1 files changed, 76 insertions, 0 deletions
diff --git a/slideshow/source/engine/activities/continuouskeytimeactivitybase.cxx b/slideshow/source/engine/activities/continuouskeytimeactivitybase.cxx
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+++ b/slideshow/source/engine/activities/continuouskeytimeactivitybase.cxx
@@ -0,0 +1,76 @@
+/*************************************************************************
+ *
+ * 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"
+
+// must be first
+#include <canvas/debug.hxx>
+#include <tools/diagnose_ex.h>
+#include <canvas/verbosetrace.hxx>
+
+#include <continuouskeytimeactivitybase.hxx>
+
+#include <boost/tuple/tuple.hpp>
+#include <algorithm>
+#include <iterator>
+
+
+namespace slideshow
+{
+    namespace internal
+    {
+        ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase( const ActivityParameters& rParms ) :
+            SimpleContinuousActivityBase( rParms ),
+            maLerper( rParms.maDiscreteTimes )
+        {
+            ENSURE_OR_THROW( rParms.maDiscreteTimes.size() > 1,
+                              "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector must have two entries or more" );
+            ENSURE_OR_THROW( rParms.maDiscreteTimes.front() == 0.0,
+                              "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector first entry must be zero" );
+            ENSURE_OR_THROW( rParms.maDiscreteTimes.back() <= 1.0,
+                              "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector last entry must be less or equal 1" );
+        }
+
+        void ContinuousKeyTimeActivityBase::simplePerform( double       nSimpleTime,
+                                                           sal_uInt32   nRepeatCount ) const
+        {
+            // calc simple time from global time - sweep through the
+            // array multiple times for repeated animations (according to
+            // SMIL spec).
+            double fAlpha( calcAcceleratedTime( nSimpleTime ) );
+            std::ptrdiff_t nIndex;
+
+            boost::tuples::tie(nIndex,fAlpha) = maLerper.lerp(fAlpha);
+
+            perform(
+                nIndex,
+                fAlpha,
+                nRepeatCount );
+        }
+    }
+}