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