void FormEditorScene::resetScene()
{
foreach (QGraphicsItem *item, m_manipulatorLayerItem->childItems())
removeItem(item);
setSceneRect(-canvasWidth()/2., -canvasHeight()/2., canvasWidth(), canvasHeight());
}
FormEditorScene::FormEditorScene(FormEditorWidget *view, FormEditorView *editorView)
: QGraphicsScene(),
m_editorView(editorView),
m_showBoundingRects(true)
{
setupScene();
view->setScene(this);
setItemIndexMethod(QGraphicsScene::NoIndex);
setSceneRect(-canvasWidth()/2., -canvasHeight()/2., canvasWidth(), canvasHeight());
}
void
Frame::updateLayoutGeometry()
{
ILOG_TRACE_W(ILX_FRAME);
ILOG_DEBUG( ILX_FRAME, " -> R(%d, %d, %d, %d)\n", canvasX(), canvasY(), canvasWidth(), canvasHeight());
_layout->setGeometry(canvasX(), canvasY(), canvasWidth(), canvasHeight());
}
void QPaintWidget::drawCircle(QPainter *ppainter)
{
if (circle.radius !=0)
{
ppainter->save();
double posXCenter = scalePointX(circle.pos.x());
double posYCenter = scalePointY(circle.pos.y());
int sizeX = static_cast<int>(circle.radius/((maxX - minX) / canvasWidth()));
int sizeY = static_cast<int>(circle.radius/((maxY - minY) / canvasHeight()));
int size = kmin(sizeX, sizeY);
ppainter->setPen(QPen(Qt::darkGreen, kDrawPenWidth));
ppainter->setBrush(QBrush(Qt::transparent));
ppainter->drawEllipse(
posXCenter-size,
posYCenter-size,
2*size+1,
2*size+1
);
ppainter->restore();
}
}
void QPaintWidget::drawFrame(QPainter *ppainter){
QVector<QPointF> linePoints;
linePoints << QPointF(kPadding,kPadding)
<< QPointF(kPadding,canvasHeight()+kPadding)
<< QPointF(kPadding,canvasHeight()+kPadding)
<< QPointF(canvasWidth()+kPadding,canvasHeight()+kPadding)
<< QPointF(canvasWidth()+kPadding,canvasHeight()+kPadding)
<< QPointF(canvasWidth()+kPadding,kPadding)
<< QPointF(canvasWidth()+kPadding,kPadding)
<< QPointF(kPadding,kPadding);
ppainter->save();
ppainter->setPen(QPen(Qt::lightGray,1,Qt::DashLine));
ppainter->drawLines( linePoints );
ppainter->restore();
}
void QPaintWidget::drawAxis(QPainter *ppainter)
{
double w = canvasWidth()+kPadding;
double h = canvasHeight()+kPadding;
double step = 92;
ppainter->save();
ppainter->setPen(QPen(Qt::lightGray,1,Qt::DashLine));
for (double x = kPadding; x <= w; x += step)
{
ppainter->drawLine(QPointF(x,h), QPointF(x,kPadding));
}
for (double y = kPadding; y <= h; y += step)
{
ppainter->drawLine(QPointF(kPadding,y), QPointF(w,y));
}
ppainter->restore();
}
double QPaintWidget::scalePointY(double y){
return ((y - minY)/ (maxY - minY)) * canvasHeight() *(-1) + canvasHeight() + kPadding;
}
/*!
Return an indicator of the closeness of this stroke to \a pen.
Lower value is better.
*/
unsigned int QIMPenStroke::match( QIMPenStroke *pen )
{
double lratio;
if ( links.count() > pen->links.count() )
lratio = (links.count()+2) / (pen->links.count()+2);
else
lratio = (pen->links.count()+2) / (links.count()+2);
lratio -= 1.0;
createSignatures();
pen->createSignatures();
int ch = canvasHeight();
int pch = pen->canvasHeight();
int vdiff, evdiff;
if (!useVertPos) {
// if they are different, need a differnt way of measureing
int h = boundingRect().height();
int ph = pen->boundingRect().height();
int sh = h * 75 / ch;
int sph = ph * 75 / pch;
if (((sh << 1) < sph && sph > 4)
|| ((sph << 1) < ph && ph > 4)) {
return 400000;
}
vdiff = 0;
evdiff = 0;
} else {
int sp = startPoint.y();
int psp = pen->startPoint.y();
vdiff = qAbs(sp - psp);
// Insanely offset?
if ( vdiff > 18 ) {
return 400000;
}
vdiff -= 4;
if ( vdiff < 0 )
vdiff = 0;
// Ending point offset
int lp = lastPoint.y();
int plp = pen->lastPoint.y();
evdiff = qAbs(lp - plp);
// Insanely offset?
if ( evdiff > 20 ) {
return 400000;
}
evdiff -= 5;
if ( evdiff < 0 )
evdiff = 0;
}
// do a correlation with the three available signatures.
int err1 = INT_MAX;
int err2 = INT_MAX;
int err3 = INT_MAX;
err1 = tsig.calcError(pen->tsig);
if ( err1 > tsig.maxError() ) { // no need for more matching
return 400000;
}
// maybe a sliding window is worthwhile for these too.
err2 = dsig.calcError( pen->dsig );
if ( err2 > dsig.maxError() ) {
return 400000;
}
err3 = asig.calcError( pen->asig, pen->dsig );
if ( err3 > asig.maxError() ) {
return 400000;
}
// Some magic numbers here - the addition reduces the weighting of
// the error and compensates for the different error scales. I
// consider the tangent signature to be the best indicator, so it
// has the most weight. This ain't rocket science.
// Basically, these numbers are the tuning factors.
unsigned int err = ( err1 + tsig.weight() )
* ( err2 + dsig.weight() )
* ( err3 + asig.weight() )
+ vdiff * 1000 + evdiff * 500
+ (unsigned int)(lratio * 5000.0);
return err;
}
