#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <cstring>

#include <string>

#include "xml/repr.h"

#include "svg/svg.h"

#include "display/curve.h"

#include <glib.h>

#include <glibmm/i18n.h>

#include "sp-path.h"

#include "sp-text.h"

#include "sp-flowtext.h"

#include "text-editing.h"

#include "style.h"

#include "desktop.h"

#include "document.h"

#include "message-stack.h"

#include "selection.h"

#include "desktop-handles.h"

#include "box3d.h"

#include <2geom/pathvector.h>

#include "selection-chemistry.h"

#include "path-chemistry.h"

using Inkscape::DocumentUndo;

sp_selected_path_combine(SPDesktop *desktop)

{

Inkscape::Selection *selection = sp_desktop_selection(desktop);

SPDocument *doc = sp_desktop_document(desktop);

if (g_slist_length((GSList *) selection->itemList()) < 1) {

sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to combine."));

return;

}

desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Combining paths..."));

// set "busy" cursor

desktop->setWaitingCursor();

GSList *items = g_slist_copy((GSList *) selection->itemList());

items = sp_degroup_list (items); // descend into any groups in selection

GSList *to_paths = NULL;

for (GSList *i = items; i != NULL; i = i->next) {

SPItem *item = (SPItem *) i->data;

if (!SP_IS_PATH(item) && !SP_IS_GROUP(item))

to_paths = g_slist_prepend(to_paths, item);

}

GSList *converted = NULL;

bool did = sp_item_list_to_curves(to_paths, &items, &converted);

g_slist_free(to_paths);

for (GSList *i = converted; i != NULL; i = i->next)

items = g_slist_prepend(items, doc->getObjectByRepr((Inkscape::XML::Node*)(i->data)));

items = sp_degroup_list (items); // converting to path may have added more groups, descend again

items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);

items = g_slist_reverse(items);

// remember the position, id, transform and style of the topmost path, they will be assigned to the combined one

gint position = 0;

char const *id = NULL;

char const *transform = NULL;

gchar *style = NULL;

gchar *path_effect = NULL;

SPCurve* curve = 0;

SPItem *first = NULL;

Inkscape::XML::Node *parent = NULL;

if (did) {

selection->clear();

}

for (GSList *i = items; i != NULL; i = i->next) { // going from top to bottom

SPItem *item = (SPItem *) i->data;

if (!SP_IS_PATH(item)) {

continue;

}

if (!did) {

selection->clear();

did = true;

}

SPCurve *c = sp_path_get_curve_for_edit(SP_PATH(item));

if (first == NULL) { // this is the topmost path

first = item;

parent = first->getRepr()->parent();

position = first->getRepr()->position();

id = first->getRepr()->attribute("id");

transform = first->getRepr()->attribute("transform");

// FIXME: merge styles of combined objects instead of using the first one's style

style = g_strdup(first->getRepr()->attribute("style"));

path_effect = g_strdup(first->getRepr()->attribute("inkscape:path-effect"));

//c->transform(item->transform);

curve = c;

} else {

c->transform(item->getRelativeTransform(first));

curve->append(c, false);

c->unref();

}

// unless this is the topmost object,

if (item != first) {

// reduce position only if the same parent

if (item->getRepr()->parent() == parent) {

position--;

}

// delete the object for real, so that its clones can take appropriate action

item->deleteObject();

}

}

g_slist_free(items);

if (did) {

first->deleteObject(false);

// delete the topmost.

Inkscape::XML::Document *xml_doc = desktop->doc()->getReprDoc();

Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");

// restore id, transform, path effect, and style

repr->setAttribute("id", id);

if (transform) {

repr->setAttribute("transform", transform);

}

repr->setAttribute("style", style);

g_free(style);

repr->setAttribute("inkscape:path-effect", path_effect);

g_free(path_effect);

// set path data corresponding to new curve

gchar *dstring = sp_svg_write_path(curve->get_pathvector());

curve->unref();

if (path_effect) {

repr->setAttribute("inkscape:original-d", dstring);

} else {

repr->setAttribute("d", dstring);

}

g_free(dstring);

// add the new group to the parent of the topmost

parent->appendChild(repr);

// move to the position of the topmost, reduced by the number of deleted items

repr->setPosition(position > 0 ? position : 0);

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_SELECTION_COMBINE,

_("Combine"));

selection->set(repr);

Inkscape::GC::release(repr);

} else {

sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to combine in the selection."));

}

desktop->clearWaitingCursor();

}

sp_selected_path_break_apart(SPDesktop *desktop)

{

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (selection->isEmpty()) {

sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to break apart."));

return;

}

desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Breaking apart paths..."));

// set "busy" cursor

desktop->setWaitingCursor();

bool did = false;

for (GSList *items = g_slist_copy((GSList *) selection->itemList());

items != NULL;

items = items->next) {

SPItem *item = (SPItem *) items->data;

if (!SP_IS_PATH(item)) {

continue;

}

SPPath *path = SP_PATH(item);

SPCurve *curve = sp_path_get_curve_for_edit(path);

if (curve == NULL) {

continue;

}

did = true;

Inkscape::XML::Node *parent = item->getRepr()->parent();

gint pos = item->getRepr()->position();

char const *id = item->getRepr()->attribute("id");

// XML Tree being used directly here while it shouldn't be...

gchar *style = g_strdup(item->getRepr()->attribute("style"));

// XML Tree being used directly here while it shouldn't be...

gchar *path_effect = g_strdup(item->getRepr()->attribute("inkscape:path-effect"));

Geom::PathVector apv = curve->get_pathvector() * path->transform;

curve->unref();

// it's going to resurrect as one of the pieces, so we delete without advertisement

item->deleteObject(false);

curve = new SPCurve(apv);

g_assert(curve != NULL);

GSList *list = curve->split();

curve->unref();

GSList *reprs = NULL;

for (GSList *l = list; l != NULL; l = l->next) {

curve = (SPCurve *) l->data;

Inkscape::XML::Node *repr = parent->document()->createElement("svg:path");

repr->setAttribute("style", style);

repr->setAttribute("inkscape:path-effect", path_effect);

gchar *str = sp_svg_write_path(curve->get_pathvector());

if (path_effect)

repr->setAttribute("inkscape:original-d", str);

else

repr->setAttribute("d", str);

g_free(str);

// add the new repr to the parent

parent->appendChild(repr);

// move to the saved position

repr->setPosition(pos > 0 ? pos : 0);

// if it's the first one, restore id

if (l == list)

repr->setAttribute("id", id);

reprs = g_slist_prepend (reprs, repr);

Inkscape::GC::release(repr);

}

selection->setReprList(reprs);

g_slist_free(reprs);

g_slist_free(list);

g_free(style);

g_free(path_effect);

}

desktop->clearWaitingCursor();

if (did) {

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_SELECTION_BREAK_APART,

_("Break apart"));

} else {

sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to break apart in the selection."));

}

}

sp_selected_path_to_curves(SPDesktop *desktop, bool interactive)

{

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (selection->isEmpty()) {

if (interactive)

sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to path."));

return;

}

bool did = false;

if (interactive) {

desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Converting objects to paths..."));

// set "busy" cursor

desktop->setWaitingCursor();

}

GSList *selected = g_slist_copy((GSList *) selection->itemList());

GSList *to_select = NULL;

selection->clear();

GSList *items = g_slist_copy(selected);

did = sp_item_list_to_curves(items, &selected, &to_select);

g_slist_free (items);

selection->setReprList(to_select);

selection->addList(selected);

g_slist_free (to_select);

g_slist_free (selected);

if (interactive) {

desktop->clearWaitingCursor();

if (did) {

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_OBJECT_TO_CURVE,

_("Object to path"));

} else {

sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No objects</b> to convert to path in the selection."));

return;

}

}

}

void sp_selected_to_lpeitems(SPDesktop *desktop)

{

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (selection->isEmpty()) {

return;

}

GSList *selected = g_slist_copy((GSList *) selection->itemList());

GSList *to_select = NULL;

selection->clear();

GSList *items = g_slist_copy(selected);

sp_item_list_to_curves(items, &selected, &to_select, true);

g_slist_free(items);

items = 0;

selection->setReprList(to_select);

selection->addList(selected);

g_slist_free(to_select);

to_select = 0;

g_slist_free(selected);

selected = 0;

}

sp_item_list_to_curves(const GSList *items, GSList **selected, GSList **to_select, bool skip_all_lpeitems)

{

bool did = false;

for (;

items != NULL;

items = items->next) {

SPItem *item = SP_ITEM(items->data);

SPDocument *document = item->document;

if ( skip_all_lpeitems &&

SP_IS_LPE_ITEM(item) &&

!SP_IS_GROUP(item) ) // also convert objects in an SPGroup when skip_all_lpeitems is set.

{

continue;

}

if (SP_IS_PATH(item) && !SP_SHAPE(item)->curve_before_lpe) {

continue; // already a path, and no path effect

}

if (SP_IS_BOX3D(item)) {

// convert 3D box to ordinary group of paths; replace the old element in 'selected' with the new group

Inkscape::XML::Node *repr = box3d_convert_to_group(SP_BOX3D(item))->getRepr();

if (repr) {

*to_select = g_slist_prepend (*to_select, repr);

did = true;

*selected = g_slist_remove (*selected, item);

}

continue;

}

if (SP_IS_GROUP(item)) {

sp_lpe_item_remove_all_path_effects(SP_LPE_ITEM(item), true);

GSList *item_list = sp_item_group_item_list(SP_GROUP(item));

GSList *item_to_select = NULL;

GSList *item_selected = NULL;

if (sp_item_list_to_curves(item_list, &item_selected, &item_to_select))

did = true;

g_slist_free(item_list);

g_slist_free(item_to_select);

g_slist_free(item_selected);

continue;

}

Inkscape::XML::Node *repr = sp_selected_item_to_curved_repr(item, 0);

if (!repr)

continue;

did = true;

*selected = g_slist_remove (*selected, item);

// remember the position of the item

gint pos = item->getRepr()->position();

// remember parent

Inkscape::XML::Node *parent = item->getRepr()->parent();

// remember id

char const *id = item->getRepr()->attribute("id");

// remember title

gchar *title = item->title();

// remember description

gchar *desc = item->desc();

// It's going to resurrect, so we delete without notifying listeners.

item->deleteObject(false);

// restore id

repr->setAttribute("id", id);

// add the new repr to the parent

parent->appendChild(repr);

SPObject* newObj = document->getObjectByRepr(repr);

if (title && newObj) {

newObj->setTitle(title);

g_free(title);

}

if (desc && newObj) {

newObj->setDesc(desc);

g_free(desc);

}

// move to the saved position

repr->setPosition(pos > 0 ? pos : 0);

/* Buglet: We don't re-add the (new version of the) object to the selection of any other

*to_select = g_slist_prepend (*to_select, repr);

Inkscape::GC::release(repr);

}

return did;

}

Inkscape::XML::Node *

sp_selected_item_to_curved_repr(SPItem *item, guint32 /*text_grouping_policy*/)

{

if (!item)

return NULL;

Inkscape::XML::Document *xml_doc = item->getRepr()->document();

if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) {

// Special treatment for text: convert each glyph to separate path, then group the paths

Inkscape::XML::Node *g_repr = xml_doc->createElement("svg:g");

g_repr->setAttribute("transform", item->getRepr()->attribute("transform"));

/* Mask */

gchar *mask_str = (gchar *) item->getRepr()->attribute("mask");

if ( mask_str )

g_repr->setAttribute("mask", mask_str);

/* Clip path */

gchar *clip_path_str = (gchar *) item->getRepr()->attribute("clip-path");

if ( clip_path_str )

g_repr->setAttribute("clip-path", clip_path_str);

/* Rotation center */

g_repr->setAttribute("inkscape:transform-center-x", item->getRepr()->attribute("inkscape:transform-center-x"), false);

g_repr->setAttribute("inkscape:transform-center-y", item->getRepr()->attribute("inkscape:transform-center-y"), false);

/* Whole text's style */

gchar *style_str = sp_style_write_difference(item->style,

item->parent->style);

g_repr->setAttribute("style", style_str);

g_free(style_str);

Inkscape::Text::Layout::iterator iter = te_get_layout(item)->begin();

do {

Inkscape::Text::Layout::iterator iter_next = iter;

iter_next.nextGlyph(); // iter_next is one glyph ahead from iter

if (iter == iter_next)

break;

/* This glyph's style */

SPObject const *pos_obj = 0;

void *rawptr = 0;

te_get_layout(item)->getSourceOfCharacter(iter, &rawptr);

if (!rawptr || !SP_IS_OBJECT(rawptr)) // no source for glyph, abort

break;

pos_obj = SP_OBJECT(rawptr);

while (SP_IS_STRING(pos_obj) && pos_obj->parent) {

pos_obj = pos_obj->parent; // SPStrings don't have style

}

gchar *style_str = sp_style_write_difference(pos_obj->style,

pos_obj->parent->style);

// get path from iter to iter_next:

SPCurve *curve = te_get_layout(item)->convertToCurves(iter, iter_next);

iter = iter_next; // shift to next glyph

if (!curve) { // error converting this glyph

g_free (style_str);

continue;

}

if (curve->is_empty()) { // whitespace glyph?

curve->unref();

g_free (style_str);

continue;

}

Inkscape::XML::Node *p_repr = xml_doc->createElement("svg:path");

gchar *def_str = sp_svg_write_path(curve->get_pathvector());

p_repr->setAttribute("d", def_str);

g_free(def_str);

curve->unref();

p_repr->setAttribute("style", style_str);

g_free(style_str);

g_repr->appendChild(p_repr);

Inkscape::GC::release(p_repr);

if (iter == te_get_layout(item)->end())

break;

} while (true);

return g_repr;

}

SPCurve *curve = NULL;

if (SP_IS_SHAPE(item)) {

curve = SP_SHAPE(item)->getCurve();

}

if (!curve)

return NULL;

// Prevent empty paths from being added to the document

// otherwise we end up with zomby markup in the SVG file

if(curve->is_empty())

{

curve->unref();

return NULL;

}

Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");

/* Transformation */

repr->setAttribute("transform", item->getRepr()->attribute("transform"));

/* Style */

gchar *style_str = sp_style_write_difference(item->style,

item->parent->style);

repr->setAttribute("style", style_str);

g_free(style_str);

/* Mask */

gchar *mask_str = (gchar *) item->getRepr()->attribute("mask");

if ( mask_str )

repr->setAttribute("mask", mask_str);

/* Clip path */

gchar *clip_path_str = (gchar *) item->getRepr()->attribute("clip-path");

if ( clip_path_str )

repr->setAttribute("clip-path", clip_path_str);

/* Rotation center */

repr->setAttribute("inkscape:transform-center-x", item->getRepr()->attribute("inkscape:transform-center-x"), false);

repr->setAttribute("inkscape:transform-center-y", item->getRepr()->attribute("inkscape:transform-center-y"), false);

/* Definition */

gchar *def_str = sp_svg_write_path(curve->get_pathvector());

repr->setAttribute("d", def_str);

g_free(def_str);

curve->unref();

return repr;

}

sp_selected_path_reverse(SPDesktop *desktop)

{

Inkscape::Selection *selection = sp_desktop_selection(desktop);

GSList *items = (GSList *) selection->itemList();

if (!items) {

sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to reverse."));

return;

}

// set "busy" cursor

desktop->setWaitingCursor();

bool did = false;

desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Reversing paths..."));

for (GSList *i = items; i != NULL; i = i->next) {

if (!SP_IS_PATH(i->data)) {

continue;

}

did = true;

SPPath *path = SP_PATH(i->data);

SPCurve *rcurve = sp_path_get_curve_reference(path)->create_reverse();

gchar *str = sp_svg_write_path(rcurve->get_pathvector());

if ( sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(path)) ) {

path->getRepr()->setAttribute("inkscape:original-d", str);

} else {

path->getRepr()->setAttribute("d", str);

}

g_free(str);

rcurve->unref();

// reverse nodetypes order (Bug #179866)

gchar *nodetypes = g_strdup(path->getRepr()->attribute("sodipodi:nodetypes"));

if ( nodetypes ) {

path->getRepr()->setAttribute("sodipodi:nodetypes", g_strreverse(nodetypes));

g_free(nodetypes);

}

}

desktop->clearWaitingCursor();

if (did) {

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_SELECTION_REVERSE,

_("Reverse path"));

} else {

sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No paths</b> to reverse in the selection."));

}

}