1 files changed, 57 insertions, 0 deletions
diff --git a/src/trace/filterset.h b/src/trace/filterset.h
new file mode 100644
index 0000000..d8da650
--- /dev/null
+++ b/src/trace/filterset.h
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Some filters for Potrace in Inkscape
+ *
+ * Authors:
+ *   Bob Jamison <rjamison@titan.com>
+ *   Stéphane Gimenez <dev@gim.name>
+ *
+ * Copyright (C) 2004-2006 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef __FILTERSET_H__
+#define __FILTERSET_H__
+
+#include "imagemap.h"
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  Apply gaussian blur to an GrayMap
+ */
+GrayMap *grayMapGaussian(GrayMap *gmap);
+
+/**
+ *  Apply gaussian bluf to an RgbMap
+ */
+RgbMap *rgbMapGaussian(RgbMap *rgbmap);
+
+/**
+ *
+ */
+GrayMap *grayMapCanny(GrayMap *gmap,
+             double lowThreshold, double highThreshold);
+
+/**
+ *
+ */
+GrayMap *quantizeBand(RgbMap *rgbmap, int nrColors);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* __FILTERSET_H__ */
+
+/*#########################################################################
+### E N D    O F    F I L E
+#########################################################################*/