_slist_copy ((GSList *) selection->itemList());
954 bool no_more = false; // Set to true, if no more layers above
955 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
956 if (next) {
957 GSList *temp_clip = NULL;
958 sp_selection_copy_impl (items, &temp_clip, sp_document_repr_doc(dt->doc()));
959 sp_selection_delete_impl (items, false, false);
960 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
961 GSList *copied;
962 if(next) {
963 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip);
964 } else {
965 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip);
966 no_more = true;
967 }
968 selection->setReprList((GSList const *) copied);
969 g_slist_free (copied);
970 if (temp_clip) g_slist_free (temp_clip);
971 if (next) dt->setCurrentLayer(next);
972 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
973 _("Raise to next layer"));
974 } else {
975 no_more = true;
976 }
978 if (no_more) {
979 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
980 }
982 g_slist_free ((GSList *) items);
983 }
985 void sp_selection_to_prev_layer ()
986 {
987 SPDesktop *dt = SP_ACTIVE_DESKTOP;
989 Inkscape::Selection *selection = sp_desktop_selection(dt);
991 // check if something is selected
992 if (selection->isEmpty()) {
993 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
994 return;
995 }
997 GSList const *items = g_slist_copy ((GSList *) selection->itemList());
999 bool no_more = false; // Set to true, if no more layers below
1000 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1001 if (next) {
1002 GSList *temp_clip = NULL;
1003 sp_selection_copy_impl (items, &temp_clip, sp_document_repr_doc(dt->doc())); // we're in the same doc, so no need to copy defs
1004 sp_selection_delete_impl (items, false, false);
1005 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1006 GSList *copied;
1007 if(next) {
1008 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip);
1009 } else {
1010 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip);
1011 no_more = true;
1012 }
1013 selection->setReprList((GSList const *) copied);
1014 g_slist_free (copied);
1015 if (temp_clip) g_slist_free (temp_clip);
1016 if (next) dt->setCurrentLayer(next);
1017 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1018 _("Lower to previous layer"));
1019 } else {
1020 no_more = true;
1021 }
1023 if (no_more) {
1024 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1025 }
1027 g_slist_free ((GSList *) items);
1028 }
1030 bool
1031 selection_contains_original (SPItem *item, Inkscape::Selection *selection)
1032 {
1033 bool contains_original = false;
1035 bool is_use = SP_IS_USE(item);
1036 SPItem *item_use = item;
1037 SPItem *item_use_first = item;
1038 while (is_use && item_use && !contains_original)
1039 {
1040 item_use = sp_use_get_original (SP_USE(item_use));
1041 contains_original |= selection->includes(item_use);
1042 if (item_use == item_use_first)
1043 break;
1044 is_use = SP_IS_USE(item_use);
1045 }
1047 // If it's a tref, check whether the object containing the character
1048 // data is part of the selection
1049 if (!contains_original && SP_IS_TREF(item)) {
1050 contains_original = selection->includes(SP_TREF(item)->getObjectReferredTo());
1051 }
1053 return contains_original;
1054 }
1057 bool
1058 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1059 {
1060 bool clone_with_original = false;
1061 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1062 SPItem *item = SP_ITEM(l->data);
1063 clone_with_original |= selection_contains_original(item, selection);
1064 if (clone_with_original)
1065 break;
1066 }
1067 return clone_with_original;
1068 }
1071 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1072 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1073 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1074 that case, items are already in the new position, but the repr is in the old, and this function
1075 then simply updates the repr from item->transform.
1076 */
1077 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1078 {
1079 if (selection->isEmpty())
1080 return;
1082 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1083 SPItem *item = SP_ITEM(l->data);
1085 NR::Point old_center(0,0);
1086 if (set_i2d && item->isCenterSet())
1087 old_center = item->getCenter();
1089 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1090 At the time of writing, this is the only place to re-enable. */
1091 sp_item_update_cns(*item, selection->desktop());
1092 #endif
1094 // we're moving both a clone and its original or any ancestor in clone chain?
1095 bool transform_clone_with_original = selection_contains_original(item, selection);
1096 // ...both a text-on-path and its path?
1097 bool transform_textpath_with_path = (SP_IS_TEXT_TEXTPATH(item) && selection->includes( sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item)))) ));
1098 // ...both a flowtext and its frame?
1099 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // (only the first frame is checked so far)
1100 // ...both an offset and its source?
1101 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1103 // If we're moving a connector, we want to detach it
1104 // from shapes that aren't part of the selection, but
1105 // leave it attached if they are
1106 if (cc_item_is_connector(item)) {
1107 SPItem *attItem[2];
1108 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1110 for (int n = 0; n < 2; ++n) {
1111 if (!selection->includes(attItem[n])) {
1112 sp_conn_end_detach(item, n);
1113 }
1114 }
1115 }
1117 // "clones are unmoved when original is moved" preference
1118 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1119 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1120 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1122 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1123 // transform of its original and respond to it itself. Without this, a clone is doubly
1124 // transformed, very unintuitive.
1125 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1126 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1127 // Same for linked offset if we are also moving its source: do not move it.
1128 if (transform_textpath_with_path || transform_offset_with_source) {
1129 // restore item->transform field from the repr, in case it was changed by seltrans
1130 sp_object_read_attr (SP_OBJECT (item), "transform");
1132 } else if (transform_flowtext_with_frame) {
1133 // apply the inverse of the region's transform to the <use> so that the flow remains
1134 // the same (even though the output itself gets transformed)
1135 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1136 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1137 continue;
1138 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1139 if (!SP_IS_USE(use)) continue;
1140 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1141 }
1142 }
1143 } else if (transform_clone_with_original) {
1144 // We are transforming a clone along with its original. The below matrix juggling is
1145 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1146 // transform and its move compensation are both cancelled out.
1148 // restore item->transform field from the repr, in case it was changed by seltrans
1149 sp_object_read_attr (SP_OBJECT (item), "transform");
1151 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1152 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1153 NR::Matrix t = parent_transform * matrix_to_desktop (matrix_from_desktop (affine, item), item) * parent_transform.inverse();
1154 NR::Matrix t_inv =parent_transform * matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item) * parent_transform.inverse();
1155 NR::Matrix result = t_inv * item->transform * t;
1157 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1158 // we need to cancel out the move compensation, too
1160 // find out the clone move, same as in sp_use_move_compensate
1161 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1162 NR::Matrix clone_move = parent.inverse() * t * parent;
1164 if (prefs_parallel) {
1165 NR::Matrix move = result * clone_move * t_inv;
1166 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1168 } else if (prefs_unmoved) {
1169 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1170 // clone_move = NR::identity();
1171 NR::Matrix move = result * clone_move;
1172 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1173 }
1175 } else {
1176 // just apply the result
1177 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1178 }
1180 } else {
1181 if (set_i2d) {
1182 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1183 }
1184 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1185 }
1187 // if we're moving the actual object, not just updating the repr, we can transform the
1188 // center by the same matrix (only necessary for non-translations)
1189 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1190 item->setCenter(old_center * affine);
1191 SP_OBJECT(item)->updateRepr();
1192 }
1193 }
1194 }
1196 void sp_selection_remove_transform()
1197 {
1198 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1199 if (desktop == NULL)
1200 return;
1202 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1204 GSList const *l = (GSList *) selection->reprList();
1205 while (l != NULL) {
1206 ((Inkscape::XML::Node*)l->data)->setAttribute("transform", NULL, false);
1207 l = l->next;
1208 }
1210 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1211 _("Remove transform"));
1212 }
1214 void
1215 sp_selection_scale_absolute(Inkscape::Selection *selection,
1216 double const x0, double const x1,
1217 double const y0, double const y1)
1218 {
1219 if (selection->isEmpty())
1220 return;
1222 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1223 if ( !bbox || bbox->isEmpty() ) {
1224 return;
1225 }
1227 NR::translate const p2o(-bbox->min());
1229 NR::scale const newSize(x1 - x0,
1230 y1 - y0);
1231 NR::scale const scale( newSize / NR::scale(bbox->dimensions()) );
1232 NR::translate const o2n(x0, y0);
1233 NR::Matrix const final( p2o * scale * o2n );
1235 sp_selection_apply_affine(selection, final);
1236 }
1239 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1240 {
1241 if (selection->isEmpty())
1242 return;
1244 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1246 if ( !bbox || bbox->isEmpty() ) {
1247 return;
1248 }
1250 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1251 if ( bbox->extent(NR::X) * scale[NR::X] > 1e6 ||
1252 bbox->extent(NR::Y) * scale[NR::Y] > 1e6 )
1253 {
1254 return;
1255 }
1257 NR::translate const n2d(-align);
1258 NR::translate const d2n(align);
1259 NR::Matrix const final( n2d * scale * d2n );
1260 sp_selection_apply_affine(selection, final);
1261 }
1263 void
1264 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1265 {
1266 NR::translate const d2n(center);
1267 NR::translate const n2d(-center);
1268 NR::rotate const rotate(rotate_degrees(angle_degrees));
1269 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1270 sp_selection_apply_affine(selection, final);
1271 }
1273 void
1274 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1275 {
1276 NR::translate const d2n(align);
1277 NR::translate const n2d(-align);
1278 NR::Matrix const skew(1, dy,
1279 dx, 1,
1280 0, 0);
1281 NR::Matrix const final( n2d * skew * d2n );
1282 sp_selection_apply_affine(selection, final);
1283 }
1285 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1286 {
1287 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1288 }
1290 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1291 {
1292 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1293 }
1296 /**
1297 * \brief sp_selection_rotate_90
1298 *
1299 * This function rotates selected objects 90 degrees clockwise.
1300 *
1301 */
1303 void sp_selection_rotate_90_cw()
1304 {
1305 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1307 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1309 if (selection->isEmpty())
1310 return;
1312 GSList const *l = selection->itemList();
1313 NR::rotate const rot_neg_90(NR::Point(0, -1));
1314 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1315 SPItem *item = SP_ITEM(l2->data);
1316 sp_item_rotate_rel(item, rot_neg_90);
1317 }
1319 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1320 _("Rotate 90° CW"));
1321 }
1324 /**
1325 * @brief Rotates selected objects 90 degrees counter-clockwise.
1326 */
1327 void sp_selection_rotate_90_ccw()
1328 {
1329 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1331 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1333 if (selection->isEmpty())
1334 return;
1336 GSList const *l = selection->itemList();
1337 NR::rotate const rot_neg_90(NR::Point(0, 1));
1338 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1339 SPItem *item = SP_ITEM(l2->data);
1340 sp_item_rotate_rel(item, rot_neg_90);
1341 }
1343 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1344 _("Rotate 90° CCW"));
1345 }
1347 void
1348 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1349 {
1350 if (selection->isEmpty())
1351 return;
1353 NR::Maybe<NR::Point> center = selection->center();
1354 if (!center) {
1355 return;
1356 }
1358 sp_selection_rotate_relative(selection, *center, angle_degrees);
1360 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1361 ( ( angle_degrees > 0 )
1362 ? "selector:rotate:ccw"
1363 : "selector:rotate:cw" ),
1364 SP_VERB_CONTEXT_SELECT,
1365 _("Rotate"));
1366 }
1368 /**
1369 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1370 */
1371 void
1372 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1373 {
1374 if (selection->isEmpty())
1375 return;
1377 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1378 NR::Maybe<NR::Point> center = selection->center();
1380 if ( !bbox || !center ) {
1381 return;
1382 }
1384 gdouble const zoom = selection->desktop()->current_zoom();
1385 gdouble const zmove = angle / zoom;
1386 gdouble const r = NR::L2(bbox->cornerFarthestFrom(*center) - *center);
1388 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1390 sp_selection_rotate_relative(selection, *center, zangle);
1392 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1393 ( (angle > 0)
1394 ? "selector:rotate:ccw"
1395 : "selector:rotate:cw" ),
1396 SP_VERB_CONTEXT_SELECT,
1397 _("Rotate by pixels"));
1398 }
1400 void
1401 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1402 {
1403 if (selection->isEmpty())
1404 return;
1406 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1407 if (!bbox) {
1408 return;
1409 }
1411 NR::Point const center(bbox->midpoint());
1413 // you can't scale "do nizhe pola" (below zero)
1414 double const max_len = bbox->maxExtent();
1415 if ( max_len + grow <= 1e-3 ) {
1416 return;
1417 }
1419 double const times = 1.0 + grow / max_len;
1420 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1422 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1423 ( (grow > 0)
1424 ? "selector:scale:larger"
1425 : "selector:scale:smaller" ),
1426 SP_VERB_CONTEXT_SELECT,
1427 _("Scale"));
1428 }
1430 void
1431 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1432 {
1433 sp_selection_scale(selection,
1434 grow_pixels / selection->desktop()->current_zoom());
1435 }
1437 void
1438 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1439 {
1440 if (selection->isEmpty())
1441 return;
1443 NR::Maybe<NR::Rect> sel_bbox = selection->bounds();
1445 if (!sel_bbox) {
1446 return;
1447 }
1449 NR::Point const center(sel_bbox->midpoint());
1450 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1451 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1452 _("Scale by whole factor"));
1453 }
1455 void
1456 sp_selection_move(gdouble dx, gdouble dy)
1457 {
1458 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1459 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1460 if (selection->isEmpty()) {
1461 return;
1462 }
1464 sp_selection_move_relative(selection, dx, dy);
1466 if (dx == 0) {
1467 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1468 _("Move vertically"));
1469 } else if (dy == 0) {
1470 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1471 _("Move horizontally"));
1472 } else {
1473 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1474 _("Move"));
1475 }
1476 }
1478 void
1479 sp_selection_move_screen(gdouble dx, gdouble dy)
1480 {
1481 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1483 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1484 if (selection->isEmpty()) {
1485 return;
1486 }
1488 // same as sp_selection_move but divide deltas by zoom factor
1489 gdouble const zoom = desktop->current_zoom();
1490 gdouble const zdx = dx / zoom;
1491 gdouble const zdy = dy / zoom;
1492 sp_selection_move_relative(selection, zdx, zdy);
1494 if (dx == 0) {
1495 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1496 _("Move vertically by pixels"));
1497 } else if (dy == 0) {
1498 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1499 _("Move horizontally by pixels"));
1500 } else {
1501 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1502 _("Move"));
1503 }
1504 }
1506 namespace {
1508 template <typename D>
1509 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1510 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1512 template <typename D>
1513 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1514 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1516 struct Forward {
1517 typedef SPObject *Iterator;
1519 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1520 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1521 static void dispose(Iterator /*i*/) {}
1523 static SPObject *object(Iterator i) { return i; }
1524 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1525 };
1527 struct Reverse {
1528 typedef GSList *Iterator;
1530 static Iterator children(SPObject *o) {
1531 return make_list(o->firstChild(), NULL);
1532 }
1533 static Iterator siblings_after(SPObject *o) {
1534 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1535 }
1536 static void dispose(Iterator i) {
1537 g_slist_free(i);
1538 }
1540 static SPObject *object(Iterator i) {
1541 return reinterpret_cast<SPObject *>(i->data);
1542 }
1543 static Iterator next(Iterator i) { return i->next; }
1545 private:
1546 static GSList *make_list(SPObject *object, SPObject *limit) {
1547 GSList *list=NULL;
1548 while ( object != limit ) {
1549 list = g_slist_prepend(list, object);
1550 object = SP_OBJECT_NEXT(object);
1551 }
1552 return list;
1553 }
1554 };
1556 }
1558 void
1559 sp_selection_item_next(void)
1560 {
1561 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1562 g_return_if_fail(desktop != NULL);
1563 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1565 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1566 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1567 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1569 SPObject *root;
1570 if (PREFS_SELECTION_ALL != inlayer) {
1571 root = selection->activeContext();
1572 } else {
1573 root = desktop->currentRoot();
1574 }
1576 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1578 if (item) {
1579 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1580 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1581 scroll_to_show_item(desktop, item);
1582 }
1583 }
1584 }
1586 void
1587 sp_selection_item_prev(void)
1588 {
1589 SPDocument *document = SP_ACTIVE_DOCUMENT;
1590 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1591 g_return_if_fail(document != NULL);
1592 g_return_if_fail(desktop != NULL);
1593 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1595 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1596 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1597 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1599 SPObject *root;
1600 if (PREFS_SELECTION_ALL != inlayer) {
1601 root = selection->activeContext();
1602 } else {
1603 root = desktop->currentRoot();
1604 }
1606 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1608 if (item) {
1609 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1610 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1611 scroll_to_show_item(desktop, item);
1612 }
1613 }
1614 }
1616 void sp_selection_next_patheffect_param(SPDesktop * dt)
1617 {
1618 if (!dt) return;
1620 Inkscape::Selection *selection = sp_desktop_selection(dt);
1621 if ( selection && !selection->isEmpty() ) {
1622 SPItem *item = selection->singleItem();
1623 if ( item && SP_IS_SHAPE(item)) {
1624 if (sp_lpe_item_has_path_effect(SP_LPE_ITEM(item))) {
1625 sp_lpe_item_edit_next_param_oncanvas(SP_LPE_ITEM(item), dt);
1626 } else {
1627 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied path effect."));
1628 }
1629 }
1630 }
1631 }
1633 void sp_selection_edit_clip_or_mask(SPDesktop * dt, bool clip)
1634 {
1635 if (!dt) return;
1637 Inkscape::Selection *selection = sp_desktop_selection(dt);
1638 if ( selection && !selection->isEmpty() ) {
1639 SPItem *item = selection->singleItem();
1640 if ( item ) {
1641 SPObject *obj = NULL;
1642 if (clip)
1643 obj = item->clip_ref ? SP_OBJECT(item->clip_ref->getObject()) : NULL;
1644 else
1645 obj = item->mask_ref ? SP_OBJECT(item->mask_ref->getObject()) : NULL;
1647 if (obj) {
1648 // obj is a group object, the children are the actual clippers
1649 for ( SPObject *child = obj->children ; child ; child = child->next ) {
1650 if ( SP_IS_ITEM(child) ) {
1651 // If not already in nodecontext, goto it!
1652 if (!tools_isactive(dt, TOOLS_NODES)) {
1653 tools_switch_current(TOOLS_NODES);
1654 }
1656 ShapeEditor * shape_editor = SP_NODE_CONTEXT( dt->event_context )->shape_editor;
1657 shape_editor->set_item(SP_ITEM(child));
1658 Inkscape::NodePath::Path *np = shape_editor->get_nodepath();
1659 if (np) {
1660 // take colors from prefs (same as used in outline mode)
1661 np->helperpath_rgba = clip ?
1662 prefs_get_int_attribute("options.wireframecolors", "clips", 0x00ff00ff) :
1663 prefs_get_int_attribute("options.wireframecolors", "masks", 0x0000ffff);
1664 np->helperpath_width = 1.0;
1665 sp_nodepath_show_helperpath(np, true);
1666 }
1667 break; // break out of for loop after 1st encountered item
1668 }
1669 }
1670 } else if (clip) {
1671 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied clip path."));
1672 } else {
1673 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied mask."));
1674 }
1675 }
1676 }
1677 }
1680 namespace {
1682 template <typename D>
1683 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1684 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1685 {
1686 SPObject *current=root;
1687 while (items) {
1688 SPItem *item=SP_ITEM(items->data);
1689 if ( root->isAncestorOf(item) &&
1690 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1691 {
1692 current = item;
1693 break;
1694 }
1695 items = items->next;
1696 }
1698 GSList *path=NULL;
1699 while ( current != root ) {
1700 path = g_slist_prepend(path, current);
1701 current = SP_OBJECT_PARENT(current);
1702 }
1704 SPItem *next;
1705 // first, try from the current object
1706 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1707 g_slist_free(path);
1709 if (!next) { // if we ran out of objects, start over at the root
1710 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1711 }
1713 return next;
1714 }
1716 template <typename D>
1717 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1718 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1719 {
1720 typename D::Iterator children;
1721 typename D::Iterator iter;
1723 SPItem *found=NULL;
1725 if (path) {
1726 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1727 g_assert(SP_OBJECT_PARENT(object) == root);
1728 if (desktop->isLayer(object)) {
1729 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1730 }
1731 iter = children = D::siblings_after(object);
1732 } else {
1733 iter = children = D::children(root);
1734 }
1736 while ( iter && !found ) {
1737 SPObject *object=D::object(iter);
1738 if (desktop->isLayer(object)) {
1739 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1740 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1741 }
1742 } else if ( SP_IS_ITEM(object) &&
1743 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1744 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1745 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1746 !desktop->isLayer(SP_ITEM(object)) )
1747 {
1748 found = SP_ITEM(object);
1749 }
1750 iter = D::next(iter);
1751 }
1753 D::dispose(children);
1755 return found;
1756 }
1758 }
1760 /**
1761 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1762 * \a item.
1763 */
1764 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1765 {
1766 NR::Rect dbox = desktop->get_display_area();
1767 NR::Maybe<NR::Rect> sbox = sp_item_bbox_desktop(item);
1769 if ( sbox && dbox.contains(*sbox) == false ) {
1770 NR::Point const s_dt = sbox->midpoint();
1771 NR::Point const s_w = desktop->d2w(s_dt);
1772 NR::Point const d_dt = dbox.midpoint();
1773 NR::Point const d_w = desktop->d2w(d_dt);
1774 NR::Point const moved_w( d_w - s_w );
1775 gint const dx = (gint) moved_w[X];
1776 gint const dy = (gint) moved_w[Y];
1777 desktop->scroll_world(dx, dy);
1778 }
1779 }
1782 void
1783 sp_selection_clone()
1784 {
1785 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1786 if (desktop == NULL)
1787 return;
1789 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1791 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
1793 // check if something is selected
1794 if (selection->isEmpty()) {
1795 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1796 return;
1797 }
1799 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1801 selection->clear();
1803 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1804 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1806 GSList *newsel = NULL;
1808 while (reprs) {
1809 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1810 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1812 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
1813 clone->setAttribute("x", "0", false);
1814 clone->setAttribute("y", "0", false);
1815 clone->setAttribute("xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")), false);
1817 clone->setAttribute("inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"), false);
1818 clone->setAttribute("inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"), false);
1820 // add the new clone to the top of the original's parent
1821 parent->appendChild(clone);
1823 newsel = g_slist_prepend(newsel, clone);
1824 reprs = g_slist_remove(reprs, sel_repr);
1825 Inkscape::GC::release(clone);
1826 }
1828 // TRANSLATORS: only translate "string" in "context|string".
1829 // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
1830 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
1831 Q_("action|Clone"));
1833 selection->setReprList(newsel);
1835 g_slist_free(newsel);
1836 }
1838 void
1839 sp_selection_unlink()
1840 {
1841 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1842 if (!desktop)
1843 return;
1845 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1847 if (selection->isEmpty()) {
1848 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
1849 return;
1850 }
1852 // Get a copy of current selection.
1853 GSList *new_select = NULL;
1854 bool unlinked = false;
1855 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
1856 items != NULL;
1857 items = items->next)
1858 {
1859 SPItem *item = (SPItem *) items->data;
1861 if (SP_IS_TEXT(item)) {
1862 SPObject *tspan = sp_tref_convert_to_tspan(SP_OBJECT(item));
1864 if (tspan) {
1865 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
1866 }
1868 // Set unlink to true, and fall into the next if which
1869 // will include this text item in the new selection
1870 unlinked = true;
1871 }
1873 if (!(SP_IS_USE(item) || SP_IS_TREF(item))) {
1874 // keep the non-use item in the new selection
1875 new_select = g_slist_prepend(new_select, item);
1876 continue;
1877 }
1879 SPItem *unlink;
1880 if (SP_IS_USE(item)) {
1881 unlink = sp_use_unlink(SP_USE(item));
1882 } else /*if (SP_IS_TREF(use))*/ {
1883 unlink = SP_ITEM(sp_tref_convert_to_tspan(SP_OBJECT(item)));
1884 }
1886 unlinked = true;
1887 // Add ungrouped items to the new selection.
1888 new_select = g_slist_prepend(new_select, unlink);
1889 }
1891 if (new_select) { // set new selection
1892 selection->clear();
1893 selection->setList(new_select);
1894 g_slist_free(new_select);
1895 }
1896 if (!unlinked) {
1897 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
1898 }
1900 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
1901 _("Unlink clone"));
1902 }
1904 void
1905 sp_select_clone_original()
1906 {
1907 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1908 if (desktop == NULL)
1909 return;
1911 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1913 SPItem *item = selection->singleItem();
1915 gchar const *error = _("Select a <b>clone</b> to go to its original. Select a <b>linked offset</b> to go to its source. Select a <b>text on path</b> to go to the path. Select a <b>flowed text</b> to go to its frame.");
1917 // Check if other than two objects are selected
1918 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
1919 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
1920 return;
1921 }
1923 SPItem *original = NULL;
1924 if (SP_IS_USE(item)) {
1925 original = sp_use_get_original (SP_USE(item));
1926 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
1927 original = sp_offset_get_source (SP_OFFSET(item));
1928 } else if (SP_IS_TEXT_TEXTPATH(item)) {
1929 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
1930 } else if (SP_IS_FLOWTEXT(item)) {
1931 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
1932 } else { // it's an object that we don't know what to do with
1933 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
1934 return;
1935 }
1937 if (!original) {
1938 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
1939 return;
1940 }
1942 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
1943 if (SP_IS_DEFS (o)) {
1944 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
1945 return;
1946 }
1947 }
1949 if (original) {
1950 selection->clear();
1951 selection->set(original);
1952 if (SP_CYCLING == SP_CYCLE_FOCUS) {
1953 scroll_to_show_item(desktop, original);
1954 }
1955 }
1956 }
1959 void sp_selection_to_marker(bool apply)
1960 {
1961 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1962 if (desktop == NULL)
1963 return;
1965 SPDocument *doc = sp_desktop_document(desktop);
1966 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
1968 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1970 // check if something is selected
1971 if (selection->isEmpty()) {
1972 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to marker."));
1973 return;
1974 }
1976 sp_document_ensure_up_to_date(doc);
1977 NR::Maybe<NR::Rect> r = selection->bounds();
1978 NR::Maybe<NR::Point> c = selection->center();
1979 if ( !r || !c || r->isEmpty() ) {
1980 return;
1981 }
1983 // calculate the transform to be applied to objects to move them to 0,0
1984 NR::Point move_p = NR::Point(0, sp_document_height(doc)) - *c;
1985 move_p[NR::Y] = -move_p[NR::Y];
1986 NR::Matrix move = NR::Matrix (NR::translate (move_p));
1988 GSList *items = g_slist_copy((GSList *) selection->itemList());
1990 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
1992 // bottommost object, after sorting
1993 SPObject *parent = SP_OBJECT_PARENT (items->data);
1995 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
1997 // remember the position of the first item
1998 gint pos = SP_OBJECT_REPR (items->data)->position();
1999 (void)pos; // TODO check why this was remembered
2001 // create a list of duplicates
2002 GSList *repr_copies = NULL;
2003 for (GSList *i = items; i != NULL; i = i->next) {
2004 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2005 repr_copies = g_slist_prepend (repr_copies, dup);
2006 }
2008 NR::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2010 if (apply) {
2011 // delete objects so that their clones don't get alerted; this object will be restored shortly
2012 for (GSList *i = items; i != NULL; i = i->next) {
2013 SPObject *item = SP_OBJECT (i->data);
2014 item->deleteObject (false);
2015 }
2016 }
2018 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2019 // without disturbing clones.
2020 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2021 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2022 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2024 gchar const *mark_id = generate_marker(repr_copies, bounds, doc,
2025 ( NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r->min()[NR::X],
2026 r->max()[NR::Y]))))
2027 * parent_transform.inverse() ),
2028 parent_transform * move);
2029 (void)mark_id;
2031 // restore compensation setting
2032 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2035 g_slist_free (items);
2037 sp_document_done (doc, SP_VERB_EDIT_SELECTION_2_MARKER,
2038 _("Objects to marker"));
2039 }
2041 static void sp_selection_to_guides_recursive(SPItem *item, bool deleteitem, bool wholegroups) {
2042 if (SP_IS_GROUP(item) && !SP_IS_BOX3D(item) && !wholegroups) {
2043 for (GSList *i = sp_item_group_item_list (SP_GROUP(item)); i != NULL; i = i->next) {
2044 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2045 }
2046 } else {
2047 sp_item_convert_item_to_guides(item);
2049 if (deleteitem) {
2050 SP_OBJECT(item)->deleteObject(true);
2051 }
2052 }
2053 }
2055 void sp_selection_to_guides()
2056 {
2057 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2058 if (desktop == NULL)
2059 return;
2061 SPDocument *doc = sp_desktop_document(desktop);
2062 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2063 // we need to copy the list because it gets reset when objects are deleted
2064 GSList *items = g_slist_copy((GSList *) selection->itemList());
2066 if (!items) {
2067 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to guides."));
2068 return;
2069 }
2071 bool deleteitem = (prefs_get_int_attribute("tools", "cvg_keep_objects", 0) == 0);
2072 bool wholegroups = (prefs_get_int_attribute("tools", "cvg_convert_whole_groups", 0) != 0);
2074 for (GSList const *i = items; i != NULL; i = i->next) {
2075 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2076 }
2078 sp_document_done (doc, SP_VERB_EDIT_SELECTION_2_GUIDES, _("Objects to guides"));
2079 }
2081 void
2082 sp_selection_tile(bool apply)
2083 {
2084 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2085 if (desktop == NULL)
2086 return;
2088 SPDocument *doc = sp_desktop_document(desktop);
2089 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2091 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2093 // check if something is selected
2094 if (selection->isEmpty()) {
2095 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2096 return;
2097 }
2099 sp_document_ensure_up_to_date(doc);
2100 NR::Maybe<NR::Rect> r = selection->bounds();
2101 if ( !r || r->isEmpty() ) {
2102 return;
2103 }
2105 // calculate the transform to be applied to objects to move them to 0,0
2106 NR::Point move_p = NR::Point(0, sp_document_height(doc)) - (r->min() + NR::Point (0, r->extent(NR::Y)));
2107 move_p[NR::Y] = -move_p[NR::Y];
2108 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2110 GSList *items = g_slist_copy((GSList *) selection->itemList());
2112 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2114 // bottommost object, after sorting
2115 SPObject *parent = SP_OBJECT_PARENT (items->data);
2117 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
2119 // remember the position of the first item
2120 gint pos = SP_OBJECT_REPR (items->data)->position();
2122 // create a list of duplicates
2123 GSList *repr_copies = NULL;
2124 for (GSList *i = items; i != NULL; i = i->next) {
2125 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2126 repr_copies = g_slist_prepend (repr_copies, dup);
2127 }
2128 // restore the z-order after prepends
2129 repr_copies = g_slist_reverse (repr_copies);
2131 NR::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2133 if (apply) {
2134 // delete objects so that their clones don't get alerted; this object will be restored shortly
2135 for (GSList *i = items; i != NULL; i = i->next) {
2136 SPObject *item = SP_OBJECT (i->data);
2137 item->deleteObject (false);
2138 }
2139 }
2141 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2142 // without disturbing clones.
2143 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2144 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2145 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2147 gchar const *pat_id = pattern_tile(repr_copies, bounds, doc,
2148 ( NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r->min()[NR::X],
2149 r->max()[NR::Y]))))
2150 * parent_transform.inverse() ),
2151 parent_transform * move);
2153 // restore compensation setting
2154 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2156 if (apply) {
2157 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2158 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2160 NR::Point min = bounds.min() * parent_transform.inverse();
2161 NR::Point max = bounds.max() * parent_transform.inverse();
2163 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2164 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2165 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2166 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2168 // restore parent and position
2169 SP_OBJECT_REPR (parent)->appendChild(rect);
2170 rect->setPosition(pos > 0 ? pos : 0);
2171 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2173 Inkscape::GC::release(rect);
2175 selection->clear();
2176 selection->set(rectangle);
2177 }
2179 g_slist_free (items);
2181 sp_document_done (doc, SP_VERB_EDIT_TILE,
2182 _("Objects to pattern"));
2183 }
2185 void
2186 sp_selection_untile()
2187 {
2188 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2189 if (desktop == NULL)
2190 return;
2192 SPDocument *doc = sp_desktop_document(desktop);
2193 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2195 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2197 // check if something is selected
2198 if (selection->isEmpty()) {
2199 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2200 return;
2201 }
2203 GSList *new_select = NULL;
2205 bool did = false;
2207 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2208 items != NULL;
2209 items = items->next) {
2211 SPItem *item = (SPItem *) items->data;
2213 SPStyle *style = SP_OBJECT_STYLE (item);
2215 if (!style || !style->fill.isPaintserver())
2216 continue;
2218 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2220 if (!SP_IS_PATTERN(server))
2221 continue;
2223 did = true;
2225 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2227 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2228 pat_transform *= item->transform;
2230 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2231 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2232 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2234 // FIXME: relink clones to the new canvas objects
2235 // use SPObject::setid when mental finishes it to steal ids of
2237 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2238 sp_document_ensure_up_to_date (doc);
2240 NR::Matrix transform( i->transform * pat_transform );
2241 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2243 new_select = g_slist_prepend(new_select, i);
2244 }
2246 SPCSSAttr *css = sp_repr_css_attr_new ();
2247 sp_repr_css_set_property (css, "fill", "none");
2248 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2249 }
2251 if (!did) {
2252 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2253 } else {
2254 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2255 _("Pattern to objects"));
2256 selection->setList(new_select);
2257 }
2258 }
2260 void
2261 sp_selection_get_export_hints (Inkscape::Selection *selection, char const **filename, float *xdpi, float *ydpi)
2262 {
2263 if (selection->isEmpty()) {
2264 return;
2265 }
2267 GSList const *reprlst = selection->reprList();
2268 bool filename_search = TRUE;
2269 bool xdpi_search = TRUE;
2270 bool ydpi_search = TRUE;
2272 for(; reprlst != NULL &&
2273 filename_search &&
2274 xdpi_search &&
2275 ydpi_search;
2276 reprlst = reprlst->next) {
2277 gchar const *dpi_string;
2278 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2280 if (filename_search) {
2281 *filename = repr->attribute("inkscape:export-filename");
2282 if (*filename != NULL)
2283 filename_search = FALSE;
2284 }
2286 if (xdpi_search) {
2287 dpi_string = NULL;
2288 dpi_string = repr->attribute("inkscape:export-xdpi");
2289 if (dpi_string != NULL) {
2290 *xdpi = atof(dpi_string);
2291 xdpi_search = FALSE;
2292 }
2293 }
2295 if (ydpi_search) {
2296 dpi_string = NULL;
2297 dpi_string = repr->attribute("inkscape:export-ydpi");
2298 if (dpi_string != NULL) {
2299 *ydpi = atof(dpi_string);
2300 ydpi_search = FALSE;
2301 }
2302 }
2303 }
2304 }
2306 void
2307 sp_document_get_export_hints (SPDocument *doc, char const **filename, float *xdpi, float *ydpi)
2308 {
2309 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2310 gchar const *dpi_string;
2312 *filename = repr->attribute("inkscape:export-filename");
2314 dpi_string = NULL;
2315 dpi_string = repr->attribute("inkscape:export-xdpi");
2316 if (dpi_string != NULL) {
2317 *xdpi = atof(dpi_string);
2318 }
2320 dpi_string = NULL;
2321 dpi_string = repr->attribute("inkscape:export-ydpi");
2322 if (dpi_string != NULL) {
2323 *ydpi = atof(dpi_string);
2324 }
2325 }
2327 void
2328 sp_selection_create_bitmap_copy ()
2329 {
2330 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2331 if (desktop == NULL)
2332 return;
2334 SPDocument *document = sp_desktop_document(desktop);
2335 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2337 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2339 // check if something is selected
2340 if (selection->isEmpty()) {
2341 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2342 return;
2343 }
2345 // Get the bounding box of the selection
2346 NRRect bbox;
2347 sp_document_ensure_up_to_date (document);
2348 selection->bounds(&bbox);
2349 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2350 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2351 }
2353 // List of the items to show; all others will be hidden
2354 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2356 // Sort items so that the topmost comes last
2357 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2359 // Generate a random value from the current time (you may create bitmap from the same object(s)
2360 // multiple times, and this is done so that they don't clash)
2361 GTimeVal cu;
2362 g_get_current_time (&cu);
2363 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2365 // Create the filename
2366 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2367 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2368 // digits, and a few other chars, with "_"
2369 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2370 // Build the complete path by adding document->base if set
2371 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2373 //g_print ("%s\n", filepath);
2375 // Remember parent and z-order of the topmost one
2376 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2377 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2378 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2380 // Calculate resolution
2381 double res;
2382 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2383 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2384 if (0 < prefs_res) {
2385 // If it's given explicitly in prefs, take it
2386 res = prefs_res;
2387 } else if (0 < prefs_min) {
2388 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2389 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2390 } else {
2391 float hint_xdpi = 0, hint_ydpi = 0;
2392 char const *hint_filename;
2393 // take resolution hint from the selected objects
2394 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2395 if (hint_xdpi != 0) {
2396 res = hint_xdpi;
2397 } else {
2398 // take resolution hint from the document
2399 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2400 if (hint_xdpi != 0) {
2401 res = hint_xdpi;
2402 } else {
2403 // if all else fails, take the default 90 dpi
2404 res = PX_PER_IN;
2405 }
2406 }
2407 }
2409 // The width and height of the bitmap in pixels
2410 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2411 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2413 // Find out if we have to run a filter
2414 gchar const *run = NULL;
2415 gchar const *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2416 if (filter) {
2417 // filter command is given;
2418 // see if we have a parameter to pass to it
2419 gchar const *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2420 if (param1) {
2421 if (param1[strlen(param1) - 1] == '%') {
2422 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2423 gchar p1[256];
2424 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2425 // the first param is always the image filename, the second is param1
2426 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2427 } else {
2428 // otherwise pass the param1 unchanged
2429 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2430 }
2431 } else {
2432 // run without extra parameter
2433 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2434 }
2435 }
2437 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2438 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2439 NR::Matrix t;
2441 double shift_x = bbox.x0;
2442 double shift_y = bbox.y1;
2443 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2444 shift_x = round (shift_x);
2445 shift_y = -round (-shift_y); // this gets correct rounding despite coordinate inversion, remove the negations when the inversion is gone
2446 }
2447 t = NR::scale(1, -1) * NR::translate (shift_x, shift_y) * eek.inverse();
2449 // Do the export
2450 sp_export_png_file(document, filepath,
2451 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2452 width, height, res, res,
2453 (guint32) 0xffffff00,
2454 NULL, NULL,
2455 true, /*bool force_overwrite,*/
2456 items);
2458 g_slist_free (items);
2460 // Run filter, if any
2461 if (run) {
2462 g_print ("Running external filter: %s\n", run);
2463 system (run);
2464 }
2466 // Import the image back
2467 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2468 if (pb) {
2469 // Create the repr for the image
2470 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2471 repr->setAttribute("xlink:href", filename);
2472 repr->setAttribute("sodipodi:absref", filepath);
2473 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2474 sp_repr_set_svg_double(repr, "width", width);
2475 sp_repr_set_svg_double(repr, "height", height);
2476 } else {
2477 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2478 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2479 }
2481 // Write transform
2482 gchar *c=sp_svg_transform_write(t);
2483 repr->setAttribute("transform", c);
2484 g_free(c);
2486 // add the new repr to the parent
2487 parent->appendChild(repr);
2489 // move to the saved position
2490 repr->setPosition(pos > 0 ? pos + 1 : 1);
2492 // Set selection to the new image
2493 selection->clear();
2494 selection->add(repr);
2496 // Clean up
2497 Inkscape::GC::release(repr);
2498 gdk_pixbuf_unref (pb);
2500 // Complete undoable transaction
2501 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2502 _("Create bitmap"));
2503 }
2505 g_free (filename);
2506 g_free (filepath);
2507 }
2509 /**
2510 * \brief Creates a mask or clipPath from selection
2511 * Two different modes:
2512 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2513 * and is applied to current layer
2514 * otherwise, topmost object is used as mask for other objects
2515 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2516 *
2517 */
2518 void
2519 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2520 {
2521 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2522 if (desktop == NULL)
2523 return;
2525 SPDocument *doc = sp_desktop_document(desktop);
2526 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2528 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2530 // check if something is selected
2531 bool is_empty = selection->isEmpty();
2532 if ( apply_to_layer && is_empty) {
2533 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2534 return;
2535 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2536 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2537 return;
2538 }
2540 // FIXME: temporary patch to prevent crash!
2541 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2542 bool clone_with_original = selection_contains_both_clone_and_original (selection);
2543 if (clone_with_original) {
2544 return; // in this version, you cannot clip/mask an object with its own clone
2545 }
2546 // /END FIXME
2548 sp_document_ensure_up_to_date(doc);
2550 GSList *items = g_slist_copy((GSList *) selection->itemList());
2552 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2554 // create a list of duplicates
2555 GSList *mask_items = NULL;
2556 GSList *apply_to_items = NULL;
2557 GSList *items_to_delete = NULL;
2558 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2559 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2561 if (apply_to_layer) {
2562 // all selected items are used for mask, which is applied to a layer
2563 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2565 for (GSList *i = items; i != NULL; i = i->next) {
2566 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2567 mask_items = g_slist_prepend (mask_items, dup);
2569 if (remove_original) {
2570 SPObject *item = SP_OBJECT (i->data);
2571 items_to_delete = g_slist_prepend (items_to_delete, item);
2572 }
2573 }
2574 } else if (!topmost) {
2575 // topmost item is used as a mask, which is applied to other items in a selection
2576 GSList *i = items;
2577 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2578 mask_items = g_slist_prepend (mask_items, dup);
2580 if (remove_original) {
2581 SPObject *item = SP_OBJECT (i->data);
2582 items_to_delete = g_slist_prepend (items_to_delete, item);
2583 }
2585 for (i = i->next; i != NULL; i = i->next) {
2586 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2587 }
2588 } else {
2589 GSList *i = NULL;
2590 for (i = items; NULL != i->next; i = i->next) {
2591 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2592 }
2594 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2595 mask_items = g_slist_prepend (mask_items, dup);
2597 if (remove_original) {
2598 SPObject *item = SP_OBJECT (i->data);
2599 items_to_delete = g_slist_prepend (items_to_delete, item);
2600 }
2601 }
2603 g_slist_free (items);
2604 items = NULL;
2606 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2607 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2608 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2609 // inverted object transform should be applied to a mask object,
2610 // as mask is calculated in user space (after applying transform)
2611 NR::Matrix maskTransform (item->transform.inverse());
2613 GSList *mask_items_dup = NULL;
2614 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2615 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate(xml_doc);
2616 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2617 }
2619 gchar const *mask_id = NULL;
2620 if (apply_clip_path) {
2621 mask_id = sp_clippath_create(mask_items_dup, doc, &maskTransform);
2622 } else {
2623 mask_id = sp_mask_create(mask_items_dup, doc, &maskTransform);
2624 }
2626 g_slist_free (mask_items_dup);
2627 mask_items_dup = NULL;
2629 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2630 }
2632 g_slist_free (mask_items);
2633 g_slist_free (apply_to_items);
2635 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2636 SPObject *item = SP_OBJECT (i->data);
2637 item->deleteObject (false);
2638 }
2639 g_slist_free (items_to_delete);
2641 if (apply_clip_path)
2642 sp_document_done (doc, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2643 else
2644 sp_document_done (doc, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2645 }
2647 void sp_selection_unset_mask(bool apply_clip_path) {
2648 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2649 if (desktop == NULL)
2650 return;
2652 SPDocument *doc = sp_desktop_document(desktop);
2653 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2654 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2656 // check if something is selected
2657 if (selection->isEmpty()) {
2658 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2659 return;
2660 }
2662 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2663 sp_document_ensure_up_to_date(doc);
2665 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2666 std::map<SPObject*,SPItem*> referenced_objects;
2667 for (GSList const *i = selection->itemList(); NULL != i; i = i->next) {
2668 if (remove_original) {
2669 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2670 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2671 Inkscape::URIReference *uri_ref = NULL;
2673 if (apply_clip_path) {
2674 uri_ref = item->clip_ref;
2675 } else {
2676 uri_ref = item->mask_ref;
2677 }
2679 // collect distinct mask object (and associate with item to apply transform)
2680 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2681 referenced_objects[uri_ref->getObject()] = item;
2682 }
2683 }
2685 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2686 }
2688 // restore mask objects into a document
2689 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2690 SPObject *obj = (*it).first;
2691 GSList *items_to_move = NULL;
2692 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2693 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2694 items_to_move = g_slist_prepend (items_to_move, copy);
2695 }
2697 if (!obj->isReferenced()) {
2698 // delete from defs if no other object references this mask
2699 obj->deleteObject(false);
2700 }
2702 // remember parent and position of the item to which the clippath/mask was applied
2703 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2704 gint pos = SP_OBJECT_REPR((*it).second)->position();
2706 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2707 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2709 // insert into parent, restore pos
2710 parent->appendChild(repr);
2711 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2713 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2714 selection->add(repr);
2716 // transform mask, so it is moved the same spot where mask was applied
2717 NR::Matrix transform (mask_item->transform);
2718 transform *= (*it).second->transform;
2719 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2720 }
2722 g_slist_free (items_to_move);
2723 }
2725 if (apply_clip_path)
2726 sp_document_done (doc, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2727 else
2728 sp_document_done (doc, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2729 }
2731 void fit_canvas_to_selection(SPDesktop *desktop) {
2732 g_return_if_fail(desktop != NULL);
2733 SPDocument *doc = sp_desktop_document(desktop);
2735 g_return_if_fail(doc != NULL);
2736 g_return_if_fail(desktop->selection != NULL);
2738 if (desktop->selection->isEmpty()) {
2739 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to fit canvas to."));
2740 return;
2741 }
2742 NR::Maybe<NR::Rect> const bbox(desktop->selection->bounds());
2743 if (bbox && !bbox->isEmpty()) {
2744 doc->fitToRect(*bbox);
2745 }
2746 };
2748 void fit_canvas_to_drawing(SPDocument *doc) {
2749 g_return_if_fail(doc != NULL);
2751 sp_document_ensure_up_to_date(doc);
2752 SPItem const *const root = SP_ITEM(doc->root);
2753 NR::Maybe<NR::Rect> const bbox(root->getBounds(sp_item_i2r_affine(root)));
2754 if (bbox && !bbox->isEmpty()) {
2755 doc->fitToRect(*bbox);
2756 }
2757 };
2759 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2760 g_return_if_fail(desktop != NULL);
2761 SPDocument *doc = sp_desktop_document(desktop);
2763 g_return_if_fail(doc != NULL);
2764 g_return_if_fail(desktop->selection != NULL);
2766 if (desktop->selection->isEmpty()) {
2767 fit_canvas_to_drawing(doc);
2768 } else {
2769 fit_canvas_to_selection(desktop);
2770 }
2772 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2773 _("Fit page to selection"));
2774 };
2776 static void itemtree_map(void (*f)(SPItem *, SPDesktop *), SPObject *root, SPDesktop *desktop) {
2777 // don't operate on layers
2778 if (SP_IS_ITEM(root) && !desktop->isLayer(SP_ITEM(root))) {
2779 f(SP_ITEM(root), desktop);
2780 }
2781 for ( SPObject::SiblingIterator iter = root->firstChild() ; iter ; ++iter ) {
2782 //don't recurse into locked layers
2783 if (!(SP_IS_ITEM(&*iter) && desktop->isLayer(SP_ITEM(&*iter)) && SP_ITEM(&*iter)->isLocked())) {
2784 itemtree_map(f, iter, desktop);
2785 }
2786 }
2787 }
2789 static void unlock(SPItem *item, SPDesktop */*desktop*/) {
2790 if (item->isLocked()) {
2791 item->setLocked(FALSE);
2792 }
2793 }
2795 static void unhide(SPItem *item, SPDesktop *desktop) {
2796 if (desktop->itemIsHidden(item)) {
2797 item->setExplicitlyHidden(FALSE);
2798 }
2799 }
2801 static void process_all(void (*f)(SPItem *, SPDesktop *), SPDesktop *dt, bool layer_only) {
2802 if (!dt) return;
2804 SPObject *root;
2805 if (layer_only) {
2806 root = dt->currentLayer();
2807 } else {
2808 root = dt->currentRoot();
2809 }
2811 itemtree_map(f, root, dt);
2812 }
2814 void unlock_all(SPDesktop *dt) {
2815 process_all(&unlock, dt, true);
2816 }
2818 void unlock_all_in_all_layers(SPDesktop *dt) {
2819 process_all(&unlock, dt, false);
2820 }
2822 void unhide_all(SPDesktop *dt) {
2823 process_all(&unhide, dt, true);
2824 }
2826 void unhide_all_in_all_layers(SPDesktop *dt) {
2827 process_all(&unhide, dt, false);
2828 }
2831 /*
2832 Local Variables:
2833 mode:c++
2834 c-file-style:"stroustrup"
2835 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2836 indent-tabs-mode:nil
2837 fill-column:99
2838 End:
2839 */
2840 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :