1 files changed, 36 insertions, 0 deletions
diff --git a/include/vcl/BitmapConvolutionMatrixFilter.hxx b/include/vcl/BitmapConvolutionMatrixFilter.hxx
new file mode 100644
index 000000000..a504ff0ee
--- /dev/null
+++ b/include/vcl/BitmapConvolutionMatrixFilter.hxx
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_BITMAPCONVOLUTIONMATRIXFILTER_HXX
+#define INCLUDED_VCL_BITMAPCONVOLUTIONMATRIXFILTER_HXX
+
+#include <vcl/BitmapFilter.hxx>
+
+class BitmapEx;
+
+/** Filter image based on a 3x3 convolution matrix
+ */
+class VCL_DLLPUBLIC BitmapConvolutionMatrixFilter : public BitmapFilter
+{
+public:
+    BitmapConvolutionMatrixFilter(const sal_Int32 (&rMatrix)[9])
+        : mrMatrix(rMatrix)
+    {
+    }
+
+    virtual BitmapEx execute(BitmapEx const& rBitmapEx) const override;
+
+private:
+    const sal_Int32 (&mrMatrix)[9];
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */