1 files changed, 115 insertions, 0 deletions
diff --git a/src/object/sp-marker.h b/src/object/sp-marker.h
new file mode 100644
index 0000000..8c358ca
--- /dev/null
+++ b/src/object/sp-marker.h
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_MARKER_H
+#define SEEN_SP_MARKER_H
+
+/*
+ * SVG <marker> implementation
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 1999-2003 Lauris Kaplinski
+ * Copyright (C) 2008      Johan Engelen
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+/*
+ * This is quite similar in logic to <svg>
+ * Maybe we should merge them somehow (Lauris)
+ */
+
+class SPMarkerView;
+
+#include <map>
+
+#include <2geom/rect.h>
+#include <2geom/affine.h>
+
+#include "enums.h"
+#include "svg/svg-length.h"
+#include "svg/svg-angle.h"
+#include "sp-item-group.h"
+#include "uri-references.h"
+#include "viewbox.h"
+
+enum markerOrient {
+  MARKER_ORIENT_ANGLE,
+  MARKER_ORIENT_AUTO,
+  MARKER_ORIENT_AUTO_START_REVERSE
+};
+
+class SPMarker : public SPGroup, public SPViewBox {
+public:
+	SPMarker();
+	~SPMarker() override;
+
+	/* units */
+	unsigned int markerUnits_set : 1;
+	unsigned int markerUnits : 1;
+
+	/* reference point */
+	SVGLength refX;
+	SVGLength refY;
+
+	/* dimensions */
+	SVGLength markerWidth;
+	SVGLength markerHeight;
+
+	/* orient */
+	unsigned int orient_set : 1;
+	markerOrient orient_mode : 2;
+	SVGAngle orient;
+
+	/* Private views indexed by key that corresponds to a
+	 * particular marker type (start, mid, end) on a particular
+	 * path. SPMarkerView is a wrapper for a vector of pointers to
+	 * Inkscape::DrawingItem instances, one pointer for each
+	 * rendered marker.
+	 */
+	std::map<unsigned int, SPMarkerView> views_map;
+
+	void build(SPDocument *document, Inkscape::XML::Node *repr) override;
+	void release() override;
+	void set(SPAttr key, gchar const* value) override;
+	void update(SPCtx *ctx, guint flags) override;
+	Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) override;
+
+	Inkscape::DrawingItem* show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) override;
+	virtual Inkscape::DrawingItem* private_show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags);
+	void hide(unsigned int key) override;
+
+	Geom::OptRect bbox(Geom::Affine const &transform, SPItem::BBoxType type) const override;
+	void print(SPPrintContext *ctx) override;
+};
+
+MAKE_SP_OBJECT_DOWNCAST_FUNCTIONS(SP_MARKER, SPMarker)
+MAKE_SP_OBJECT_TYPECHECK_FUNCTIONS(SP_IS_MARKER, SPMarker)
+
+class SPMarkerReference : public Inkscape::URIReference {
+	SPMarkerReference(SPObject *obj) : URIReference(obj) {}
+	SPMarker *getObject() const {
+		return static_cast<SPMarker *>(URIReference::getObject());
+	}
+protected:
+	bool _acceptObject(SPObject *obj) const override {
+		return SP_IS_MARKER(obj) && URIReference::_acceptObject(obj);
+	}
+};
+
+void sp_validate_marker(SPMarker *sp_marker, SPDocument *doc);
+void sp_marker_show_dimension (SPMarker *marker, unsigned int key, unsigned int size);
+Inkscape::DrawingItem *sp_marker_show_instance (SPMarker *marker, Inkscape::DrawingItem *parent,
+				      unsigned int key, unsigned int pos,
+				      Geom::Affine const &base, float linewidth);
+void sp_marker_hide (SPMarker *marker, unsigned int key);
+const char *generate_marker (std::vector<Inkscape::XML::Node*> &reprs, Geom::Rect bounds, SPDocument *document, Geom::Point center, Geom::Affine move);
+SPObject *sp_marker_fork_if_necessary(SPObject *marker);
+
+void sp_marker_set_orient(SPMarker* marker, const char* value);
+void sp_marker_set_size(SPMarker* marker, double sx, double sy);
+void sp_marker_scale_with_stroke(SPMarker* marker, bool scale_with_stroke);
+void sp_marker_set_offset(SPMarker* marker, double dx, double dy);
+void sp_marker_set_uniform_scale(SPMarker* marker, bool uniform);
+void sp_marker_flip_horizontally(SPMarker* marker);
+
+#endif