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

Aller à la documentation de ce fichier.

/* 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 __koPictureImage_h__
#define __koPictureImage_h__

#include "KoPictureBase.h"
#include <QString>
#include <QPixmap>

class KoPictureImagePrivate;
// TODO: fix documentation

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

    virtual ~KoPictureImage();

    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 Q3DragObject* dragObject( QWidget *dragSource = 0L, const char *name = 0L );

    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);

    // TODO: Rename to hasAlphaChannel() ?
    virtual bool hasAlphaBuffer() const
        { return m_originalImage.hasAlphaChannel(); }

    // TODO: Rename to setAlphaChannel() ?
    virtual void setAlphaBuffer(bool enable)
        {   if(enable) 
            {
                m_originalImage.convertToFormat(QImage::Format_ARGB32);
            }
            else 
            {
                m_originalImage.convertToFormat(QImage::Format_RGB32);
            }
        }

    virtual QImage createAlphaMask(Qt::ImageConversionFlags flags = Qt::AutoColor) const
        { return m_originalImage.createAlphaMask(flags); }

    virtual void clearCache(void);

protected:
    QPixmap getPixmap(QImage& image);
    void scaleAndCreatePixmap(const QSize& size, bool fastMode=false);

private:
    QImage  m_originalImage; 
    QByteArray m_rawData; 
    QPixmap m_cachedPixmap; 
    QSize m_cachedSize; 

    bool m_cacheIsInFastMode;
    class Private;
    Private* d;
};

#endif /* __koPictureImage_h__ */

---