// Create a mask element (using passed elements), add it to <defs>
const gchar *
sp_clippath_create (GSList *reprs, SPDocument *document, Geom::Matrix const* applyTransform)
{
Inkscape::XML::Node *defsrepr = SP_OBJECT_REPR (SP_DOCUMENT_DEFS (document));
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
Inkscape::XML::Node *repr = xml_doc->createElement("svg:clipPath");
repr->setAttribute("clipPathUnits", "userSpaceOnUse");
defsrepr->appendChild(repr);
const gchar *id = repr->attribute("id");
SPObject *clip_path_object = document->getObjectById(id);
for (GSList *it = reprs; it != NULL; it = it->next) {
Inkscape::XML::Node *node = (Inkscape::XML::Node *)(it->data);
SPItem *item = SP_ITEM(clip_path_object->appendChildRepr(node));
if (NULL != applyTransform) {
Geom::Matrix transform (item->transform);
transform *= (*applyTransform);
sp_item_write_transform(item, SP_OBJECT_REPR(item), transform);
}
}
Inkscape::GC::release(repr);
return id;
}
Inkscape::XML::Node *
Parameter::document_param_node (SPDocument * doc)
{
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::XML::Node * defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc));
Inkscape::XML::Node * params = NULL;
GQuark const name_quark = g_quark_from_string("inkscape:extension-params");
for (Inkscape::XML::Node * child = defs->firstChild();
child != NULL;
child = child->next()) {
if ((GQuark)child->code() == name_quark &&
!strcmp(child->attribute("extension"), extension->get_id())) {
params = child;
break;
}
}
if (params == NULL) {
params = xml_doc->createElement("inkscape:extension-param");
params->setAttribute("extension", extension->get_id());
defs->appendChild(params);
Inkscape::GC::release(params);
}
return params;
}
static void
sp_item_create_link(GtkMenuItem *menuitem, SPItem *item)
{
g_assert(SP_IS_ITEM(item));
g_assert(!SP_IS_ANCHOR(item));
SPDesktop *desktop = (SPDesktop*)gtk_object_get_data(GTK_OBJECT(menuitem), "desktop");
g_return_if_fail(desktop != NULL);
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
Inkscape::XML::Node *repr = xml_doc->createElement("svg:a");
SP_OBJECT_REPR(SP_OBJECT_PARENT(item))->addChild(repr, SP_OBJECT_REPR(item));
SPObject *object = SP_OBJECT_DOCUMENT(item)->getObjectByRepr(repr);
g_return_if_fail(SP_IS_ANCHOR(object));
const char *id = SP_OBJECT_REPR(item)->attribute("id");
Inkscape::XML::Node *child = SP_OBJECT_REPR(item)->duplicate(xml_doc);
SP_OBJECT(item)->deleteObject(false);
repr->addChild(child, NULL);
child->setAttribute("id", id);
Inkscape::GC::release(repr);
Inkscape::GC::release(child);
sp_document_done(SP_OBJECT_DOCUMENT(object), SP_VERB_NONE,
_("Create link"));
sp_object_attributes_dialog(object, "SPAnchor");
sp_desktop_selection(desktop)->set(SP_ITEM(object));
}
static void
sp_textpath_build(SPObject *object, SPDocument *doc, Inkscape::XML::Node *repr)
{
//SPTextPath *textpath = SP_TEXTPATH(object);
sp_object_read_attr(object, "x");
sp_object_read_attr(object, "y");
sp_object_read_attr(object, "dx");
sp_object_read_attr(object, "dy");
sp_object_read_attr(object, "rotate");
sp_object_read_attr(object, "startOffset");
sp_object_read_attr(object, "xlink:href");
bool no_content=true;
for (Inkscape::XML::Node* rch = repr->firstChild() ; rch != NULL; rch = rch->next()) {
if ( rch->type() == Inkscape::XML::TEXT_NODE ) {no_content=false;break;}
}
if ( no_content ) {
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::XML::Node* rch = xml_doc->createTextNode("");
repr->addChild(rch, NULL);
}
if (((SPObjectClass *) textpath_parent_class)->build)
((SPObjectClass *) textpath_parent_class)->build(object, doc, repr);
}
static void sp_box3d_drag(Box3DContext &bc, guint /*state*/)
{
SPDesktop *desktop = SP_EVENT_CONTEXT(&bc)->desktop;
if (!bc.item) {
if (Inkscape::have_viable_layer(desktop, bc._message_context) == false) {
return;
}
/* Create object */
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_EVENT_CONTEXT_DOCUMENT(&bc));
Inkscape::XML::Node *repr = xml_doc->createElement("svg:g");
repr->setAttribute("sodipodi:type", "inkscape:box3d");
/* Set style */
sp_desktop_apply_style_tool (desktop, repr, "/tools/shapes/3dbox", false);
bc.item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
Inkscape::GC::release(repr);
Inkscape::XML::Node *repr_side;
// TODO: Incorporate this in box3d-side.cpp!
for (int i = 0; i < 6; ++i) {
repr_side = xml_doc->createElement("svg:path");
repr_side->setAttribute("sodipodi:type", "inkscape:box3dside");
repr->addChild(repr_side, NULL);
Box3DSide *side = SP_BOX3D_SIDE(inkscape_active_document()->getObjectByRepr (repr_side));
guint desc = Box3D::int_to_face(i);
Box3D::Axis plane = (Box3D::Axis) (desc & 0x7);
plane = (Box3D::is_plane(plane) ? plane : Box3D::orth_plane_or_axis(plane));
side->dir1 = Box3D::extract_first_axis_direction(plane);
side->dir2 = Box3D::extract_second_axis_direction(plane);
side->front_or_rear = (Box3D::FrontOrRear) (desc & 0x8);
/* Set style */
box3d_side_apply_style(side);
SP_OBJECT(side)->updateRepr(); // calls box3d_side_write() and updates, e.g., the axes string description
}
box3d_set_z_orders(SP_BOX3D(bc.item));
bc.item->updateRepr();
// TODO: It would be nice to show the VPs during dragging, but since there is no selection
// at this point (only after finishing the box), we must do this "manually"
/* bc._vpdrag->updateDraggers(); */
desktop->canvas->force_full_redraw_after_interruptions(5);
}
g_assert(bc.item);
SPBox3D *box = SP_BOX3D(bc.item);
box->orig_corner0 = bc.drag_origin_proj;
box->orig_corner7 = bc.drag_ptC_proj;
box3d_check_for_swapped_coords(box);
/* we need to call this from here (instead of from box3d_position_set(), for example)
because z-order setting must not interfere with display updates during undo/redo */
box3d_set_z_orders (box);
box3d_position_set(box);
// status text
bc._message_context->setF(Inkscape::NORMAL_MESSAGE, "%s", _("<b>3D Box</b>; with <b>Shift</b> to extrude along the Z axis"));
}
void
text_put_on_path()
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop)
return;
Inkscape::Selection *selection = sp_desktop_selection(desktop);
SPItem *text = text_or_flowtext_in_selection(selection);
SPItem *shape = shape_in_selection(selection);
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
if (!text || !shape || g_slist_length((GSList *) selection->itemList()) != 2) {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>a text and a path</b> to put text on path."));
return;
}
if (SP_IS_TEXT_TEXTPATH(text)) {
sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("This text object is <b>already put on a path</b>. Remove it from the path first. Use <b>Shift+D</b> to look up its path."));
return;
}
if (SP_IS_RECT(shape)) {
// rect is the only SPShape which is not <path> yet, and thus SVG forbids us from putting text on it
sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("You cannot put text on a rectangle in this version. Convert rectangle to path first."));
return;
}
// if a flowed text is selected, convert it to a regular text object
if (SP_IS_FLOWTEXT(text)) {
if (!SP_FLOWTEXT(text)->layout.outputExists()) {
sp_desktop_message_stack(desktop)->
flash(Inkscape::WARNING_MESSAGE,
_("The flowed text(s) must be <b>visible</b> in order to be put on a path."));
}
Inkscape::XML::Node *repr = SP_FLOWTEXT(text)->getAsText();
if (!repr) return;
Inkscape::XML::Node *parent = SP_OBJECT_REPR(text)->parent();
parent->appendChild(repr);
SPItem *new_item = (SPItem *) sp_desktop_document(desktop)->getObjectByRepr(repr);
sp_item_write_transform(new_item, repr, text->transform);
SP_OBJECT(new_item)->updateRepr();
Inkscape::GC::release(repr);
text->deleteObject(); // delete the orignal flowtext
sp_document_ensure_up_to_date(sp_desktop_document(desktop));
selection->clear();
text = new_item; // point to the new text
}
Inkscape::Text::Layout const *layout = te_get_layout(text);
Inkscape::Text::Layout::Alignment text_alignment = layout->paragraphAlignment(layout->begin());
// remove transform from text, but recursively scale text's fontsize by the expansion
SP_TEXT(text)->_adjustFontsizeRecursive (text, NR::expansion(SP_ITEM(text)->transform));
SP_OBJECT_REPR(text)->setAttribute("transform", NULL);
// make a list of text children
GSList *text_reprs = NULL;
for (SPObject *o = SP_OBJECT(text)->children; o != NULL; o = o->next) {
text_reprs = g_slist_prepend(text_reprs, SP_OBJECT_REPR(o));
}
// create textPath and put it into the text
Inkscape::XML::Node *textpath = xml_doc->createElement("svg:textPath");
// reference the shape
textpath->setAttribute("xlink:href", g_strdup_printf("#%s", SP_OBJECT_REPR(shape)->attribute("id")));
if (text_alignment == Inkscape::Text::Layout::RIGHT)
textpath->setAttribute("startOffset", "100%");
else if (text_alignment == Inkscape::Text::Layout::CENTER)
textpath->setAttribute("startOffset", "50%");
SP_OBJECT_REPR(text)->addChild(textpath, NULL);
for ( GSList *i = text_reprs ; i ; i = i->next ) {
// Make a copy of each text child
Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) i->data)->duplicate(xml_doc);
// We cannot have multiline in textpath, so remove line attrs from tspans
if (!strcmp(copy->name(), "svg:tspan")) {
copy->setAttribute("sodipodi:role", NULL);
copy->setAttribute("x", NULL);
copy->setAttribute("y", NULL);
}
// remove the old repr from under text
SP_OBJECT_REPR(text)->removeChild((Inkscape::XML::Node *) i->data);
// put its copy into under textPath
textpath->addChild(copy, NULL); // fixme: copy id
}
// x/y are useless with textpath, and confuse Batik 1.5
SP_OBJECT_REPR(text)->setAttribute("x", NULL);
SP_OBJECT_REPR(text)->setAttribute("y", NULL);
sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
_("Put text on path"));
g_slist_free(text_reprs);
}
void
text_unflow ()
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop)
return;
SPDocument *doc = sp_desktop_document (desktop);
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::Selection *selection = sp_desktop_selection(desktop);
if (!flowtext_in_selection(selection) || g_slist_length((GSList *) selection->itemList()) < 1) {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>a flowed text</b> to unflow it."));
return;
}
GSList *new_objs = NULL;
GSList *old_objs = NULL;
for (GSList *items = g_slist_copy((GSList *) selection->itemList());
items != NULL;
items = items->next) {
if (!SP_IS_FLOWTEXT(SP_OBJECT(items->data))) {
continue;
}
SPItem *flowtext = SP_ITEM(items->data);
if (sp_te_get_string_multiline(flowtext) == NULL) { // flowtext is empty
continue;
}
/* Create <text> */
Inkscape::XML::Node *rtext = xml_doc->createElement("svg:text");
rtext->setAttribute("xml:space", "preserve"); // we preserve spaces in the text objects we create
/* Set style */
rtext->setAttribute("style", SP_OBJECT_REPR(flowtext)->attribute("style")); // fixme: transfer style attrs too; and from descendants
NRRect bbox;
sp_item_invoke_bbox(SP_ITEM(flowtext), &bbox, sp_item_i2doc_affine(SP_ITEM(flowtext)), TRUE);
Geom::Point xy(bbox.x0, bbox.y0);
if (xy[Geom::X] != 1e18 && xy[Geom::Y] != 1e18) {
sp_repr_set_svg_double(rtext, "x", xy[Geom::X]);
sp_repr_set_svg_double(rtext, "y", xy[Geom::Y]);
}
/* Create <tspan> */
Inkscape::XML::Node *rtspan = xml_doc->createElement("svg:tspan");
rtspan->setAttribute("sodipodi:role", "line"); // otherwise, why bother creating the tspan?
rtext->addChild(rtspan, NULL);
gchar *text_string = sp_te_get_string_multiline(flowtext);
Inkscape::XML::Node *text_repr = xml_doc->createTextNode(text_string); // FIXME: transfer all formatting!!!
free(text_string);
rtspan->appendChild(text_repr);
SP_OBJECT_REPR(SP_OBJECT_PARENT(flowtext))->appendChild(rtext);
SPObject *text_object = doc->getObjectByRepr(rtext);
new_objs = g_slist_prepend (new_objs, text_object);
old_objs = g_slist_prepend (old_objs, flowtext);
Inkscape::GC::release(rtext);
Inkscape::GC::release(rtspan);
Inkscape::GC::release(text_repr);
}
selection->clear();
selection->setList(new_objs);
for (GSList *i = old_objs; i; i = i->next) {
SP_OBJECT(i->data)->deleteObject (true);
}
g_slist_free (old_objs);
g_slist_free (new_objs);
sp_document_done(doc, SP_VERB_CONTEXT_TEXT,
_("Unflow flowed text"));
}
void
text_flow_into_shape()
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop)
return;
SPDocument *doc = sp_desktop_document (desktop);
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::Selection *selection = sp_desktop_selection(desktop);
SPItem *text = text_or_flowtext_in_selection(selection);
SPItem *shape = shape_in_selection(selection);
if (!text || !shape || g_slist_length((GSList *) selection->itemList()) < 2) {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>a text</b> and one or more <b>paths or shapes</b> to flow text into frame."));
return;
}
if (SP_IS_TEXT(text)) {
// remove transform from text, but recursively scale text's fontsize by the expansion
SP_TEXT(text)->_adjustFontsizeRecursive(text, NR::expansion(SP_ITEM(text)->transform));
SP_OBJECT_REPR(text)->setAttribute("transform", NULL);
}
Inkscape::XML::Node *root_repr = xml_doc->createElement("svg:flowRoot");
root_repr->setAttribute("xml:space", "preserve"); // we preserve spaces in the text objects we create
root_repr->setAttribute("style", SP_OBJECT_REPR(text)->attribute("style")); // fixme: transfer style attrs too
SP_OBJECT_REPR(SP_OBJECT_PARENT(shape))->appendChild(root_repr);
SPObject *root_object = doc->getObjectByRepr(root_repr);
g_return_if_fail(SP_IS_FLOWTEXT(root_object));
Inkscape::XML::Node *region_repr = xml_doc->createElement("svg:flowRegion");
root_repr->appendChild(region_repr);
SPObject *object = doc->getObjectByRepr(region_repr);
g_return_if_fail(SP_IS_FLOWREGION(object));
/* Add clones */
for (GSList *items = (GSList *) selection->itemList();
items != NULL;
items = items->next) {
SPItem *item = SP_ITEM(items->data);
if (SP_IS_SHAPE(item)){
Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
clone->setAttribute("x", "0");
clone->setAttribute("y", "0");
clone->setAttribute("xlink:href", g_strdup_printf("#%s", SP_OBJECT_REPR(item)->attribute("id")));
// add the new clone to the region
region_repr->appendChild(clone);
}
}
if (SP_IS_TEXT(text)) { // flow from text, as string
Inkscape::XML::Node *para_repr = xml_doc->createElement("svg:flowPara");
root_repr->appendChild(para_repr);
object = doc->getObjectByRepr(para_repr);
g_return_if_fail(SP_IS_FLOWPARA(object));
Inkscape::Text::Layout const *layout = te_get_layout(text);
Glib::ustring text_ustring = sp_te_get_string_multiline(text, layout->begin(), layout->end());
Inkscape::XML::Node *text_repr = xml_doc->createTextNode(text_ustring.c_str()); // FIXME: transfer all formatting! and convert newlines into flowParas!
para_repr->appendChild(text_repr);
Inkscape::GC::release(para_repr);
Inkscape::GC::release(text_repr);
} else { // reflow an already flowed text, preserving paras
for (SPObject *o = SP_OBJECT(text)->children; o != NULL; o = o->next) {
if (SP_IS_FLOWPARA(o)) {
Inkscape::XML::Node *para_repr = SP_OBJECT_REPR(o)->duplicate(xml_doc);
root_repr->appendChild(para_repr);
object = doc->getObjectByRepr(para_repr);
g_return_if_fail(SP_IS_FLOWPARA(object));
Inkscape::GC::release(para_repr);
}
}
}
SP_OBJECT(text)->deleteObject (true);
sp_document_done(doc, SP_VERB_CONTEXT_TEXT,
_("Flow text into shape"));
sp_desktop_selection(desktop)->set(SP_ITEM(root_object));
Inkscape::GC::release(root_repr);
Inkscape::GC::release(region_repr);
}
/**
* Threaded method that does single bitmap--->path conversion
*/
void Tracer::traceThread()
{
//## Remember. NEVER leave this method without setting
//## engine back to NULL
//## Prepare our kill flag. We will watch this later to
//## see if the main thread wants us to stop
keepGoing = true;
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop)
{
g_warning("Trace: No active desktop\n");
return;
}
Inkscape::MessageStack *msgStack = sp_desktop_message_stack(desktop);
Inkscape::Selection *selection = sp_desktop_selection (desktop);
if (!SP_ACTIVE_DOCUMENT)
{
char *msg = _("Trace: No active document");
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
//g_warning(msg);
engine = NULL;
return;
}
SPDocument *doc = SP_ACTIVE_DOCUMENT;
sp_document_ensure_up_to_date(doc);
SPImage *img = getSelectedSPImage();
if (!img)
{
engine = NULL;
return;
}
Glib::RefPtr<Gdk::Pixbuf> pixbuf = Glib::wrap(img->pixbuf, true);
pixbuf = sioxProcessImage(img, pixbuf);
if (!pixbuf)
{
char *msg = _("Trace: Image has no bitmap data");
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
//g_warning(msg);
engine = NULL;
return;
}
msgStack->flash(Inkscape::NORMAL_MESSAGE, _("Trace: Starting trace..."));
desktop->updateCanvasNow();
std::vector<TracingEngineResult> results =
engine->trace(pixbuf);
//printf("nrPaths:%d\n", results.size());
int nrPaths = results.size();
//### Check if we should stop
if (!keepGoing || nrPaths<1)
{
engine = NULL;
return;
}
//### Get pointers to the <image> and its parent
Inkscape::XML::Node *imgRepr = SP_OBJECT(img)->repr;
Inkscape::XML::Node *par = sp_repr_parent(imgRepr);
//### Get some information for the new transform()
double x = 0.0;
double y = 0.0;
double width = 0.0;
double height = 0.0;
double dval = 0.0;
if (sp_repr_get_double(imgRepr, "x", &dval))
x = dval;
if (sp_repr_get_double(imgRepr, "y", &dval))
y = dval;
if (sp_repr_get_double(imgRepr, "width", &dval))
width = dval;
if (sp_repr_get_double(imgRepr, "height", &dval))
height = dval;
double iwidth = (double)pixbuf->get_width();
double iheight = (double)pixbuf->get_height();
double iwscale = width / iwidth;
double ihscale = height / iheight;
Geom::Translate trans(x, y);
Geom::Scale scal(iwscale, ihscale);
//# Convolve scale, translation, and the original transform
Geom::Matrix tf(scal * trans);
tf *= img->transform;
//#OK. Now let's start making new nodes
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
Inkscape::XML::Node *groupRepr = NULL;
//# if more than 1, make a <g>roup of <path>s
if (nrPaths > 1)
{
groupRepr = xml_doc->createElement("svg:g");
par->addChild(groupRepr, imgRepr);
}
long totalNodeCount = 0L;
for (unsigned int i=0 ; i<results.size() ; i++)
{
TracingEngineResult result = results[i];
totalNodeCount += result.getNodeCount();
Inkscape::XML::Node *pathRepr = xml_doc->createElement("svg:path");
pathRepr->setAttribute("style", result.getStyle().c_str());
pathRepr->setAttribute("d", result.getPathData().c_str());
if (nrPaths > 1)
groupRepr->addChild(pathRepr, NULL);
else
par->addChild(pathRepr, imgRepr);
//### Apply the transform from the image to the new shape
SPObject *reprobj = doc->getObjectByRepr(pathRepr);
if (reprobj)
{
SPItem *newItem = SP_ITEM(reprobj);
sp_item_write_transform(newItem, pathRepr, tf, NULL);
}
if (nrPaths == 1)
{
selection->clear();
selection->add(pathRepr);
}
Inkscape::GC::release(pathRepr);
}
// If we have a group, then focus on, then forget it
if (nrPaths > 1)
{
selection->clear();
selection->add(groupRepr);
Inkscape::GC::release(groupRepr);
}
//## inform the document, so we can undo
sp_document_done(doc, SP_VERB_SELECTION_TRACE, _("Trace bitmap"));
engine = NULL;
char *msg = g_strdup_printf(_("Trace: Done. %ld nodes created"), totalNodeCount);
msgStack->flash(Inkscape::NORMAL_MESSAGE, msg);
g_free(msg);
}
void
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 = SP_OBJECT_REPR(first)->parent();
position = SP_OBJECT_REPR(first)->position();
id = SP_OBJECT_REPR(first)->attribute("id");
transform = SP_OBJECT_REPR(first)->attribute("transform");
// FIXME: merge styles of combined objects instead of using the first one's style
style = g_strdup(SP_OBJECT_REPR(first)->attribute("style"));
path_effect = g_strdup(SP_OBJECT_REPR(first)->attribute("inkscape:path-effect"));
//c->transform(item->transform);
curve = c;
} else {
c->transform(item->getRelativeTransform(SP_OBJECT(first)));
curve->append(c, false);
c->unref();
}
// unless this is the topmost object,
if (item != first) {
// reduce position only if the same parent
if (SP_OBJECT_REPR(item)->parent() == parent)
position--;
// delete the object for real, so that its clones can take appropriate action
SP_OBJECT(item)->deleteObject();
}
}
g_slist_free(items);
if (did) {
SP_OBJECT(first)->deleteObject(false);
// delete the topmost.
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
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);
sp_document_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();
}
static void
sp_spiral_drag(SPSpiralContext *sc, Geom::Point p, guint state)
{
SPDesktop *desktop = SP_EVENT_CONTEXT(sc)->desktop;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
int const snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);
if (!sc->item) {
if (Inkscape::have_viable_layer(desktop, sc->_message_context) == false) {
return;
}
/* Create object */
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_EVENT_CONTEXT_DOCUMENT(sc));
Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");
repr->setAttribute("sodipodi:type", "spiral");
/* Set style */
sp_desktop_apply_style_tool(desktop, repr, "/tools/shapes/spiral", false);
sc->item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
Inkscape::GC::release(repr);
sc->item->transform = sp_item_i2doc_affine(SP_ITEM(desktop->currentLayer())).inverse();
sc->item->updateRepr();
sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
}
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop, true, sc->item);
Geom::Point pt2g = to_2geom(p);
m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, pt2g);
Geom::Point const p0 = to_2geom(sp_desktop_dt2doc_xy_point(desktop, sc->center));
Geom::Point const p1 = to_2geom(sp_desktop_dt2doc_xy_point(desktop, from_2geom(pt2g)));
SPSpiral *spiral = SP_SPIRAL(sc->item);
Geom::Point const delta = p1 - p0;
gdouble const rad = Geom::L2(delta);
gdouble arg = Geom::atan2(delta) - 2.0*M_PI*spiral->revo;
if (state & GDK_CONTROL_MASK) {
arg = sp_round(arg, M_PI/snaps);
}
/* Fixme: these parameters should be got from dialog box */
sp_spiral_position_set(spiral, p0[Geom::X], p0[Geom::Y],
/*expansion*/ sc->exp,
/*revolution*/ sc->revo,
rad, arg,
/*t0*/ sc->t0);
/* status text */
GString *rads = SP_PX_TO_METRIC_STRING(rad, desktop->namedview->getDefaultMetric());
sc->_message_context->setF(Inkscape::IMMEDIATE_MESSAGE,
_("<b>Spiral</b>: radius %s, angle %5g°; with <b>Ctrl</b> to snap angle"),
rads->str, sp_round((arg + 2.0*M_PI*spiral->revo)*180/M_PI, 0.0001));
g_string_free(rads, FALSE);
}