diff options
Diffstat (limited to 'tikzit/src/data/edge.cpp')
| -rw-r--r-- | tikzit/src/data/edge.cpp | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/tikzit/src/data/edge.cpp b/tikzit/src/data/edge.cpp deleted file mode 100644 index 6802b2d..0000000 --- a/tikzit/src/data/edge.cpp +++ /dev/null @@ -1,306 +0,0 @@ -#include "edge.h" -#include "tikzit.h" -#include "util.h" - -#include <QDebug> -#include <QPointF> - -Edge::Edge(Node *s, Node *t, QObject *parent) : - QObject(parent), _source(s), _target(t) -{ - _data = new GraphElementData(); - _edgeNode = 0; - _dirty = true; - _basicBendMode = true; - _bend = 0; - _inAngle = 0; - _outAngle = 0; - _weight = 0.4f; - updateControls(); -} - -Edge::~Edge() -{ - delete _data; - delete _edgeNode; -} - -Node *Edge::source() const -{ - return _source; -} - -Node *Edge::target() const -{ - return _target; -} - -bool Edge::isSelfLoop() -{ - return (_source == _target); -} - -bool Edge::isStraight() -{ - return (_basicBendMode && _bend == 0); -} - -GraphElementData *Edge::data() const -{ - return _data; -} - -void Edge::setData(GraphElementData *data) -{ - delete _data; - _data = data; - setAttributesFromData(); -} - -QString Edge::sourceAnchor() const -{ - return _sourceAnchor; -} - -void Edge::setSourceAnchor(const QString &sourceAnchor) -{ - _sourceAnchor = sourceAnchor; -} - -QString Edge::targetAnchor() const -{ - return _targetAnchor; -} - -void Edge::setTargetAnchor(const QString &targetAnchor) -{ - _targetAnchor = targetAnchor; -} - -Node *Edge::edgeNode() const -{ - return _edgeNode; -} - -void Edge::setEdgeNode(Node *edgeNode) -{ - if (_edgeNode != 0) delete _edgeNode; - _edgeNode = edgeNode; -} - -bool Edge::hasEdgeNode() -{ - return _edgeNode != 0; -} - -void Edge::updateControls() { - //if (_dirty) { - QPointF src = _source->point(); - QPointF targ = _target->point(); - - float dx = (targ.x() - src.x()); - float dy = (targ.y() - src.y()); - - float outAngleR = 0.0f; - float inAngleR = 0.0f; - - if (_basicBendMode) { - float angle = std::atan2(dy, dx); - float bnd = (float)_bend * (M_PI / 180.0f); - outAngleR = angle - bnd; - inAngleR = M_PI + angle + bnd; - _outAngle = outAngleR * (180.f / M_PI); - _inAngle = inAngleR * (180.f / M_PI); - } else { - outAngleR = (float)_outAngle * (M_PI / 180.0f); - inAngleR = (float)_inAngle * (M_PI / 180.0f); - } - - // TODO: calculate head and tail properly, not just for circles - if (_source->style()->isNone()) { - _tail = src; - } else { - _tail = QPointF(src.x() + std::cos(outAngleR) * 0.1, - src.y() + std::sin(outAngleR) * 0.1); - } - - if (_target->style()->isNone()) { - _head = targ; - } else { - _head = QPointF(targ.x() + std::cos(inAngleR) * 0.1, - targ.y() + std::sin(inAngleR) * 0.1); - } - - // give a default distance for self-loops - _cpDist = (dx==0.0f && dy==0.0f) ? _weight : std::sqrt(dx*dx + dy*dy) * _weight; - - _cp1 = QPointF(src.x() + (_cpDist * std::cos(outAngleR)), - src.y() + (_cpDist * std::sin(outAngleR))); - - _cp2 = QPointF(targ.x() + (_cpDist * std::cos(inAngleR)), - targ.y() + (_cpDist * std::sin(inAngleR))); - - _mid = bezierInterpolateFull (0.5f, _tail, _cp1, _cp2, _head); -// midTan = [self _findTanFor:mid usingSpanFrom:0.4f to:0.6f]; - -// tailTan = [self _findTanFor:tail usingSpanFrom:0.0f to:0.1f]; -// headTan = [self _findTanFor:head usingSpanFrom:1.0f to:0.9f]; - //_dirty = false; - //} -} - -void Edge::setAttributesFromData() -{ - _basicBendMode = true; - bool ok = true; - - if (_data->atom("bend left")) { - _bend = -30; - } else if (_data->atom("bend right")) { - _bend = 30; - } else if (_data->property("bend left") != 0) { - _bend = -_data->property("bend left").toInt(&ok); - if (!ok) _bend = -30; - } else if (_data->property("bend right") != 0) { - _bend = _data->property("bend right").toInt(&ok); - if (!ok) _bend = 30; - } else { - _bend = 0; - - if (_data->property("in") != 0 && _data->property("out") != 0) { - _basicBendMode = false; - _inAngle = _data->property("in").toInt(&ok); - if (!ok) _inAngle = 0; - _outAngle = _data->property("out").toInt(&ok); - if (!ok) _outAngle = 180; - } - } - - if (_data->property("looseness") != 0) { - _weight = _data->property("looseness").toFloat(&ok) / 2.5f; - if (!ok) _weight = 0.4f; - } else { - _weight = (isSelfLoop()) ? 1.0f : 0.4f; - } - - //qDebug() << "bend: " << _bend << " in: " << _inAngle << " out: " << _outAngle; - _dirty = true; -} - -void Edge::updateData() -{ - _data->unsetAtom("loop"); - _data->unsetProperty("in"); - _data->unsetProperty("out"); - _data->unsetAtom("bend left"); - _data->unsetAtom("bend right"); - _data->unsetProperty("bend left"); - _data->unsetProperty("bend right"); - _data->unsetProperty("looseness"); - - // TODO: style handling? - - if (_basicBendMode && _bend != 0) { - QString bendKey; - int b; - if (_bend < 0) { - bendKey = "bend left"; - b = -_bend; - } else { - bendKey = "bend right"; - b = _bend; - } - - if (b == 30) { - _data->setAtom(bendKey); - } else { - _data->setProperty(bendKey, QString::number(b)); - } - } else { - _data->setProperty("in", QString::number(_inAngle)); - _data->setProperty("out", QString::number(_outAngle)); - } - - if (_source == _target) _data->setAtom("loop"); - if (!isSelfLoop() && !isStraight() && _weight != 0.4f) - _data->setProperty("looseness", QString::number(_weight*2.5f, 'f', 2)); - -} - - -QPointF Edge::head() const -{ - return _head; -} - -QPointF Edge::tail() const -{ - return _tail; -} - -QPointF Edge::cp1() const -{ - return _cp1; -} - -QPointF Edge::cp2() const -{ - return _cp2; -} - -int Edge::bend() const -{ - return _bend; -} - -int Edge::inAngle() const -{ - return _inAngle; -} - -int Edge::outAngle() const -{ - return _outAngle; -} - -float Edge::weight() const -{ - return _weight; -} - -bool Edge::basicBendMode() const -{ - return _basicBendMode; -} - -float Edge::cpDist() const -{ - return _cpDist; -} - -void Edge::setBend(int bend) -{ - _bend = bend; -} - -void Edge::setInAngle(int inAngle) -{ - _inAngle = inAngle; -} - -void Edge::setOutAngle(int outAngle) -{ - _outAngle = outAngle; -} - -void Edge::setWeight(float weight) -{ - _weight = weight; -} - -QPointF Edge::mid() const -{ - return _mid; -} - - |