QtOpenGL/qglpixelbuffer.h Source File

qglpixelbuffer.h
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41 
42 #ifndef QGLPIXELBUFFER_H
43 #define QGLPIXELBUFFER_H
44 
45 #include <QtOpenGL/qgl.h>
46 #include <QtGui/qpaintdevice.h>
47 
49 
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:
61  QGLWidget *shareWidget = 0);
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 
119 
121 
122 #endif // QGLPIXELBUFFER_H
#define QT_END_NAMESPACE
Definition: qglobal.h:128
Definition: qgl.h:474
#define QT_BEGIN_HEADER
Definition: qglobal.h:141
GLuint texture
Definition: GLee.h:3760
GLXFBConfig Pixmap pixmap
Definition: GLee.h:10237
GLenum GLsizei width
Definition: GLee.h:873
GLenum GLsizei GLenum GLenum const GLvoid * image
Definition: GLee.h:882
#define GL_TEXTURE_2D
#define QT_BEGIN_NAMESPACE
Definition: qglobal.h:127
GLenum GLsizei GLenum format
Definition: GLee.h:873
typedef GLenum(APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)(GLenum target)
typedef GLuint(APIENTRYP PFNGLCREATEPROGRAMPROC)()
Definition: qgl.h:175
GLenum GLsizei GLsizei height
Definition: GLee.h:883
Definition: qimage.h:87
unsigned long HANDLE
Definition: qnamespace.h:1675
Definition: qrect.h:511
static QGLFormat defaultFormat()
Definition: qsize.h:53
int devType() const
#define QT_END_HEADER
Definition: qglobal.h:142
GLsizeiptr size
Definition: GLee.h:1561