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/polygon/b2dpolypolygon.hxx>
30*b1cdbd2cSJim Jagielski #include <basegfx/numeric/ftools.hxx>
31*b1cdbd2cSJim Jagielski #include <basegfx/matrix/b2dhommatrixtools.hxx>
32*b1cdbd2cSJim Jagielski #include "fourboxwipe.hxx"
33*b1cdbd2cSJim Jagielski
34*b1cdbd2cSJim Jagielski
35*b1cdbd2cSJim Jagielski namespace slideshow {
36*b1cdbd2cSJim Jagielski namespace internal {
37*b1cdbd2cSJim Jagielski
operator ()(double t)38*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon FourBoxWipe::operator () ( double t )
39*b1cdbd2cSJim Jagielski {
40*b1cdbd2cSJim Jagielski ::basegfx::B2DHomMatrix aTransform;
41*b1cdbd2cSJim Jagielski const double d = ::basegfx::pruneScaleValue( t / 2.0 );
42*b1cdbd2cSJim Jagielski if (m_cornersOut)
43*b1cdbd2cSJim Jagielski {
44*b1cdbd2cSJim Jagielski aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
45*b1cdbd2cSJim Jagielski aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.25, -0.25)
46*b1cdbd2cSJim Jagielski * aTransform;
47*b1cdbd2cSJim Jagielski }
48*b1cdbd2cSJim Jagielski else
49*b1cdbd2cSJim Jagielski {
50*b1cdbd2cSJim Jagielski aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.5, -0.5);
51*b1cdbd2cSJim Jagielski }
52*b1cdbd2cSJim Jagielski
53*b1cdbd2cSJim Jagielski // top left:
54*b1cdbd2cSJim Jagielski ::basegfx::B2DPolygon square( m_unitRect );
55*b1cdbd2cSJim Jagielski square.transform( aTransform );
56*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon res( square );
57*b1cdbd2cSJim Jagielski // bottom left, flip on x-axis:
58*b1cdbd2cSJim Jagielski aTransform.scale( -1.0, 1.0 );
59*b1cdbd2cSJim Jagielski ::basegfx::B2DPolygon square2( m_unitRect );
60*b1cdbd2cSJim Jagielski square2.transform( aTransform );
61*b1cdbd2cSJim Jagielski square2.flip(); // flip direction
62*b1cdbd2cSJim Jagielski res.append( square2 );
63*b1cdbd2cSJim Jagielski // bottom right, flip on y-axis:
64*b1cdbd2cSJim Jagielski aTransform.scale( 1.0, -1.0 );
65*b1cdbd2cSJim Jagielski ::basegfx::B2DPolygon square3( m_unitRect );
66*b1cdbd2cSJim Jagielski square3.transform( aTransform );
67*b1cdbd2cSJim Jagielski res.append( square3 );
68*b1cdbd2cSJim Jagielski // top right, flip on x-axis:
69*b1cdbd2cSJim Jagielski aTransform.scale( -1.0, 1.0 );
70*b1cdbd2cSJim Jagielski ::basegfx::B2DPolygon square4( m_unitRect );
71*b1cdbd2cSJim Jagielski square4.transform( aTransform );
72*b1cdbd2cSJim Jagielski square4.flip(); // flip direction
73*b1cdbd2cSJim Jagielski res.append( square4 );
74*b1cdbd2cSJim Jagielski
75*b1cdbd2cSJim Jagielski aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.5);
76*b1cdbd2cSJim Jagielski res.transform( aTransform );
77*b1cdbd2cSJim Jagielski return res;
78*b1cdbd2cSJim Jagielski }
79*b1cdbd2cSJim Jagielski
80*b1cdbd2cSJim Jagielski }
81*b1cdbd2cSJim Jagielski }
82