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/matrix/b2dhommatrixtools.hxx>
30 #include "transitiontools.hxx"
31 #include "clockwipe.hxx"
32 #include "fanwipe.hxx"
33
34
35 namespace slideshow {
36 namespace internal {
37
operator ()(double t)38 ::basegfx::B2DPolyPolygon FanWipe::operator () ( double t )
39 {
40 ::basegfx::B2DPolyPolygon res;
41 ::basegfx::B2DPolygon poly(
42 ClockWipe::calcCenteredClock(
43 t / ((m_center && m_single) ? 2.0 : 4.0) ) );
44
45 res.append( poly );
46 // flip on y-axis:
47 poly.transform(basegfx::tools::createScaleB2DHomMatrix(-1.0, 1.0));
48 poly.flip();
49 res.append( poly );
50
51 if (m_center)
52 {
53 res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
54
55 if (! m_single)
56 res.append( flipOnXAxis(res) );
57 }
58 else
59 {
60 OSL_ASSERT( ! m_fanIn );
61 res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 1.0, 0.5, 1.0));
62 }
63 return res;
64 }
65
66 }
67 }
68
69