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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
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/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
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
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_CONTROLLER_SLSANIMATIONFUNCTION_HXX
21 : #define INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_CONTROLLER_SLSANIMATIONFUNCTION_HXX
22 :
23 : #include "model/SlsSharedPageDescriptor.hxx"
24 : #include <basegfx/point/b2dpoint.hxx>
25 : #include <boost/noncopyable.hpp>
26 : #include <boost/function.hpp>
27 : #include <vector>
28 :
29 : namespace sd { namespace slidesorter { namespace view {
30 : class SlideSorterView;
31 : } } }
32 :
33 : namespace sd { namespace slidesorter { namespace controller {
34 :
35 : class AnimationBezierFunction
36 : {
37 : public:
38 : /** Create a cubic bezier curve whose start and end points are given
39 : implicitly as P0=(0,0) and P3=(1,1). The second control point is
40 : implicitly given as P2=(1-nY1,1-nX1).
41 : */
42 : AnimationBezierFunction (
43 : const double nX1,
44 : const double nY1);
45 :
46 : ::basegfx::B2DPoint operator() (const double nT);
47 :
48 : private:
49 : const double mnX1;
50 : const double mnY1;
51 : const double mnX2;
52 : const double mnY2;
53 :
54 : double EvaluateComponent (
55 : const double nT,
56 : const double nV1,
57 : const double nV2);
58 : };
59 :
60 : /** Turn a parametric function into one whose y-Values depend on its
61 : x-Values. Note a lot of interpolation takes place. The resulting
62 : accuracy should be good enough for the purpose of acceleration
63 : function for animations.
64 : */
65 0 : class AnimationParametricFunction
66 : {
67 : public:
68 : typedef ::boost::function<basegfx::B2DPoint(double)> ParametricFunction;
69 : AnimationParametricFunction (const ParametricFunction& rFunction);
70 :
71 : double operator() (const double nX);
72 :
73 : private:
74 : /** y-Values of the parametric function given to the constructor
75 : evaluated (and interpolated) for evenly spaced x-Values.
76 : */
77 : ::std::vector<double> maY;
78 : };
79 :
80 : } } } // end of namespace ::sd::slidesorter::controller
81 :
82 : #endif
83 :
84 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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