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"
86 #include "display/curve.h"
87 #include "display/canvas-bpath.h"
89 // For clippath editing
90 #include "tools-switch.h"
91 #include "shape-editor.h"
92 #include "node-context.h"
93 #include "nodepath.h"
95 #include "ui/clipboard.h"
97 using NR::X;
98 using NR::Y;
100 /* The clipboard handling is in ui/clipboard.cpp now. There are some legacy functions left here,
101 because the layer manipulation code uses them. It should be rewritten specifically
102 for that purpose. */
104 /**
105 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
106 * then prepends the copy to 'clip'.
107 */
108 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip, Inkscape::XML::Document* xml_doc)
109 {
110 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
112 // copy complete inherited style
113 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
114 sp_repr_css_set(copy, css, "style");
115 sp_repr_css_attr_unref(css);
117 // write the complete accumulated transform passed to us
118 // (we're dealing with unattached repr, so we write to its attr
119 // instead of using sp_item_set_transform)
120 gchar *affinestr=sp_svg_transform_write(full_t);
121 copy->setAttribute("transform", affinestr);
122 g_free(affinestr);
124 *clip = g_slist_prepend(*clip, copy);
125 }
127 void sp_selection_copy_impl (GSList const *items, GSList **clip, Inkscape::XML::Document* xml_doc)
128 {
129 // Sort items:
130 GSList *sorted_items = g_slist_copy ((GSList *) items);
131 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
133 // Copy item reprs:
134 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
135 sp_selection_copy_one (SP_OBJECT_REPR (i->data), from_2geom(sp_item_i2doc_affine(SP_ITEM (i->data))), clip, xml_doc);
136 }
138 *clip = g_slist_reverse(*clip);
139 g_slist_free ((GSList *) sorted_items);
140 }
142 GSList *sp_selection_paste_impl (SPDocument *doc, SPObject *parent, GSList **clip)
143 {
144 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
146 GSList *copied = NULL;
147 // add objects to document
148 for (GSList *l = *clip; l != NULL; l = l->next) {
149 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
150 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
152 // premultiply the item transform by the accumulated parent transform in the paste layer
153 NR::Matrix local = from_2geom(sp_item_i2doc_affine(SP_ITEM(parent)));
154 if (!local.test_identity()) {
155 gchar const *t_str = copy->attribute("transform");
156 NR::Matrix item_t (NR::identity());
157 if (t_str)
158 sp_svg_transform_read(t_str, &item_t);
159 item_t *= local.inverse();
160 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
161 gchar *affinestr=sp_svg_transform_write(item_t);
162 copy->setAttribute("transform", affinestr);
163 g_free(affinestr);
164 }
166 parent->appendChildRepr(copy);
167 copied = g_slist_prepend(copied, copy);
168 Inkscape::GC::release(copy);
169 }
170 return copied;
171 }
173 void sp_selection_delete_impl(GSList const *items, bool propagate = true, bool propagate_descendants = true)
174 {
175 for (GSList const *i = items ; i ; i = i->next ) {
176 sp_object_ref((SPObject *)i->data, NULL);
177 }
178 for (GSList const *i = items; i != NULL; i = i->next) {
179 SPItem *item = (SPItem *) i->data;
180 SP_OBJECT(item)->deleteObject(propagate, propagate_descendants);
181 sp_object_unref((SPObject *)item, NULL);
182 }
183 }
186 void sp_selection_delete()
187 {
188 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
189 if (desktop == NULL) {
190 return;
191 }
193 if (tools_isactive (desktop, TOOLS_TEXT))
194 if (sp_text_delete_selection(desktop->event_context)) {
195 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
196 _("Delete text"));
197 return;
198 }
200 Inkscape::Selection *selection = sp_desktop_selection(desktop);
202 // check if something is selected
203 if (selection->isEmpty()) {
204 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
205 return;
206 }
208 GSList const *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
209 selection->clear();
210 sp_selection_delete_impl (selected);
211 g_slist_free ((GSList *) selected);
213 /* a tool may have set up private information in it's selection context
214 * that depends on desktop items. I think the only sane way to deal with
215 * this currently is to reset the current tool, which will reset it's
216 * associated selection context. For example: deleting an object
217 * while moving it around the canvas.
218 */
219 tools_switch ( desktop, tools_active ( desktop ) );
221 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
222 _("Delete"));
223 }
225 void add_ids_recursive (std::vector<const gchar *> &ids, SPObject *obj)
226 {
227 if (!obj)
228 return;
230 ids.push_back(SP_OBJECT_ID(obj));
232 if (SP_IS_GROUP(obj)) {
233 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
234 add_ids_recursive (ids, child);
235 }
236 }
237 }
239 void sp_selection_duplicate(bool suppressDone)
240 {
241 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
242 if (desktop == NULL)
243 return;
245 SPDocument *doc = desktop->doc();
246 Inkscape::XML::Document* xml_doc = sp_document_repr_doc(doc);
247 Inkscape::Selection *selection = sp_desktop_selection(desktop);
249 // check if something is selected
250 if (selection->isEmpty()) {
251 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
252 return;
253 }
255 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
257 selection->clear();
259 // sorting items from different parents sorts each parent's subset without possibly mixing
260 // them, just what we need
261 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
263 GSList *newsel = NULL;
265 std::vector<const gchar *> old_ids;
266 std::vector<const gchar *> new_ids;
267 bool relink_clones = prefs_get_int_attribute ("options.relinkclonesonduplicate", "value", 0);
269 while (reprs) {
270 Inkscape::XML::Node *old_repr = (Inkscape::XML::Node *) reprs->data;
271 Inkscape::XML::Node *parent = old_repr->parent();
272 Inkscape::XML::Node *copy = old_repr->duplicate(xml_doc);
274 parent->appendChild(copy);
276 if (relink_clones) {
277 SPObject *old_obj = doc->getObjectByRepr(old_repr);
278 SPObject *new_obj = doc->getObjectByRepr(copy);
279 add_ids_recursive (old_ids, old_obj);
280 add_ids_recursive (new_ids, new_obj);
281 }
283 newsel = g_slist_prepend(newsel, copy);
284 reprs = g_slist_remove(reprs, reprs->data);
285 Inkscape::GC::release(copy);
286 }
288 if (relink_clones) {
290 g_assert (old_ids.size() == new_ids.size());
292 for(unsigned int i = 0; i < old_ids.size(); i++) {
293 const gchar *id = old_ids[i];
294 SPObject *old_clone = doc->getObjectById(id);
295 if (SP_IS_USE(old_clone)) {
296 SPItem *orig = sp_use_get_original(SP_USE(old_clone));
297 for(unsigned int j = 0; j < old_ids.size(); j++) {
298 if (!strcmp(SP_OBJECT_ID(orig), old_ids[j])) {
299 // we have both orig and clone in selection, relink
300 // std::cout << id << " old, its ori: " << SP_OBJECT_ID(orig) << "; will relink:" << new_ids[i] << " to " << new_ids[j] << "\n";
301 gchar *newref = g_strdup_printf ("#%s", new_ids[j]);
302 SPObject *new_clone = doc->getObjectById(new_ids[i]);
303 SP_OBJECT_REPR(new_clone)->setAttribute("xlink:href", newref);
304 new_clone->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
305 g_free (newref);
306 }
307 }
308 }
309 }
310 }
313 if ( !suppressDone ) {
314 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
315 _("Duplicate"));
316 }
318 selection->setReprList(newsel);
320 g_slist_free(newsel);
321 }
323 void sp_edit_clear_all()
324 {
325 SPDesktop *dt = SP_ACTIVE_DESKTOP;
326 if (!dt)
327 return;
329 SPDocument *doc = sp_desktop_document(dt);
330 sp_desktop_selection(dt)->clear();
332 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
333 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
335 while (items) {
336 SP_OBJECT (items->data)->deleteObject();
337 items = g_slist_remove(items, items->data);
338 }
340 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
341 _("Delete all"));
342 }
344 GSList *
345 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, GSList const *exclude)
346 {
347 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
348 if (SP_IS_ITEM(child) &&
349 !desktop->isLayer(SP_ITEM(child)) &&
350 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
351 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
352 (!exclude || !g_slist_find ((GSList *) exclude, child))
353 )
354 {
355 list = g_slist_prepend (list, SP_ITEM(child));
356 }
358 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
359 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
360 }
361 }
363 return list;
364 }
366 void sp_edit_select_all_full (bool force_all_layers, bool invert)
367 {
368 SPDesktop *dt = SP_ACTIVE_DESKTOP;
369 if (!dt)
370 return;
372 Inkscape::Selection *selection = sp_desktop_selection(dt);
374 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
376 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
377 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
378 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
380 GSList *items = NULL;
382 GSList const *exclude = NULL;
383 if (invert) {
384 exclude = selection->itemList();
385 }
387 if (force_all_layers)
388 inlayer = PREFS_SELECTION_ALL;
390 switch (inlayer) {
391 case PREFS_SELECTION_LAYER: {
392 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
393 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
394 return;
396 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
398 for (GSList *i = all_items; i; i = i->next) {
399 SPItem *item = SP_ITEM (i->data);
401 if (item && (!onlysensitive || !item->isLocked())) {
402 if (!onlyvisible || !dt->itemIsHidden(item)) {
403 if (!dt->isLayer(item)) {
404 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
405 items = g_slist_prepend (items, item); // leave it in the list
406 }
407 }
408 }
409 }
410 }
412 g_slist_free (all_items);
413 break;
414 }
415 case PREFS_SELECTION_LAYER_RECURSIVE: {
416 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
417 break;
418 }
419 default: {
420 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
421 break;
422 }
423 }
425 selection->setList (items);
427 if (items) {
428 g_slist_free (items);
429 }
430 }
432 void sp_edit_select_all ()
433 {
434 sp_edit_select_all_full (false, false);
435 }
437 void sp_edit_select_all_in_all_layers ()
438 {
439 sp_edit_select_all_full (true, false);
440 }
442 void sp_edit_invert ()
443 {
444 sp_edit_select_all_full (false, true);
445 }
447 void sp_edit_invert_in_all_layers ()
448 {
449 sp_edit_select_all_full (true, true);
450 }
452 void sp_selection_group()
453 {
454 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
455 if (desktop == NULL)
456 return;
458 SPDocument *doc = sp_desktop_document (desktop);
459 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
461 Inkscape::Selection *selection = sp_desktop_selection(desktop);
463 // Check if something is selected.
464 if (selection->isEmpty()) {
465 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
466 return;
467 }
469 GSList const *l = (GSList *) selection->reprList();
471 GSList *p = g_slist_copy((GSList *) l);
473 selection->clear();
475 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
477 // Remember the position and parent of the topmost object.
478 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
479 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
481 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
483 while (p) {
484 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
486 if (current->parent() == topmost_parent) {
487 Inkscape::XML::Node *spnew = current->duplicate(xml_doc);
488 sp_repr_unparent(current);
489 group->appendChild(spnew);
490 Inkscape::GC::release(spnew);
491 topmost --; // only reduce count for those items deleted from topmost_parent
492 } else { // move it to topmost_parent first
493 GSList *temp_clip = NULL;
495 // At this point, current may already have no item, due to its being a clone whose original is already moved away
496 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
497 gchar const *t_str = current->attribute("transform");
498 NR::Matrix item_t (NR::identity());
499 if (t_str)
500 sp_svg_transform_read(t_str, &item_t);
501 item_t *= from_2geom(sp_item_i2doc_affine(SP_ITEM(doc->getObjectByRepr(current->parent()))));
502 //FIXME: when moving both clone and original from a transformed group (either by
503 //grouping into another parent, or by cut/paste) the transform from the original's
504 //parent becomes embedded into original itself, and this affects its clones. Fix
505 //this by remembering the transform diffs we write to each item into an array and
506 //then, if this is clone, looking up its original in that array and pre-multiplying
507 //it by the inverse of that original's transform diff.
509 sp_selection_copy_one (current, item_t, &temp_clip, xml_doc);
510 sp_repr_unparent(current);
512 // paste into topmost_parent (temporarily)
513 GSList *copied = sp_selection_paste_impl (doc, doc->getObjectByRepr(topmost_parent), &temp_clip);
514 if (temp_clip) g_slist_free (temp_clip);
515 if (copied) { // if success,
516 // take pasted object (now in topmost_parent)
517 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
518 // make a copy
519 Inkscape::XML::Node *spnew = in_topmost->duplicate(xml_doc);
520 // remove pasted
521 sp_repr_unparent(in_topmost);
522 // put its copy into group
523 group->appendChild(spnew);
524 Inkscape::GC::release(spnew);
525 g_slist_free (copied);
526 }
527 }
528 p = g_slist_remove(p, current);
529 }
531 // Add the new group to the topmost members' parent
532 topmost_parent->appendChild(group);
534 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
535 group->setPosition(topmost + 1);
537 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
538 _("Group"));
540 selection->set(group);
541 Inkscape::GC::release(group);
542 }
544 void sp_selection_ungroup()
545 {
546 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
547 if (desktop == NULL)
548 return;
550 Inkscape::Selection *selection = sp_desktop_selection(desktop);
552 if (selection->isEmpty()) {
553 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
554 return;
555 }
557 GSList *items = g_slist_copy((GSList *) selection->itemList());
558 selection->clear();
560 // Get a copy of current selection.
561 GSList *new_select = NULL;
562 bool ungrouped = false;
563 for (GSList *i = items;
564 i != NULL;
565 i = i->next)
566 {
567 SPItem *group = (SPItem *) i->data;
569 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
570 if (!SP_IS_OBJECT(group)) {
571 continue;
572 }
574 /* We do not allow ungrouping <svg> etc. (lauris) */
575 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
576 // keep the non-group item in the new selection
577 selection->add(group);
578 continue;
579 }
581 GSList *children = NULL;
582 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
583 sp_item_group_ungroup(SP_GROUP(group), &children, false);
584 ungrouped = true;
585 // Add ungrouped items to the new selection.
586 new_select = g_slist_concat(new_select, children);
587 }
589 if (new_select) { // Set new selection.
590 selection->addList(new_select);
591 g_slist_free(new_select);
592 }
593 if (!ungrouped) {
594 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
595 }
597 g_slist_free(items);
599 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
600 _("Ungroup"));
601 }
603 static SPGroup *
604 sp_item_list_common_parent_group(GSList const *items)
605 {
606 if (!items) {
607 return NULL;
608 }
609 SPObject *parent = SP_OBJECT_PARENT(items->data);
610 /* Strictly speaking this CAN happen, if user selects <svg> from Inkscape::XML editor */
611 if (!SP_IS_GROUP(parent)) {
612 return NULL;
613 }
614 for (items = items->next; items; items = items->next) {
615 if (SP_OBJECT_PARENT(items->data) != parent) {
616 return NULL;
617 }
618 }
620 return SP_GROUP(parent);
621 }
623 /** Finds out the minimum common bbox of the selected items. */
624 static boost::optional<NR::Rect>
625 enclose_items(GSList const *items)
626 {
627 g_assert(items != NULL);
629 boost::optional<NR::Rect> r;
630 for (GSList const *i = items; i; i = i->next) {
631 r = NR::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
632 }
633 return r;
634 }
636 SPObject *
637 prev_sibling(SPObject *child)
638 {
639 SPObject *parent = SP_OBJECT_PARENT(child);
640 if (!SP_IS_GROUP(parent)) {
641 return NULL;
642 }
643 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
644 if (i->next == child)
645 return i;
646 }
647 return NULL;
648 }
650 void
651 sp_selection_raise()
652 {
653 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
654 if (!desktop)
655 return;
657 Inkscape::Selection *selection = sp_desktop_selection(desktop);
659 GSList const *items = (GSList *) selection->itemList();
660 if (!items) {
661 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
662 return;
663 }
665 SPGroup const *group = sp_item_list_common_parent_group(items);
666 if (!group) {
667 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
668 return;
669 }
671 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
673 /* Construct reverse-ordered list of selected children. */
674 GSList *rev = g_slist_copy((GSList *) items);
675 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
677 // Determine the common bbox of the selected items.
678 boost::optional<NR::Rect> selected = enclose_items(items);
680 // Iterate over all objects in the selection (starting from top).
681 if (selected) {
682 while (rev) {
683 SPObject *child = SP_OBJECT(rev->data);
684 // for each selected object, find the next sibling
685 for (SPObject *newref = child->next; newref; newref = newref->next) {
686 // if the sibling is an item AND overlaps our selection,
687 if (SP_IS_ITEM(newref)) {
688 boost::optional<NR::Rect> newref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
689 if ( newref_bbox && selected->intersects(*newref_bbox) ) {
690 // AND if it's not one of our selected objects,
691 if (!g_slist_find((GSList *) items, newref)) {
692 // move the selected object after that sibling
693 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
694 }
695 break;
696 }
697 }
698 }
699 rev = g_slist_remove(rev, child);
700 }
701 } else {
702 g_slist_free(rev);
703 }
705 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
706 //TRANSLATORS: Only put the word "Raise" in the translation. Means "to raise an object" in the undo history
707 Q_("undo_action|Raise"));
708 }
710 void sp_selection_raise_to_top()
711 {
712 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
713 if (desktop == NULL)
714 return;
716 SPDocument *document = sp_desktop_document(desktop);
717 Inkscape::Selection *selection = sp_desktop_selection(desktop);
719 if (selection->isEmpty()) {
720 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
721 return;
722 }
724 GSList const *items = (GSList *) selection->itemList();
726 SPGroup const *group = sp_item_list_common_parent_group(items);
727 if (!group) {
728 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
729 return;
730 }
732 GSList *rl = g_slist_copy((GSList *) selection->reprList());
733 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
735 for (GSList *l = rl; l != NULL; l = l->next) {
736 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
737 repr->setPosition(-1);
738 }
740 g_slist_free(rl);
742 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
743 _("Raise to top"));
744 }
746 void
747 sp_selection_lower()
748 {
749 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
750 if (desktop == NULL)
751 return;
753 Inkscape::Selection *selection = sp_desktop_selection(desktop);
755 GSList const *items = (GSList *) selection->itemList();
756 if (!items) {
757 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
758 return;
759 }
761 SPGroup const *group = sp_item_list_common_parent_group(items);
762 if (!group) {
763 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
764 return;
765 }
767 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
769 // Determine the common bbox of the selected items.
770 boost::optional<NR::Rect> selected = enclose_items(items);
772 /* Construct direct-ordered list of selected children. */
773 GSList *rev = g_slist_copy((GSList *) items);
774 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
775 rev = g_slist_reverse(rev);
777 // Iterate over all objects in the selection (starting from top).
778 if (selected) {
779 while (rev) {
780 SPObject *child = SP_OBJECT(rev->data);
781 // for each selected object, find the prev sibling
782 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
783 // if the sibling is an item AND overlaps our selection,
784 if (SP_IS_ITEM(newref)) {
785 boost::optional<NR::Rect> ref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
786 if ( ref_bbox && selected->intersects(*ref_bbox) ) {
787 // AND if it's not one of our selected objects,
788 if (!g_slist_find((GSList *) items, newref)) {
789 // move the selected object before that sibling
790 SPObject *put_after = prev_sibling(newref);
791 if (put_after)
792 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
793 else
794 SP_OBJECT_REPR(child)->setPosition(0);
795 }
796 break;
797 }
798 }
799 }
800 rev = g_slist_remove(rev, child);
801 }
802 } else {
803 g_slist_free(rev);
804 }
806 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
807 _("Lower"));
808 }
810 void sp_selection_lower_to_bottom()
811 {
812 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
813 if (desktop == NULL)
814 return;
816 SPDocument *document = sp_desktop_document(desktop);
817 Inkscape::Selection *selection = sp_desktop_selection(desktop);
819 if (selection->isEmpty()) {
820 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
821 return;
822 }
824 GSList const *items = (GSList *) selection->itemList();
826 SPGroup const *group = sp_item_list_common_parent_group(items);
827 if (!group) {
828 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
829 return;
830 }
832 GSList *rl;
833 rl = g_slist_copy((GSList *) selection->reprList());
834 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
835 rl = g_slist_reverse(rl);
837 for (GSList *l = rl; l != NULL; l = l->next) {
838 gint minpos;
839 SPObject *pp, *pc;
840 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
841 pp = document->getObjectByRepr(sp_repr_parent(repr));
842 minpos = 0;
843 g_assert(SP_IS_GROUP(pp));
844 pc = sp_object_first_child(pp);
845 while (!SP_IS_ITEM(pc)) {
846 minpos += 1;
847 pc = pc->next;
848 }
849 repr->setPosition(minpos);
850 }
852 g_slist_free(rl);
854 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
855 _("Lower to bottom"));
856 }
858 void
859 sp_undo(SPDesktop *desktop, SPDocument *)
860 {
861 if (!sp_document_undo(sp_desktop_document(desktop)))
862 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
863 }
865 void
866 sp_redo(SPDesktop *desktop, SPDocument *)
867 {
868 if (!sp_document_redo(sp_desktop_document(desktop)))
869 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
870 }
872 void sp_selection_cut()
873 {
874 sp_selection_copy();
875 sp_selection_delete();
876 }
878 /**
879 * \pre item != NULL
880 */
881 SPCSSAttr *
882 take_style_from_item (SPItem *item)
883 {
884 // write the complete cascaded style, context-free
885 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
886 if (css == NULL)
887 return NULL;
889 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
890 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
891 // if this is a text with exactly one tspan child, merge the style of that tspan as well
892 // If this is a group, merge the style of its topmost (last) child with style
893 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
894 if (SP_OBJECT_STYLE (last_element) != NULL) {
895 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
896 if (temp) {
897 sp_repr_css_merge (css, temp);
898 sp_repr_css_attr_unref (temp);
899 }
900 break;
901 }
902 }
903 }
904 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_TREF(item) || SP_IS_STRING (item))) {
905 // do not copy text properties from non-text objects, it's confusing
906 css = sp_css_attr_unset_text (css);
907 }
909 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
910 double ex = NR::expansion(from_2geom(sp_item_i2doc_affine(item)));
911 if (ex != 1.0) {
912 css = sp_css_attr_scale (css, ex);
913 }
915 return css;
916 }
919 void sp_selection_copy()
920 {
921 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
922 cm->copy();
923 }
925 void sp_selection_paste(bool in_place)
926 {
927 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
928 if(cm->paste(in_place))
929 sp_document_done(SP_ACTIVE_DOCUMENT, SP_VERB_EDIT_PASTE, _("Paste"));
930 }
932 void sp_selection_paste_style()
933 {
934 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
935 if(cm->pasteStyle())
936 sp_document_done(SP_ACTIVE_DOCUMENT, SP_VERB_EDIT_PASTE_STYLE, _("Paste style"));
937 }
940 void sp_selection_paste_livepatheffect()
941 {
942 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
943 if(cm->pastePathEffect())
944 sp_document_done(SP_ACTIVE_DOCUMENT, SP_VERB_EDIT_PASTE_LIVEPATHEFFECT,
945 _("Paste live path effect"));
946 }
949 void sp_selection_remove_livepatheffect_impl(SPItem *item)
950 {
951 if ( item && SP_IS_LPE_ITEM(item) ) {
952 sp_lpe_item_remove_all_path_effects(SP_LPE_ITEM(item), false);
953 }
954 }
956 void sp_selection_remove_livepatheffect()
957 {
958 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
959 if (desktop == NULL) return;
961 Inkscape::Selection *selection = sp_desktop_selection(desktop);
963 // check if something is selected
964 if (selection->isEmpty()) {
965 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove live path effects from."));
966 return;
967 }
969 for ( GSList const *itemlist = selection->itemList(); itemlist != NULL; itemlist = g_slist_next(itemlist) ) {
970 SPItem *item = reinterpret_cast<SPItem*>(itemlist->data);
972 sp_selection_remove_livepatheffect_impl(item);
974 }
976 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_REMOVE_LIVEPATHEFFECT,
977 _("Remove live path effect"));
978 }
980 void sp_selection_remove_filter ()
981 {
982 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
983 if (desktop == NULL) return;
985 Inkscape::Selection *selection = sp_desktop_selection(desktop);
987 // check if something is selected
988 if (selection->isEmpty()) {
989 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove filters from."));
990 return;
991 }
993 SPCSSAttr *css = sp_repr_css_attr_new();
994 sp_repr_css_unset_property(css, "filter");
995 sp_desktop_set_style(desktop, css);
996 sp_repr_css_attr_unref(css);
998 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_REMOVE_FILTER,
999 _("Remove filter"));
1000 }
1003 void sp_selection_paste_size (bool apply_x, bool apply_y)
1004 {
1005 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1006 if(cm->pasteSize(false, apply_x, apply_y))
1007 sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_EDIT_PASTE_SIZE,
1008 _("Paste size"));
1009 }
1011 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1012 {
1013 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1014 if(cm->pasteSize(true, apply_x, apply_y))
1015 sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1016 _("Paste size separately"));
1017 }
1019 void sp_selection_to_next_layer(bool suppressDone)
1020 {
1021 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1023 Inkscape::Selection *selection = sp_desktop_selection(dt);
1025 // check if something is selected
1026 if (selection->isEmpty()) {
1027 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1028 return;
1029 }
1031 GSList const *items = g_slist_copy ((GSList *) selection->itemList());
1033 bool no_more = false; // Set to true, if no more layers above
1034 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1035 if (next) {
1036 GSList *temp_clip = NULL;
1037 sp_selection_copy_impl (items, &temp_clip, sp_document_repr_doc(dt->doc()));
1038 sp_selection_delete_impl (items, false, false);
1039 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1040 GSList *copied;
1041 if(next) {
1042 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip);
1043 } else {
1044 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip);
1045 no_more = true;
1046 }
1047 selection->setReprList((GSList const *) copied);
1048 g_slist_free (copied);
1049 if (temp_clip) g_slist_free (temp_clip);
1050 if (next) dt->setCurrentLayer(next);
1051 if ( !suppressDone ) {
1052 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1053 _("Raise to next layer"));
1054 }
1055 } else {
1056 no_more = true;
1057 }
1059 if (no_more) {
1060 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1061 }
1063 g_slist_free ((GSList *) items);
1064 }
1066 void sp_selection_to_prev_layer(bool suppressDone)
1067 {
1068 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1070 Inkscape::Selection *selection = sp_desktop_selection(dt);
1072 // check if something is selected
1073 if (selection->isEmpty()) {
1074 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1075 return;
1076 }
1078 GSList const *items = g_slist_copy ((GSList *) selection->itemList());
1080 bool no_more = false; // Set to true, if no more layers below
1081 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1082 if (next) {
1083 GSList *temp_clip = NULL;
1084 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
1085 sp_selection_delete_impl (items, false, false);
1086 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1087 GSList *copied;
1088 if(next) {
1089 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip);
1090 } else {
1091 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip);
1092 no_more = true;
1093 }
1094 selection->setReprList((GSList const *) copied);
1095 g_slist_free (copied);
1096 if (temp_clip) g_slist_free (temp_clip);
1097 if (next) dt->setCurrentLayer(next);
1098 if ( !suppressDone ) {
1099 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1100 _("Lower to previous layer"));
1101 }
1102 } else {
1103 no_more = true;
1104 }
1106 if (no_more) {
1107 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1108 }
1110 g_slist_free ((GSList *) items);
1111 }
1113 bool
1114 selection_contains_original (SPItem *item, Inkscape::Selection *selection)
1115 {
1116 bool contains_original = false;
1118 bool is_use = SP_IS_USE(item);
1119 SPItem *item_use = item;
1120 SPItem *item_use_first = item;
1121 while (is_use && item_use && !contains_original)
1122 {
1123 item_use = sp_use_get_original (SP_USE(item_use));
1124 contains_original |= selection->includes(item_use);
1125 if (item_use == item_use_first)
1126 break;
1127 is_use = SP_IS_USE(item_use);
1128 }
1130 // If it's a tref, check whether the object containing the character
1131 // data is part of the selection
1132 if (!contains_original && SP_IS_TREF(item)) {
1133 contains_original = selection->includes(SP_TREF(item)->getObjectReferredTo());
1134 }
1136 return contains_original;
1137 }
1140 bool
1141 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1142 {
1143 bool clone_with_original = false;
1144 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1145 SPItem *item = SP_ITEM(l->data);
1146 clone_with_original |= selection_contains_original(item, selection);
1147 if (clone_with_original)
1148 break;
1149 }
1150 return clone_with_original;
1151 }
1154 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1155 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1156 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1157 that case, items are already in the new position, but the repr is in the old, and this function
1158 then simply updates the repr from item->transform.
1159 */
1160 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1161 {
1162 if (selection->isEmpty())
1163 return;
1165 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1166 SPItem *item = SP_ITEM(l->data);
1168 NR::Point old_center(0,0);
1169 if (set_i2d && item->isCenterSet())
1170 old_center = item->getCenter();
1172 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1173 At the time of writing, this is the only place to re-enable. */
1174 sp_item_update_cns(*item, selection->desktop());
1175 #endif
1177 // we're moving both a clone and its original or any ancestor in clone chain?
1178 bool transform_clone_with_original = selection_contains_original(item, selection);
1179 // ...both a text-on-path and its path?
1180 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)))) ));
1181 // ...both a flowtext and its frame?
1182 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)
1183 // ...both an offset and its source?
1184 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1186 // If we're moving a connector, we want to detach it
1187 // from shapes that aren't part of the selection, but
1188 // leave it attached if they are
1189 if (cc_item_is_connector(item)) {
1190 SPItem *attItem[2];
1191 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1193 for (int n = 0; n < 2; ++n) {
1194 if (!selection->includes(attItem[n])) {
1195 sp_conn_end_detach(item, n);
1196 }
1197 }
1198 }
1200 // "clones are unmoved when original is moved" preference
1201 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1202 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1203 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1205 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1206 // transform of its original and respond to it itself. Without this, a clone is doubly
1207 // transformed, very unintuitive.
1208 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1209 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1210 // Same for linked offset if we are also moving its source: do not move it.
1211 if (transform_textpath_with_path || transform_offset_with_source) {
1212 // restore item->transform field from the repr, in case it was changed by seltrans
1213 sp_object_read_attr (SP_OBJECT (item), "transform");
1215 } else if (transform_flowtext_with_frame) {
1216 // apply the inverse of the region's transform to the <use> so that the flow remains
1217 // the same (even though the output itself gets transformed)
1218 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1219 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1220 continue;
1221 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1222 if (!SP_IS_USE(use)) continue;
1223 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1224 }
1225 }
1226 } else if (transform_clone_with_original) {
1227 // We are transforming a clone along with its original. The below matrix juggling is
1228 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1229 // transform and its move compensation are both cancelled out.
1231 // restore item->transform field from the repr, in case it was changed by seltrans
1232 sp_object_read_attr (SP_OBJECT (item), "transform");
1234 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1235 NR::Matrix parent_transform = from_2geom(sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item))));
1236 NR::Matrix t = parent_transform * from_2geom(matrix_to_desktop (matrix_from_desktop (to_2geom(affine), item), item)) * parent_transform.inverse();
1237 NR::Matrix t_inv =parent_transform * from_2geom(matrix_to_desktop (matrix_from_desktop (to_2geom(affine.inverse()), item), item)) * parent_transform.inverse();
1238 NR::Matrix result = t_inv * item->transform * t;
1240 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1241 // we need to cancel out the move compensation, too
1243 // find out the clone move, same as in sp_use_move_compensate
1244 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1245 NR::Matrix clone_move = parent.inverse() * t * parent;
1247 if (prefs_parallel) {
1248 NR::Matrix move = result * clone_move * t_inv;
1249 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1251 } else if (prefs_unmoved) {
1252 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1253 // clone_move = NR::identity();
1254 NR::Matrix move = result * clone_move;
1255 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1256 }
1258 } else {
1259 // just apply the result
1260 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1261 }
1263 } else {
1264 if (set_i2d) {
1265 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * to_2geom(affine));
1266 }
1267 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1268 }
1270 // if we're moving the actual object, not just updating the repr, we can transform the
1271 // center by the same matrix (only necessary for non-translations)
1272 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1273 item->setCenter(old_center * affine);
1274 SP_OBJECT(item)->updateRepr();
1275 }
1276 }
1277 }
1279 void sp_selection_remove_transform()
1280 {
1281 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1282 if (desktop == NULL)
1283 return;
1285 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1287 GSList const *l = (GSList *) selection->reprList();
1288 while (l != NULL) {
1289 ((Inkscape::XML::Node*)l->data)->setAttribute("transform", NULL, false);
1290 l = l->next;
1291 }
1293 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1294 _("Remove transform"));
1295 }
1297 void
1298 sp_selection_scale_absolute(Inkscape::Selection *selection,
1299 double const x0, double const x1,
1300 double const y0, double const y1)
1301 {
1302 if (selection->isEmpty())
1303 return;
1305 boost::optional<NR::Rect> const bbox(selection->bounds());
1306 if ( !bbox || bbox->isEmpty() ) {
1307 return;
1308 }
1310 NR::translate const p2o(-bbox->min());
1312 NR::scale const newSize(x1 - x0,
1313 y1 - y0);
1314 NR::scale const scale( newSize / NR::scale(bbox->dimensions()) );
1315 NR::translate const o2n(x0, y0);
1316 NR::Matrix const final( p2o * scale * o2n );
1318 sp_selection_apply_affine(selection, final);
1319 }
1322 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1323 {
1324 if (selection->isEmpty())
1325 return;
1327 boost::optional<NR::Rect> const bbox(selection->bounds());
1329 if ( !bbox || bbox->isEmpty() ) {
1330 return;
1331 }
1333 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1334 if ( bbox->extent(NR::X) * scale[NR::X] > 1e6 ||
1335 bbox->extent(NR::Y) * scale[NR::Y] > 1e6 )
1336 {
1337 return;
1338 }
1340 NR::translate const n2d(-align);
1341 NR::translate const d2n(align);
1342 NR::Matrix const final( n2d * scale * d2n );
1343 sp_selection_apply_affine(selection, final);
1344 }
1346 void
1347 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1348 {
1349 NR::translate const d2n(center);
1350 NR::translate const n2d(-center);
1351 NR::rotate const rotate(rotate_degrees(angle_degrees));
1352 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1353 sp_selection_apply_affine(selection, final);
1354 }
1356 void
1357 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1358 {
1359 NR::translate const d2n(align);
1360 NR::translate const n2d(-align);
1361 NR::Matrix const skew(1, dy,
1362 dx, 1,
1363 0, 0);
1364 NR::Matrix const final( n2d * skew * d2n );
1365 sp_selection_apply_affine(selection, final);
1366 }
1368 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1369 {
1370 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1371 }
1373 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1374 {
1375 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1376 }
1379 /**
1380 * \brief sp_selection_rotate_90
1381 *
1382 * This function rotates selected objects 90 degrees clockwise.
1383 *
1384 */
1386 void sp_selection_rotate_90_cw()
1387 {
1388 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1390 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1392 if (selection->isEmpty())
1393 return;
1395 GSList const *l = selection->itemList();
1396 NR::rotate const rot_neg_90(NR::Point(0, -1));
1397 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1398 SPItem *item = SP_ITEM(l2->data);
1399 sp_item_rotate_rel(item, rot_neg_90);
1400 }
1402 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1403 _("Rotate 90° CW"));
1404 }
1407 /**
1408 * @brief Rotates selected objects 90 degrees counter-clockwise.
1409 */
1410 void sp_selection_rotate_90_ccw()
1411 {
1412 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1414 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1416 if (selection->isEmpty())
1417 return;
1419 GSList const *l = selection->itemList();
1420 NR::rotate const rot_neg_90(NR::Point(0, 1));
1421 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1422 SPItem *item = SP_ITEM(l2->data);
1423 sp_item_rotate_rel(item, rot_neg_90);
1424 }
1426 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1427 _("Rotate 90° CCW"));
1428 }
1430 void
1431 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1432 {
1433 if (selection->isEmpty())
1434 return;
1436 boost::optional<NR::Point> center = selection->center();
1437 if (!center) {
1438 return;
1439 }
1441 sp_selection_rotate_relative(selection, *center, angle_degrees);
1443 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1444 ( ( angle_degrees > 0 )
1445 ? "selector:rotate:ccw"
1446 : "selector:rotate:cw" ),
1447 SP_VERB_CONTEXT_SELECT,
1448 _("Rotate"));
1449 }
1451 /**
1452 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1453 */
1454 void
1455 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1456 {
1457 if (selection->isEmpty())
1458 return;
1460 boost::optional<NR::Rect> const bbox(selection->bounds());
1461 boost::optional<NR::Point> center = selection->center();
1463 if ( !bbox || !center ) {
1464 return;
1465 }
1467 gdouble const zoom = selection->desktop()->current_zoom();
1468 gdouble const zmove = angle / zoom;
1469 gdouble const r = NR::L2(bbox->cornerFarthestFrom(*center) - *center);
1471 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1473 sp_selection_rotate_relative(selection, *center, zangle);
1475 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1476 ( (angle > 0)
1477 ? "selector:rotate:ccw"
1478 : "selector:rotate:cw" ),
1479 SP_VERB_CONTEXT_SELECT,
1480 _("Rotate by pixels"));
1481 }
1483 void
1484 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1485 {
1486 if (selection->isEmpty())
1487 return;
1489 boost::optional<NR::Rect> const bbox(selection->bounds());
1490 if (!bbox) {
1491 return;
1492 }
1494 NR::Point const center(bbox->midpoint());
1496 // you can't scale "do nizhe pola" (below zero)
1497 double const max_len = bbox->maxExtent();
1498 if ( max_len + grow <= 1e-3 ) {
1499 return;
1500 }
1502 double const times = 1.0 + grow / max_len;
1503 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1505 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1506 ( (grow > 0)
1507 ? "selector:scale:larger"
1508 : "selector:scale:smaller" ),
1509 SP_VERB_CONTEXT_SELECT,
1510 _("Scale"));
1511 }
1513 void
1514 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1515 {
1516 sp_selection_scale(selection,
1517 grow_pixels / selection->desktop()->current_zoom());
1518 }
1520 void
1521 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1522 {
1523 if (selection->isEmpty())
1524 return;
1526 boost::optional<NR::Rect> sel_bbox = selection->bounds();
1528 if (!sel_bbox) {
1529 return;
1530 }
1532 NR::Point const center(sel_bbox->midpoint());
1533 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1534 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1535 _("Scale by whole factor"));
1536 }
1538 void
1539 sp_selection_move(gdouble dx, gdouble dy)
1540 {
1541 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1542 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1543 if (selection->isEmpty()) {
1544 return;
1545 }
1547 sp_selection_move_relative(selection, dx, dy);
1549 if (dx == 0) {
1550 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1551 _("Move vertically"));
1552 } else if (dy == 0) {
1553 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1554 _("Move horizontally"));
1555 } else {
1556 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1557 _("Move"));
1558 }
1559 }
1561 void
1562 sp_selection_move_screen(gdouble dx, gdouble dy)
1563 {
1564 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1566 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1567 if (selection->isEmpty()) {
1568 return;
1569 }
1571 // same as sp_selection_move but divide deltas by zoom factor
1572 gdouble const zoom = desktop->current_zoom();
1573 gdouble const zdx = dx / zoom;
1574 gdouble const zdy = dy / zoom;
1575 sp_selection_move_relative(selection, zdx, zdy);
1577 if (dx == 0) {
1578 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1579 _("Move vertically by pixels"));
1580 } else if (dy == 0) {
1581 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1582 _("Move horizontally by pixels"));
1583 } else {
1584 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1585 _("Move"));
1586 }
1587 }
1589 namespace {
1591 template <typename D>
1592 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1593 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1595 template <typename D>
1596 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1597 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1599 struct Forward {
1600 typedef SPObject *Iterator;
1602 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1603 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1604 static void dispose(Iterator /*i*/) {}
1606 static SPObject *object(Iterator i) { return i; }
1607 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1608 };
1610 struct Reverse {
1611 typedef GSList *Iterator;
1613 static Iterator children(SPObject *o) {
1614 return make_list(o->firstChild(), NULL);
1615 }
1616 static Iterator siblings_after(SPObject *o) {
1617 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1618 }
1619 static void dispose(Iterator i) {
1620 g_slist_free(i);
1621 }
1623 static SPObject *object(Iterator i) {
1624 return reinterpret_cast<SPObject *>(i->data);
1625 }
1626 static Iterator next(Iterator i) { return i->next; }
1628 private:
1629 static GSList *make_list(SPObject *object, SPObject *limit) {
1630 GSList *list=NULL;
1631 while ( object != limit ) {
1632 list = g_slist_prepend(list, object);
1633 object = SP_OBJECT_NEXT(object);
1634 }
1635 return list;
1636 }
1637 };
1639 }
1641 void
1642 sp_selection_item_next(void)
1643 {
1644 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1645 g_return_if_fail(desktop != NULL);
1646 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1648 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1649 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1650 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1652 SPObject *root;
1653 if (PREFS_SELECTION_ALL != inlayer) {
1654 root = selection->activeContext();
1655 } else {
1656 root = desktop->currentRoot();
1657 }
1659 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1661 if (item) {
1662 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1663 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1664 scroll_to_show_item(desktop, item);
1665 }
1666 }
1667 }
1669 void
1670 sp_selection_item_prev(void)
1671 {
1672 SPDocument *document = SP_ACTIVE_DOCUMENT;
1673 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1674 g_return_if_fail(document != NULL);
1675 g_return_if_fail(desktop != NULL);
1676 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1678 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1679 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1680 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1682 SPObject *root;
1683 if (PREFS_SELECTION_ALL != inlayer) {
1684 root = selection->activeContext();
1685 } else {
1686 root = desktop->currentRoot();
1687 }
1689 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1691 if (item) {
1692 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1693 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1694 scroll_to_show_item(desktop, item);
1695 }
1696 }
1697 }
1699 void sp_selection_next_patheffect_param(SPDesktop * dt)
1700 {
1701 if (!dt) return;
1703 Inkscape::Selection *selection = sp_desktop_selection(dt);
1704 if ( selection && !selection->isEmpty() ) {
1705 SPItem *item = selection->singleItem();
1706 if ( item && SP_IS_SHAPE(item)) {
1707 if (sp_lpe_item_has_path_effect(SP_LPE_ITEM(item))) {
1708 sp_lpe_item_edit_next_param_oncanvas(SP_LPE_ITEM(item), dt);
1709 } else {
1710 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied path effect."));
1711 }
1712 }
1713 }
1714 }
1716 void sp_selection_edit_clip_or_mask(SPDesktop * dt, bool clip)
1717 {
1718 if (!dt) return;
1720 Inkscape::Selection *selection = sp_desktop_selection(dt);
1721 if ( selection && !selection->isEmpty() ) {
1722 SPItem *item = selection->singleItem();
1723 if ( item ) {
1724 SPObject *obj = NULL;
1725 if (clip)
1726 obj = item->clip_ref ? SP_OBJECT(item->clip_ref->getObject()) : NULL;
1727 else
1728 obj = item->mask_ref ? SP_OBJECT(item->mask_ref->getObject()) : NULL;
1730 if (obj) {
1731 // obj is a group object, the children are the actual clippers
1732 for ( SPObject *child = obj->children ; child ; child = child->next ) {
1733 if ( SP_IS_ITEM(child) ) {
1734 // If not already in nodecontext, goto it!
1735 if (!tools_isactive(dt, TOOLS_NODES)) {
1736 tools_switch_current(TOOLS_NODES);
1737 }
1739 ShapeEditor * shape_editor = SP_NODE_CONTEXT( dt->event_context )->shape_editor;
1740 // TODO: should we set the item for nodepath or knotholder or both? seems to work with both.
1741 shape_editor->set_item(SP_ITEM(child), SH_NODEPATH);
1742 shape_editor->set_item(SP_ITEM(child), SH_KNOTHOLDER);
1743 Inkscape::NodePath::Path *np = shape_editor->get_nodepath();
1744 if (np) {
1745 // take colors from prefs (same as used in outline mode)
1746 np->helperpath_rgba = clip ?
1747 prefs_get_int_attribute("options.wireframecolors", "clips", 0x00ff00ff) :
1748 prefs_get_int_attribute("options.wireframecolors", "masks", 0x0000ffff);
1749 np->helperpath_width = 1.0;
1750 sp_nodepath_show_helperpath(np, true);
1751 }
1752 break; // break out of for loop after 1st encountered item
1753 }
1754 }
1755 } else if (clip) {
1756 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied clip path."));
1757 } else {
1758 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied mask."));
1759 }
1760 }
1761 }
1762 }
1765 namespace {
1767 template <typename D>
1768 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1769 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1770 {
1771 SPObject *current=root;
1772 while (items) {
1773 SPItem *item=SP_ITEM(items->data);
1774 if ( root->isAncestorOf(item) &&
1775 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1776 {
1777 current = item;
1778 break;
1779 }
1780 items = items->next;
1781 }
1783 GSList *path=NULL;
1784 while ( current != root ) {
1785 path = g_slist_prepend(path, current);
1786 current = SP_OBJECT_PARENT(current);
1787 }
1789 SPItem *next;
1790 // first, try from the current object
1791 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1792 g_slist_free(path);
1794 if (!next) { // if we ran out of objects, start over at the root
1795 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1796 }
1798 return next;
1799 }
1801 template <typename D>
1802 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1803 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1804 {
1805 typename D::Iterator children;
1806 typename D::Iterator iter;
1808 SPItem *found=NULL;
1810 if (path) {
1811 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1812 g_assert(SP_OBJECT_PARENT(object) == root);
1813 if (desktop->isLayer(object)) {
1814 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1815 }
1816 iter = children = D::siblings_after(object);
1817 } else {
1818 iter = children = D::children(root);
1819 }
1821 while ( iter && !found ) {
1822 SPObject *object=D::object(iter);
1823 if (desktop->isLayer(object)) {
1824 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1825 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1826 }
1827 } else if ( SP_IS_ITEM(object) &&
1828 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1829 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1830 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1831 !desktop->isLayer(SP_ITEM(object)) )
1832 {
1833 found = SP_ITEM(object);
1834 }
1835 iter = D::next(iter);
1836 }
1838 D::dispose(children);
1840 return found;
1841 }
1843 }
1845 /**
1846 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1847 * \a item.
1848 */
1849 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1850 {
1851 NR::Rect dbox = desktop->get_display_area();
1852 boost::optional<NR::Rect> sbox = sp_item_bbox_desktop(item);
1854 if ( sbox && dbox.contains(*sbox) == false ) {
1855 NR::Point const s_dt = sbox->midpoint();
1856 NR::Point const s_w = desktop->d2w(s_dt);
1857 NR::Point const d_dt = dbox.midpoint();
1858 NR::Point const d_w = desktop->d2w(d_dt);
1859 NR::Point const moved_w( d_w - s_w );
1860 gint const dx = (gint) moved_w[X];
1861 gint const dy = (gint) moved_w[Y];
1862 desktop->scroll_world(dx, dy);
1863 }
1864 }
1867 void
1868 sp_selection_clone()
1869 {
1870 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1871 if (desktop == NULL)
1872 return;
1874 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1876 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
1878 // check if something is selected
1879 if (selection->isEmpty()) {
1880 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1881 return;
1882 }
1884 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1886 selection->clear();
1888 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1889 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1891 GSList *newsel = NULL;
1893 while (reprs) {
1894 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1895 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1897 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
1898 clone->setAttribute("x", "0", false);
1899 clone->setAttribute("y", "0", false);
1900 clone->setAttribute("xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")), false);
1902 clone->setAttribute("inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"), false);
1903 clone->setAttribute("inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"), false);
1905 // add the new clone to the top of the original's parent
1906 parent->appendChild(clone);
1908 newsel = g_slist_prepend(newsel, clone);
1909 reprs = g_slist_remove(reprs, sel_repr);
1910 Inkscape::GC::release(clone);
1911 }
1913 // TRANSLATORS: only translate "string" in "context|string".
1914 // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
1915 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
1916 Q_("action|Clone"));
1918 selection->setReprList(newsel);
1920 g_slist_free(newsel);
1921 }
1923 void
1924 sp_selection_relink()
1925 {
1926 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1927 if (!desktop)
1928 return;
1930 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1932 if (selection->isEmpty()) {
1933 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>clones</b> to relink."));
1934 return;
1935 }
1937 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1938 const gchar *newid = cm->getFirstObjectID();
1939 if (!newid) {
1940 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Copy an <b>object</b> to clipboard to relink clones to."));
1941 return;
1942 }
1943 gchar *newref = g_strdup_printf ("#%s", newid);
1945 // Get a copy of current selection.
1946 bool relinked = false;
1947 for (GSList *items = (GSList *) selection->itemList();
1948 items != NULL;
1949 items = items->next)
1950 {
1951 SPItem *item = (SPItem *) items->data;
1953 if (!SP_IS_USE(item))
1954 continue;
1956 SP_OBJECT_REPR(item)->setAttribute("xlink:href", newref);
1957 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
1958 relinked = true;
1959 }
1961 g_free(newref);
1963 if (!relinked) {
1964 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to relink</b> in the selection."));
1965 } else {
1966 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
1967 _("Relink clone"));
1968 }
1969 }
1972 void
1973 sp_selection_unlink()
1974 {
1975 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1976 if (!desktop)
1977 return;
1979 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1981 if (selection->isEmpty()) {
1982 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>clones</b> to unlink."));
1983 return;
1984 }
1986 // Get a copy of current selection.
1987 GSList *new_select = NULL;
1988 bool unlinked = false;
1989 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
1990 items != NULL;
1991 items = items->next)
1992 {
1993 SPItem *item = (SPItem *) items->data;
1995 if (SP_IS_TEXT(item)) {
1996 SPObject *tspan = sp_tref_convert_to_tspan(SP_OBJECT(item));
1998 if (tspan) {
1999 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
2000 }
2002 // Set unlink to true, and fall into the next if which
2003 // will include this text item in the new selection
2004 unlinked = true;
2005 }
2007 if (!(SP_IS_USE(item) || SP_IS_TREF(item))) {
2008 // keep the non-use item in the new selection
2009 new_select = g_slist_prepend(new_select, item);
2010 continue;
2011 }
2013 SPItem *unlink;
2014 if (SP_IS_USE(item)) {
2015 unlink = sp_use_unlink(SP_USE(item));
2016 } else /*if (SP_IS_TREF(use))*/ {
2017 unlink = SP_ITEM(sp_tref_convert_to_tspan(SP_OBJECT(item)));
2018 }
2020 unlinked = true;
2021 // Add ungrouped items to the new selection.
2022 new_select = g_slist_prepend(new_select, unlink);
2023 }
2025 if (new_select) { // set new selection
2026 selection->clear();
2027 selection->setList(new_select);
2028 g_slist_free(new_select);
2029 }
2030 if (!unlinked) {
2031 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2032 }
2034 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2035 _("Unlink clone"));
2036 }
2038 void
2039 sp_select_clone_original()
2040 {
2041 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2042 if (desktop == NULL)
2043 return;
2045 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2047 SPItem *item = selection->singleItem();
2049 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.");
2051 // Check if other than two objects are selected
2052 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2053 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2054 return;
2055 }
2057 SPItem *original = NULL;
2058 if (SP_IS_USE(item)) {
2059 original = sp_use_get_original (SP_USE(item));
2060 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2061 original = sp_offset_get_source (SP_OFFSET(item));
2062 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2063 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2064 } else if (SP_IS_FLOWTEXT(item)) {
2065 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2066 } else { // it's an object that we don't know what to do with
2067 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2068 return;
2069 }
2071 if (!original) {
2072 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2073 return;
2074 }
2076 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2077 if (SP_IS_DEFS (o)) {
2078 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2079 return;
2080 }
2081 }
2083 if (original) {
2085 bool highlight = prefs_get_int_attribute ("options.highlightoriginal", "value", 0);
2086 if (highlight) {
2087 boost::optional<NR::Rect> a = item->getBounds(from_2geom(sp_item_i2d_affine(item)));
2088 boost::optional<NR::Rect> b = original->getBounds(from_2geom(sp_item_i2d_affine(original)));
2089 if ( a && b ) {
2090 // draw a flashing line between the objects
2091 SPCurve *curve = new SPCurve();
2092 curve->moveto(a->midpoint());
2093 curve->lineto(b->midpoint());
2095 SPCanvasItem * canvasitem = sp_canvas_bpath_new(sp_desktop_tempgroup(desktop), curve);
2096 sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(canvasitem), 0x0000ddff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT, 5, 3);
2097 sp_canvas_item_show(canvasitem);
2098 curve->unref();
2099 desktop->add_temporary_canvasitem (canvasitem, 1000);
2100 }
2101 }
2103 selection->clear();
2104 selection->set(original);
2105 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2106 scroll_to_show_item(desktop, original);
2107 }
2108 }
2109 }
2112 void sp_selection_to_marker(bool apply)
2113 {
2114 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2115 if (desktop == NULL)
2116 return;
2118 SPDocument *doc = sp_desktop_document(desktop);
2119 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2121 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2123 // check if something is selected
2124 if (selection->isEmpty()) {
2125 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to marker."));
2126 return;
2127 }
2129 sp_document_ensure_up_to_date(doc);
2130 boost::optional<NR::Rect> r = selection->bounds();
2131 boost::optional<NR::Point> c = selection->center();
2132 if ( !r || !c || r->isEmpty() ) {
2133 return;
2134 }
2136 // calculate the transform to be applied to objects to move them to 0,0
2137 NR::Point move_p = NR::Point(0, sp_document_height(doc)) - *c;
2138 move_p[NR::Y] = -move_p[NR::Y];
2139 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2141 GSList *items = g_slist_copy((GSList *) selection->itemList());
2143 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2145 // bottommost object, after sorting
2146 SPObject *parent = SP_OBJECT_PARENT (items->data);
2148 NR::Matrix parent_transform = from_2geom(sp_item_i2root_affine(SP_ITEM(parent)));
2150 // remember the position of the first item
2151 gint pos = SP_OBJECT_REPR (items->data)->position();
2152 (void)pos; // TODO check why this was remembered
2154 // create a list of duplicates
2155 GSList *repr_copies = NULL;
2156 for (GSList *i = items; i != NULL; i = i->next) {
2157 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2158 repr_copies = g_slist_prepend (repr_copies, dup);
2159 }
2161 NR::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2163 if (apply) {
2164 // delete objects so that their clones don't get alerted; this object will be restored shortly
2165 for (GSList *i = items; i != NULL; i = i->next) {
2166 SPObject *item = SP_OBJECT (i->data);
2167 item->deleteObject (false);
2168 }
2169 }
2171 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2172 // without disturbing clones.
2173 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2174 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2175 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2177 gchar const *mark_id = generate_marker(repr_copies, bounds, doc,
2178 ( NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r->min()[NR::X],
2179 r->max()[NR::Y]))))
2180 * parent_transform.inverse() ),
2181 parent_transform * move);
2182 (void)mark_id;
2184 // restore compensation setting
2185 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2188 g_slist_free (items);
2190 sp_document_done (doc, SP_VERB_EDIT_SELECTION_2_MARKER,
2191 _("Objects to marker"));
2192 }
2194 static void sp_selection_to_guides_recursive(SPItem *item, bool deleteitem, bool wholegroups) {
2195 if (SP_IS_GROUP(item) && !SP_IS_BOX3D(item) && !wholegroups) {
2196 for (GSList *i = sp_item_group_item_list (SP_GROUP(item)); i != NULL; i = i->next) {
2197 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2198 }
2199 } else {
2200 sp_item_convert_item_to_guides(item);
2202 if (deleteitem) {
2203 SP_OBJECT(item)->deleteObject(true);
2204 }
2205 }
2206 }
2208 void sp_selection_to_guides()
2209 {
2210 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2211 if (desktop == NULL)
2212 return;
2214 SPDocument *doc = sp_desktop_document(desktop);
2215 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2216 // we need to copy the list because it gets reset when objects are deleted
2217 GSList *items = g_slist_copy((GSList *) selection->itemList());
2219 if (!items) {
2220 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to guides."));
2221 return;
2222 }
2224 bool deleteitem = (prefs_get_int_attribute("tools", "cvg_keep_objects", 0) == 0);
2225 bool wholegroups = (prefs_get_int_attribute("tools", "cvg_convert_whole_groups", 0) != 0);
2227 for (GSList const *i = items; i != NULL; i = i->next) {
2228 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2229 }
2231 sp_document_done (doc, SP_VERB_EDIT_SELECTION_2_GUIDES, _("Objects to guides"));
2232 }
2234 void
2235 sp_selection_tile(bool apply)
2236 {
2237 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2238 if (desktop == NULL)
2239 return;
2241 SPDocument *doc = sp_desktop_document(desktop);
2242 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2244 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2246 // check if something is selected
2247 if (selection->isEmpty()) {
2248 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2249 return;
2250 }
2252 sp_document_ensure_up_to_date(doc);
2253 boost::optional<NR::Rect> r = selection->bounds();
2254 if ( !r || r->isEmpty() ) {
2255 return;
2256 }
2258 // calculate the transform to be applied to objects to move them to 0,0
2259 NR::Point move_p = NR::Point(0, sp_document_height(doc)) - (r->min() + NR::Point (0, r->extent(NR::Y)));
2260 move_p[NR::Y] = -move_p[NR::Y];
2261 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2263 GSList *items = g_slist_copy((GSList *) selection->itemList());
2265 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2267 // bottommost object, after sorting
2268 SPObject *parent = SP_OBJECT_PARENT (items->data);
2270 NR::Matrix parent_transform = from_2geom(sp_item_i2root_affine(SP_ITEM(parent)));
2272 // remember the position of the first item
2273 gint pos = SP_OBJECT_REPR (items->data)->position();
2275 // create a list of duplicates
2276 GSList *repr_copies = NULL;
2277 for (GSList *i = items; i != NULL; i = i->next) {
2278 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2279 repr_copies = g_slist_prepend (repr_copies, dup);
2280 }
2281 // restore the z-order after prepends
2282 repr_copies = g_slist_reverse (repr_copies);
2284 NR::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2286 if (apply) {
2287 // delete objects so that their clones don't get alerted; this object will be restored shortly
2288 for (GSList *i = items; i != NULL; i = i->next) {
2289 SPObject *item = SP_OBJECT (i->data);
2290 item->deleteObject (false);
2291 }
2292 }
2294 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2295 // without disturbing clones.
2296 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2297 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2298 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2300 gchar const *pat_id = pattern_tile(repr_copies, bounds, doc,
2301 ( NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r->min()[NR::X],
2302 r->max()[NR::Y]))))
2303 * parent_transform.inverse() ),
2304 parent_transform * move);
2306 // restore compensation setting
2307 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2309 if (apply) {
2310 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2311 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2313 NR::Point min = bounds.min() * parent_transform.inverse();
2314 NR::Point max = bounds.max() * parent_transform.inverse();
2316 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2317 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2318 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2319 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2321 // restore parent and position
2322 SP_OBJECT_REPR (parent)->appendChild(rect);
2323 rect->setPosition(pos > 0 ? pos : 0);
2324 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2326 Inkscape::GC::release(rect);
2328 selection->clear();
2329 selection->set(rectangle);
2330 }
2332 g_slist_free (items);
2334 sp_document_done (doc, SP_VERB_EDIT_TILE,
2335 _("Objects to pattern"));
2336 }
2338 void
2339 sp_selection_untile()
2340 {
2341 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2342 if (desktop == NULL)
2343 return;
2345 SPDocument *doc = sp_desktop_document(desktop);
2346 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2348 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2350 // check if something is selected
2351 if (selection->isEmpty()) {
2352 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2353 return;
2354 }
2356 GSList *new_select = NULL;
2358 bool did = false;
2360 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2361 items != NULL;
2362 items = items->next) {
2364 SPItem *item = (SPItem *) items->data;
2366 SPStyle *style = SP_OBJECT_STYLE (item);
2368 if (!style || !style->fill.isPaintserver())
2369 continue;
2371 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2373 if (!SP_IS_PATTERN(server))
2374 continue;
2376 did = true;
2378 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2380 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2381 pat_transform *= item->transform;
2383 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2384 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2385 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2387 // FIXME: relink clones to the new canvas objects
2388 // use SPObject::setid when mental finishes it to steal ids of
2390 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2391 sp_document_ensure_up_to_date (doc);
2393 NR::Matrix transform( i->transform * pat_transform );
2394 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2396 new_select = g_slist_prepend(new_select, i);
2397 }
2399 SPCSSAttr *css = sp_repr_css_attr_new ();
2400 sp_repr_css_set_property (css, "fill", "none");
2401 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2402 }
2404 if (!did) {
2405 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2406 } else {
2407 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2408 _("Pattern to objects"));
2409 selection->setList(new_select);
2410 }
2411 }
2413 void
2414 sp_selection_get_export_hints (Inkscape::Selection *selection, char const **filename, float *xdpi, float *ydpi)
2415 {
2416 if (selection->isEmpty()) {
2417 return;
2418 }
2420 GSList const *reprlst = selection->reprList();
2421 bool filename_search = TRUE;
2422 bool xdpi_search = TRUE;
2423 bool ydpi_search = TRUE;
2425 for(; reprlst != NULL &&
2426 filename_search &&
2427 xdpi_search &&
2428 ydpi_search;
2429 reprlst = reprlst->next) {
2430 gchar const *dpi_string;
2431 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2433 if (filename_search) {
2434 *filename = repr->attribute("inkscape:export-filename");
2435 if (*filename != NULL)
2436 filename_search = FALSE;
2437 }
2439 if (xdpi_search) {
2440 dpi_string = NULL;
2441 dpi_string = repr->attribute("inkscape:export-xdpi");
2442 if (dpi_string != NULL) {
2443 *xdpi = atof(dpi_string);
2444 xdpi_search = FALSE;
2445 }
2446 }
2448 if (ydpi_search) {
2449 dpi_string = NULL;
2450 dpi_string = repr->attribute("inkscape:export-ydpi");
2451 if (dpi_string != NULL) {
2452 *ydpi = atof(dpi_string);
2453 ydpi_search = FALSE;
2454 }
2455 }
2456 }
2457 }
2459 void
2460 sp_document_get_export_hints (SPDocument *doc, char const **filename, float *xdpi, float *ydpi)
2461 {
2462 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2463 gchar const *dpi_string;
2465 *filename = repr->attribute("inkscape:export-filename");
2467 dpi_string = NULL;
2468 dpi_string = repr->attribute("inkscape:export-xdpi");
2469 if (dpi_string != NULL) {
2470 *xdpi = atof(dpi_string);
2471 }
2473 dpi_string = NULL;
2474 dpi_string = repr->attribute("inkscape:export-ydpi");
2475 if (dpi_string != NULL) {
2476 *ydpi = atof(dpi_string);
2477 }
2478 }
2480 void
2481 sp_selection_create_bitmap_copy ()
2482 {
2483 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2484 if (desktop == NULL)
2485 return;
2487 SPDocument *document = sp_desktop_document(desktop);
2488 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2490 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2492 // check if something is selected
2493 if (selection->isEmpty()) {
2494 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2495 return;
2496 }
2498 desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Rendering bitmap..."));
2499 // set "busy" cursor
2500 desktop->setWaitingCursor();
2502 // Get the bounding box of the selection
2503 NRRect bbox;
2504 sp_document_ensure_up_to_date (document);
2505 selection->bounds(&bbox);
2506 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2507 desktop->clearWaitingCursor();
2508 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2509 }
2511 // List of the items to show; all others will be hidden
2512 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2514 // Sort items so that the topmost comes last
2515 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2517 // Generate a random value from the current time (you may create bitmap from the same object(s)
2518 // multiple times, and this is done so that they don't clash)
2519 GTimeVal cu;
2520 g_get_current_time (&cu);
2521 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2523 // Create the filename
2524 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2525 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2526 // digits, and a few other chars, with "_"
2527 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2528 // Build the complete path by adding document->base if set
2529 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2531 //g_print ("%s\n", filepath);
2533 // Remember parent and z-order of the topmost one
2534 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2535 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2536 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2538 // Calculate resolution
2539 double res;
2540 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2541 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2542 if (0 < prefs_res) {
2543 // If it's given explicitly in prefs, take it
2544 res = prefs_res;
2545 } else if (0 < prefs_min) {
2546 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2547 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2548 } else {
2549 float hint_xdpi = 0, hint_ydpi = 0;
2550 char const *hint_filename;
2551 // take resolution hint from the selected objects
2552 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2553 if (hint_xdpi != 0) {
2554 res = hint_xdpi;
2555 } else {
2556 // take resolution hint from the document
2557 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2558 if (hint_xdpi != 0) {
2559 res = hint_xdpi;
2560 } else {
2561 // if all else fails, take the default 90 dpi
2562 res = PX_PER_IN;
2563 }
2564 }
2565 }
2567 // The width and height of the bitmap in pixels
2568 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2569 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2571 // Find out if we have to run an external filter
2572 gchar const *run = NULL;
2573 gchar const *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2574 if (filter) {
2575 // filter command is given;
2576 // see if we have a parameter to pass to it
2577 gchar const *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2578 if (param1) {
2579 if (param1[strlen(param1) - 1] == '%') {
2580 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2581 gchar p1[256];
2582 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2583 // the first param is always the image filename, the second is param1
2584 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2585 } else {
2586 // otherwise pass the param1 unchanged
2587 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2588 }
2589 } else {
2590 // run without extra parameter
2591 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2592 }
2593 }
2595 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2596 NR::Matrix eek = from_2geom(sp_item_i2d_affine (SP_ITEM(parent_object)));
2597 NR::Matrix t;
2599 double shift_x = bbox.x0;
2600 double shift_y = bbox.y1;
2601 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2602 shift_x = round (shift_x);
2603 shift_y = -round (-shift_y); // this gets correct rounding despite coordinate inversion, remove the negations when the inversion is gone
2604 }
2605 t = NR::scale(1, -1) * NR::translate (shift_x, shift_y) * eek.inverse();
2607 // Do the export
2608 sp_export_png_file(document, filepath,
2609 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2610 width, height, res, res,
2611 (guint32) 0xffffff00,
2612 NULL, NULL,
2613 true, /*bool force_overwrite,*/
2614 items);
2616 g_slist_free (items);
2618 // Run filter, if any
2619 if (run) {
2620 g_print ("Running external filter: %s\n", run);
2621 int retval;
2622 retval = system (run);
2623 }
2625 // Import the image back
2626 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2627 if (pb) {
2628 // Create the repr for the image
2629 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2630 repr->setAttribute("xlink:href", filename);
2631 repr->setAttribute("sodipodi:absref", filepath);
2632 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2633 sp_repr_set_svg_double(repr, "width", width);
2634 sp_repr_set_svg_double(repr, "height", height);
2635 } else {
2636 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2637 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2638 }
2640 // Write transform
2641 gchar *c=sp_svg_transform_write(t);
2642 repr->setAttribute("transform", c);
2643 g_free(c);
2645 // add the new repr to the parent
2646 parent->appendChild(repr);
2648 // move to the saved position
2649 repr->setPosition(pos > 0 ? pos + 1 : 1);
2651 // Set selection to the new image
2652 selection->clear();
2653 selection->add(repr);
2655 // Clean up
2656 Inkscape::GC::release(repr);
2657 gdk_pixbuf_unref (pb);
2659 // Complete undoable transaction
2660 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2661 _("Create bitmap"));
2662 }
2664 desktop->clearWaitingCursor();
2666 g_free (filename);
2667 g_free (filepath);
2668 }
2670 /**
2671 * \brief Creates a mask or clipPath from selection
2672 * Two different modes:
2673 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2674 * and is applied to current layer
2675 * otherwise, topmost object is used as mask for other objects
2676 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2677 *
2678 */
2679 void
2680 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2681 {
2682 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2683 if (desktop == NULL)
2684 return;
2686 SPDocument *doc = sp_desktop_document(desktop);
2687 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2689 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2691 // check if something is selected
2692 bool is_empty = selection->isEmpty();
2693 if ( apply_to_layer && is_empty) {
2694 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2695 return;
2696 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2697 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2698 return;
2699 }
2701 // FIXME: temporary patch to prevent crash!
2702 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2703 bool clone_with_original = selection_contains_both_clone_and_original (selection);
2704 if (clone_with_original) {
2705 return; // in this version, you cannot clip/mask an object with its own clone
2706 }
2707 // /END FIXME
2709 sp_document_ensure_up_to_date(doc);
2711 GSList *items = g_slist_copy((GSList *) selection->itemList());
2713 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2715 // create a list of duplicates
2716 GSList *mask_items = NULL;
2717 GSList *apply_to_items = NULL;
2718 GSList *items_to_delete = NULL;
2719 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2720 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2722 if (apply_to_layer) {
2723 // all selected items are used for mask, which is applied to a layer
2724 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2726 for (GSList *i = items; i != NULL; i = i->next) {
2727 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2728 mask_items = g_slist_prepend (mask_items, dup);
2730 if (remove_original) {
2731 SPObject *item = SP_OBJECT (i->data);
2732 items_to_delete = g_slist_prepend (items_to_delete, item);
2733 }
2734 }
2735 } else if (!topmost) {
2736 // topmost item is used as a mask, which is applied to other items in a selection
2737 GSList *i = items;
2738 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2739 mask_items = g_slist_prepend (mask_items, dup);
2741 if (remove_original) {
2742 SPObject *item = SP_OBJECT (i->data);
2743 items_to_delete = g_slist_prepend (items_to_delete, item);
2744 }
2746 for (i = i->next; i != NULL; i = i->next) {
2747 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2748 }
2749 } else {
2750 GSList *i = NULL;
2751 for (i = items; NULL != i->next; i = i->next) {
2752 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2753 }
2755 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2756 mask_items = g_slist_prepend (mask_items, dup);
2758 if (remove_original) {
2759 SPObject *item = SP_OBJECT (i->data);
2760 items_to_delete = g_slist_prepend (items_to_delete, item);
2761 }
2762 }
2764 g_slist_free (items);
2765 items = NULL;
2767 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2768 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2769 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2770 // inverted object transform should be applied to a mask object,
2771 // as mask is calculated in user space (after applying transform)
2772 NR::Matrix maskTransform (item->transform.inverse());
2774 GSList *mask_items_dup = NULL;
2775 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2776 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate(xml_doc);
2777 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2778 }
2780 gchar const *mask_id = NULL;
2781 if (apply_clip_path) {
2782 mask_id = sp_clippath_create(mask_items_dup, doc, &maskTransform);
2783 } else {
2784 mask_id = sp_mask_create(mask_items_dup, doc, &maskTransform);
2785 }
2787 g_slist_free (mask_items_dup);
2788 mask_items_dup = NULL;
2790 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2791 }
2793 g_slist_free (mask_items);
2794 g_slist_free (apply_to_items);
2796 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2797 SPObject *item = SP_OBJECT (i->data);
2798 item->deleteObject (false);
2799 }
2800 g_slist_free (items_to_delete);
2802 if (apply_clip_path)
2803 sp_document_done (doc, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2804 else
2805 sp_document_done (doc, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2806 }
2808 void sp_selection_unset_mask(bool apply_clip_path) {
2809 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2810 if (desktop == NULL)
2811 return;
2813 SPDocument *doc = sp_desktop_document(desktop);
2814 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2815 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2817 // check if something is selected
2818 if (selection->isEmpty()) {
2819 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2820 return;
2821 }
2823 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2824 sp_document_ensure_up_to_date(doc);
2826 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2827 std::map<SPObject*,SPItem*> referenced_objects;
2828 // SPObject* refers to a group containing the clipped path or mask itself,
2829 // whereas SPItem* refers to the item being clipped or masked
2830 for (GSList const *i = selection->itemList(); NULL != i; i = i->next) {
2831 if (remove_original) {
2832 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2833 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2834 Inkscape::URIReference *uri_ref = NULL;
2836 if (apply_clip_path) {
2837 uri_ref = item->clip_ref;
2838 } else {
2839 uri_ref = item->mask_ref;
2840 }
2842 // collect distinct mask object (and associate with item to apply transform)
2843 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2844 referenced_objects[uri_ref->getObject()] = item;
2845 }
2846 }
2848 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2849 }
2851 // restore mask objects into a document
2852 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2853 SPObject *obj = (*it).first; // Group containing the clipped paths or masks
2854 GSList *items_to_move = NULL;
2855 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2856 // Collect all clipped paths and masks within a single group
2857 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2858 items_to_move = g_slist_prepend (items_to_move, copy);
2859 }
2861 if (!obj->isReferenced()) {
2862 // delete from defs if no other object references this mask
2863 obj->deleteObject(false);
2864 }
2866 // remember parent and position of the item to which the clippath/mask was applied
2867 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2868 gint pos = SP_OBJECT_REPR((*it).second)->position();
2870 // Iterate through all clipped paths / masks
2871 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2872 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2874 // insert into parent, restore pos
2875 parent->appendChild(repr);
2876 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2878 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2879 selection->add(repr);
2881 // transform mask, so it is moved the same spot where mask was applied
2882 NR::Matrix transform (mask_item->transform);
2883 transform *= (*it).second->transform;
2884 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2885 }
2887 g_slist_free (items_to_move);
2888 }
2890 if (apply_clip_path)
2891 sp_document_done (doc, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2892 else
2893 sp_document_done (doc, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2894 }
2896 /**
2897 * Returns true if an undoable change should be recorded.
2898 */
2899 bool
2900 fit_canvas_to_selection(SPDesktop *desktop)
2901 {
2902 g_return_val_if_fail(desktop != NULL, false);
2903 SPDocument *doc = sp_desktop_document(desktop);
2905 g_return_val_if_fail(doc != NULL, false);
2906 g_return_val_if_fail(desktop->selection != NULL, false);
2908 if (desktop->selection->isEmpty()) {
2909 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to fit canvas to."));
2910 return false;
2911 }
2912 boost::optional<NR::Rect> const bbox(desktop->selection->bounds());
2913 if (bbox && !bbox->isEmpty()) {
2914 doc->fitToRect(*bbox);
2915 return true;
2916 } else {
2917 return false;
2918 }
2919 }
2921 /**
2922 * Fit canvas to the bounding box of the selection, as an undoable action.
2923 */
2924 void
2925 verb_fit_canvas_to_selection(SPDesktop *const desktop)
2926 {
2927 if (fit_canvas_to_selection(desktop)) {
2928 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_SELECTION,
2929 _("Fit Page to Selection"));
2930 }
2931 }
2933 bool
2934 fit_canvas_to_drawing(SPDocument *doc)
2935 {
2936 g_return_val_if_fail(doc != NULL, false);
2938 sp_document_ensure_up_to_date(doc);
2939 SPItem const *const root = SP_ITEM(doc->root);
2940 boost::optional<NR::Rect> const bbox(root->getBounds(from_2geom(sp_item_i2r_affine(root))));
2941 if (bbox && !bbox->isEmpty()) {
2942 doc->fitToRect(*bbox);
2943 return true;
2944 } else {
2945 return false;
2946 }
2947 }
2949 void
2950 verb_fit_canvas_to_drawing(SPDesktop *desktop)
2951 {
2952 if (fit_canvas_to_drawing(sp_desktop_document(desktop))) {
2953 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_DRAWING,
2954 _("Fit Page to Drawing"));
2955 }
2956 }
2958 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2959 g_return_if_fail(desktop != NULL);
2960 SPDocument *doc = sp_desktop_document(desktop);
2962 g_return_if_fail(doc != NULL);
2963 g_return_if_fail(desktop->selection != NULL);
2965 bool const changed = ( desktop->selection->isEmpty()
2966 ? fit_canvas_to_drawing(doc)
2967 : fit_canvas_to_selection(desktop) );
2968 if (changed) {
2969 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_SELECTION_OR_DRAWING,
2970 _("Fit Page to Selection or Drawing"));
2971 }
2972 };
2974 static void itemtree_map(void (*f)(SPItem *, SPDesktop *), SPObject *root, SPDesktop *desktop) {
2975 // don't operate on layers
2976 if (SP_IS_ITEM(root) && !desktop->isLayer(SP_ITEM(root))) {
2977 f(SP_ITEM(root), desktop);
2978 }
2979 for ( SPObject::SiblingIterator iter = root->firstChild() ; iter ; ++iter ) {
2980 //don't recurse into locked layers
2981 if (!(SP_IS_ITEM(&*iter) && desktop->isLayer(SP_ITEM(&*iter)) && SP_ITEM(&*iter)->isLocked())) {
2982 itemtree_map(f, iter, desktop);
2983 }
2984 }
2985 }
2987 static void unlock(SPItem *item, SPDesktop */*desktop*/) {
2988 if (item->isLocked()) {
2989 item->setLocked(FALSE);
2990 }
2991 }
2993 static void unhide(SPItem *item, SPDesktop *desktop) {
2994 if (desktop->itemIsHidden(item)) {
2995 item->setExplicitlyHidden(FALSE);
2996 }
2997 }
2999 static void process_all(void (*f)(SPItem *, SPDesktop *), SPDesktop *dt, bool layer_only) {
3000 if (!dt) return;
3002 SPObject *root;
3003 if (layer_only) {
3004 root = dt->currentLayer();
3005 } else {
3006 root = dt->currentRoot();
3007 }
3009 itemtree_map(f, root, dt);
3010 }
3012 void unlock_all(SPDesktop *dt) {
3013 process_all(&unlock, dt, true);
3014 }
3016 void unlock_all_in_all_layers(SPDesktop *dt) {
3017 process_all(&unlock, dt, false);
3018 }
3020 void unhide_all(SPDesktop *dt) {
3021 process_all(&unhide, dt, true);
3022 }
3024 void unhide_all_in_all_layers(SPDesktop *dt) {
3025 process_all(&unhide, dt, false);
3026 }
3029 /*
3030 Local Variables:
3031 mode:c++
3032 c-file-style:"stroustrup"
3033 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
3034 indent-tabs-mode:nil
3035 fill-column:99
3036 End:
3037 */
3038 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :