void RPolylineEntity::setShape(const RPolyline& l) {
data.setVertices(l.getVertices());
data.setBulges(l.getBulges());
data.setClosed(l.isClosed());
data.setStartWidths(l.getStartWidths());
data.setEndWidths(l.getEndWidths());
}
RPolyline RPasteOperation::getBoundary(double unitFactor) {
RBox box = sourceDocument.getBoundingBox();
RPolyline polyline = box.getPolyline2d();
polyline.scale(scale * unitFactor);
polyline.rotate(rotation);
polyline.move(offset);
return polyline;
}
bool RPolyline::simplify(double angleTolerance) {
bool ret = false;
RPolyline newPolyline;
//ret.appendVertex(getStartPoint());
RS::EntityType type = RS::EntityUnknown;
double angle = RMAXDOUBLE;
//double radius = 0;
//RVector center;
//RVector vertex;
for (int i=0; i<countSegments(); i++) {
QSharedPointer<RShape> seg = getSegmentAt(i);
QSharedPointer<RLine> line = seg.dynamicCast<RLine>();
if (!line.isNull()) {
double angleDiff = qAbs(RMath::getAngleDifference180(line->getAngle(), angle));
// qDebug() << "angle diff: " << angleDiff;
// qDebug() << "tol: " << angleTolerance;
if (type==RS::EntityLine && angleDiff<angleTolerance) {
//vertex = line->getEndPoint();
ret = true;
}
else {
//qDebug() << "start: " << line->getStartPoint();
newPolyline.appendVertex(line->getStartPoint());
angle = line->getAngle();
type = RS::EntityLine;
}
}
QSharedPointer<RArc> arc = seg.dynamicCast<RArc>();
if (!arc.isNull()) {
// TODO
newPolyline.appendVertex(arc->getStartPoint(), arc->getBulge());
}
}
if (isClosed()) {
newPolyline.setClosed(true);
}
else {
newPolyline.appendVertex(getEndPoint());
}
// qDebug() << "old polyline: " << *this;
// qDebug() << "new polyline: " << newPolyline;
//*this = newPolyline;
//clear();
vertices = newPolyline.vertices;
bulges = newPolyline.bulges;
closed = newPolyline.closed;
return ret;
}
/**
* Exports an ellipse with the current attributes.
* \todo switch from line based interpolation to arcs.
*/
void RExporter::exportEllipse(const REllipse& ellipse, double offset) {
if (ellipse.getMajorRadius()<RS::PointTolerance ||
ellipse.getMinorRadius()<RS::PointTolerance) {
return;
}
RPolyline polyline;
RVector cp = ellipse.getCenter();
double radius1 = ellipse.getMajorRadius();
double radius2 = ellipse.getMinorRadius();
double angle = ellipse.getAngle();
double a1 = ellipse.getStartParam();
double a2 = ellipse.getEndParam();
bool reversed = ellipse.isReversed();
double aStep; // Angle Step (rad)
double a; // Current Angle (rad)
aStep=0.05;
RVector vp;
RVector vc(cp.x, cp.y);
vp.set(cp.x+cos(a1)*radius1,
cp.y+sin(a1)*radius2);
vp.rotate(angle, vc);
polyline.appendVertex(vp);
if (!reversed) {
// Arc Counterclockwise:
if (a1>a2-RS::AngleTolerance) {
a2+=2*M_PI;
}
for(a=a1+aStep; a<=a2; a+=aStep) {
vp.set(cp.x+cos(a)*radius1,
cp.y+sin(a)*radius2);
vp.rotate(angle, vc);
polyline.appendVertex(vp);
}
} else {
// Arc Clockwise:
if (a1<a2+RS::AngleTolerance) {
a2-=2*M_PI;
}
for(a=a1-aStep; a>=a2; a-=aStep) {
vp.set(cp.x+cos(a)*radius1,
cp.y+sin(a)*radius2);
vp.rotate(angle, vc);
polyline.appendVertex(vp);
}
}
vp.set(cp.x+cos(a2)*radius1,
cp.y+sin(a2)*radius2);
vp.rotate(angle, vc);
polyline.appendVertex(vp);
exportPolyline(polyline, offset);
}
bool RPolyline::reverse() {
RPolyline nPolyline;
QList<QSharedPointer<RShape> > segments = getExploded();
for (int i=segments.count()-1; i>=0; i--) {
QSharedPointer<RShape> seg = segments.at(i);
QSharedPointer<RDirected> directed = seg.dynamicCast<RDirected>();
directed->reverse();
nPolyline.appendShape(*seg);
}
nPolyline.setClosed(closed);
*this = nPolyline;
return true;
}
void RSolidEntity::exportEntity(RExporter& e, bool preview, bool forceSelected) const {
Q_UNUSED(preview);
Q_UNUSED(forceSelected);
// note that order of fourth and third vertex is swapped:
RPolyline pl;
pl.appendVertex(data.getVertexAt(0));
pl.appendVertex(data.getVertexAt(1));
if (data.countVertices()>3) {
pl.appendVertex(data.getVertexAt(3));
}
pl.appendVertex(data.getVertexAt(2));
pl.setClosed(true);
e.exportPolyline(pl);
}
RPolyline RSpline::toPolyline(int segments) const {
RPolyline ret;
QList<QSharedPointer<RShape> > lineSegments = getExploded(segments);
for (int k=0; k<lineSegments.size(); k++) {
QSharedPointer<RDirected> dir = lineSegments[k].dynamicCast<RDirected>();
if (dir.isNull()) {
continue;
}
if (k==0) {
ret.appendVertex(dir->getStartPoint());
}
ret.appendVertex(dir->getEndPoint());
}
return ret;
}
bool RArc::stretch(const RPolyline& area, const RVector& offset) {
bool ret = false;
if (area.contains(getStartPoint()) && area.contains(getEndPoint())) {
return move(offset);
}
if (area.contains(getStartPoint())) {
moveStartPoint(getStartPoint() + offset);
ret = true;
}
else if (area.contains(getEndPoint())) {
moveEndPoint(getEndPoint() + offset);
ret = true;
}
return ret;
}
bool RRay::stretch(const RPolyline& area, const RVector& offset) {
bool ret = false;
if (area.contains(basePoint)) {
basePoint += offset;
ret = true;
}
return ret;
}
bool RPolyline::reverse() {
RPolyline nPolyline;
QList<QSharedPointer<RShape> > segments = getExploded();
// skip last segment if polyline is closed and add flag instead:
int iLast = segments.count()-1;
if (isClosed()) {
iLast--;
}
for (int i=iLast; i>=0; i--) {
QSharedPointer<RShape> seg = segments.at(i);
QSharedPointer<RDirected> directed = seg.dynamicCast<RDirected>();
directed->reverse();
nPolyline.appendShape(*seg);
}
nPolyline.setClosed(closed);
*this = nPolyline;
return true;
}
RPolyline RSpline::toPolyline(int segments) const {
RPolyline ret;
QList<QSharedPointer<RShape> > lineSegments = getExplodedBezier(segments);
for (int k=0; k<lineSegments.size(); k++) {
QSharedPointer<RShape> shape = lineSegments[k];
if (shape.isNull() || !shape->isDirected()) {
continue;
}
if (k==0) {
ret.appendVertex(shape->getStartPoint());
}
ret.appendVertex(shape->getEndPoint());
}
if (isClosed()) {
ret.setClosed(true);
}
return ret;
}
RPolyline RArc::approximateWithLines(double segmentLength) {
RPolyline polyline;
// avoid a segment length of 0:
if (segmentLength<1.0e-6) {
segmentLength = 1.0e-6;
}
double a1 = getStartAngle();
double a2 = getEndAngle();
double aStep = segmentLength / radius;
double a, cix, ciy;
polyline.appendVertex(getStartPoint());
if (!reversed) {
// Arc Counterclockwise:
if (a1>a2-1.0e-10) {
a2+=2*M_PI;
}
for (a=a1+aStep; a<=a2; a+=aStep) {
cix = center.x + cos(a) * radius;
ciy = center.y + sin(a) * radius;
polyline.appendVertex(RVector(cix, ciy));
}
} else {
// Arc Clockwise:
if (a1<a2+1.0e-10) {
a2-=2*M_PI;
}
for (a=a1-aStep; a>=a2; a-=aStep) {
cix = center.x + cos(a) * radius;
ciy = center.y + sin(a) * radius;
polyline.appendVertex(RVector(cix, ciy));
}
}
polyline.appendVertex(getEndPoint());
return polyline;
}
/**
* \param polylineGen True: use pattern along whole polyline, False: pattern per segment.
*/
void RExporter::exportPolyline(const RPolyline& polyline, bool polylineGen, double offset) {
RLinetypePattern p = getLinetypePattern();
bool continuous = false;
if (getEntity() == NULL || !p.isValid() || p.getNumDashes() <= 1 || draftMode || screenBasedLinetypes || twoColorSelectedMode) {
continuous = true;
}
if (!continuous) {
p.scale(getLineTypePatternScale(p));
if (RMath::isNaN(offset)) {
double length = polyline.getLength();
offset = p.getPatternOffset(length);
}
}
if (polylineGen) {
// pattern along whole polyline:
exportExplodable(polyline, offset);
}
else {
// pattern for each individual segment:
for (int i=0; i<polyline.countSegments(); i++) {
QSharedPointer<RShape> shape = polyline.getSegmentAt(i);
QSharedPointer<RLine> line = shape.dynamicCast<RLine>();
if (!line.isNull()) {
RExporter::exportLine(*line);
}
QSharedPointer<RArc> arc = shape.dynamicCast<RArc>();
if (!arc.isNull()) {
RExporter::exportArc(*arc);
}
}
}
}
void RGraphicsSceneQt::exportPolylineFill(const RPolyline& polyline) {
if (currentBrush!=Qt::NoBrush) {
bool created = beginPath();
// TODO: support arc segments for filling:
QPolygonF qpolygon;
QList<RVector> points = polyline.getVertices();
for (int i = 0; i < points.size(); ++i) {
RVector v = points.at(i);
qpolygon << QPointF(v.x, v.y);
}
currentPainterPath.setBrush(currentBrush);
currentPainterPath.addPolygon(qpolygon);
if (created) {
endPath();
}
}
}
void RExporter::exportPolyline(const RPolyline& polyline, double offset) {
RLinetypePattern p = getLinetypePattern();
bool continuous = false;
if (getEntity() == NULL || !p.isValid() || p.getNumDashes() == 1 || draftMode || screenBasedLinetypes) {
continuous = true;
}
if (!continuous) {
p.scale(getPatternFactor());
if (RMath::isNaN(offset)) {
double length = polyline.getLength();
offset = getPatternOffset(length, p);
}
}
exportExplodable(polyline, offset);
}
RPolyline RPasteOperation::getBoundary(double unitFactor) {
RBox box = sourceDocument.getBoundingBox();
RPolyline polyline = box.getPolyline2d();
if (flipHorizontal) {
polyline.flipHorizontal();
}
if (flipVertical) {
polyline.flipVertical();
}
polyline.scale(scale * unitFactor);
polyline.rotate(getRotation());
polyline.move(getOffset());
return polyline;
}
void REcmaHelper::fromScriptValue(QScriptEngine* engine, QScriptValue scriptValue, QList<QSharedPointer<RShape> >& cppValue) {
QVariantList variantList = engine->fromScriptValue<QVariantList>(scriptValue);
for (int i = 0; i < variantList.size(); ++i) {
QVariant v = variantList.at(i);
QSharedPointer<RShape> pShape = v.value<QSharedPointer<RShape> >();
if (!pShape.isNull()) {
cppValue.append(pShape);
}
else {
RShape* shape = v.value<RShape*>();
if (shape!=NULL) {
QSharedPointer<RShape> pShape(shape->clone());
cppValue.append(pShape);
}
else if (v.canConvert<RArc>()) {
RArc obj = v.value<RArc>();
QSharedPointer<RArc> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RCircle>()) {
RCircle obj = v.value<RCircle>();
QSharedPointer<RCircle> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RLine>()) {
RLine obj = v.value<RLine>();
QSharedPointer<RLine> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RPoint>()) {
RPoint obj = v.value<RPoint>();
QSharedPointer<RPoint> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RPolyline>()) {
RPolyline obj = v.value<RPolyline>();
QSharedPointer<RPolyline> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RSpline>()) {
RSpline obj = v.value<RSpline>();
QSharedPointer<RSpline> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RTextLabel>()) {
RTextLabel obj = v.value<RTextLabel>();
QSharedPointer<RTextLabel> p(obj.clone());
cppValue.append(p);
}
else if (v.canConvert<RTriangle>()) {
RTriangle obj = v.value<RTriangle>();
QSharedPointer<RTriangle> p(obj.clone());
cppValue.append(p);
}
}
}
}
/**
* Moves this vector by offset if it is inside the given area.
*/
RVector RVector::stretch(const RPolyline& area, const RVector& offset) {
if (area.contains(*this)) {
return move(offset);
}
return *this;
}
RS::Side RSpline::getSideOfPoint(const RVector& point) const {
RPolyline pl = toPolyline(16);
return pl.getSideOfPoint(point);
}
