void QSegmentWidget::clearSegment(int cyl, qreal startAngle, qreal stopAngle)
{
Segment s(startAngle, stopAngle, QColor(Qt::black));
SegmentList sl;
sl.push_back(s);
clearSegments(cyl, sl);
}
void QSegmentWidget::DrawSegments(QPainter *painter,
const SegmentList &s, qreal radius)
{
for (SegmentList::const_iterator i = s.begin(); i != s.end(); i++) {
painter->setRenderHint(QPainter::Antialiasing);
painter->setRenderHint(QPainter::SmoothPixmapTransform);
QBrush b(i->color);
painter->setBrush(b);
QBrush c(i->color.darker(200));
painter->setPen(QPen(c, 0));
int startAngle = qRound(i->first * 16.0);
qreal dAngle = i->second - i->first;
if (dAngle < 0.0)
dAngle += 360.0;
int spanAngle = qRound(dAngle * 16.0);
QRectF r(-radius, -radius, radius * 2.0, radius * 2.0);
if (spanAngle >= 360 * 16) {
// qDebug() << QString("DrawSegments drawEllipse (%1, %2)").arg(-radius).arg(radius * 2.0);
painter->drawEllipse(r);
} else {
// qDebug() << QString("DrawSegments drawPie (%1, %2, %3, %4)").arg(-radius).arg(radius * 2.0).arg(startAngle).arg(spanAngle);
painter->drawPie(r, startAngle, spanAngle);
}
}
}
void BoxShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
if (m_marginBounds.isEmpty())
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
const FloatRect& rect = m_marginBounds.rect();
if (y2 <= rect.y() || y1 >= rect.maxY())
return;
if (!m_marginBounds.isRounded()) {
result.append(LineSegment(m_marginBounds.rect().x(), m_marginBounds.rect().maxX()));
return;
}
float x1 = rect.maxX();
float x2 = rect.x();
float minXIntercept;
float maxXIntercept;
if (m_marginBounds.xInterceptsAtY(y1, minXIntercept, maxXIntercept)) {
x1 = std::min<float>(x1, minXIntercept);
x2 = std::max<float>(x2, maxXIntercept);
}
if (m_marginBounds.xInterceptsAtY(y1, minXIntercept, maxXIntercept)) {
x1 = std::min<float>(x1, minXIntercept);
x2 = std::max<float>(x2, maxXIntercept);
}
ASSERT(x2 >= x1);
result.append(LineSegment(x1, x2));
}
void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow* containingBlock, const FloatingObject* floatingObject, LayoutUnit lineTop, LayoutUnit lineHeight)
{
LayoutUnit shapeTop = containingBlock->logicalTopForFloat(floatingObject) + std::max(LayoutUnit(), containingBlock->marginBeforeForChild(*m_renderer));
LayoutUnit lineTopInShapeCoordinates = lineTop - shapeTop + logicalTopOffset();
if (shapeSizeDirty() || m_lineTop != lineTopInShapeCoordinates || m_lineHeight != lineHeight) {
m_lineTop = lineTopInShapeCoordinates;
m_shapeLineTop = lineTopInShapeCoordinates - logicalTopOffset();
m_lineHeight = lineHeight;
LayoutUnit floatMarginBoxWidth = containingBlock->logicalWidthForFloat(floatingObject);
if (lineOverlapsShapeBounds()) {
SegmentList segments = computeSegmentsForLine(lineTopInShapeCoordinates, lineHeight);
if (segments.size()) {
LayoutUnit rawLeftMarginBoxDelta = segments.first().logicalLeft + containingBlock->marginStartForChild(*m_renderer);
m_leftMarginBoxDelta = clampTo<LayoutUnit>(rawLeftMarginBoxDelta, LayoutUnit(), floatMarginBoxWidth);
LayoutUnit rawRightMarginBoxDelta = segments.last().logicalRight - containingBlock->logicalWidthForChild(*m_renderer) - containingBlock->marginEndForChild(*m_renderer);
m_rightMarginBoxDelta = clampTo<LayoutUnit>(rawRightMarginBoxDelta, -floatMarginBoxWidth, LayoutUnit());
return;
}
}
// Lines that do not overlap the shape should act as if the float
// wasn't there for layout purposes. So we set the deltas to remove the
// entire width of the float.
// FIXME: The latest CSS Shapes spec says that in this case, the
// content should interact with previously stacked floats on the line
// as if this outermost float did not exist. Perhaps obviously, this
// solution cannot do that, and will be revisted with bug 122576.
m_leftMarginBoxDelta = floatMarginBoxWidth;
m_rightMarginBoxDelta = -floatMarginBoxWidth;
}
}
void Tessellation::generateExtrusionContour()
{
for( auto& pos : positions )
extrusionContourVertices.push_back( pos );
extrusionContourIndices = segments;
SegmentList additionalSegments;
Vector n;
int originalSegments = extrusionContourIndices.size();
for( auto& segment : extrusionContourIndices )
{
auto& a = positions[ segment.i1 ];
auto& b = positions[ segment.i2 ];
n.x = (float)(a.y - b.y);
n.y = (float)(b.x - a.x);
n = n.normalized();
_assignNormal( n, segment, 0, additionalSegments );
_assignNormal( n, segment, 1, additionalSegments );
}
//add the created segments to the extrusion segments
extrusionContourIndices.insert( extrusionContourIndices.end(), additionalSegments.begin(), additionalSegments.end() );
}
bool SegmentInformation::getSegmentNumberByTime(mtime_t time, uint64_t *ret) const
{
SegmentList *segList;
MediaSegmentTemplate *mediaTemplate;
uint64_t timescale = 1;
mtime_t duration = 0;
if( (mediaTemplate = inheritSegmentTemplate()) )
{
timescale = mediaTemplate->inheritTimescale();
duration = mediaTemplate->duration.Get();
}
else if ( (segList = inheritSegmentList()) )
{
timescale = segList->inheritTimescale();
duration = segList->getDuration();
}
if(duration)
{
*ret = time / (CLOCK_FREQ * duration / timescale);
return true;
}
return false;
}
void BoxShape::getIncludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const FloatRoundedRect& paddingBounds = shapePaddingBounds();
if (paddingBounds.isEmpty())
return;
const FloatRect& rect = paddingBounds.rect();
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
if (y1 < rect.y() || y2 > rect.maxY())
return;
if (!paddingBounds.isRounded()) {
result.append(LineSegment(rect.x(), rect.maxX()));
return;
}
float x1 = rect.x();
float x2 = rect.maxX();
float minXIntercept;
float maxXIntercept;
if (paddingBounds.xInterceptsAtY(y1, minXIntercept, maxXIntercept)) {
x1 = std::max<float>(x1, minXIntercept);
x2 = std::min<float>(x2, maxXIntercept);
}
if (paddingBounds.xInterceptsAtY(y2, minXIntercept, maxXIntercept)) {
x1 = std::max<float>(x1, minXIntercept);
x2 = std::min<float>(x2, maxXIntercept);
}
result.append(LineSegment(x1, x2));
}
void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow& containingBlock, const FloatingObject& floatingObject, LayoutUnit lineTop, LayoutUnit lineHeight)
{
LayoutUnit borderBoxTop = containingBlock.logicalTopForFloat(&floatingObject) + containingBlock.marginBeforeForChild(&m_renderer);
LayoutUnit borderBoxLineTop = lineTop - borderBoxTop;
if (isShapeDirty() || m_borderBoxLineTop != borderBoxLineTop || m_lineHeight != lineHeight) {
m_borderBoxLineTop = borderBoxLineTop;
m_referenceBoxLineTop = borderBoxLineTop - logicalTopOffset();
m_lineHeight = lineHeight;
LayoutUnit floatMarginBoxWidth = containingBlock.logicalWidthForFloat(&floatingObject);
if (lineOverlapsShapeBounds()) {
SegmentList segments = computeSegmentsForLine(borderBoxLineTop, lineHeight);
if (segments.size()) {
LayoutUnit logicalLeftMargin = containingBlock.style()->isLeftToRightDirection() ? containingBlock.marginStartForChild(&m_renderer) : containingBlock.marginEndForChild(&m_renderer);
LayoutUnit rawLeftMarginBoxDelta = segments.first().logicalLeft + logicalLeftMargin;
m_leftMarginBoxDelta = clampToLayoutUnit(rawLeftMarginBoxDelta, LayoutUnit(), floatMarginBoxWidth);
LayoutUnit logicalRightMargin = containingBlock.style()->isLeftToRightDirection() ? containingBlock.marginEndForChild(&m_renderer) : containingBlock.marginStartForChild(&m_renderer);
LayoutUnit rawRightMarginBoxDelta = segments.last().logicalRight - containingBlock.logicalWidthForChild(&m_renderer) - logicalRightMargin;
m_rightMarginBoxDelta = clampToLayoutUnit(rawRightMarginBoxDelta, -floatMarginBoxWidth, LayoutUnit());
m_lineOverlapsShape = true;
return;
}
}
// Lines that do not overlap the shape should act as if the float
// wasn't there for layout purposes. So we set the deltas to remove the
// entire width of the float.
m_leftMarginBoxDelta = floatMarginBoxWidth;
m_rightMarginBoxDelta = -floatMarginBoxWidth;
m_lineOverlapsShape = false;
}
}
mtime_t SegmentInformation::getPlaybackTimeBySegmentNumber(uint64_t number) const
{
SegmentList *segList;
MediaSegmentTemplate *mediaTemplate;
mtime_t time = 0;
if( (mediaTemplate = inheritSegmentTemplate()) )
{
uint64_t timescale = mediaTemplate->inheritTimescale();
if(mediaTemplate->segmentTimeline.Get())
{
time = mediaTemplate->segmentTimeline.Get()->
getScaledPlaybackTimeByElementNumber(number);
}
else
{
time = number * mediaTemplate->duration.Get();
}
time = CLOCK_FREQ * time / timescale;
}
else if ( (segList = inheritSegmentList()) )
{
time = segList->getPlaybackTimeBySegmentNumber(number);
}
return time;
}
FileInfo*
PieView::_FileAt(const BPoint& where)
{
BRect b = Bounds();
float cx = b.left + b.Width() / 2.0;
float cy = b.top + b.Height() / 2.0;
float dx = where.x - cx;
float dy = where.y - cy;
float dist = sqrt(dx*dx + dy*dy);
int level;
if (dist < kPieCenterSize)
level = 0;
else
level = 1 + (int)((dist - kPieCenterSize) / kPieRingSize);
float angle = rad2deg(atan(dy / dx));
angle = ((dx < 0.0) ? 180.0 : (dy < 0.0) ? 0.0 : 360.0) - angle;
if (fMouseOverInfo.find(level) == fMouseOverInfo.end()) {
// No files in this level (ring) of the pie.
return NULL;
}
SegmentList s = fMouseOverInfo[level];
SegmentList::iterator i = s.begin();
while (i != s.end() && (angle < (*i).begin || (*i).end < angle))
i++;
if (i == s.end()) {
// Nothing at this angle.
return NULL;
}
return (*i).info;
}
QGraphicsScene * ClusteredArranger::arrange(SegmentList const & segments) const {
QGraphicsScene * arrangement = new QGraphicsScene();
QTime time;
time.start();
// determine background
Segment * background = determineBackground(segments);
SegmentList segmentsWOBack = removeBackground(segments, background);
arrangement->setBackgroundBrush(QBrush(QColor(background->color().toQRgb())));
segmentsWOBack.calculateFeatureVariances();
// initialize layout
//initializeLayout(segmentsWOBack, segmentsWOBack.featX(), segmentsWOBack.featY());
initializeLayout(segmentsWOBack, xAxisBox->currentIndex(), yAxisBox->currentIndex());
// find clusters
time.restart();
QList<SegmentList> clusters = meanShift(segmentsWOBack);
qDebug("Segments clustered in %f seconds", time.restart()/1000.0);
qDebug(" %d clusters found", clusters.size());
// refine clusters
//int counter = 0;
foreach (SegmentList cluster, clusters) {
if (clusterBox->currentIndex() == 0) {
refineLayoutCircles(cluster);
}
else if (clusterBox->currentIndex() == 1) {
refineLayoutPiles(cluster);
}
// debug output
/*QGraphicsScene scene;
scene.setBackgroundBrush(QBrush(QColor(255, 255, 255)));
foreach(Segment * const segment, cluster) {
scene.addItem(segment->toQGraphicsItem());
// without the following line QPainter tends to crash
scene.width();
}
++counter;
saveScene(&scene, QString("Test%1.png").arg(counter, 2));*/
}
// refine layout
if (clusterBox->currentIndex() == 0) {
refineLayoutByPlace(clusters);
}
else if (clusterBox->currentIndex() == 1) {
refineLayoutBySize(clusters);
}
// convert the segments to QGraphicsItems and add to QGraphicsScene
foreach(Segment const * const segment, segmentsWOBack) {
arrangement->addItem(segment->toQGraphicsItem());
// without the following line QPainter tends to crash
arrangement->width();
}
size_t IsoffMainParser::parseSegmentList(Node * segListNode, SegmentInformation *info)
{
size_t total = 0;
if(segListNode)
{
std::vector<Node *> segments = DOMHelper::getElementByTagName(segListNode, "SegmentURL", false);
SegmentList *list;
if((list = new (std::nothrow) SegmentList(info)))
{
parseInitSegment(DOMHelper::getFirstChildElementByName(segListNode, "Initialization"), list, info);
if(segListNode->hasAttribute("duration"))
list->duration.Set(Integer<stime_t>(segListNode->getAttributeValue("duration")));
if(segListNode->hasAttribute("timescale"))
list->timescale.Set(Integer<uint64_t>(segListNode->getAttributeValue("timescale")));
uint64_t nzStartTime = 0;
std::vector<Node *>::const_iterator it;
for(it = segments.begin(); it != segments.end(); ++it)
{
Node *segmentURL = *it;
Segment *seg = new (std::nothrow) Segment(info);
if(!seg)
continue;
std::string mediaUrl = segmentURL->getAttributeValue("media");
if(!mediaUrl.empty())
seg->setSourceUrl(mediaUrl);
if(segmentURL->hasAttribute("mediaRange"))
{
std::string range = segmentURL->getAttributeValue("mediaRange");
size_t pos = range.find("-");
seg->setByteRange(atoi(range.substr(0, pos).c_str()), atoi(range.substr(pos + 1, range.size()).c_str()));
}
if(list->duration.Get())
{
seg->startTime.Set(nzStartTime);
seg->duration.Set(list->duration.Get());
nzStartTime += list->duration.Get();
}
seg->setSequenceNumber(total);
list->addSegment(seg);
total++;
}
info->setSegmentList(list);
}
}
return total;
}
SegmentList SegmentList::clone() const
{
SegmentList dl;
Segment* s = _first;
for (int i = 0; i < _size; ++i) {
Segment* ns = s->clone();
dl.push_back(ns);
s = s->next();
}
dl.check();
return dl;
}
void QSegmentWidget::addSegment(int cyl, qreal startAngle, qreal stopAngle, QColor color)
{
// Segment s(startAngle, stopAngle, color);
QSegmentWidget::Segment s;
s.first = startAngle;
s.second = stopAngle;
s.color = color;
SegmentList sl;
sl.push_back(s);
addSegments(cyl, sl);
}
void drawInputSegments(){
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0,0.0,0.0);
glPointSize(3.0);
cout << segments.size() << endl;
for (int i = 0; i < segments.size(); i++){
glBegin(GL_LINES);
glVertex2d(segments[i].p1[0], segments[i].p1[1]);
glVertex2d(segments[i].p2[0], segments[i].p2[1]);
glEnd();
glFlush();
}
}
void getInputSegments(){
segments.push_back(Line(20, 55, 60, 55));
segments.push_back(Line(20, 5, 20, 55)); //TODO: real input
segments.push_back(Line(60, 5, 20, 5));
segments.push_back(Line(60, 55, 60, 5));
//segments.push_back(Line(20, 5, 40, 63));
planner = PathPlanner(segments);
planner.populateTrajectory();
StateTrajectory* traj = planner.getPathTrajectory();
for (int i = 0; i < traj->size(); i++){
cout << traj->at(i).toString() << endl;
}
}
SegmentList ShapeOutsideInfo::computeSegmentsForLine(LayoutUnit lineTop, LayoutUnit lineHeight) const
{
ASSERT(lineHeight >= 0);
SegmentList segments;
computedShape().getExcludedIntervals((lineTop - logicalTopOffset()), std::min(lineHeight, shapeLogicalBottom() - lineTop), segments);
for (size_t i = 0; i < segments.size(); i++) {
segments[i].logicalLeft += logicalLeftOffset();
segments[i].logicalRight += logicalLeftOffset();
}
return segments;
}
size_t IsoffMainParser::parseSegmentBase(Node * segmentBaseNode, SegmentInformation *info)
{
size_t list_count = 0;
if(!segmentBaseNode)
return 0;
else if(segmentBaseNode->hasAttribute("indexRange"))
{
SegmentList *list = new SegmentList();
Segment *seg;
size_t start = 0, end = 0;
if (std::sscanf(segmentBaseNode->getAttributeValue("indexRange").c_str(), "%zu-%zu", &start, &end) == 2)
{
IndexSegment *index = new DashIndexSegment(info);
index->setByteRange(start, end);
list->indexSegment.Set(index);
/* index must be before data, so data starts at index end */
seg = new Segment(info);
seg->setByteRange(end + 1, 0);
}
else
{
seg = new Segment(info);
}
list_count++;
list->addSegment(seg);
info->setSegmentList(list);
Node *initSeg = DOMHelper::getFirstChildElementByName(segmentBaseNode, "Initialization");
if(initSeg)
{
SegmentBase *base = new SegmentBase();
parseInitSegment(initSeg, base, info);
info->setSegmentBase(base);
}
}
else
{
SegmentBase *base = new SegmentBase();
parseInitSegment(DOMHelper::getFirstChildElementByName(segmentBaseNode, "Initialization"), base, info);
info->setSegmentBase(base);
}
return list_count;
}
/// arc in radians
void TrackData::AddCurve (SegmentList& segments, float arc, float radius, float end_width_l, float end_width_r)
{
arc = arc * PI/180.0f;
float length = fabs(arc) * radius;
int N = 1 + (int) floor(length/step);
float s = length / (float) N;
float d_width_l = (end_width_l - width_l) / (float) N;
float d_width_r = (end_width_r - width_r) / (float) N;
float d_angle = arc / (float) N;
float start_angle = angle;
float hpi = (float) (PI/2.0);
for (int i=0; i<N; ++i) {
mid.x += s*sin(angle);
mid.y += s*cos(angle);
Point left(mid.x + width_l*sin(angle - hpi),
mid.y + width_l*cos(angle - hpi),
mid.z);
Point right(mid.x + width_r*sin(angle + hpi),
mid.y + width_r*cos(angle + hpi),
mid.z);
segments.Add (Segment (left, right));
angle += d_angle;
width_l += d_width_l;
width_r += d_width_r;
}
width_l = end_width_l;
width_r = end_width_r;
angle = start_angle + arc;
}
void ExclusionRectangle::getExcludedIntervals(float logicalTop, float logicalBottom, SegmentList& result) const
{
float y1 = minYForLogicalLine(logicalTop, logicalBottom);
float y2 = maxYForLogicalLine(logicalTop, logicalBottom);
if (y2 < m_y || y1 >= m_y + m_height)
return;
float x1 = m_x;
float x2 = m_x + m_width;
if (m_ry > 0) {
if (y2 < m_y + m_ry) {
float yi = y2 - m_y - m_ry;
float xi = ellipseXIntercept(yi, m_rx, m_ry);
x1 = m_x + m_rx - xi;
x2 = m_x + m_width - m_rx + xi;
} else if (y1 > m_y + m_height - m_ry) {
float yi = y1 - (m_y + m_height - m_ry);
float xi = ellipseXIntercept(yi, m_rx, m_ry);
x1 = m_x + m_rx - xi;
x2 = m_x + m_width - m_rx + xi;
}
}
result.append(LineSegment(x1, x2));
}
void RectangleShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const FloatRoundedRect& bounds = shapeMarginBounds();
if (bounds.isEmpty())
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
if (y2 < bounds.y() || y1 >= bounds.maxY())
return;
float x1 = bounds.x();
float x2 = bounds.maxX();
if (bounds.ry() > 0) {
if (y2 < bounds.y() + bounds.ry()) {
float yi = y2 - bounds.y() - bounds.ry();
float xi = ellipseXIntercept(yi, bounds.rx(), bounds.ry());
x1 = bounds.x() + bounds.rx() - xi;
x2 = bounds.maxX() - bounds.rx() + xi;
} else if (y1 > bounds.maxY() - bounds.ry()) {
float yi = y1 - (bounds.maxY() - bounds.ry());
float xi = ellipseXIntercept(yi, bounds.rx(), bounds.ry());
x1 = bounds.x() + bounds.rx() - xi;
x2 = bounds.maxX() - bounds.rx() + xi;
}
}
result.append(LineSegment(x1, x2));
}
void PolygonShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const FloatPolygon& polygon = shapeMarginBounds();
if (polygon.isEmpty())
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
FloatShapeIntervals y1XIntervals, y2XIntervals;
computeXIntersections(polygon, y1, true, y1XIntervals);
computeXIntersections(polygon, y2, false, y2XIntervals);
FloatShapeIntervals mergedIntervals;
FloatShapeInterval::uniteShapeIntervals(y1XIntervals, y2XIntervals, mergedIntervals);
FloatShapeIntervals edgeIntervals;
computeOverlappingEdgeXProjections(polygon, y1, y2, edgeIntervals);
FloatShapeIntervals excludedIntervals;
FloatShapeInterval::uniteShapeIntervals(mergedIntervals, edgeIntervals, excludedIntervals);
for (unsigned i = 0; i < excludedIntervals.size(); ++i) {
FloatShapeInterval interval = excludedIntervals[i];
result.append(LineSegment(interval.x1(), interval.x2()));
}
}
void PolygonShape::getIncludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const FloatPolygon& polygon = shapePaddingBounds();
if (polygon.isEmpty())
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
FloatShapeIntervals y1XIntervals, y2XIntervals;
computeXIntersections(polygon, y1, true, y1XIntervals);
computeXIntersections(polygon, y2, false, y2XIntervals);
FloatShapeIntervals commonIntervals;
FloatShapeInterval::intersectShapeIntervals(y1XIntervals, y2XIntervals, commonIntervals);
FloatShapeIntervals edgeIntervals;
computeOverlappingEdgeXProjections(polygon, y1, y2, edgeIntervals);
FloatShapeIntervals includedIntervals;
FloatShapeInterval::subtractShapeIntervals(commonIntervals, edgeIntervals, includedIntervals);
for (unsigned i = 0; i < includedIntervals.size(); ++i) {
const FloatShapeInterval& interval = includedIntervals[i];
result.append(LineSegment(interval.x1(), interval.x2()));
}
}
void PolygonShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
if (m_polygon.isEmpty() || !m_polygon.boundingBox().overlapsYRange(y1 - shapeMargin(), y2 + shapeMargin()))
return;
Vector<const FloatPolygonEdge*> overlappingEdges;
if (!m_polygon.overlappingEdges(y1 - shapeMargin(), y2 + shapeMargin(), overlappingEdges))
return;
FloatShapeInterval excludedInterval;
for (unsigned i = 0; i < overlappingEdges.size(); i++) {
const FloatPolygonEdge& edge = *(overlappingEdges[i]);
if (!shapeMargin())
excludedInterval.unite(OffsetPolygonEdge(edge, FloatSize()).clippedEdgeXRange(y1, y2));
else {
excludedInterval.unite(OffsetPolygonEdge(edge, outwardEdgeNormal(edge) * shapeMargin()).clippedEdgeXRange(y1, y2));
excludedInterval.unite(OffsetPolygonEdge(edge, inwardEdgeNormal(edge) * shapeMargin()).clippedEdgeXRange(y1, y2));
excludedInterval.unite(clippedCircleXRange(edge.vertex1(), shapeMargin(), y1, y2));
}
}
if (!excludedInterval.isEmpty())
result.append(LineSegment(excludedInterval.x1(), excludedInterval.x2()));
}
void ExclusionPolygon::getIncludedIntervals(float logicalTop, float logicalHeight, SegmentList& result) const
{
if (isEmpty())
return;
float y1 = minYForLogicalLine(logicalTop, logicalHeight);
float y2 = maxYForLogicalLine(logicalTop, logicalHeight);
Vector<ExclusionInterval> y1XIntervals, y2XIntervals;
computeXIntersections(y1, true, y1XIntervals);
computeXIntersections(y2, false, y2XIntervals);
Vector<ExclusionInterval> commonIntervals;
intersectExclusionIntervals(y1XIntervals, y2XIntervals, commonIntervals);
Vector<ExclusionInterval> edgeIntervals;
computeEdgeIntersections(y1, y2, edgeIntervals);
Vector<ExclusionInterval> includedIntervals;
subtractExclusionIntervals(commonIntervals, edgeIntervals, includedIntervals);
for (unsigned i = 0; i < includedIntervals.size(); i++) {
ExclusionInterval interval = includedIntervals[i];
result.append(LineSegment(interval.x1, interval.x2));
}
}
void ExclusionPolygon::getExcludedIntervals(float logicalTop, float logicalHeight, SegmentList& result) const
{
const FloatPolygon& polygon = shapeMarginBounds();
if (polygon.isEmpty())
return;
float y1 = logicalTop;
float y2 = y1 + logicalHeight;
Vector<ExclusionInterval> y1XIntervals, y2XIntervals;
computeXIntersections(polygon, y1, true, y1XIntervals);
computeXIntersections(polygon, y2, false, y2XIntervals);
Vector<ExclusionInterval> mergedIntervals;
mergeExclusionIntervals(y1XIntervals, y2XIntervals, mergedIntervals);
Vector<ExclusionInterval> edgeIntervals;
computeOverlappingEdgeXProjections(polygon, y1, y2, edgeIntervals);
Vector<ExclusionInterval> excludedIntervals;
mergeExclusionIntervals(mergedIntervals, edgeIntervals, excludedIntervals);
for (unsigned i = 0; i < excludedIntervals.size(); ++i) {
ExclusionInterval interval = excludedIntervals[i];
result.append(LineSegment(interval.x1, interval.x2));
}
}
void ExclusionPolygon::getIncludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const FloatPolygon& polygon = shapePaddingBounds();
if (polygon.isEmpty())
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
Vector<ExclusionInterval> y1XIntervals, y2XIntervals;
computeXIntersections(polygon, y1, true, y1XIntervals);
computeXIntersections(polygon, y2, false, y2XIntervals);
Vector<ExclusionInterval> commonIntervals;
intersectExclusionIntervals(y1XIntervals, y2XIntervals, commonIntervals);
Vector<ExclusionInterval> edgeIntervals;
computeOverlappingEdgeXProjections(polygon, y1, y2, edgeIntervals);
Vector<ExclusionInterval> includedIntervals;
subtractExclusionIntervals(commonIntervals, edgeIntervals, includedIntervals);
for (unsigned i = 0; i < includedIntervals.size(); ++i) {
ExclusionInterval interval = includedIntervals[i];
result.append(LineSegment(interval.x1, interval.x2));
}
}
void Convex::FacetToSegmentsGorizon(FacetList *FL, SegmentList *SL)
{
Facet *pF;
Segment S;
SegmentList SN;
if ( FL->GetFirst(&pF) )
{
// з кожної грані створюємо три ребра
do {
S.Init(pF->A, pF->B);
SN.Add(S);
S.Init(pF->A, pF->C);
SN.Add(S);
S.Init(pF->C, pF->B);
SN.Add(S);
} while (FL->GetNext(&pF));
// В список ребер горизонту включаємо лише зовнішні ребра видимої області
while(!SN.IsEmpty())
{
SN.Remove(&S);
if (SN.FindAndRemoveAll(S)==0)
{
SL->Add(S);
#ifdef CONVEX_DEBUG
printf( "Add to horizon : ");
S.PrintPoints();
#endif
};
};
};
}
bool SegmentInformation::getPlaybackTimeDurationBySegmentNumber(uint64_t number,
mtime_t *time, mtime_t *duration) const
{
SegmentList *segList;
MediaSegmentTemplate *mediaTemplate;
if( (mediaTemplate = inheritSegmentTemplate()) )
{
const Timescale timescale = mediaTemplate->inheritTimescale();
stime_t stime, sduration;
if(mediaTemplate->segmentTimeline.Get())
{
mediaTemplate->segmentTimeline.Get()->
getScaledPlaybackTimeDurationBySegmentNumber(number, &stime, &sduration);
}
else
{
stime = number * mediaTemplate->duration.Get();
sduration = mediaTemplate->duration.Get();
}
*time = timescale.ToTime(stime);
*duration = timescale.ToTime(sduration);
return true;
}
else if ( (segList = inheritSegmentList()) )
{
return segList->getPlaybackTimeDurationBySegmentNumber(number, time, duration);
}
else
{
const Timescale timescale = inheritTimescale();
const ISegment *segment = getSegment(SegmentInfoType::INFOTYPE_MEDIA, number);
if( segment )
{
*time = timescale.ToTime(segment->startTime.Get());
*duration = timescale.ToTime(segment->duration.Get());
return true;
}
}
return false;
}
void BoxShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const FloatRoundedRect& marginBounds = shapeMarginBounds();
if (marginBounds.isEmpty() || !lineOverlapsShapeMarginBounds(logicalTop, logicalHeight))
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
const FloatRect& rect = marginBounds.rect();
if (!marginBounds.isRounded()) {
result.append(LineSegment(rect.x(), rect.maxX()));
return;
}
float topCornerMaxY = std::max<float>(marginBounds.topLeftCorner().maxY(), marginBounds.topRightCorner().maxY());
float bottomCornerMinY = std::min<float>(marginBounds.bottomLeftCorner().y(), marginBounds.bottomRightCorner().y());
if (y1 <= topCornerMaxY && y2 >= bottomCornerMinY) {
result.append(LineSegment(rect.x(), rect.maxX()));
return;
}
float x1 = rect.maxX();
float x2 = rect.x();
float minXIntercept;
float maxXIntercept;
if (marginBounds.xInterceptsAtY(y1, minXIntercept, maxXIntercept)) {
x1 = std::min<float>(x1, minXIntercept);
x2 = std::max<float>(x2, maxXIntercept);
}
if (marginBounds.xInterceptsAtY(y2, minXIntercept, maxXIntercept)) {
x1 = std::min<float>(x1, minXIntercept);
x2 = std::max<float>(x2, maxXIntercept);
}
ASSERT(x2 >= x1);
result.append(LineSegment(x1, x2));
}
