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 // FIXME: the below stanza is copied over from sp_text_modified, consider factoring it out
194 if (flags & ( SP_OBJECT_STYLE_MODIFIED_FLAG )) {
195 SPFlowtext *text = SP_FLOWTEXT(object);
196 NRRect paintbox;
197 sp_item_invoke_bbox(text, &paintbox, NR::identity(), TRUE);
198 for (SPItemView* v = text->display; v != NULL; v = v->next) {
199 text->_clearFlow(NR_ARENA_GROUP(v->arenaitem));
200 nr_arena_group_set_style(NR_ARENA_GROUP(v->arenaitem), SP_OBJECT_STYLE(object));
201 text->layout.show(NR_ARENA_GROUP(v->arenaitem), &paintbox);
202 }
203 }
205 for (SPObject *o = sp_object_first_child(SP_OBJECT(ft)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
206 if (SP_IS_FLOWREGION(o)) {
207 region = o;
208 break;
209 }
210 }
212 if (!region) return;
214 if (flags || (region->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
215 region->emitModified(flags); // pass down to the region only
216 }
217 }
219 static void
220 sp_flowtext_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
221 {
222 object->_requireSVGVersion(Inkscape::Version(1, 2));
224 if (((SPObjectClass *) (parent_class))->build) {
225 (* ((SPObjectClass *) (parent_class))->build)(object, document, repr);
226 }
228 sp_object_read_attr(object, "inkscape:layoutOptions"); // must happen after css has been read
229 }
231 static void
232 sp_flowtext_set(SPObject *object, unsigned key, gchar const *value)
233 {
234 SPFlowtext *group = (SPFlowtext *) object;
236 switch (key) {
237 case SP_ATTR_LAYOUT_OPTIONS: {
238 // deprecated attribute, read for backward compatibility only
239 SPCSSAttr *opts = sp_repr_css_attr((SP_OBJECT(group))->repr, "inkscape:layoutOptions");
240 {
241 gchar const *val = sp_repr_css_property(opts, "justification", NULL);
242 if (val != NULL && !object->style->text_align.set) {
243 if ( strcmp(val, "0") == 0 || strcmp(val, "false") == 0 ) {
244 object->style->text_align.value = SP_CSS_TEXT_ALIGN_LEFT;
245 } else {
246 object->style->text_align.value = SP_CSS_TEXT_ALIGN_JUSTIFY;
247 }
248 object->style->text_align.set = TRUE;
249 object->style->text_align.inherit = FALSE;
250 object->style->text_align.computed = object->style->text_align.value;
251 }
252 }
253 /* no equivalent css attribute for these two (yet)
254 {
255 gchar const *val = sp_repr_css_property(opts, "layoutAlgo", NULL);
256 if ( val == NULL ) {
257 group->algo = 0;
258 } else {
259 if ( strcmp(val, "better") == 0 ) { // knuth-plass, never worked for general cases
260 group->algo = 2;
261 } else if ( strcmp(val, "simple") == 0 ) { // greedy, but allowed lines to be compressed by up to 20% if it would make them fit
262 group->algo = 1;
263 } else if ( strcmp(val, "default") == 0 ) { // the same one we use, a standard greedy
264 group->algo = 0;
265 }
266 }
267 }
268 */
269 { // This would probably translate to padding-left, if SPStyle had it.
270 gchar const *val = sp_repr_css_property(opts, "par-indent", NULL);
271 if ( val == NULL ) {
272 group->par_indent = 0.0;
273 } else {
274 sp_repr_get_double((Inkscape::XML::Node*)opts, "par-indent", &group->par_indent);
275 }
276 }
277 sp_repr_css_attr_unref(opts);
278 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
279 break;
280 }
281 default:
282 if (((SPObjectClass *) (parent_class))->set) {
283 (* ((SPObjectClass *) (parent_class))->set)(object, key, value);
284 }
285 break;
286 }
287 }
289 static Inkscape::XML::Node *
290 sp_flowtext_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
291 {
292 if ( flags & SP_OBJECT_WRITE_BUILD ) {
293 if ( repr == NULL ) repr = sp_repr_new("svg:flowRoot");
294 GSList *l = NULL;
295 for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
296 Inkscape::XML::Node *c_repr = NULL;
297 if ( SP_IS_FLOWDIV(child) || SP_IS_FLOWPARA(child) || SP_IS_FLOWREGION(child) || SP_IS_FLOWREGIONEXCLUDE(child)) {
298 c_repr = child->updateRepr(NULL, flags);
299 }
300 if ( c_repr ) l = g_slist_prepend(l, c_repr);
301 }
302 while ( l ) {
303 repr->addChild((Inkscape::XML::Node *) l->data, NULL);
304 Inkscape::GC::release((Inkscape::XML::Node *) l->data);
305 l = g_slist_remove(l, l->data);
306 }
307 } else {
308 for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
309 if ( SP_IS_FLOWDIV(child) || SP_IS_FLOWPARA(child) || SP_IS_FLOWREGION(child) || SP_IS_FLOWREGIONEXCLUDE(child) ) {
310 child->updateRepr(flags);
311 }
312 }
313 }
315 if (((SPObjectClass *) (parent_class))->write)
316 ((SPObjectClass *) (parent_class))->write(object, repr, flags);
318 return repr;
319 }
321 static void
322 sp_flowtext_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const /*flags*/)
323 {
324 SPFlowtext *group = SP_FLOWTEXT(item);
325 group->layout.getBoundingBox(bbox, transform);
327 // Add stroke width
328 SPStyle* style=SP_OBJECT_STYLE (item);
329 if (style->stroke.type != SP_PAINT_TYPE_NONE) {
330 double const scale = expansion(transform);
331 if ( fabs(style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
332 double const width = MAX(0.125, style->stroke_width.computed * scale);
333 if ( fabs(bbox->x1 - bbox->x0) > -0.00001 && fabs(bbox->y1 - bbox->y0) > -0.00001 ) {
334 bbox->x0-=0.5*width;
335 bbox->x1+=0.5*width;
336 bbox->y0-=0.5*width;
337 bbox->y1+=0.5*width;
338 }
339 }
340 }
341 }
343 static void
344 sp_flowtext_print(SPItem *item, SPPrintContext *ctx)
345 {
346 SPFlowtext *group = SP_FLOWTEXT(item);
348 NRRect pbox;
349 sp_item_invoke_bbox(item, &pbox, NR::identity(), TRUE);
350 NRRect bbox;
351 sp_item_bbox_desktop(item, &bbox);
352 NRRect dbox;
353 dbox.x0 = 0.0;
354 dbox.y0 = 0.0;
355 dbox.x1 = sp_document_width(SP_OBJECT_DOCUMENT(item));
356 dbox.y1 = sp_document_height(SP_OBJECT_DOCUMENT(item));
357 NR::Matrix const ctm = sp_item_i2d_affine(item);
359 group->layout.print(ctx, &pbox, &dbox, &bbox, ctm);
360 }
363 static gchar *sp_flowtext_description(SPItem *item)
364 {
365 Inkscape::Text::Layout const &layout = SP_FLOWTEXT(item)->layout;
366 int const nChars = layout.iteratorToCharIndex(layout.end());
367 if (SP_FLOWTEXT(item)->has_internal_frame())
368 return g_strdup_printf(ngettext("<b>Flowed text</b> (%d character)", "<b>Flowed text</b> (%d characters)", nChars), nChars);
369 else
370 return g_strdup_printf(ngettext("<b>Linked flowed text</b> (%d character)", "<b>Linked flowed text</b> (%d characters)", nChars), nChars);
371 }
373 static NRArenaItem *
374 sp_flowtext_show(SPItem *item, NRArena *arena, unsigned/* key*/, unsigned /*flags*/)
375 {
376 SPFlowtext *group = (SPFlowtext *) item;
377 NRArenaGroup *flowed = NRArenaGroup::create(arena);
378 nr_arena_group_set_transparent(flowed, FALSE);
380 // pass the bbox of the flowtext object as paintbox (used for paintserver fills)
381 NRRect paintbox;
382 sp_item_invoke_bbox(item, &paintbox, NR::identity(), TRUE);
383 group->layout.show(flowed, &paintbox);
385 return flowed;
386 }
388 static void
389 sp_flowtext_hide(SPItem *item, unsigned int key)
390 {
391 if (((SPItemClass *) parent_class)->hide)
392 ((SPItemClass *) parent_class)->hide(item, key);
393 }
396 /*
397 *
398 */
400 void SPFlowtext::_buildLayoutInput(SPObject *root, Shape const *exclusion_shape, std::list<Shape> *shapes, SPObject **pending_line_break_object)
401 {
402 Inkscape::Text::Layout::OptionalTextTagAttrs pi;
403 bool with_indent = false;
405 if (SP_IS_FLOWPARA(root)) {
406 // emulate par-indent with the first char's kern
407 SPObject *t = root;
408 for ( ; t != NULL && !SP_IS_FLOWTEXT(t); t = SP_OBJECT_PARENT(t));
409 if (SP_IS_FLOWTEXT(t)) {
410 double indent = SP_FLOWTEXT(t)->par_indent;
411 if (indent != 0) {
412 with_indent = true;
413 SVGLength sl;
414 sl.value = sl.computed = indent;
415 sl._set = true;
416 pi.dx.push_back(sl);
417 }
418 }
419 }
421 if (*pending_line_break_object) {
422 if (SP_IS_FLOWREGIONBREAK(*pending_line_break_object)) {
423 layout.appendControlCode(Inkscape::Text::Layout::SHAPE_BREAK, *pending_line_break_object);
424 } else {
425 layout.appendControlCode(Inkscape::Text::Layout::PARAGRAPH_BREAK, *pending_line_break_object);
426 }
427 *pending_line_break_object = NULL;
428 }
430 for (SPObject *child = sp_object_first_child(root) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
431 if (SP_IS_STRING(child)) {
432 if (*pending_line_break_object) {
433 if (SP_IS_FLOWREGIONBREAK(*pending_line_break_object))
434 layout.appendControlCode(Inkscape::Text::Layout::SHAPE_BREAK, *pending_line_break_object);
435 else {
436 layout.appendControlCode(Inkscape::Text::Layout::PARAGRAPH_BREAK, *pending_line_break_object);
437 }
438 *pending_line_break_object = NULL;
439 }
440 if (with_indent)
441 layout.appendText(SP_STRING(child)->string, root->style, child, &pi);
442 else
443 layout.appendText(SP_STRING(child)->string, root->style, child);
444 } else if (SP_IS_FLOWREGION(child)) {
445 std::vector<Shape*> const &computed = SP_FLOWREGION(child)->computed;
446 for (std::vector<Shape*>::const_iterator it = computed.begin() ; it != computed.end() ; it++) {
447 shapes->push_back(Shape());
448 if (exclusion_shape->hasEdges())
449 shapes->back().Booleen(*it, const_cast<Shape*>(exclusion_shape), bool_op_diff);
450 else
451 shapes->back().Copy(*it);
452 layout.appendWrapShape(&shapes->back());
453 }
454 }
455 else if (!SP_IS_FLOWREGIONEXCLUDE(child))
456 _buildLayoutInput(child, exclusion_shape, shapes, pending_line_break_object);
457 }
459 if (SP_IS_FLOWDIV(root) || SP_IS_FLOWPARA(root) || SP_IS_FLOWREGIONBREAK(root) || SP_IS_FLOWLINE(root)) {
460 if (!root->hasChildren())
461 layout.appendText("", root->style, root);
462 *pending_line_break_object = root;
463 }
464 }
466 Shape* SPFlowtext::_buildExclusionShape() const
467 {
468 Shape *shape = new Shape;
469 Shape *shape_temp = new Shape;
471 for (SPObject *child = children ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
472 // RH: is it right that this shouldn't be recursive?
473 if ( SP_IS_FLOWREGIONEXCLUDE(child) ) {
474 SPFlowregionExclude *c_child = SP_FLOWREGIONEXCLUDE(child);
475 if (c_child->computed == NULL || !c_child->computed->hasEdges())
476 continue;
477 if (shape->hasEdges()) {
478 shape_temp->Booleen(shape, c_child->computed, bool_op_union);
479 std::swap(shape, shape_temp);
480 } else
481 shape->Copy(c_child->computed);
482 }
483 }
484 delete shape_temp;
485 return shape;
486 }
488 void SPFlowtext::rebuildLayout()
489 {
490 std::list<Shape> shapes;
492 layout.clear();
493 Shape *exclusion_shape = _buildExclusionShape();
494 SPObject *pending_line_break_object = NULL;
495 _buildLayoutInput(this, exclusion_shape, &shapes, &pending_line_break_object);
496 delete exclusion_shape;
497 layout.calculateFlow();
498 //g_print(layout.dumpAsText().c_str());
499 }
501 void SPFlowtext::_clearFlow(NRArenaGroup *in_arena)
502 {
503 nr_arena_item_request_render(NR_ARENA_ITEM(in_arena));
504 for (NRArenaItem *child = in_arena->children; child != NULL; ) {
505 NRArenaItem *nchild = child->next;
507 nr_arena_glyphs_group_clear(NR_ARENA_GLYPHS_GROUP(child));
508 nr_arena_item_remove_child(NR_ARENA_ITEM(in_arena), child);
510 child = nchild;
511 }
512 }
514 void SPFlowtext::convert_to_text()
515 {
516 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
517 Inkscape::Selection *selection = sp_desktop_selection(desktop);
518 SPItem *item = selection->singleItem();
519 if (!SP_IS_FLOWTEXT(item)) return;
521 SPFlowtext *group = SP_FLOWTEXT(item);
523 if (!group->layout.outputExists()) return;
525 Inkscape::XML::Node *repr = sp_repr_new("svg:text");
526 repr->setAttribute("xml:space", "preserve");
527 repr->setAttribute("style", SP_OBJECT_REPR(group)->attribute("style"));
528 NR::Point anchor_point = group->layout.characterAnchorPoint(group->layout.begin());
529 sp_repr_set_svg_double(repr, "x", anchor_point[NR::X]);
530 sp_repr_set_svg_double(repr, "y", anchor_point[NR::Y]);
532 for (Inkscape::Text::Layout::iterator it = group->layout.begin() ; it != group->layout.end() ; ) {
534 Inkscape::XML::Node *line_tspan = sp_repr_new("svg:tspan");
535 line_tspan->setAttribute("sodipodi:role", "line");
537 Inkscape::Text::Layout::iterator it_line_end = it;
538 it_line_end.nextStartOfLine();
539 while (it != it_line_end) {
541 Inkscape::XML::Node *span_tspan = sp_repr_new("svg:tspan");
542 NR::Point anchor_point = group->layout.characterAnchorPoint(it);
543 // use kerning to simulate justification and whatnot
544 Inkscape::Text::Layout::iterator it_span_end = it;
545 it_span_end.nextStartOfSpan();
546 Inkscape::Text::Layout::OptionalTextTagAttrs attrs;
547 group->layout.simulateLayoutUsingKerning(it, it_span_end, &attrs);
548 // set x,y attributes only when we need to
549 bool set_x = false;
550 bool set_y = false;
551 if (!item->transform.test_identity()) {
552 set_x = set_y = true;
553 } else {
554 Inkscape::Text::Layout::iterator it_chunk_start = it;
555 it_chunk_start.thisStartOfChunk();
556 if (it == it_chunk_start) {
557 set_x = true;
558 // don't set y so linespacing adjustments and things will still work
559 }
560 Inkscape::Text::Layout::iterator it_shape_start = it;
561 it_shape_start.thisStartOfShape();
562 if (it == it_shape_start)
563 set_y = true;
564 }
565 if (set_x && !attrs.dx.empty())
566 attrs.dx[0] = 0.0;
567 TextTagAttributes(attrs).writeTo(span_tspan);
568 if (set_x)
569 sp_repr_set_svg_double(span_tspan, "x", anchor_point[NR::X]); // FIXME: this will pick up the wrong end of counter-directional runs
570 if (set_y)
571 sp_repr_set_svg_double(span_tspan, "y", anchor_point[NR::Y]);
573 SPObject *source_obj = 0;
574 void *rawptr = 0;
575 Glib::ustring::iterator span_text_start_iter;
576 group->layout.getSourceOfCharacter(it, &rawptr, &span_text_start_iter);
577 source_obj = SP_OBJECT (rawptr);
578 gchar *style_text = sp_style_write_difference((SP_IS_STRING(source_obj) ? source_obj->parent : source_obj)->style, group->style);
579 if (style_text && *style_text) {
580 span_tspan->setAttribute("style", style_text);
581 g_free(style_text);
582 }
584 if (SP_IS_STRING(source_obj)) {
585 Glib::ustring *string = &SP_STRING(source_obj)->string;
586 SPObject *span_end_obj = 0;
587 void *rawptr = 0;
588 Glib::ustring::iterator span_text_end_iter;
589 group->layout.getSourceOfCharacter(it_span_end, &rawptr, &span_text_end_iter);
590 span_end_obj = SP_OBJECT(rawptr);
591 if (span_end_obj != source_obj) {
592 if (it_span_end == group->layout.end()) {
593 span_text_end_iter = span_text_start_iter;
594 for (int i = group->layout.iteratorToCharIndex(it_span_end) - group->layout.iteratorToCharIndex(it) ; i ; --i)
595 ++span_text_end_iter;
596 } else
597 span_text_end_iter = string->end(); // spans will never straddle a source boundary
598 }
600 if (span_text_start_iter != span_text_end_iter) {
601 Glib::ustring new_string;
602 while (span_text_start_iter != span_text_end_iter)
603 new_string += *span_text_start_iter++; // grr. no substr() with iterators
604 Inkscape::XML::Node *new_text = sp_repr_new_text(new_string.c_str());
605 span_tspan->appendChild(new_text);
606 Inkscape::GC::release(new_text);
607 }
608 }
609 it = it_span_end;
611 line_tspan->appendChild(span_tspan);
612 Inkscape::GC::release(span_tspan);
613 }
614 repr->appendChild(line_tspan);
615 Inkscape::GC::release(line_tspan);
616 }
618 Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
619 parent->appendChild(repr);
620 SPItem *new_item = (SPItem *) sp_desktop_document(desktop)->getObjectByRepr(repr);
621 sp_item_write_transform(new_item, repr, item->transform);
622 SP_OBJECT(new_item)->updateRepr();
624 Inkscape::GC::release(repr);
625 selection->set(new_item);
626 item->deleteObject();
628 sp_document_done(sp_desktop_document(desktop), SP_VERB_NONE,
629 _("Convert flowed text to text"));
630 }
632 SPItem *SPFlowtext::get_frame(SPItem *after)
633 {
634 SPObject *ft = SP_OBJECT (this);
635 SPObject *region = NULL;
637 for (SPObject *o = sp_object_first_child(SP_OBJECT(ft)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
638 if (SP_IS_FLOWREGION(o)) {
639 region = o;
640 break;
641 }
642 }
644 if (!region) return NULL;
646 bool past = false;
647 SPItem *frame = NULL;
649 for (SPObject *o = sp_object_first_child(SP_OBJECT(region)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
650 if (SP_IS_ITEM(o)) {
651 if (after == NULL || past) {
652 frame = SP_ITEM(o);
653 } else {
654 if (SP_ITEM(o) == after) {
655 past = true;
656 }
657 }
658 }
659 }
661 if (!frame) return NULL;
663 if (SP_IS_USE (frame)) {
664 return sp_use_get_original(SP_USE(frame));
665 } else {
666 return frame;
667 }
668 }
670 bool SPFlowtext::has_internal_frame()
671 {
672 SPItem *frame = get_frame(NULL);
674 return (frame && SP_OBJECT(this)->isAncestorOf(SP_OBJECT(frame)) && SP_IS_RECT(frame));
675 }
678 SPItem *create_flowtext_with_internal_frame (SPDesktop *desktop, NR::Point p0, NR::Point p1)
679 {
680 SPDocument *doc = sp_desktop_document (desktop);
682 Inkscape::XML::Node *root_repr = sp_repr_new("svg:flowRoot");
683 root_repr->setAttribute("xml:space", "preserve"); // we preserve spaces in the text objects we create
684 SPItem *ft_item = SP_ITEM(desktop->currentLayer()->appendChildRepr(root_repr));
685 SPObject *root_object = doc->getObjectByRepr(root_repr);
686 g_assert(SP_IS_FLOWTEXT(root_object));
688 Inkscape::XML::Node *region_repr = sp_repr_new("svg:flowRegion");
689 root_repr->appendChild(region_repr);
690 SPObject *region_object = doc->getObjectByRepr(region_repr);
691 g_assert(SP_IS_FLOWREGION(region_object));
693 Inkscape::XML::Node *rect_repr = sp_repr_new("svg:rect"); // FIXME: use path!!! after rects are converted to use path
694 region_repr->appendChild(rect_repr);
696 SPObject *rect = doc->getObjectByRepr(rect_repr);
698 p0 = sp_desktop_dt2root_xy_point(desktop, p0);
699 p1 = sp_desktop_dt2root_xy_point(desktop, p1);
700 using NR::X;
701 using NR::Y;
702 NR::Coord const x0 = MIN(p0[X], p1[X]);
703 NR::Coord const y0 = MIN(p0[Y], p1[Y]);
704 NR::Coord const x1 = MAX(p0[X], p1[X]);
705 NR::Coord const y1 = MAX(p0[Y], p1[Y]);
706 NR::Coord const w = x1 - x0;
707 NR::Coord const h = y1 - y0;
709 sp_rect_position_set(SP_RECT(rect), x0, y0, w, h);
710 SP_OBJECT(rect)->updateRepr();
712 Inkscape::XML::Node *para_repr = sp_repr_new("svg:flowPara");
713 root_repr->appendChild(para_repr);
714 SPObject *para_object = doc->getObjectByRepr(para_repr);
715 g_assert(SP_IS_FLOWPARA(para_object));
717 Inkscape::XML::Node *text = sp_repr_new_text("");
718 para_repr->appendChild(text);
720 Inkscape::GC::release(root_repr);
721 Inkscape::GC::release(region_repr);
722 Inkscape::GC::release(para_repr);
723 Inkscape::GC::release(rect_repr);
725 return ft_item;
726 }
729 /*
730 Local Variables:
731 mode:c++
732 c-file-style:"stroustrup"
733 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
734 indent-tabs-mode:nil
735 fill-column:99
736 End:
737 */
738 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :