1 files changed, 85 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/fourboxwipe.cxx b/slideshow/source/engine/transitions/fourboxwipe.cxx
new file mode 100644
index 000000000000..e003d2435f36
--- /dev/null
+++ b/slideshow/source/engine/transitions/fourboxwipe.cxx
@@ -0,0 +1,85 @@
+/*************************************************************************
+ *
+ * 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/polygon/b2dpolypolygon.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include "fourboxwipe.hxx"
+
+
+namespace slideshow {
+namespace internal {
+
+::basegfx::B2DPolyPolygon FourBoxWipe::operator () ( double t )
+{
+    ::basegfx::B2DHomMatrix aTransform;
+    const double d = ::basegfx::pruneScaleValue( t / 2.0 );
+    if (m_cornersOut)
+    {
+        aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
+        aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.25, -0.25)
+            * aTransform;
+    }
+    else
+    {
+        aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.5, -0.5);
+    }
+
+    // top left:
+    ::basegfx::B2DPolygon square( m_unitRect );
+    square.transform( aTransform );
+    ::basegfx::B2DPolyPolygon res( square );
+    // bottom left, flip on x-axis:
+    aTransform.scale( -1.0, 1.0 );
+    ::basegfx::B2DPolygon square2( m_unitRect );
+    square2.transform( aTransform );
+    square2.flip(); // flip direction
+    res.append( square2 );
+    // bottom right, flip on y-axis:
+    aTransform.scale( 1.0, -1.0 );
+    ::basegfx::B2DPolygon square3( m_unitRect );
+    square3.transform( aTransform );
+    res.append( square3 );
+    // top right, flip on x-axis:
+    aTransform.scale( -1.0, 1.0 );
+    ::basegfx::B2DPolygon square4( m_unitRect );
+    square4.transform( aTransform );
+    square4.flip(); // flip direction
+    res.append( square4 );
+
+    aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.5);
+    res.transform( aTransform );
+    return res;
+}
+
+}
+}