/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the test suite of the Qt Toolkit.

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** $QT_BEGIN_LICENSE:LGPL$

** 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.

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QENGINES_H

#define QENGINES_H

#if defined(BUILD_OPENGL)

#include <QGLPixelBuffer>

#endif

#include <QPrinter>

#include <QPixmap>

#include <QImage>

#include <QMap>

#include <QList>

#include <QColor>

QT_FORWARD_DECLARE_CLASS(QSvgRenderer)

QT_FORWARD_DECLARE_CLASS(QGLWidget)

class QEngine

{

public:

    virtual ~QEngine();

    virtual QString name() const =0;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white) =0;

    virtual void render(QSvgRenderer *r, const QString &)    =0;

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath)    =0;

    virtual bool drawOnPainter(QPainter *p) =0;

    virtual void save(const QString &file)  =0;

    virtual void cleanup();

};

class QtEngines

{

public:

    static QtEngines *self();

    QtEngines();

    QList<QEngine*> engines() const;

    QList<QEngine*> foreignEngines() const;

    QEngine *defaultEngine() const;

private:

    void init();

private:

    QList<QEngine*> m_engines;

    QList<QEngine*> m_foreignEngines;

    QEngine        *m_defaultEngine;

};

class RasterEngine : public QEngine

{

public:

    RasterEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

private:

    QImage image;

};

class NativeEngine : public QEngine

{

public:

    NativeEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

private:

    QPixmap pixmap;

};

#if defined(BUILD_OPENGL)

class GLEngine : public QEngine

{

public:

    GLEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &_size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

    virtual void cleanup();

private:

    QGLPixelBuffer *pbuffer;

    QGLWidget *widget;

    bool usePixelBuffers;

    QSize size;

    QColor fillColor;

};

#endif

class WidgetEngineWidget;

class WidgetEngine : public QEngine

{

public:

    WidgetEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &_size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

    virtual void cleanup();

private:

    WidgetEngineWidget *m_widget;

};

#ifndef QT_NO_PRINTER

class PDFEngine : public QEngine

{

public:

    PDFEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

    virtual void cleanup();

private:

    QPrinter *printer;

    QSize     m_size;

    QString   m_tempFile;

};

#ifdef Q_WS_X11

class PSEngine : public QEngine

{

public:

    PSEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

    virtual void cleanup();

private:

    QPrinter *printer;

    QSize     m_size;

    QString   m_tempFile;

};

#endif

#ifdef Q_WS_WIN

class WinPrintEngine : public QEngine

{

public:

    WinPrintEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

    virtual void cleanup();

private:

    QPrinter *printer;

    QSize     m_size;

    QString   m_tempFile;

};

#endif

#endif //QT_NO_PRINTER

class RSVGEngine : public QEngine

{

public:

    RSVGEngine();

    virtual QString name() const;

    virtual void prepare(const QSize &size, const QColor &fillColor = Qt::white);

    virtual void render(QSvgRenderer *r, const QString &);

    virtual void render(const QStringList &qpsScript,

                        const QString &absFilePath);

    virtual bool drawOnPainter(QPainter *p);

    virtual void save(const QString &file);

private:

    QString m_fileName;

    QSize   m_size;

};

#endif