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libreoffice/slideshow/source/engine/transitions/transitiontools.cxx

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/*************************************************************************
*
* 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
*
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*
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* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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* 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>
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************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_slideshow.hxx"
#include "transitiontools.hxx"
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
namespace slideshow {
namespace internal {
// TODO(Q2): Move this to basegfx
::basegfx::B2DPolygon createUnitRect()
{
return ::basegfx::tools::createPolygonFromRect(
::basegfx::B2DRectangle(0.0,0.0,
1.0,1.0 ) );
}
::basegfx::B2DPolyPolygon flipOnYAxis(
::basegfx::B2DPolyPolygon const & polypoly )
{
::basegfx::B2DPolyPolygon res(polypoly);
res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(-1.0, 1.0, 1.0, 0.0));
res.flip();
return res;
}
::basegfx::B2DPolyPolygon flipOnXAxis(
::basegfx::B2DPolyPolygon const & polypoly )
{
::basegfx::B2DPolyPolygon res(polypoly);
res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(1.0, -1.0, 0.0, 1.0));
res.flip();
return res;
}
}
}