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/****************************************************************************
** $Id$
**
** ImlibWidget: maps an Xlib window with Imlib's contents on a QWidget
**
** Created : 98
**
** Copyright (C) 1998-2001 by Carsten Pfeiffer. All rights reserved.
**
****************************************************************************/
#ifndef IMLIBWIDGET_H
#define IMLIBWIDGET_H
#include <tqvariant.h>
#include <tqcursor.h>
#include <tqevent.h>
#include <tqptrlist.h>
#include <tqtimer.h>
#include <tqwidget.h>
#include <kurl.h>
// #include those AFTER Qt-includes!
#include <Imlib.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
// #include <X11/extensions/shape.h>
#include "imdata.h"
#include "kuickdata.h"
class KuickFile;
class KuickImage;
class ImageCache : public QObject
{
Q_OBJECT
public:
ImageCache( ImlibData *id, int maxImages=1 );
~ImageCache();
void setMaxImages( int maxImages );
int maxImages() const { return myMaxImages; }
KuickImage * getKuimage( KuickFile * file, ImlibColorModifier );
private:
ImlibImage * loadImageWithQt( const TQString& filename ) const;
int myMaxImages;
TQValueList<KuickFile*>fileList;
TQPtrList<KuickImage> kuickList;
// TQPtrList<ImlibImage> imList;
ImlibData * myId;
int idleCount;
private slots:
void slotBusy();
void slotIdle();
signals:
void sigBusy();
void sigIdle();
};
// ------------------------------------------
class TQColor;
class ImlibWidget : public QWidget
{
Q_OBJECT
public:
ImlibWidget( ImData *_idata=0, TQWidget *parent=0, const char *name=0 );
ImlibWidget( ImData *_idata, ImlibData *id, TQWidget *parent=0,
const char *name=0 );
virtual ~ImlibWidget();
KURL url() const;
KuickFile * currentFile() const;
bool loadImage( KuickFile * file );
bool loadImage( const KURL& url );
bool cacheImage(const KURL& url );
void zoomImage( float );
void setBrightness( int );
void setContrast( int );
void setGamma( int );
void setRotation( Rotation );
void setFlipMode( int mode );
int brightness() const; // ### no impl!
int contrast() const; // ### no impl!
int gamma() const; // ### no impl!
Rotation rotation() const;
FlipMode flipMode() const;
int imageWidth() const;
int imageHeight() const;
void setAutoRender( bool enable ) { isAutoRendering = enable;}
bool isAutoRenderEnabled() const { return isAutoRendering; }
void setMaxImageCache( int );
int maxImageCache() const { return myMaxImageCache; }
const TQColor& backgroundColor() const;
void setBackgroundColor( const TQColor& );
/**
* @return true if auto-rotation is not possible, e.g. because no metadata
* about orientation is available
*/
virtual bool autoRotate( KuickImage *kuim );
ImlibData* getImlibData() const { return id; }
virtual void reparent( TQWidget* parent, WFlags f, const TQPoint& p, bool showIt = FALSE );
public slots:
void rotate90();
void rotate270();
void rotate180();
void flipHoriz();
void flipVert();
void showImageOriginalSize();
inline void updateImage() { updateWidget( true ); }
protected:
KuickImage * loadImageInternal( KuickFile * file );
void showImage();
void setImageModifier();
void rotate( int );
void updateWidget( bool geometryUpdate=true );
virtual void updateGeometry( int width, int height );
virtual void loaded( KuickImage * );
virtual bool canZoomTo( int newWidth, int newHeight );
virtual void rotated( KuickImage *kuim, int rotation );
void closeEvent( TQCloseEvent * );
inline void autoUpdate( bool geometryUpdate=false ) {
if ( isAutoRendering )
updateWidget( geometryUpdate );
}
bool stillResizing, deleteImData, deleteImlibData;
bool imlibModifierChanged;
KuickImage *m_kuim;
ImageCache *imageCache;
ImlibData *id;
ImData *idata;
Window win;
ImlibColorModifier mod;
KuickFile *m_kuickFile;
TQCursor m_oldCursor;
static const int ImlibOffset;
private:
void init();
bool isAutoRendering;
int myMaxImageCache;
TQColor myBackgroundColor;
protected slots:
bool cacheImage( KuickFile *file );
virtual void setBusyCursor();
virtual void restoreCursor();
signals:
void sigImageError( const KuickFile * file, const TQString& );
};
#endif
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