Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/include/vcl/BitmapSimpleColorQuantizationFilter.hxx b/include/vcl/BitmapSimpleColorQuantizationFilter.hxx
new file mode 100644
index 000000000..7e306e051
--- /dev/null
+++ b/include/vcl/BitmapSimpleColorQuantizationFilter.hxx
@@ -0,0 +1,37 @@
+/* -*- 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_INCLUDE_VCL_BITMAPSIMPLECOLORQUANTIZATIONFILTER_HXX
+#define INCLUDED_INCLUDE_VCL_BITMAPSIMPLECOLORQUANTIZATIONFILTER_HXX
+
+#include <vcl/BitmapFilter.hxx>
+
+class VCL_DLLPUBLIC BitmapSimpleColorQuantizationFilter final : public BitmapFilter
+{
+public:
+    /** Reduce number of colors for the bitmap using the POPULAR algorithm
+
+        @param nNewColorCount
+        Maximal number of bitmap colors after the reduce operation
+     */
+    BitmapSimpleColorQuantizationFilter(sal_uInt16 nNewColorCount)
+        : mnNewColorCount(nNewColorCount)
+    {
+    }
+
+    virtual BitmapEx execute(BitmapEx const& rBitmapEx) const override;
+
+private:
+    sal_uInt16 mnNewColorCount;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */