1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski  *
13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski  * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski  * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski  * under the License.
19*b1cdbd2cSJim Jagielski  *
20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski 
23*b1cdbd2cSJim Jagielski 
24*b1cdbd2cSJim Jagielski #if ! defined INCLUDED_SLIDESHOW_SNAKEWIPE_HXX
25*b1cdbd2cSJim Jagielski #define INCLUDED_SLIDESHOW_SNAKEWIPE_HXX
26*b1cdbd2cSJim Jagielski 
27*b1cdbd2cSJim Jagielski #include "parametricpolypolygon.hxx"
28*b1cdbd2cSJim Jagielski 
29*b1cdbd2cSJim Jagielski #include <basegfx/numeric/ftools.hxx>
30*b1cdbd2cSJim Jagielski #include <basegfx/point/b2dpoint.hxx>
31*b1cdbd2cSJim Jagielski 
32*b1cdbd2cSJim Jagielski 
33*b1cdbd2cSJim Jagielski namespace slideshow {
34*b1cdbd2cSJim Jagielski namespace internal {
35*b1cdbd2cSJim Jagielski 
36*b1cdbd2cSJim Jagielski /// Generates a snake wipe:
37*b1cdbd2cSJim Jagielski class SnakeWipe : public ParametricPolyPolygon
38*b1cdbd2cSJim Jagielski {
39*b1cdbd2cSJim Jagielski public:
40*b1cdbd2cSJim Jagielski     SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis );
41*b1cdbd2cSJim Jagielski     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
42*b1cdbd2cSJim Jagielski 
43*b1cdbd2cSJim Jagielski protected:
44*b1cdbd2cSJim Jagielski     // topLeftHorizontal:
45*b1cdbd2cSJim Jagielski     ::basegfx::B2DPolyPolygon calcSnake( double t ) const;
46*b1cdbd2cSJim Jagielski     // topLeftDiagonal:
47*b1cdbd2cSJim Jagielski     ::basegfx::B2DPolyPolygon calcHalfDiagonalSnake( double t, bool in ) const;
48*b1cdbd2cSJim Jagielski 
49*b1cdbd2cSJim Jagielski     const sal_Int32 m_sqrtElements;
50*b1cdbd2cSJim Jagielski     const double m_elementEdge;
51*b1cdbd2cSJim Jagielski     const bool m_diagonal;
52*b1cdbd2cSJim Jagielski     const bool m_flipOnYAxis;
53*b1cdbd2cSJim Jagielski };
54*b1cdbd2cSJim Jagielski 
55*b1cdbd2cSJim Jagielski /// Generates a parallel snakes wipe:
56*b1cdbd2cSJim Jagielski class ParallelSnakesWipe : public SnakeWipe
57*b1cdbd2cSJim Jagielski {
58*b1cdbd2cSJim Jagielski public:
ParallelSnakesWipe(sal_Int32 nElements,bool diagonal,bool flipOnYAxis,bool opposite)59*b1cdbd2cSJim Jagielski     ParallelSnakesWipe( sal_Int32 nElements,
60*b1cdbd2cSJim Jagielski                         bool diagonal, bool flipOnYAxis, bool opposite )
61*b1cdbd2cSJim Jagielski         : SnakeWipe( nElements, diagonal, flipOnYAxis ),
62*b1cdbd2cSJim Jagielski           m_opposite( opposite )
63*b1cdbd2cSJim Jagielski         {}
64*b1cdbd2cSJim Jagielski     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
65*b1cdbd2cSJim Jagielski private:
66*b1cdbd2cSJim Jagielski     const bool m_opposite;
67*b1cdbd2cSJim Jagielski };
68*b1cdbd2cSJim Jagielski 
69*b1cdbd2cSJim Jagielski }
70*b1cdbd2cSJim Jagielski }
71*b1cdbd2cSJim Jagielski 
72*b1cdbd2cSJim Jagielski #endif /* INCLUDED_SLIDESHOW_SNAKEWIPE_HXX */
73