a161239017fa0e70218c1132294933558b5a8cff
1 /*
2 */
4 #ifdef HAVE_CONFIG_H
5 # include "config.h"
6 #endif
7 #include <glibmm/i18n.h>
9 #include "attributes.h"
10 #include "xml/repr.h"
11 #include "style.h"
12 #include "inkscape.h"
13 #include "document.h"
14 #include "selection.h"
15 #include "desktop-handles.h"
16 #include "desktop.h"
17 #include "desktop-affine.h"
19 #include "xml/repr.h"
21 #include "sp-flowdiv.h"
22 #include "sp-flowregion.h"
23 #include "sp-flowtext.h"
24 #include "sp-string.h"
25 #include "sp-use.h"
26 #include "sp-rect.h"
27 #include "text-tag-attributes.h"
30 #include "livarot/Shape.h"
32 #include "display/nr-arena-glyphs.h"
35 static void sp_flowtext_class_init(SPFlowtextClass *klass);
36 static void sp_flowtext_init(SPFlowtext *group);
37 static void sp_flowtext_dispose(GObject *object);
39 static void sp_flowtext_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref);
40 static void sp_flowtext_remove_child(SPObject *object, Inkscape::XML::Node *child);
41 static void sp_flowtext_update(SPObject *object, SPCtx *ctx, guint flags);
42 static void sp_flowtext_modified(SPObject *object, guint flags);
43 static Inkscape::XML::Node *sp_flowtext_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
44 static void sp_flowtext_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
45 static void sp_flowtext_set(SPObject *object, unsigned key, gchar const *value);
47 static void sp_flowtext_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const flags);
48 static void sp_flowtext_print(SPItem *item, SPPrintContext *ctx);
49 static gchar *sp_flowtext_description(SPItem *item);
50 static NRArenaItem *sp_flowtext_show(SPItem *item, NRArena *arena, unsigned key, unsigned flags);
51 static void sp_flowtext_hide(SPItem *item, unsigned key);
53 static SPItemClass *parent_class;
55 GType
56 sp_flowtext_get_type(void)
57 {
58 static GType group_type = 0;
59 if (!group_type) {
60 GTypeInfo group_info = {
61 sizeof(SPFlowtextClass),
62 NULL, /* base_init */
63 NULL, /* base_finalize */
64 (GClassInitFunc) sp_flowtext_class_init,
65 NULL, /* class_finalize */
66 NULL, /* class_data */
67 sizeof(SPFlowtext),
68 16, /* n_preallocs */
69 (GInstanceInitFunc) sp_flowtext_init,
70 NULL, /* value_table */
71 };
72 group_type = g_type_register_static(SP_TYPE_ITEM, "SPFlowtext", &group_info, (GTypeFlags)0);
73 }
74 return group_type;
75 }
77 static void
78 sp_flowtext_class_init(SPFlowtextClass *klass)
79 {
80 GObjectClass *object_class = (GObjectClass *) klass;
81 SPObjectClass *sp_object_class = (SPObjectClass *) klass;
82 SPItemClass *item_class = (SPItemClass *) klass;
84 parent_class = (SPItemClass *)g_type_class_ref(SP_TYPE_ITEM);
86 object_class->dispose = sp_flowtext_dispose;
88 sp_object_class->child_added = sp_flowtext_child_added;
89 sp_object_class->remove_child = sp_flowtext_remove_child;
90 sp_object_class->update = sp_flowtext_update;
91 sp_object_class->modified = sp_flowtext_modified;
92 sp_object_class->write = sp_flowtext_write;
93 sp_object_class->build = sp_flowtext_build;
94 sp_object_class->set = sp_flowtext_set;
96 item_class->bbox = sp_flowtext_bbox;
97 item_class->print = sp_flowtext_print;
98 item_class->description = sp_flowtext_description;
99 item_class->show = sp_flowtext_show;
100 item_class->hide = sp_flowtext_hide;
101 }
103 static void
104 sp_flowtext_init(SPFlowtext *group)
105 {
106 group->par_indent = 0;
107 new (&group->layout) Inkscape::Text::Layout();
108 }
110 static void
111 sp_flowtext_dispose(GObject *object)
112 {
113 SPFlowtext *group = (SPFlowtext*)object;
115 group->layout.~Layout();
116 }
118 static void
119 sp_flowtext_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
120 {
121 if (((SPObjectClass *) (parent_class))->child_added)
122 (* ((SPObjectClass *) (parent_class))->child_added)(object, child, ref);
124 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
125 }
127 /* fixme: hide (Lauris) */
129 static void
130 sp_flowtext_remove_child(SPObject *object, Inkscape::XML::Node *child)
131 {
132 if (((SPObjectClass *) (parent_class))->remove_child)
133 (* ((SPObjectClass *) (parent_class))->remove_child)(object, child);
135 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
136 }
138 static void
139 sp_flowtext_update(SPObject *object, SPCtx *ctx, unsigned flags)
140 {
141 SPFlowtext *group = SP_FLOWTEXT(object);
142 SPItemCtx *ictx = (SPItemCtx *) ctx;
143 SPItemCtx cctx = *ictx;
145 if (((SPObjectClass *) (parent_class))->update)
146 ((SPObjectClass *) (parent_class))->update(object, ctx, flags);
148 if (flags & SP_OBJECT_MODIFIED_FLAG) flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
149 flags &= SP_OBJECT_MODIFIED_CASCADE;
151 GSList *l = NULL;
152 for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
153 g_object_ref(G_OBJECT(child));
154 l = g_slist_prepend(l, child);
155 }
156 l = g_slist_reverse(l);
157 while (l) {
158 SPObject *child = SP_OBJECT(l->data);
159 l = g_slist_remove(l, child);
160 if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
161 if (SP_IS_ITEM(child)) {
162 SPItem const &chi = *SP_ITEM(child);
163 cctx.i2doc = chi.transform * ictx->i2doc;
164 cctx.i2vp = chi.transform * ictx->i2vp;
165 child->updateDisplay((SPCtx *)&cctx, flags);
166 } else {
167 child->updateDisplay(ctx, flags);
168 }
169 }
170 g_object_unref(G_OBJECT(child));
171 }
173 group->rebuildLayout();
175 // pass the bbox of the flowtext object as paintbox (used for paintserver fills)
176 NRRect paintbox;
177 sp_item_invoke_bbox(group, &paintbox, NR::identity(), TRUE);
178 for (SPItemView *v = group->display; v != NULL; v = v->next) {
179 group->_clearFlow(NR_ARENA_GROUP(v->arenaitem));
180 group->layout.show(NR_ARENA_GROUP(v->arenaitem), &paintbox);
181 }
182 }
184 static void
185 sp_flowtext_modified(SPObject *object, guint flags)
186 {
187 SPObject *ft = SP_FLOWTEXT (object);
188 SPObject *region = NULL;
190 if (flags & SP_OBJECT_MODIFIED_FLAG) flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
191 flags &= SP_OBJECT_MODIFIED_CASCADE;
193 for (SPObject *o = sp_object_first_child(SP_OBJECT(ft)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
194 if (SP_IS_FLOWREGION(o)) {
195 region = o;
196 break;
197 }
198 }
200 if (!region) return;
202 if (flags || (region->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
203 region->emitModified(flags); // pass down to the region only
204 }
205 }
207 static void
208 sp_flowtext_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
209 {
210 object->_requireSVGVersion(Inkscape::Version(1, 2));
212 if (((SPObjectClass *) (parent_class))->build) {
213 (* ((SPObjectClass *) (parent_class))->build)(object, document, repr);
214 }
216 sp_object_read_attr(object, "inkscape:layoutOptions"); // must happen after css has been read
217 }
219 static void
220 sp_flowtext_set(SPObject *object, unsigned key, gchar const *value)
221 {
222 SPFlowtext *group = (SPFlowtext *) object;
224 switch (key) {
225 case SP_ATTR_LAYOUT_OPTIONS: {
226 // deprecated attribute, read for backward compatibility only
227 SPCSSAttr *opts = sp_repr_css_attr((SP_OBJECT(group))->repr, "inkscape:layoutOptions");
228 {
229 gchar const *val = sp_repr_css_property(opts, "justification", NULL);
230 if (val != NULL && !object->style->text_align.set) {
231 if ( strcmp(val, "0") == 0 || strcmp(val, "false") == 0 ) {
232 object->style->text_align.value = SP_CSS_TEXT_ALIGN_LEFT;
233 } else {
234 object->style->text_align.value = SP_CSS_TEXT_ALIGN_JUSTIFY;
235 }
236 object->style->text_align.set = TRUE;
237 object->style->text_align.inherit = FALSE;
238 object->style->text_align.computed = object->style->text_align.value;
239 }
240 }
241 /* no equivalent css attribute for these two (yet)
242 {
243 gchar const *val = sp_repr_css_property(opts, "layoutAlgo", NULL);
244 if ( val == NULL ) {
245 group->algo = 0;
246 } else {
247 if ( strcmp(val, "better") == 0 ) { // knuth-plass, never worked for general cases
248 group->algo = 2;
249 } else if ( strcmp(val, "simple") == 0 ) { // greedy, but allowed lines to be compressed by up to 20% if it would make them fit
250 group->algo = 1;
251 } else if ( strcmp(val, "default") == 0 ) { // the same one we use, a standard greedy
252 group->algo = 0;
253 }
254 }
255 }
256 */
257 { // This would probably translate to padding-left, if SPStyle had it.
258 gchar const *val = sp_repr_css_property(opts, "par-indent", NULL);
259 if ( val == NULL ) {
260 group->par_indent = 0.0;
261 } else {
262 sp_repr_get_double((Inkscape::XML::Node*)opts, "par-indent", &group->par_indent);
263 }
264 }
265 sp_repr_css_attr_unref(opts);
266 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
267 break;
268 }
269 default:
270 if (((SPObjectClass *) (parent_class))->set) {
271 (* ((SPObjectClass *) (parent_class))->set)(object, key, value);
272 }
273 break;
274 }
275 }
277 static Inkscape::XML::Node *
278 sp_flowtext_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
279 {
280 if ( flags & SP_OBJECT_WRITE_BUILD ) {
281 if ( repr == NULL ) repr = sp_repr_new("svg:flowRoot");
282 GSList *l = NULL;
283 for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
284 Inkscape::XML::Node *c_repr = NULL;
285 if ( SP_IS_FLOWDIV(child) || SP_IS_FLOWPARA(child) || SP_IS_FLOWREGION(child) || SP_IS_FLOWREGIONEXCLUDE(child)) {
286 c_repr = child->updateRepr(NULL, flags);
287 }
288 if ( c_repr ) l = g_slist_prepend(l, c_repr);
289 }
290 while ( l ) {
291 repr->addChild((Inkscape::XML::Node *) l->data, NULL);
292 Inkscape::GC::release((Inkscape::XML::Node *) l->data);
293 l = g_slist_remove(l, l->data);
294 }
295 } else {
296 for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
297 if ( SP_IS_FLOWDIV(child) || SP_IS_FLOWPARA(child) || SP_IS_FLOWREGION(child) || SP_IS_FLOWREGIONEXCLUDE(child) ) {
298 child->updateRepr(flags);
299 }
300 }
301 }
303 if (((SPObjectClass *) (parent_class))->write)
304 ((SPObjectClass *) (parent_class))->write(object, repr, flags);
306 return repr;
307 }
309 static void
310 sp_flowtext_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const /*flags*/)
311 {
312 SPFlowtext *group = SP_FLOWTEXT(item);
313 group->layout.getBoundingBox(bbox, transform);
315 // Add stroke width
316 SPStyle* style=SP_OBJECT_STYLE (item);
317 if (style->stroke.type != SP_PAINT_TYPE_NONE) {
318 double const scale = expansion(transform);
319 if ( fabs(style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
320 double const width = MAX(0.125, style->stroke_width.computed * scale);
321 if ( fabs(bbox->x1 - bbox->x0) > -0.00001 && fabs(bbox->y1 - bbox->y0) > -0.00001 ) {
322 bbox->x0-=0.5*width;
323 bbox->x1+=0.5*width;
324 bbox->y0-=0.5*width;
325 bbox->y1+=0.5*width;
326 }
327 }
328 }
329 }
331 static void
332 sp_flowtext_print(SPItem *item, SPPrintContext *ctx)
333 {
334 SPFlowtext *group = SP_FLOWTEXT(item);
336 NRRect pbox;
337 sp_item_invoke_bbox(item, &pbox, NR::identity(), TRUE);
338 NRRect bbox;
339 sp_item_bbox_desktop(item, &bbox);
340 NRRect dbox;
341 dbox.x0 = 0.0;
342 dbox.y0 = 0.0;
343 dbox.x1 = sp_document_width(SP_OBJECT_DOCUMENT(item));
344 dbox.y1 = sp_document_height(SP_OBJECT_DOCUMENT(item));
345 NR::Matrix const ctm = sp_item_i2d_affine(item);
347 group->layout.print(ctx, &pbox, &dbox, &bbox, ctm);
348 }
351 static gchar *sp_flowtext_description(SPItem *item)
352 {
353 Inkscape::Text::Layout const &layout = SP_FLOWTEXT(item)->layout;
354 int const nChars = layout.iteratorToCharIndex(layout.end());
355 if (SP_FLOWTEXT(item)->has_internal_frame())
356 return g_strdup_printf(ngettext("<b>Flowed text</b> (%d character)", "<b>Flowed text</b> (%d characters)", nChars), nChars);
357 else
358 return g_strdup_printf(ngettext("<b>Linked flowed text</b> (%d character)", "<b>Linked flowed text</b> (%d characters)", nChars), nChars);
359 }
361 static NRArenaItem *
362 sp_flowtext_show(SPItem *item, NRArena *arena, unsigned/* key*/, unsigned /*flags*/)
363 {
364 SPFlowtext *group = (SPFlowtext *) item;
365 NRArenaGroup *flowed = NRArenaGroup::create(arena);
366 nr_arena_group_set_transparent(flowed, FALSE);
368 // pass the bbox of the flowtext object as paintbox (used for paintserver fills)
369 NRRect paintbox;
370 sp_item_invoke_bbox(item, &paintbox, NR::identity(), TRUE);
371 group->layout.show(flowed, &paintbox);
373 return flowed;
374 }
376 static void
377 sp_flowtext_hide(SPItem *item, unsigned int key)
378 {
379 if (((SPItemClass *) parent_class)->hide)
380 ((SPItemClass *) parent_class)->hide(item, key);
381 }
384 /*
385 *
386 */
388 void SPFlowtext::_buildLayoutInput(SPObject *root, Shape const *exclusion_shape, std::list<Shape> *shapes, SPObject **pending_line_break_object)
389 {
390 Inkscape::Text::Layout::OptionalTextTagAttrs pi;
391 bool with_indent = false;
393 if (SP_IS_FLOWPARA(root)) {
394 // emulate par-indent with the first char's kern
395 SPObject *t = root;
396 for ( ; t != NULL && !SP_IS_FLOWTEXT(t); t = SP_OBJECT_PARENT(t));
397 if (SP_IS_FLOWTEXT(t)) {
398 double indent = SP_FLOWTEXT(t)->par_indent;
399 if (indent != 0) {
400 with_indent = true;
401 SVGLength sl;
402 sl.value = sl.computed = indent;
403 sl._set = true;
404 pi.dx.push_back(sl);
405 }
406 }
407 }
409 if (*pending_line_break_object) {
410 if (SP_IS_FLOWREGIONBREAK(*pending_line_break_object)) {
411 layout.appendControlCode(Inkscape::Text::Layout::SHAPE_BREAK, *pending_line_break_object);
412 } else {
413 layout.appendControlCode(Inkscape::Text::Layout::PARAGRAPH_BREAK, *pending_line_break_object);
414 }
415 *pending_line_break_object = NULL;
416 }
418 for (SPObject *child = sp_object_first_child(root) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
419 if (SP_IS_STRING(child)) {
420 if (*pending_line_break_object) {
421 if (SP_IS_FLOWREGIONBREAK(*pending_line_break_object))
422 layout.appendControlCode(Inkscape::Text::Layout::SHAPE_BREAK, *pending_line_break_object);
423 else {
424 layout.appendControlCode(Inkscape::Text::Layout::PARAGRAPH_BREAK, *pending_line_break_object);
425 }
426 *pending_line_break_object = NULL;
427 }
428 if (with_indent)
429 layout.appendText(SP_STRING(child)->string, root->style, child, &pi);
430 else
431 layout.appendText(SP_STRING(child)->string, root->style, child);
432 } else if (SP_IS_FLOWREGION(child)) {
433 std::vector<Shape*> const &computed = SP_FLOWREGION(child)->computed;
434 for (std::vector<Shape*>::const_iterator it = computed.begin() ; it != computed.end() ; it++) {
435 shapes->push_back(Shape());
436 if (exclusion_shape->hasEdges())
437 shapes->back().Booleen(*it, const_cast<Shape*>(exclusion_shape), bool_op_diff);
438 else
439 shapes->back().Copy(*it);
440 layout.appendWrapShape(&shapes->back());
441 }
442 }
443 else if (!SP_IS_FLOWREGIONEXCLUDE(child))
444 _buildLayoutInput(child, exclusion_shape, shapes, pending_line_break_object);
445 }
447 if (SP_IS_FLOWDIV(root) || SP_IS_FLOWPARA(root) || SP_IS_FLOWREGIONBREAK(root) || SP_IS_FLOWLINE(root)) {
448 if (!root->hasChildren())
449 layout.appendText("", root->style, root);
450 *pending_line_break_object = root;
451 }
452 }
454 Shape* SPFlowtext::_buildExclusionShape() const
455 {
456 Shape *shape = new Shape;
457 Shape *shape_temp = new Shape;
459 for (SPObject *child = children ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
460 // RH: is it right that this shouldn't be recursive?
461 if ( SP_IS_FLOWREGIONEXCLUDE(child) ) {
462 SPFlowregionExclude *c_child = SP_FLOWREGIONEXCLUDE(child);
463 if (c_child->computed == NULL || !c_child->computed->hasEdges())
464 continue;
465 if (shape->hasEdges()) {
466 shape_temp->Booleen(shape, c_child->computed, bool_op_union);
467 std::swap(shape, shape_temp);
468 } else
469 shape->Copy(c_child->computed);
470 }
471 }
472 delete shape_temp;
473 return shape;
474 }
476 void SPFlowtext::rebuildLayout()
477 {
478 std::list<Shape> shapes;
480 layout.clear();
481 Shape *exclusion_shape = _buildExclusionShape();
482 SPObject *pending_line_break_object = NULL;
483 _buildLayoutInput(this, exclusion_shape, &shapes, &pending_line_break_object);
484 delete exclusion_shape;
485 layout.calculateFlow();
486 //g_print(layout.dumpAsText().c_str());
487 }
489 void SPFlowtext::_clearFlow(NRArenaGroup *in_arena)
490 {
491 nr_arena_item_request_render(NR_ARENA_ITEM(in_arena));
492 for (NRArenaItem *child = in_arena->children; child != NULL; ) {
493 NRArenaItem *nchild = child->next;
495 nr_arena_glyphs_group_clear(NR_ARENA_GLYPHS_GROUP(child));
496 nr_arena_item_remove_child(NR_ARENA_ITEM(in_arena), child);
498 child = nchild;
499 }
500 }
502 void SPFlowtext::convert_to_text()
503 {
504 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
505 Inkscape::Selection *selection = sp_desktop_selection(desktop);
506 SPItem *item = selection->singleItem();
507 if (!SP_IS_FLOWTEXT(item)) return;
509 SPFlowtext *group = SP_FLOWTEXT(item);
511 if (!group->layout.outputExists()) return;
513 Inkscape::XML::Node *repr = sp_repr_new("svg:text");
514 repr->setAttribute("xml:space", "preserve");
515 repr->setAttribute("style", SP_OBJECT_REPR(group)->attribute("style"));
516 NR::Point anchor_point = group->layout.characterAnchorPoint(group->layout.begin());
517 sp_repr_set_svg_double(repr, "x", anchor_point[NR::X]);
518 sp_repr_set_svg_double(repr, "y", anchor_point[NR::Y]);
520 for (Inkscape::Text::Layout::iterator it = group->layout.begin() ; it != group->layout.end() ; ) {
522 Inkscape::XML::Node *line_tspan = sp_repr_new("svg:tspan");
523 line_tspan->setAttribute("sodipodi:role", "line");
525 Inkscape::Text::Layout::iterator it_line_end = it;
526 it_line_end.nextStartOfLine();
527 while (it != it_line_end) {
529 Inkscape::XML::Node *span_tspan = sp_repr_new("svg:tspan");
530 NR::Point anchor_point = group->layout.characterAnchorPoint(it);
531 // use kerning to simulate justification and whatnot
532 Inkscape::Text::Layout::iterator it_span_end = it;
533 it_span_end.nextStartOfSpan();
534 Inkscape::Text::Layout::OptionalTextTagAttrs attrs;
535 group->layout.simulateLayoutUsingKerning(it, it_span_end, &attrs);
536 // set x,y attributes only when we need to
537 bool set_x = false;
538 bool set_y = false;
539 if (!item->transform.test_identity()) {
540 set_x = set_y = true;
541 } else {
542 Inkscape::Text::Layout::iterator it_chunk_start = it;
543 it_chunk_start.thisStartOfChunk();
544 if (it == it_chunk_start) {
545 set_x = true;
546 // don't set y so linespacing adjustments and things will still work
547 }
548 Inkscape::Text::Layout::iterator it_shape_start = it;
549 it_shape_start.thisStartOfShape();
550 if (it == it_shape_start)
551 set_y = true;
552 }
553 if (set_x && !attrs.dx.empty())
554 attrs.dx[0] = 0.0;
555 TextTagAttributes(attrs).writeTo(span_tspan);
556 if (set_x)
557 sp_repr_set_svg_double(span_tspan, "x", anchor_point[NR::X]); // FIXME: this will pick up the wrong end of counter-directional runs
558 if (set_y)
559 sp_repr_set_svg_double(span_tspan, "y", anchor_point[NR::Y]);
561 SPObject *source_obj;
562 Glib::ustring::iterator span_text_start_iter;
563 group->layout.getSourceOfCharacter(it, (void**)&source_obj, &span_text_start_iter);
564 gchar *style_text = sp_style_write_difference((SP_IS_STRING(source_obj) ? source_obj->parent : source_obj)->style, group->style);
565 if (style_text && *style_text) {
566 span_tspan->setAttribute("style", style_text);
567 g_free(style_text);
568 }
570 if (SP_IS_STRING(source_obj)) {
571 Glib::ustring *string = &SP_STRING(source_obj)->string;
572 SPObject *span_end_obj;
573 Glib::ustring::iterator span_text_end_iter;
574 group->layout.getSourceOfCharacter(it_span_end, (void**)&span_end_obj, &span_text_end_iter);
575 if (span_end_obj != source_obj) {
576 if (it_span_end == group->layout.end()) {
577 span_text_end_iter = span_text_start_iter;
578 for (int i = group->layout.iteratorToCharIndex(it_span_end) - group->layout.iteratorToCharIndex(it) ; i ; --i)
579 ++span_text_end_iter;
580 } else
581 span_text_end_iter = string->end(); // spans will never straddle a source boundary
582 }
584 if (span_text_start_iter != span_text_end_iter) {
585 Glib::ustring new_string;
586 while (span_text_start_iter != span_text_end_iter)
587 new_string += *span_text_start_iter++; // grr. no substr() with iterators
588 Inkscape::XML::Node *new_text = sp_repr_new_text(new_string.c_str());
589 span_tspan->appendChild(new_text);
590 Inkscape::GC::release(new_text);
591 }
592 }
593 it = it_span_end;
595 line_tspan->appendChild(span_tspan);
596 Inkscape::GC::release(span_tspan);
597 }
598 repr->appendChild(line_tspan);
599 Inkscape::GC::release(line_tspan);
600 }
602 Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
603 parent->appendChild(repr);
604 SPItem *new_item = (SPItem *) sp_desktop_document(desktop)->getObjectByRepr(repr);
605 sp_item_write_transform(new_item, repr, item->transform);
606 SP_OBJECT(new_item)->updateRepr();
608 Inkscape::GC::release(repr);
609 selection->set(new_item);
610 item->deleteObject();
612 sp_document_done(sp_desktop_document(desktop));
613 }
615 SPItem *SPFlowtext::get_frame(SPItem *after)
616 {
617 SPObject *ft = SP_OBJECT (this);
618 SPObject *region = NULL;
620 for (SPObject *o = sp_object_first_child(SP_OBJECT(ft)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
621 if (SP_IS_FLOWREGION(o)) {
622 region = o;
623 break;
624 }
625 }
627 if (!region) return NULL;
629 bool past = false;
630 SPItem *frame = NULL;
632 for (SPObject *o = sp_object_first_child(SP_OBJECT(region)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
633 if (SP_IS_ITEM(o)) {
634 if (after == NULL || past) {
635 frame = SP_ITEM(o);
636 } else {
637 if (SP_ITEM(o) == after) {
638 past = true;
639 }
640 }
641 }
642 }
644 if (!frame) return NULL;
646 if (SP_IS_USE (frame)) {
647 return sp_use_get_original(SP_USE(frame));
648 } else {
649 return frame;
650 }
651 }
653 bool SPFlowtext::has_internal_frame()
654 {
655 SPItem *frame = get_frame(NULL);
657 return (frame && SP_OBJECT(this)->isAncestorOf(SP_OBJECT(frame)) && SP_IS_RECT(frame));
658 }
661 SPItem *create_flowtext_with_internal_frame (SPDesktop *desktop, NR::Point p0, NR::Point p1)
662 {
663 SPDocument *doc = sp_desktop_document (desktop);
665 Inkscape::XML::Node *root_repr = sp_repr_new("svg:flowRoot");
666 root_repr->setAttribute("xml:space", "preserve"); // we preserve spaces in the text objects we create
667 SPItem *ft_item = SP_ITEM(desktop->currentLayer()->appendChildRepr(root_repr));
668 SPObject *root_object = doc->getObjectByRepr(root_repr);
669 g_assert(SP_IS_FLOWTEXT(root_object));
671 Inkscape::XML::Node *region_repr = sp_repr_new("svg:flowRegion");
672 root_repr->appendChild(region_repr);
673 SPObject *region_object = doc->getObjectByRepr(region_repr);
674 g_assert(SP_IS_FLOWREGION(region_object));
676 Inkscape::XML::Node *rect_repr = sp_repr_new("svg:rect"); // FIXME: use path!!! after rects are converted to use path
677 region_repr->appendChild(rect_repr);
679 SPObject *rect = doc->getObjectByRepr(rect_repr);
681 p0 = sp_desktop_dt2root_xy_point(desktop, p0);
682 p1 = sp_desktop_dt2root_xy_point(desktop, p1);
683 using NR::X;
684 using NR::Y;
685 NR::Coord const x0 = MIN(p0[X], p1[X]);
686 NR::Coord const y0 = MIN(p0[Y], p1[Y]);
687 NR::Coord const x1 = MAX(p0[X], p1[X]);
688 NR::Coord const y1 = MAX(p0[Y], p1[Y]);
689 NR::Coord const w = x1 - x0;
690 NR::Coord const h = y1 - y0;
692 sp_rect_position_set(SP_RECT(rect), x0, y0, w, h);
693 SP_OBJECT(rect)->updateRepr();
695 Inkscape::XML::Node *para_repr = sp_repr_new("svg:flowPara");
696 root_repr->appendChild(para_repr);
697 SPObject *para_object = doc->getObjectByRepr(para_repr);
698 g_assert(SP_IS_FLOWPARA(para_object));
700 Inkscape::XML::Node *text = sp_repr_new_text("");
701 para_repr->appendChild(text);
703 Inkscape::GC::release(root_repr);
704 Inkscape::GC::release(region_repr);
705 Inkscape::GC::release(para_repr);
706 Inkscape::GC::release(rect_repr);
708 return ft_item;
709 }
712 /*
713 Local Variables:
714 mode:c++
715 c-file-style:"stroustrup"
716 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
717 indent-tabs-mode:nil
718 fill-column:99
719 End:
720 */
721 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :