1 #define __SP_SELECTION_CHEMISTRY_C__
3 /*
4 * 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 <gtkmm/clipboard.h>
25 #include "svg/svg.h"
26 #include "inkscape.h"
27 #include "desktop.h"
28 #include "desktop-style.h"
29 #include "selection.h"
30 #include "tools-switch.h"
31 #include "desktop-handles.h"
32 #include "message-stack.h"
33 #include "sp-item-transform.h"
34 #include "marker.h"
35 #include "sp-use.h"
36 #include "sp-textpath.h"
37 #include "sp-tspan.h"
38 #include "sp-flowtext.h"
39 #include "sp-flowregion.h"
40 #include "text-editing.h"
41 #include "text-context.h"
42 #include "connector-context.h"
43 #include "sp-path.h"
44 #include "sp-conn-end.h"
45 #include "dropper-context.h"
46 #include <glibmm/i18n.h>
47 #include "libnr/nr-matrix-rotate-ops.h"
48 #include "libnr/nr-matrix-translate-ops.h"
49 #include "libnr/nr-rotate-fns.h"
50 #include "libnr/nr-scale-ops.h"
51 #include "libnr/nr-scale-translate-ops.h"
52 #include "libnr/nr-translate-matrix-ops.h"
53 #include "libnr/nr-translate-scale-ops.h"
54 #include "xml/repr.h"
55 #include "style.h"
56 #include "document-private.h"
57 #include "sp-gradient.h"
58 #include "sp-gradient-reference.h"
59 #include "sp-linear-gradient-fns.h"
60 #include "sp-pattern.h"
61 #include "sp-radial-gradient-fns.h"
62 #include "sp-namedview.h"
63 #include "prefs-utils.h"
64 #include "sp-offset.h"
65 #include "sp-clippath.h"
66 #include "sp-mask.h"
67 #include "file.h"
68 #include "helper/png-write.h"
69 #include "layer-fns.h"
70 #include "context-fns.h"
71 #include <map>
72 #include "helper/units.h"
73 #include "sp-item.h"
74 #include "unit-constants.h"
75 using NR::X;
76 using NR::Y;
78 #include "selection-chemistry.h"
80 /* fixme: find a better place */
81 GSList *clipboard = NULL;
82 GSList *defs_clipboard = NULL;
83 SPCSSAttr *style_clipboard = NULL;
84 NR::Rect size_clipboard(NR::Point(0,0), NR::Point(0,0));
86 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
88 /**
89 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
90 * then prepends the copy to 'clip'.
91 */
92 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
93 {
94 Inkscape::XML::Node *copy = repr->duplicate();
96 // copy complete inherited style
97 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
98 sp_repr_css_set(copy, css, "style");
99 sp_repr_css_attr_unref(css);
101 // write the complete accumulated transform passed to us
102 // (we're dealing with unattached repr, so we write to its attr
103 // instead of using sp_item_set_transform)
104 gchar *affinestr=sp_svg_transform_write(full_t);
105 copy->setAttribute("transform", affinestr);
106 g_free(affinestr);
108 *clip = g_slist_prepend(*clip, copy);
109 }
111 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
112 {
114 // Copy stuff referenced by all items to defs_clip:
115 if (defs_clip) {
116 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
117 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
118 }
119 *defs_clip = g_slist_reverse(*defs_clip);
120 }
122 // Store style:
123 if (style_clip) {
124 SPItem *item = SP_ITEM (items->data); // take from the first selected item
125 *style_clip = take_style_from_item (item);
126 }
128 if (clip) {
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), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
136 }
138 *clip = g_slist_reverse(*clip);
139 g_slist_free ((GSList *) sorted_items);
140 }
141 }
143 /**
144 * Add gradients/patterns/markers referenced by copied objects to defs.
145 * Iterates through 'defs_clip', and for each item it adds the data
146 * repr into the global defs.
147 */
148 void
149 paste_defs (GSList **defs_clip, SPDocument *doc)
150 {
151 if (!defs_clip)
152 return;
154 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
155 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
156 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
157 gchar const *id = repr->attribute("id");
158 if (!id || !doc->getObjectById(id)) {
159 Inkscape::XML::Node *copy = repr->duplicate();
160 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
161 Inkscape::GC::release(copy);
162 }
163 }
164 }
166 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
167 {
168 paste_defs (defs_clip, document);
170 GSList *copied = NULL;
171 // add objects to document
172 for (GSList *l = *clip; l != NULL; l = l->next) {
173 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
174 Inkscape::XML::Node *copy = repr->duplicate();
176 // premultiply the item transform by the accumulated parent transform in the paste layer
177 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
178 if (!local.test_identity()) {
179 gchar const *t_str = copy->attribute("transform");
180 NR::Matrix item_t (NR::identity());
181 if (t_str)
182 sp_svg_transform_read(t_str, &item_t);
183 item_t *= local.inverse();
184 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
185 gchar *affinestr=sp_svg_transform_write(item_t);
186 copy->setAttribute("transform", affinestr);
187 g_free(affinestr);
188 }
190 parent->appendChildRepr(copy);
191 copied = g_slist_prepend(copied, copy);
192 Inkscape::GC::release(copy);
193 }
194 return copied;
195 }
197 void sp_selection_delete_impl(const GSList *items)
198 {
199 for (const GSList *i = items ; i ; i = i->next ) {
200 sp_object_ref((SPObject *)i->data, NULL);
201 }
202 for (const GSList *i = items; i != NULL; i = i->next) {
203 SPItem *item = (SPItem *) i->data;
204 SP_OBJECT(item)->deleteObject();
205 sp_object_unref((SPObject *)item, NULL);
206 }
207 }
210 void sp_selection_delete()
211 {
212 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
213 if (desktop == NULL) {
214 return;
215 }
217 if (tools_isactive (desktop, TOOLS_TEXT))
218 if (sp_text_delete_selection(desktop->event_context)) {
219 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
220 _("Delete text"));
221 return;
222 }
224 Inkscape::Selection *selection = sp_desktop_selection(desktop);
226 // check if something is selected
227 if (selection->isEmpty()) {
228 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
229 return;
230 }
232 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
233 selection->clear();
234 sp_selection_delete_impl (selected);
235 g_slist_free ((GSList *) selected);
237 /* a tool may have set up private information in it's selection context
238 * that depends on desktop items. I think the only sane way to deal with
239 * this currently is to reset the current tool, which will reset it's
240 * associated selection context. For example: deleting an object
241 * while moving it around the canvas.
242 */
243 tools_switch ( desktop, tools_active ( desktop ) );
245 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
246 _("Delete"));
247 }
249 /* fixme: sequencing */
250 void sp_selection_duplicate()
251 {
252 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
253 if (desktop == NULL)
254 return;
256 Inkscape::Selection *selection = sp_desktop_selection(desktop);
258 // check if something is selected
259 if (selection->isEmpty()) {
260 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
261 return;
262 }
264 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
266 selection->clear();
268 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
269 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
271 GSList *newsel = NULL;
273 while (reprs) {
274 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
275 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
277 parent->appendChild(copy);
279 newsel = g_slist_prepend(newsel, copy);
280 reprs = g_slist_remove(reprs, reprs->data);
281 Inkscape::GC::release(copy);
282 }
284 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
285 _("Duplicate"));
287 selection->setReprList(newsel);
289 g_slist_free(newsel);
290 }
292 void sp_edit_clear_all()
293 {
294 SPDesktop *dt = SP_ACTIVE_DESKTOP;
295 if (!dt)
296 return;
298 SPDocument *doc = sp_desktop_document(dt);
299 sp_desktop_selection(dt)->clear();
301 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
302 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
304 while (items) {
305 SP_OBJECT (items->data)->deleteObject();
306 items = g_slist_remove(items, items->data);
307 }
309 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
310 _("Delete all"));
311 }
313 GSList *
314 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
315 {
316 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
317 if (SP_IS_ITEM(child) &&
318 !desktop->isLayer(SP_ITEM(child)) &&
319 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
320 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
321 (!exclude || !g_slist_find ((GSList *) exclude, child))
322 )
323 {
324 list = g_slist_prepend (list, SP_ITEM(child));
325 }
327 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
328 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
329 }
330 }
332 return list;
333 }
335 void sp_edit_select_all_full (bool force_all_layers, bool invert)
336 {
337 SPDesktop *dt = SP_ACTIVE_DESKTOP;
338 if (!dt)
339 return;
341 Inkscape::Selection *selection = sp_desktop_selection(dt);
343 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
345 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
346 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
347 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
349 GSList *items = NULL;
351 const GSList *exclude = NULL;
352 if (invert) {
353 exclude = selection->itemList();
354 }
356 if (force_all_layers)
357 inlayer = PREFS_SELECTION_ALL;
359 switch (inlayer) {
360 case PREFS_SELECTION_LAYER: {
361 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
362 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
363 return;
365 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
367 for (GSList *i = all_items; i; i = i->next) {
368 SPItem *item = SP_ITEM (i->data);
370 if (item && (!onlysensitive || !item->isLocked())) {
371 if (!onlyvisible || !dt->itemIsHidden(item)) {
372 if (!dt->isLayer(item)) {
373 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
374 items = g_slist_prepend (items, item); // leave it in the list
375 }
376 }
377 }
378 }
379 }
381 g_slist_free (all_items);
382 break;
383 }
384 case PREFS_SELECTION_LAYER_RECURSIVE: {
385 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
386 break;
387 }
388 default: {
389 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
390 break;
391 }
392 }
394 selection->setList (items);
396 if (items) {
397 g_slist_free (items);
398 }
399 }
401 void sp_edit_select_all ()
402 {
403 sp_edit_select_all_full (false, false);
404 }
406 void sp_edit_select_all_in_all_layers ()
407 {
408 sp_edit_select_all_full (true, false);
409 }
411 void sp_edit_invert ()
412 {
413 sp_edit_select_all_full (false, true);
414 }
416 void sp_edit_invert_in_all_layers ()
417 {
418 sp_edit_select_all_full (true, true);
419 }
421 void sp_selection_group()
422 {
423 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
424 if (desktop == NULL)
425 return;
427 SPDocument *document = sp_desktop_document (desktop);
428 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
430 Inkscape::Selection *selection = sp_desktop_selection(desktop);
432 // Check if something is selected.
433 if (selection->isEmpty()) {
434 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
435 return;
436 }
438 GSList const *l = (GSList *) selection->reprList();
440 GSList *p = g_slist_copy((GSList *) l);
442 selection->clear();
444 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
446 // Remember the position and parent of the topmost object.
447 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
448 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
450 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
452 while (p) {
453 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
455 if (current->parent() == topmost_parent) {
456 Inkscape::XML::Node *spnew = current->duplicate();
457 sp_repr_unparent(current);
458 group->appendChild(spnew);
459 Inkscape::GC::release(spnew);
460 topmost --; // only reduce count for those items deleted from topmost_parent
461 } else { // move it to topmost_parent first
462 GSList *temp_clip = NULL;
464 // At this point, current may already have no item, due to its being a clone whose original is already moved away
465 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
466 gchar const *t_str = current->attribute("transform");
467 NR::Matrix item_t (NR::identity());
468 if (t_str)
469 sp_svg_transform_read(t_str, &item_t);
470 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
471 //FIXME: when moving both clone and original from a transformed group (either by
472 //grouping into another parent, or by cut/paste) the transform from the original's
473 //parent becomes embedded into original itself, and this affects its clones. Fix
474 //this by remembering the transform diffs we write to each item into an array and
475 //then, if this is clone, looking up its original in that array and pre-multiplying
476 //it by the inverse of that original's transform diff.
478 sp_selection_copy_one (current, item_t, &temp_clip);
479 sp_repr_unparent(current);
481 // paste into topmost_parent (temporarily)
482 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
483 if (temp_clip) g_slist_free (temp_clip);
484 if (copied) { // if success,
485 // take pasted object (now in topmost_parent)
486 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
487 // make a copy
488 Inkscape::XML::Node *spnew = in_topmost->duplicate();
489 // remove pasted
490 sp_repr_unparent(in_topmost);
491 // put its copy into group
492 group->appendChild(spnew);
493 Inkscape::GC::release(spnew);
494 g_slist_free (copied);
495 }
496 }
497 p = g_slist_remove(p, current);
498 }
500 // Add the new group to the topmost members' parent
501 topmost_parent->appendChild(group);
503 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
504 group->setPosition(topmost + 1);
506 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
507 _("Group"));
509 selection->set(group);
510 Inkscape::GC::release(group);
511 }
513 void sp_selection_ungroup()
514 {
515 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
516 if (desktop == NULL)
517 return;
519 Inkscape::Selection *selection = sp_desktop_selection(desktop);
521 if (selection->isEmpty()) {
522 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
523 return;
524 }
526 GSList *items = g_slist_copy((GSList *) selection->itemList());
527 selection->clear();
529 // Get a copy of current selection.
530 GSList *new_select = NULL;
531 bool ungrouped = false;
532 for (GSList *i = items;
533 i != NULL;
534 i = i->next)
535 {
536 SPItem *group = (SPItem *) i->data;
538 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
539 if (!SP_IS_OBJECT(group)) {
540 continue;
541 }
543 /* We do not allow ungrouping <svg> etc. (lauris) */
544 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
545 // keep the non-group item in the new selection
546 selection->add(group);
547 continue;
548 }
550 GSList *children = NULL;
551 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
552 sp_item_group_ungroup(SP_GROUP(group), &children, false);
553 ungrouped = true;
554 // Add ungrouped items to the new selection.
555 new_select = g_slist_concat(new_select, children);
556 }
558 if (new_select) { // Set new selection.
559 selection->addList(new_select);
560 g_slist_free(new_select);
561 }
562 if (!ungrouped) {
563 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
564 }
566 g_slist_free(items);
568 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
569 _("Ungroup"));
570 }
572 static SPGroup *
573 sp_item_list_common_parent_group(const GSList *items)
574 {
575 if (!items) {
576 return NULL;
577 }
578 SPObject *parent = SP_OBJECT_PARENT(items->data);
579 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
580 if (!SP_IS_GROUP(parent)) {
581 return NULL;
582 }
583 for (items = items->next; items; items = items->next) {
584 if (SP_OBJECT_PARENT(items->data) != parent) {
585 return NULL;
586 }
587 }
589 return SP_GROUP(parent);
590 }
592 /** Finds out the minimum common bbox of the selected items
593 */
594 static NR::Maybe<NR::Rect>
595 enclose_items(const GSList *items)
596 {
597 g_assert(items != NULL);
599 NR::Maybe<NR::Rect> r = NR::Nothing();
600 for (GSList const *i = items; i; i = i->next) {
601 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
602 }
603 return r;
604 }
606 SPObject *
607 prev_sibling(SPObject *child)
608 {
609 SPObject *parent = SP_OBJECT_PARENT(child);
610 if (!SP_IS_GROUP(parent)) {
611 return NULL;
612 }
613 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
614 if (i->next == child)
615 return i;
616 }
617 return NULL;
618 }
620 void
621 sp_selection_raise()
622 {
623 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
624 if (!desktop)
625 return;
627 Inkscape::Selection *selection = sp_desktop_selection(desktop);
629 GSList const *items = (GSList *) selection->itemList();
630 if (!items) {
631 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
632 return;
633 }
635 SPGroup const *group = sp_item_list_common_parent_group(items);
636 if (!group) {
637 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
638 return;
639 }
641 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
643 /* construct reverse-ordered list of selected children */
644 GSList *rev = g_slist_copy((GSList *) items);
645 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
647 // find out the common bbox of the selected items
648 NR::Maybe<NR::Rect> selected = enclose_items(items);
650 // for all objects in the selection (starting from top)
651 if (selected) {
652 while (rev) {
653 SPObject *child = SP_OBJECT(rev->data);
654 // for each selected object, find the next sibling
655 for (SPObject *newref = child->next; newref; newref = newref->next) {
656 // if the sibling is an item AND overlaps our selection,
657 if (SP_IS_ITEM(newref) && selected->intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
658 // AND if it's not one of our selected objects,
659 if (!g_slist_find((GSList *) items, newref)) {
660 // move the selected object after that sibling
661 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
662 }
663 break;
664 }
665 }
666 rev = g_slist_remove(rev, child);
667 }
668 } else {
669 g_slist_free(rev);
670 }
672 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
673 _("Raise"));
674 }
676 void sp_selection_raise_to_top()
677 {
678 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
679 if (desktop == NULL)
680 return;
682 SPDocument *document = sp_desktop_document(desktop);
683 Inkscape::Selection *selection = sp_desktop_selection(desktop);
685 if (selection->isEmpty()) {
686 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
687 return;
688 }
690 GSList const *items = (GSList *) selection->itemList();
692 SPGroup const *group = sp_item_list_common_parent_group(items);
693 if (!group) {
694 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
695 return;
696 }
698 GSList *rl = g_slist_copy((GSList *) selection->reprList());
699 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
701 for (GSList *l = rl; l != NULL; l = l->next) {
702 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
703 repr->setPosition(-1);
704 }
706 g_slist_free(rl);
708 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
709 _("Raise to top"));
710 }
712 void
713 sp_selection_lower()
714 {
715 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
716 if (desktop == NULL)
717 return;
719 Inkscape::Selection *selection = sp_desktop_selection(desktop);
721 GSList const *items = (GSList *) selection->itemList();
722 if (!items) {
723 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
724 return;
725 }
727 SPGroup const *group = sp_item_list_common_parent_group(items);
728 if (!group) {
729 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
730 return;
731 }
733 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
735 // find out the common bbox of the selected items
736 NR::Maybe<NR::Rect> selected = enclose_items(items);
738 /* construct direct-ordered list of selected children */
739 GSList *rev = g_slist_copy((GSList *) items);
740 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
741 rev = g_slist_reverse(rev);
743 // for all objects in the selection (starting from top)
744 if (selected) {
745 while (rev) {
746 SPObject *child = SP_OBJECT(rev->data);
747 // for each selected object, find the prev sibling
748 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
749 // if the sibling is an item AND overlaps our selection,
750 if (SP_IS_ITEM(newref) && selected->intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
751 // AND if it's not one of our selected objects,
752 if (!g_slist_find((GSList *) items, newref)) {
753 // move the selected object before that sibling
754 SPObject *put_after = prev_sibling(newref);
755 if (put_after)
756 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
757 else
758 SP_OBJECT_REPR(child)->setPosition(0);
759 }
760 break;
761 }
762 }
763 rev = g_slist_remove(rev, child);
764 }
765 } else {
766 g_slist_free(rev);
767 }
769 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
770 _("Lower"));
771 }
773 void sp_selection_lower_to_bottom()
774 {
775 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
776 if (desktop == NULL)
777 return;
779 SPDocument *document = sp_desktop_document(desktop);
780 Inkscape::Selection *selection = sp_desktop_selection(desktop);
782 if (selection->isEmpty()) {
783 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
784 return;
785 }
787 GSList const *items = (GSList *) selection->itemList();
789 SPGroup const *group = sp_item_list_common_parent_group(items);
790 if (!group) {
791 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
792 return;
793 }
795 GSList *rl;
796 rl = g_slist_copy((GSList *) selection->reprList());
797 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
798 rl = g_slist_reverse(rl);
800 for (GSList *l = rl; l != NULL; l = l->next) {
801 gint minpos;
802 SPObject *pp, *pc;
803 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
804 pp = document->getObjectByRepr(sp_repr_parent(repr));
805 minpos = 0;
806 g_assert(SP_IS_GROUP(pp));
807 pc = sp_object_first_child(pp);
808 while (!SP_IS_ITEM(pc)) {
809 minpos += 1;
810 pc = pc->next;
811 }
812 repr->setPosition(minpos);
813 }
815 g_slist_free(rl);
817 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
818 _("Lower to bottom"));
819 }
821 void
822 sp_undo(SPDesktop *desktop, SPDocument *)
823 {
824 if (!sp_document_undo(sp_desktop_document(desktop)))
825 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
826 }
828 void
829 sp_redo(SPDesktop *desktop, SPDocument *)
830 {
831 if (!sp_document_redo(sp_desktop_document(desktop)))
832 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
833 }
835 void sp_selection_cut()
836 {
837 sp_selection_copy();
838 sp_selection_delete();
839 }
841 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
842 {
843 SPGradient *ref = gradient;
845 while (ref) {
846 // climb up the refs, copying each one in the chain
847 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
848 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
850 ref = ref->ref->getObject();
851 }
852 }
854 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
855 {
856 SPPattern *ref = pattern;
858 while (ref) {
859 // climb up the refs, copying each one in the chain
860 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
861 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
863 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
864 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
865 if (!SP_IS_ITEM (child))
866 continue;
867 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
868 }
870 ref = ref->ref->getObject();
871 }
872 }
874 void sp_copy_single (GSList **defs_clip, SPObject *thing)
875 {
876 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate();
877 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
878 }
881 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
882 {
883 SPItem *path = sp_textpath_get_path_item (tp);
884 if (!path)
885 return;
886 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
887 return;
888 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
889 *defs_clip = g_slist_prepend (*defs_clip, repr);
890 }
892 /**
893 * Copies things like patterns, markers, gradients, etc.
894 */
895 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
896 {
897 SPStyle *style = SP_OBJECT_STYLE (item);
899 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
900 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
901 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
902 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
903 if (SP_IS_PATTERN (server))
904 sp_copy_pattern (defs_clip, SP_PATTERN(server));
905 }
907 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
908 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
909 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
910 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
911 if (SP_IS_PATTERN (server))
912 sp_copy_pattern (defs_clip, SP_PATTERN(server));
913 }
915 // For shapes, copy all of the shape's markers into defs_clip
916 if (SP_IS_SHAPE (item)) {
917 SPShape *shape = SP_SHAPE (item);
918 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
919 if (shape->marker[i]) {
920 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]));
921 }
922 }
923 }
925 if (SP_IS_TEXT_TEXTPATH (item)) {
926 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
927 }
929 if (item->clip_ref->getObject()) {
930 sp_copy_single (defs_clip, item->clip_ref->getObject());
931 }
933 if (item->mask_ref->getObject()) {
934 SPObject *mask = item->mask_ref->getObject();
935 sp_copy_single (defs_clip, mask);
936 // recurse into the mask for its gradients etc.
937 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
938 if (SP_IS_ITEM(o))
939 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
940 }
941 }
943 if (style->filter.filter) {
944 SPObject *filter = style->filter.filter;
945 if (SP_IS_FILTER(filter)) {
946 sp_copy_single (defs_clip, filter);
947 }
948 }
950 // recurse
951 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
952 if (SP_IS_ITEM(o))
953 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
954 }
955 }
957 /**
958 * \pre item != NULL
959 */
960 SPCSSAttr *
961 take_style_from_item (SPItem *item)
962 {
963 // write the complete cascaded style, context-free
964 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
965 if (css == NULL)
966 return NULL;
968 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
969 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
970 // if this is a text with exactly one tspan child, merge the style of that tspan as well
971 // If this is a group, merge the style of its topmost (last) child with style
972 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
973 if (SP_OBJECT_STYLE (last_element) != NULL) {
974 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
975 if (temp) {
976 sp_repr_css_merge (css, temp);
977 sp_repr_css_attr_unref (temp);
978 }
979 break;
980 }
981 }
982 }
983 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
984 // do not copy text properties from non-text objects, it's confusing
985 css = sp_css_attr_unset_text (css);
986 }
988 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
989 double ex = NR::expansion(sp_item_i2doc_affine(item));
990 if (ex != 1.0) {
991 css = sp_css_attr_scale (css, ex);
992 }
994 return css;
995 }
998 void sp_selection_copy()
999 {
1000 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1001 if (desktop == NULL)
1002 return;
1004 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1006 if (tools_isactive (desktop, TOOLS_DROPPER)) {
1007 sp_dropper_context_copy(desktop->event_context);
1008 return; // copied color under cursor, nothing else to do
1009 }
1011 // check if something is selected
1012 if (selection->isEmpty()) {
1013 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1014 return;
1015 }
1017 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1019 // 0. Copy text to system clipboard
1020 // FIXME: for non-texts, put serialized XML as text to the clipboard;
1021 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1022 Glib::ustring text;
1023 if (tools_isactive (desktop, TOOLS_TEXT)) {
1024 text = sp_text_get_selected_text(desktop->event_context);
1025 }
1027 if (text.empty()) {
1028 guint texts = 0;
1029 for (GSList *i = (GSList *) items; i; i = i->next) {
1030 SPItem *item = SP_ITEM (i->data);
1031 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1032 if (texts > 0) // if more than one text object is copied, separate them by spaces
1033 text += " ";
1034 gchar *this_text = sp_te_get_string_multiline (item);
1035 if (this_text) {
1036 text += this_text;
1037 g_free(this_text);
1038 }
1039 texts++;
1040 }
1041 }
1042 }
1043 if (!text.empty()) {
1044 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1045 refClipboard->set_text(text);
1046 }
1048 // clear old defs clipboard
1049 while (defs_clipboard) {
1050 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1051 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1052 }
1054 // clear style clipboard
1055 if (style_clipboard) {
1056 sp_repr_css_attr_unref (style_clipboard);
1057 style_clipboard = NULL;
1058 }
1060 //clear main clipboard
1061 while (clipboard) {
1062 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1063 clipboard = g_slist_remove(clipboard, clipboard->data);
1064 }
1066 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1068 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1069 SPStyle *const query = sp_style_new();
1070 if (sp_desktop_query_style_all (desktop, query)) {
1071 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1072 if (css != NULL) {
1073 // clear style clipboard
1074 if (style_clipboard) {
1075 sp_repr_css_attr_unref (style_clipboard);
1076 style_clipboard = NULL;
1077 }
1078 //sp_repr_css_print (css);
1079 style_clipboard = css;
1080 }
1081 }
1082 g_free (query);
1083 }
1085 size_clipboard = selection->bounds();
1087 g_slist_free ((GSList *) items);
1088 }
1090 void sp_selection_paste(bool in_place)
1091 {
1092 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1094 if (desktop == NULL) {
1095 return;
1096 }
1098 SPDocument *document = sp_desktop_document(desktop);
1100 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1101 return;
1102 }
1104 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1106 if (tools_isactive (desktop, TOOLS_TEXT)) {
1107 if (sp_text_paste_inline(desktop->event_context))
1108 return; // pasted from system clipboard into text, nothing else to do
1109 }
1111 // check if something is in the clipboard
1112 if (clipboard == NULL) {
1113 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1114 return;
1115 }
1117 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1118 // add pasted objects to selection
1119 selection->setReprList((GSList const *) copied);
1120 g_slist_free (copied);
1122 if (!in_place) {
1123 sp_document_ensure_up_to_date(document);
1125 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1127 /* Snap the offset of the new item(s) to the grid */
1128 /* FIXME: this gridsnap fiddling is a hack. */
1129 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1130 gdouble const curr_gridsnap = s.getDistance();
1131 s.setDistance(NR_HUGE);
1132 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1133 s.setDistance(curr_gridsnap);
1134 sp_selection_move_relative(selection, m);
1135 }
1137 sp_document_done(document, SP_VERB_EDIT_PASTE,
1138 _("Paste"));
1139 }
1141 void sp_selection_paste_style()
1142 {
1143 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1144 if (desktop == NULL) return;
1146 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1148 // check if something is in the clipboard
1149 if (clipboard == NULL) {
1150 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1151 return;
1152 }
1154 // check if something is selected
1155 if (selection->isEmpty()) {
1156 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1157 return;
1158 }
1160 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1162 sp_desktop_set_style (desktop, style_clipboard);
1164 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1165 _("Paste style"));
1166 }
1168 void sp_selection_paste_size (bool apply_x, bool apply_y)
1169 {
1170 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1171 if (desktop == NULL) return;
1173 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1175 // check if something is in the clipboard
1176 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1177 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1178 return;
1179 }
1181 // check if something is selected
1182 if (selection->isEmpty()) {
1183 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1184 return;
1185 }
1187 NR::Rect current = selection->bounds();
1188 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1189 return;
1190 }
1192 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1193 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1195 sp_selection_scale_relative (selection, current.midpoint(),
1196 NR::scale(
1197 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1198 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1200 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1201 _("Paste size"));
1202 }
1204 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1205 {
1206 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1207 if (desktop == NULL) return;
1209 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1211 // check if something is in the clipboard
1212 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1213 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1214 return;
1215 }
1217 // check if something is selected
1218 if (selection->isEmpty()) {
1219 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1220 return;
1221 }
1223 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1224 SPItem *item = SP_ITEM(l->data);
1226 NR::Rect current = sp_item_bbox_desktop(item);
1227 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1228 continue;
1229 }
1231 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1232 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1234 sp_item_scale_rel (item,
1235 NR::scale(
1236 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1237 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1239 }
1241 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1242 _("Paste size separately"));
1243 }
1245 void sp_selection_to_next_layer ()
1246 {
1247 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1249 Inkscape::Selection *selection = sp_desktop_selection(dt);
1251 // check if something is selected
1252 if (selection->isEmpty()) {
1253 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1254 return;
1255 }
1257 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1259 bool no_more = false; // Set to true, if no more layers above
1260 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1261 if (next) {
1262 GSList *temp_clip = NULL;
1263 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1264 sp_selection_delete_impl (items);
1265 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1266 GSList *copied;
1267 if(next) {
1268 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1269 } else {
1270 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1271 no_more = true;
1272 }
1273 selection->setReprList((GSList const *) copied);
1274 g_slist_free (copied);
1275 if (temp_clip) g_slist_free (temp_clip);
1276 if (next) dt->setCurrentLayer(next);
1277 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1278 _("Raise to next layer"));
1279 } else {
1280 no_more = true;
1281 }
1283 if (no_more) {
1284 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1285 }
1287 g_slist_free ((GSList *) items);
1288 }
1290 void sp_selection_to_prev_layer ()
1291 {
1292 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1294 Inkscape::Selection *selection = sp_desktop_selection(dt);
1296 // check if something is selected
1297 if (selection->isEmpty()) {
1298 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1299 return;
1300 }
1302 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1304 bool no_more = false; // Set to true, if no more layers below
1305 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1306 if (next) {
1307 GSList *temp_clip = NULL;
1308 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1309 sp_selection_delete_impl (items);
1310 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1311 GSList *copied;
1312 if(next) {
1313 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1314 } else {
1315 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1316 no_more = true;
1317 }
1318 selection->setReprList((GSList const *) copied);
1319 g_slist_free (copied);
1320 if (temp_clip) g_slist_free (temp_clip);
1321 if (next) dt->setCurrentLayer(next);
1322 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1323 _("Lower to previous layer"));
1324 } else {
1325 no_more = true;
1326 }
1328 if (no_more) {
1329 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1330 }
1332 g_slist_free ((GSList *) items);
1333 }
1335 bool
1336 selection_contains_original (SPItem *item, Inkscape::Selection *selection)
1337 {
1338 bool contains_original = false;
1339 bool is_use = SP_IS_USE(item);
1340 SPItem *item_use = item;
1341 SPItem *item_use_first = item;
1342 while (is_use && item_use && !contains_original)
1343 {
1344 item_use = sp_use_get_original (SP_USE(item_use));
1345 contains_original |= selection->includes(item_use);
1346 if (item_use == item_use_first)
1347 break;
1348 is_use = SP_IS_USE(item_use);
1349 }
1350 return contains_original;
1351 }
1354 bool
1355 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1356 {
1357 bool clone_with_original = false;
1358 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1359 SPItem *item = SP_ITEM(l->data);
1360 clone_with_original |= selection_contains_original(item, selection);
1361 if (clone_with_original)
1362 break;
1363 }
1364 return clone_with_original;
1365 }
1368 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1369 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1370 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1371 that case, items are already in the new position, but the repr is in the old, and this function
1372 then simply updates the repr from item->transform.
1373 */
1374 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1375 {
1376 if (selection->isEmpty())
1377 return;
1379 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1380 SPItem *item = SP_ITEM(l->data);
1382 NR::Point old_center(0,0);
1383 if (set_i2d && item->isCenterSet())
1384 old_center = item->getCenter();
1386 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1387 At the time of writing, this is the only place to re-enable. */
1388 sp_item_update_cns(*item, selection->desktop());
1389 #endif
1391 // we're moving both a clone and its original or any ancestor in clone chain?
1392 bool transform_clone_with_original = selection_contains_original(item, selection);
1393 // ...both a text-on-path and its path?
1394 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)))) ));
1395 // ...both a flowtext and its frame?
1396 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)
1397 // ...both an offset and its source?
1398 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1400 // If we're moving a connector, we want to detach it
1401 // from shapes that aren't part of the selection, but
1402 // leave it attached if they are
1403 if (cc_item_is_connector(item)) {
1404 SPItem *attItem[2];
1405 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1407 for (int n = 0; n < 2; ++n) {
1408 if (!selection->includes(attItem[n])) {
1409 sp_conn_end_detach(item, n);
1410 }
1411 }
1412 }
1414 // "clones are unmoved when original is moved" preference
1415 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1416 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1417 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1419 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1420 // transform of its original and respond to it itself. Without this, a clone is doubly
1421 // transformed, very unintuitive.
1422 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1423 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1424 // Same for linked offset if we are also moving its source: do not move it.
1425 if (transform_textpath_with_path || transform_offset_with_source) {
1426 // restore item->transform field from the repr, in case it was changed by seltrans
1427 sp_object_read_attr (SP_OBJECT (item), "transform");
1429 } else if (transform_flowtext_with_frame) {
1430 // apply the inverse of the region's transform to the <use> so that the flow remains
1431 // the same (even though the output itself gets transformed)
1432 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1433 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1434 continue;
1435 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1436 if (!SP_IS_USE(use)) continue;
1437 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1438 }
1439 }
1440 } else if (transform_clone_with_original) {
1441 // We are transforming a clone along with its original. The below matrix juggling is
1442 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1443 // transform and its move compensation are both cancelled out.
1445 // restore item->transform field from the repr, in case it was changed by seltrans
1446 sp_object_read_attr (SP_OBJECT (item), "transform");
1448 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1449 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1450 NR::Matrix t = parent_transform * matrix_to_desktop (matrix_from_desktop (affine, item), item) * parent_transform.inverse();
1451 NR::Matrix t_inv =parent_transform * matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item) * parent_transform.inverse();
1452 NR::Matrix result = t_inv * item->transform * t;
1454 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1455 // we need to cancel out the move compensation, too
1457 // find out the clone move, same as in sp_use_move_compensate
1458 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1459 NR::Matrix clone_move = parent.inverse() * t * parent;
1461 if (prefs_parallel) {
1462 NR::Matrix move = result * clone_move * t_inv;
1463 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1465 } else if (prefs_unmoved) {
1466 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1467 // clone_move = NR::identity();
1468 NR::Matrix move = result * clone_move;
1469 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1470 }
1472 } else {
1473 // just apply the result
1474 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1475 }
1477 } else {
1478 if (set_i2d) {
1479 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1480 }
1481 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1482 }
1484 // if we're moving the actual object, not just updating the repr, we can transform the
1485 // center by the same matrix (only necessary for non-translations)
1486 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1487 item->setCenter(old_center * affine);
1488 SP_OBJECT(item)->updateRepr();
1489 }
1490 }
1491 }
1493 void sp_selection_remove_transform()
1494 {
1495 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1496 if (desktop == NULL)
1497 return;
1499 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1501 GSList const *l = (GSList *) selection->reprList();
1502 while (l != NULL) {
1503 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1504 l = l->next;
1505 }
1507 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1508 _("Remove transform"));
1509 }
1511 void
1512 sp_selection_scale_absolute(Inkscape::Selection *selection,
1513 double const x0, double const x1,
1514 double const y0, double const y1)
1515 {
1516 if (selection->isEmpty())
1517 return;
1519 NR::Rect const bbox(selection->bounds());
1520 if (bbox.isEmpty()) {
1521 return;
1522 }
1524 NR::translate const p2o(-bbox.min());
1526 NR::scale const newSize(x1 - x0,
1527 y1 - y0);
1528 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1529 NR::translate const o2n(x0, y0);
1530 NR::Matrix const final( p2o * scale * o2n );
1532 sp_selection_apply_affine(selection, final);
1533 }
1536 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1537 {
1538 if (selection->isEmpty())
1539 return;
1541 NR::Rect const bbox(selection->bounds());
1543 if (bbox.isEmpty()) {
1544 return;
1545 }
1547 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1548 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1549 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1550 {
1551 return;
1552 }
1554 NR::translate const n2d(-align);
1555 NR::translate const d2n(align);
1556 NR::Matrix const final( n2d * scale * d2n );
1557 sp_selection_apply_affine(selection, final);
1558 }
1560 void
1561 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1562 {
1563 NR::translate const d2n(center);
1564 NR::translate const n2d(-center);
1565 NR::rotate const rotate(rotate_degrees(angle_degrees));
1566 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1567 sp_selection_apply_affine(selection, final);
1568 }
1570 void
1571 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1572 {
1573 NR::translate const d2n(align);
1574 NR::translate const n2d(-align);
1575 NR::Matrix const skew(1, dy,
1576 dx, 1,
1577 0, 0);
1578 NR::Matrix const final( n2d * skew * d2n );
1579 sp_selection_apply_affine(selection, final);
1580 }
1582 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1583 {
1584 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1585 }
1587 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1588 {
1589 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1590 }
1593 /**
1594 * \brief sp_selection_rotate_90
1595 *
1596 * This function rotates selected objects 90 degrees clockwise.
1597 *
1598 */
1600 void sp_selection_rotate_90_cw()
1601 {
1602 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1604 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1606 if (selection->isEmpty())
1607 return;
1609 GSList const *l = selection->itemList();
1610 NR::rotate const rot_neg_90(NR::Point(0, -1));
1611 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1612 SPItem *item = SP_ITEM(l2->data);
1613 sp_item_rotate_rel(item, rot_neg_90);
1614 }
1616 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1617 _("Rotate 90° CW"));
1618 }
1621 /**
1622 * \brief sp_selection_rotate_90_ccw
1623 *
1624 * This function rotates selected objects 90 degrees counter-clockwise.
1625 *
1626 */
1628 void sp_selection_rotate_90_ccw()
1629 {
1630 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1632 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1634 if (selection->isEmpty())
1635 return;
1637 GSList const *l = selection->itemList();
1638 NR::rotate const rot_neg_90(NR::Point(0, 1));
1639 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1640 SPItem *item = SP_ITEM(l2->data);
1641 sp_item_rotate_rel(item, rot_neg_90);
1642 }
1644 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1645 _("Rotate 90° CCW"));
1646 }
1648 void
1649 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1650 {
1651 if (selection->isEmpty())
1652 return;
1654 NR::Point center = selection->center();
1656 sp_selection_rotate_relative(selection, center, angle_degrees);
1658 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1659 ( ( angle_degrees > 0 )
1660 ? "selector:rotate:ccw"
1661 : "selector:rotate:cw" ),
1662 SP_VERB_CONTEXT_SELECT,
1663 _("Rotate"));
1664 }
1666 /**
1667 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1668 */
1669 void
1670 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1671 {
1672 if (selection->isEmpty())
1673 return;
1675 NR::Rect const bbox(selection->bounds());
1677 NR::Point center = selection->center();
1679 gdouble const zoom = selection->desktop()->current_zoom();
1680 gdouble const zmove = angle / zoom;
1681 gdouble const r = NR::L2(bbox.max() - center);
1683 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1685 sp_selection_rotate_relative(selection, center, zangle);
1687 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1688 ( (angle > 0)
1689 ? "selector:rotate:ccw"
1690 : "selector:rotate:cw" ),
1691 SP_VERB_CONTEXT_SELECT,
1692 _("Rotate by pixels"));
1693 }
1695 void
1696 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1697 {
1698 if (selection->isEmpty())
1699 return;
1701 NR::Rect const bbox(selection->bounds());
1702 NR::Point const center(bbox.midpoint());
1703 double const max_len = bbox.maxExtent();
1705 // you can't scale "do nizhe pola" (below zero)
1706 if ( max_len + grow <= 1e-3 ) {
1707 return;
1708 }
1710 double const times = 1.0 + grow / max_len;
1711 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1713 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1714 ( (grow > 0)
1715 ? "selector:scale:larger"
1716 : "selector:scale:smaller" ),
1717 SP_VERB_CONTEXT_SELECT,
1718 _("Scale"));
1719 }
1721 void
1722 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1723 {
1724 sp_selection_scale(selection,
1725 grow_pixels / selection->desktop()->current_zoom());
1726 }
1728 void
1729 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1730 {
1731 if (selection->isEmpty())
1732 return;
1734 NR::Point const center(selection->bounds().midpoint());
1735 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1736 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1737 _("Scale by whole factor"));
1738 }
1740 void
1741 sp_selection_move(gdouble dx, gdouble dy)
1742 {
1743 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1744 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1745 if (selection->isEmpty()) {
1746 return;
1747 }
1749 sp_selection_move_relative(selection, dx, dy);
1751 if (dx == 0) {
1752 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1753 _("Move vertically"));
1754 } else if (dy == 0) {
1755 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1756 _("Move horizontally"));
1757 } else {
1758 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1759 _("Move"));
1760 }
1761 }
1763 void
1764 sp_selection_move_screen(gdouble dx, gdouble dy)
1765 {
1766 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1768 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1769 if (selection->isEmpty()) {
1770 return;
1771 }
1773 // same as sp_selection_move but divide deltas by zoom factor
1774 gdouble const zoom = desktop->current_zoom();
1775 gdouble const zdx = dx / zoom;
1776 gdouble const zdy = dy / zoom;
1777 sp_selection_move_relative(selection, zdx, zdy);
1779 if (dx == 0) {
1780 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1781 _("Move vertically by pixels"));
1782 } else if (dy == 0) {
1783 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1784 _("Move horizontally by pixels"));
1785 } else {
1786 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1787 _("Move"));
1788 }
1789 }
1791 namespace {
1793 template <typename D>
1794 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1795 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1797 template <typename D>
1798 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1799 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1801 struct Forward {
1802 typedef SPObject *Iterator;
1804 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1805 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1806 static void dispose(Iterator i) {}
1808 static SPObject *object(Iterator i) { return i; }
1809 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1810 };
1812 struct Reverse {
1813 typedef GSList *Iterator;
1815 static Iterator children(SPObject *o) {
1816 return make_list(o->firstChild(), NULL);
1817 }
1818 static Iterator siblings_after(SPObject *o) {
1819 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1820 }
1821 static void dispose(Iterator i) {
1822 g_slist_free(i);
1823 }
1825 static SPObject *object(Iterator i) {
1826 return reinterpret_cast<SPObject *>(i->data);
1827 }
1828 static Iterator next(Iterator i) { return i->next; }
1830 private:
1831 static GSList *make_list(SPObject *object, SPObject *limit) {
1832 GSList *list=NULL;
1833 while ( object != limit ) {
1834 list = g_slist_prepend(list, object);
1835 object = SP_OBJECT_NEXT(object);
1836 }
1837 return list;
1838 }
1839 };
1841 }
1843 void
1844 sp_selection_item_next(void)
1845 {
1846 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1847 g_return_if_fail(desktop != NULL);
1848 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1850 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1851 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1852 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1854 SPObject *root;
1855 if (PREFS_SELECTION_ALL != inlayer) {
1856 root = selection->activeContext();
1857 } else {
1858 root = desktop->currentRoot();
1859 }
1861 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1863 if (item) {
1864 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1865 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1866 scroll_to_show_item(desktop, item);
1867 }
1868 }
1869 }
1871 void
1872 sp_selection_item_prev(void)
1873 {
1874 SPDocument *document = SP_ACTIVE_DOCUMENT;
1875 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1876 g_return_if_fail(document != NULL);
1877 g_return_if_fail(desktop != NULL);
1878 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1880 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1881 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1882 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1884 SPObject *root;
1885 if (PREFS_SELECTION_ALL != inlayer) {
1886 root = selection->activeContext();
1887 } else {
1888 root = desktop->currentRoot();
1889 }
1891 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1893 if (item) {
1894 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1895 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1896 scroll_to_show_item(desktop, item);
1897 }
1898 }
1899 }
1901 namespace {
1903 template <typename D>
1904 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1905 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1906 {
1907 SPObject *current=root;
1908 while (items) {
1909 SPItem *item=SP_ITEM(items->data);
1910 if ( root->isAncestorOf(item) &&
1911 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1912 {
1913 current = item;
1914 break;
1915 }
1916 items = items->next;
1917 }
1919 GSList *path=NULL;
1920 while ( current != root ) {
1921 path = g_slist_prepend(path, current);
1922 current = SP_OBJECT_PARENT(current);
1923 }
1925 SPItem *next;
1926 // first, try from the current object
1927 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1928 g_slist_free(path);
1930 if (!next) { // if we ran out of objects, start over at the root
1931 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1932 }
1934 return next;
1935 }
1937 template <typename D>
1938 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1939 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1940 {
1941 typename D::Iterator children;
1942 typename D::Iterator iter;
1944 SPItem *found=NULL;
1946 if (path) {
1947 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1948 g_assert(SP_OBJECT_PARENT(object) == root);
1949 if (desktop->isLayer(object)) {
1950 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1951 }
1952 iter = children = D::siblings_after(object);
1953 } else {
1954 iter = children = D::children(root);
1955 }
1957 while ( iter && !found ) {
1958 SPObject *object=D::object(iter);
1959 if (desktop->isLayer(object)) {
1960 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1961 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1962 }
1963 } else if ( SP_IS_ITEM(object) &&
1964 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1965 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1966 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1967 !desktop->isLayer(SP_ITEM(object)) )
1968 {
1969 found = SP_ITEM(object);
1970 }
1971 iter = D::next(iter);
1972 }
1974 D::dispose(children);
1976 return found;
1977 }
1979 }
1981 /**
1982 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1983 * \a item.
1984 */
1985 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1986 {
1987 NR::Rect dbox = desktop->get_display_area();
1988 NR::Rect sbox = sp_item_bbox_desktop(item);
1990 if (dbox.contains(sbox) == false) {
1991 NR::Point const s_dt = sbox.midpoint();
1992 NR::Point const s_w = desktop->d2w(s_dt);
1993 NR::Point const d_dt = dbox.midpoint();
1994 NR::Point const d_w = desktop->d2w(d_dt);
1995 NR::Point const moved_w( d_w - s_w );
1996 gint const dx = (gint) moved_w[X];
1997 gint const dy = (gint) moved_w[Y];
1998 desktop->scroll_world(dx, dy);
1999 }
2000 }
2003 void
2004 sp_selection_clone()
2005 {
2006 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2007 if (desktop == NULL)
2008 return;
2010 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2012 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
2014 // check if something is selected
2015 if (selection->isEmpty()) {
2016 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
2017 return;
2018 }
2020 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
2022 selection->clear();
2024 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
2025 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
2027 GSList *newsel = NULL;
2029 while (reprs) {
2030 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
2031 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
2033 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
2034 sp_repr_set_attr(clone, "x", "0");
2035 sp_repr_set_attr(clone, "y", "0");
2036 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
2038 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
2039 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
2041 // add the new clone to the top of the original's parent
2042 parent->appendChild(clone);
2044 newsel = g_slist_prepend(newsel, clone);
2045 reprs = g_slist_remove(reprs, sel_repr);
2046 Inkscape::GC::release(clone);
2047 }
2049 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
2050 _("Clone"));
2052 selection->setReprList(newsel);
2054 g_slist_free(newsel);
2055 }
2057 void
2058 sp_selection_unlink()
2059 {
2060 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2061 if (!desktop)
2062 return;
2064 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2066 if (selection->isEmpty()) {
2067 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2068 return;
2069 }
2071 // Get a copy of current selection.
2072 GSList *new_select = NULL;
2073 bool unlinked = false;
2074 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2075 items != NULL;
2076 items = items->next)
2077 {
2078 SPItem *use = (SPItem *) items->data;
2080 if (!SP_IS_USE(use)) {
2081 // keep the non-yse item in the new selection
2082 new_select = g_slist_prepend(new_select, use);
2083 continue;
2084 }
2086 SPItem *unlink = sp_use_unlink(SP_USE(use));
2087 unlinked = true;
2088 // Add ungrouped items to the new selection.
2089 new_select = g_slist_prepend(new_select, unlink);
2090 }
2092 if (new_select) { // set new selection
2093 selection->clear();
2094 selection->setList(new_select);
2095 g_slist_free(new_select);
2096 }
2097 if (!unlinked) {
2098 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2099 }
2101 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2102 _("Unlink clone"));
2103 }
2105 void
2106 sp_select_clone_original()
2107 {
2108 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2109 if (desktop == NULL)
2110 return;
2112 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2114 SPItem *item = selection->singleItem();
2116 const gchar *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.");
2118 // Check if other than two objects are selected
2119 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2120 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2121 return;
2122 }
2124 SPItem *original = NULL;
2125 if (SP_IS_USE(item)) {
2126 original = sp_use_get_original (SP_USE(item));
2127 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2128 original = sp_offset_get_source (SP_OFFSET(item));
2129 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2130 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2131 } else if (SP_IS_FLOWTEXT(item)) {
2132 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2133 } else { // it's an object that we don't know what to do with
2134 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2135 return;
2136 }
2138 if (!original) {
2139 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2140 return;
2141 }
2143 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2144 if (SP_IS_DEFS (o)) {
2145 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2146 return;
2147 }
2148 }
2150 if (original) {
2151 selection->clear();
2152 selection->set(original);
2153 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2154 scroll_to_show_item(desktop, original);
2155 }
2156 }
2157 }
2159 void
2160 sp_selection_tile(bool apply)
2161 {
2162 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2163 if (desktop == NULL)
2164 return;
2166 SPDocument *document = sp_desktop_document(desktop);
2167 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2169 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2171 // check if something is selected
2172 if (selection->isEmpty()) {
2173 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2174 return;
2175 }
2177 sp_document_ensure_up_to_date(document);
2178 NR::Rect r = selection->bounds();
2179 if (r.isEmpty()) {
2180 return;
2181 }
2183 // calculate the transform to be applied to objects to move them to 0,0
2184 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
2185 move_p[NR::Y] = -move_p[NR::Y];
2186 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2188 GSList *items = g_slist_copy((GSList *) selection->itemList());
2190 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2192 // bottommost object, after sorting
2193 SPObject *parent = SP_OBJECT_PARENT (items->data);
2195 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
2197 // remember the position of the first item
2198 gint pos = SP_OBJECT_REPR (items->data)->position();
2200 // create a list of duplicates
2201 GSList *repr_copies = NULL;
2202 for (GSList *i = items; i != NULL; i = i->next) {
2203 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2204 repr_copies = g_slist_prepend (repr_copies, dup);
2205 }
2207 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
2209 if (apply) {
2210 // delete objects so that their clones don't get alerted; this object will be restored shortly
2211 for (GSList *i = items; i != NULL; i = i->next) {
2212 SPObject *item = SP_OBJECT (i->data);
2213 item->deleteObject (false);
2214 }
2215 }
2217 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2218 // without disturbing clones.
2219 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2220 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2221 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2223 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
2224 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))) * parent_transform.inverse(), parent_transform * move);
2226 // restore compensation setting
2227 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2229 if (apply) {
2230 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2231 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2233 NR::Point min = bounds.min() * parent_transform.inverse();
2234 NR::Point max = bounds.max() * parent_transform.inverse();
2236 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2237 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2238 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2239 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2241 // restore parent and position
2242 SP_OBJECT_REPR (parent)->appendChild(rect);
2243 rect->setPosition(pos > 0 ? pos : 0);
2244 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2246 Inkscape::GC::release(rect);
2248 selection->clear();
2249 selection->set(rectangle);
2250 }
2252 g_slist_free (items);
2254 sp_document_done (document, SP_VERB_EDIT_TILE,
2255 _("Objects to pattern"));
2256 }
2258 void
2259 sp_selection_untile()
2260 {
2261 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2262 if (desktop == NULL)
2263 return;
2265 SPDocument *document = sp_desktop_document(desktop);
2267 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2269 // check if something is selected
2270 if (selection->isEmpty()) {
2271 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2272 return;
2273 }
2275 GSList *new_select = NULL;
2277 bool did = false;
2279 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2280 items != NULL;
2281 items = items->next) {
2283 SPItem *item = (SPItem *) items->data;
2285 SPStyle *style = SP_OBJECT_STYLE (item);
2287 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2288 continue;
2290 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2292 if (!SP_IS_PATTERN(server))
2293 continue;
2295 did = true;
2297 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2299 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2300 pat_transform *= item->transform;
2302 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2303 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2304 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2306 // FIXME: relink clones to the new canvas objects
2307 // use SPObject::setid when mental finishes it to steal ids of
2309 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2310 sp_document_ensure_up_to_date (document);
2312 NR::Matrix transform( i->transform * pat_transform );
2313 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2315 new_select = g_slist_prepend(new_select, i);
2316 }
2318 SPCSSAttr *css = sp_repr_css_attr_new ();
2319 sp_repr_css_set_property (css, "fill", "none");
2320 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2321 }
2323 if (!did) {
2324 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2325 } else {
2326 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2327 _("Pattern to objects"));
2328 selection->setList(new_select);
2329 }
2330 }
2332 void
2333 sp_selection_get_export_hints (Inkscape::Selection *selection, const char **filename, float *xdpi, float *ydpi)
2334 {
2335 if (selection->isEmpty()) {
2336 return;
2337 }
2339 const GSList * reprlst = selection->reprList();
2340 bool filename_search = TRUE;
2341 bool xdpi_search = TRUE;
2342 bool ydpi_search = TRUE;
2344 for(; reprlst != NULL &&
2345 filename_search &&
2346 xdpi_search &&
2347 ydpi_search;
2348 reprlst = reprlst->next) {
2349 const gchar * dpi_string;
2350 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2352 if (filename_search) {
2353 *filename = repr->attribute("inkscape:export-filename");
2354 if (*filename != NULL)
2355 filename_search = FALSE;
2356 }
2358 if (xdpi_search) {
2359 dpi_string = NULL;
2360 dpi_string = repr->attribute("inkscape:export-xdpi");
2361 if (dpi_string != NULL) {
2362 *xdpi = atof(dpi_string);
2363 xdpi_search = FALSE;
2364 }
2365 }
2367 if (ydpi_search) {
2368 dpi_string = NULL;
2369 dpi_string = repr->attribute("inkscape:export-ydpi");
2370 if (dpi_string != NULL) {
2371 *ydpi = atof(dpi_string);
2372 ydpi_search = FALSE;
2373 }
2374 }
2375 }
2376 }
2378 void
2379 sp_document_get_export_hints (SPDocument * doc, const char **filename, float *xdpi, float *ydpi)
2380 {
2381 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2382 const gchar * dpi_string;
2384 *filename = repr->attribute("inkscape:export-filename");
2386 dpi_string = NULL;
2387 dpi_string = repr->attribute("inkscape:export-xdpi");
2388 if (dpi_string != NULL) {
2389 *xdpi = atof(dpi_string);
2390 }
2392 dpi_string = NULL;
2393 dpi_string = repr->attribute("inkscape:export-ydpi");
2394 if (dpi_string != NULL) {
2395 *ydpi = atof(dpi_string);
2396 }
2397 }
2399 void
2400 sp_selection_create_bitmap_copy ()
2401 {
2402 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2403 if (desktop == NULL)
2404 return;
2406 SPDocument *document = sp_desktop_document(desktop);
2407 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2409 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2411 // check if something is selected
2412 if (selection->isEmpty()) {
2413 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2414 return;
2415 }
2417 // Get the bounding box of the selection
2418 NRRect bbox;
2419 sp_document_ensure_up_to_date (document);
2420 selection->bounds(&bbox);
2421 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2422 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2423 }
2425 // List of the items to show; all others will be hidden
2426 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2428 // Sort items so that the topmost comes last
2429 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2431 // Generate a random value from the current time (you may create bitmap from the same object(s)
2432 // multiple times, and this is done so that they don't clash)
2433 GTimeVal cu;
2434 g_get_current_time (&cu);
2435 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2437 // Create the filename
2438 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2439 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2440 // digits, and a few other chars, with "_"
2441 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2442 // Build the complete path by adding document->base if set
2443 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2445 //g_print ("%s\n", filepath);
2447 // Remember parent and z-order of the topmost one
2448 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2449 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2450 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2452 // Calculate resolution
2453 double res;
2454 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2455 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2456 if (0 < prefs_res) {
2457 // If it's given explicitly in prefs, take it
2458 res = prefs_res;
2459 } else if (0 < prefs_min) {
2460 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2461 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2462 } else {
2463 float hint_xdpi = 0, hint_ydpi = 0;
2464 const char *hint_filename;
2465 // take resolution hint from the selected objects
2466 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2467 if (hint_xdpi != 0) {
2468 res = hint_xdpi;
2469 } else {
2470 // take resolution hint from the document
2471 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2472 if (hint_xdpi != 0) {
2473 res = hint_xdpi;
2474 } else {
2475 // if all else fails, take the default 90 dpi
2476 res = PX_PER_IN;
2477 }
2478 }
2479 }
2481 // The width and height of the bitmap in pixels
2482 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2483 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2485 // Find out if we have to run a filter
2486 const gchar *run = NULL;
2487 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2488 if (filter) {
2489 // filter command is given;
2490 // see if we have a parameter to pass to it
2491 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2492 if (param1) {
2493 if (param1[strlen(param1) - 1] == '%') {
2494 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2495 gchar p1[256];
2496 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2497 // the first param is always the image filename, the second is param1
2498 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2499 } else {
2500 // otherwise pass the param1 unchanged
2501 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2502 }
2503 } else {
2504 // run without extra parameter
2505 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2506 }
2507 }
2509 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2510 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2511 NR::Matrix t;
2513 double shift_x = bbox.x0;
2514 double shift_y = bbox.y1;
2515 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2516 shift_x = round (shift_x);
2517 shift_y = -round (-shift_y); // this gets correct rounding despite coordinate inversion, remove the negations when the inversion is gone
2518 }
2519 t = NR::scale(1, -1) * NR::translate (shift_x, shift_y) * eek.inverse();
2521 // Do the export
2522 sp_export_png_file(document, filepath,
2523 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2524 width, height, res, res,
2525 (guint32) 0xffffff00,
2526 NULL, NULL,
2527 true, /*bool force_overwrite,*/
2528 items);
2530 g_slist_free (items);
2532 // Run filter, if any
2533 if (run) {
2534 g_print ("Running external filter: %s\n", run);
2535 system (run);
2536 }
2538 // Import the image back
2539 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2540 if (pb) {
2541 // Create the repr for the image
2542 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2543 repr->setAttribute("xlink:href", filename);
2544 repr->setAttribute("sodipodi:absref", filepath);
2545 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2546 sp_repr_set_svg_double(repr, "width", width);
2547 sp_repr_set_svg_double(repr, "height", height);
2548 } else {
2549 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2550 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2551 }
2553 // Write transform
2554 gchar *c=sp_svg_transform_write(t);
2555 repr->setAttribute("transform", c);
2556 g_free(c);
2558 // add the new repr to the parent
2559 parent->appendChild(repr);
2561 // move to the saved position
2562 repr->setPosition(pos > 0 ? pos + 1 : 1);
2564 // Set selection to the new image
2565 selection->clear();
2566 selection->add(repr);
2568 // Clean up
2569 Inkscape::GC::release(repr);
2570 gdk_pixbuf_unref (pb);
2572 // Complete undoable transaction
2573 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2574 _("Create bitmap"));
2575 }
2577 g_free (filename);
2578 g_free (filepath);
2579 }
2581 /**
2582 * \brief sp_selection_set_mask
2583 *
2584 * This function creates a mask or clipPath from selection
2585 * Two different modes:
2586 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2587 * and is applied to current layer
2588 * otherwise, topmost object is used as mask for other objects
2589 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2590 *
2591 */
2592 void
2593 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2594 {
2595 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2596 if (desktop == NULL)
2597 return;
2599 SPDocument *document = sp_desktop_document(desktop);
2601 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2603 // check if something is selected
2604 bool is_empty = selection->isEmpty();
2605 if ( apply_to_layer && is_empty) {
2606 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2607 return;
2608 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2609 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2610 return;
2611 }
2613 // FIXME: temporary patch to prevent crash!
2614 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2615 bool clone_with_original = selection_contains_both_clone_and_original (selection);
2616 if (clone_with_original) {
2617 return; // in this version, you cannot clip/mask an object with its own clone
2618 }
2619 // /END FIXME
2621 sp_document_ensure_up_to_date(document);
2623 GSList *items = g_slist_copy((GSList *) selection->itemList());
2625 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2627 // create a list of duplicates
2628 GSList *mask_items = NULL;
2629 GSList *apply_to_items = NULL;
2630 GSList *items_to_delete = NULL;
2631 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2632 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2634 if (apply_to_layer) {
2635 // all selected items are used for mask, which is applied to a layer
2636 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2638 for (GSList *i = items; i != NULL; i = i->next) {
2639 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2640 mask_items = g_slist_prepend (mask_items, dup);
2642 if (remove_original) {
2643 SPObject *item = SP_OBJECT (i->data);
2644 items_to_delete = g_slist_prepend (items_to_delete, item);
2645 }
2646 }
2647 } else if (!topmost) {
2648 // topmost item is used as a mask, which is applied to other items in a selection
2649 GSList *i = items;
2650 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2651 mask_items = g_slist_prepend (mask_items, dup);
2653 if (remove_original) {
2654 SPObject *item = SP_OBJECT (i->data);
2655 items_to_delete = g_slist_prepend (items_to_delete, item);
2656 }
2658 for (i = i->next; i != NULL; i = i->next) {
2659 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2660 }
2661 } else {
2662 GSList *i = NULL;
2663 for (i = items; NULL != i->next; i = i->next) {
2664 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2665 }
2667 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2668 mask_items = g_slist_prepend (mask_items, dup);
2670 if (remove_original) {
2671 SPObject *item = SP_OBJECT (i->data);
2672 items_to_delete = g_slist_prepend (items_to_delete, item);
2673 }
2674 }
2676 g_slist_free (items);
2677 items = NULL;
2679 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2680 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2681 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2682 // inverted object transform should be applied to a mask object,
2683 // as mask is calculated in user space (after applying transform)
2684 NR::Matrix maskTransform (item->transform.inverse());
2686 GSList *mask_items_dup = NULL;
2687 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2688 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
2689 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2690 }
2692 const gchar *mask_id = NULL;
2693 if (apply_clip_path) {
2694 mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
2695 } else {
2696 mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
2697 }
2699 g_slist_free (mask_items_dup);
2700 mask_items_dup = NULL;
2702 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2703 }
2705 g_slist_free (mask_items);
2706 g_slist_free (apply_to_items);
2708 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2709 SPObject *item = SP_OBJECT (i->data);
2710 item->deleteObject (false);
2711 }
2712 g_slist_free (items_to_delete);
2714 if (apply_clip_path)
2715 sp_document_done (document, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2716 else
2717 sp_document_done (document, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2718 }
2720 void sp_selection_unset_mask(bool apply_clip_path) {
2721 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2722 if (desktop == NULL)
2723 return;
2725 SPDocument *document = sp_desktop_document(desktop);
2726 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2728 // check if something is selected
2729 if (selection->isEmpty()) {
2730 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2731 return;
2732 }
2734 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2735 sp_document_ensure_up_to_date(document);
2737 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2738 std::map<SPObject*,SPItem*> referenced_objects;
2739 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2740 if (remove_original) {
2741 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2742 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2743 Inkscape::URIReference *uri_ref = NULL;
2745 if (apply_clip_path) {
2746 uri_ref = item->clip_ref;
2747 } else {
2748 uri_ref = item->mask_ref;
2749 }
2751 // collect distinct mask object (and associate with item to apply transform)
2752 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2753 referenced_objects[uri_ref->getObject()] = item;
2754 }
2755 }
2757 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2758 }
2760 // restore mask objects into a document
2761 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2762 SPObject *obj = (*it).first;
2763 GSList *items_to_move = NULL;
2764 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2765 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2766 items_to_move = g_slist_prepend (items_to_move, copy);
2767 }
2769 if (!obj->isReferenced()) {
2770 // delete from defs if no other object references this mask
2771 obj->deleteObject(false);
2772 }
2774 // remember parent and position of the item to which the clippath/mask was applied
2775 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2776 gint pos = SP_OBJECT_REPR((*it).second)->position();
2778 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2779 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2781 // insert into parent, restore pos
2782 parent->appendChild(repr);
2783 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2785 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2786 selection->add(repr);
2788 // transform mask, so it is moved the same spot where mask was applied
2789 NR::Matrix transform (mask_item->transform);
2790 transform *= (*it).second->transform;
2791 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2792 }
2794 g_slist_free (items_to_move);
2795 }
2797 if (apply_clip_path)
2798 sp_document_done (document, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2799 else
2800 sp_document_done (document, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2801 }
2803 void fit_canvas_to_selection(SPDesktop *desktop) {
2804 g_return_if_fail(desktop != NULL);
2805 SPDocument *doc = sp_desktop_document(desktop);
2807 g_return_if_fail(doc != NULL);
2808 g_return_if_fail(desktop->selection != NULL);
2809 g_return_if_fail(!desktop->selection->isEmpty());
2810 NRRect bbox(0, 0, 0, 0);
2812 desktop->selection->bounds(&bbox);
2813 if (!nr_rect_d_test_empty(&bbox)) {
2814 doc->fitToRect(bbox);
2815 }
2816 };
2818 void fit_canvas_to_drawing(SPDocument *doc) {
2819 g_return_if_fail(doc != NULL);
2820 NRRect bbox(0, 0, 0, 0);
2822 sp_document_ensure_up_to_date (doc);
2823 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2825 if (!nr_rect_d_test_empty(&bbox)) {
2826 doc->fitToRect(bbox);
2827 }
2828 };
2830 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2831 g_return_if_fail(desktop != NULL);
2832 SPDocument *doc = sp_desktop_document(desktop);
2834 g_return_if_fail(doc != NULL);
2835 g_return_if_fail(desktop->selection != NULL);
2837 if (desktop->selection->isEmpty()) {
2838 fit_canvas_to_drawing(doc);
2839 } else {
2840 fit_canvas_to_selection(desktop);
2841 }
2843 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2844 _("Fit page to selection"));
2845 };
2847 /*
2848 Local Variables:
2849 mode:c++
2850 c-file-style:"stroustrup"
2851 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2852 indent-tabs-mode:nil
2853 fill-column:99
2854 End:
2855 */
2856 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :