1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <canvas/debug.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "fourboxwipe.hxx"
namespace slideshow {
namespace internal {
::basegfx::B2DPolyPolygon FourBoxWipe::operator () ( double t )
{
::basegfx::B2DHomMatrix aTransform;
const double d = ::basegfx::pruneScaleValue( t / 2.0 );
if (m_cornersOut)
{
aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.25, -0.25)
* aTransform;
}
else
{
aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.5, -0.5);
}
// top left:
::basegfx::B2DPolygon square( m_unitRect );
square.transform( aTransform );
::basegfx::B2DPolyPolygon res( square );
// bottom left, flip on x-axis:
aTransform.scale( -1.0, 1.0 );
::basegfx::B2DPolygon square2( m_unitRect );
square2.transform( aTransform );
square2.flip(); // flip direction
res.append( square2 );
// bottom right, flip on y-axis:
aTransform.scale( 1.0, -1.0 );
::basegfx::B2DPolygon square3( m_unitRect );
square3.transform( aTransform );
res.append( square3 );
// top right, flip on x-axis:
aTransform.scale( -1.0, 1.0 );
::basegfx::B2DPolygon square4( m_unitRect );
square4.transform( aTransform );
square4.flip(); // flip direction
res.append( square4 );
aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.5);
res.transform( aTransform );
return res;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
