1 files changed, 78 insertions, 0 deletions
diff --git a/src/live_effects/lpeobject.h b/src/live_effects/lpeobject.h
new file mode 100644
index 0000000..c29794b
--- /dev/null
+++ b/src/live_effects/lpeobject.h
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LIVEPATHEFFECT_OBJECT_H
+#define INKSCAPE_LIVEPATHEFFECT_OBJECT_H
+
+/*
+ * Inkscape::LivePathEffect
+ *
+ * Copyright (C) Johan Engelen 2007-2008 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "effect-enum.h"
+#include "object/sp-object.h"
+#include "xml/node-observer.h"
+
+namespace Inkscape {
+namespace XML { class Node; struct Document; }
+namespace LivePathEffect { class Effect; }
+} // namespace Inkscape
+
+class LPENodeObserver : public Inkscape::XML::NodeObserver
+{
+    friend class LivePathEffectObject;
+    ~LPENodeObserver() override = default; // can only exist as a direct base of LivePathEffectObject
+
+    void notifyAttributeChanged(Inkscape::XML::Node &node, GQuark key, Inkscape::Util::ptr_shared oldval, Inkscape::Util::ptr_shared newval) final;
+};
+
+class LivePathEffectObject final
+    : public SPObject
+    , private LPENodeObserver
+{
+public:
+    LivePathEffectObject();
+    ~LivePathEffectObject() override;
+    int tag() const override { return tag_of<decltype(*this)>; }
+
+    Inkscape::LivePathEffect::EffectType effecttype{Inkscape::LivePathEffect::INVALID_LPE};
+
+    bool effecttype_set{false};
+    // dont check values only structure and ID
+    bool is_similar(LivePathEffectObject *that);
+
+    LivePathEffectObject *fork_private_if_necessary(unsigned int nr_of_allowed_users = 1);
+
+    /* Note that the returned pointer can be NULL in a valid LivePathEffectObject contained in a valid list of lpeobjects in an lpeitem!
+     * So one should always check whether the returned value is NULL or not */
+    Inkscape::LivePathEffect::Effect *get_lpe() { return lpe; }
+    Inkscape::LivePathEffect::Effect const *get_lpe() const { return lpe; };
+
+    Inkscape::LivePathEffect::Effect *lpe{nullptr}; // this can be NULL in a valid LivePathEffectObject
+
+protected:
+    void build(SPDocument *doc, Inkscape::XML::Node *repr) override;
+    void release() override;
+
+    void set(SPAttr key, char const *value) override;
+
+    Inkscape::XML::Node *write(Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, unsigned int flags) override;
+
+private:
+    friend LPENodeObserver; // for static_cast
+    LPENodeObserver &nodeObserver() { return *this; }
+};
+
+#endif // INKSCAPE_LIVEPATHEFFECT_OBJECT_H
+
+/*
+  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:fileencoding=utf-8:textwidth=99 :