1 files changed, 60 insertions, 0 deletions
diff --git a/src/display/nr-filter-displacement-map.h b/src/display/nr-filter-displacement-map.h
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+++ b/src/display/nr-filter-displacement-map.h
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_NR_FILTER_DISPLACEMENT_MAP_H
+#define SEEN_NR_FILTER_DISPLACEMENT_MAP_H
+
+/*
+ * feDisplacementMap filter primitive renderer
+ *
+ * Authors:
+ *   Felipe Corrêa da Silva Sanches <juca@members.fsf.org>
+ *
+ * Copyright (C) 2007 authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "object/filters/displacementmap.h"
+#include "display/nr-filter-primitive.h"
+#include "display/nr-filter-slot.h"
+#include "display/nr-filter-units.h"
+
+namespace Inkscape {
+namespace Filters {
+
+class FilterDisplacementMap : public FilterPrimitive {
+public:
+    FilterDisplacementMap();
+    static FilterPrimitive *create();
+    ~FilterDisplacementMap() override;
+
+    void render_cairo(FilterSlot &slot) override;
+    void area_enlarge(Geom::IntRect &area, Geom::Affine const &trans) override;
+    double complexity(Geom::Affine const &ctm) override;
+
+    void set_input(int slot) override;
+    void set_input(int input, int slot) override;
+    virtual void set_scale(double s);
+    virtual void set_channel_selector(int s, FilterDisplacementMapChannelSelector channel);
+
+    Glib::ustring name() override { return Glib::ustring("Displacement Map"); }
+
+private:
+    double scale;
+    int _input2;
+    unsigned Xchannel, Ychannel;
+};
+
+} /* namespace Filters */
+} /* namespace Inkscape */
+
+#endif /* __NR_FILTER_DISPLACEMENT_MAP_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 :