1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtOpenGL module of the Qt Toolkit. |
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8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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17 | ** GNU Lesser General Public License Usage |
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19 | ** General Public License version 2.1 as published by the Free Software |
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25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QGLPIXELBUFFER_H |
43 | #define QGLPIXELBUFFER_H |
44 | |
45 | #include <QtOpenGL/qgl.h> |
46 | #include <QtGui/qpaintdevice.h> |
47 | |
48 | QT_BEGIN_HEADER |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | QT_MODULE(OpenGL) |
53 | |
54 | class QGLPixelBufferPrivate; |
55 | |
56 | class Q_OPENGL_EXPORT QGLPixelBuffer : public QPaintDevice |
57 | { |
58 | Q_DECLARE_PRIVATE(QGLPixelBuffer) |
59 | public: |
60 | QGLPixelBuffer(const QSize &size, const QGLFormat &format = QGLFormat::defaultFormat(), |
61 | QGLWidget *shareWidget = 0); |
62 | QGLPixelBuffer(int width, int height, const QGLFormat &format = QGLFormat::defaultFormat(), |
63 | QGLWidget *shareWidget = 0); |
64 | virtual ~QGLPixelBuffer(); |
65 | |
66 | bool isValid() const; |
67 | bool makeCurrent(); |
68 | bool doneCurrent(); |
69 | |
70 | GLuint generateDynamicTexture() const; |
71 | bool bindToDynamicTexture(GLuint texture); |
72 | void releaseFromDynamicTexture(); |
73 | void updateDynamicTexture(GLuint texture_id) const; |
74 | |
75 | GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D); |
76 | GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D); |
77 | GLuint bindTexture(const QString &fileName); |
78 | void deleteTexture(GLuint texture_id); |
79 | |
80 | void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D); |
81 | void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D); |
82 | |
83 | #ifdef Q_MAC_COMPAT_GL_FUNCTIONS |
84 | bool bindToDynamicTexture(QMacCompatGLuint texture); |
85 | void updateDynamicTexture(QMacCompatGLuint texture_id) const; |
86 | GLuint bindTexture(const QImage &image, QMacCompatGLenum target = GL_TEXTURE_2D); |
87 | GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum target = GL_TEXTURE_2D); |
88 | |
89 | void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D); |
90 | void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D); |
91 | |
92 | void deleteTexture(QMacCompatGLuint texture_id); |
93 | #endif |
94 | |
95 | QSize size() const; |
96 | Qt::HANDLE handle() const; |
97 | QImage toImage() const; |
98 | |
99 | QPaintEngine *paintEngine() const; |
100 | QGLFormat format() const; |
101 | |
102 | static bool hasOpenGLPbuffers(); |
103 | |
104 | protected: |
105 | int metric(PaintDeviceMetric metric) const; |
106 | int devType() const { return QInternal::Pbuffer; } |
107 | |
108 | private: |
109 | Q_DISABLE_COPY(QGLPixelBuffer) |
110 | QScopedPointer<QGLPixelBufferPrivate> d_ptr; |
111 | friend class QGLDrawable; |
112 | friend class QGLWindowSurface; |
113 | friend class QGLPaintDevice; |
114 | friend class QGLPBufferGLPaintDevice; |
115 | friend class QGLContextPrivate; |
116 | }; |
117 | |
118 | QT_END_NAMESPACE |
119 | |
120 | QT_END_HEADER |
121 | |
122 | #endif // QGLPIXELBUFFER_H |
123 | |