1 files changed, 59 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/pinwheelwipe.cxx b/slideshow/source/engine/transitions/pinwheelwipe.cxx
new file mode 100644
index 000000000000..7cd5b91006c3
--- /dev/null
+++ b/slideshow/source/engine/transitions/pinwheelwipe.cxx
@@ -0,0 +1,59 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_slideshow.hxx"
+
+#include <canvas/debug.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include "clockwipe.hxx"
+#include "pinwheelwipe.hxx"
+
+
+namespace slideshow {
+namespace internal {
+
+::basegfx::B2DPolyPolygon PinWheelWipe::operator () ( double t )
+{
+    ::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock(
+                                    t / m_blades,
+                                    2.0 /* max edge when rotating */ ) );
+    ::basegfx::B2DPolyPolygon res;
+    for ( sal_Int32 i = m_blades; i--; )
+    {
+        ::basegfx::B2DPolygon p(poly);
+        p.transform(basegfx::tools::createRotateB2DHomMatrix((i * 2.0 * M_PI) / m_blades));
+        res.append( p );
+    }
+    res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
+    return res;
+}
+
+}
+}