// Note: with no antialiasing, the coordinates in QPointF are rounded to the nearest integer.
void
TransitionWidget::paintEvent(QPaintEvent*)
{
if (pointList_ == nullptr) {
return;
}
QPainter painter(this);
painter.setFont(QFont("monospace"));
if (dataUpdated_) {
QFontMetrics fm = painter.fontMetrics();
textYOffset_ = 0.5 * fm.ascent();
leftMargin_ = MARGIN + TEXT_MARGIN + fm.width(transitionYLabels[0]);
updateScales();
dataUpdated_ = false;
}
if (special_) {
// Gray area.
painter.fillRect(QRectF(QPointF(leftMargin_, MARGIN + 7.0 * yStep_), QPointF(leftMargin_ + graphWidth_, MARGIN + 14.0 * yStep_)), Qt::gray);
// Y labels.
for (unsigned int i = 0; i < specialTransitionYLabels.size(); ++i) {
double y = MARGIN + i * yStep_ + textYOffset_;
painter.drawText(QPointF(MARGIN, y), specialTransitionYLabels[i]);
painter.drawText(QPointF(leftMargin_ + graphWidth_ + TEXT_MARGIN, y), specialTransitionYLabels[i]);
}
} else {
// Gray areas.
painter.fillRect(QRectF(QPointF(leftMargin_, MARGIN), QPointF(leftMargin_ + graphWidth_, MARGIN + 2.0 * yStep_)), Qt::gray);
painter.fillRect(QRectF(QPointF(leftMargin_, MARGIN + 12.0 * yStep_), QPointF(leftMargin_ + graphWidth_, MARGIN + 14.0 * yStep_)), Qt::gray);
// Y labels.
for (unsigned int i = 0; i < transitionYLabels.size(); ++i) {
double y = MARGIN + i * yStep_ + textYOffset_;
painter.drawText(QPointF(MARGIN, y), transitionYLabels[i]);
painter.drawText(QPointF(leftMargin_ + graphWidth_ + TEXT_MARGIN, y), transitionYLabels[i]);
}
}
// Horizontal lines.
for (int i = 0; i < 15; ++i) {
double y = MARGIN + i * yStep_;
painter.drawLine(QPointF(leftMargin_, y), QPointF(leftMargin_ + graphWidth_, y));
}
QPen pen;
QPen pen2;
pen2.setWidth(2);
painter.setRenderHint(QPainter::Antialiasing);
// Lines.
if (!pointList_->empty()) {
painter.setPen(pen2);
QPointF prevP(0.5 + timeToX(0.0), 0.5 + valueToY(0.0));
for (unsigned int i = 0, size = pointList_->size(); i < size; ++i) {
const auto& point = (*pointList_)[i];
QPointF p(0.5 + timeToX(point.time), 0.5 + valueToY(point.value));
painter.drawLine(prevP, p);
prevP = p;
if (i != size - 1) {
if (point.type != (*pointList_)[i + 1].type) {
prevP.setY(0.5 + valueToY(0.0));
}
}
}
QPointF p(0.5 + timeToX(ruleDuration_), 0.5 + valueToY(special_ ? 0.0 : 100.0));
painter.drawLine(prevP, p);
painter.setPen(pen);
}
painter.setBrush(QBrush(Qt::black));
// Points.
if (!pointList_->empty()) {
for (auto& point : *pointList_) {
double x = 0.5 + timeToX(point.time);
double y = 0.5 + valueToY(point.value);
switch (point.type) {
case TRMControlModel::Transition::Point::TYPE_DIPHONE:
drawDiPoint(painter, x, y);
break;
case TRMControlModel::Transition::Point::TYPE_TRIPHONE:
drawTriPoint(painter, x, y);
break;
case TRMControlModel::Transition::Point::TYPE_TETRAPHONE:
drawTetraPoint(painter, x, y);
break;
default:
break;
}
}
}
// Posture markers.
double yMarker = 0.5 + 0.5 * yStep_ + textYOffset_;
switch (transitionType_) {
case TRMControlModel::Transition::TYPE_DIPHONE:
drawDiPoint(painter, 0.5 + timeToX(ruleDuration_), yMarker);
break;
case TRMControlModel::Transition::TYPE_TRIPHONE:
drawDiPoint( painter, 0.5 + timeToX(mark1_) , yMarker);
drawTriPoint(painter, 0.5 + timeToX(ruleDuration_), yMarker);
break;
case TRMControlModel::Transition::TYPE_TETRAPHONE:
drawDiPoint( painter, 0.5 + timeToX(mark1_) , yMarker);
drawTriPoint( painter, 0.5 + timeToX(mark2_) , yMarker);
drawTetraPoint(painter, 0.5 + timeToX(ruleDuration_), yMarker);
break;
default:
break;
}
painter.setBrush(QBrush());
painter.setRenderHint(QPainter::Antialiasing, false);
// Posture vertical lines.
double yPosture1 = special_ ? valueToY(-140.0) : valueToY(-20.0);
double yPosture2 = special_ ? valueToY( 140.0) : valueToY(120.0);
double x = timeToX(0.0);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
switch (transitionType_) {
case TRMControlModel::Transition::TYPE_DIPHONE:
x = timeToX(ruleDuration_);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
break;
case TRMControlModel::Transition::TYPE_TRIPHONE:
x = timeToX(mark1_);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
x = timeToX(ruleDuration_);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
break;
case TRMControlModel::Transition::TYPE_TETRAPHONE:
x = timeToX(mark1_);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
x = timeToX(mark2_);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
x = timeToX(ruleDuration_);
painter.drawLine(QPointF(x, yPosture1), QPointF(x, yPosture2));
break;
default:
break;
}
if (!pointList_->empty()) {
if (!special_) {
// Slopes.
double y1 = MARGIN + 15.0 * yStep_;
double y2 = y1 + yStep_;
double yText = y2 - 0.5 * yStep_ + textYOffset_;
for (unsigned int i = 0, end = pointList_->size() - 1; i < end; ++i) {
const auto& point1 = (*pointList_)[i];
if (point1.hasSlope) {
const auto& point2 = (*pointList_)[i + 1];
painter.setPen(Qt::gray);
painter.drawRect(QRectF(QPointF(timeToX(point1.time), y1), QPointF(timeToX(point2.time), y2)));
painter.setPen(Qt::black);
painter.drawText(
QPointF(timeToX(point1.time) + SLOPE_TEXT_MARGIN, yText),
QString("%1").arg(point1.slope, 0, 'f', 1));
}
}
}
// Selected point.
if (selectedPointIndex_ >= 0 && static_cast<std::size_t>(selectedPointIndex_) < pointList_->size()) {
const auto& point = (*pointList_)[selectedPointIndex_];
double x = timeToX(point.time);
double y = valueToY(point.value);
painter.drawRect(QRectF(
QPointF(x - SELECTION_SIZE, y - SELECTION_SIZE),
QPointF(x + SELECTION_SIZE, y + SELECTION_SIZE)));
}
}
}
// fit a polyline to a bezier patch, return true is treshhold not exceeded (ie: you can continue)
// version that uses tables from the previous iteration, to minimize amount of work done
bool Path::AttemptSimplify (fitting_tables &data,double treshhold, PathDescrCubicTo & res,int &worstP)
{
Geom::Point start,end;
// pour une coordonnee
Geom::Point cp1, cp2;
worstP = 1;
if (pts.size() == 2) {
return true;
}
start[0] = data.Xk[0];
start[1] = data.Yk[0];
cp1[0] = data.Xk[1];
cp1[1] = data.Yk[1];
end[0] = data.Xk[data.nbPt - 1];
end[1] = data.Yk[data.nbPt - 1];
cp2 = cp1;
if (pts.size() == 3) {
// start -> cp1 -> end
res.start = cp1 - start;
res.end = end - cp1;
worstP = 1;
return true;
}
if ( FitCubic(start, res, data.Xk, data.Yk, data.Qk, data.tk, data.nbPt) ) {
cp1 = start + res.start / 3;
cp2 = end - res.end / 3;
} else {
// aie, non-inversible
double worstD = 0;
worstP = -1;
for (int i = 1; i < data.nbPt; i++) {
Geom::Point nPt;
nPt[Geom::X] = data.Xk[i];
nPt[Geom::Y] = data.Yk[i];
double nle = DistanceToCubic(start, res, nPt);
if ( data.fk[i] ) {
// forced points are favored for splitting the recursion; we do this by increasing their distance
if ( worstP < 0 || 2 * nle > worstD ) {
worstP = i;
worstD = 2 * nle;
}
} else {
if ( worstP < 0 || nle > worstD ) {
worstP = i;
worstD = nle;
}
}
}
return false;
}
// calcul du delta= pondere par les longueurs des segments
double delta = 0;
{
double worstD = 0;
worstP = -1;
Geom::Point prevAppP;
Geom::Point prevP;
double prevDist;
prevP[Geom::X] = data.Xk[0];
prevP[Geom::Y] = data.Yk[0];
prevAppP = prevP; // le premier seulement
prevDist = 0;
#ifdef with_splotch_killer
if ( data.nbPt <= 20 ) {
for (int i = 1; i < data.nbPt - 1; i++) {
Geom::Point curAppP;
Geom::Point curP;
double curDist;
Geom::Point midAppP;
Geom::Point midP;
double midDist;
curAppP[Geom::X] = N13(data.tk[i]) * cp1[Geom::X] +
N23(data.tk[i]) * cp2[Geom::X] +
N03(data.tk[i]) * data.Xk[0] +
N33(data.tk[i]) * data.Xk[data.nbPt - 1];
curAppP[Geom::Y] = N13(data.tk[i]) * cp1[Geom::Y] +
N23(data.tk[i]) * cp2[Geom::Y] +
N03(data.tk[i]) * data.Yk[0] +
N33(data.tk[i]) * data.Yk[data.nbPt - 1];
curP[Geom::X] = data.Xk[i];
curP[Geom::Y] = data.Yk[i];
double mtk = 0.5 * (data.tk[i] + data.tk[i - 1]);
midAppP[Geom::X] = N13(mtk) * cp1[Geom::X] +
N23(mtk) * cp2[Geom::X] +
N03(mtk) * data.Xk[0] +
N33(mtk) * data.Xk[data.nbPt - 1];
midAppP[Geom::Y] = N13(mtk) * cp1[Geom::Y] +
N23(mtk) * cp2[Geom::Y] +
N03(mtk) * data.Yk[0] +
N33(mtk) * data.Yk[data.nbPt - 1];
midP = 0.5 * (curP + prevP);
Geom::Point diff = curAppP - curP;
curDist = dot(diff, diff);
diff = midAppP - midP;
midDist = dot(diff, diff);
delta += 0.3333 * (curDist + prevDist + midDist) * data.lk[i];
if ( curDist > worstD ) {
worstD = curDist;
worstP = i;
} else if ( data.fk[i] && 2 * curDist > worstD ) {
worstD = 2*curDist;
worstP = i;
}
prevP = curP;
prevAppP = curAppP;
prevDist = curDist;
}
delta /= data.totLen;
} else {
#endif
for (int i = 1; i < data.nbPt - 1; i++) {
Geom::Point curAppP;
Geom::Point curP;
double curDist;
curAppP[Geom::X] = N13(data.tk[i]) * cp1[Geom::X] +
N23(data.tk[i]) * cp2[Geom::X] +
N03(data.tk[i]) * data.Xk[0] +
N33(data.tk[i]) * data.Xk[data.nbPt - 1];
curAppP[Geom::Y] = N13(data.tk[i]) * cp1[Geom::Y] +
N23(data.tk[i]) * cp2[Geom::Y] +
N03(data.tk[i]) * data.Yk[0] +
N33(data.tk[i]) * data.Yk[data.nbPt - 1];
curP[Geom::X] = data.Xk[i];
curP[Geom::Y] = data.Yk[i];
Geom::Point diff = curAppP-curP;
curDist = dot(diff, diff);
delta += curDist;
if ( curDist > worstD ) {
worstD = curDist;
worstP = i;
} else if ( data.fk[i] && 2 * curDist > worstD ) {
worstD = 2*curDist;
worstP = i;
}
prevP = curP;
prevAppP = curAppP;
prevDist = curDist;
}
#ifdef with_splotch_killer
}
#endif
}
if (delta < treshhold * treshhold) {
// premier jet
// Refine a little.
for (int i = 1; i < data.nbPt - 1; i++) {
Geom::Point pt(data.Xk[i], data.Yk[i]);
data.tk[i] = RaffineTk(pt, start, cp1, cp2, end, data.tk[i]);
if (data.tk[i] < data.tk[i - 1]) {
// Force tk to be monotonic non-decreasing.
data.tk[i] = data.tk[i - 1];
}
}
if ( FitCubic(start, res, data.Xk, data.Yk, data.Qk, data.tk, data.nbPt) == false) {
// ca devrait jamais arriver, mais bon
res.start = 3.0 * (cp1 - start);
res.end = 3.0 * (end - cp2 );
return true;
}
double ndelta = 0;
{
double worstD = 0;
worstP = -1;
Geom::Point prevAppP;
Geom::Point prevP(data.Xk[0], data.Yk[0]);
double prevDist = 0;
prevAppP = prevP; // le premier seulement
#ifdef with_splotch_killer
if ( data.nbPt <= 20 ) {
for (int i = 1; i < data.nbPt - 1; i++) {
Geom::Point curAppP;
Geom::Point curP;
double curDist;
Geom::Point midAppP;
Geom::Point midP;
double midDist;
curAppP[Geom::X] = N13(data.tk[i]) * cp1[Geom::X] +
N23(data.tk[i]) * cp2[Geom::X] +
N03(data.tk[i]) * data.Xk[0] +
N33(data.tk[i]) * data.Xk[data.nbPt - 1];
curAppP[Geom::Y] = N13(data.tk[i]) * cp1[Geom::Y] +
N23(data.tk[i]) * cp2[Geom::Y] +
N03(data.tk[i]) * data.Yk[0] +
N33(data.tk[i]) * data.Yk[data.nbPt - 1];
curP[Geom::X] = data.Xk[i];
curP[Geom::Y] = data.Yk[i];
double mtk = 0.5 * (data.tk[i] + data.tk[i - 1]);
midAppP[Geom::X] = N13(mtk) * cp1[Geom::X] +
N23(mtk) * cp2[Geom::X] +
N03(mtk) * data.Xk[0] +
N33(mtk) * data.Xk[data.nbPt - 1];
midAppP[Geom::Y] = N13(mtk) * cp1[Geom::Y] +
N23(mtk) * cp2[Geom::Y] +
N03(mtk) * data.Yk[0] +
N33(mtk) * data.Yk[data.nbPt - 1];
midP = 0.5 * (curP + prevP);
Geom::Point diff = curAppP - curP;
curDist = dot(diff, diff);
diff = midAppP - midP;
midDist = dot(diff, diff);
ndelta += 0.3333 * (curDist + prevDist + midDist) * data.lk[i];
if ( curDist > worstD ) {
worstD = curDist;
worstP = i;
} else if ( data.fk[i] && 2 * curDist > worstD ) {
worstD = 2*curDist;
worstP = i;
}
prevP = curP;
prevAppP = curAppP;
prevDist = curDist;
}
ndelta /= data.totLen;
} else {
#endif
for (int i = 1; i < data.nbPt - 1; i++) {
Geom::Point curAppP;
Geom::Point curP;
double curDist;
curAppP[Geom::X] = N13(data.tk[i]) * cp1[Geom::X] +
N23(data.tk[i]) * cp2[Geom::X] +
N03(data.tk[i]) * data.Xk[0] +
N33(data.tk[i]) * data.Xk[data.nbPt - 1];
curAppP[Geom::Y] = N13(data.tk[i]) * cp1[Geom::Y] +
N23(data.tk[i]) * cp2[1] +
N03(data.tk[i]) * data.Yk[0] +
N33(data.tk[i]) * data.Yk[data.nbPt - 1];
curP[Geom::X] = data.Xk[i];
curP[Geom::Y] = data.Yk[i];
Geom::Point diff = curAppP - curP;
curDist = dot(diff, diff);
ndelta += curDist;
if ( curDist > worstD ) {
worstD = curDist;
worstP = i;
} else if ( data.fk[i] && 2 * curDist > worstD ) {
worstD = 2 * curDist;
worstP = i;
}
prevP = curP;
prevAppP = curAppP;
prevDist = curDist;
}
#ifdef with_splotch_killer
}
#endif
}
if (ndelta < delta + 0.00001) {
return true;
} else {
// nothing better to do
res.start = 3.0 * (cp1 - start);
res.end = 3.0 * (end - cp2 );
}
return true;
}
return false;
}
