1 files changed, 58 insertions, 0 deletions
diff --git a/vcl/source/bitmap/bitmapfilter.cxx b/vcl/source/bitmap/bitmapfilter.cxx
new file mode 100644
index 000000000..f2020539e
--- /dev/null
+++ b/vcl/source/bitmap/bitmapfilter.cxx
@@ -0,0 +1,58 @@
+/* -*- 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/.
+ *
+ */
+
+#include <vcl/BitmapFilter.hxx>
+#include <vcl/animate/Animation.hxx>
+
+#include <sal/log.hxx>
+
+BitmapFilter::BitmapFilter() {}
+
+BitmapFilter::~BitmapFilter() {}
+
+bool BitmapFilter::Filter(BitmapEx& rBmpEx, BitmapFilter const& rFilter)
+{
+    BitmapEx aTmpBmpEx(rFilter.execute(rBmpEx));
+
+    if (aTmpBmpEx.IsEmpty())
+    {
+        SAL_WARN("vcl.gdi", "Bitmap filter failed " << typeid(rFilter).name());
+        return false;
+    }
+
+    rBmpEx = aTmpBmpEx;
+    return true;
+}
+
+bool BitmapFilter::Filter(Animation& rAnimation, BitmapFilter const& rFilter)
+{
+    SAL_WARN_IF(rAnimation.IsInAnimation(), "vcl", "Animation modified while it is animated");
+
+    bool bRet = false;
+
+    if (!rAnimation.IsInAnimation() && !rAnimation.Count())
+    {
+        bRet = true;
+
+        std::vector<std::unique_ptr<AnimationBitmap>>& aList = rAnimation.GetAnimationFrames();
+        for (size_t i = 0, n = aList.size(); (i < n) && bRet; ++i)
+        {
+            bRet = BitmapFilter::Filter(aList[i]->maBitmapEx, rFilter);
+        }
+
+        BitmapEx aBmpEx(rAnimation.GetBitmapEx());
+        BitmapFilter::Filter(aBmpEx, rFilter);
+        rAnimation.SetBitmapEx(aBmpEx);
+    }
+
+    return bRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */