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kicad/pcbnew/zone_filling_algorithm.cpp

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/* filling_zone_algorithm:
* Algos used to fill a zone defined by a polygon and a filling starting point
*/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "pcbnew.h"
#include "autorout.h"
#include "cell.h"
#include "trigo.h"
#include "protos.h"
/* Local functions */
static void Genere_Segments_Zone( WinEDA_PcbFrame* frame, wxDC* DC, int net_code, int layer );
/* Local variables */
static bool Zone_Debug = false;
static unsigned long s_TimeStamp; /* Time stamp common to all segments relative to the new created zone */
/*****************************************************************************/
int ZONE_CONTAINER::Fill_Zone( WinEDA_PcbFrame* frame, wxDC* DC, bool verbose )
/*****************************************************************************/
/** Function Fill_Zone()
* Calculate the zone filling
* The zone outline is a frontier, and can be complex (with holes)
* The filling starts from starting points like pads, tracks.
* @param frame = reference to the main frame
* @param DC = current Device Context (can be NULL)
* @param verbose = true to show error messages
* @return error level (0 = no error)
*/
{
int ii, jj;
int error_level = 0;
int lp_tmp, lay_tmp_TOP, lay_tmp_BOTTOM;
int save_isol = g_DesignSettings.m_TrackClearence;
wxPoint ZoneStartFill;
wxString msg;
BOARD* Pcb = frame->m_Pcb;
// Set the g_DesignSettings.m_TrackClearence (used to fill board map) to the max of m_TrackClearence and m_ZoneClearence
g_DesignSettings.m_TrackClearence = max ( g_DesignSettings.m_TrackClearence, g_DesignSettings.m_ZoneClearence);
// In order to avoid ends of segments used to fill the zone, and to the clearence the radius of ends
// which is g_GridRoutingSize/2
g_DesignSettings.m_TrackClearence += g_GridRoutingSize/2;
g_HightLigth_NetCode = m_NetCode;
s_TimeStamp = m_TimeStamp;
// Delete the old filling, if any :
frame->Delete_Zone_Fill( DC, NULL, m_TimeStamp );
// calculate the fixed step of the routing matrix as 25 mils or more
E_scale = g_GridRoutingSize / 25;
if( g_GridRoutingSize < 1 )
g_GridRoutingSize = 1;
// calculate the Ncols and Nrows, size of the routing matrix
ComputeMatriceSize( frame, g_GridRoutingSize );
// create the routing matrix in autorout.h's eda_global BOARDHEAD Board
Nb_Sides = ONE_SIDE;
if( Board.InitBoard() < 0 )
{
if( verbose )
DisplayError( frame, wxT( "Mo memory for creating zones" ) );
error_level = 1;
return error_level;
}
msg.Printf( wxT( "%d" ), Ncols );
Affiche_1_Parametre( frame, 1, wxT( "Cols" ), msg, GREEN );
msg.Printf( wxT( "%d" ), Nrows );
Affiche_1_Parametre( frame, 7, wxT( "Lines" ), msg, GREEN );
msg.Printf( wxT( "%d" ), Board.m_MemSize / 1024 );
Affiche_1_Parametre( frame, 14, wxT( "Mem(Ko)" ), msg, CYAN );
lay_tmp_BOTTOM = Route_Layer_BOTTOM;
lay_tmp_TOP = Route_Layer_TOP;
Route_Layer_BOTTOM = Route_Layer_TOP = m_Layer;
lp_tmp = g_DesignSettings.m_CurrentTrackWidth;
g_DesignSettings.m_CurrentTrackWidth = g_GridRoutingSize;
// trace the pcb edges (pcb contour) into the routing matrix
Route_Layer_BOTTOM = Route_Layer_TOP = EDGE_N;
PlaceCells( Pcb, -1, 0 );
Route_Layer_BOTTOM = Route_Layer_TOP = m_Layer;
/* Create the starting point for the zone:
* The starting point and all the tracks are suitable "starting points" */
TRACK* pt_segm = Pcb->m_Track;
for( ; pt_segm != NULL; pt_segm = pt_segm->Next() )
{
if( g_HightLigth_NetCode != pt_segm->GetNet() )
continue;
if( ! pt_segm->IsOnLayer( m_Layer ) )
continue;
// if( pt_segm->Type() != TYPETRACK )
// continue;
TraceSegmentPcb( Pcb, pt_segm, CELL_is_FRIEND, 0, WRITE_CELL );
}
// trace the zone edges into the routing matrix
int i_start_contour = 0;
for( unsigned ic = 0; ic < m_Poly->corner.size(); ic++ )
{
int xi = m_Poly->corner[ic].x - Pcb->m_BoundaryBox.m_Pos.x;
int yi = m_Poly->corner[ic].y - Pcb->m_BoundaryBox.m_Pos.y;
int xf, yf;
if( m_Poly->corner[ic].end_contour == FALSE && ic < m_Poly->corner.size() - 1 )
{
xf = m_Poly->corner[ic + 1].x - Pcb->m_BoundaryBox.m_Pos.x;
yf = m_Poly->corner[ic + 1].y - Pcb->m_BoundaryBox.m_Pos.y;
}
else
{
xf = m_Poly->corner[i_start_contour].x - Pcb->m_BoundaryBox.m_Pos.x;
yf = m_Poly->corner[i_start_contour].y - Pcb->m_BoundaryBox.m_Pos.y;
i_start_contour = ic + 1;
}
TraceLignePcb( xi, yi, xf, yf, -1, HOLE | CELL_is_EDGE, WRITE_CELL );
}
/* Create a starting point to create the zone filling, from pads */
LISTE_PAD* pad;
int cells_count = 0;
for( ii = 0, pad = frame->m_Pcb->m_Pads; ii < frame->m_Pcb->m_NbPads; ii++, pad++ )
{
if ( ! (*pad)->IsOnLayer( GetLayer() ) ) continue;
if ( (*pad)->GetNet() != GetNet() ) continue;
wxPoint pos = (*pad)->m_Pos;
if( m_Poly->TestPointInside( pos.x, pos.y ) )
{
pos -= Pcb->m_BoundaryBox.m_Pos;
ZoneStartFill.x = ( pos.x + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
ZoneStartFill.y = ( pos.y + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
BoardCell cell = GetCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM );
if ( (cell & CELL_is_EDGE) == 0 )
{
OrCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM, CELL_is_ZONE );
cells_count++;
}
}
}
/* Create a starting point to create the zone filling, from vias and tracks */
TRACK* track;
for( track = frame->m_Pcb->m_Track; track != NULL; track = track->Next() )
{
if ( ! track->IsOnLayer( GetLayer() ) ) continue;
if ( track->GetNet() != GetNet() ) continue;
wxPoint pos = track->m_Start;
if( m_Poly->TestPointInside( pos.x, pos.y ) )
{
pos -= Pcb->m_BoundaryBox.m_Pos;
ZoneStartFill.x = ( pos.x + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
ZoneStartFill.y = ( pos.y + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
BoardCell cell = GetCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM );
if ( (cell & CELL_is_EDGE) == 0 )
{
OrCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM, CELL_is_ZONE );
cells_count++;
}
}
pos = track->m_End;
if( m_Poly->TestPointInside( pos.x, pos.y ) )
{
pos -= Pcb->m_BoundaryBox.m_Pos;
ZoneStartFill.x = ( pos.x + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
ZoneStartFill.y = ( pos.y + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
BoardCell cell = GetCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM );
if ( (cell & CELL_is_EDGE) == 0 )
{
OrCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM, CELL_is_ZONE );
cells_count++;
}
}
}
if( cells_count == 0 )
{
if( verbose )
DisplayError( frame, _( "No pads or starting point found to fill this zone outline" ) );
error_level = 2;
goto end_of_zone_fill;
}
// mark the cells forming part of the zone
ii = 1; jj = 1;
while( ii )
{
msg.Printf( wxT( "%d" ), jj++ );
Affiche_1_Parametre( frame, 50, wxT( "Iter." ), msg, CYAN );
ii = Propagation( frame );
}
// selection of the suitable cells for the points of anchoring of the zone
for( ii = 0; ii < Nrows; ii++ )
{
for( jj = 0; jj < Ncols; jj++ )
{
long cell = GetCell( ii, jj, BOTTOM );
if( (cell & CELL_is_ZONE) )
{
if( (cell & CELL_is_FRIEND) == 0 )
AndCell( ii, jj, BOTTOM, (BoardCell) ~(CELL_is_FRIEND | CELL_is_ZONE) );
}
}
}
if( Zone_Debug && DC )
{
DisplayBoard( frame->DrawPanel, DC );
}
// now, all the cell candidates are marked
// place all the obstacles into the matrix, such as (pads, tracks, vias,
// pcb edges or segments)
ii = 0;
if( m_PadOption == PAD_NOT_IN_ZONE )
ii = FORCE_PADS;
Affiche_1_Parametre( frame, 42, wxT( "GenZone" ), wxEmptyString, RED );
PlaceCells( Pcb, g_HightLigth_NetCode, ii );
Affiche_1_Parametre( frame, -1, wxEmptyString, _( "Ok" ), RED );
/* Recreate zone limits on the routing matrix
* (could be deleted by PlaceCells()) : */
i_start_contour = 0;
for( unsigned ic = 0; ic < m_Poly->corner.size(); ic++ )
{
int xi = m_Poly->corner[ic].x - Pcb->m_BoundaryBox.m_Pos.x;
int yi = m_Poly->corner[ic].y - Pcb->m_BoundaryBox.m_Pos.y;
int xf, yf;
if( m_Poly->corner[ic].end_contour == FALSE && ic < m_Poly->corner.size() - 1 )
{
xf = m_Poly->corner[ic + 1].x - Pcb->m_BoundaryBox.m_Pos.x;
yf = m_Poly->corner[ic + 1].y - Pcb->m_BoundaryBox.m_Pos.y;
}
else
{
xf = m_Poly->corner[i_start_contour].x - Pcb->m_BoundaryBox.m_Pos.x;
yf = m_Poly->corner[i_start_contour].y - Pcb->m_BoundaryBox.m_Pos.y;
i_start_contour = ic + 1;
}
TraceLignePcb( xi, yi, xf, yf, -1, HOLE | CELL_is_EDGE, WRITE_CELL );
}
/* Init the starting point for zone filling : this is the mouse position
* (could be deleted by PlaceCells()) : */
for( ii = 0, pad = frame->m_Pcb->m_Pads; ii < frame->m_Pcb->m_NbPads; ii++, pad++ )
{
if ( ! (*pad)->IsOnLayer( GetLayer() ) ) continue;
if ( (*pad)->GetNet() != GetNet() ) continue;
wxPoint pos = (*pad)->m_Pos;
if( m_Poly->TestPointInside( pos.x, pos.y ) )
{
pos -= Pcb->m_BoundaryBox.m_Pos;
ZoneStartFill.x = ( pos.x + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
ZoneStartFill.y = ( pos.y + (g_GridRoutingSize / 2) ) / g_GridRoutingSize;
BoardCell cell = GetCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM );
if ( (cell & CELL_is_EDGE) == 0 )
OrCell( ZoneStartFill.y, ZoneStartFill.x, BOTTOM, CELL_is_ZONE );
}
}
/* Filling the cells of the matrix (this is the zone building)*/
ii = 1; jj = 1;
while( ii )
{
msg.Printf( wxT( "%d" ), jj++ );
Affiche_1_Parametre( frame, 50, wxT( "Iter." ), msg, CYAN );
ii = Propagation( frame );
}
if( Zone_Debug && DC )
{
DisplayBoard( frame->DrawPanel, DC );
}
// replace obstacles into the matrix(pads)
if( m_PadOption == THERMAL_PAD )
PlaceCells( Pcb, g_HightLigth_NetCode, FORCE_PADS );
if( Zone_Debug && DC )
DisplayBoard( frame->DrawPanel, DC );
/* Convert the matrix information (cells) to segments which are actually the zone */
if( g_HightLigth_NetCode < 0 )
Genere_Segments_Zone( frame, DC, 0, m_Layer );
else
Genere_Segments_Zone( frame, DC, g_HightLigth_NetCode, m_Layer );
/* Create the thermal reliefs */
g_DesignSettings.m_CurrentTrackWidth = lp_tmp;
if( m_PadOption == THERMAL_PAD )
frame->Genere_Pad_Connexion( DC, m_Layer );
end_of_zone_fill:
g_DesignSettings.m_TrackClearence = save_isol;
// free the memory
Board.UnInitBoard();
// restore original values unchanged
Route_Layer_TOP = lay_tmp_TOP;
Route_Layer_BOTTOM = lay_tmp_BOTTOM;
return error_level;
}
/*******************************************************************************************/
static void Genere_Segments_Zone( WinEDA_PcbFrame* frame, wxDC* DC, int net_code, int layer )
/*******************************************************************************************/
/** Function Genere_Segments_Zone()
* Create the zone segments from the routing matrix structure
* Algorithm:
* Search for consecutive cells (flagged "zone") , and create segments
* from the first cell to the last cell in the matrix
* 2 searchs are made
* 1 - From left to right and create horizontal zone segments
* 2 - From top to bottom, and create vertical zone segm<67>ents
* @param net_code = net_code common to all segment zone created
* @param DC = current device context ( can be NULL )
* @param frame = current WinEDA_PcbFrame
* global: parameter TimeStamp: time stamp common to all segment zone created
*/
{
int row, col;
long current_cell, old_cell;
int ux0 = 0, uy0 = 0, ux1 = 0, uy1 = 0;
int Xmin = frame->m_Pcb->m_BoundaryBox.m_Pos.x;
int Ymin = frame->m_Pcb->m_BoundaryBox.m_Pos.y;
SEGZONE* pt_track;
int nbsegm = 0;
wxString msg;
/* Create horizontal segments */
Affiche_1_Parametre( frame, 64, wxT( "Segm H" ), wxT( "0" ), BROWN );
for( row = 0; row < Nrows; row++ )
{
old_cell = 0;
uy0 = uy1 = (row * g_GridRoutingSize) + Ymin;
for( col = 0; col < Ncols; col++ )
{
current_cell = GetCell( row, col, BOTTOM ) & CELL_is_ZONE;
if( current_cell ) /* ce point doit faire partie d'un segment */
{
ux1 = (col * g_GridRoutingSize) + Xmin;
if( old_cell == 0 )
ux0 = ux1;
}
if( !current_cell || (col == Ncols - 1) ) /* peut etre fin d'un segment */
{
if( (old_cell) && (ux0 != ux1) )
{
/* un segment avait debute de longueur > 0 */
pt_track = new SEGZONE( frame->m_Pcb );
pt_track->SetLayer( layer );
pt_track->SetNet( net_code );
pt_track->m_Width = g_GridRoutingSize;
pt_track->m_Start.x = ux0;
pt_track->m_Start.y = uy0;
pt_track->m_End.x = ux1;
pt_track->m_End.y = uy1;
pt_track->m_TimeStamp = s_TimeStamp;
pt_track->Insert( frame->m_Pcb, NULL );
if ( DC )
pt_track->Draw( frame->DrawPanel, DC, GR_OR );
nbsegm++;
}
}
old_cell = current_cell;
}
msg.Printf( wxT( "%d" ), nbsegm );
Affiche_1_Parametre( frame, -1, wxEmptyString, msg, BROWN );
}
/* Create vertical segments */
Affiche_1_Parametre( frame, 72, wxT( "Segm V" ), wxT( "0" ), BROWN );
for( col = 0; col < Ncols; col++ )
{
old_cell = 0;
ux0 = ux1 = (col * g_GridRoutingSize) + Xmin;
for( row = 0; row < Nrows; row++ )
{
current_cell = GetCell( row, col, BOTTOM ) & CELL_is_ZONE;
if( current_cell ) /* ce point doit faire partie d'un segment */
{
uy1 = (row * g_GridRoutingSize) + Ymin;
if( old_cell == 0 )
uy0 = uy1;
}
if( !current_cell || (row == Nrows - 1) ) /* peut etre fin d'un segment */
{
if( (old_cell) && (uy0 != uy1) )
{
/* un segment avait debute de longueur > 0 */
pt_track = new SEGZONE( frame->m_Pcb );
pt_track->SetLayer( layer );
pt_track->m_Width = g_GridRoutingSize;
pt_track->SetNet( net_code );
pt_track->m_Start.x = ux0;
pt_track->m_Start.y = uy0;
pt_track->m_End.x = ux1;
pt_track->m_End.y = uy1;
pt_track->m_TimeStamp = s_TimeStamp;
pt_track->Insert( frame->m_Pcb, NULL );
if( DC )
pt_track->Draw( frame->DrawPanel, DC, GR_OR );
nbsegm++;
}
}
old_cell = current_cell;
}
msg.Printf( wxT( "%d" ), nbsegm );
Affiche_1_Parametre( frame, -1, wxEmptyString, msg, BROWN );
}
}
/********************************************/
int Propagation( WinEDA_PcbFrame* frame )
/********************************************/
/** Function Propagation()
* An important function to calculate zones
* Uses the routing matrix to fill the cells within the zone
* Search and mark cells within the zone, and agree with DRC options.
* Requirements:
* Start from an initial point, to fill zone
* The zone must have no "copper island"
* Algorithm:
* If the current cell has a neightbour flagged as "cell in the zone", it
* become a cell in the zone
* The first point in the zone is the starting point
* 4 searches within the matrix are made:
* 1 - Left to right and top to bottom
* 2 - Right to left and top to bottom
* 3 - bottom to top and Right to left
* 4 - bottom to top and Left to right
* Given the current cell, for each search, we consider the 2 neightbour cells
* the previous cell on the same line and the previous cell on the same column.
*
* This funtion can request some iterations
* Iterations are made until no cell is added to the zone.
* @return: added cells count (i.e. which the attribute CELL_is_ZONE is set)
*/
{
int row, col, nn;
long current_cell, old_cell_H;
int long* pt_cell_V;
int nbpoints = 0;
#define NO_CELL_ZONE (HOLE | CELL_is_EDGE | CELL_is_ZONE)
wxString msg;
Affiche_1_Parametre( frame, 57, wxT( "Detect" ), msg, CYAN );
Affiche_1_Parametre( frame, -1, wxEmptyString, wxT( "1" ), CYAN );
// Alloc memory to handle 1 line or 1 colunmn on the routing matrix
nn = MAX( Nrows, Ncols ) * sizeof(*pt_cell_V);
pt_cell_V = (long*) MyMalloc( nn );
/* search 1 : from left to right and top to bottom */
memset( pt_cell_V, 0, nn );
for( row = 0; row < Nrows; row++ )
{
old_cell_H = 0;
for( col = 0; col < Ncols; col++ )
{
current_cell = GetCell( row, col, BOTTOM ) & NO_CELL_ZONE;
if( current_cell == 0 ) /* a free cell is found */
{
if( (old_cell_H & CELL_is_ZONE)
|| (pt_cell_V[col] & CELL_is_ZONE) )
{
OrCell( row, col, BOTTOM, CELL_is_ZONE );
current_cell = CELL_is_ZONE;
nbpoints++;
}
}
pt_cell_V[col] = old_cell_H = current_cell;
}
}
/* search 2 : from right to left and top to bottom */
Affiche_1_Parametre( frame, -1, wxEmptyString, wxT( "2" ), CYAN );
memset( pt_cell_V, 0, nn );
for( row = 0; row < Nrows; row++ )
{
old_cell_H = 0;
for( col = Ncols - 1; col >= 0; col-- )
{
current_cell = GetCell( row, col, BOTTOM ) & NO_CELL_ZONE;
if( current_cell == 0 ) /* a free cell is found */
{
if( (old_cell_H & CELL_is_ZONE)
|| (pt_cell_V[col] & CELL_is_ZONE) )
{
OrCell( row, col, BOTTOM, CELL_is_ZONE );
current_cell = CELL_is_ZONE;
nbpoints++;
}
}
pt_cell_V[col] = old_cell_H = current_cell;
}
}
/* search 3 : from bottom to top and right to left balayage */
Affiche_1_Parametre( frame, -1, wxEmptyString, wxT( "3" ), CYAN );
memset( pt_cell_V, 0, nn );
for( col = Ncols - 1; col >= 0; col-- )
{
old_cell_H = 0;
for( row = Nrows - 1; row >= 0; row-- )
{
current_cell = GetCell( row, col, BOTTOM ) & NO_CELL_ZONE;
if( current_cell == 0 ) /* a free cell is found */
{
if( (old_cell_H & CELL_is_ZONE)
|| (pt_cell_V[row] & CELL_is_ZONE) )
{
OrCell( row, col, BOTTOM, CELL_is_ZONE );
current_cell = CELL_is_ZONE;
nbpoints++;
}
}
pt_cell_V[row] = old_cell_H = current_cell;
}
}
/* search 4 : from bottom to top and left to right */
Affiche_1_Parametre( frame, -1, wxEmptyString, wxT( "4" ), CYAN );
memset( pt_cell_V, 0, nn );
for( col = 0; col < Ncols; col++ )
{
old_cell_H = 0;
for( row = Nrows - 1; row >= 0; row-- )
{
current_cell = GetCell( row, col, BOTTOM ) & NO_CELL_ZONE;
if( current_cell == 0 ) /* a free cell is found */
{
if( (old_cell_H & CELL_is_ZONE)
|| (pt_cell_V[row] & CELL_is_ZONE) )
{
OrCell( row, col, BOTTOM, CELL_is_ZONE );
current_cell = CELL_is_ZONE;
nbpoints++;
}
}
pt_cell_V[row] = old_cell_H = current_cell;
}
}
MyFree( pt_cell_V );
return nbpoints;
}
/*****************************************************************************/
bool WinEDA_PcbFrame::Genere_Pad_Connexion( wxDC* DC, int layer )
/*****************************************************************************/
/* Create the thermal relief for each pad in the zone:
* this is 4 small segments from the pad to the zone
*/
{
int ii, jj, Npads;
D_PAD* pt_pad;
LISTE_PAD* pt_liste_pad;
TRACK* pt_track, * loctrack;
int angle;
int cX, cY, dx, dy;
int sommet[4][2];
wxString msg;
if( m_Pcb->m_Zone == NULL )
return FALSE; /* error: no zone */
if( m_Pcb->m_Zone->m_TimeStamp != s_TimeStamp ) /* error: this is not the new zone */
return FALSE;
/* Count the pads, i.e. the thermal relief to create count, and displays it */
Affiche_1_Parametre( this, 50, wxT( "NPads" ), wxT( " " ), CYAN );
pt_liste_pad = (LISTE_PAD*) m_Pcb->m_Pads;
for( ii = 0, Npads = 0; ii < m_Pcb->m_NbPads; ii++, pt_liste_pad++ )
{
pt_pad = *pt_liste_pad;
/* Search pads relative to the selected net code */
if( pt_pad->GetNet() != g_HightLigth_NetCode )
continue;
/* Is the pad on the active layer ? */
if( (pt_pad->m_Masque_Layer & g_TabOneLayerMask[layer]) == 0 )
continue;
Npads++;
}
msg.Printf( wxT( "%d" ), Npads );
Affiche_1_Parametre( this, -1, wxEmptyString, msg, CYAN );
/* Create the thermal reliefs */
Affiche_1_Parametre( this, 57, wxT( "Pads" ), wxT( " " ), CYAN );
pt_liste_pad = (LISTE_PAD*) m_Pcb->m_Pads;
for( ii = 0, Npads = 0; ii < m_Pcb->m_NbPads; ii++, pt_liste_pad++ )
{
pt_pad = *pt_liste_pad;
/* Search pads relative to the selected net code */
if( pt_pad->GetNet() != g_HightLigth_NetCode )
continue;
/* Is the pad on the active layer ? */
if( (pt_pad->m_Masque_Layer & g_TabOneLayerMask[layer]) == 0 )
continue;
/* Create the theram relief for the current pad */
Npads++;
msg.Printf( wxT( "%d" ), Npads );
Affiche_1_Parametre( this, -1, wxEmptyString, msg, CYAN );
cX = pt_pad->GetPosition().x;
cY = pt_pad->GetPosition().y;
dx = pt_pad->m_Size.x / 2;
dy = pt_pad->m_Size.y / 2;
dx += g_DesignSettings.m_TrackClearence + g_GridRoutingSize;
dy += g_DesignSettings.m_TrackClearence + g_GridRoutingSize;
if( pt_pad->m_PadShape == PAD_TRAPEZOID )
{
dx += abs( pt_pad->m_DeltaSize.y ) / 2;
dy += abs( pt_pad->m_DeltaSize.x ) / 2;
}
/* calculate the 4 segment coordintes (starting from the pad centre cX,cY) */
sommet[0][0] = 0; sommet[0][1] = -dy;
sommet[1][0] = -dx; sommet[1][1] = 0;
sommet[2][0] = 0; sommet[2][1] = dy;
sommet[3][0] = dx; sommet[3][1] = 0;
angle = pt_pad->m_Orient;
for( jj = 0; jj < 4; jj++ )
{
RotatePoint( &sommet[jj][0], &sommet[jj][1], angle );
pt_track = new SEGZONE( m_Pcb );
pt_track->SetLayer( layer );
pt_track->m_Width = g_DesignSettings.m_CurrentTrackWidth;
pt_track->SetNet( g_HightLigth_NetCode );
pt_track->start = pt_pad;
pt_track->m_Start.x = cX; pt_track->m_Start.y = cY;
pt_track->m_End.x = cX + sommet[jj][0];
pt_track->m_End.y = cY + sommet[jj][1];
pt_track->m_TimeStamp = s_TimeStamp;
/* Test if the segment is allowed */
if( BAD_DRC==m_drc->DrcBlind( pt_track, m_Pcb->m_Track ) )
{
delete pt_track;
continue;
}
/* Search for a zone segment */
loctrack = Locate_Zone( m_Pcb->m_Zone, pt_track->m_End, layer );
if( (loctrack == NULL) || (loctrack->m_TimeStamp != s_TimeStamp) )
{
delete pt_track;
continue;
}
pt_track->Insert( m_Pcb, NULL );
if( DC )
pt_track->Draw( DrawPanel, DC, GR_OR );
}
}
return TRUE;
}
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