Magnetism
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dickelbeck
parent
c254c13ed5
commit
79eca85bd5
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@ -221,10 +221,10 @@ BOARD_ITEM* WinEDA_BasePcbFrame::PcbGeneralLocateAndDisplay( int aHotKeyCode )
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/**
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* Function Join
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* finds the point where b0+x*(b1-b0) intersects with a0+y*(a1-a0).
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* If that point would be outside of a0-a1, the respective endpoint is used.
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* finds the point where line segment (b1,b0) intersects with segment (a1,a0).
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* If that point would be outside of (a0,a1), the respective endpoint is used.
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* Join returns the point in "res" and "true" if a suitable point was found,
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* "false" if both lines are parallel.
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* "false" if both lines are parallel or if the length of either segment is zero.
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*/
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static bool Join( wxPoint* res, wxPoint a0, wxPoint a1, wxPoint b0, wxPoint b1 )
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{
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@ -236,8 +236,16 @@ static bool Join( wxPoint* res, wxPoint a0, wxPoint a1, wxPoint b0, wxPoint b1 )
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double denom;
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double t;
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// if either segment is zero length
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if( a1.x==a0.x && a1.y==a0.y )
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return false;
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if( b1.x==b0.x && b1.y==b0.y )
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return false;
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a1 -= a0;
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b1 -= b0;
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b0 -= a0;
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denom = (double) b1.y * a1.x - (double) b1.x * a1.y;
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@ -290,131 +298,177 @@ bool Project( wxPoint* res, wxPoint on_grid, const TRACK* track )
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* "curpos". If yes, then curpos is adjusted appropriately according to that
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* near magnetic item and true is returned.
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* @param curpos The initial position, and what to adjust if a change is needed.
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* @return bool - true if the position was adjusted magnetically, else false.
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*/
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static bool Magnetize( BOARD* m_Pcb, WinEDA_PcbFrame* frame,
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int aCurrentTool, wxSize grid, wxPoint on_grid, wxPoint* curpos )
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{
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D_PAD* pad;
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TRACK* curr = g_CurrentTrackSegment;
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TRACK* via;
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TRACK* track;
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int layer, layer_mask;
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bool doCheckNet = g_MagneticPadOption != capture_always && Drc_On;
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bool doTrack = false;
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bool doPad = false;
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bool amMovingVia = false;
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if( frame->GetCurItem() != curr )
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TRACK* currTrack = g_CurrentTrackSegment;
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BOARD_ITEM* currItem = frame->GetCurItem();
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// D( printf( "currTrack=%p currItem=%p currTrack->Type()=%d currItem->Type()=%d\n", currTrack, currItem, currTrack ? currTrack->Type() : 0, currItem ? currItem->Type() : 0 ); )
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if( !currTrack && currItem && currItem->Type()==TYPEVIA && currItem->m_Flags )
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{
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curr = NULL;
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// moving a VIA
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currTrack = (TRACK*) currItem;
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amMovingVia = true;
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return false; // comment this return out and play with it.
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}
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else if( currItem != currTrack )
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{
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currTrack = NULL;
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}
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bool pad_ok = false;
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if( g_MagneticPadOption == capture_always )
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pad_ok = true;
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bool track_ok = false;
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if( g_MagneticTrackOption == capture_always )
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track_ok = true;
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if( aCurrentTool == ID_TRACK_BUTT )
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{
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int q = capture_cursor_in_track_tool;
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if( g_MagneticPadOption == q )
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pad_ok = true;
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if( g_MagneticTrackOption == q )
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track_ok = true;
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}
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if(!pad_ok && !track_ok) //then nothing magnetic to do
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return false;
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pad = Locate_Any_Pad( m_Pcb, CURSEUR_OFF_GRILLE, TRUE );
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if( pad && pad_ok)
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if( g_MagneticPadOption == capture_always )
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doPad = true;
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if( g_MagneticTrackOption == capture_always )
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doTrack = true;
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if( aCurrentTool == ID_TRACK_BUTT || amMovingVia )
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{
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if( doCheckNet && curr && curr->GetNet() != pad->GetNet() )
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return false;
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int q = capture_cursor_in_track_tool;
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*curpos = pad->m_Pos;
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return true;
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if( g_MagneticPadOption == q )
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doPad = true;
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if( g_MagneticTrackOption == q )
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doTrack = true;
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}
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layer = ( (PCB_SCREEN*) ActiveScreen )->m_Active_Layer;
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D(printf("doPad=%d doTrack=%d aCurrentTool=%d amMovingVia=%d\n", doPad, doTrack, aCurrentTool, amMovingVia );)
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via = Locate_Via_Area( m_Pcb, *curpos, layer );
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if( via && track_ok) //vias are part of tracks...?
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// The search precedence order is pads, then tracks/vias
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if( doPad )
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{
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if( doCheckNet && curr && curr->GetNet() != via->GetNet() )
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return false;
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*curpos = via->m_Start;
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return true;
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}
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layer_mask = g_TabOneLayerMask[layer];
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if( !curr && track_ok)
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{
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track = Locate_Pistes( m_Pcb->m_Track, layer_mask, CURSEUR_OFF_GRILLE );
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if( !track || track->Type() != TYPETRACK )
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return false;
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return Project( curpos, on_grid, track );
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}
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/*
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* In two segment mode, ignore the final segment if it's inside a grid
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* square.
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*/
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if( curr && g_TwoSegmentTrackBuild && curr->Back()
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&& curr->m_Start.x - grid.x < curr->m_End.x
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&& curr->m_Start.x + grid.x > curr->m_End.x
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&& curr->m_Start.y - grid.y < curr->m_End.y
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&& curr->m_Start.y + grid.y > curr->m_End.y )
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{
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curr = curr->Back();
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}
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for( track = m_Pcb->m_Track; track && track_ok; track = track->Next() )
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{
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if( track->Type() != TYPETRACK )
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continue;
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if( doCheckNet && curr->GetNet() != track->GetNet() )
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continue;
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if( (g_DesignSettings.m_LayerColor[track->GetLayer()] & ITEM_NOT_SHOW) )
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continue;
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if( !track->IsOnLayer( layer ) )
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continue;
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// @todo, this should be a track overlap test, not a mouse on track test.
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// The former would consider the new track's width.
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if( !track->HitTest( *curpos ) )
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continue;
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if( Join( curpos, track->m_Start, track->m_End, curr->m_Start, curr->m_End ) )
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D_PAD* pad = Locate_Any_Pad( m_Pcb, CURSEUR_OFF_GRILLE, TRUE );
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if( pad )
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{
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if( doCheckNet && currTrack && currTrack->GetNet() != pad->GetNet() )
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return false;
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*curpos = pad->m_Pos;
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return true;
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}
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}
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if( aCurrentTool == ID_TRACK_BUTT )
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// after pads, only track & via tests remain, skip them if not desired
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if( doTrack )
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{
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int layer = ( (PCB_SCREEN*) ActiveScreen )->m_Active_Layer;
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for( TRACK* via = m_Pcb->m_Track;
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via && (via = Locate_Via_Area( via, *curpos, layer )) != NULL;
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via = via->Next() )
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{
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// At this point we have a drawing mouse on a track, we are drawing
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// a new track and that new track is parallel to the track the
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// mouse is on. Find the nearest end point of the track under mouse
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// to the mouse and return that.
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double distStart = hypot( double( curpos->x - track->m_Start.x ),
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double( curpos->y - track->m_Start.y ));
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if( via != currTrack ) // a via cannot influence itself
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{
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if( doCheckNet && currTrack && currTrack->GetNet() != via->GetNet() )
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return false;
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double distEnd = hypot( double( curpos->x - track->m_End.x ),
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double( curpos->y - track->m_End.y ));
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if( distStart < distEnd )
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*curpos = track->m_Start;
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*curpos = via->m_Start;
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D(printf("via hit\n");)
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return true;
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}
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else
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*curpos = track->m_End;
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return true;
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{
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D( printf( "skipping self\n" ); )
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}
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}
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if( !currTrack )
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{
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int layer_mask = g_TabOneLayerMask[layer];
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TRACK* track = Locate_Pistes( m_Pcb->m_Track, layer_mask, CURSEUR_OFF_GRILLE );
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if( !track || track->Type() != TYPETRACK )
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return false;
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D( printf( "Project\n" ); )
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return Project( curpos, on_grid, track );
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}
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/*
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* In two segment mode, ignore the final segment if it's inside a grid
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* square.
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*/
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if( !amMovingVia && currTrack && g_TwoSegmentTrackBuild && currTrack->Back()
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&& currTrack->m_Start.x - grid.x < currTrack->m_End.x
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&& currTrack->m_Start.x + grid.x > currTrack->m_End.x
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&& currTrack->m_Start.y - grid.y < currTrack->m_End.y
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&& currTrack->m_Start.y + grid.y > currTrack->m_End.y )
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{
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currTrack = currTrack->Back();
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}
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for( TRACK* track = m_Pcb->m_Track; track; track = track->Next() )
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{
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if( track->Type() != TYPETRACK )
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continue;
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if( doCheckNet && currTrack && currTrack->GetNet() != track->GetNet() )
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continue;
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if( (g_DesignSettings.m_LayerColor[track->GetLayer()] & ITEM_NOT_SHOW) )
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continue;
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// omit the layer check if moving a via
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if( !amMovingVia && !track->IsOnLayer( layer ) )
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continue;
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if( !track->HitTest( *curpos ) )
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continue;
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if( Join( curpos, track->m_Start, track->m_End, currTrack->m_Start, currTrack->m_End ) )
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{
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D(printf( "join currTrack->Type()=%d\n", currTrack->Type() );)
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return true;
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}
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if( aCurrentTool == ID_TRACK_BUTT || amMovingVia )
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{
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// At this point we have a drawing mouse on a track, we are drawing
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// a new track and that new track is parallel to the track the
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// mouse is on. Find the nearest end point of the track under mouse
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// to the mouse and return that.
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double distStart = hypot( double( curpos->x - track->m_Start.x ),
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double( curpos->y - track->m_Start.y ));
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double distEnd = hypot( double( curpos->x - track->m_End.x ),
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double( curpos->y - track->m_End.y ));
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// if track not via, or if its a via dragging but not with its adjacent track
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if( currTrack->Type() != TYPEVIA
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|| ( currTrack->m_Start!=track->m_Start && currTrack->m_Start!=track->m_End ))
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{
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if( distStart <= currTrack->m_Width/2 )
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{
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D(printf("nearest end is start\n");)
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*curpos = track->m_Start;
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return true;
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}
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if( distEnd <= currTrack->m_Width/2 )
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{
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D(printf("nearest end is end\n");)
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*curpos = track->m_End;
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return true;
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}
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// @todo otherwise confine curpos such that it stays centered
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// within "track"
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}
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}
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}
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}
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@ -42,51 +42,47 @@ TRACK* Locate_Via( BOARD* Pcb, const wxPoint& pos, int layer )
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* (TRACK*) adresse de la via
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*/
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{
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TRACK* Track;
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TRACK* track;
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for( Track = Pcb->m_Track; Track != NULL; Track = Track->Next() )
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for( track = Pcb->m_Track; track; track = track->Next() )
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{
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if( Track->Type() != TYPEVIA )
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if( track->Type() != TYPEVIA )
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continue;
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if( Track->m_Start != pos )
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if( track->m_Start != pos )
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continue;
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if( Track->GetState( BUSY | DELETED ) )
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if( track->GetState( BUSY | DELETED ) )
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continue;
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if( layer < 0 )
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return Track;
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if( Track->IsOnLayer( layer ) )
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return Track;
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break;
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if( track->IsOnLayer( layer ) )
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break;
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}
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return NULL;
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return track;
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}
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/*******************************************************************/
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TRACK* Locate_Via_Area( BOARD* Pcb, const wxPoint& pos, int layer )
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TRACK* Locate_Via_Area( TRACK* aStart, const wxPoint& pos, int layer )
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/*******************************************************************/
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/*
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* Like Locate_Via, but finds any via covering the cursor position
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*/
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{
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TRACK* Track;
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TRACK* track;
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for( Track = Pcb->m_Track; Track != NULL; Track = Track->Next() )
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for( track = aStart; track; track = track->Next() )
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{
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if( Track->Type() != TYPEVIA )
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if( track->Type() != TYPEVIA )
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continue;
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if(!Track->HitTest(pos))
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if( !track->HitTest(pos) )
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continue;
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if( Track->GetState( BUSY | DELETED ) )
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if( track->GetState( BUSY | DELETED ) )
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continue;
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if( layer < 0 )
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return Track;
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if( Track->IsOnLayer( layer ) )
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return Track;
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break;
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if( track->IsOnLayer( layer ) )
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break;
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}
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return NULL;
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return track;
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}
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@ -77,7 +77,15 @@ void Trace_Pads_Only( WinEDA_DrawPanel* panel, wxDC* DC, MODULE* Module, int ox,
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TRACK* Locate_Via( BOARD* Pcb, const wxPoint& pos, int layer = -1 );
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TRACK* Locate_Via_Area( BOARD* Pcb, const wxPoint& pos, int layer = -1 );
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/**
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* Function Locate_Via_Area
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* finds the first SEGVIA which covers the given aPos with a matching layer.
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* @param aStart The starting TRACK or SEGVIA in the BOARD's list.
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* @param aPos The wxPoint to HitTest() against.
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* @param aLayer The layer to match, pass -1 for a don't care.
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* @return TRACK* - actually a SEGVIA* if found, else NULL.
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*/
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TRACK* Locate_Via_Area( TRACK* aStart, const wxPoint& aPos, int aLayer = -1 );
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TRACK* Fast_Locate_Via( TRACK* start_adr, TRACK* end_adr,
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const wxPoint& pos, int masquelayer );
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