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 :