kscreensaver/kdesavers/science.h

   1 // ----------------------------------------------------------------
   2 //
   3 // kscience - screen saver for KDE
   4 //
   5 // copyright (c)  Rene Beutler 1998
   6 //
   7
   8 #ifndef __SCIENCE_H__
   9 #define __SCIENCE_H__
  10
  11 #include <qrect.h>
  12 #include <qtimer.h>
  13 //Added by qt3to4:
  14 #include <QPaintEvent>
  15 #include <kdialog.h>
  16 #include <kscreensaver.h>
  17
  18 class QSlider;
  19 class QCheckBox;
  20
  21 #define MAX_MODES  6
  22
  23 typedef signed int T32bit;
  24
  25 class KScienceSaver;
  26
  27 class KPreviewWidget : public QWidget
  28 {
  29         Q_OBJECT
  30 public:
  31         KPreviewWidget( QWidget *parent );
  32         void paintEvent( QPaintEvent *event );
  33         void notifySaver( KScienceSaver *s = 0 );
  34 private:
  35         KScienceSaver *saver;
  36 };
  37
  38 struct KScienceData;
  39
  40 class KScienceSaver : public KScreenSaver
  41 {
  42         Q_OBJECT
  43 public:
  44         KScienceSaver( WId id, bool setup=false, bool gP=false);
  45         virtual ~KScienceSaver();
  46
  47         void do_refresh( const QRect & rect );
  48         void setMode        ( int mode );
  49         void setMoveX       ( signed int s );
  50         void setMoveY       ( signed int s );
  51         void setMove        ( bool s );
  52         void setSize        ( signed int s );
  53         void setIntensity   ( signed int s );
  54         void setSpeed       ( signed int s );
  55         void setInverse     ( bool b );
  56         void setGravity     ( bool b );
  57         void setHideBG      ( bool b );
  58
  59         void myAssert( bool term, const char *sMsg );
  60
  61 private:
  62         void readSettings();
  63         void initLens();
  64         void initialize();
  65         void releaseLens();
  66         void (KScienceSaver::*applyLens)(int xs, int ys, int xd, int yd, int w, int h);
  67
  68 protected slots:
  69         void slotTimeout();
  70
  71 protected:
  72         void       grabRootWindow();
  73         void       grabPreviewWidget();
  74         void       initWhirlLens();
  75         void       initSphereLens();
  76         void       initExponentialLens();
  77         void       initWaveLens();
  78         void       initCurvatureLens();
  79         void       blackPixel( int x, int y );
  80         void       blackPixelUndo( int x, int y);
  81         void       applyLens8bpp( int xs, int ys, int xd, int yd, int w, int h);
  82         void       applyLens16bpp(int xs, int ys, int xd, int yd, int w, int h);
  83         void       applyLens24bpp(int xs, int ys, int xd, int yd, int w, int h);
  84         void       applyLens32bpp(int xs, int ys, int xd, int yd, int w, int h);
  85         QTimer     timer;
  86         bool       moveOn;
  87         bool       setup;
  88         bool       grabPixmap;
  89         int        mode;
  90         bool       inverse[MAX_MODES];
  91         bool       gravity[MAX_MODES];
  92         bool       hideBG[MAX_MODES];
  93         signed int size[MAX_MODES];
  94         signed int moveX[MAX_MODES];
  95         signed int moveY[MAX_MODES];
  96         signed int speed[MAX_MODES];
  97         signed int intensity[MAX_MODES];
  98         int        xcoord, ycoord;
  99         double     x, y, vx, vy;
 100         signed int bpp, side;
 101         int        border, radius, diam, origin;
 102         int        imgnext;
 103         char       blackRestore[4];
 104     KScienceData *d;
 105 };
 106
 107
 108 class KScienceSetup : public KDialog
 109 {
 110         Q_OBJECT
 111 public:
 112         KScienceSetup(QWidget *parent=0, const char *name=0);
 113         ~KScienceSetup();
 114 protected:
 115         void updateSettings();
 116         void readSettings();
 117
 118 private slots:
 119         void slotMode( int );
 120         void slotInverse();
 121         void slotGravity();
 122         void slotHideBG();
 123         void slotMoveX( int );
 124         void slotMoveY( int );
 125         void slotSize( int );
 126         void slotIntensity( int );
 127         void slotSliderPressed();
 128         void slotSliderReleased();
 129         void slotSpeed( int );
 130         void slotOk();
 131         void slotHelp();
 132
 133 private:
 134         KPreviewWidget *preview;
 135         KScienceSaver *saver;
 136         QSlider *slideSize, *slideSpeed, *slideIntensity;
 137         QSlider *slideMoveX, *slideMoveY;
 138         QCheckBox *checkInverse, *checkGravity, *checkHideBG;
 139
 140         int  mode;
 141         bool inverse  [MAX_MODES];
 142         bool gravity  [MAX_MODES];
 143         bool hideBG   [MAX_MODES];
 144         int  moveX    [MAX_MODES];
 145         int  moveY    [MAX_MODES];
 146         int  size     [MAX_MODES];
 147         int  intensity[MAX_MODES];
 148         int  speed    [MAX_MODES];
 149 };
 150 #endif