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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtOpenVG module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QVG_P_H |
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43 #define QVG_P_H |
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44 |
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45 #include "qvg.h" |
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46 |
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47 // |
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48 // W A R N I N G |
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49 // ------------- |
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50 // |
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51 // This file is not part of the Qt API. It exists for the convenience |
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52 // of other Qt classes. This header file may change from version to |
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53 // version without notice, or even be removed. |
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54 // |
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55 // We mean it. |
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56 // |
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57 |
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58 #include <QtGui/qimage.h> |
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59 |
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60 #if !defined(QT_NO_EGL) |
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61 #include <QtGui/private/qegl_p.h> |
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62 #endif |
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63 |
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64 QT_BEGIN_NAMESPACE |
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65 |
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66 class QVGPaintEngine; |
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67 |
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68 #if !defined(QT_NO_EGL) |
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69 |
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70 class QEglContext; |
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71 |
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72 // Create an EGL context, but don't bind it to a surface. If single-context |
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73 // mode is enabled, this will return the previously-created context. |
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74 Q_OPENVG_EXPORT QEglContext *qt_vg_create_context(QPaintDevice *device); |
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75 |
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76 // Destroy an EGL context that was created by qt_vg_create_context(). |
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77 // If single-context mode is enabled, this will decrease the reference count. |
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78 Q_OPENVG_EXPORT void qt_vg_destroy_context(QEglContext *context); |
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79 |
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80 // Return the shared pbuffer surface that can be made current to |
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81 // destroy VGImage objects when there is no other surface available. |
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82 Q_OPENVG_EXPORT EGLSurface qt_vg_shared_surface(void); |
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83 |
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84 // Convert the configuration format in a context to a VG or QImage format. |
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85 Q_OPENVG_EXPORT VGImageFormat qt_vg_config_to_vg_format(QEglContext *context); |
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86 Q_OPENVG_EXPORT QImage::Format qt_vg_config_to_image_format(QEglContext *context); |
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87 |
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88 #endif |
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89 |
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90 // Create a paint engine. Returns the common engine in single-context mode. |
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91 Q_OPENVG_EXPORT QVGPaintEngine *qt_vg_create_paint_engine(void); |
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92 |
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93 // Destroy a paint engine. Does nothing in single-context mode. |
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94 Q_OPENVG_EXPORT void qt_vg_destroy_paint_engine(QVGPaintEngine *engine); |
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95 |
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96 // Convert between QImage and VGImage format values. |
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97 Q_OPENVG_EXPORT VGImageFormat qt_vg_image_to_vg_format(QImage::Format format); |
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98 |
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99 QT_END_NAMESPACE |
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100 |
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101 #endif |