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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/openvg/qvg_p.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVG_P_H
+#define QVG_P_H
+
+#include "qvg.h"
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of other Qt classes. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+// vgDrawGlyphs() only exists in OpenVG 1.1 and higher.
+#if !defined(OPENVG_VERSION_1_1) && !defined(QVG_NO_DRAW_GLYPHS)
+#define QVG_NO_DRAW_GLYPHS 1
+#endif
+
+#include <QtGui/qimage.h>
+
+#if !defined(QT_NO_EGL)
+#include <QtGui/private/qeglcontext_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QVGPaintEngine;
+
+#if !defined(QT_NO_EGL)
+
+class QEglContext;
+
+// Create an EGL context, but don't bind it to a surface. If single-context
+// mode is enabled, this will return the previously-created context.
+// "devType" indicates the type of device using the context, usually
+// QInternal::Widget or QInternal::Pixmap.
+Q_OPENVG_EXPORT QEglContext *qt_vg_create_context
+ (QPaintDevice *device, int devType);
+
+// Destroy an EGL context that was created by qt_vg_create_context().
+// If single-context mode is enabled, this will decrease the reference count.
+// "devType" indicates the type of device destroying the context, usually
+// QInternal::Widget or QInternal::Pixmap.
+Q_OPENVG_EXPORT void qt_vg_destroy_context
+ (QEglContext *context, int devType);
+
+// Return the shared pbuffer surface that can be made current to
+// destroy VGImage objects when there is no other surface available.
+Q_OPENVG_EXPORT EGLSurface qt_vg_shared_surface(void);
+
+// Convert the configuration format in a context to a VG or QImage format.
+Q_OPENVG_EXPORT VGImageFormat qt_vg_config_to_vg_format(QEglContext *context);
+Q_OPENVG_EXPORT QImage::Format qt_vg_config_to_image_format(QEglContext *context);
+
+#endif
+
+// Create a paint engine. Returns the common engine in single-context mode.
+Q_OPENVG_EXPORT QVGPaintEngine *qt_vg_create_paint_engine(void);
+
+// Destroy a paint engine. Does nothing in single-context mode.
+Q_OPENVG_EXPORT void qt_vg_destroy_paint_engine(QVGPaintEngine *engine);
+
+// Convert between QImage and VGImage format values.
+Q_OPENVG_EXPORT VGImageFormat qt_vg_image_to_vg_format(QImage::Format format);
+
+QT_END_NAMESPACE
+
+#endif