1 /* This file is part of the KDE project
2 * Copyright (C) 2009 Jos van den Oever <jos@vandenoever.info>
3 * Copyright (C) 2009 Thomas Zander <zander@kde.org>
4 * Copyright (C) 2008 Jan Hambrecht <jaham@gmx.net>
5 * Copyright (C) 2010 Thorsten Zachmann <zachmann@kde.org>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23 #include "KoFlake.h"
24 #include "KoShape.h"
25
26 #include <QGradient>
27 #include <math.h>
28
cloneGradient(const QGradient * gradient)29 QGradient *KoFlake::cloneGradient(const QGradient *gradient)
30 {
31 if (! gradient)
32 return 0;
33
34 QGradient *clone = 0;
35
36 switch (gradient->type()) {
37 case QGradient::LinearGradient:
38 {
39 const QLinearGradient *lg = static_cast<const QLinearGradient*>(gradient);
40 clone = new QLinearGradient(lg->start(), lg->finalStop());
41 break;
42 }
43 case QGradient::RadialGradient:
44 {
45 const QRadialGradient *rg = static_cast<const QRadialGradient*>(gradient);
46 clone = new QRadialGradient(rg->center(), rg->radius(), rg->focalPoint());
47 break;
48 }
49 case QGradient::ConicalGradient:
50 {
51 const QConicalGradient *cg = static_cast<const QConicalGradient*>(gradient);
52 clone = new QConicalGradient(cg->center(), cg->angle());
53 break;
54 }
55 default:
56 return 0;
57 }
58
59 clone->setCoordinateMode(gradient->coordinateMode());
60 clone->setSpread(gradient->spread());
61 clone->setStops(gradient->stops());
62
63 return clone;
64 }
65
toRelative(const QPointF & absolute,const QSizeF & size)66 QPointF KoFlake::toRelative(const QPointF &absolute, const QSizeF &size)
67 {
68 return QPointF(size.width() == 0 ? 0: absolute.x() / size.width(),
69 size.height() == 0 ? 0: absolute.y() / size.height());
70 }
71
toAbsolute(const QPointF & relative,const QSizeF & size)72 QPointF KoFlake::toAbsolute(const QPointF &relative, const QSizeF &size)
73 {
74 return QPointF(relative.x() * size.width(), relative.y() * size.height());
75 }
76