1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_slideshow.hxx"
26
27 #include <canvas/debug.hxx>
28 #include <basegfx/matrix/b2dhommatrix.hxx>
29 #include <basegfx/numeric/ftools.hxx>
30 #include <basegfx/matrix/b2dhommatrixtools.hxx>
31 #include "clockwipe.hxx"
32 #include "sweepwipe.hxx"
33 #include "transitiontools.hxx"
34
35
36 namespace slideshow {
37 namespace internal {
38
operator ()(double t)39 ::basegfx::B2DPolyPolygon SweepWipe::operator () ( double t )
40 {
41 t /= 2.0;
42 if (! m_center)
43 t /= 2.0;
44 if (!m_single && !m_oppositeVertical)
45 t /= 2.0;
46
47 ::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( 0.25 + t ) );
48 ::basegfx::B2DHomMatrix aTransform;
49
50 if (m_center)
51 {
52 aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.0);
53 poly.transform( aTransform );
54 }
55 ::basegfx::B2DPolyPolygon res(poly);
56
57 if (! m_single)
58 {
59 if (m_oppositeVertical)
60 {
61 aTransform = basegfx::tools::createScaleB2DHomMatrix(1.0, -1.0);
62 aTransform.translate( 0.0, 1.0 );
63 poly.transform( aTransform );
64 poly.flip();
65 }
66 else
67 {
68 aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
69 aTransform.rotate( M_PI );
70 aTransform.translate( 0.5, 0.5 );
71 poly.transform( aTransform );
72 }
73 res.append(poly);
74 }
75
76 return m_flipOnYAxis ? flipOnYAxis(res) : res;
77 }
78
79 }
80 }
81