diff options
Diffstat (limited to 'slideshow/source/engine/transitions/barndoorwipe.cxx')
-rw-r--r-- | slideshow/source/engine/transitions/barndoorwipe.cxx | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/barndoorwipe.cxx b/slideshow/source/engine/transitions/barndoorwipe.cxx new file mode 100644 index 000000000000..e65e94344854 --- /dev/null +++ b/slideshow/source/engine/transitions/barndoorwipe.cxx @@ -0,0 +1,68 @@ +/* -*- 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/numeric/ftools.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include "barndoorwipe.hxx" + + +namespace slideshow { +namespace internal { + +::basegfx::B2DPolyPolygon BarnDoorWipe::operator () ( double t ) +{ + if (m_doubled) + t /= 2.0; + + basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5)); + aTransform.scale( ::basegfx::pruneScaleValue(t), 1.0 ); + aTransform.translate( 0.5, 0.5 ); + ::basegfx::B2DPolygon poly( m_unitRect ); + poly.transform( aTransform ); + ::basegfx::B2DPolyPolygon res(poly); + + if (m_doubled) { + aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5); + aTransform.rotate( M_PI_2 ); + aTransform.translate( 0.5, 0.5 ); + poly.transform( aTransform ); + res.append(poly); + } + + return res; +} + +} +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |