F:/KPlato/koffice/libs/kofficecore/KoPictureEps.h

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/* This file is part of the KDE project
   Copyright (c) 2001 Simon Hausmann <hausmann@kde.org>
   Copyright (C) 2002, 2003, 2004 Nicolas GOUTTE <goutte@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
#ifndef __koPictureEps_h__
#define __koPictureEps_h__

#include <QString>
//Added by qt3to4:
#include <QPixmap>

class QPainter;
class QSize;
class KoPictureEpsPrivate;

// TODO: fix documentation

class KoPictureEps : public KoPictureBase
{
public:
    KoPictureEps();

    virtual ~KoPictureEps();

    KoPictureType::Type getType(void) const;

    KoPictureBase* newCopy(void) const;

    virtual bool isNull(void) const;

    virtual void draw(QPainter& painter, int x, int y, int width, int height, int sx = 0, int sy = 0, int sw = -1, int sh = -1, bool fastMode = false);

    virtual bool loadData(const QByteArray& array, const QString& extension);

    virtual bool save(QIODevice* io) const;

    virtual QSize getOriginalSize(void) const;

    virtual QPixmap generatePixmap(const QSize& size, bool smoothScale = false);

    virtual QString getMimeType(const QString& extension) const;

    virtual QImage generateImage(const QSize& size);

    virtual void clearCache(void);
protected:
    QPixmap getPixmap(QImage& image);
    void scaleAndCreatePixmap(const QSize& size, bool fastMode, const int resolutionx, const int resolutiony );
    QImage scaleWithGhostScript( const QSize& size, const int resolutionx, const int resolutiony );
    bool extractPostScriptStream( void );

private:
    int tryScaleWithGhostScript(QImage &image, const QSize& size, const int resolutionx, const int resolutiony, const char* device );
    QString readLine( const QByteArray& array, const uint start, const uint length, uint& pos, bool& lastCharWasCr );

private:
    QByteArray m_rawData;
    QPixmap m_cachedPixmap; 
    QSize m_originalSize; 
    QSize m_cachedSize; 
    QRect m_boundingBox; 
    uint m_psStreamStart; 
    uint m_psStreamLength; 

    bool m_cacheIsInFastMode;
};

#endif /* __koPictureEps_h__ */

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