1 files changed, 82 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/zigzagwipe.cxx b/slideshow/source/engine/transitions/zigzagwipe.cxx
new file mode 100644
index 000000000000..478024999c61
--- /dev/null
+++ b/slideshow/source/engine/transitions/zigzagwipe.cxx
@@ -0,0 +1,82 @@
+/*************************************************************************
+ *
+ * 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 "transitiontools.hxx"
+#include "zigzagwipe.hxx"
+
+
+namespace slideshow {
+namespace internal {
+
+ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs )
+{
+    const double d = m_zigEdge;
+    const double d2 = (d / 2.0);
+    m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) );
+    m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) );
+    m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) );
+    for ( sal_Int32 pos = (nZigs + 2); pos--; ) {
+        m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) );
+        m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) );
+    }
+    m_stdZigZag.setClosed(true);
+}
+
+::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t )
+{
+    ::basegfx::B2DPolyPolygon res(m_stdZigZag);
+    res.transform(basegfx::tools::createTranslateB2DHomMatrix((1.0 + m_zigEdge) * t, 0.0));
+    return res;
+}
+
+::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t )
+{
+    ::basegfx::B2DPolyPolygon res( createUnitRect() );
+    ::basegfx::B2DPolygon poly( m_stdZigZag );
+    poly.flip();
+    basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(
+        (1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0));
+    poly.transform( aTransform );
+    res.append( poly );
+    aTransform.scale( -1.0, 1.0 );
+    aTransform.translate( 1.0, m_zigEdge / 2.0 );
+    poly = m_stdZigZag;
+    poly.transform( aTransform );
+    res.append( poly );
+    return res;
+}
+
+}
+}