1 files changed, 134 insertions, 0 deletions
diff --git a/src/object/sp-clippath.h b/src/object/sp-clippath.h
new file mode 100644
index 0000000..4e09743
--- /dev/null
+++ b/src/object/sp-clippath.h
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_CLIPPATH_H
+#define SEEN_SP_CLIPPATH_H
+
+/*
+ * SVG <clipPath> implementation
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Abhishek Sharma
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2001-2002 authors
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <cstdio>
+#include "sp-object-group.h"
+#include "display/drawing.h"
+#include "display/drawing-group.h"
+#include "uri-references.h"
+#include "xml/node.h"
+
+namespace Inkscape {
+
+class Drawing;
+class DrawingItem;
+
+} // namespace Inkscape
+
+
+struct SPClipPathView {
+    SPClipPathView *next;
+    unsigned int key;
+    Inkscape::DrawingItem *arenaitem;
+    Geom::OptRect bbox;
+};
+
+class SPClipPath : public SPObjectGroup {
+public:
+	SPClipPath();
+	~SPClipPath() override;
+
+    class Reference;
+
+    unsigned int clipPathUnits_set : 1;
+    unsigned int clipPathUnits : 1;
+
+    SPClipPathView *display;
+    static char const *create(std::vector<Inkscape::XML::Node*> &reprs, SPDocument *document);
+    //static GType sp_clippath_get_type(void);
+
+    Inkscape::DrawingItem *show(Inkscape::Drawing &drawing, unsigned int key);
+    void hide(unsigned int key);
+
+    void setBBox(unsigned int key, Geom::OptRect const &bbox);
+    Geom::OptRect geometricBounds(Geom::Affine const &transform);
+
+protected:
+    void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
+	void release() override;
+
+	void child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) override;
+
+	void set(SPAttr key, char const* value) override;
+
+	void update(SPCtx* ctx, unsigned int flags) override;
+	void modified(unsigned int flags) override;
+
+	Inkscape::XML::Node* write(Inkscape::XML::Document* doc, Inkscape::XML::Node* repr, unsigned int flags) override;
+};
+
+MAKE_SP_OBJECT_TYPECHECK_FUNCTIONS(SP_IS_CLIPPATH, SPClipPath)
+
+class SPClipPathReference : public Inkscape::URIReference {
+public:
+    SPClipPathReference(SPObject *obj) : URIReference(obj) {}
+    SPClipPath *getObject() const {
+        return static_cast<SPClipPath *>(URIReference::getObject());
+    }
+
+protected:
+    /**
+     * If the owner element of this reference (the element with <... clippath="...">)
+     * is a child of the clippath it refers to, return false.
+     * \return false if obj is not a clippath or if obj is a parent of this
+     *         reference's owner element.  True otherwise.
+     */
+    bool _acceptObject(SPObject *obj) const override {
+        if (!SP_IS_CLIPPATH(obj)) {
+            return false;
+        }
+        SPObject * const owner = this->getOwner();
+        if (!URIReference::_acceptObject(obj)) {
+            //XML Tree being used directly here while it shouldn't be...
+            Inkscape::XML::Node * const owner_repr = owner->getRepr();
+            //XML Tree being used directly here while it shouldn't be...
+            Inkscape::XML::Node * const obj_repr = obj->getRepr();
+            char const * owner_name = "";
+            char const * owner_clippath = "";
+            char const * obj_name = "";
+            char const * obj_id = "";
+            if (owner_repr != nullptr) {
+                owner_name = owner_repr->name();
+                owner_clippath = owner_repr->attribute("clippath");
+            }
+            if (obj_repr != nullptr) {
+                obj_name = obj_repr->name();
+                obj_id = obj_repr->attribute("id");
+            }
+            printf("WARNING: Ignoring recursive clippath reference "
+                      "<%s clippath=\"%s\"> in <%s id=\"%s\">",
+                      owner_name, owner_clippath,
+                      obj_name, obj_id);
+            return false;
+        }
+        return true;
+    }
+};
+
+#endif // SEEN_SP_CLIPPATH_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 :