src/openvg/qpixmapdata_vg_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/openvg/qpixmapdata_vg_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 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 <private/qvg_p.h>
+#if !defined(QT_NO_EGL)
+#endif
+
+#if defined(Q_OS_SYMBIAN)
+class RSGImage;
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QEglContext;
+
+class Q_OPENVG_EXPORT QVGPixmapData : public QPixmapData
+{
+public:
+    QVGPixmapData(PixelType type);
+    ~QVGPixmapData();
+
+    QPixmapData *createCompatiblePixmapData() const;
+
+    // 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); }
+
+#if defined(Q_OS_SYMBIAN)
+    void* toNativeType(NativeType type);
+    void fromNativeType(void* pixmap, NativeType type);
+#endif
+
+protected:
+    int metric(QPaintDevice::PaintDeviceMetric metric) const;
+
+#if defined(Q_OS_SYMBIAN)
+    void cleanup();
+#endif
+
+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