1 /****************************************************************************
2 **
3 ** Copyright (C) 2015 The Qt Company Ltd.
4 ** Contact: http://www.qt.io/licensing/
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see http://www.qt.io/terms-conditions. For further
15 ** information use the contact form at http://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 or version 3 as published by the Free
20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
22 ** following information to ensure the GNU Lesser General Public License
23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 **
26 ** As a special exception, The Qt Company gives you certain additional
27 ** rights. These rights are described in The Qt Company LGPL Exception
28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 **
30 ** GNU General Public License Usage
31 ** Alternatively, this file may be used under the terms of the GNU
32 ** General Public License version 3.0 as published by the Free Software
33 ** Foundation and appearing in the file LICENSE.GPL included in the
34 ** packaging of this file.  Please review the following information to
35 ** ensure the GNU General Public License version 3.0 requirements will be
36 ** met: http://www.gnu.org/copyleft/gpl.html.
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #include "qcolormap.h"
43 #include "qcolor.h"
44 
45 QT_BEGIN_NAMESPACE
46 
47 class QColormapPrivate
48 {
49 public:
QColormapPrivate()50     inline QColormapPrivate()
51         : ref(1)
52     { }
53 
54     QAtomicInt ref;
55 };
56 static QColormap *qt_mac_global_map = 0;
57 
initialize()58 void QColormap::initialize()
59 {
60     qt_mac_global_map = new QColormap;
61 }
62 
cleanup()63 void QColormap::cleanup()
64 {
65     delete qt_mac_global_map;
66     qt_mac_global_map = 0;
67 }
68 
instance(int)69 QColormap QColormap::instance(int)
70 {
71     return *qt_mac_global_map;
72 }
73 
QColormap()74 QColormap::QColormap() : d(new QColormapPrivate)
75 {}
76 
QColormap(const QColormap & colormap)77 QColormap::QColormap(const QColormap &colormap) :d (colormap.d)
78 { d->ref.ref(); }
79 
~QColormap()80 QColormap::~QColormap()
81 {
82     if (!d->ref.deref())
83         delete d;
84 }
85 
mode() const86 QColormap::Mode QColormap::mode() const
87 { return QColormap::Direct; }
88 
depth() const89 int QColormap::depth() const
90 {
91     return 32;
92 }
93 
size() const94 int QColormap::size() const
95 {
96     return -1;
97 }
98 
pixel(const QColor & color) const99 uint QColormap::pixel(const QColor &color) const
100 { return color.rgba(); }
101 
colorAt(uint pixel) const102 const QColor QColormap::colorAt(uint pixel) const
103 { return QColor(pixel); }
104 
colormap() const105 const QVector<QColor> QColormap::colormap() const
106 { return QVector<QColor>(); }
107 
operator =(const QColormap & colormap)108 QColormap &QColormap::operator=(const QColormap &colormap)
109 { qAtomicAssign(d, colormap.d); return *this; }
110 
111 QT_END_NAMESPACE
112