qopenglpaintdevice.h 3.3 KB

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  1. /****************************************************************************
  2. **
  3. ** Copyright (C) 2016 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
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  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
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  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
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  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
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  34. ** https://www.gnu.org/licenses/gpl-3.0.html.
  35. **
  36. ** $QT_END_LICENSE$
  37. **
  38. ****************************************************************************/
  39. #ifndef QOPENGLPAINTDEVICE_H
  40. #define QOPENGLPAINTDEVICE_H
  41. #include <QtCore/qglobal.h>
  42. #ifndef QT_NO_OPENGL
  43. #include <QtGui/qpaintdevice.h>
  44. #include <QtGui/qopengl.h>
  45. #include <QtGui/qopenglcontext.h>
  46. QT_BEGIN_NAMESPACE
  47. class QOpenGLPaintDevicePrivate;
  48. class Q_GUI_EXPORT QOpenGLPaintDevice : public QPaintDevice
  49. {
  50. Q_DECLARE_PRIVATE(QOpenGLPaintDevice)
  51. public:
  52. QOpenGLPaintDevice();
  53. explicit QOpenGLPaintDevice(const QSize &size);
  54. QOpenGLPaintDevice(int width, int height);
  55. QOpenGLPaintDevice(int x, int y, int width, int height);
  56. virtual ~QOpenGLPaintDevice();
  57. int devType() const { return QInternal::OpenGL; }
  58. QPaintEngine *paintEngine() const;
  59. QOpenGLContext *context() const;
  60. QPoint offset() const;
  61. QSize size() const;
  62. void setSize(const QSize &size);
  63. void setDevicePixelRatio(qreal devicePixelRatio);
  64. qreal dotsPerMeterX() const;
  65. qreal dotsPerMeterY() const;
  66. void setDotsPerMeterX(qreal);
  67. void setDotsPerMeterY(qreal);
  68. void setPaintFlipped(bool flipped);
  69. bool paintFlipped() const;
  70. virtual void ensureActiveTarget();
  71. protected:
  72. QOpenGLPaintDevice(QOpenGLPaintDevicePrivate &dd);
  73. int metric(QPaintDevice::PaintDeviceMetric metric) const;
  74. Q_DISABLE_COPY(QOpenGLPaintDevice)
  75. QScopedPointer<QOpenGLPaintDevicePrivate> d_ptr;
  76. };
  77. QT_END_NAMESPACE
  78. #endif // QT_NO_OPENGL
  79. #endif // QOPENGLPAINTDEVICE_H