kicad/pcbnew/class_board.cpp

246 lines
6.4 KiB
C++

/*******************************************/
/* class_board.cpp - BOARD class functions */
/*******************************************/
#include "fctsys.h"
#include "common.h"
#include "pcbnew.h"
#include "bitmaps.h"
/*****************/
/* Class BOARD: */
/*****************/
/* Constructor */
BOARD::BOARD(EDA_BaseStruct * parent, WinEDA_BasePcbFrame * frame):
EDA_BaseStruct(parent, TYPEPCB)
{
m_PcbFrame = frame;
m_Status_Pcb = 0; // Mot d'etat: Bit 1 = Chevelu calcule
m_NbNets = 0; // Nombre de nets (equipotentielles)
m_BoardSettings = &g_DesignSettings;
m_NbPads = 0; // nombre total de pads
m_NbNodes = 0; // nombre de pads connectes
m_NbLinks = 0; // nombre de chevelus (donc aussi nombre
// minimal de pistes a tracer
m_NbSegmTrack = 0; // nombre d'elements de type segments de piste
m_NbSegmZone = 0; // nombre d'elements de type segments de zone
m_NbNoconnect=0; // nombre de chevelus actifs
m_NbLoclinks = 0; // nb ratsnest local
m_Drawings = NULL; // pointeur sur liste drawings
m_Modules = NULL; // pointeur sur liste zone modules
m_Equipots = NULL; // pointeur liste zone equipot
m_Track = NULL; // pointeur relatif zone piste
m_Zone = NULL; // pointeur tableau zone zones de cuivre
m_Pads = NULL; // pointeur liste d'acces aux pads
m_Ratsnest = NULL; // pointeur liste rats
m_LocalRatsnest = NULL; // pointeur liste rats local
m_CurrentLimitZone = NULL; // pointeur liste des EDEGE_ZONES
// de determination des contours de zone
}
/***************/
/* Destructeur */
/***************/
BOARD::~BOARD(void)
{
}
void BOARD::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" */
{
// Pback-> = Pnext;
}
}
/* Modification du chainage avant */
if( Pnext) Pnext->Pback = Pback;
Pnext = Pback = NULL;
}
/* Routines de calcul des nombres de segments pistes et zones */
int BOARD::GetNumSegmTrack(void)
{
TRACK * CurTrack = m_Track;
int ii = 0;
for ( ;CurTrack != NULL; CurTrack = (TRACK*)CurTrack->Pnext ) ii++;
m_NbSegmTrack = ii;
return(ii);
}
int BOARD::GetNumSegmZone(void)
{
TRACK * CurTrack = m_Zone;
int ii = 0;
for ( ;CurTrack != NULL; CurTrack = (TRACK*)CurTrack->Pnext ) ii++;
m_NbSegmZone = ii;
return(ii);
}
// retourne le nombre de connexions manquantes
int BOARD::GetNumNoconnect(void)
{
return(m_NbNoconnect);
}
// retourne le nombre de chevelus
int BOARD::GetNumRatsnests(void)
{
return(m_NbLinks);
}
// retourne le nombre de pads a netcode > 0
int BOARD::GetNumNodes(void)
{
return(m_NbNodes);
}
/***********************************/
bool BOARD::ComputeBoundaryBox(void)
/***********************************/
/* Determine le rectangle d'encadrement du pcb
Ce rectangle englobe les contours pcb, pads , vias et piste
Sortie:
m_PcbBox
retourne:
0 si aucun element utile
1 sinon
*/
{
int rayon, cx, cy, d, xmin, ymin, xmax, ymax;
bool Has_Items = FALSE;
EDA_BaseStruct * PtStruct;
DRAWSEGMENT* ptr;
TRACK * Track;
xmin = ymin = 0x7FFFFFFFl ;
xmax = ymax = -0x7FFFFFFFl ;
/* Analyse des Contours PCB */
PtStruct = m_Drawings;
for( ; PtStruct != NULL; PtStruct = PtStruct->Pnext )
{
if( PtStruct->m_StructType != TYPEDRAWSEGMENT ) continue;
ptr = (DRAWSEGMENT*) PtStruct;
d = (ptr->m_Width /2) + 1;
if(ptr->m_Shape == S_CIRCLE)
{
cx = ptr->m_Start.x; cy = ptr->m_Start.y;
rayon = (int)hypot((double)(ptr->m_End.x-cx),(double)(ptr->m_End.y-cy) );
rayon += d;
xmin = min(xmin,cx-rayon);
ymin = min(ymin,cy-rayon);
xmax = max(xmax,cx+rayon);
ymax = max(ymax,cy+rayon);
Has_Items = TRUE;
}
else
{
cx = min(ptr->m_Start.x, ptr->m_End.x );
cy = min(ptr->m_Start.y, ptr->m_End.y);
xmin = min(xmin,cx - d);
ymin = min(ymin,cy - d);
cx = max(ptr->m_Start.x, ptr->m_End.x );
cy = max(ptr->m_Start.y, ptr->m_End.y);
xmax = max(xmax,cx + d);
ymax = max(ymax,cy + d);
Has_Items = TRUE;
}
}
/* Analyse des Modules */
MODULE * module = m_Modules;
for( ; module != NULL; module = (MODULE *) module->Pnext )
{
Has_Items = TRUE;
xmin = min(xmin,(module->m_Pos.x + module->m_BoundaryBox.GetX()));
ymin = min(ymin,(module->m_Pos.y + module->m_BoundaryBox.GetY()));
xmax = max(xmax,module->m_Pos.x + module->m_BoundaryBox.GetRight());
ymax = max(ymax,module->m_Pos.y + module->m_BoundaryBox.GetBottom());
D_PAD * pt_pad = module->m_Pads;
for ( ;pt_pad != NULL; pt_pad = (D_PAD*) pt_pad->Pnext )
{
d = pt_pad->m_Rayon;
xmin = min(xmin,pt_pad->m_Pos.x - d);
ymin = min(ymin,pt_pad->m_Pos.y - d);
xmax = max(xmax,pt_pad->m_Pos.x + d);
ymax = max(ymax,pt_pad->m_Pos.y + d);
}
}
/* Analyse des segments de piste et zone*/
for( Track = m_Track; Track != NULL; Track = (TRACK*) Track->Pnext)
{
d = (Track->m_Width /2) + 1;
cx = min(Track->m_Start.x, Track->m_End.x );
cy = min(Track->m_Start.y, Track->m_End.y);
xmin = min(xmin,cx - d);
ymin = min(ymin,cy - d);
cx = max(Track->m_Start.x, Track->m_End.x );
cy = max(Track->m_Start.y, Track->m_End.y);
xmax = max(xmax,cx + d);
ymax = max(ymax,cy + d);
Has_Items = TRUE;
}
for( Track = m_Zone; Track != NULL; Track = (TRACK*) Track->Pnext)
{
d = (Track->m_Width /2) + 1;
cx = min(Track->m_Start.x, Track->m_End.x );
cy = min(Track->m_Start.y, Track->m_End.y);
xmin = min(xmin,cx - d);
ymin = min(ymin,cy - d);
cx = max(Track->m_Start.x, Track->m_End.x );
cy = max(Track->m_Start.y, Track->m_End.y);
xmax = max(xmax,cx + d);
ymax = max(ymax,cy + d);
Has_Items = TRUE;
}
if ( ! Has_Items && m_PcbFrame )
{
if ( m_PcbFrame->m_Draw_Sheet_Ref )
{
xmin = ymin = 0;
xmax = m_PcbFrame->m_CurrentScreen->ReturnPageSize().x;
ymax = m_PcbFrame->m_CurrentScreen->ReturnPageSize().y;
}
else
{
xmin = - m_PcbFrame->m_CurrentScreen->ReturnPageSize().x/2;
ymin = - m_PcbFrame->m_CurrentScreen->ReturnPageSize().y/2;
xmax = m_PcbFrame->m_CurrentScreen->ReturnPageSize().x/2;
ymax = m_PcbFrame->m_CurrentScreen->ReturnPageSize().y/2;
}
}
m_BoundaryBox.SetX(xmin);
m_BoundaryBox.SetY(ymin);
m_BoundaryBox.SetWidth(xmax - xmin);
m_BoundaryBox.SetHeight(ymax - ymin);
return(Has_Items);
}