/****************************************************************************
**
** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (developer.feedback@nokia.com)
**
** This file is part of the HbCore module of the UI Extensions for Mobile.
**
** GNU Lesser General Public License Usage
** 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 developer.feedback@nokia.com.
**
****************************************************************************/

#ifndef HBNVGICONIMPL_P_H
#define HBNVGICONIMPL_P_H

#include "hbiconimpl_p.h"
#include "hbnvg_p.h"
#include <EGL/egl.h>
#include <QBitmap>
class HbPooledNVGEngine;
class HbEglStates;
class HbVgImageIconRenderer;
class HbPixmapIconRenderer;

struct NvgAspectRatioSettings {
    HbNvgEngine::HbNvgAlignType nvgAlignStatusAndAspectRatio;
    HbNvgEngine::HbNvgMeetType type;
};

class HB_AUTOTEST_EXPORT HbNvgIconImpl : public HbIconImpl
{
public :
    HbNvgIconImpl(const HbSharedIconInfo &iconData,
                  const QString &name,
                  const QSizeF &keySize,
                  Qt::AspectRatioMode aspectRatioMode,
                  QIcon::Mode mode,
                  bool mirrored,
                  HbRenderingMode renderMode);

    ~HbNvgIconImpl();
    QPixmap pixmap();
    void paint(QPainter *painter,
               const QRectF &rect,
               Qt::Alignment alignment,
               const QPainterPath &clipPath = QPainterPath(),
               HbMaskableIconImpl *maskIconData = 0);

    QSize defaultSize() const;

    QSize size();

    void destroyMaskedData(HbIconMaskedData *data);

private :
    void retrieveNvgData();
    QPointF setAlignment(const QRectF &rect,
                         QSizeF &renderSize,
                         Qt::Alignment alignment);
    NvgAspectRatioSettings mapKeyAspectRatioToNvgAspectRatio(Qt::AspectRatioMode aspectRatio);

    HbNvgEngine::HbNvgErrorType drawNVGIcon(const QSize &size, HbNvgEngine &engine);
    int createContextAndSurface(EGLDisplay display,
                                int width,
                                int height,
                                EGLContext &newContext,
                                EGLSurface &newSurface,
                                EGLConfig &config);

    VGImage createVGImageFromNVG(EGLDisplay display,
                                 EGLSurface currentReadSurface,
                                 EGLSurface currentWriteSurface,
                                 EGLContext eglContext,
                                 int width,
                                 int height,
                                 bool useGivenContext = true,
                                 HbNvgEngine *nvgEngine = 0);

    bool drawRasterizedIcon(QPainter *painter,
                            const QPointF &topLeft,
                            const QSizeF &renderSize,
                            const QPainterPath &clipPath);

    void drawNVGIcon(QPainter *painter,
                     const QPointF &topLeft,
                     const QSizeF &renderSize,
                     NvgAspectRatioSettings settings);

    static VGImage getVgImage(HbIconImpl *impl, QPainter *painter);

private:
    QByteArray          nvgData;
    QPixmap             currentPixmap;
    bool                readyToRender;
    bool                specialCaseApplied;
    QSize               contentSize;
    HbPooledNVGEngine  *nvgEngine;
    HbEglStates        *eglStates;
    HbVgImageIconRenderer *vgImageRenderer;
    HbPixmapIconRenderer *pixmapIconRenderer;
};

#endif // end of HBNVGICONIMPL_P_H