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39 #ifndef QSURFACEFORMAT_H
40 #define QSURFACEFORMAT_H
41 
42 #include <QtGui/qtguiglobal.h>
43 #include <QtCore/qpair.h>
44 #include <QtCore/qobjectdefs.h>
45 
46 QT_BEGIN_NAMESPACE
47 
48 
49 class QOpenGLContext;
50 class QSurfaceFormatPrivate;
51 
52 class Q_GUI_EXPORT QSurfaceFormat
53 {
54     Q_GADGET
55 public:
56     enum FormatOption {
57         StereoBuffers            = 0x0001,
58         DebugContext             = 0x0002,
59         DeprecatedFunctions      = 0x0004,
60         ResetNotification        = 0x0008
61     };
62     Q_ENUM(FormatOption)
63     Q_DECLARE_FLAGS(FormatOptions, FormatOption)
64 
65     enum SwapBehavior {
66         DefaultSwapBehavior,
67         SingleBuffer,
68         DoubleBuffer,
69         TripleBuffer
70     };
71     Q_ENUM(SwapBehavior)
72 
73     enum RenderableType {
74         DefaultRenderableType = 0x0,
75         OpenGL                = 0x1,
76         OpenGLES              = 0x2,
77         OpenVG                = 0x4
78     };
79     Q_ENUM(RenderableType)
80 
81     enum OpenGLContextProfile {
82         NoProfile,
83         CoreProfile,
84         CompatibilityProfile
85     };
86     Q_ENUM(OpenGLContextProfile)
87 
88     enum ColorSpace {
89         DefaultColorSpace,
90         sRGBColorSpace
91     };
92     Q_ENUM(ColorSpace)
93 
94     QSurfaceFormat();
95     /*implicit*/ QSurfaceFormat(FormatOptions options);
96     QSurfaceFormat(const QSurfaceFormat &other);
97     QSurfaceFormat &operator=(const QSurfaceFormat &other);
98     ~QSurfaceFormat();
99 
100     void setDepthBufferSize(int size);
101     int depthBufferSize() const;
102 
103     void setStencilBufferSize(int size);
104     int stencilBufferSize() const;
105 
106     void setRedBufferSize(int size);
107     int redBufferSize() const;
108     void setGreenBufferSize(int size);
109     int greenBufferSize() const;
110     void setBlueBufferSize(int size);
111     int blueBufferSize() const;
112     void setAlphaBufferSize(int size);
113     int alphaBufferSize() const;
114 
115     void setSamples(int numSamples);
116     int samples() const;
117 
118     void setSwapBehavior(SwapBehavior behavior);
119     SwapBehavior swapBehavior() const;
120 
121     bool hasAlpha() const;
122 
123     void setProfile(OpenGLContextProfile profile);
124     OpenGLContextProfile profile() const;
125 
126     void setRenderableType(RenderableType type);
127     RenderableType renderableType() const;
128 
129     void setMajorVersion(int majorVersion);
130     int majorVersion() const;
131 
132     void setMinorVersion(int minorVersion);
133     int minorVersion() const;
134 
135     QPair<int, int> version() const;
136     void setVersion(int major, int minor);
137 
138     bool stereo() const;
139     void setStereo(bool enable);
140 
141 #if QT_DEPRECATED_SINCE(5, 2)
142     QT_DEPRECATED void setOption(QSurfaceFormat::FormatOptions opt);
143     QT_DEPRECATED bool testOption(QSurfaceFormat::FormatOptions opt) const;
144 #endif
145 
146     void setOptions(QSurfaceFormat::FormatOptions options);
147     void setOption(FormatOption option, bool on = true);
148     bool testOption(FormatOption option) const;
149     QSurfaceFormat::FormatOptions options() const;
150 
151     int swapInterval() const;
152     void setSwapInterval(int interval);
153 
154     ColorSpace colorSpace() const;
155     void setColorSpace(ColorSpace colorSpace);
156 
157     static void setDefaultFormat(const QSurfaceFormat &format);
158     static QSurfaceFormat defaultFormat();
159 
160 private:
161     QSurfaceFormatPrivate *d;
162 
163     void detach();
164 
165     friend Q_GUI_EXPORT bool operator==(const QSurfaceFormat&, const QSurfaceFormat&);
166     friend Q_GUI_EXPORT bool operator!=(const QSurfaceFormat&, const QSurfaceFormat&);
167 #ifndef QT_NO_DEBUG_STREAM
168     friend Q_GUI_EXPORT QDebug operator<<(QDebug, const QSurfaceFormat &);
169 #endif
170 };
171 
172 Q_GUI_EXPORT bool operator==(const QSurfaceFormat&, const QSurfaceFormat&);
173 Q_GUI_EXPORT bool operator!=(const QSurfaceFormat&, const QSurfaceFormat&);
174 
175 #ifndef QT_NO_DEBUG_STREAM
176 Q_GUI_EXPORT QDebug operator<<(QDebug, const QSurfaceFormat &);
177 #endif
178 
Q_DECLARE_OPERATORS_FOR_FLAGS(QSurfaceFormat::FormatOptions)179 Q_DECLARE_OPERATORS_FOR_FLAGS(QSurfaceFormat::FormatOptions)
180 
181 inline bool QSurfaceFormat::stereo() const
182 {
183     return testOption(QSurfaceFormat::StereoBuffers);
184 }
185 
186 QT_END_NAMESPACE
187 
188 #endif //QSURFACEFORMAT_H
189