1 files changed, 77 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/clockwipe.cxx b/slideshow/source/engine/transitions/clockwipe.cxx
new file mode 100644
index 000000000000..dbcf59abb1f6
--- /dev/null
+++ b/slideshow/source/engine/transitions/clockwipe.cxx
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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/point/b2dpoint.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include "clockwipe.hxx"
+
+
+namespace slideshow {
+namespace internal {
+
+::basegfx::B2DPolygon ClockWipe::calcCenteredClock( double t, double e )
+{
+    ::basegfx::B2DPolygon poly;
+    ::basegfx::B2DHomMatrix aTransform;
+    aTransform.rotate( t * 2.0 * M_PI );
+    const double MAX_EDGE = 2.0;
+    ::basegfx::B2DPoint p( 0.0, -MAX_EDGE );
+    p *= aTransform;
+    poly.append( p );
+    if (t >= 0.875)
+        poly.append( ::basegfx::B2DPoint( -e, -e ) );
+    if (t >= 0.625)
+        poly.append( ::basegfx::B2DPoint( -e, e ) );
+    if (t >= 0.375)
+        poly.append( ::basegfx::B2DPoint( e, e ) );
+    if (t >= 0.125)
+        poly.append( ::basegfx::B2DPoint( e, -e ) );
+    poly.append( ::basegfx::B2DPoint( 0.0, -e ) );
+    poly.append( ::basegfx::B2DPoint( 0.0, 0.0 ) );
+    poly.setClosed(true);
+    return poly;
+}
+
+::basegfx::B2DPolyPolygon ClockWipe::operator () ( double t )
+{
+    const basegfx::B2DHomMatrix aTransform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
+    ::basegfx::B2DPolygon poly( calcCenteredClock(t) );
+    poly.transform( aTransform );
+    return ::basegfx::B2DPolyPolygon(poly);
+}
+
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */