Added EC_CONVERGING for zone areas modification.
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@ -26,8 +26,7 @@
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#include "edit_points.h"
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#include <gal/graphics_abstraction_layer.h>
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#include <class_drawsegment.h>
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#include <geometry/seg.h>
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bool EDIT_POINT::WithinPoint( const VECTOR2I& aPoint, unsigned int aSize ) const
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{
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@ -205,3 +204,89 @@ void EC_CIRCLE::Apply()
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m_constrained.SetPosition( m_center.GetPosition() + newLine );
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}
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EC_CONVERGING::EC_CONVERGING( EDIT_LINE& aLine, EDIT_POINTS& aPoints ) :
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EDIT_CONSTRAINT<EDIT_POINT>( aLine.GetEnd() ),
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/*m_end( aLine.GetEnd() ), m_origin( aLine.GetOrigin() ),*/ m_line( aLine ),
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m_editPoints( aPoints )
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{
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// Dragged segment endings
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EDIT_POINT& origin = aLine.GetOrigin();
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EDIT_POINT& end = aLine.GetEnd();
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// Add constraint to the line origin, so it moves only along it current line
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EDIT_POINT& prevOrigin = *aPoints.Previous( origin );
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EDIT_POINT& nextEnd = *aPoints.Next( end );
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// Constraints for segments adjacent to the dragged one
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m_originSideConstraint = new EC_LINE( origin, prevOrigin );
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m_endSideConstraint = new EC_LINE( end, nextEnd );
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// Compute dragged segment slope
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VECTOR2D delta = m_line.GetPosition() - end.GetPosition();
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m_coefA = delta.y / delta.x;
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}
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EC_CONVERGING::~EC_CONVERGING()
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{
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delete m_originSideConstraint;
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delete m_endSideConstraint;
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}
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void EC_CONVERGING::Apply()
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{
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EDIT_POINT& origin = m_line.GetOrigin();
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EDIT_POINT& end = m_line.GetEnd();
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// Do not allow points on the adjacent segments move freely
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m_originSideConstraint->Apply();
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m_endSideConstraint->Apply();
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// Find points that make adjacent segments
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EDIT_POINT& prevOrigin = *m_editPoints.Previous( origin ); // point previous to origin
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EDIT_POINT& nextEnd = *m_editPoints.Next( end ); // point next to end
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// Two segments adjacent to the dragged segment
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SEG originSide( origin.GetPosition(), prevOrigin.GetPosition() );
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SEG endSide( end.GetPosition(), nextEnd.GetPosition() );
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VECTOR2I draggedCenter; // center point of the dragged segment
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// Check if adjacent segments intersect (did we dragged the line to the point that it may
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// create a selfintersecting polygon?)
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if( OPT_VECTOR2I originEndIntersect = endSide.Intersect( originSide ) )
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draggedCenter = *originEndIntersect;
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else
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draggedCenter = m_line.GetPosition();
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// Line B coefficient (y=Ax+B) for the dragged segment (A coefficient is computed up on the
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// the construction of EC_CONVERGING
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double coefB = draggedCenter.y - m_coefA * draggedCenter.x;
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VECTOR2D draggedEnd = draggedCenter + 10000;
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if( std::isfinite( m_coefA ) )
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{
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if( std::abs( m_coefA ) < 1 )
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draggedEnd.y = m_coefA * draggedEnd.x + coefB;
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else
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draggedEnd.x = ( draggedEnd.y - coefB ) / m_coefA;
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}
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else // vertical line
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{
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draggedEnd.x = draggedCenter.x;
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draggedEnd.y = draggedEnd.x + coefB;
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}
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SEG dragged( draggedCenter, draggedEnd ); // the dragged segment
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// First intersection point (dragged segment against origin side)
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if( OPT_VECTOR2I originIntersect = dragged.IntersectLines( originSide ) )
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origin.SetPosition( *originIntersect );
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// Second intersection point (dragged segment against end side)
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if( OPT_VECTOR2I endIntersect = dragged.IntersectLines( endSide ) )
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end.SetPosition( *endIntersect );
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}
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@ -579,4 +579,29 @@ private:
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const EDIT_POINT& m_end;
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};
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/**
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* Class EC_CONVERGING
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*
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* EDIT_CONSTRAINT for 3 segment: dragged and two adjacent ones, enforcing to keep their slopes
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* and allows only to change ending points. Applied to zones.
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*/
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class EC_CONVERGING : public EDIT_CONSTRAINT<EDIT_POINT>
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{
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public:
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EC_CONVERGING( EDIT_LINE& aLine, EDIT_POINTS& aPoints );
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virtual ~EC_CONVERGING();
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///> @copydoc EDIT_CONSTRAINT::Apply()
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virtual void Apply();
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private:
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EC_LINE* m_originSideConstraint; ///< Constraint for origin side segment
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EC_LINE* m_endSideConstraint; ///< Constraint for end side segment
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EDIT_LINE& m_line; ///< Dragged segment
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EDIT_POINTS& m_editPoints; ///< EDIT_POINT instance storing modified lines
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double m_coefA; ///< Original dragged segment A coefficient (y = Ax + B)
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};
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#endif /* EDIT_POINTS_H_ */
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@ -135,7 +135,7 @@ private:
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POINT_EDITOR::POINT_EDITOR() :
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TOOL_INTERACTIVE( "pcbnew.PointEditor" ), m_selectionTool( NULL ), m_dragPoint( NULL ),
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m_original( VECTOR2I( 0, 0 ) )
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m_original( VECTOR2I( 0, 0 ) ), m_altConstrainer( VECTOR2I( 0, 0 ) )
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{
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}
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@ -143,6 +143,7 @@ POINT_EDITOR::POINT_EDITOR() :
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void POINT_EDITOR::Reset( RESET_REASON aReason )
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{
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m_editPoints.reset();
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m_altConstraint.reset();
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}
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@ -175,8 +176,6 @@ int POINT_EDITOR::OnSelectionChange( TOOL_EVENT& aEvent )
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KIGFX::VIEW* view = getView();
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PCB_EDIT_FRAME* editFrame = getEditFrame<PCB_EDIT_FRAME>();
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EDA_ITEM* item = selection.items.GetPickedItem( 0 );
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EDIT_POINT constrainer( VECTOR2I( 0, 0 ) );
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boost::shared_ptr<EDIT_CONSTRAINT<EDIT_POINT> > degree45Constraint;
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m_editPoints = EDIT_POINTS_FACTORY::Make( item );
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if( !m_editPoints )
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@ -237,24 +236,14 @@ int POINT_EDITOR::OnSelectionChange( TOOL_EVENT& aEvent )
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modified = true;
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}
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if( !!evt->Modifier( MD_CTRL ) != (bool) degree45Constraint ) // 45 degrees mode
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{
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if( !degree45Constraint )
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{
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// Find a proper constraining point for 45 degrees mode
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constrainer = get45DegConstrainer();
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degree45Constraint.reset( new EC_45DEGREE( *m_dragPoint, constrainer ) );
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}
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else
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{
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degree45Constraint.reset();
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}
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}
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bool enableAltConstraint = !!evt->Modifier( MD_CTRL );
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if( enableAltConstraint != (bool) m_altConstraint ) // alternative constraint
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setAltConstraint( enableAltConstraint );
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m_dragPoint->SetPosition( controls->GetCursorPosition() );
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if( degree45Constraint )
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degree45Constraint->Apply();
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if( m_altConstraint )
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m_altConstraint->Apply();
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else
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m_dragPoint->ApplyConstraint();
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@ -271,7 +260,7 @@ int POINT_EDITOR::OnSelectionChange( TOOL_EVENT& aEvent )
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else if( evt->IsMouseUp( BUT_LEFT ) )
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{
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degree45Constraint.reset();
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setAltConstraint( false );
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modified = false;
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}
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@ -540,6 +529,32 @@ void POINT_EDITOR::updatePoints() const
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}
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void POINT_EDITOR::setAltConstraint( bool aEnabled )
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{
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if( aEnabled )
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{
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EDIT_LINE* line = dynamic_cast<EDIT_LINE*>( m_dragPoint );
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if( line )
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{
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if( m_editPoints->GetParent()->Type() == PCB_ZONE_AREA_T )
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{
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m_altConstraint.reset( new EC_CONVERGING( *line, *m_editPoints ) );
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}
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}
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else
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{
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// Find a proper constraining point for 45 degrees mode
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m_altConstrainer = get45DegConstrainer();
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m_altConstraint.reset( new EC_45DEGREE( *m_dragPoint, m_altConstrainer ) );
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}
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}
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else
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{
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m_altConstraint.reset();
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}
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}
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EDIT_POINT POINT_EDITOR::get45DegConstrainer() const
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{
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EDA_ITEM* item = m_editPoints->GetParent();
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@ -68,6 +68,12 @@ private:
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///> Currently available edit points.
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boost::shared_ptr<EDIT_POINTS> m_editPoints;
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// Alternative constraint, enabled while a modifier key is held
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boost::shared_ptr<EDIT_CONSTRAINT<EDIT_POINT> > m_altConstraint;
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// EDIT_POINT for alternative constraint mode
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EDIT_POINT m_altConstrainer;
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///> Updates item's points with edit points.
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void updateItem() const;
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return m_dragPoint == &aPoint;
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}
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///> Sets up an alternative constraint (typically enabled upon a modifier key being pressed).
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void setAltConstraint( bool aEnabled );
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///> Returns a point that should be used as a constrainer for 45 degrees mode.
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EDIT_POINT get45DegConstrainer() const;
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