void StyledTextboxView::configureObject(void)
{
QRectF rect;
QPolygonF pol;
QPointF pnt;
this->__configureObject();
fold->setBrush(box->brush());
fold->setPen(box->pen());
rect=box->boundingRect();
pol=box->polygon();
if(rect.height() < fold->boundingRect().height())
rect.setHeight(fold->boundingRect().height() + (2 * VERT_SPACING));
this->resizePolygon(pol, rect.width() + fold->boundingRect().width(), rect.height());
pnt=pol.at(2);
pol.remove(2);
pol.insert(2, QPointF(pnt.x(), roundf(pnt.y() - fold->boundingRect().height())));
pol.insert(3, QPointF(roundf(pnt.x() - fold->boundingRect().width()), pnt.y()));
box->setPolygon(pol);
rect=box->boundingRect();
fold->setPos(rect.width() - fold->boundingRect().width(),
rect.height() - fold->boundingRect().height());
this->configureObjectShadow();
this->configureObjectSelection();
}
void VLCStatsView::addValue( float value )
{
value /= 1000;
QPolygonF shape = totalbitrateShape->polygon();
if ( shape.count() > ( STATS_LENGTH + 2 ) ) /* keep only STATS_LENGTH samples */
{
shape.remove( 1 );
for(int i=1; i<( STATS_LENGTH + 2 ); i++)
( (QPointF &) shape.at(i) ).setX( i - 1 ); /*move back values*/
}
int count = shape.count();
if ( count == 0 )
{
shape << QPointF( 0, 0 ); /* begin and close shape */
shape << QPointF( count, 0 );
}
shape.insert( shape.end() - 1, QPointF( count, value ) );
( (QPointF &) shape.last() ).setX( count );
totalbitrateShape->setPolygon( shape );
addHistoryValue( value );
QRectF maxsizes = scene()->itemsBoundingRect();
maxsizes.setRight( STATS_LENGTH );
fitInView( maxsizes ); /* fix viewport */
drawRulers( maxsizes );
}
static PyObject *meth_QPolygonF_insert(PyObject *sipSelf, PyObject *sipArgs)
{
PyObject *sipParseErr = NULL;
{
int a0;
const QPointF* a1;
int a1State = 0;
QPolygonF *sipCpp;
if (sipParseArgs(&sipParseErr, sipArgs, "BiJ1", &sipSelf, sipType_QPolygonF, &sipCpp, &a0, sipType_QPointF, &a1, &a1State))
{
sipCpp->insert(a0,*a1);
sipReleaseType(const_cast<QPointF *>(a1),sipType_QPointF,a1State);
Py_INCREF(Py_None);
return Py_None;
}
}
/* Raise an exception if the arguments couldn't be parsed. */
sipNoMethod(sipParseErr, sipName_QPolygonF, sipName_insert, doc_QPolygonF_insert);
return NULL;
}
void VLCStatsView::addHistoryValue( float value )
{
/* We keep a full history by creating virtual blocks for inserts, growing
by power of 2 when no more space is available. At this time, we also
free space by agregating the oldest values 2 by 2.
Each shown value finally being a mean of blocksize samples.
*/
bool doinsert = false;
int next_blocksize = blocksize;
QPolygonF shape = historyShape->polygon();
int count = shape.count();
if ( count == 0 )
{
shape << QPointF( 0, 0 ); /* begin and close shape */
shape << QPointF( count, 0 );
}
valuesaccumulator += ( value / blocksize );
valuesaccumulatorcount++;
if ( valuesaccumulatorcount == blocksize )
{
valuesaccumulator = 0;
valuesaccumulatorcount = 0;
doinsert = true;
}
if ( doinsert )
{
if ( count > ( STATS_LENGTH + 2 ) )
{
float y = 0;
y += ((QPointF &) shape.at( historymergepointer + 1 )).y();
y += ((QPointF &) shape.at( historymergepointer + 2 )).y();
y /= 2;
/* merge */
shape.remove( historymergepointer + 2 );
( (QPointF &) shape.at( historymergepointer + 1 ) ).setY( y );
for(int i=historymergepointer +1; i<( STATS_LENGTH + 2 ); i++)
( (QPointF &) shape.at(i) ).setX( i - 1 ); /*move back values*/
historymergepointer++;
if ( historymergepointer > ( STATS_LENGTH - 1 ) )
{
historymergepointer = 0;
next_blocksize = ( blocksize << 1 );
}
}
shape.insert( shape.end() - 1, QPointF( count, value ) );
( (QPointF &) shape.last() ).setX( count );
}
else
( (QPointF &) shape.last() ).setX( count - 1 );
historyShape->setPolygon( shape );
blocksize = next_blocksize;
}
void point_insert(QPolygonF& p, size_t j, float l = 0.5) {
size_t prev = j - 1;
if(j == 0) {
assert(p[p.size() - 1] == p[0]);
prev = p.size() - 2;
}
QPointF newPoint = (1 - l) * p[prev] + l * p[j];
p.insert(j, 1, newPoint);
if(j == 0) {
p[p.size() - 1] = p[0];
}
}
void DialogFunction::onInsertPoint()
{
QAction* pActionInsertPoint = static_cast<QAction*>(sender());
const QPoint& point = pActionInsertPoint->data().toPoint();
QwtArraySeriesData<QPointF>* pSeries = static_cast<QwtArraySeriesData<QPointF>*>(_pCurve->data());
if (pSeries)
{
QPolygonF samples = pSeries->samples();
QPointF newPoint;
newPoint.setX(widgetPlot->invTransform(_pCurve->xAxis(), point.x()));
newPoint.setY(widgetPlot->invTransform(_pCurve->yAxis(), point.y()));
QPolygonF::iterator it = qLowerBound(samples.begin(), samples.end(), newPoint, boost::bind(&QPointF::x, _1) < boost::bind(&QPointF::x, _2));
samples.insert(it, newPoint);
_pCurve->setSamples(samples);
widgetPlot->replot();
}
}
void LineHandler::deleteLoop(QPolygonF &line, int startPos)
{
for (int i = startPos; i < line.size() - 3; ++i) {
bool isCut = false;
for (int j = i + 2; j < line.size() - 1; ++j) {
QPointF cut;
if (QLineF(line[i], line[i + 1]).intersect(QLineF(line[j], line[j + 1]), &cut)
== QLineF::BoundedIntersection)
{
if ((i != 0) || !((j == line.size() - 2)
&& (QLineF(line.first(), line.last()).length() < (kvadratik * 2))))
{
QPainterPath path;
QPainterPathStroker ps;
ps.setWidth(kvadratik);
for (int k = 0; k < line.size() - 1; ++k) {
path.moveTo(line[k]);
path.lineTo(line[k + 1]);
if (ps.createStroke(path).contains(cut)) {
line.insert(k + 1, cut);
break;
}
}
line.remove(i + 2, j - i);
deleteLoop(line, i);
isCut = true;
break;
}
}
}
if (isCut) {
break;
}
}
}
/**
* Splits the selected segments by inserting new nodes in the middle. The
* selected segments are defined by each pair of consecutive \a indexRanges.
*
* This method can deal with both polygons as well as polylines. For polygons,
* pass <code>true</code> for \a closed.
*/
static QPolygonF splitPolygonSegments(const QPolygonF &polygon,
const RangeSet<int> &indexRanges,
bool closed)
{
if (indexRanges.isEmpty())
return polygon;
const int n = polygon.size();
QPolygonF result = polygon;
RangeSet<int>::Range firstRange = indexRanges.begin();
RangeSet<int>::Range it = indexRanges.end();
// assert: firstRange != it
if (closed) {
RangeSet<int>::Range lastRange = it;
--lastRange; // We know there is at least one range
// Handle the case where the first and last nodes are selected
if (firstRange.first() == 0 && lastRange.last() == n - 1) {
const QPointF splitPoint = (result.first() + result.last()) / 2;
result.append(splitPoint);
}
}
do {
--it;
for (int i = it.last(); i > it.first(); --i) {
const QPointF splitPoint = (result.at(i) + result.at(i - 1)) / 2;
result.insert(i, splitPoint);
}
} while (it != firstRange);
return result;
}
ViewerGL::Implementation::WipePolygonEnum
ViewerGL::Implementation::getWipePolygon(const RectD & texRectClipped,
QPolygonF & polygonPoints,
bool rightPlane) const
{
///Compute a second point on the plane separator line
///we don't really care how far it is from the center point, it just has to be on the line
QPointF firstPoint, secondPoint;
QPointF center;
double angle;
{
QMutexLocker l(&wipeControlsMutex);
center = wipeCenter;
angle = wipeAngle;
}
///extrapolate the line to the maximum size of the RoD so we're sure the line
///intersection algorithm works
double maxSize = std::max(texRectClipped.x2 - texRectClipped.x1, texRectClipped.y2 - texRectClipped.y1) * 10000.;
double xmax, ymax;
xmax = std::cos(angle + M_PI_2) * maxSize;
ymax = std::sin(angle + M_PI_2) * maxSize;
firstPoint.setX(center.x() - xmax);
firstPoint.setY(center.y() - ymax);
secondPoint.setX(center.x() + xmax);
secondPoint.setY(center.y() + ymax);
QLineF inter(firstPoint, secondPoint);
QLineF::IntersectType intersectionTypes[4];
QPointF intersections[4];
QLineF topEdge(texRectClipped.x1, texRectClipped.y2, texRectClipped.x2, texRectClipped.y2);
QLineF rightEdge(texRectClipped.x2, texRectClipped.y2, texRectClipped.x2, texRectClipped.y1);
QLineF bottomEdge(texRectClipped.x2, texRectClipped.y1, texRectClipped.x1, texRectClipped.y1);
QLineF leftEdge(texRectClipped.x1, texRectClipped.y1, texRectClipped.x1, texRectClipped.y2);
bool crossingTop = false, crossingRight = false, crossingLeft = false, crossingBtm = false;
int validIntersectionsIndex[4];
validIntersectionsIndex[0] = validIntersectionsIndex[1] = -1;
int numIntersec = 0;
intersectionTypes[0] = inter.intersect(topEdge, &intersections[0]);
if (intersectionTypes[0] == QLineF::BoundedIntersection) {
validIntersectionsIndex[numIntersec] = 0;
crossingTop = true;
++numIntersec;
}
intersectionTypes[1] = inter.intersect(rightEdge, &intersections[1]);
if (intersectionTypes[1] == QLineF::BoundedIntersection) {
validIntersectionsIndex[numIntersec] = 1;
crossingRight = true;
++numIntersec;
}
intersectionTypes[2] = inter.intersect(bottomEdge, &intersections[2]);
if (intersectionTypes[2] == QLineF::BoundedIntersection) {
validIntersectionsIndex[numIntersec] = 2;
crossingBtm = true;
++numIntersec;
}
intersectionTypes[3] = inter.intersect(leftEdge, &intersections[3]);
if (intersectionTypes[3] == QLineF::BoundedIntersection) {
validIntersectionsIndex[numIntersec] = 3;
crossingLeft = true;
++numIntersec;
}
if ( (numIntersec != 0) && (numIntersec != 2) ) {
///Don't bother drawing the polygon, it is most certainly not visible in this case
return ViewerGL::Implementation::eWipePolygonEmpty;
}
///determine the orientation of the planes
double crossProd = ( secondPoint.x() - center.x() ) * ( texRectClipped.y1 - center.y() )
- ( secondPoint.y() - center.y() ) * ( texRectClipped.x1 - center.x() );
if (numIntersec == 0) {
///the bottom left corner is on the left plane
if ( (crossProd > 0) && ( (center.x() >= texRectClipped.x2) || (center.y() >= texRectClipped.y2) ) ) {
///the plane is invisible because the wipe handle is below or on the left of the texRectClipped
return rightPlane ? ViewerGL::Implementation::eWipePolygonEmpty : ViewerGL::Implementation::eWipePolygonFull;
}
///otherwise we draw the entire texture as usual
return rightPlane ? ViewerGL::Implementation::eWipePolygonFull : ViewerGL::Implementation::eWipePolygonEmpty;
} else {
///we have 2 intersects
assert(validIntersectionsIndex[0] != -1 && validIntersectionsIndex[1] != -1);
bool isBottomLeftOnLeftPlane = crossProd > 0;
///there are 6 cases
if (crossingBtm && crossingLeft) {
if ( (isBottomLeftOnLeftPlane && rightPlane) || (!isBottomLeftOnLeftPlane && !rightPlane) ) {
//btm intersect is the first
polygonPoints.insert(0, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x1, texRectClipped.y2) );
polygonPoints.insert( 3, QPointF(texRectClipped.x2, texRectClipped.y2) );
polygonPoints.insert( 4, QPointF(texRectClipped.x2, texRectClipped.y1) );
polygonPoints.insert(5, intersections[validIntersectionsIndex[0]]);
} else {
polygonPoints.insert(0, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x1, texRectClipped.y1) );
polygonPoints.insert(3, intersections[validIntersectionsIndex[0]]);
}
} else if (crossingBtm && crossingTop) {
if ( (isBottomLeftOnLeftPlane && rightPlane) || (!isBottomLeftOnLeftPlane && !rightPlane) ) {
///btm intersect is the second
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y2) );
polygonPoints.insert( 3, QPointF(texRectClipped.x2, texRectClipped.y1) );
polygonPoints.insert(4, intersections[validIntersectionsIndex[1]]);
} else {
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x1, texRectClipped.y2) );
polygonPoints.insert( 3, QPointF(texRectClipped.x1, texRectClipped.y1) );
polygonPoints.insert(4, intersections[validIntersectionsIndex[1]]);
}
} else if (crossingBtm && crossingRight) {
if ( (isBottomLeftOnLeftPlane && rightPlane) || (!isBottomLeftOnLeftPlane && !rightPlane) ) {
///btm intersect is the second
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y1) );
polygonPoints.insert(3, intersections[validIntersectionsIndex[1]]);
} else {
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y2) );
polygonPoints.insert( 3, QPointF(texRectClipped.x1, texRectClipped.y2) );
polygonPoints.insert( 4, QPointF(texRectClipped.x1, texRectClipped.y1) );
polygonPoints.insert(5, intersections[validIntersectionsIndex[1]]);
}
} else if (crossingLeft && crossingTop) {
if ( (isBottomLeftOnLeftPlane && rightPlane) || (!isBottomLeftOnLeftPlane && !rightPlane) ) {
///left intersect is the second
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x1, texRectClipped.y2) );
polygonPoints.insert(3, intersections[validIntersectionsIndex[1]]);
} else {
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y2) );
polygonPoints.insert( 3, QPointF(texRectClipped.x2, texRectClipped.y1) );
polygonPoints.insert( 4, QPointF(texRectClipped.x1, texRectClipped.y1) );
polygonPoints.insert(5, intersections[validIntersectionsIndex[1]]);
}
} else if (crossingLeft && crossingRight) {
if ( (isBottomLeftOnLeftPlane && rightPlane) || (!isBottomLeftOnLeftPlane && !rightPlane) ) {
///left intersect is the second
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert( 1, QPointF(texRectClipped.x1, texRectClipped.y2) );
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y2) );
polygonPoints.insert(3, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert(4, intersections[validIntersectionsIndex[1]]);
} else {
polygonPoints.insert(0, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y1) );
polygonPoints.insert( 3, QPointF(texRectClipped.x1, texRectClipped.y1) );
polygonPoints.insert(4, intersections[validIntersectionsIndex[1]]);
}
} else if (crossingTop && crossingRight) {
if ( (isBottomLeftOnLeftPlane && rightPlane) || (!isBottomLeftOnLeftPlane && !rightPlane) ) {
///right is second
polygonPoints.insert(0, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert( 1, QPointF(texRectClipped.x2, texRectClipped.y2) );
polygonPoints.insert(2, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert(3, intersections[validIntersectionsIndex[0]]);
} else {
polygonPoints.insert(0, intersections[validIntersectionsIndex[0]]);
polygonPoints.insert(1, intersections[validIntersectionsIndex[1]]);
polygonPoints.insert( 2, QPointF(texRectClipped.x2, texRectClipped.y1) );
polygonPoints.insert( 3, QPointF(texRectClipped.x1, texRectClipped.y1) );
polygonPoints.insert( 4, QPointF(texRectClipped.x1, texRectClipped.y2) );
polygonPoints.insert(5, intersections[validIntersectionsIndex[0]]);
}
} else {
assert(false);
}
}
return ViewerGL::Implementation::eWipePolygonPartial;
} // getWipePolygon
QPolygonF minigis::shiftPolygonDifficult(const QPolygonF &origin, qreal delta, bool closed)
{
if (qFuzzyIsNull(delta))
return origin;
QPolygonF path = origin;
QPolygonF norm;
// ----------------- Поиск нормалей к оригинальному полигону
int N = path.size();
for (int i = 1; i < N; ++i) {
QPointF vect = path.at(i) - path.at(i-1);
double len = lengthR2(vect);
if (qFuzzyIsNull(len)) {
path.remove(i);
--N;
--i;
continue;
}
vect /= len;
norm.append(QPointF(vect.y() * delta, -vect.x() * delta));
}
// ----
if (closed) {
QPointF vect = path.first() - path.last();
double len = lengthR2(vect);
if (qFuzzyIsNull(len))
path.remove(path.size() - 1);
else {
vect /= len;
norm.append(QPointF(vect.y() * delta, -vect.x() * delta));
}
}
// ------------------
QVector<QLineF> lines;
// -------------------------- Построение смещенных линий
for (int i = 1; i < path.size(); ++i)
lines.append(QLineF(path.at(i) + norm.at(i-1), path.at(i-1) + norm.at(i-1)));
// ----
if (closed)
lines.append(QLineF(path.first() + norm.last(), path.last() + norm.last()));
// ------------------
QPolygonF shell;
if (lines.isEmpty())
return shell;
// -------------------------- Построение смещенного полигона
N = lines.size();
for (int i = 1; i < N; ++i) {
QPointF tmp;
QLineF::IntersectType type = lines.at(i-1).intersect(lines.at(i), &tmp);
qreal ang = lines.at(i-1).angleTo(lines.at(i));
if (type != QLineF::NoIntersection)
shell.append(tmp);
else {
if (qFuzzyCompare(ang, qreal(180)))
shell.append(lines.at(i).p2() - 2 * norm.at(i));
shell.append(lines.at(i).p2());
}
}
// ----
if (closed) {
QPointF tmp;
QLineF::IntersectType type = lines.last().intersect(lines.first(), &tmp);
qreal ang = lines.last().angleTo(lines.first());
if (type != QLineF::NoIntersection)
shell.append(tmp);
else {
if (qFuzzyCompare(ang, qreal(180)))
shell.append(lines.first().p2() - 2 * norm.first());
shell.append(lines.first().p2());
}
shell.append(shell.first());
}
else {
shell.prepend(lines.first().p2());
shell.append(lines.last().p1());
}
// ------------------
// -------------------------- обрезание острых углов
int k = 0;
N = lines.size();
for (int i = 1; i < N; ++i) {
double ang = lines.at(i-1).angleTo(lines.at(i));
bool first = (120 < ang && ang < 180 && delta < 0) || (180 < ang && ang < 240 && delta > 0);
bool second = (120 < ang && ang < 180 && delta > 0) || (180 < ang && ang < 240 && delta < 0);
if (first) {
int num = closed ? 1 : 0;
QPointF v = shell.at(i + k - num) - path.at(i);
v /= lengthR2(v);
QPointF start = path.at(i) + v * qAbs(delta);
QLineF tmp(start, start + QPointF(-v.y(), v.x()));
QPointF a;
if (tmp.intersect(lines.at(i ), &a) != QLineF::NoIntersection)
shell.replace(i + k - num, a);
if (tmp.intersect(lines.at(i-1), &a) != QLineF::NoIntersection)
shell.insert(i + k - num, a);
++k;
}
else if (second) {
// TODO: cut corner
}
}
// ----
if (closed) {
double ang = lines.last().angleTo(lines.first());
int num = lines.size();
int shellNum = (num + k - 1) % shell.size();
bool first = (120 < ang && ang < 180 && delta < 0) || (180 < ang && ang < 240 && delta > 0);
bool second = (180 < ang && ang < 240 && delta < 0) || (120 < ang && ang < 180 && delta > 0);
if (first) {
QPointF v = shell.at(shellNum) - path.at(num % path.size());
v /= lengthR2(v);
QPointF start = path.at(num % path.size()) + v * qAbs(delta);
QLineF tmp(start, start + QPointF(-v.y(), v.x()));
QPointF a;
if (tmp.intersect(lines.first(), &a) != QLineF::NoIntersection)
shell.replace(shellNum, a);
if (tmp.intersect(lines.last() , &a) != QLineF::NoIntersection)
shell.insert(shellNum, a);
}
else if (second) {
// TODO: cut corner
}
}
// ------------------
return shell;
}
