void CurvedHistogram::processInteraction( ::scene2D::data::Event::sptr _event)
{
SLM_TRACE_FUNC();
bool updatePointedPos = false;
// Vertical scaling
if( _event->getType() == ::scene2D::data::Event::MouseWheelUp )
{
m_scale *= SCALE;
m_layer->setTransform(QTransform::fromScale(1, SCALE), true);
updatePointedPos = true;
}
else if( _event->getType() == ::scene2D::data::Event::MouseWheelDown )
{
m_scale /= SCALE;
m_layer->setTransform(QTransform::fromScale(1, 1 / SCALE), true);
updatePointedPos = true;
}
else if( _event->getType() == ::scene2D::data::Event::MouseMove )
{
updatePointedPos = true;
}
if( !m_histogramPointUID.empty() )
{
updateCurrentPoint( _event );
}
}
bool QgsAdvancedDigitizingDockWidget::applyConstraints( QgsMapMouseEvent *e )
{
QgsCadUtils::AlignMapPointContext context;
context.snappingUtils = mMapCanvas->snappingUtils();
context.mapUnitsPerPixel = mMapCanvas->mapUnitsPerPixel();
context.xConstraint = _constraint( mXConstraint.get() );
context.yConstraint = _constraint( mYConstraint.get() );
context.distanceConstraint = _constraint( mDistanceConstraint.get() );
context.angleConstraint = _constraint( mAngleConstraint.get() );
context.cadPointList = mCadPointList;
context.commonAngleConstraint.locked = true;
context.commonAngleConstraint.relative = context.angleConstraint.relative;
context.commonAngleConstraint.value = mCommonAngleConstraint;
QgsCadUtils::AlignMapPointOutput output = QgsCadUtils::alignMapPoint( e->originalMapPoint(), context );
bool res = output.valid;
QgsPointXY point = output.finalMapPoint;
mSnappedSegment.clear();
if ( output.edgeMatch.hasEdge() )
{
QgsPointXY edgePt0, edgePt1;
output.edgeMatch.edgePoints( edgePt0, edgePt1 );
mSnappedSegment << edgePt0 << edgePt1;
}
if ( mAngleConstraint->lockMode() != CadConstraint::HardLock )
{
if ( output.softLockCommonAngle != -1 )
{
mAngleConstraint->setLockMode( CadConstraint::SoftLock );
mAngleConstraint->setValue( output.softLockCommonAngle );
}
else
{
mAngleConstraint->setLockMode( CadConstraint::NoLock );
}
}
// set the point coordinates in the map event
e->setMapPoint( point );
// update the point list
updateCurrentPoint( point );
updateUnlockedConstraintValues( point );
if ( res )
{
emit popWarning();
}
else
{
emit pushWarning( tr( "Some constraints are incompatible. Resulting point might be incorrect." ) );
}
return res;
}
void Stroker::handleLineSegment(Segment* segment)
{
const Path::Segment* pathSegment = segment->getSegment();
// Where are we going to?
updateCurrentPoint(pathSegment);
// Calculate stroke normal
calculateStrokeNormal(prevPoint_,currentPoint_,normal_);
Vector outer;
Vector inner;
// Join segments or begin the first segment
if(numSegments_ == 0)
{
firstPoint_ = prevPoint_;
firstNormal_ = normal_;
outer = firstPoint_ + firstNormal_;
inner = firstPoint_ - firstNormal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
}
else
joiner_(this,prevPoint_,prevNormal_,normal_);
outer = currentPoint_ + normal_;
inner = currentPoint_ - normal_;
// Add point
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
// Update state
prevPoint_ = currentPoint_;
prevNormal_ = normal_;
}
void Histogram::processInteraction( ::scene2D::data::Event::sptr _event)
{
SLM_TRACE_FUNC();
bool updatePointedPos = false;
// Vertical scaling
if( _event->getType() == ::scene2D::data::Event::MouseWheelUp )
{
m_scale *= SCALE;
m_layer->scale(1, SCALE);
//_event->setAccepted( true );
m_yAxis->setScale( m_scale );
updatePointedPos = true;
}
else if( _event->getType() == ::scene2D::data::Event::MouseWheelDown )
{
m_scale /= SCALE;
m_layer->scale(1, 1 / SCALE);
//_event->setAccepted( true );
m_yAxis->setScale( m_scale );
updatePointedPos = true;
}
else if( _event->getType() == ::scene2D::data::Event::MouseMove )
{
updatePointedPos = true;
}
if( !m_histogramPointUID.empty() && updatePointedPos )
{
updateCurrentPoint( _event );
}
}
bool SVGPathBlender::BlendState::blendSegments(
const PathSegmentData& fromSeg,
const PathSegmentData& toSeg,
PathSegmentData& blendedSegment) {
if (!canBlend(fromSeg, toSeg))
return false;
blendedSegment.command =
m_isInFirstHalfOfAnimation ? fromSeg.command : toSeg.command;
switch (toSeg.command) {
case PathSegCurveToCubicRel:
case PathSegCurveToCubicAbs:
blendedSegment.point1 =
blendAnimatedFloatPoint(fromSeg.point1, toSeg.point1);
/* fall through */
case PathSegCurveToCubicSmoothRel:
case PathSegCurveToCubicSmoothAbs:
blendedSegment.point2 =
blendAnimatedFloatPoint(fromSeg.point2, toSeg.point2);
/* fall through */
case PathSegMoveToRel:
case PathSegMoveToAbs:
case PathSegLineToRel:
case PathSegLineToAbs:
case PathSegCurveToQuadraticSmoothRel:
case PathSegCurveToQuadraticSmoothAbs:
blendedSegment.targetPoint =
blendAnimatedFloatPoint(fromSeg.targetPoint, toSeg.targetPoint);
break;
case PathSegLineToHorizontalRel:
case PathSegLineToHorizontalAbs:
blendedSegment.targetPoint.setX(blendAnimatedDimensonalFloat(
fromSeg.targetPoint.x(), toSeg.targetPoint.x(), BlendHorizontal));
break;
case PathSegLineToVerticalRel:
case PathSegLineToVerticalAbs:
blendedSegment.targetPoint.setY(blendAnimatedDimensonalFloat(
fromSeg.targetPoint.y(), toSeg.targetPoint.y(), BlendVertical));
break;
case PathSegClosePath:
break;
case PathSegCurveToQuadraticRel:
case PathSegCurveToQuadraticAbs:
blendedSegment.targetPoint =
blendAnimatedFloatPoint(fromSeg.targetPoint, toSeg.targetPoint);
blendedSegment.point1 =
blendAnimatedFloatPoint(fromSeg.point1, toSeg.point1);
break;
case PathSegArcRel:
case PathSegArcAbs:
blendedSegment.targetPoint =
blendAnimatedFloatPoint(fromSeg.targetPoint, toSeg.targetPoint);
blendedSegment.point1 = blendAnimatedFloatPointSameCoordinates(
fromSeg.arcRadii(), toSeg.arcRadii());
blendedSegment.point2 =
blendAnimatedFloatPointSameCoordinates(fromSeg.point2, toSeg.point2);
if (m_addTypesCount) {
blendedSegment.arcLarge = fromSeg.arcLarge || toSeg.arcLarge;
blendedSegment.arcSweep = fromSeg.arcSweep || toSeg.arcSweep;
} else {
blendedSegment.arcLarge =
m_isInFirstHalfOfAnimation ? fromSeg.arcLarge : toSeg.arcLarge;
blendedSegment.arcSweep =
m_isInFirstHalfOfAnimation ? fromSeg.arcSweep : toSeg.arcSweep;
}
break;
default:
ASSERT_NOT_REACHED();
}
updateCurrentPoint(m_fromSubPathPoint, m_fromCurrentPoint, fromSeg);
updateCurrentPoint(m_toSubPathPoint, m_toCurrentPoint, toSeg);
return true;
}
void Stroker::generateStrokeOutlines(SubPath* subPath,
const AffineMatrix& transform)
{
if(subPath->getNumberOfPoints() == 0)
return;
// Iterate over all segments in subpath
Segment* segment = subPath->beginSegmentIteration();
const Path::Segment* pathSegment = segment->getSegment();
// Clear state varibles and helper paths for this subpath
numSegments_ = 0;
innerPoints_.clear();
outerPoints_.clear();
// Store transform
pathTransform_ = transform;
inversePathTransform_ = transform;
inversePathTransform_.invert();
float xScale;
float yScale;
pathTransform_.getScale(xScale,yScale);
scale_.makeIdentity();
scale_.scale(xScale,yScale);
inverseScale_ = scale_;
inverseScale_.invert();
// Handle the case where we start with
// a move to separetely for now
if(pathSegment->command_ == Path::cMoveToAbs ||
pathSegment->command_ == Path::cMoveToRel)
{
updateCurrentPoint(pathSegment);
firstPoint_ = prevPoint_ = currentPoint_;
segment = subPath->getNextSegment();
pathSegment = segment->getSegment();
}
// Iterate over sub path and handle all segments
const Path::Segment* lastSegment = pathSegment;
while(subPath->hasMoreSegments())
{
if(pathSegment->command_ < Path::cQuadBezierToAbs)
handleLineSegment(segment);
else if(pathSegment->command_ > Path::cSmoothCubicBezierToRel)
handleArcSegment(segment);
else
handleBezierSegment(segment);
++numSegments_;
segment = subPath->getNextSegment();
lastSegment = pathSegment;
pathSegment = segment->getSegment();
}
// Join or add ends
if(lastSegment->command_ == Path::cClosePath)
joiner_(this,firstPoint_,prevNormal_,firstNormal_);
else
endStroke();
}
void Stroker::handleBezierSegment(Segment* segment)
{
// Where are we going to?
updateCurrentPoint(segment->getSegment());
// Calculate first normal
float* points = segment->beginPointIteration();
calculateStrokeNormal(points,normal_);
// Join segments or begin the first segment
Vector outer;
Vector inner;
if(numSegments_ == 0)
{
firstPoint_ = prevPoint_;
firstNormal_ = normal_;
outer = firstPoint_ + firstNormal_;
inner = firstPoint_ - firstNormal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
}
else
joiner_(this,prevPoint_,prevNormal_,normal_);
// Add points,ignoring the first
// since it is already added
points = segment->getNextPoint();
Vector point;
if(segment->getNumberOfPoints() > 2)
{
while(!segment->atSecondToLastPoint())
{
point.x_ = *points;
point.y_ = *(points + 1);
calculateStrokeNormal(points,normal_);
outer = point + normal_;
inner = point - normal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
points = segment->getNextPoint();
}
}
// Calculate last normal
calculateStrokeNormal(point,currentPoint_,normal_);
// Add last point
outer = currentPoint_ + normal_;
inner = currentPoint_ - normal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
prevPoint_ = currentPoint_;
prevNormal_ = normal_;
}
void Stroker::handleArcSegment(Segment* segment)
{
// Where are we going to?
updateCurrentPoint(segment->getSegment());
// First point is already added
float* points = segment->beginPointIteration();
points = segment->getNextPoint();
// First normal using segment end points
Vector firstNormal = prevPoint_ - currentPoint_;
firstNormal.normalize();
firstNormal *= size_ /2;
scale_.transform(firstNormal);
// Calculate first and second normal from points
Vector secondNormal;
calculateStrokeNormal(points,normal_);
calculateStrokeNormal(points + 2,secondNormal);
// Adjust first normal so it points
// in the same direction as the second normal
Winding firstWinding = determineWinding(firstNormal,normal_);
Winding secondWinding = determineWinding(normal_,secondNormal);
if(firstWinding != secondWinding)
firstNormal.invert();
// Join segments or begin the first segment
Vector outer;
Vector inner;
if(numSegments_ == 0)
{
firstPoint_ = prevPoint_;
firstNormal_ = firstNormal;
outer = firstPoint_ + firstNormal_;
inner = firstPoint_ - firstNormal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
}
else
joiner_(this,prevPoint_,prevNormal_,firstNormal);
// Add points
while(segment->hasMorePoints())
{
Vector point(*points,*(points + 1));
calculateStrokeNormal(points,normal_);
outer = point + normal_;
inner = point - normal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
points = segment->getNextPoint();
}
// Add last
normal_ = invert(firstNormal);
outer = currentPoint_ + normal_;
inner = currentPoint_ - normal_;
addPoint(&outerPoints_,outer);
addPoint(&innerPoints_,inner);
prevPoint_ = currentPoint_;
prevNormal_ = normal_;
}
