fix baseline build (old cairo) - 'cairo_rectangle_int_t' does not name a type
[LibreOffice.git] / slideshow / source / inc / hslcoloranimation.hxx
blob5efc57e062331ed490f7c44b2abf9f0c99ff5c25
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
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14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
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20 #ifndef INCLUDED_SLIDESHOW_SOURCE_INC_HSLCOLORANIMATION_HXX
21 #define INCLUDED_SLIDESHOW_SOURCE_INC_HSLCOLORANIMATION_HXX
23 #include "animation.hxx"
24 #include "hslcolor.hxx"
27 /* Definition of HSLColorAnimation interface */
29 namespace slideshow
31 namespace internal
33 /** Interface defining a HSL color animation.
35 This interface is a specialization of the Animation
36 interface, and is used to animate attributes representable
37 by a HSL color value.
39 class HSLColorAnimation : public Animation
41 public:
42 typedef HSLColor ValueType;
44 /** Set the animation to the given color value
46 @param rColor
47 Current animation value.
49 virtual bool operator()( const ValueType& rColor ) = 0;
51 /** Request the underlying value for this animation.
53 This is necessary for pure To or By animations, as the
54 Activity cannot determine a sensible start value
55 otherwise.
57 @attention Note that you are only permitted to query
58 for the underlying value, if the animation has actually
59 been started (via start() call).
61 virtual ValueType getUnderlyingValue() const = 0;
64 typedef ::boost::shared_ptr< HSLColorAnimation > HSLColorAnimationSharedPtr;
69 #endif // INCLUDED_SLIDESHOW_SOURCE_INC_HSLCOLORANIMATION_HXX
71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */