1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2018 The Qt Company Ltd. |
4 | ** Contact: https://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 https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://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 3 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
27 | ** General Public License version 2.0 or (at your option) the GNU General |
28 | ** Public license version 3 or any later version approved by the KDE Free |
29 | ** Qt Foundation. The licenses are as published by the Free Software |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
31 | ** included in the packaging of this file. Please review the following |
32 | ** information to ensure the GNU General Public License requirements will |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
35 | ** |
36 | ** $QT_END_LICENSE$ |
37 | ** |
38 | ****************************************************************************/ |
39 | |
40 | #ifndef QCOLORSPACE_H |
41 | #define QCOLORSPACE_H |
42 | |
43 | #include <QtGui/qtguiglobal.h> |
44 | #include <QtGui/qcolortransform.h> |
45 | #include <QtCore/qshareddata.h> |
46 | |
47 | QT_BEGIN_NAMESPACE |
48 | |
49 | class QColorSpacePrivate; |
50 | |
51 | class Q_GUI_EXPORT QColorSpace |
52 | { |
53 | Q_GADGET |
54 | public: |
55 | enum ColorSpaceId { |
56 | Undefined = 0, |
57 | Unknown = 1, |
58 | SRgb, |
59 | SRgbLinear, |
60 | AdobeRgb, |
61 | DisplayP3, |
62 | ProPhotoRgb, |
63 | Bt2020, |
64 | }; |
65 | Q_ENUM(ColorSpaceId) |
66 | enum class Gamut { |
67 | Custom = 0, |
68 | SRgb, |
69 | AdobeRgb, |
70 | DciP3D65, |
71 | ProPhotoRgb, |
72 | Bt2020, |
73 | }; |
74 | Q_ENUM(Gamut) |
75 | enum class TransferFunction { |
76 | Custom = 0, |
77 | Linear, |
78 | Gamma, |
79 | SRgb, |
80 | ProPhotoRgb, |
81 | Bt2020, |
82 | }; |
83 | Q_ENUM(TransferFunction) |
84 | |
85 | QColorSpace(ColorSpaceId colorSpaceId = Undefined); |
86 | QColorSpace(Gamut gamut, TransferFunction fun, float gamma = 0.0f); |
87 | QColorSpace(Gamut gamut, float gamma); |
88 | QColorSpace(const QPointF &whitePoint, const QPointF &redPoint, |
89 | const QPointF &greenPoint, const QPointF &bluePoint, |
90 | TransferFunction fun, float gamma = 0.0f); |
91 | ~QColorSpace(); |
92 | |
93 | QColorSpace(QColorSpace &&colorSpace) noexcept; |
94 | QColorSpace(const QColorSpace &colorSpace); |
95 | QColorSpace &operator=(QColorSpace &&colorSpace) noexcept; |
96 | QColorSpace &operator=(const QColorSpace &colorSpace); |
97 | |
98 | void swap(QColorSpace &colorSpace) noexcept |
99 | { qSwap(d_ptr, colorSpace.d_ptr); } |
100 | |
101 | ColorSpaceId colorSpaceId() const noexcept; |
102 | Gamut gamut() const noexcept; |
103 | TransferFunction transferFunction() const noexcept; |
104 | float gamma() const noexcept; |
105 | |
106 | bool isValid() const noexcept; |
107 | |
108 | friend Q_GUI_EXPORT bool operator==(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2); |
109 | friend inline bool operator!=(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2); |
110 | |
111 | static QColorSpace fromIccProfile(const QByteArray &iccProfile); |
112 | QByteArray iccProfile() const; |
113 | |
114 | QColorTransform transformationToColorSpace(const QColorSpace &colorspace) const; |
115 | |
116 | |
117 | private: |
118 | Q_DECLARE_PRIVATE(QColorSpace) |
119 | QExplicitlySharedDataPointer<QColorSpacePrivate> d_ptr; |
120 | }; |
121 | |
122 | bool Q_GUI_EXPORT operator==(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2); |
123 | inline bool operator!=(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2) |
124 | { |
125 | return !(colorSpace1 == colorSpace2); |
126 | } |
127 | |
128 | Q_DECLARE_SHARED(QColorSpace) |
129 | |
130 | // QColorSpace stream functions |
131 | #if !defined(QT_NO_DATASTREAM) |
132 | Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QColorSpace &); |
133 | Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QColorSpace &); |
134 | #endif |
135 | |
136 | #ifndef QT_NO_DEBUG_STREAM |
137 | Q_GUI_EXPORT QDebug operator<<(QDebug, const QColorSpace &); |
138 | #endif |
139 | |
140 | QT_END_NAMESPACE |
141 | |
142 | #endif // QCOLORSPACE_P_H |
143 | |