You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.9 KiB
129 lines
3.9 KiB
/* 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 __koPictureBase_h__
|
|
#define __koPictureBase_h__
|
|
|
|
#include "KoPictureKey.h" // for KoPictureType
|
|
|
|
#include <qstring.h>
|
|
#include <qimage.h>
|
|
|
|
class KoXmlWriter;
|
|
class QPainter;
|
|
class QSize;
|
|
class QIODevice;
|
|
class QDragObject;
|
|
|
|
const char NULL_MIME_TYPE[]="application/x-zerosize";
|
|
|
|
// TODO: fix documentation
|
|
|
|
/**
|
|
* @internal
|
|
* Base class for KoPictureImage, KoPictureClipart, KoPictureEps, KoPictureWmf...
|
|
*/
|
|
class KoPictureBase
|
|
{
|
|
public:
|
|
/**
|
|
* Default constructor.
|
|
*/
|
|
KoPictureBase();
|
|
|
|
/**
|
|
* Destructor.
|
|
*/
|
|
virtual ~KoPictureBase();
|
|
|
|
virtual KoPictureType::Type getType(void) const;
|
|
|
|
virtual KoPictureBase* newCopy(void) const;
|
|
|
|
/**
|
|
* Returns true if the picture is null.
|
|
*/
|
|
virtual bool isNull(void) const;
|
|
|
|
/**
|
|
* @brief Draw the picture in a painter.
|
|
*
|
|
* The parameter @p fastMode allows the picture to be re-sized and drawn quicker if possible
|
|
*
|
|
* The parameters @p width, @p height define the desired size for the image
|
|
* Note that the image is being scaled to that size using scale() - except when printing.
|
|
* This avoids scaling the image at each paint event.
|
|
*
|
|
* The other parameters are very similar to QPainter::drawPixmap :
|
|
* (@p x, @p y) define the position in the painter,
|
|
* (@p sx, @p sy) specify the top-left point in pixmap that is to be drawn. The default is (0, 0).
|
|
* (@p sw, @p sh) specify the size of the pixmap that is to be drawn. The default, (-1, -1), means all the way to the bottom
|
|
* right of the pixmap.
|
|
*/
|
|
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);
|
|
|
|
/**
|
|
* Create a dragobject containing this picture.
|
|
* @param dragSource must be 0 when copying to the clipboard
|
|
* @return 0L if the picture is null!
|
|
*/
|
|
virtual QDragObject* dragObject( QWidget *dragSource = 0L, const char *name = 0L );
|
|
|
|
virtual bool load(QIODevice* io, const QString& extension);
|
|
|
|
virtual bool loadData(const QByteArray& array, const QString& extension);
|
|
|
|
/**
|
|
* save file
|
|
* @param io QIODevice used for saving
|
|
*/
|
|
virtual bool save(QIODevice* io) const;
|
|
|
|
/**
|
|
* OASIS FlatXML support:
|
|
* Save picture as base64-encoded data into an XML writer.
|
|
*/
|
|
virtual bool saveAsBase64( KoXmlWriter& writer ) const;
|
|
|
|
virtual QSize getOriginalSize(void) const;
|
|
|
|
virtual QPixmap generatePixmap(const QSize& size, bool smoothScale = false);
|
|
|
|
virtual QString getMimeType(const QString& extension) const;
|
|
|
|
bool isSlowResizeModeAllowed(void) const;
|
|
|
|
/**
|
|
* Generate a QImage
|
|
* (always in slow mode)
|
|
*/
|
|
virtual QImage generateImage(const QSize& size);
|
|
|
|
virtual bool hasAlphaBuffer() const
|
|
{ return false; }
|
|
virtual void setAlphaBuffer(bool /*enable*/)
|
|
{ }
|
|
virtual QImage createAlphaMask(int /*conversion_flags*/ = 0) const
|
|
{ return QImage(); }
|
|
|
|
virtual void clearCache(void);
|
|
};
|
|
|
|
#endif /* __koPictureBase_h__ */
|