/****************/ /* Edit traces. */ /****************/ #include "fctsys.h" #include "common.h" #include "class_drawpanel.h" #include "pcbnew.h" #include "wxPcbStruct.h" #include "class_board_design_settings.h" #include "colors_selection.h" #include "drc_stuff.h" #include "trigo.h" #include "protos.h" static void Exit_Editrack( EDA_DRAW_PANEL* panel, wxDC* DC ); void ShowNewTrackWhenMovingCursor( EDA_DRAW_PANEL* panel, wxDC* DC, bool erase ); static void ComputeBreakPoint( TRACK* track, int n, wxPoint end ); static void DeleteNullTrackSegments( BOARD* pcb, DLIST& aTrackList ); static void EnsureEndTrackOnPad( D_PAD* Pad ); static int OldNetCodeSurbrillance; static int OldEtatSurbrillance; static PICKED_ITEMS_LIST s_ItemsListPicker; /* Routine to cancel the route if a track is being drawn, or exit the * application EDITRACK. */ static void Exit_Editrack( EDA_DRAW_PANEL* Panel, wxDC* DC ) { WinEDA_PcbFrame* frame = (WinEDA_PcbFrame*) Panel->GetParent(); TRACK* track = (TRACK*) frame->GetCurItem(); if( track && ( track->Type()==TYPE_VIA || track->Type()==TYPE_TRACK ) ) { /* Erase the current drawing */ ShowNewTrackWhenMovingCursor( Panel, DC, false ); if( g_HighLight_Status ) frame->High_Light( DC ); g_HighLight_NetCode = OldNetCodeSurbrillance; if( OldEtatSurbrillance ) frame->High_Light( DC ); frame->MsgPanel->EraseMsgBox(); // Undo pending changes (mainly a lock point cretion) and clear the // undo picker list: frame->PutDataInPreviousState( &s_ItemsListPicker, false, false ); s_ItemsListPicker.ClearListAndDeleteItems(); // Delete current (new) track g_CurrentTrackList.DeleteAll(); } Panel->ManageCurseur = NULL; Panel->ForceCloseManageCurseur = NULL; frame->SetCurItem( NULL ); } /* * Begin drawing a new track and/or establish of a new track point. * * If no current track record of: * - Search netname of the new track (pad out departure netname * if the departure runway on an old track * - Highlight all the net * - Initialize the various trace pointers. * If current track: * - Control DRC * - OK if DRC: adding a new track. */ TRACK* WinEDA_PcbFrame::Begin_Route( TRACK* aTrack, wxDC* DC ) { D_PAD* pt_pad = NULL; TRACK* TrackOnStartPoint = NULL; int masquelayer = g_TabOneLayerMask[( (PCB_SCREEN*) GetScreen() )->m_Active_Layer]; BOARD_ITEM* LockPoint; wxPoint pos = GetScreen()->m_Curseur; DrawPanel->ManageCurseur = ShowNewTrackWhenMovingCursor; DrawPanel->ForceCloseManageCurseur = Exit_Editrack; if( aTrack == NULL ) /* Starting a new track */ { // Prepare the undo command info s_ItemsListPicker.ClearListAndDeleteItems(); // Should not be // necessary, // but... /* erase old highlight */ OldNetCodeSurbrillance = g_HighLight_NetCode; OldEtatSurbrillance = g_HighLight_Status; if( g_HighLight_Status ) High_Light( DC ); g_CurrentTrackList.PushBack( new TRACK( GetBoard() ) ); g_CurrentTrackSegment->m_Flags = IS_NEW; g_HighLight_NetCode = 0; // Search for a starting point of the new track, a track or pad LockPoint = LocateLockPoint( GetBoard(), pos, masquelayer ); if( LockPoint ) // An item (pad or track) is found { if( LockPoint->Type() == TYPE_PAD ) { pt_pad = (D_PAD*) LockPoint; /* A pad is found: put the starting point on pad centre */ pos = pt_pad->m_Pos; g_HighLight_NetCode = pt_pad->GetNet(); } else /* A track segment is found */ { TrackOnStartPoint = (TRACK*) LockPoint; g_HighLight_NetCode = TrackOnStartPoint->GetNet(); CreateLockPoint( GetBoard(), pos, TrackOnStartPoint, &s_ItemsListPicker ); } } else // no starting point, but a filled zone area can exist. This is // also a good starting point. { ZONE_CONTAINER* zone = GetBoard()->HitTestForAnyFilledArea( pos, GetScreen()-> m_Active_Layer ); if( zone ) g_HighLight_NetCode = zone->GetNet(); } D( g_CurrentTrackList.VerifyListIntegrity(); ); build_ratsnest_pad( LockPoint, wxPoint( 0, 0 ), true ); D( g_CurrentTrackList.VerifyListIntegrity(); ); High_Light( DC ); // Display info about track Net class, and init track and vias sizes: g_CurrentTrackSegment->SetNet( g_HighLight_NetCode ); GetBoard()->SetCurrentNetClass( g_CurrentTrackSegment->GetNetClassName() ); m_TrackAndViasSizesList_Changed = true; AuxiliaryToolBar_Update_UI(); g_CurrentTrackSegment->SetLayer( GetScreen()->m_Active_Layer ); g_CurrentTrackSegment->m_Width = GetBoard()->GetCurrentTrackWidth(); if( GetBoard()->GetBoardDesignSettings()->m_UseConnectedTrackWidth ) { if( TrackOnStartPoint && TrackOnStartPoint->Type() == TYPE_TRACK ) g_CurrentTrackSegment->m_Width = TrackOnStartPoint->m_Width; } g_CurrentTrackSegment->m_Start = pos; g_CurrentTrackSegment->m_End = pos; if( pt_pad ) { g_CurrentTrackSegment->start = pt_pad; g_CurrentTrackSegment->SetState( BEGIN_ONPAD, ON ); } else g_CurrentTrackSegment->start = TrackOnStartPoint; if( g_TwoSegmentTrackBuild ) { // Create 2nd segment g_CurrentTrackList.PushBack( g_CurrentTrackSegment->Copy() ); D( g_CurrentTrackList.VerifyListIntegrity(); ); g_CurrentTrackSegment->start = g_FirstTrackSegment; g_FirstTrackSegment->end = g_CurrentTrackSegment; g_FirstTrackSegment->SetState( BEGIN_ONPAD | END_ONPAD, OFF ); } D( g_CurrentTrackList.VerifyListIntegrity(); ); g_CurrentTrackSegment->DisplayInfoBase( this ); SetCurItem( g_CurrentTrackSegment, false ); DrawPanel->ManageCurseur( DrawPanel, DC, false ); if( Drc_On ) { if( BAD_DRC == m_drc->Drc( g_CurrentTrackSegment, GetBoard()->m_Track ) ) { return g_CurrentTrackSegment; } } } else /* Track in progress : segment coordinates are updated by * ShowNewTrackWhenMovingCursor*/ { /* Tst for a D.R.C. error: */ if( Drc_On ) { if( BAD_DRC == m_drc->Drc( g_CurrentTrackSegment, GetBoard()->m_Track ) ) return NULL; // We must handle 2 segments if( g_TwoSegmentTrackBuild && g_CurrentTrackSegment->Back() ) { if( BAD_DRC == m_drc->Drc( g_CurrentTrackSegment->Back(), GetBoard()->m_Track ) ) return NULL; } } /* Current track is Ok: current segment is kept, and a new one is * created unless the current segment is null, or 2 last are null * if a 2 segments track build. */ bool CanCreateNewSegment = true; if( !g_TwoSegmentTrackBuild && g_CurrentTrackSegment->IsNull() ) CanCreateNewSegment = false; if( g_TwoSegmentTrackBuild && g_CurrentTrackSegment->IsNull() && g_CurrentTrackSegment->Back() && g_CurrentTrackSegment->Back()->IsNull() ) CanCreateNewSegment = false; if( CanCreateNewSegment ) { /* Erase old track on screen */ D( g_CurrentTrackList.VerifyListIntegrity(); ); ShowNewTrackWhenMovingCursor( DrawPanel, DC, false ); D( g_CurrentTrackList.VerifyListIntegrity(); ); if( g_Raccord_45_Auto ) { Add_45_degrees_Segment( DC ); } TRACK* oneBeforeLatest = g_CurrentTrackSegment; TRACK* newTrack = g_CurrentTrackSegment->Copy(); g_CurrentTrackList.PushBack( newTrack ); newTrack->m_Flags = IS_NEW; newTrack->SetState( BEGIN_ONPAD | END_ONPAD, OFF ); oneBeforeLatest->end = Locate_Pad_Connecte( GetBoard(), oneBeforeLatest, END ); if( oneBeforeLatest->end ) { oneBeforeLatest->SetState( END_ONPAD, ON ); newTrack->SetState( BEGIN_ONPAD, ON ); } newTrack->start = oneBeforeLatest->end; D( g_CurrentTrackList.VerifyListIntegrity(); ); newTrack->m_Start = newTrack->m_End; newTrack->SetLayer( ( (PCB_SCREEN*) GetScreen() )->m_Active_Layer ); if( !GetBoard()->GetBoardDesignSettings()->m_UseConnectedTrackWidth ) { newTrack->m_Width = GetBoard()->GetCurrentTrackWidth(); } D( g_CurrentTrackList.VerifyListIntegrity(); ); /* Show the new position */ ShowNewTrackWhenMovingCursor( DrawPanel, DC, false ); } } SetCurItem( g_CurrentTrackSegment, false ); return g_CurrentTrackSegment; } /* Correct a bend is 90 and changes by 2 elbows at 45 * This only works on horizontal or vertical segments. * * Input: pointer to the segment that we have drawn * Assume that the preceding segment is one that has been * previously drawn * Returns: * 1 if ok * 0 if not */ bool WinEDA_PcbFrame::Add_45_degrees_Segment( wxDC* DC ) { int pas_45; int dx0, dy0, dx1, dy1; if( g_CurrentTrackList.GetCount() < 2 ) return false; /* There must be 2 segments. */ TRACK* curTrack = g_CurrentTrackSegment; TRACK* prevTrack = curTrack->Back(); // Test whether there has 2 consecutive segments to be connected. if( curTrack->Type() != TYPE_TRACK || prevTrack->Type() != TYPE_TRACK ) { return false; } pas_45 = (int) GetScreen()->GetGridSize().x / 2; if( pas_45 < curTrack->m_Width ) pas_45 = (int) GetScreen()->GetGridSize().x; while( pas_45 < curTrack->m_Width ) pas_45 *= 2; // Test if the segments are horizontal or vertical. dx0 = prevTrack->m_End.x - prevTrack->m_Start.x; dy0 = prevTrack->m_End.y - prevTrack->m_Start.y; dx1 = curTrack->m_End.x - curTrack->m_Start.x; dy1 = curTrack->m_End.y - curTrack->m_Start.y; // Segments must be of sufficient length. if( MAX( abs( dx0 ), abs( dy0 ) ) < ( pas_45 * 2 ) ) return false; if( MAX( abs( dx1 ), abs( dy1 ) ) < ( pas_45 * 2 ) ) return false; /* Create a new segment and connect it with the previous 2 segments. */ TRACK* newTrack = curTrack->Copy(); newTrack->m_Start = prevTrack->m_End; newTrack->m_End = curTrack->m_Start; if( dx0 == 0 ) // Segment precedent Vertical { if( dy1 != 0 ) // 2 segments are not 90 degrees. { delete newTrack; return false; } /* Calculate coordinates the connection point. * The new segment connects the 1st segment Vertical and the 2nd * horizontal segment. */ if( dy0 > 0 ) newTrack->m_Start.y -= pas_45; else newTrack->m_Start.y += pas_45; if( dx1 > 0 ) newTrack->m_End.x += pas_45; else newTrack->m_End.x -= pas_45; if( Drc_On && BAD_DRC == m_drc->Drc( curTrack, GetBoard()->m_Track ) ) { delete newTrack; return false; } prevTrack->m_End = newTrack->m_Start; curTrack->m_Start = newTrack->m_End; g_CurrentTrackList.Insert( newTrack, curTrack ); return true; } if( dy0 == 0 ) // Segment precedent horizontal { if( dx1 != 0 ) // 2 segments are not 90 degrees { delete newTrack; return false; } /* Calculate the coordinates of the point of connection: * A new segment has been established, connecting segment 1 * (horizontal) and segment 2 (vertical) */ if( dx0 > 0 ) newTrack->m_Start.x -= pas_45; else newTrack->m_Start.x += pas_45; if( dy1 > 0 ) newTrack->m_End.y += pas_45; else newTrack->m_End.y -= pas_45; if( Drc_On && BAD_DRC==m_drc->Drc( newTrack, GetBoard()->m_Track ) ) { delete newTrack; return false; } prevTrack->m_End = newTrack->m_Start; curTrack->m_Start = newTrack->m_End; g_CurrentTrackList.Insert( newTrack, curTrack ); return true; } return false; } /* * End trace route in progress. */ void WinEDA_PcbFrame::End_Route( TRACK* aTrack, wxDC* DC ) { int masquelayer = g_TabOneLayerMask[( (PCB_SCREEN*) GetScreen() )->m_Active_Layer]; if( aTrack == NULL ) return; if( Drc_On && BAD_DRC== m_drc->Drc( g_CurrentTrackSegment, GetBoard()->m_Track ) ) return; /* Sauvegarde des coord du point terminal de la piste */ wxPoint pos = g_CurrentTrackSegment->m_End; D( g_CurrentTrackList.VerifyListIntegrity(); ); if( Begin_Route( aTrack, DC ) == NULL ) return; ShowNewTrackWhenMovingCursor( DrawPanel, DC, true ); ShowNewTrackWhenMovingCursor( DrawPanel, DC, false ); trace_ratsnest_pad( DC ); /* cleanup * if( g_CurrentTrackSegment->Next() != NULL ) * { * delete g_CurrentTrackSegment->Next(); * g_CurrentTrackSegment->SetNext( NULL ); * } */ D( g_CurrentTrackList.VerifyListIntegrity(); ); /* The track here is non chained to the list of track segments. * It must be seen in the area of net * As close as possible to the segment base (or end), because * This helps to reduce the computing time */ /* Attaching the end of the track. */ BOARD_ITEM* LockPoint = LocateLockPoint( GetBoard(), pos, masquelayer ); if( LockPoint ) /* End of trace is on a pad. */ { if( LockPoint->Type() == TYPE_PAD ) { EnsureEndTrackOnPad( (D_PAD*) LockPoint ); } else /* End of is on a different track, it will * possibly create an anchor. */ { TRACK* adr_buf = (TRACK*) LockPoint; g_HighLight_NetCode = adr_buf->GetNet(); /* Possible establishment of a hanging point. */ LockPoint = CreateLockPoint( GetBoard(), g_CurrentTrackSegment->m_End, adr_buf, &s_ItemsListPicker ); } } // Delete Null segments: DeleteNullTrackSegments( GetBoard(), g_CurrentTrackList ); // Insert new segments if they exist. This can be NULL on a double click // on the start point if( g_FirstTrackSegment != NULL ) { int netcode = g_FirstTrackSegment->GetNet(); TRACK* firstTrack = g_FirstTrackSegment; int newCount = g_CurrentTrackList.GetCount(); // Put entire new current segment list in BOARD, and prepare undo // command TRACK* track; TRACK* insertBeforeMe = g_CurrentTrackSegment->GetBestInsertPoint( GetBoard() ); while( ( track = g_CurrentTrackList.PopFront() ) != NULL ) { ITEM_PICKER picker( track, UR_NEW ); s_ItemsListPicker.PushItem( picker ); GetBoard()->m_Track.Insert( track, insertBeforeMe ); } trace_ratsnest_pad( DC ); Trace_Une_Piste( DrawPanel, DC, firstTrack, newCount, GR_OR ); int i = 0; for( track = firstTrack; track && iNext() ) { track->m_Flags = 0; track->SetState( BUSY, OFF ); } // erase the old track, if exists if( g_AutoDeleteOldTrack ) { EraseRedundantTrack( DC, firstTrack, newCount, &s_ItemsListPicker ); } SaveCopyInUndoList( s_ItemsListPicker, UR_UNSPECIFIED ); s_ItemsListPicker.ClearItemsList(); // s_ItemsListPicker is no more // owner of picked items /* compute the new rastnest */ test_1_net_connexion( DC, netcode ); OnModify(); GetBoard()->DisplayInfo( this ); } wxASSERT( g_FirstTrackSegment==NULL ); wxASSERT( g_CurrentTrackSegment==NULL ); wxASSERT( g_CurrentTrackList.GetCount()==0 ); if( g_HighLight_Status ) High_Light( DC ); g_HighLight_NetCode = OldNetCodeSurbrillance; if( OldEtatSurbrillance ) High_Light( DC ); DrawPanel->ManageCurseur = NULL; DrawPanel->ForceCloseManageCurseur = NULL; SetCurItem( NULL ); } TRACK* LocateIntrusion( TRACK* listStart, TRACK* aTrack ) { int net = aTrack->GetNet(); int width = aTrack->m_Width; int layer = ( (PCB_SCREEN*) ActiveScreen )->m_Active_Layer; wxPoint ref = ActiveScreen->RefPos( true ); TRACK* found = NULL; for( TRACK* track = listStart; track; track = track->Next() ) { if( track->Type() == TYPE_TRACK ) // skip vias { if( track->GetState( BUSY | DELETED ) ) continue; if( layer != track->GetLayer() ) continue; if( track->GetNet() == net ) continue; /* TRACK::HitTest */ int dist = (width + track->m_Width) / 2 + aTrack->GetClearance( track ); wxPoint pos = ref - track->m_Start; wxPoint vec = track->m_End - track->m_Start; if( !DistanceTest( dist, vec.x, vec.y, pos.x, pos.y ) ) continue; found = track; /* prefer intrusions from the side, not the end */ double tmp = (double) pos.x * vec.x + (double) pos.y * vec.y; if( tmp >= 0 && tmp <= (double) vec.x * vec.x + (double) vec.y * vec.y ) break; } } return found; } /** * Function PushTrack * detects if the mouse is pointing into a conflicting track. * In this case, it tries to push the new track out of the conflicting track's * clearance zone. This gives us a cheap mechanism for drawing tracks that * tightly follow others, independent of grid settings. * * KNOWN BUGS: * - we do the same sort of search and calculation up to three times: * 1) we search for magnetic hits (in controle.cpp) * 2) we check if there's a DRC violation in the making (also controle.cpp) * 3) we try to fix the DRC violation (here) * - if we have a magnetic hit and a DRC violation at the same time, we choose * the magnetic hit instead of solving the violation * - should locate conflicting tracks also when we're crossing over them */ static void PushTrack( EDA_DRAW_PANEL* panel ) { BOARD* pcb = ( (WinEDA_BasePcbFrame*) (panel->GetParent()) )->GetBoard(); wxPoint cursor = ActiveScreen->m_Curseur; wxPoint cv, vec, n; TRACK* track = g_CurrentTrackSegment; TRACK* other; double det; int dist; double f; other = LocateIntrusion( pcb->m_Track, track ); /* are we currently pointing into a conflicting trace ? */ if( !other ) return; if( other->GetNet() == track->GetNet() ) return; cv = cursor - other->m_Start; vec = other->m_End - other->m_Start; det = (double) cv.x * vec.y - (double) cv.y * vec.x; /* cursor is right at the center of the old track */ if( !det ) return; dist = (track->m_Width + 1) / 2 + (other->m_Width + 1) / 2 + track->GetClearance( other ) + 2; /* * DRC wants >, so +1. * We may have a quantization error of 1/sqrt(2), so +1 again. */ /* Vector "n" is perpendicular to "other", pointing towards the cursor. */ if( det > 0 ) { n.x = vec.y; n.y = -vec.x; } else { n.x = -vec.y; n.y = vec.x; } f = dist / hypot( double(n.x), double(n.y) ); n.x = wxRound( f * n.x ); n.y = wxRound( f * n.y ); Project( &track->m_End, cursor, other ); track->m_End += n; } /* Redraw the current track beiing created when the mouse cursor is moved */ void ShowNewTrackWhenMovingCursor( EDA_DRAW_PANEL* panel, wxDC* DC, bool erase ) { D( g_CurrentTrackList.VerifyListIntegrity(); ); PCB_SCREEN* screen = (PCB_SCREEN*) panel->GetScreen(); WinEDA_BasePcbFrame* frame = (WinEDA_BasePcbFrame*) panel->GetParent(); bool Track_fill_copy = DisplayOpt.DisplayPcbTrackFill; DisplayOpt.DisplayPcbTrackFill = true; int showTrackClearanceMode = DisplayOpt.ShowTrackClearanceMode; if (g_FirstTrackSegment == NULL) return; NETCLASS* netclass = g_FirstTrackSegment->GetNetClass(); if( showTrackClearanceMode != DO_NOT_SHOW_CLEARANCE ) DisplayOpt.ShowTrackClearanceMode = SHOW_CLEARANCE_ALWAYS; /* Erase old track */ if( erase ) { Trace_Une_Piste( panel, DC, g_FirstTrackSegment, g_CurrentTrackList.GetCount(), GR_XOR ); frame->trace_ratsnest_pad( DC ); if( showTrackClearanceMode >= SHOW_CLEARANCE_NEW_TRACKS_AND_VIA_AREAS ) { int color = g_ColorsSettings.GetLayerColor(g_CurrentTrackSegment->GetLayer()); GRCircle( &panel->m_ClipBox, DC, g_CurrentTrackSegment->m_End.x, g_CurrentTrackSegment->m_End.y, ( netclass->GetViaDiameter() / 2 ) + netclass->GetClearance(), color ); } } // MacOSX seems to need this. if( g_CurrentTrackList.GetCount() == 0 ) return; // Set track parameters, that can be modified while creating the track g_CurrentTrackSegment->SetLayer( screen->m_Active_Layer ); if( !frame->GetBoard()->GetBoardDesignSettings()->m_UseConnectedTrackWidth ) g_CurrentTrackSegment->m_Width = frame->GetBoard()->GetCurrentTrackWidth(); if( g_TwoSegmentTrackBuild ) { TRACK* previous_track = g_CurrentTrackSegment->Back(); if( previous_track && previous_track->Type()==TYPE_TRACK ) { previous_track->SetLayer( screen->m_Active_Layer ); if( !frame->GetBoard()->GetBoardDesignSettings()->m_UseConnectedTrackWidth ) previous_track->m_Width = frame->GetBoard()->GetCurrentTrackWidth(); } } if( g_Track_45_Only_Allowed ) { if( g_TwoSegmentTrackBuild ) { g_CurrentTrackSegment->m_End = ActiveScreen->m_Curseur; if( Drc_On ) PushTrack( panel ); ComputeBreakPoint( g_CurrentTrackSegment, g_CurrentTrackList.GetCount(), g_CurrentTrackSegment->m_End ); } else { /* Calculate of the end of the path for the permitted directions: * horizontal, vertical or 45 degrees. */ Calcule_Coord_Extremite_45( g_CurrentTrackSegment->m_Start.x, g_CurrentTrackSegment->m_Start.y, &g_CurrentTrackSegment->m_End.x, &g_CurrentTrackSegment->m_End.y ); } } else /* Here the angle is arbitrary */ { g_CurrentTrackSegment->m_End = screen->m_Curseur; } /* Redraw the new track */ D( g_CurrentTrackList.VerifyListIntegrity(); ); Trace_Une_Piste( panel, DC, g_FirstTrackSegment, g_CurrentTrackList.GetCount(), GR_XOR ); if( showTrackClearanceMode >= SHOW_CLEARANCE_NEW_TRACKS_AND_VIA_AREAS ) { int color = g_ColorsSettings.GetLayerColor(g_CurrentTrackSegment->GetLayer()); GRCircle( &panel->m_ClipBox, DC, g_CurrentTrackSegment->m_End.x, g_CurrentTrackSegment->m_End.y, ( netclass->GetViaDiameter() / 2 ) + netclass->GetClearance(), color ); } /* Display info about currrent segment and the full new track: * Choose the interesting segment: because we are using a 2 segments step, * the last segment can be null, and the previous segment can be the * interesting segment. */ TRACK* isegm = g_CurrentTrackSegment; if( isegm->GetLength() == 0 && g_CurrentTrackSegment->Back() ) isegm = g_CurrentTrackSegment->Back(); // display interesting segment info only: isegm->DisplayInfoBase( frame ); // Add current track length double trackLen = 0.0; wxString msg; for( TRACK* track = g_FirstTrackSegment; track; track = track->Next() ) trackLen += track->GetLength(); valeur_param( wxRound( trackLen ), msg ); frame->AppendMsgPanel( _( "Track Len" ), msg, DARKCYAN ); // Add current segments count (number of segments in this new track): msg.Printf( wxT( "%d" ), g_CurrentTrackList.GetCount() ); frame->AppendMsgPanel( _( "Segs Count" ), msg, DARKCYAN ); DisplayOpt.ShowTrackClearanceMode = showTrackClearanceMode; DisplayOpt.DisplayPcbTrackFill = Track_fill_copy; frame->build_ratsnest_pad( NULL, g_CurrentTrackSegment->m_End, false ); frame->trace_ratsnest_pad( DC ); } /* Determine the coordinate to advanced the the current segment * in 0, 90, or 45 degrees, depending on position of origin and * cursor position. */ void Calcule_Coord_Extremite_45( int ox, int oy, int* fx, int* fy ) { int deltax, deltay, angle; deltax = ActiveScreen->m_Curseur.x - ox; deltay = ActiveScreen->m_Curseur.y - oy; deltax = abs( deltax ); deltay = abs( deltay ); angle = 45; if( deltax >= deltay ) { if( deltax == 0 ) angle = 0; else if( ( (deltay << 6 ) / deltax ) < 26 ) angle = 0; } else { angle = 45; if( deltay == 0 ) angle = 90; else if( ( (deltax << 6 ) / deltay ) < 26 ) angle = 90; } switch( angle ) { case 0: *fx = ActiveScreen->m_Curseur.x; *fy = oy; break; case 45: deltax = MIN( deltax, deltay ); deltay = deltax; /* Recalculate the signs fo deltax and deltaY. */ if( ( ActiveScreen->m_Curseur.x - ox ) < 0 ) deltax = -deltax; if( ( ActiveScreen->m_Curseur.y - oy ) < 0 ) deltay = -deltay; *fx = ox + deltax; *fy = oy + deltay; break; case 90: *fx = ox; *fy = ActiveScreen->m_Curseur.y; break; } } /** * Compute new track angle based on previous track. */ void ComputeBreakPoint( TRACK* track, int SegmentCount, wxPoint end ) { int iDx = 0; int iDy = 0; int iAngle = 0; if( SegmentCount <= 0 ) return; if( track == NULL ) return; TRACK* newTrack = track; track = track->Back(); SegmentCount--; if( track ) { iDx = end.x - track->m_Start.x; iDy = end.y - track->m_Start.y; iDx = abs( iDx ); iDy = abs( iDy ); } TRACK* lastTrack = track ? track->Back() : NULL; if( lastTrack ) { if(( (lastTrack->m_End.x == lastTrack->m_Start.x) || (lastTrack->m_End.y == lastTrack->m_Start.y) ) && !g_Alternate_Track_Posture) { iAngle = 45; } } else { if (g_Alternate_Track_Posture) { iAngle = 45; } } if( iAngle == 0 ) { if( iDx >= iDy ) iAngle = 0; else iAngle = 90; } if( track == NULL ) iAngle = -1; switch( iAngle ) { case -1: break; case 0: if( ( end.x - track->m_Start.x ) < 0 ) track->m_End.x = end.x + iDy; else track->m_End.x = end.x - iDy; track->m_End.y = track->m_Start.y; break; case 45: iDx = MIN( iDx, iDy ); iDy = iDx; /* Recalculate the signs fo deltax and deltaY. */ if( ( end.x - track->m_Start.x ) < 0 ) iDx = -iDx; if( ( end.y - track->m_Start.y ) < 0 ) iDy = -iDy; track->m_End.x = track->m_Start.x + iDx; track->m_End.y = track->m_Start.y + iDy; break; case 90: if( ( end.y - track->m_Start.y ) < 0 ) track->m_End.y = end.y + iDx; else track->m_End.y = end.y - iDx; track->m_End.x = track->m_Start.x; break; } if( track ) { if( track->IsNull() ) track->m_End = end; newTrack->m_Start = track->m_End; } newTrack->m_End = end; } /* Delete track segments which have len = 0; after creating a new track * return a pointer on the first segment (start of track list) */ void DeleteNullTrackSegments( BOARD* pcb, DLIST& aTrackList ) { if( aTrackList.GetCount() == 0 ) return; TRACK* track = aTrackList.GetFirst(); TRACK* firsttrack = track; TRACK* oldtrack; BOARD_ITEM* LockPoint = track->start; while( track != NULL ) { oldtrack = track; track = track->Next(); if( !oldtrack->IsNull() ) { continue; } // NULL segment, delete it if( firsttrack == oldtrack ) firsttrack = track; delete aTrackList.Remove( oldtrack ); } if( aTrackList.GetCount() == 0 ) return; // all the new track segments have been deleted // we must set the pointers on connected items and the connection status oldtrack = track = firsttrack; firsttrack->start = NULL; while( track != NULL ) { oldtrack = track; track = track->Next(); oldtrack->end = track; if( track ) track->start = oldtrack; oldtrack->SetStatus( 0 ); } firsttrack->start = LockPoint; if( LockPoint && LockPoint->Type()==TYPE_PAD ) firsttrack->SetState( BEGIN_ONPAD, ON ); track = firsttrack; while( track != NULL ) { TRACK* next_track = track->Next(); LockPoint = Locate_Pad_Connecte( pcb, track, END ); if( LockPoint ) { track->end = LockPoint; track->SetState( END_ONPAD, ON ); if( next_track ) { next_track->start = LockPoint; next_track->SetState( BEGIN_ONPAD, ON ); } } track = next_track; } } /* Ensure the end point of g_CurrentTrackSegment is on the pas "Pad" * if no, create a new track segment if necessary * and move current (or new) end segment on pad */ void EnsureEndTrackOnPad( D_PAD* Pad ) { if( g_CurrentTrackSegment->m_End == Pad->m_Pos ) // Ok ! { g_CurrentTrackSegment->end = Pad; g_CurrentTrackSegment->SetState( END_ONPAD, ON ); return; } TRACK* lasttrack = g_CurrentTrackSegment; if( !g_CurrentTrackSegment->IsNull() ) { /* Must create a new segment, from track end to pad center */ g_CurrentTrackList.PushBack( lasttrack->Copy() ); lasttrack->end = g_CurrentTrackSegment; } g_CurrentTrackSegment->m_End = Pad->m_Pos; g_CurrentTrackSegment->SetState( END_ONPAD, OFF ); g_CurrentTrackSegment->end = Pad; g_CurrentTrackSegment->SetState( END_ONPAD, ON ); }