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/***************************************************************************
imageloader.h - description
-------------------
begin : Sat Dec 1 2001
copyright : (C) 2001 by Richard Groult
email : rgroult@jalix.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 *
* General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA. *
* *
* For license exceptions see LICENSE.EXC file, attached with the source *
* code. *
* *
***************************************************************************/
#ifndef __IMAGELOADER_H__
#define __IMAGELOADER_H__
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
// KDE
#include <kurl.h>
// QT
#include <qevent.h>
#include <qobject.h>
#include <qptrlist.h>
#include <qpixmap.h>
#include <qimage.h>
#ifndef Q_WS_WIN
#include <pthread.h>
#endif
#define Event_ImageLoad QEvent::Enter
class ImageListView;
class KFileItem;
class KPixmapIO;
class QFileInfo;
class ImageLoadEvent : public QEvent
{
public:
ImageLoadEvent (QFileInfo * fi, bool t = true, bool f = false, bool fEXIF=false)
: QEvent (Event_ImageLoad),
Info (fi),
Threaded (t),
Force(f),
ForceEXIF(fEXIF)
{ }
QFileInfo *fileInfo () const
{
return Info;
}
bool threaded () const
{
return Threaded;
}
bool force () const
{
return Force;
}
bool forceEXIF () const
{
return ForceEXIF;
}
private:
QFileInfo * Info;
bool Threaded;
bool Force;
bool ForceEXIF;
};
#define Event_NextImage QEvent::Close
class NextImageEvent:public QEvent
{
public:
NextImageEvent ():QEvent (Event_NextImage)
{
}
};
class ImageLoader:public QObject
{
friend void *__thread_start (void *);
friend void __thread_cleanup (void *);
public:
enum Orientation {
NOT_AVAILABLE=0,
NORMAL=1,
HFLIP=2,
ROT_180=3,
VFLIP=4,
ROT_90_HFLIP=5,
ROT_90=6,
ROT_90_VFLIP=7,
ROT_270=8
};
ImageLoader (ImageListView * parent = 0, const char *name = 0);
~ImageLoader ();
void loadMiniImage (QFileInfo * fi, bool threaded = true, bool force = false, bool forceEXIF=false);
void stopLoading (bool clean = true);
void setThumbnailSize(const QSize newSize);
QSize getThumbnailSize();
void setShowFrame(bool show);
void setUseEXIF(bool useexif);
void setStoreThumbnails(bool store);
bool getStoreThumbnails();
void rotateThumbnailLeft(QFileInfo *fi);
void rotateThumbnailRight(QFileInfo *fi);
QString thumbnailRootPath();
QString thumbnailPath(const QString& path);
KURL::List clearThumbnailDir(const QString& dirpath);
KURL::List updateThumbnailDir(const QString& dirpath);
static bool setEXIFThumbnail(const QString& path, const QImage& thumbnail);
static bool rotateEXIFThumbnail(const QString& path, const Orientation orient);
static bool setEXIFOrientation(const QString& path, const Orientation orient);
protected:
QSize size;
bool showFrame, useEXIF;
void startLoading ();
void loadImageInternal (ImageLoadEvent * e);
void cantLoad (ImageLoadEvent * e);
bool initLoading (ImageLoadEvent * e);
void finishLoading (ImageLoadEvent * e);
void loadWithNoThread (QFileInfo * fi, QWidget * w);
void nextImage ();
QPixmap addBorder(QPixmap *pix, bool hasAlpha=false);
QPixmap addForeground(QPixmap *pix, bool hasAlpha);
void reduce(QImage *im, int w, int h, bool force=false);
virtual bool eventFilter (QObject * o, QEvent * e);
virtual void timerEvent (QTimerEvent * e);
void thread_start ();
void thread_cleanup ();
QString createCahePath(const QString& path);
private:
QPtrList < ImageLoadEvent > EventList;
QPtrList < ImageLoadEvent > ImageLoadedList;
#ifndef Q_WS_WIN
pthread_t ThreadID;
pthread_mutex_t Mutex;
#endif
bool Running;
bool mini_image_outdated, mini_image_file_exists, xvpics_dir_exists;
QString mini_image_path, xvpics_path, image_path;
QPixmap mini_image;
KURL image_url;
bool Loading;
QImage InternalImage;
QString InternalPath;
ImageLoadEvent *InternalEvent;
QImage ptop, pbottom, pright, pleft;
QPixmap pbgxpm;
KPixmapIO *kPio;
ImageListView *imageList;
bool storeth;
QString thumbRoot_KDE, thumbRoot_ShowImg;
};
#endif
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