kicad/pcbnew/class_track.cpp

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/******************************************************************/
/* fonctions membres des classes TRACK et derivees (voir struct.h */
/******************************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "pcbnew.h"
#ifdef CVPCB
#include "cvpcb.h"
#endif
/**************************************/
/* Classes pour Pistes, Vias et Zones */
/**************************************/
/* Constructeur des classes type pistes, vias et zones */
TRACK::TRACK(EDA_BaseStruct * StructFather, DrawStructureType idtype):
EDA_BaseLineStruct( StructFather, idtype)
{
m_Shape = S_SEGMENT;
start = end = NULL;
m_NetCode = 0;
m_Sous_Netcode = 0;
m_Drill = -1;
m_Param = 0;
}
SEGZONE::SEGZONE(EDA_BaseStruct * StructFather):
TRACK( StructFather, TYPEZONE)
{
}
SEGVIA::SEGVIA(EDA_BaseStruct * StructFather):
TRACK( StructFather, TYPEVIA)
{
}
/* Copy constructor */
TRACK::TRACK(const TRACK & Source):
EDA_BaseLineStruct( Source.m_Parent, (DrawStructureType)Source.m_StructType)
{
m_StructType = Source.m_StructType;
m_Shape = Source.m_Shape;
m_NetCode = Source.m_NetCode;
m_Flags = Source.m_Flags;
m_TimeStamp = Source.m_TimeStamp;
SetStatus(Source.ReturnStatus() );
m_Layer = Source.m_Layer;
m_Start = Source.m_Start;
m_End = Source.m_End;
m_Width = Source.m_Width;
m_Drill = Source.m_Drill;
m_Sous_Netcode = Source.m_Sous_Netcode;
m_Param = Source.m_Param;
}
/***********************/
bool TRACK::IsNull(void)
/***********************/
// return TRUE if segment lenght = 0
{
if ( ( m_StructType != TYPEVIA ) && ( m_Start == m_End ) )
return TRUE;
else return FALSE;
}
/*************************************************************/
int TRACK::IsPointOnEnds(const wxPoint & point, int min_dist)
/*************************************************************/
/* Return:
STARTPOINT if point if near (dist = min_dist) star point
ENDPOINT if point if near (dist = min_dist) end point
STARTPOINT|ENDPOINT if point if near (dist = min_dist) both ends
0 if no
if min_dist < 0: min_dist = track_width/2
*/
{
int dx, dy;
int result = 0;
if ( min_dist < 0 ) min_dist = m_Width / 2;
dx = m_Start.x - point.x;
dy = m_Start.y - point.y;
if ( min_dist == 0 )
{
if( (dx == 0) && (dy == 0 ) ) result |= STARTPOINT;
}
else
{
double dist = ((double)dx *dx) + ((double)dy*dy);
dist = sqrt(dist);
if ( min_dist >= (int) dist ) result |= STARTPOINT;
}
dx = m_End.x - point.x;
dy = m_End.y - point.y;
if ( min_dist == 0 )
{
if( (dx == 0) && (dy == 0 ) ) result |= ENDPOINT;
}
else
{
double dist = ((double)dx *dx) + ((double)dy*dy);
dist = sqrt(dist);
if ( min_dist >= (int) dist ) result |= ENDPOINT;
}
return result;
}
/******************************************/
bool SEGVIA::IsViaOnLayer(int layer_number )
/******************************************/
/* Retoune TRUE si Via sur layer layer_number
*/
{
int via_type = Shape();
if( via_type == VIA_NORMALE )
{
if ( layer_number <= LAYER_CMP_N ) return TRUE;
else return FALSE;
}
// VIA_BORGNE ou VIA_ENTERREE:
int bottom_layer, top_layer;
ReturnLayerPair(& top_layer, & bottom_layer);
if ( (bottom_layer <= layer_number) && (top_layer >= layer_number) )
return TRUE;
else return FALSE;
}
/***********************************/
int TRACK::ReturnMaskLayer(void)
/***********************************/
/* Retourne le masque (liste bit a bit ) des couches occupees par le segment
de piste pointe par PtSegm.
Si PtSegm pointe une via, il y a plusieurs couches occupees
*/
{
if( m_StructType == TYPEVIA )
{
int via_type = m_Shape & 15;
if( via_type == VIA_NORMALE ) return (ALL_CU_LAYERS);
// VIA_BORGNE ou VIA_ENTERREE:
int bottom_layer = (m_Layer >> 4) & 15;
int top_layer = m_Layer & 15;
if ( bottom_layer > top_layer ) EXCHG (bottom_layer, top_layer);
int layermask = 0;
while ( bottom_layer <= top_layer )
{
layermask |= g_TabOneLayerMask[bottom_layer++];
}
return (layermask);
}
else return(g_TabOneLayerMask[m_Layer]);
}
/*********************************************************/
void SEGVIA::SetLayerPair(int top_layer, int bottom_layer)
/*********************************************************/
/* Met a jour .m_Layer pour une via:
m_Layer code les 2 couches limitant la via
*/
{
int via_type = m_Shape & 255;
if( via_type == VIA_NORMALE )
{
top_layer = LAYER_CMP_N; bottom_layer = LAYER_CUIVRE_N;
}
if ( bottom_layer > top_layer ) EXCHG (bottom_layer, top_layer);
m_Layer = (top_layer & 15) + ( (bottom_layer & 15) << 4 );
}
/***************************************************************/
void SEGVIA::ReturnLayerPair(int * top_layer, int * bottom_layer)
/***************************************************************/
/* Retourne les 2 couches limitant la via
les pointeurs top_layer et bottom_layer peuvent etre NULLs
*/
{
int b_layer = (m_Layer >> 4) & 15;
int t_layer = m_Layer & 15;
if ( b_layer > t_layer ) EXCHG (b_layer, t_layer);
if ( top_layer ) * top_layer = t_layer;
if ( bottom_layer ) * bottom_layer = b_layer;
}
/************************/
TRACK * TRACK::Next(void)
/************************/
{
return (TRACK *) Pnext;
}
/* supprime du chainage la structure Struct
les structures arrieres et avant sont chainees directement
*/
void TRACK::UnLink( void )
{
/* Modification du chainage arriere */
if( Pback )
{
if( Pback->m_StructType != TYPEPCB)
{
Pback->Pnext = Pnext;
}
else /* Le chainage arriere pointe sur la structure "Pere" */
{
if ( GetState(DELETED) ) // A REVOIR car Pback = NULL si place en undelete
{
if( g_UnDeleteStack ) g_UnDeleteStack[g_UnDeleteStackPtr-1] = Pnext;
}
else
{
if (m_StructType == TYPEZONE)
{
((BOARD*)Pback)->m_Zone = (TRACK*)Pnext;
}
else
{
((BOARD*)Pback)->m_Track = (TRACK*)Pnext;
}
}
}
}
/* Modification du chainage avant */
if( Pnext) Pnext->Pback = Pback;
Pnext = Pback = NULL;
}
/************************************************************/
void TRACK::Insert(BOARD * Pcb, EDA_BaseStruct * InsertPoint)
/************************************************************/
/* Ajoute un element ou une liste a une liste de base
Si Insertpoint == NULL: insertion en debut de
liste Pcb->Track ou Pcb->Zone
Insertion a la suite de InsertPoint
Si InsertPoint == NULL, insertion en tete de liste
*/
{
TRACK* track, *NextS;
/* Insertion du debut de la chaine a greffer */
if (InsertPoint == NULL)
{
Pback = Pcb;
if (m_StructType == TYPEZONE)
{
NextS = Pcb->m_Zone; Pcb->m_Zone = this;
}
else
{
NextS = Pcb->m_Track; Pcb->m_Track = this;
}
}
else
{
NextS = (TRACK*)InsertPoint->Pnext;
Pback = InsertPoint;
InsertPoint->Pnext = this;
}
/* Chainage de la fin de la liste a greffer */
track = this;
while ( track->Pnext ) track = (TRACK*) track->Pnext;
/* Track pointe la fin de la chaine a greffer */
track->Pnext = NextS;
if ( NextS ) NextS->Pback = track;
}
/***********************************************/
TRACK * TRACK::GetBestInsertPoint( BOARD * Pcb )
/***********************************************/
/* Recherche du meilleur point d'insertion pour le nouveau segment de piste
Retourne
un pointeur sur le segment de piste APRES lequel l'insertion
doit se faire ( dernier segment du net d'apartenance )
NULL si pas de piste ( liste vide );
*/
{
TRACK * track, * NextTrack;
if( m_StructType == TYPEZONE ) track = Pcb->m_Zone;
else track = Pcb->m_Track;
/* Traitement du debut de liste */
if ( track == NULL ) return(NULL); /* pas de piste ! */
if ( m_NetCode < track->m_NetCode ) /* insertion en tete de liste */
return(NULL);
while( (NextTrack = (TRACK*)track->Pnext) != NULL )
{
if ( NextTrack->m_NetCode > this->m_NetCode ) break;
track = NextTrack;
}
return ( track);
}
/* Recherche du debut du net
( les elements sont classes par net_code croissant )
la recherche se fait a partir de this
si net_code == -1 le netcode de this sera utilise
Retourne un pointeur sur le debut du net, ou NULL si net non trouve
*/
TRACK * TRACK::GetStartNetCode(int NetCode )
{
TRACK * Track = this;
int ii = 0;
if( NetCode == -1 ) NetCode = m_NetCode;
while( Track != NULL)
{
if ( Track->m_NetCode > NetCode ) break;
if ( Track->m_NetCode == NetCode )
{
ii++; break;
}
Track = (TRACK*) Track->Pnext;
}
if ( ii ) return(Track);
else return (NULL);
}
/* Recherche de la fin du net
Retourne un pointeur sur la fin du net, ou NULL si net non trouve
*/
TRACK * TRACK::GetEndNetCode(int NetCode)
{
TRACK * NextS, * Track = this;
int ii = 0;
if( Track == NULL ) return(NULL);
if( NetCode == -1 ) NetCode = m_NetCode;
while( Track != NULL)
{
NextS = (TRACK*)Track->Pnext;
if(Track->m_NetCode == NetCode) ii++;
if ( NextS == NULL ) break;
if ( NextS->m_NetCode > NetCode) break;
Track = NextS;
}
if ( ii ) return(Track);
else return (NULL);
}
/**********************************/
TRACK * TRACK:: Copy( int NbSegm )
/**********************************/
/* Copie d'un Element ou d'une chaine de n elements
Retourne un pointeur sur le nouvel element ou le debut de la
nouvelle chaine
*/
{
TRACK * NewTrack, * FirstTrack, *OldTrack, * Source = this;
int ii;
FirstTrack = NewTrack = new TRACK(*Source);
for( ii = 1; ii < NbSegm; ii++ )
{
Source = Source->Next();
if( Source == NULL ) break;
OldTrack = NewTrack;
NewTrack = new TRACK(*Source);
NewTrack->Insert(NULL, OldTrack);
}
return (FirstTrack);
}
/********************************************/
bool TRACK::WriteTrackDescr(FILE * File)
/********************************************/
{
int type;
type = 0;
if( m_StructType == TYPEVIA ) type = 1;
if( GetState(DELETED) ) return FALSE;
fprintf( File,"Po %d %d %d %d %d %d %d\n",m_Shape,
m_Start.x, m_Start.y, m_End.x, m_End.y, m_Width, m_Drill);
fprintf( File,"De %d %d %d %lX %X\n",
m_Layer, type ,m_NetCode,
m_TimeStamp, ReturnStatus());
return TRUE;
}
/**********************************************************************/
void TRACK::Draw(WinEDA_DrawPanel * panel, wxDC * DC, int draw_mode)
/*********************************************************************/
/* routine de trace de 1 segment de piste.
Parametres :
draw_mode = mode ( GR_XOR, GR_OR..)
*/
{
int l_piste;
int color;
int zoom;
int rayon;
int curr_layer = ((PCB_SCREEN*)panel->GetScreen())->m_Active_Layer;
if(m_StructType == TYPEZONE && (! DisplayOpt.DisplayZones) )
return;
GRSetDrawMode(DC, draw_mode);
if ( m_StructType == TYPEVIA ) /* VIA rencontree */
color = g_DesignSettings.m_ViaColor[m_Shape];
else color = g_DesignSettings.m_LayerColor[m_Layer];
if( (color & (ITEM_NOT_SHOW | HIGHT_LIGHT_FLAG)) == ITEM_NOT_SHOW) return ;
if ( DisplayOpt.ContrastModeDisplay )
{
if ( m_StructType == TYPEVIA )
{
if ( ! ((SEGVIA*)this)->IsViaOnLayer(curr_layer) )
{
color &= ~MASKCOLOR;
color |= DARKDARKGRAY;
}
}
else if ( m_Layer != curr_layer)
{
color &= ~MASKCOLOR;
color |= DARKDARKGRAY;
}
}
if( draw_mode & GR_SURBRILL)
{
if( draw_mode & GR_AND) color &= ~HIGHT_LIGHT_FLAG;
else color |= HIGHT_LIGHT_FLAG;
}
if ( color & HIGHT_LIGHT_FLAG)
color = ColorRefs[color & MASKCOLOR].m_LightColor;
zoom = panel->GetZoom();
l_piste = m_Width >> 1;
if ( m_StructType == TYPEVIA ) /* VIA rencontree */
{
rayon = l_piste; if( rayon < zoom ) rayon = zoom;
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon, color) ;
if ( rayon > (4*zoom) )
{
int drill_rayon, inner_rayon = rayon-(2*zoom);
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
inner_rayon, color);
// Draw the via hole if the display option request it
if ( DisplayOpt.m_DisplayViaMode != VIA_HOLE_NOT_SHOW)
{
if ( (DisplayOpt.m_DisplayViaMode == ALL_VIA_HOLE_SHOW)
|| ( m_Drill > 0 ) )
{
if ( m_Drill > 0 ) drill_rayon = m_Drill / 2;
else drill_rayon = g_DesignSettings.m_ViaDrill / 2;
if( drill_rayon < inner_rayon ) // We can show the via hole
{
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
drill_rayon , color);
}
}
}
if(DisplayOpt.DisplayTrackIsol)
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
rayon + g_DesignSettings.m_TrackClearence, color);
}
return;
}
if(m_Shape == S_CIRCLE)
{
rayon = (int)hypot((double)(m_End.x - m_Start.x),
(double)(m_End.y - m_Start.y) );
if ( (l_piste/zoom) < L_MIN_DESSIN)
{
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon , color) ;
}
else
{
if(l_piste <= zoom) /* trace simplifie si l_piste/zoom <= 1 */
{
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon, color);
}
else if( ( ! DisplayOpt.DisplayPcbTrackFill) || GetState(FORCE_SKETCH))
{
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon-l_piste, color);
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon+l_piste, color);
}
else
{
GRCircle(&panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon,
m_Width, color);
}
}
return;
}
if ( (l_piste/zoom) < L_MIN_DESSIN)
{
GRLine(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
m_End.x, m_End.y, 0, color);
return;
}
if( (! DisplayOpt.DisplayPcbTrackFill) || GetState(FORCE_SKETCH) )
{
GRCSegm(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
m_End.x, m_End.y, m_Width, color) ;
}
else
{
GRFillCSegm(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
m_End.x, m_End.y, m_Width, color) ;
}
/* Trace de l'isolation (pour segments type CUIVRE et TRACK uniquement */
if( (DisplayOpt.DisplayTrackIsol) && (m_Layer <= CMP_N )
&& ( m_StructType == TYPETRACK) )
{
GRCSegm(&panel->m_ClipBox, DC, m_Start.x, m_Start.y,
m_End.x, m_End.y,
m_Width + (g_DesignSettings.m_TrackClearence*2), color) ;
}
}