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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /slideshow/source/inc/numberanimation.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | slideshow/source/inc/numberanimation.hxx | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/slideshow/source/inc/numberanimation.hxx b/slideshow/source/inc/numberanimation.hxx new file mode 100644 index 000000000..e35769e97 --- /dev/null +++ b/slideshow/source/inc/numberanimation.hxx @@ -0,0 +1,70 @@ +/* -*- 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_INC_NUMBERANIMATION_HXX +#define INCLUDED_SLIDESHOW_SOURCE_INC_NUMBERANIMATION_HXX + +#include "animation.hxx" + + +/* Definition of NumberAnimation interface */ + +namespace slideshow::internal + { + /** Interface defining a number animation. + + This interface is a specialization of the Animation + interface, and is used to animate attributes representable + by a single floating point value. + */ + class NumberAnimation : public Animation + { + public: + typedef double ValueType; + + /** Set the animation to value x + + @param x + Current animation value (must be in an + attribute-specific permissible range). Overflowing + values will be clipped to the permissible range + internally. + */ + virtual bool operator()( double x ) = 0; + + /** Request the underlying value for this animation. + + This is necessary for pure To or By animations, as the + Activity cannot determine a sensible start value + otherwise. + + @attention Note that you are only permitted to query + for the underlying value, if the animation has actually + been started (via start() call). + */ + virtual double getUnderlyingValue() const = 0; + }; + + typedef ::std::shared_ptr< NumberAnimation > NumberAnimationSharedPtr; + +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_INC_NUMBERANIMATION_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |