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 // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_slideshow.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #include <canvas/debug.hxx>
28*b1cdbd2cSJim Jagielski #include <basegfx/matrix/b2dhommatrix.hxx>
29*b1cdbd2cSJim Jagielski #include <basegfx/point/b2dpoint.hxx>
30*b1cdbd2cSJim Jagielski #include <basegfx/numeric/ftools.hxx>
31*b1cdbd2cSJim Jagielski #include <basegfx/matrix/b2dhommatrixtools.hxx>
32*b1cdbd2cSJim Jagielski #include "transitiontools.hxx"
33*b1cdbd2cSJim Jagielski #include "zigzagwipe.hxx"
34*b1cdbd2cSJim Jagielski
35*b1cdbd2cSJim Jagielski
36*b1cdbd2cSJim Jagielski namespace slideshow {
37*b1cdbd2cSJim Jagielski namespace internal {
38*b1cdbd2cSJim Jagielski
ZigZagWipe(sal_Int32 nZigs)39*b1cdbd2cSJim Jagielski ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs )
40*b1cdbd2cSJim Jagielski {
41*b1cdbd2cSJim Jagielski const double d = m_zigEdge;
42*b1cdbd2cSJim Jagielski const double d2 = (d / 2.0);
43*b1cdbd2cSJim Jagielski m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) );
44*b1cdbd2cSJim Jagielski m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) );
45*b1cdbd2cSJim Jagielski m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) );
46*b1cdbd2cSJim Jagielski for ( sal_Int32 pos = (nZigs + 2); pos--; ) {
47*b1cdbd2cSJim Jagielski m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) );
48*b1cdbd2cSJim Jagielski m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) );
49*b1cdbd2cSJim Jagielski }
50*b1cdbd2cSJim Jagielski m_stdZigZag.setClosed(true);
51*b1cdbd2cSJim Jagielski }
52*b1cdbd2cSJim Jagielski
operator ()(double t)53*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t )
54*b1cdbd2cSJim Jagielski {
55*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon res(m_stdZigZag);
56*b1cdbd2cSJim Jagielski res.transform(basegfx::tools::createTranslateB2DHomMatrix((1.0 + m_zigEdge) * t, 0.0));
57*b1cdbd2cSJim Jagielski return res;
58*b1cdbd2cSJim Jagielski }
59*b1cdbd2cSJim Jagielski
operator ()(double t)60*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t )
61*b1cdbd2cSJim Jagielski {
62*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon res( createUnitRect() );
63*b1cdbd2cSJim Jagielski ::basegfx::B2DPolygon poly( m_stdZigZag );
64*b1cdbd2cSJim Jagielski poly.flip();
65*b1cdbd2cSJim Jagielski basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(
66*b1cdbd2cSJim Jagielski (1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0));
67*b1cdbd2cSJim Jagielski poly.transform( aTransform );
68*b1cdbd2cSJim Jagielski res.append( poly );
69*b1cdbd2cSJim Jagielski aTransform.scale( -1.0, 1.0 );
70*b1cdbd2cSJim Jagielski aTransform.translate( 1.0, m_zigEdge / 2.0 );
71*b1cdbd2cSJim Jagielski poly = m_stdZigZag;
72*b1cdbd2cSJim Jagielski poly.transform( aTransform );
73*b1cdbd2cSJim Jagielski res.append( poly );
74*b1cdbd2cSJim Jagielski return res;
75*b1cdbd2cSJim Jagielski }
76*b1cdbd2cSJim Jagielski
77*b1cdbd2cSJim Jagielski }
78*b1cdbd2cSJim Jagielski }
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