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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 SD_SLIDESORTER_CONTROLLER_ANIMATION_FUNCTION_HXX
21 : #define SD_SLIDESORTER_CONTROLLER_ANIMATION_FUNCTION_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 <tools/gen.hxx>
28 : #include <vector>
29 :
30 : namespace sd { namespace slidesorter { namespace view {
31 : class SlideSorterView;
32 : } } }
33 :
34 :
35 :
36 : namespace sd { namespace slidesorter { namespace controller {
37 :
38 : class AnimationBezierFunction
39 : {
40 : public:
41 : /** Create a cubic bezier curve whose start and end points are given
42 : implicitly as P0=(0,0) and P3=(1,1). The second control point is
43 : implicitly given as P2=(1-nY1,1-nX1).
44 : */
45 : AnimationBezierFunction (
46 : const double nX1,
47 : const double nY1);
48 :
49 : ::basegfx::B2DPoint operator() (const double nT);
50 :
51 : private:
52 : const double mnX1;
53 : const double mnY1;
54 : const double mnX2;
55 : const double mnY2;
56 :
57 : double EvaluateComponent (
58 : const double nT,
59 : const double nV1,
60 : const double nV2);
61 : };
62 :
63 :
64 :
65 :
66 : /** Turn a parametric function into one whose y-Values depend on its
67 : x-Values. Note a lot of interpolation takes place. The resulting
68 : accuracy should be good enough for the purpose of acceleration
69 : function for animations.
70 : */
71 0 : class AnimationParametricFunction
72 : {
73 : public:
74 : typedef ::boost::function<basegfx::B2DPoint(double)> ParametricFunction;
75 : AnimationParametricFunction (const ParametricFunction& rFunction);
76 :
77 : double operator() (const double nX);
78 :
79 : private:
80 : /** y-Values of the parametric function given to the constructor
81 : evaluated (and interpolated) for evenly spaced x-Values.
82 : */
83 : ::std::vector<double> maY;
84 : };
85 :
86 :
87 :
88 :
89 : } } } // end of namespace ::sd::slidesorter::controller
90 :
91 : #endif
92 :
93 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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