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-rw-r--r--src/object/sp-defs.cpp112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/object/sp-defs.cpp b/src/object/sp-defs.cpp
new file mode 100644
index 0000000..f7de6c7
--- /dev/null
+++ b/src/object/sp-defs.cpp
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SVG <defs> implementation
+ *
+ * Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Abhishek Sharma
+ *
+ * Copyright (C) 2000-2002 authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+/*
+ * fixme: We should really check childrens validity - currently everything
+ * flips in
+ */
+
+#include "sp-defs.h"
+#include "xml/repr.h"
+#include "document.h"
+#include "attributes.h"
+
+SPDefs::SPDefs() : SPObject() {
+}
+
+SPDefs::~SPDefs() = default;
+
+void SPDefs::build(SPDocument* doc, Inkscape::XML::Node* repr) {
+ this->readAttr(SPAttr::STYLE);
+ SPObject::build(doc, repr);
+}
+
+void SPDefs::release() {
+ SPObject::release();
+}
+
+void SPDefs::update(SPCtx *ctx, guint flags) {
+ if (flags & SP_OBJECT_MODIFIED_FLAG) {
+ flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
+ }
+
+ flags &= SP_OBJECT_MODIFIED_CASCADE;
+ std::vector<SPObject*> l(this->childList(true));
+ for(auto child : l){
+ if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
+ child->updateDisplay(ctx, flags);
+ }
+ sp_object_unref(child);
+ }
+}
+
+void SPDefs::modified(unsigned int flags) {
+ if (flags & SP_OBJECT_MODIFIED_FLAG) {
+ flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
+ }
+
+ flags &= SP_OBJECT_MODIFIED_CASCADE;
+ std::vector<SPObject *> l;
+ for (auto& child: children) {
+ sp_object_ref(&child);
+ l.push_back(&child);
+ }
+
+ for (auto child:l) {
+ if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
+ child->emitModified(flags);
+ }
+ sp_object_unref(child);
+ }
+}
+
+Inkscape::XML::Node* SPDefs::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
+ if (flags & SP_OBJECT_WRITE_BUILD) {
+
+ if (!repr) {
+ repr = xml_doc->createElement("svg:defs");
+ }
+
+ std::vector<Inkscape::XML::Node *> l;
+ for (auto& child: children) {
+ Inkscape::XML::Node *crepr = child.updateRepr(xml_doc, nullptr, flags);
+ if (crepr) {
+ l.push_back(crepr);
+ }
+ }
+ for (auto i=l.rbegin();i!=l.rend();++i) {
+ repr->addChild(*i, nullptr);
+ Inkscape::GC::release(*i);
+ }
+ } else {
+ for (auto& child: children) {
+ child.updateRepr(flags);
+ }
+ }
+
+ SPObject::write(xml_doc, repr, flags);
+
+ return repr;
+}
+
+/*
+ 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 :