1 files changed, 102 insertions, 0 deletions
diff --git a/src/object/sp-hatch-path.h b/src/object/sp-hatch-path.h
new file mode 100644
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--- /dev/null
+++ b/src/object/sp-hatch-path.h
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * SVG <hatchPath> implementation
+ */
+/*
+ * Author:
+ *   Tomasz Boczkowski <penginsbacon@gmail.com>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2014 Tomasz Boczkowski
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_SP_HATCH_PATH_H
+#define SEEN_SP_HATCH_PATH_H
+
+#include <list>
+#include <cstddef>
+#include <glibmm/ustring.h>
+#include <sigc++/connection.h>
+#include <2geom/generic-interval.h>
+#include <2geom/pathvector.h>
+
+#include "svg/svg-length.h"
+#include "object/sp-object.h"
+
+class SPCurve;
+
+#include <memory>
+
+namespace Inkscape {
+
+class Drawing;
+class DrawingShape;
+class DrawingItem;
+
+}
+
+class SPHatchPath : public SPObject {
+public:
+    SPHatchPath();
+    ~SPHatchPath() override;
+
+    SVGLength offset;
+
+    bool isValid() const;
+
+    Inkscape::DrawingItem *show(Inkscape::Drawing &drawing, unsigned int key, Geom::OptInterval extents);
+    void hide(unsigned int key);
+
+    void setStripExtents(unsigned int key, Geom::OptInterval const &extents);
+    Geom::Interval bounds() const;
+
+    std::unique_ptr<SPCurve> calculateRenderCurve(unsigned key) const;
+
+protected:
+    void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
+    void release() override;
+    void set(SPAttr key, const gchar* value) override;
+    void update(SPCtx* ctx, unsigned int flags) override;
+
+private:
+    class View {
+    public:
+        View(Inkscape::DrawingShape *arenaitem, int key);
+        //Do not delete arenaitem in destructor.
+
+        ~View();
+
+        Inkscape::DrawingShape *arenaitem;
+        Geom::OptInterval extents;
+        unsigned int key;
+    };
+
+    typedef std::list<SPHatchPath::View>::iterator ViewIterator;
+    typedef std::list<SPHatchPath::View>::const_iterator ConstViewIterator;
+    std::list<View> _display;
+
+    gdouble _repeatLength() const;
+    void _updateView(View &view);
+    std::unique_ptr<SPCurve> _calculateRenderCurve(View const &view) const;
+
+    void _readHatchPathVector(char const *str, Geom::PathVector &pathv, bool &continous_join);
+
+    std::unique_ptr<SPCurve> _curve;
+    bool _continuous;
+};
+
+#endif // SEEN_SP_HATCH_PATH_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 :