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-rw-r--r--src/live_effects/lpe-clone-original.cpp433
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diff --git a/src/live_effects/lpe-clone-original.cpp b/src/live_effects/lpe-clone-original.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) Johan Engelen 2012 <j.b.c.engelen@alumnus.utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "lpe-clone-original.h"
+
+#include "actions/actions-tools.h"
+#include "display/curve.h"
+#include "live_effects/parameter/satellite-reference.h"
+#include "lpe-bspline.h"
+#include "lpe-spiro.h"
+#include "lpeobject-reference.h"
+#include "lpeobject.h"
+#include "object/sp-clippath.h"
+#include "object/sp-mask.h"
+#include "object/sp-path.h"
+#include "object/sp-shape.h"
+#include "object/sp-text.h"
+#include "object/sp-use.h"
+#include "svg/path-string.h"
+#include "svg/svg.h"
+#include "ui/tools/node-tool.h"
+#include "xml/sp-css-attr.h"
+
+// TODO due to internal breakage in glibmm headers, this must be last:
+#include <glibmm/i18n.h>
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+static const Util::EnumData<Clonelpemethod> ClonelpemethodData[] = {
+ { CLM_NONE, N_("No Shape"), "none" },
+ { CLM_D, N_("With LPE's"), "d" },
+ { CLM_ORIGINALD, N_("Without LPE's"), "originald" },
+ { CLM_BSPLINESPIRO, N_("Spiro or BSpline Only"), "bsplinespiro" },
+};
+static const Util::EnumDataConverter<Clonelpemethod> CLMConverter(ClonelpemethodData, CLM_END);
+
+LPECloneOriginal::LPECloneOriginal(LivePathEffectObject *lpeobject)
+ : Effect(lpeobject)
+ , linkeditem(_("Linked Item:"), _("Item from which to take the original data"), "linkeditem", &wr, this)
+ , method(_("Shape"), _("Linked shape"), "method", CLMConverter, &wr, this, CLM_D)
+ , attributes(_("Attributes"), _("Attributes of the original that the clone should copy, written as a comma-separated list; e.g. 'transform, X, Y'."),
+ "attributes", &wr, this, "")
+ , css_properties(_("CSS Properties"),
+ _("CSS properties of the original that the clone should copy, written as a comma-separated list; e.g. 'fill, filter, opacity'."),
+ "css_properties", &wr, this, "")
+ , allow_transforms(_("Allow Transforms"), _("Allow transforms"), "allow_transforms", &wr, this, true)
+{
+ //0.92 compatibility
+ const gchar *linkedpath = getLPEObj()->getAttribute("linkedpath");
+ if (linkedpath && strcmp(linkedpath, "") != 0){
+ getLPEObj()->setAttribute("linkeditem", linkedpath);
+ getLPEObj()->removeAttribute("linkedpath");
+ getLPEObj()->setAttribute("method", "bsplinespiro");
+ getLPEObj()->setAttribute("allow_transforms", "false");
+ };
+
+ sync = false;
+ linked = "";
+ if (getLPEObj()->getAttribute("linkeditem")) {
+ linked = getLPEObj()->getAttribute("linkeditem");
+ }
+ registerParameter(&linkeditem);
+ registerParameter(&method);
+ registerParameter(&attributes);
+ registerParameter(&css_properties);
+ registerParameter(&allow_transforms);
+ attributes.param_hide_canvas_text();
+ css_properties.param_hide_canvas_text();
+}
+
+LPECloneOriginal::~LPECloneOriginal()
+{
+ doOnRemove(nullptr);
+}
+
+bool LPECloneOriginal::doOnOpen(SPLPEItem const *lpeitem)
+{
+ // we need to inform when all items are ready to read svg relink clones
+ // previously couldn't be because clones are not ready (load later)
+ linkeditem.start_listening(linkeditem.getObject());
+ linkeditem.connect_selection_changed();
+ return false;
+}
+
+void
+LPECloneOriginal::syncOriginal()
+{
+ if (method != CLM_NONE) {
+ sync = true;
+ sp_lpe_item_update_patheffect (sp_lpe_item, false, true);
+ method.param_set_value(CLM_NONE);
+ refresh_widgets = true;
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+ sp_lpe_item_update_patheffect (sp_lpe_item, false, true);
+ if (desktop && dynamic_cast<Inkscape::UI::Tools::NodeTool *>(desktop->event_context)) {
+ // Why is this switching tools twice? Probably to reinitialize Node Tool.
+ set_active_tool(desktop, "Select");
+ set_active_tool(desktop, "Node");
+ }
+ }
+}
+
+Gtk::Widget *
+LPECloneOriginal::newWidget()
+{
+ // use manage here, because after deletion of Effect object, others might still be pointing to this widget.
+ Gtk::Box *vbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL));
+ vbox->set_border_width(5);
+ vbox->set_homogeneous(false);
+ vbox->set_spacing(6);
+ std::vector<Parameter *>::iterator it = param_vector.begin();
+ while (it != param_vector.end()) {
+ if ((*it)->widget_is_visible) {
+ Parameter * param = *it;
+ Gtk::Widget * widg = dynamic_cast<Gtk::Widget *>(param->param_newWidget());
+ Glib::ustring * tip = param->param_getTooltip();
+ if (widg) {
+ vbox->pack_start(*widg, true, true, 2);
+ if (tip) {
+ widg->set_tooltip_text(*tip);
+ } else {
+ widg->set_tooltip_text("");
+ widg->set_has_tooltip(false);
+ }
+ }
+ }
+ ++it;
+ }
+ Gtk::Button * sync_button = Gtk::manage(new Gtk::Button(Glib::ustring(_("No Shape Sync to Current"))));
+ sync_button->signal_clicked().connect(sigc::mem_fun (*this,&LPECloneOriginal::syncOriginal));
+ vbox->pack_start(*sync_button, true, true, 2);
+ if(Gtk::Widget* widg = defaultParamSet()) {
+ vbox->pack_start(*widg, true, true, 2);
+ }
+ return dynamic_cast<Gtk::Widget *>(vbox);
+}
+
+void
+LPECloneOriginal::cloneAttributes(SPObject *origin, SPObject *dest, const gchar * attributes, const gchar * css_properties, bool init)
+{
+ SPDocument *document = getSPDoc();
+ if (!document || !origin || !dest) {
+ return;
+ }
+ bool root = dest == sp_lpe_item;
+ SPGroup * group_origin = dynamic_cast<SPGroup *>(origin);
+ SPGroup * group_dest = dynamic_cast<SPGroup *>(dest);
+ if (group_origin && group_dest && group_origin->getItemCount() == group_dest->getItemCount()) {
+ std::vector< SPObject * > childs = group_origin->childList(true);
+ size_t index = 0;
+ for (auto & child : childs) {
+ SPObject *dest_child = group_dest->nthChild(index);
+ cloneAttributes(child, dest_child, attributes, css_properties, init);
+ index++;
+ }
+ } else if ((!group_origin && group_dest) ||
+ ( group_origin && !group_dest))
+ {
+ g_warning("LPE Clone Original: for this path effect to work properly, the same type and the same number of children are required");
+ return;
+ }
+ //Attributes
+ SPShape * shape_origin = dynamic_cast<SPShape *>(origin);
+ SPShape * shape_dest = dynamic_cast<SPShape *>(dest);
+ SPItem * item_origin = dynamic_cast<SPItem *>(origin);
+ SPItem * item_dest = dynamic_cast<SPItem *>(dest);
+ SPMask * mask_origin = dynamic_cast<SPMask *>(item_origin->getMaskObject());
+ SPMask * mask_dest = dynamic_cast<SPMask *>(item_dest->getMaskObject());
+ if(mask_origin && mask_dest) {
+ std::vector<SPObject*> mask_list = mask_origin->childList(true);
+ std::vector<SPObject*> mask_list_dest = mask_dest->childList(true);
+ if (mask_list.size() == mask_list_dest.size()) {
+ size_t i = 0;
+ for (auto mask_data : mask_list) {
+ SPObject * mask_dest_data = mask_list_dest[i];
+ cloneAttributes(mask_data, mask_dest_data, attributes, css_properties, init);
+ i++;
+ }
+ }
+ }
+
+ SPClipPath *clippath_origin = SP_ITEM(origin)->getClipObject();
+ SPClipPath *clippath_dest = SP_ITEM(dest)->getClipObject();
+ if(clippath_origin && clippath_dest) {
+ std::vector<SPObject*> clippath_list = clippath_origin->childList(true);
+ std::vector<SPObject*> clippath_list_dest = clippath_dest->childList(true);
+ if (clippath_list.size() == clippath_list_dest.size()) {
+ size_t i = 0;
+ for (auto clippath_data : clippath_list) {
+ SPObject * clippath_dest_data = clippath_list_dest[i];
+ cloneAttributes(clippath_data, clippath_dest_data, attributes, css_properties, init);
+ i++;
+ }
+ }
+ }
+
+ gchar ** attarray = g_strsplit(old_attributes.c_str(), ",", 0);
+ gchar ** iter = attarray;
+ while (*iter) {
+ const char *attribute = g_strstrip(*iter);
+ if (strlen(attribute)) {
+ dest->removeAttribute(attribute);
+ }
+ iter++;
+ }
+ g_strfreev(attarray);
+
+ attarray = g_strsplit(attributes, ",", 0);
+ iter = attarray;
+ while (*iter) {
+ const char *attribute = g_strstrip(*iter);
+ if (strlen(attribute) && shape_dest && shape_origin) {
+ if (std::strcmp(attribute, "d") == 0) {
+ std::unique_ptr<SPCurve> c;
+ if (method == CLM_BSPLINESPIRO) {
+ c = SPCurve::copy(shape_origin->curveForEdit());
+ SPLPEItem * lpe_item = SP_LPE_ITEM(origin);
+ if (lpe_item) {
+ PathEffectList lpelist = lpe_item->getEffectList();
+ PathEffectList::iterator i;
+ for (i = lpelist.begin(); i != lpelist.end(); ++i) {
+ LivePathEffectObject *lpeobj = (*i)->lpeobject;
+ if (lpeobj) {
+ Inkscape::LivePathEffect::Effect *lpe = lpeobj->get_lpe();
+ if (dynamic_cast<Inkscape::LivePathEffect::LPEBSpline *>(lpe)) {
+ Geom::PathVector hp;
+ LivePathEffect::sp_bspline_do_effect(c.get(), 0, hp);
+ } else if (dynamic_cast<Inkscape::LivePathEffect::LPESpiro *>(lpe)) {
+ LivePathEffect::sp_spiro_do_effect(c.get());
+ }
+ }
+ }
+ }
+ } else if (method == CLM_ORIGINALD) {
+ c = SPCurve::copy(shape_origin->curveForEdit());
+ } else if(method == CLM_D){
+ c = SPCurve::copy(shape_origin->curve());
+ }
+ if (c && method != CLM_NONE) {
+ Geom::PathVector c_pv = c->get_pathvector();
+ c->set_pathvector(c_pv);
+ auto str = sp_svg_write_path(c_pv);
+ if (sync){
+ dest->setAttribute("inkscape:original-d", str);
+ }
+ shape_dest->setCurveInsync(std::move(c));
+ dest->setAttribute("d", str);
+ } else if (method != CLM_NONE) {
+ dest->removeAttribute(attribute);
+ }
+ } else {
+ dest->setAttribute(attribute, origin->getAttribute(attribute));
+ }
+ }
+ iter++;
+ }
+ if (!allow_transforms || !root) {
+ dest->setAttribute("transform", origin->getAttribute("transform"));
+ dest->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+ }
+ g_strfreev(attarray);
+
+ SPCSSAttr *css_origin = sp_repr_css_attr_new();
+ sp_repr_css_attr_add_from_string(css_origin, origin->getAttribute("style"));
+ SPCSSAttr *css_dest = sp_repr_css_attr_new();
+ sp_repr_css_attr_add_from_string(css_dest, dest->getAttribute("style"));
+ if (init) {
+ css_dest = css_origin;
+ }
+ gchar ** styleattarray = g_strsplit(old_css_properties.c_str(), ",", 0);
+ gchar ** styleiter = styleattarray;
+ while (*styleiter) {
+ const char *attribute = g_strstrip(*styleiter);
+ if (strlen(attribute)) {
+ sp_repr_css_set_property (css_dest, attribute, nullptr);
+ }
+ styleiter++;
+ }
+ g_strfreev(styleattarray);
+
+ styleattarray = g_strsplit(css_properties, ",", 0);
+ styleiter = styleattarray;
+ while (*styleiter) {
+ const char *attribute = g_strstrip(*styleiter);
+ if (strlen(attribute)) {
+ const char* origin_attribute = sp_repr_css_property(css_origin, attribute, "");
+ if (!strlen(origin_attribute)) { //==0
+ sp_repr_css_set_property (css_dest, attribute, nullptr);
+ } else {
+ sp_repr_css_set_property (css_dest, attribute, origin_attribute);
+ }
+ }
+ styleiter++;
+ }
+ g_strfreev(styleattarray);
+
+ Glib::ustring css_str;
+ sp_repr_css_write_string(css_dest,css_str);
+ dest->setAttributeOrRemoveIfEmpty("style", css_str);
+}
+
+void
+LPECloneOriginal::doBeforeEffect (SPLPEItem const* lpeitem){
+ SPDocument *document = getSPDoc();
+ if (!document) {
+ return;
+ }
+
+
+ bool active = true;
+ if (linkeditem.lperef && linkeditem.lperef->isAttached() && linkeditem.lperef.get()->getObject() == nullptr) {
+ active = false;
+ }
+ if (!active) {
+ linkeditem.unlink();
+ return;
+ }
+
+ if (linkeditem.linksToItem()) {
+ if (!linkeditem.isConnected() && linkeditem.getObject()) {
+ linkeditem.start_listening(linkeditem.getObject());
+ linkeditem.update_satellites(true);
+ return;
+ }
+ sp_lpe_item = nullptr;
+ auto lpeitems = getCurrrentLPEItems();
+ if (lpeitems.size()) {
+ sp_lpe_item = lpeitems[0];
+ }
+ SPItem *orig = dynamic_cast<SPItem *>(linkeditem.getObject());
+ if(!orig) {
+ return;
+ }
+ SPText *text_origin = dynamic_cast<SPText *>(orig);
+ SPItem *dest = dynamic_cast<SPItem *>(sp_lpe_item);
+ const gchar * id = orig->getId();
+ bool init = !is_load && g_strcmp0(id, linked.c_str()) != 0;
+ /* if (sp_lpe_item->getRepr()->attribute("style")) {
+ init = false;
+ } */
+ Glib::ustring attr = "d,";
+ if (text_origin) {
+ std::unique_ptr<SPCurve> curve = text_origin->getNormalizedBpath();
+ dest->setAttribute("inkscape:original-d", sp_svg_write_path(curve->get_pathvector()));
+ attr = "";
+ }
+ if (g_strcmp0(linked.c_str(), id) && !is_load) {
+ dest->setAttribute("transform", nullptr);
+ }
+ original_bbox(lpeitem, false, true);
+ auto attributes_str = attributes.param_getSVGValue();
+ attr += attributes_str + ",";
+ if (attr.size() && attributes_str.empty()) {
+ attr.erase (attr.size()-1, 1);
+ }
+ auto css_properties_str = css_properties.param_getSVGValue();
+ Glib::ustring style_attr = "";
+ if (style_attr.size() && css_properties_str.empty()) {
+ style_attr.erase (style_attr.size()-1, 1);
+ }
+ style_attr += css_properties_str + ",";
+ cloneAttributes(orig, dest, attr.c_str(), style_attr.c_str(), init);
+ old_css_properties = css_properties.param_getSVGValue();
+ old_attributes = attributes.param_getSVGValue();
+ sync = false;
+ linked = id;
+ } else {
+ linked = "";
+ }
+}
+
+void LPECloneOriginal::doOnRemove(SPLPEItem const *lpeitem)
+{
+ // this leave a empty path item but keep clone
+ std::vector<SPLPEItem *> lpeitems = getCurrrentLPEItems();
+ if (lpeitems.size() == 1) {
+ sp_lpe_item = lpeitems[0];
+ if (sp_lpe_item && sp_lpe_item->getAttribute("class")) {
+ Glib::ustring fromclone = sp_lpe_item->getAttribute("class");
+ size_t pos = fromclone.find("fromclone");
+ if (pos != Glib::ustring::npos) {
+ gchar *transform = g_strdup(sp_lpe_item->getAttribute("transform"));
+ linkeditem.quit_listening();
+ SPObject *owner = linkeditem.lperef->getObject();
+ if (owner) {
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+ if (desktop) {
+ desktop->selection->clone();
+ SPUse *clone;
+ if (( clone = dynamic_cast<SPUse*>(desktop->selection->singleItem()))) {
+ gchar *href_str = g_strdup_printf("#%s", owner->getAttribute("id"));
+ clone->setAttribute("xlink:href", href_str);
+ clone->setAttribute("transform", transform);
+ g_free(href_str);
+ }
+ }
+ }
+ g_free(transform);
+ }
+ }
+ }
+ linkeditem.unlink();
+}
+
+void
+LPECloneOriginal::doEffect (SPCurve * curve)
+{
+ if (method != CLM_NONE) {
+ SPCurve const *current_curve = current_shape->curve();
+ if (current_curve != nullptr) {
+ curve->set_pathvector(current_curve->get_pathvector());
+ }
+ }
+}
+
+} // namespace LivePathEffect
+} /* namespace Inkscape */
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :