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 *
12 * Copyright (C) 1999-2005 authors
13 * Copyright (C) 2001-2002 Ximian, Inc.
14 *
15 * Released under GNU GPL, read the file 'COPYING' for more information
16 */
18 #ifdef HAVE_CONFIG_H
19 # include "config.h"
20 #endif
22 #include <gtkmm/clipboard.h>
24 #include "svg/svg.h"
25 #include "inkscape.h"
26 #include "desktop.h"
27 #include "desktop-style.h"
28 #include "selection.h"
29 #include "tools-switch.h"
30 #include "desktop-handles.h"
31 #include "message-stack.h"
32 #include "sp-item-transform.h"
33 #include "sp-marker.h"
34 #include "sp-use.h"
35 #include "sp-textpath.h"
36 #include "sp-tspan.h"
37 #include "sp-flowtext.h"
38 #include "sp-flowregion.h"
39 #include "text-editing.h"
40 #include "text-context.h"
41 #include "dropper-context.h"
42 #include <glibmm/i18n.h>
43 #include "libnr/nr-matrix-rotate-ops.h"
44 #include "libnr/nr-matrix-translate-ops.h"
45 #include "libnr/nr-rotate-fns.h"
46 #include "libnr/nr-scale-ops.h"
47 #include "libnr/nr-scale-translate-ops.h"
48 #include "libnr/nr-translate-matrix-ops.h"
49 #include "libnr/nr-translate-scale-ops.h"
50 #include "xml/repr.h"
51 #include "style.h"
52 #include "document-private.h"
53 #include "sp-gradient.h"
54 #include "sp-gradient-reference.h"
55 #include "sp-linear-gradient-fns.h"
56 #include "sp-pattern.h"
57 #include "sp-radial-gradient-fns.h"
58 #include "sp-namedview.h"
59 #include "prefs-utils.h"
60 #include "sp-offset.h"
61 #include "file.h"
62 #include "layer-fns.h"
63 #include "context-fns.h"
64 using NR::X;
65 using NR::Y;
67 #include "selection-chemistry.h"
69 /* fixme: find a better place */
70 GSList *clipboard = NULL;
71 GSList *defs_clipboard = NULL;
72 SPCSSAttr *style_clipboard = NULL;
74 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
76 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
77 {
78 Inkscape::XML::Node *copy = repr->duplicate();
80 // copy complete inherited style
81 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
82 sp_repr_css_set(copy, css, "style");
83 sp_repr_css_attr_unref(css);
85 // write the complete accummulated transform passed to us
86 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
87 gchar affinestr[80];
88 if (sp_svg_transform_write(affinestr, 79, full_t)) {
89 copy->setAttribute("transform", affinestr);
90 } else {
91 copy->setAttribute("transform", NULL);
92 }
94 *clip = g_slist_prepend(*clip, copy);
95 }
97 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
98 {
100 // Copy stuff referenced by all items to defs_clip:
101 if (defs_clip) {
102 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
103 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
104 }
105 *defs_clip = g_slist_reverse(*defs_clip);
106 }
108 // Store style:
109 if (style_clip) {
110 SPItem *item = SP_ITEM (items->data); // take from the first selected item
111 *style_clip = take_style_from_item (item);
112 }
114 if (clip) {
115 // Sort items:
116 GSList *sorted_items = g_slist_copy ((GSList *) items);
117 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
119 // Copy item reprs:
120 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
121 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
122 }
124 *clip = g_slist_reverse(*clip);
125 g_slist_free ((GSList *) sorted_items);
126 }
127 }
129 /**
130 Add gradients/patterns/markers referenced by copied objects to defs
131 */
132 void
133 paste_defs (GSList **defs_clip, SPDocument *doc)
134 {
135 if (!defs_clip)
136 return;
138 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
139 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
140 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
141 gchar const *id = repr->attribute("id");
142 if (!id || !doc->getObjectById(id)) {
143 Inkscape::XML::Node *copy = repr->duplicate();
144 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
145 Inkscape::GC::release(copy);
146 }
147 }
148 }
150 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
151 {
152 paste_defs (defs_clip, document);
154 GSList *copied = NULL;
155 // add objects to document
156 for (GSList *l = *clip; l != NULL; l = l->next) {
157 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
158 Inkscape::XML::Node *copy = repr->duplicate();
160 // premultiply the item transform by the accumulated parent transform in the paste layer
161 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
162 if (!local.test_identity()) {
163 gchar const *t_str = copy->attribute("transform");
164 NR::Matrix item_t (NR::identity());
165 if (t_str)
166 sp_svg_transform_read(t_str, &item_t);
167 item_t *= local.inverse();
168 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
169 gchar affinestr[80];
170 if (sp_svg_transform_write(affinestr, 79, item_t)) {
171 copy->setAttribute("transform", affinestr);
172 } else {
173 copy->setAttribute("transform", NULL);
174 }
175 }
177 parent->appendChildRepr(copy);
178 copied = g_slist_prepend(copied, copy);
179 Inkscape::GC::release(copy);
180 }
181 return copied;
182 }
184 void sp_selection_delete_impl(const GSList *items)
185 {
186 for (const GSList *i = items ; i ; i = i->next ) {
187 sp_object_ref((SPObject *)i->data, NULL);
188 }
189 for (const GSList *i = items; i != NULL; i = i->next) {
190 SPItem *item = (SPItem *) i->data;
191 SP_OBJECT(item)->deleteObject();
192 sp_object_unref((SPObject *)item, NULL);
193 }
194 }
197 void sp_selection_delete()
198 {
199 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
200 if (desktop == NULL) {
201 return;
202 }
204 if (tools_isactive (desktop, TOOLS_TEXT))
205 if (sp_text_delete_selection(desktop->event_context)) {
206 sp_document_done(SP_DT_DOCUMENT(desktop));
207 return;
208 }
210 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
212 // check if something is selected
213 if (selection->isEmpty()) {
214 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
215 return;
216 }
218 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
219 selection->clear();
220 sp_selection_delete_impl (selected);
221 g_slist_free ((GSList *) selected);
223 /* a tool may have set up private information in it's selection context
224 * that depends on desktop items. I think the only sane way to deal with
225 * this currently is to reset the current tool, which will reset it's
226 * associated selection context. For example: deleting an object
227 * while moving it around the canvas.
228 */
229 tools_switch ( desktop, tools_active ( desktop ) );
231 sp_document_done(SP_DT_DOCUMENT(desktop));
232 }
234 /* fixme: sequencing */
235 void sp_selection_duplicate()
236 {
237 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
238 if (desktop == NULL)
239 return;
241 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
243 // check if something is selected
244 if (selection->isEmpty()) {
245 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
246 return;
247 }
249 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
251 selection->clear();
253 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
254 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
256 GSList *newsel = NULL;
258 while (reprs) {
259 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
260 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
262 parent->appendChild(copy);
264 newsel = g_slist_prepend(newsel, copy);
265 reprs = g_slist_remove(reprs, reprs->data);
266 Inkscape::GC::release(copy);
267 }
269 sp_document_done(SP_DT_DOCUMENT(desktop));
271 selection->setReprList(newsel);
273 g_slist_free(newsel);
274 }
276 void sp_edit_clear_all()
277 {
278 SPDesktop *dt = SP_ACTIVE_DESKTOP;
279 if (!dt)
280 return;
282 SPDocument *doc = SP_DT_DOCUMENT(dt);
283 SP_DT_SELECTION(dt)->clear();
285 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
286 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
288 while (items) {
289 SP_OBJECT (items->data)->deleteObject();
290 items = g_slist_remove(items, items->data);
291 }
293 sp_document_done(doc);
294 }
296 GSList *
297 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
298 {
299 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
300 if (SP_IS_ITEM(child) &&
301 !desktop->isLayer(SP_ITEM(child)) &&
302 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
303 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
304 (!exclude || !g_slist_find ((GSList *) exclude, child))
305 )
306 {
307 list = g_slist_prepend (list, SP_ITEM(child));
308 }
310 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
311 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
312 }
313 }
315 return list;
316 }
318 void sp_edit_select_all_full (bool force_all_layers, bool invert)
319 {
320 SPDesktop *dt = SP_ACTIVE_DESKTOP;
321 if (!dt)
322 return;
324 Inkscape::Selection *selection = SP_DT_SELECTION(dt);
326 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
328 bool inlayer = prefs_get_int_attribute ("options.kbselection", "inlayer", 1);
329 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
330 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
332 GSList *items = NULL;
334 const GSList *exclude = NULL;
335 if (invert) {
336 exclude = selection->itemList();
337 }
339 if (inlayer && !force_all_layers) {
341 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
342 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
343 return;
345 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
347 for (GSList *i = all_items; i; i = i->next) {
348 SPItem *item = SP_ITEM (i->data);
350 if (item && (!onlysensitive || !item->isLocked())) {
351 if (!onlyvisible || !dt->itemIsHidden(item)) {
352 if (!dt->isLayer(item)) {
353 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
354 items = g_slist_prepend (items, item); // leave it in the list
355 }
356 }
357 }
358 }
359 }
361 g_slist_free (all_items);
363 } else {
364 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
365 }
367 selection->setList (items);
369 if (items) {
370 g_slist_free (items);
371 }
372 }
374 void sp_edit_select_all ()
375 {
376 sp_edit_select_all_full (false, false);
377 }
379 void sp_edit_select_all_in_all_layers ()
380 {
381 sp_edit_select_all_full (true, false);
382 }
384 void sp_edit_invert ()
385 {
386 sp_edit_select_all_full (false, true);
387 }
389 void sp_edit_invert_in_all_layers ()
390 {
391 sp_edit_select_all_full (true, true);
392 }
394 void sp_selection_group()
395 {
396 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
397 if (desktop == NULL)
398 return;
400 SPDocument *document = SP_DT_DOCUMENT (desktop);
402 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
404 // Check if something is selected.
405 if (selection->isEmpty()) {
406 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>two or more objects</b> to group."));
407 return;
408 }
410 GSList const *l = (GSList *) selection->reprList();
412 // Check if at least two objects are selected.
413 if (l->next == NULL) {
414 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>at least two objects</b> to group."));
415 return;
416 }
418 GSList *p = g_slist_copy((GSList *) l);
420 selection->clear();
422 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
424 // Remember the position and parent of the topmost object.
425 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
426 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
428 Inkscape::XML::Node *group = sp_repr_new("svg:g");
430 while (p) {
431 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
433 if (current->parent() == topmost_parent) {
434 Inkscape::XML::Node *spnew = current->duplicate();
435 sp_repr_unparent(current);
436 group->appendChild(spnew);
437 Inkscape::GC::release(spnew);
438 topmost --; // only reduce count for those items deleted from topmost_parent
439 } else { // move it to topmost_parent first
440 GSList *temp_clip = NULL;
442 // At this point, current may already have no item, due to its being a clone whose original is already moved away
443 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
444 gchar const *t_str = current->attribute("transform");
445 NR::Matrix item_t (NR::identity());
446 if (t_str)
447 sp_svg_transform_read(t_str, &item_t);
448 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
449 //FIXME: when moving both clone and original from a transformed group (either by
450 //grouping into another parent, or by cut/paste) the transform from the original's
451 //parent becomes embedded into original itself, and this affects its clones. Fix
452 //this by remembering the transform diffs we write to each item into an array and
453 //then, if this is clone, looking up its original in that array and pre-multiplying
454 //it by the inverse of that original's transform diff.
456 sp_selection_copy_one (current, item_t, &temp_clip);
457 sp_repr_unparent(current);
459 // paste into topmost_parent (temporarily)
460 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
461 if (temp_clip) g_slist_free (temp_clip);
462 if (copied) { // if success,
463 // take pasted object (now in topmost_parent)
464 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
465 // make a copy
466 Inkscape::XML::Node *spnew = in_topmost->duplicate();
467 // remove pasted
468 sp_repr_unparent(in_topmost);
469 // put its copy into group
470 group->appendChild(spnew);
471 Inkscape::GC::release(spnew);
472 g_slist_free (copied);
473 }
474 }
475 p = g_slist_remove(p, current);
476 }
478 // Add the new group to the topmost members' parent
479 topmost_parent->appendChild(group);
481 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
482 group->setPosition(topmost + 1);
484 sp_document_done(SP_DT_DOCUMENT(desktop));
486 selection->set(group);
487 Inkscape::GC::release(group);
488 }
490 void sp_selection_ungroup()
491 {
492 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
493 if (desktop == NULL)
494 return;
496 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
498 if (selection->isEmpty()) {
499 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
500 return;
501 }
503 GSList *items = g_slist_copy((GSList *) selection->itemList());
504 selection->clear();
506 // Get a copy of current selection.
507 GSList *new_select = NULL;
508 bool ungrouped = false;
509 for (GSList *i = items;
510 i != NULL;
511 i = i->next)
512 {
513 SPItem *group = (SPItem *) i->data;
515 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
516 if (!SP_IS_OBJECT(group)) {
517 continue;
518 }
520 /* We do not allow ungrouping <svg> etc. (lauris) */
521 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
522 // keep the non-group item in the new selection
523 selection->add(group);
524 continue;
525 }
527 GSList *children = NULL;
528 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
529 sp_item_group_ungroup(SP_GROUP(group), &children, false);
530 ungrouped = true;
531 // Add ungrouped items to the new selection.
532 new_select = g_slist_concat(new_select, children);
533 }
535 if (new_select) { // Set new selection.
536 selection->addList(new_select);
537 g_slist_free(new_select);
538 }
539 if (!ungrouped) {
540 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
541 }
543 g_slist_free(items);
545 sp_document_done(SP_DT_DOCUMENT(desktop));
546 }
548 static SPGroup *
549 sp_item_list_common_parent_group(const GSList *items)
550 {
551 if (!items) {
552 return NULL;
553 }
554 SPObject *parent = SP_OBJECT_PARENT(items->data);
555 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
556 if (!SP_IS_GROUP(parent)) {
557 return NULL;
558 }
559 for (items = items->next; items; items = items->next) {
560 if (SP_OBJECT_PARENT(items->data) != parent) {
561 return NULL;
562 }
563 }
565 return SP_GROUP(parent);
566 }
568 /** Finds out the minimum common bbox of the selected items
569 */
570 NR::Rect
571 enclose_items(const GSList *items)
572 {
573 g_assert(items != NULL);
575 NR::Rect r = sp_item_bbox_desktop((SPItem *) items->data);
577 for (GSList *i = items->next; i; i = i->next) {
578 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
579 }
581 return r;
582 }
584 SPObject *
585 prev_sibling(SPObject *child)
586 {
587 SPObject *parent = SP_OBJECT_PARENT(child);
588 if (!SP_IS_GROUP(parent)) {
589 return NULL;
590 }
591 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
592 if (i->next == child)
593 return i;
594 }
595 return NULL;
596 }
598 void
599 sp_selection_raise()
600 {
601 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
602 if (!desktop)
603 return;
605 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
607 GSList const *items = (GSList *) selection->itemList();
608 if (!items) {
609 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
610 return;
611 }
613 SPGroup const *group = sp_item_list_common_parent_group(items);
614 if (!group) {
615 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
616 return;
617 }
619 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
621 /* construct reverse-ordered list of selected children */
622 GSList *rev = g_slist_copy((GSList *) items);
623 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
625 // find out the common bbox of the selected items
626 NR::Rect selected = enclose_items(items);
628 // for all objects in the selection (starting from top)
629 while (rev) {
630 SPObject *child = SP_OBJECT(rev->data);
631 // for each selected object, find the next sibling
632 for (SPObject *newref = child->next; newref; newref = newref->next) {
633 // if the sibling is an item AND overlaps our selection,
634 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
635 // AND if it's not one of our selected objects,
636 if (!g_slist_find((GSList *) items, newref)) {
637 // move the selected object after that sibling
638 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
639 }
640 break;
641 }
642 }
643 rev = g_slist_remove(rev, child);
644 }
646 sp_document_done(SP_DT_DOCUMENT(desktop));
647 }
649 void sp_selection_raise_to_top()
650 {
651 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
652 if (desktop == NULL)
653 return;
655 SPDocument *document = SP_DT_DOCUMENT(desktop);
656 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
658 if (selection->isEmpty()) {
659 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
660 return;
661 }
663 GSList const *items = (GSList *) selection->itemList();
665 SPGroup const *group = sp_item_list_common_parent_group(items);
666 if (!group) {
667 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
668 return;
669 }
671 GSList *rl = g_slist_copy((GSList *) selection->reprList());
672 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
674 for (GSList *l = rl; l != NULL; l = l->next) {
675 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
676 repr->setPosition(-1);
677 }
679 g_slist_free(rl);
681 sp_document_done(document);
682 }
684 void
685 sp_selection_lower()
686 {
687 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
688 if (desktop == NULL)
689 return;
691 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
693 GSList const *items = (GSList *) selection->itemList();
694 if (!items) {
695 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
696 return;
697 }
699 SPGroup const *group = sp_item_list_common_parent_group(items);
700 if (!group) {
701 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
702 return;
703 }
705 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
707 // find out the common bbox of the selected items
708 NR::Rect selected = enclose_items(items);
710 /* construct direct-ordered list of selected children */
711 GSList *rev = g_slist_copy((GSList *) items);
712 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
713 rev = g_slist_reverse(rev);
715 // for all objects in the selection (starting from top)
716 while (rev) {
717 SPObject *child = SP_OBJECT(rev->data);
718 // for each selected object, find the prev sibling
719 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
720 // if the sibling is an item AND overlaps our selection,
721 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
722 // AND if it's not one of our selected objects,
723 if (!g_slist_find((GSList *) items, newref)) {
724 // move the selected object before that sibling
725 SPObject *put_after = prev_sibling(newref);
726 if (put_after)
727 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
728 else
729 SP_OBJECT_REPR(child)->setPosition(0);
730 }
731 break;
732 }
733 }
734 rev = g_slist_remove(rev, child);
735 }
737 sp_document_done(SP_DT_DOCUMENT(desktop));
739 }
741 void sp_selection_lower_to_bottom()
742 {
743 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
744 if (desktop == NULL)
745 return;
747 SPDocument *document = SP_DT_DOCUMENT(desktop);
748 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
750 if (selection->isEmpty()) {
751 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
752 return;
753 }
755 GSList const *items = (GSList *) selection->itemList();
757 SPGroup const *group = sp_item_list_common_parent_group(items);
758 if (!group) {
759 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
760 return;
761 }
763 GSList *rl;
764 rl = g_slist_copy((GSList *) selection->reprList());
765 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
766 rl = g_slist_reverse(rl);
768 for (GSList *l = rl; l != NULL; l = l->next) {
769 gint minpos;
770 SPObject *pp, *pc;
771 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
772 pp = document->getObjectByRepr(sp_repr_parent(repr));
773 minpos = 0;
774 g_assert(SP_IS_GROUP(pp));
775 pc = sp_object_first_child(pp);
776 while (!SP_IS_ITEM(pc)) {
777 minpos += 1;
778 pc = pc->next;
779 }
780 repr->setPosition(minpos);
781 }
783 g_slist_free(rl);
785 sp_document_done(document);
786 }
788 void
789 sp_undo(SPDesktop *desktop, SPDocument *doc)
790 {
791 if (!sp_document_undo(SP_DT_DOCUMENT(desktop)))
792 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
793 }
795 void
796 sp_redo(SPDesktop *desktop, SPDocument *doc)
797 {
798 if (!sp_document_redo(SP_DT_DOCUMENT(desktop)))
799 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
800 }
802 void sp_selection_cut()
803 {
804 sp_selection_copy();
805 sp_selection_delete();
806 }
808 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
809 {
810 SPGradient *ref = gradient;
812 while (ref) {
813 // climb up the refs, copying each one in the chain
814 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
815 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
817 ref = ref->ref->getObject();
818 }
819 }
821 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
822 {
823 SPPattern *ref = pattern;
825 while (ref) {
826 // climb up the refs, copying each one in the chain
827 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
828 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
830 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
831 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
832 if (!SP_IS_ITEM (child))
833 continue;
834 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
835 }
837 ref = ref->ref->getObject();
838 }
839 }
841 void sp_copy_marker (GSList **defs_clip, SPMarker *marker)
842 {
843 Inkscape::XML::Node *marker_repr = SP_OBJECT_REPR(marker)->duplicate();
844 *defs_clip = g_slist_prepend (*defs_clip, marker_repr);
845 }
848 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
849 {
850 SPItem *path = sp_textpath_get_path_item (tp);
851 if (!path)
852 return;
853 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
854 return;
855 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
856 *defs_clip = g_slist_prepend (*defs_clip, repr);
857 }
859 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
860 {
861 SPStyle *style = SP_OBJECT_STYLE (item);
863 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
864 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
865 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
866 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
867 if (SP_IS_PATTERN (server))
868 sp_copy_pattern (defs_clip, SP_PATTERN(server));
869 }
871 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
872 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
873 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
874 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
875 if (SP_IS_PATTERN (server))
876 sp_copy_pattern (defs_clip, SP_PATTERN(server));
877 }
879 if (SP_IS_SHAPE (item)) {
880 SPShape *shape = SP_SHAPE (item);
881 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
882 if (shape->marker[i]) {
883 sp_copy_marker (defs_clip, SP_MARKER (shape->marker[i]));
884 }
885 }
886 }
888 if (SP_IS_TEXT_TEXTPATH (item)) {
889 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
890 }
892 // recurse
893 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
894 if (SP_IS_ITEM(o))
895 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
896 }
897 }
899 /**
900 * \pre item != NULL
901 */
902 SPCSSAttr *
903 take_style_from_item (SPItem *item)
904 {
905 // write the complete cascaded style, context-free
906 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
907 if (css == NULL)
908 return NULL;
910 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
911 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
912 // if this is a text with exactly one tspan child, merge the style of that tspan as well
913 // If this is a group, merge the style of its topmost (last) child with style
914 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
915 if (SP_OBJECT_STYLE (last_element) != NULL) {
916 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
917 if (temp) {
918 sp_repr_css_merge (css, temp);
919 sp_repr_css_attr_unref (temp);
920 }
921 break;
922 }
923 }
924 }
925 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
926 // do not copy text properties from non-text objects, it's confusing
927 css = sp_css_attr_unset_text (css);
928 }
930 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
931 double ex = NR::expansion(sp_item_i2doc_affine(item));
932 if (ex != 1.0) {
933 css = sp_css_attr_scale (css, ex);
934 }
936 return css;
937 }
940 void sp_selection_copy()
941 {
942 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
943 if (desktop == NULL)
944 return;
946 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
948 if (tools_isactive (desktop, TOOLS_DROPPER)) {
949 sp_dropper_context_copy(desktop->event_context);
950 return; // copied color under cursor, nothing else to do
951 }
953 // check if something is selected
954 if (selection->isEmpty()) {
955 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
956 return;
957 }
959 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
961 // 0. Copy text to system clipboard
962 // FIXME: for non-texts, put serialized XML as text to the clipboard;
963 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
964 Glib::ustring text;
965 if (tools_isactive (desktop, TOOLS_TEXT)) {
966 text = sp_text_get_selected_text(desktop->event_context);
967 }
969 if (text.empty()) {
970 guint texts = 0;
971 for (GSList *i = (GSList *) items; i; i = i->next) {
972 SPItem *item = SP_ITEM (i->data);
973 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
974 if (texts > 0) // if more than one text object is copied, separate them by spaces
975 text += " ";
976 gchar *this_text = sp_te_get_string_multiline (item);
977 if (this_text) {
978 text += this_text;
979 g_free(this_text);
980 }
981 texts++;
982 }
983 }
984 }
985 if (!text.empty()) {
986 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
987 refClipboard->set_text(text);
988 }
990 // clear old defs clipboard
991 while (defs_clipboard) {
992 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
993 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
994 }
996 // clear style clipboard
997 if (style_clipboard) {
998 sp_repr_css_attr_unref (style_clipboard);
999 style_clipboard = NULL;
1000 }
1002 //clear main clipboard
1003 while (clipboard) {
1004 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1005 clipboard = g_slist_remove(clipboard, clipboard->data);
1006 }
1008 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1010 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1011 SPStyle *const query = sp_style_new();
1012 if (sp_desktop_query_style_all (desktop, query)) {
1013 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1014 if (css != NULL) {
1015 // clear style clipboard
1016 if (style_clipboard) {
1017 sp_repr_css_attr_unref (style_clipboard);
1018 style_clipboard = NULL;
1019 }
1020 //sp_repr_css_print (css);
1021 style_clipboard = css;
1022 }
1023 }
1024 g_free (query);
1025 }
1027 g_slist_free ((GSList *) items);
1028 }
1030 void sp_selection_paste(bool in_place)
1031 {
1032 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1034 if (desktop == NULL) {
1035 return;
1036 }
1038 SPDocument *document = SP_DT_DOCUMENT(desktop);
1040 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1041 return;
1042 }
1044 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1046 if (tools_isactive (desktop, TOOLS_TEXT)) {
1047 if (sp_text_paste_inline(desktop->event_context))
1048 return; // pasted from system clipboard into text, nothing else to do
1049 }
1051 // check if something is in the clipboard
1052 if (clipboard == NULL) {
1053 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1054 return;
1055 }
1057 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1058 // add pasted objects to selection
1059 selection->setReprList((GSList const *) copied);
1060 g_slist_free (copied);
1062 if (!in_place) {
1063 sp_document_ensure_up_to_date(document);
1065 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1067 /* Snap the offset of the new item(s) to the grid */
1068 /* FIXME: this gridsnap fiddling is a hack. */
1069 Inkscape::GridSnapper &s = desktop->namedview->grid_snapper;
1070 gdouble const curr_gridsnap = s.getDistance();
1071 s.setDistance(NR_HUGE);
1072 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1073 s.setDistance(curr_gridsnap);
1074 sp_selection_move_relative(selection, m);
1075 }
1077 sp_document_done(document);
1078 }
1080 void sp_selection_paste_style()
1081 {
1082 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1083 if (desktop == NULL) return;
1085 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1087 // check if something is in the clipboard
1088 if (clipboard == NULL) {
1089 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1090 return;
1091 }
1093 // check if something is selected
1094 if (selection->isEmpty()) {
1095 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1096 return;
1097 }
1099 paste_defs (&defs_clipboard, SP_DT_DOCUMENT(desktop));
1101 sp_desktop_set_style (desktop, style_clipboard);
1103 sp_document_done(SP_DT_DOCUMENT (desktop));
1104 }
1106 void sp_selection_to_next_layer ()
1107 {
1108 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1110 Inkscape::Selection *selection = SP_DT_SELECTION(dt);
1112 // check if something is selected
1113 if (selection->isEmpty()) {
1114 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1115 return;
1116 }
1118 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1120 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1121 if (next) {
1122 GSList *temp_clip = NULL;
1123 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1124 sp_selection_delete_impl (items);
1125 GSList *copied = sp_selection_paste_impl (SP_DT_DOCUMENT (dt), next, &temp_clip, NULL);
1126 selection->setReprList((GSList const *) copied);
1127 g_slist_free (copied);
1128 if (temp_clip) g_slist_free (temp_clip);
1129 dt->setCurrentLayer(next);
1130 sp_document_done(SP_DT_DOCUMENT (dt));
1131 } else {
1132 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1133 }
1135 g_slist_free ((GSList *) items);
1136 }
1138 void sp_selection_to_prev_layer ()
1139 {
1140 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1142 Inkscape::Selection *selection = SP_DT_SELECTION(dt);
1144 // check if something is selected
1145 if (selection->isEmpty()) {
1146 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1147 return;
1148 }
1150 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1152 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1153 if (next) {
1154 GSList *temp_clip = NULL;
1155 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1156 sp_selection_delete_impl (items);
1157 GSList *copied = sp_selection_paste_impl (SP_DT_DOCUMENT (dt), next, &temp_clip, NULL);
1158 selection->setReprList((GSList const *) copied);
1159 g_slist_free (copied);
1160 if (temp_clip) g_slist_free (temp_clip);
1161 dt->setCurrentLayer(next);
1162 sp_document_done(SP_DT_DOCUMENT (dt));
1163 } else {
1164 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1165 }
1167 g_slist_free ((GSList *) items);
1168 }
1170 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1171 {
1172 if (selection->isEmpty())
1173 return;
1175 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1176 SPItem *item = SP_ITEM(l->data);
1178 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1179 At the time of writing, this is the only place to re-enable. */
1180 sp_item_update_cns(*item, selection->desktop());
1181 #endif
1183 // we're moving both a clone and its original
1184 bool transform_clone_with_original = (SP_IS_USE(item) && selection->includes( sp_use_get_original (SP_USE(item)) ));
1185 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)))) ));
1186 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // only the first frame so far
1187 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1189 // "clones are unmoved when original is moved" preference
1190 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1191 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1192 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1194 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1195 // transform of its original and respond to it itself. Without this, a clone is doubly
1196 // transformed, very unintuitive.
1197 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1198 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1199 // Same for linked offset if we are also moving its source: do not move it.
1200 if (transform_textpath_with_path || transform_offset_with_source) {
1201 // restore item->transform field from the repr, in case it was changed by seltrans
1202 sp_object_read_attr (SP_OBJECT (item), "transform");
1204 } else if (transform_flowtext_with_frame) {
1205 // apply the inverse of the region's transform to the <use> so that the flow remains
1206 // the same (even though the output itself gets transformed)
1207 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1208 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1209 continue;
1210 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1211 if (!SP_IS_USE(use)) continue;
1212 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1213 }
1214 }
1215 } else if (transform_clone_with_original) {
1216 // We are transforming a clone along with its original. The below matrix juggling is
1217 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1218 // transform and its move compensation are both cancelled out.
1220 // restore item->transform field from the repr, in case it was changed by seltrans
1221 sp_object_read_attr (SP_OBJECT (item), "transform");
1223 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1224 NR::Matrix t = matrix_to_desktop (matrix_from_desktop (affine, item), item);
1225 NR::Matrix t_inv = matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item);
1226 NR::Matrix result = t_inv * item->transform * t;
1228 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1229 // we need to cancel out the move compensation, too
1231 // find out the clone move, same as in sp_use_move_compensate
1232 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1233 NR::Matrix clone_move = parent.inverse() * t * parent;
1235 if (prefs_parallel) {
1236 NR::Matrix move = result * clone_move * t_inv;
1237 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1239 } else if (prefs_unmoved) {
1240 if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1241 clone_move = NR::identity();
1242 NR::Matrix move = result * clone_move;
1243 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1244 }
1246 } else {
1247 // just apply the result
1248 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &result);
1249 }
1251 } else {
1252 if (set_i2d) {
1253 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1254 }
1255 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1256 }
1257 }
1258 }
1260 void sp_selection_remove_transform()
1261 {
1262 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1263 if (desktop == NULL)
1264 return;
1266 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1268 GSList const *l = (GSList *) selection->reprList();
1269 while (l != NULL) {
1270 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1271 l = l->next;
1272 }
1274 sp_document_done(SP_DT_DOCUMENT(desktop));
1275 }
1277 void
1278 sp_selection_scale_absolute(Inkscape::Selection *selection,
1279 double const x0, double const x1,
1280 double const y0, double const y1)
1281 {
1282 if (selection->isEmpty())
1283 return;
1285 NR::Rect const bbox(selection->bounds());
1286 if (bbox.isEmpty()) {
1287 return;
1288 }
1290 NR::translate const p2o(-bbox.min());
1292 NR::scale const newSize(x1 - x0,
1293 y1 - y0);
1294 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1295 NR::translate const o2n(x0, y0);
1296 NR::Matrix const final( p2o * scale * o2n );
1298 sp_selection_apply_affine(selection, final);
1299 }
1302 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1303 {
1304 if (selection->isEmpty())
1305 return;
1307 NR::Rect const bbox(selection->bounds());
1309 if (bbox.isEmpty()) {
1310 return;
1311 }
1313 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1314 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1315 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1316 {
1317 return;
1318 }
1320 NR::translate const n2d(-align);
1321 NR::translate const d2n(align);
1322 NR::Matrix const final( n2d * scale * d2n );
1323 sp_selection_apply_affine(selection, final);
1324 }
1326 void
1327 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1328 {
1329 NR::translate const d2n(center);
1330 NR::translate const n2d(-center);
1331 NR::rotate const rotate(rotate_degrees(angle_degrees));
1332 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1333 sp_selection_apply_affine(selection, final);
1334 }
1336 void
1337 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1338 {
1339 NR::translate const d2n(align);
1340 NR::translate const n2d(-align);
1341 NR::Matrix const skew(1, dy,
1342 dx, 1,
1343 0, 0);
1344 NR::Matrix const final( n2d * skew * d2n );
1345 sp_selection_apply_affine(selection, final);
1346 }
1348 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1349 {
1350 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1351 }
1353 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1354 {
1355 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1356 }
1359 /**
1360 * \brief sp_selection_rotate_90
1361 *
1362 * This function rotates selected objects 90 degrees clockwise.
1363 *
1364 */
1366 void sp_selection_rotate_90_cw()
1367 {
1368 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1370 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1372 if (selection->isEmpty())
1373 return;
1375 GSList const *l = selection->itemList();
1376 NR::rotate const rot_neg_90(NR::Point(0, -1));
1377 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1378 SPItem *item = SP_ITEM(l2->data);
1379 sp_item_rotate_rel(item, rot_neg_90);
1380 }
1382 sp_document_done(SP_DT_DOCUMENT(desktop));
1383 }
1386 /**
1387 * \brief sp_selection_rotate_90_ccw
1388 *
1389 * This function rotates selected objects 90 degrees counter-clockwise.
1390 *
1391 */
1393 void sp_selection_rotate_90_ccw()
1394 {
1395 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1397 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1399 if (selection->isEmpty())
1400 return;
1402 GSList const *l = selection->itemList();
1403 NR::rotate const rot_neg_90(NR::Point(0, 1));
1404 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1405 SPItem *item = SP_ITEM(l2->data);
1406 sp_item_rotate_rel(item, rot_neg_90);
1407 }
1409 sp_document_done(SP_DT_DOCUMENT(desktop));
1410 }
1412 void
1413 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1414 {
1415 if (selection->isEmpty())
1416 return;
1418 NR::Point const center(selection->bounds().midpoint());
1420 sp_selection_rotate_relative(selection, center, angle_degrees);
1422 sp_document_maybe_done(SP_DT_DOCUMENT(selection->desktop()),
1423 ( ( angle_degrees > 0 )
1424 ? "selector:rotate:ccw"
1425 : "selector:rotate:cw" ));
1426 }
1428 /**
1429 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1430 */
1431 void
1432 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1433 {
1434 if (selection->isEmpty())
1435 return;
1437 NR::Rect const bbox(selection->bounds());
1438 NR::Point const center(bbox.midpoint());
1440 gdouble const zoom = selection->desktop()->current_zoom();
1441 gdouble const zmove = angle / zoom;
1442 gdouble const r = NR::L2(bbox.max() - center);
1444 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1446 sp_selection_rotate_relative(selection, center, zangle);
1448 sp_document_maybe_done(SP_DT_DOCUMENT(selection->desktop()),
1449 ( (angle > 0)
1450 ? "selector:rotate:ccw"
1451 : "selector:rotate:cw" ));
1452 }
1454 void
1455 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1456 {
1457 if (selection->isEmpty())
1458 return;
1460 NR::Rect const bbox(selection->bounds());
1461 NR::Point const center(bbox.midpoint());
1462 double const max_len = bbox.maxExtent();
1464 // you can't scale "do nizhe pola" (below zero)
1465 if ( max_len + grow <= 1e-3 ) {
1466 return;
1467 }
1469 double const times = 1.0 + grow / max_len;
1470 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1472 sp_document_maybe_done(SP_DT_DOCUMENT(selection->desktop()),
1473 ( (grow > 0)
1474 ? "selector:scale:larger"
1475 : "selector:scale:smaller" ));
1476 }
1478 void
1479 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1480 {
1481 sp_selection_scale(selection,
1482 grow_pixels / selection->desktop()->current_zoom());
1483 }
1485 void
1486 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1487 {
1488 if (selection->isEmpty())
1489 return;
1491 NR::Point const center(selection->bounds().midpoint());
1492 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1493 sp_document_done(SP_DT_DOCUMENT(selection->desktop()));
1494 }
1496 void
1497 sp_selection_move(gdouble dx, gdouble dy)
1498 {
1499 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1500 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1501 if (selection->isEmpty()) {
1502 return;
1503 }
1505 sp_selection_move_relative(selection, dx, dy);
1507 if (dx == 0) {
1508 sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:vertical");
1509 } else if (dy == 0) {
1510 sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:horizontal");
1511 } else {
1512 sp_document_done(SP_DT_DOCUMENT(desktop));
1513 }
1514 }
1516 void
1517 sp_selection_move_screen(gdouble dx, gdouble dy)
1518 {
1519 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1521 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1522 if (selection->isEmpty()) {
1523 return;
1524 }
1526 // same as sp_selection_move but divide deltas by zoom factor
1527 gdouble const zoom = desktop->current_zoom();
1528 gdouble const zdx = dx / zoom;
1529 gdouble const zdy = dy / zoom;
1530 sp_selection_move_relative(selection, zdx, zdy);
1532 if (dx == 0) {
1533 sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:vertical");
1534 } else if (dy == 0) {
1535 sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:horizontal");
1536 } else {
1537 sp_document_done(SP_DT_DOCUMENT(desktop));
1538 }
1539 }
1541 namespace {
1543 template <typename D>
1544 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1545 bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive);
1547 template <typename D>
1548 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1549 bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive);
1551 struct Forward {
1552 typedef SPObject *Iterator;
1554 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1555 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1556 static void dispose(Iterator i) {}
1558 static SPObject *object(Iterator i) { return i; }
1559 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1560 };
1562 struct Reverse {
1563 typedef GSList *Iterator;
1565 static Iterator children(SPObject *o) {
1566 return make_list(o->firstChild(), NULL);
1567 }
1568 static Iterator siblings_after(SPObject *o) {
1569 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1570 }
1571 static void dispose(Iterator i) {
1572 g_slist_free(i);
1573 }
1575 static SPObject *object(Iterator i) {
1576 return reinterpret_cast<SPObject *>(i->data);
1577 }
1578 static Iterator next(Iterator i) { return i->next; }
1580 private:
1581 static GSList *make_list(SPObject *object, SPObject *limit) {
1582 GSList *list=NULL;
1583 while ( object != limit ) {
1584 list = g_slist_prepend(list, object);
1585 object = SP_OBJECT_NEXT(object);
1586 }
1587 return list;
1588 }
1589 };
1591 }
1593 void
1594 sp_selection_item_next(void)
1595 {
1596 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1597 g_return_if_fail(desktop != NULL);
1598 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1600 bool inlayer = prefs_get_int_attribute ("options.kbselection", "inlayer", 1);
1601 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1602 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1604 SPObject *root;
1605 if (inlayer) {
1606 root = desktop->currentLayer();
1607 } else {
1608 root = desktop->currentRoot();
1609 }
1611 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1613 if (item) {
1614 selection->set(item);
1615 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1616 scroll_to_show_item(desktop, item);
1617 }
1618 }
1619 }
1621 void
1622 sp_selection_item_prev(void)
1623 {
1624 SPDocument *document = SP_ACTIVE_DOCUMENT;
1625 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1626 g_return_if_fail(document != NULL);
1627 g_return_if_fail(desktop != NULL);
1628 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1630 bool inlayer = prefs_get_int_attribute ("options.kbselection", "inlayer", 1);
1631 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1632 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1634 SPObject *root;
1635 if (inlayer) {
1636 root = desktop->currentLayer();
1637 } else {
1638 root = desktop->currentRoot();
1639 }
1641 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1643 if (item) {
1644 selection->set(item);
1645 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1646 scroll_to_show_item(desktop, item);
1647 }
1648 }
1649 }
1651 namespace {
1653 template <typename D>
1654 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1655 SPObject *root, bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive)
1656 {
1657 SPObject *current=root;
1658 while (items) {
1659 SPItem *item=SP_ITEM(items->data);
1660 if ( root->isAncestorOf(item) &&
1661 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1662 {
1663 current = item;
1664 break;
1665 }
1666 items = items->next;
1667 }
1669 GSList *path=NULL;
1670 while ( current != root ) {
1671 path = g_slist_prepend(path, current);
1672 current = SP_OBJECT_PARENT(current);
1673 }
1675 SPItem *next;
1676 // first, try from the current object
1677 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1678 g_slist_free(path);
1680 if (!next) { // if we ran out of objects, start over at the root
1681 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1682 }
1684 return next;
1685 }
1687 template <typename D>
1688 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1689 bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive)
1690 {
1691 typename D::Iterator children;
1692 typename D::Iterator iter;
1694 SPItem *found=NULL;
1696 if (path) {
1697 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1698 g_assert(SP_OBJECT_PARENT(object) == root);
1699 if (desktop->isLayer(object)) {
1700 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1701 }
1702 iter = children = D::siblings_after(object);
1703 } else {
1704 iter = children = D::children(root);
1705 }
1707 while ( iter && !found ) {
1708 SPObject *object=D::object(iter);
1709 if (desktop->isLayer(object)) {
1710 if (!inlayer) { // recurse into sublayers
1711 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1712 }
1713 } else if ( SP_IS_ITEM(object) &&
1714 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1715 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1716 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1717 !desktop->isLayer(SP_ITEM(object)) )
1718 {
1719 found = SP_ITEM(object);
1720 }
1721 iter = D::next(iter);
1722 }
1724 D::dispose(children);
1726 return found;
1727 }
1729 }
1731 /**
1732 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1733 * \a item.
1734 */
1735 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1736 {
1737 NR::Rect dbox = desktop->get_display_area();
1738 NR::Rect sbox = sp_item_bbox_desktop(item);
1740 if (dbox.contains(sbox) == false) {
1741 NR::Point const s_dt = sbox.midpoint();
1742 NR::Point const s_w = desktop->d2w(s_dt);
1743 NR::Point const d_dt = dbox.midpoint();
1744 NR::Point const d_w = desktop->d2w(d_dt);
1745 NR::Point const moved_w( d_w - s_w );
1746 gint const dx = (gint) moved_w[X];
1747 gint const dy = (gint) moved_w[Y];
1748 desktop->scroll_world(dx, dy);
1749 }
1750 }
1753 void
1754 sp_selection_clone()
1755 {
1756 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1757 if (desktop == NULL)
1758 return;
1760 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1762 // check if something is selected
1763 if (selection->isEmpty()) {
1764 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1765 return;
1766 }
1768 // Check if more than one object is selected.
1769 if (g_slist_length((GSList *) selection->itemList()) > 1) {
1770 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("If you want to clone several objects, <b>group</b> them and <b>clone the group</b>."));
1771 return;
1772 }
1774 Inkscape::XML::Node *sel_repr = SP_OBJECT_REPR(selection->singleItem());
1775 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1777 Inkscape::XML::Node *clone = sp_repr_new("svg:use");
1778 clone->setAttribute("x", "0");
1779 clone->setAttribute("y", "0");
1780 clone->setAttribute("xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
1782 // add the new clone to the top of the original's parent
1783 parent->appendChild(clone);
1785 sp_document_done(SP_DT_DOCUMENT(desktop));
1787 selection->set(clone);
1788 Inkscape::GC::release(clone);
1789 }
1791 void
1792 sp_selection_unlink()
1793 {
1794 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1795 if (!desktop)
1796 return;
1798 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1800 if (selection->isEmpty()) {
1801 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
1802 return;
1803 }
1805 // Get a copy of current selection.
1806 GSList *new_select = NULL;
1807 bool unlinked = false;
1808 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
1809 items != NULL;
1810 items = items->next)
1811 {
1812 SPItem *use = (SPItem *) items->data;
1814 if (!SP_IS_USE(use)) {
1815 // keep the non-yse item in the new selection
1816 new_select = g_slist_prepend(new_select, use);
1817 continue;
1818 }
1820 SPItem *unlink = sp_use_unlink(SP_USE(use));
1821 unlinked = true;
1822 // Add ungrouped items to the new selection.
1823 new_select = g_slist_prepend(new_select, unlink);
1824 }
1826 if (new_select) { // set new selection
1827 selection->clear();
1828 selection->setList(new_select);
1829 g_slist_free(new_select);
1830 }
1831 if (!unlinked) {
1832 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
1833 }
1835 sp_document_done(SP_DT_DOCUMENT(desktop));
1836 }
1838 void
1839 sp_select_clone_original()
1840 {
1841 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1842 if (desktop == NULL)
1843 return;
1845 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1847 SPItem *item = selection->singleItem();
1849 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.");
1851 // Check if other than two objects are selected
1852 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
1853 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
1854 return;
1855 }
1857 SPItem *original = NULL;
1858 if (SP_IS_USE(item)) {
1859 original = sp_use_get_original (SP_USE(item));
1860 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
1861 original = sp_offset_get_source (SP_OFFSET(item));
1862 } else if (SP_IS_TEXT_TEXTPATH(item)) {
1863 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
1864 } else if (SP_IS_FLOWTEXT(item)) {
1865 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
1866 } else { // it's an object that we don't know what to do with
1867 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
1868 return;
1869 }
1871 if (!original) {
1872 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
1873 return;
1874 }
1876 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
1877 if (SP_IS_DEFS (o)) {
1878 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
1879 return;
1880 }
1881 }
1883 if (original) {
1884 selection->clear();
1885 selection->set(original);
1886 if (SP_CYCLING == SP_CYCLE_FOCUS) {
1887 scroll_to_show_item(desktop, original);
1888 }
1889 }
1890 }
1892 void
1893 sp_selection_tile(bool apply)
1894 {
1895 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1896 if (desktop == NULL)
1897 return;
1899 SPDocument *document = SP_DT_DOCUMENT(desktop);
1901 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1903 // check if something is selected
1904 if (selection->isEmpty()) {
1905 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
1906 return;
1907 }
1909 sp_document_ensure_up_to_date(document);
1910 NR::Rect r = selection->bounds();
1911 if (r.isEmpty()) {
1912 return;
1913 }
1915 // calculate the transform to be applied to objects to move them to 0,0
1916 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
1917 move_p[NR::Y] = -move_p[NR::Y];
1918 NR::Matrix move = NR::Matrix (NR::translate (move_p));
1920 GSList *items = g_slist_copy((GSList *) selection->itemList());
1922 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
1924 // bottommost object, after sorting
1925 SPObject *parent = SP_OBJECT_PARENT (items->data);
1927 // remember the position of the first item
1928 gint pos = SP_OBJECT_REPR (items->data)->position();
1930 // create a list of duplicates
1931 GSList *repr_copies = NULL;
1932 for (GSList *i = items; i != NULL; i = i->next) {
1933 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
1934 repr_copies = g_slist_prepend (repr_copies, dup);
1935 }
1937 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
1939 if (apply) {
1940 // delete objects so that their clones don't get alerted; this object will be restored shortly
1941 for (GSList *i = items; i != NULL; i = i->next) {
1942 SPObject *item = SP_OBJECT (i->data);
1943 item->deleteObject (false);
1944 }
1945 }
1947 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
1948 // without disturbing clones.
1949 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
1950 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1951 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1953 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
1954 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))), move);
1956 // restore compensation setting
1957 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
1959 if (apply) {
1960 Inkscape::XML::Node *rect = sp_repr_new ("svg:rect");
1961 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
1962 sp_repr_set_svg_double(rect, "width", bounds.extent(NR::X));
1963 sp_repr_set_svg_double(rect, "height", bounds.extent(NR::Y));
1964 sp_repr_set_svg_double(rect, "x", bounds.min()[NR::X]);
1965 sp_repr_set_svg_double(rect, "y", bounds.min()[NR::Y]);
1967 // restore parent and position
1968 SP_OBJECT_REPR (parent)->appendChild(rect);
1969 rect->setPosition(pos > 0 ? pos : 0);
1970 SPItem *rectangle = (SPItem *) SP_DT_DOCUMENT (desktop)->getObjectByRepr(rect);
1972 Inkscape::GC::release(rect);
1974 selection->clear();
1975 selection->set(rectangle);
1976 }
1978 g_slist_free (items);
1980 sp_document_done (document);
1981 }
1983 void
1984 sp_selection_untile()
1985 {
1986 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1987 if (desktop == NULL)
1988 return;
1990 SPDocument *document = SP_DT_DOCUMENT(desktop);
1992 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
1994 // check if something is selected
1995 if (selection->isEmpty()) {
1996 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
1997 return;
1998 }
2000 GSList *new_select = NULL;
2002 bool did = false;
2004 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2005 items != NULL;
2006 items = items->next) {
2008 SPItem *item = (SPItem *) items->data;
2010 SPStyle *style = SP_OBJECT_STYLE (item);
2012 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2013 continue;
2015 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2017 if (!SP_IS_PATTERN(server))
2018 continue;
2020 did = true;
2022 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2024 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2025 pat_transform *= item->transform;
2027 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2028 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2029 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2031 // FIXME: relink clones to the new canvas objects
2032 // use SPObject::setid when mental finishes it to steal ids of
2034 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2035 sp_document_ensure_up_to_date (document);
2037 NR::Matrix transform( i->transform * pat_transform );
2038 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2040 new_select = g_slist_prepend(new_select, i);
2041 }
2043 SPCSSAttr *css = sp_repr_css_attr_new ();
2044 sp_repr_css_set_property (css, "fill", "none");
2045 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2046 }
2048 if (!did) {
2049 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2050 } else {
2051 sp_document_done(SP_DT_DOCUMENT(desktop));
2052 selection->setList(new_select);
2053 }
2054 }
2056 void
2057 sp_selection_create_bitmap_copy ()
2058 {
2059 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2060 if (desktop == NULL)
2061 return;
2063 SPDocument *document = SP_DT_DOCUMENT(desktop);
2065 Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
2067 // check if something is selected
2068 if (selection->isEmpty()) {
2069 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2070 return;
2071 }
2073 // Get the bounding box of the selection
2074 NRRect bbox;
2075 sp_document_ensure_up_to_date (document);
2076 selection->bounds(&bbox);
2077 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2078 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2079 }
2081 // List of the items to show; all others will be hidden
2082 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2084 // Sort items so that the topmost comes last
2085 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2087 // Generate a random value from the current time (you may create bitmap from the same object(s)
2088 // multiple times, and this is done so that they don't clash)
2089 GTimeVal cu;
2090 g_get_current_time (&cu);
2091 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2093 // Create the filename
2094 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2095 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2096 // digits, and a few other chars, with "_"
2097 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2098 // Build the complete path by adding document->base if set
2099 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2101 //g_print ("%s\n", filepath);
2103 // Remember parent and z-order of the topmost one
2104 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2105 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2106 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2108 // Calculate resolution
2109 double res;
2110 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2111 if (0 < prefs_res) {
2112 // If it's given explicitly in prefs, take it
2113 res = prefs_res;
2114 } else {
2115 // Otherwise look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2116 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 250);
2117 res = prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2118 }
2120 // The width and height of the bitmap in pixels
2121 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res);
2122 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res);
2124 // Find out if we have to run a filter
2125 const gchar *run = NULL;
2126 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2127 if (filter) {
2128 // filter command is given;
2129 // see if we have a parameter to pass to it
2130 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2131 if (param1) {
2132 if (param1[strlen(param1) - 1] == '%') {
2133 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2134 gchar p1[256];
2135 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2136 // the first param is always the image filename, the second is param1
2137 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2138 } else {
2139 // otherwise pass the param1 unchanged
2140 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2141 }
2142 } else {
2143 // run without extra parameter
2144 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2145 }
2146 }
2148 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2149 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2150 NR::Matrix t = NR::scale (1/res, -1/res) * NR::translate (bbox.x0, bbox.y1) * eek.inverse();
2152 // Do the export
2153 sp_export_png_file(document, filepath,
2154 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2155 width, height,
2156 (guint32) 0xffffff00,
2157 NULL, NULL,
2158 true, /*bool force_overwrite,*/
2159 items);
2161 g_slist_free (items);
2163 // Run filter, if any
2164 if (run) {
2165 g_print ("Running external filter: %s\n", run);
2166 system (run);
2167 }
2169 // Import the image back
2170 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2171 if (pb) {
2172 // Create the repr for the image
2173 Inkscape::XML::Node * repr = sp_repr_new ("svg:image");
2174 repr->setAttribute("xlink:href", filename);
2175 repr->setAttribute("sodipodi:absref", filepath);
2176 sp_repr_set_svg_double(repr, "width", gdk_pixbuf_get_width(pb));
2177 sp_repr_set_svg_double(repr, "height", gdk_pixbuf_get_height(pb));
2179 // Write transform
2180 gchar c[256];
2181 if (sp_svg_transform_write(c, 256, t)) {
2182 repr->setAttribute("transform", c);
2183 }
2185 // add the new repr to the parent
2186 parent->appendChild(repr);
2188 // move to the saved position
2189 repr->setPosition(pos > 0 ? pos + 1 : 1);
2191 // Set selection to the new image
2192 selection->clear();
2193 selection->add(repr);
2195 // Clean up
2196 Inkscape::GC::release(repr);
2197 gdk_pixbuf_unref (pb);
2199 // Complete undoable transaction
2200 sp_document_done (document);
2201 }
2203 g_free (filename);
2204 g_free (filepath);
2205 }
2208 /*
2209 Local Variables:
2210 mode:c++
2211 c-file-style:"stroustrup"
2212 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2213 indent-tabs-mode:nil
2214 fill-column:99
2215 End:
2216 */
2217 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :