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author | Rhys Weatherley <rhys.weatherley@nokia.com> | 2009-06-22 23:54:49 (GMT) |
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committer | Rhys Weatherley <rhys.weatherley@nokia.com> | 2009-06-22 23:54:49 (GMT) |
commit | 4360626c48c90b4d1928398b964679b3acde8cc4 (patch) | |
tree | d123c6b436b367be2104c4721af946ca2dc8277e /src/openvg/qpixmapdata_vg_p.h | |
parent | 308ed3913b406c43dfdab4fa734a332863dc4cbc (diff) | |
download | Qt-4360626c48c90b4d1928398b964679b3acde8cc4.zip Qt-4360626c48c90b4d1928398b964679b3acde8cc4.tar.gz Qt-4360626c48c90b4d1928398b964679b3acde8cc4.tar.bz2 |
Integrate the OpenVG graphics system into Qt 4.6
This change also moves the EGL support classes from QtOpenGL to QtGui
so they can be shared between OpenGL and OpenVG.
Diffstat (limited to 'src/openvg/qpixmapdata_vg_p.h')
-rw-r--r-- | src/openvg/qpixmapdata_vg_p.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/openvg/qpixmapdata_vg_p.h b/src/openvg/qpixmapdata_vg_p.h new file mode 100644 index 0000000..bb019be --- /dev/null +++ b/src/openvg/qpixmapdata_vg_p.h @@ -0,0 +1,113 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPIXMAPDATA_VG_P_H +#define QPIXMAPDATA_VG_P_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. +// + +#include <QtGui/private/qpixmap_raster_p.h> +#include "qvg_p.h" +#if !defined(QT_NO_EGL) +#include <QtGui/private/qegl_p.h> +#endif + +QT_BEGIN_NAMESPACE + +class QEglContext; + +class Q_OPENVG_EXPORT QVGPixmapData : public QPixmapData +{ +public: + QVGPixmapData(PixelType type); + ~QVGPixmapData(); + + // Is this pixmap valid (i.e. non-zero in size)? + bool isValid() const; + + void resize(int width, int height); + void fromImage(const QImage &image, Qt::ImageConversionFlags flags); + + void fill(const QColor &color); + bool hasAlphaChannel() const; + void setAlphaChannel(const QPixmap &alphaChannel); + QImage toImage() const; + QImage *buffer(); + QPaintEngine* paintEngine() const; + + // Return the VGImage form of this pixmap, creating it if necessary. + // This assumes that there is a VG context current. + VGImage toVGImage(); + + // Return the VGImage form for a specific opacity setting. + VGImage toVGImage(qreal opacity); + + QSize size() const { return QSize(w, h); } + +protected: + int metric(QPaintDevice::PaintDeviceMetric metric) const; + +private: + VGImage vgImage; + VGImage vgImageOpacity; + qreal cachedOpacity; + mutable QImage source; + mutable bool recreate; +#if !defined(QT_NO_EGL) + mutable QEglContext *context; +#endif + + void forceToImage(); + QImage::Format sourceFormat() const; +}; + +QT_END_NAMESPACE + +#endif |