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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/source/engine/transitions/clippingfunctor.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | slideshow/source/engine/transitions/clippingfunctor.hxx | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/clippingfunctor.hxx b/slideshow/source/engine/transitions/clippingfunctor.hxx new file mode 100644 index 000000000..bc3e7b61a --- /dev/null +++ b/slideshow/source/engine/transitions/clippingfunctor.hxx @@ -0,0 +1,87 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_CLIPPINGFUNCTOR_HXX +#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_CLIPPINGFUNCTOR_HXX + +#include <basegfx/vector/b2dsize.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <transitioninfo.hxx> +#include "parametricpolypolygon.hxx" + + +namespace slideshow +{ + namespace internal + { + /** Generates the final clipping polygon. + + This class serves as the functor, which generates the + final clipping polygon from a given ParametricPolyPolygon + and a TransitionInfo. + + The ParametricPolyPolygon can be obtained from the + ParametricPolyPolygonFactory, see there. + + The TransitionInfo further parametrizes the polygon + generated by the ParametricPolyPolygon, with common + modifications such as rotation, flipping, or change of + direction. This allows the ParametricPolyPolygonFactory to + provide only prototypical shapes, with the ClippingFunctor + further customizing the output. + */ + class ClippingFunctor + { + public: + ClippingFunctor( + const ParametricPolyPolygonSharedPtr& rPolygon, + const TransitionInfo& rTransitionInfo, + bool bDirectionForward, + bool bModeIn ); + + /** Generate clip polygon. + + @param nValue + Value to generate the polygon for. Must be in the + range [0,1]. + + @param rTargetSize + Size the clip polygon should cover. This is typically + the size of the object the effect is applied on. + */ + ::basegfx::B2DPolyPolygon operator()( double nValue, + const ::basegfx::B2DSize& rTargetSize ); + + private: + ParametricPolyPolygonSharedPtr mpParametricPoly; + ::basegfx::B2DHomMatrix maStaticTransformation; + // AW: Not needed + // ::basegfx::B2DPolyPolygon maBackgroundRect; + bool mbForwardParameterSweep; + bool mbSubtractPolygon; + const bool mbScaleIsotrophically; + bool mbFlip; + }; + + } +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_CLIPPINGFUNCTOR_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |