void KScienceSaver::slotTimeout()
{
if( grabPixmap ) {
if( !QWidget::find(winId())->isActiveWindow() )
return;
grabPreviewWidget();
grabPixmap = false;
initialize();
if( hideBG[mode] )
do_refresh( QRect ( 0, 0, width(), height() ) );
}
signed int oldx = xcoord, oldy = ycoord;
if( gravity[mode] ) {
double h = double(y+1.0) / double(height()-diam);
if( h > 1.0 ) h = 1.0;
vy = sqrt( h ) * ( (vy > 0.0) ? moveY[mode] : -moveY[mode] );
}
myAssert( abs((int)rint(vy)) <= border, "assertion violated: vy <= border" );
if( moveOn )
{
x += vx;
y += vy;
}
if( x <= 0.0 ) {
vx = -vx;
x = 0.0;
}
if( int(x) + diam >= width()) {
vx = -vx;
myAssert( width()-diam > 0, "assertion violated: width-diam > 0" );
x = (double) (width() - diam - 1);
}
if( y <= 0.0 ) {
vy = -vy;
y = 0.0;
}
if( int(y) + diam >= height() ) {
vy = -vy;
myAssert( height() - diam > 0, "assertion violated: height-diam > 0" );
y = (double) (height() - diam - 1);
}
xcoord = (int) x ;
ycoord = (int) y ;
signed int dx = (signed int) xcoord - oldx;
signed int dy = (signed int) ycoord - oldy;
signed int xs, ys, xd, yd, w, h;
if( dx > 0 ) {
w = diam+dx;
xd = oldx;
xs = border-dx;
if( dy > 0 ) {
h = diam+dy;
yd = oldy;
ys = border-dy;
}
else {
h = diam-dy;
yd = ycoord;
ys = border;
}
}
else {
w = diam-dx;
xd = xcoord;
xs = border;
if( dy > 0 ) {
h = diam+dy;
yd = oldy;
ys = border-dy;
} else {
h = diam-dy;
yd = ycoord;
ys = border;
}
}
if( xd + w >= width() ) w = width() - xd - 1;
if( yd + h >= height() ) h = height() - yd - 1;
//printf("%d: (dx: %3d, dy: %3d), diam: %3d, (xc: %3d, yc: %3d), (xs: %3d, ys: %3d), (xd: %3d, yd: %3d), (w: %3d, h: %3d)\n", mode, dx, dy, diam, xcoord, ycoord, xs, ys, xd, yd, w, h);
myAssert( dx <= border && dy <=border, "assertion violated: dx or dy <= border");
myAssert( xcoord >= 0 && ycoord >= 0, "assertion violated: xcoord, ycoord >= 0 ");
myAssert( xd+w < width(), "assertion violated: xd+w < width" );
myAssert( yd+h < height(), "assertion violated: yd+h < height" );
if( hideBG[mode] )
blackPixel( xcoord, ycoord );
(this->*applyLens)(xs, ys, xd, yd, w, h);
XPutImage( qt_xdisplay(), winId(), d->gc, d->buffer, 0, 0, xd, yd, w, h );
if( hideBG[mode] )
blackPixelUndo( xcoord, ycoord );
}
void ImageDisplayerWidgetImpl3::reset(){
QImage blackPixel(1,1,QImage::Format_RGB888);
blackPixel.fill(Qt::black);
this->_renderingThread.delegateRenderImage(blackPixel);
}
