kicad/pcbnew/plotps.cpp

		/*************************************/
		/**** Pcbnew: Routine de trace PS ****/
		/*************************************/

#include "fctsys.h"
#include "gr_basic.h"

#include "common.h"
#include "plot_common.h"
#include "pcbnew.h"
#include "pcbplot.h"
#include "trigo.h"

#include "protos.h"

/* Routines Locales */
static void PrintDrillMark(BOARD * Pcb);
static Ki_PageDescr * SheetPS;

/* variables locales: */

#define DRILL_MARK 1

/****************************************************************************/
void WinEDA_BasePcbFrame::Genere_PS(const wxString & FullFileName, int Layer)
/****************************************************************************/
/* Genere un fichier POSTSCRIPT (*.ps) de trace du circuit, couche layer
	if layer < 0: all layers
*/
{
int modetrace, tracevia;
wxSize PcbSheetSize;
wxSize PaperSize;
wxSize BoardSize;
wxPoint BoardCenter;
bool Center = FALSE;
Ki_PageDescr * currentsheet = m_CurrentScreen->m_CurrentSheet;
double scale_format;		// Facteur correctif pour conversion forlat Ax->A4
double scale_x, scale_y;
int PlotMarge_in_mils = 0;

	MsgPanel->EraseMsgBox();

	dest = wxFopen(FullFileName, wxT("wt") );
	if (dest == NULL)
	{
		wxString msg = _("Unable to create file ") + FullFileName;
		DisplayError(this, msg); return ;
	}

	setlocale(LC_NUMERIC, "C");

	Affiche_1_Parametre(this, 0,_("File"),FullFileName,CYAN) ;

	if( g_PlotScaleOpt != 1 ) Center = TRUE;	// Echelle != 1 donc trace centree du PCB
	modetrace = Plot_Mode;
	scale_format = 1.0;
	/* Set default line width */
	if( g_PlotLine_Width < 1 ) g_PlotLine_Width = 1;
	// calcul en unites internes des dimensions des feuilles ( connues en 1/1000 pouce )
	PcbSheetSize.x = currentsheet->m_Size.x * U_PCB;
	PcbSheetSize.y = currentsheet->m_Size.y * U_PCB;
	if ( g_ForcePlotPS_On_A4 )
	{
		SheetPS = &g_Sheet_A4;
		PaperSize.x = g_Sheet_A4.m_Size.x * U_PCB;
		PaperSize.y = g_Sheet_A4.m_Size.y * U_PCB;
		scale_format = (float) PaperSize.x / PcbSheetSize.x;
	}
	else
	{
		SheetPS = currentsheet;
		PaperSize = PcbSheetSize;
	}

	// calcul de l'offset de trace:
	// calcul du cadrage horizontal du mode paysage( val algebr. plus grande = decalage a gauche )
	g_PlotOffset.x = PlotMarge_in_mils * 10;
	// cadrage vertical du mode paysage( val algebr. plus grande = decalage vers le haut )
	g_PlotOffset.y = PaperSize.y - (PlotMarge_in_mils*10);

	int BBox[4];
	BBox[0] = BBox[1] = PlotMarge_in_mils;
	BBox[2] = SheetPS->m_Size.x - PlotMarge_in_mils;
	BBox[3] = SheetPS->m_Size.y - PlotMarge_in_mils;
	scale_x = scale_y = 1.0;
	InitPlotParametresPS( g_PlotOffset, SheetPS, 1.0/m_InternalUnits, 1.0/m_InternalUnits);
	SetDefaultLineWidthPS(g_PlotLine_Width);
	PrintHeaderPS(dest, wxT("PCBNEW-PS"), FullFileName, BBox);

	if ( Plot_Sheet_Ref )
	{
		int tmp = g_PlotOrient; g_PlotOrient = 0;
		SetPlotScale( 1.0, 1.0);
		PlotWorkSheet( PLOT_FORMAT_POST, m_CurrentScreen);
		g_PlotOrient = tmp;
	}

	/* calcul des dimensions et centre du PCB */
	m_Pcb->ComputeBoundaryBox();
	BoardSize = m_Pcb->m_BoundaryBox.GetSize();
	BoardCenter = m_Pcb->m_BoundaryBox.Centre();

	scale_x = Scale_X; scale_y = Scale_Y;
	if( g_PlotScaleOpt == 0 )		// Optimum scale
		{
		float Xscale, Yscale;
		int noprint_size = 2 * PlotMarge_in_mils * U_PCB;
		if ( Plot_Sheet_Ref ) noprint_size += 500 * U_PCB;
		Xscale = (float) (PaperSize.x - noprint_size ) / BoardSize.x;
		Yscale = (float) (PaperSize.y - noprint_size ) / BoardSize.y;
		scale_x = scale_y = min( Xscale, Yscale);
		}

	BoardCenter.x = (int) (BoardCenter.x * scale_x);
	BoardCenter.y = (int) (BoardCenter.y * scale_y);

	/* Calcul du cadrage (echelle != 1 donc recadrage du trace) */
	if ( Center )
	{
		g_PlotOffset.x -= PaperSize.x/2 - BoardCenter.x + (PlotMarge_in_mils*10);
		g_PlotOffset.y = PaperSize.y/2 + BoardCenter.y;	// cadrage horizontal du mode paysage
	}

	if ( g_PlotOrient == PLOT_MIROIR )
	{
		if ( Center ) g_PlotOffset.y = - PaperSize.y/2 + BoardCenter.y;
		else g_PlotOffset.y = - PaperSize.y +
			(m_Pcb->m_BoundaryBox.GetBottom() + m_Pcb->m_BoundaryBox.GetY())
				+ (PlotMarge_in_mils*10) ;
	}

	InitPlotParametresPS( g_PlotOffset, SheetPS, scale_x, scale_y, g_PlotOrient);

	// If plot a negative board:
	// Draw a black rectangle (background for plot board in white )
	// and switch the current color to WHITE
	if( g_Plot_PS_Negative)
	{
		int Rectangle[10];	// Put here the board corners
		int margin = 500;	// Add a 0.1 inch margin around the board
		Rectangle[0] = m_Pcb->m_BoundaryBox.GetX() - margin;
		Rectangle[1] = m_Pcb->m_BoundaryBox.GetY() - margin;
		Rectangle[2] = m_Pcb->m_BoundaryBox.GetRight() + margin;
		Rectangle[3] = Rectangle[1];
		Rectangle[4] = Rectangle[2];
		Rectangle[5] = m_Pcb->m_BoundaryBox.GetBottom() + margin;
		Rectangle[6] = Rectangle[0];
		Rectangle[7] = Rectangle[5];
		Rectangle[8] = Rectangle[0];
		Rectangle[9] = Rectangle[1];
		SetColorMapPS(BLACK);
		PlotPolyPS( 5, Rectangle, TRUE);
		SetColorMapPS(WHITE);
	}
	
	switch(Layer)
		{
		case -1:
			Plot_Layer_PS(dest, g_TabOneLayerMask[Layer], 0, 1, modetrace);
			break;
		
		case CUIVRE_N :
		case LAYER_N_2 :
		case LAYER_N_3 :
		case LAYER_N_4 :
		case LAYER_N_5 :
		case LAYER_N_6 :
		case LAYER_N_7 :
		case LAYER_N_8 :
		case LAYER_N_9 :
		case LAYER_N_10 :
		case LAYER_N_11:
		case LAYER_N_12:
		case LAYER_N_13 :
		case LAYER_N_14 :
		case LAYER_N_15 :
		case CMP_N  :
			Plot_Layer_PS(dest, g_TabOneLayerMask[Layer], 0, 1, modetrace);
			break;

		case SILKSCREEN_N_CU :
		case SILKSCREEN_N_CMP :
			Plot_Serigraphie(PLOT_FORMAT_POST, dest, g_TabOneLayerMask[Layer]);
			break;

		case SOLDERMASK_N_CU :
		case SOLDERMASK_N_CMP :  /* Trace du vernis epargne */
			if (g_DrawViaOnMaskLayer) tracevia = 1;
			else tracevia = 0;
			Plot_Layer_PS(dest, g_TabOneLayerMask[Layer], g_DesignSettings.m_MaskMargin,
						tracevia, modetrace);
			break;

		case SOLDERPASTE_N_CU :
		case SOLDERPASTE_N_CMP :  /* Trace du masque de pate de soudure */
			Plot_Layer_PS(dest, g_TabOneLayerMask[Layer], 0, 0, modetrace);
			break;

		default:
			Plot_Serigraphie(PLOT_FORMAT_POST,dest, g_TabOneLayerMask[Layer]);
			break;
	}
	/* fin */
	CloseFilePS(dest) ;
	setlocale(LC_NUMERIC, "");
}


/********************************************************************/
void WinEDA_BasePcbFrame::Plot_Layer_PS(FILE * File,int masque_layer,
						int garde, int tracevia, int modetrace)
/********************************************************************/
/* Trace en format POSTSCRIPT d'une couche cuivre ou masque */
{
wxPoint pos, end;
wxSize size;
MODULE * Module;
D_PAD * PtPad;
TRACK * pts ;
EDA_BaseStruct * PtStruct;
wxString msg;
	
	masque_layer |= EDGE_LAYER; /* Les elements de la couche EDGE sont tj traces */

	/* trace des elements type Drawings Pcb : */
	PtStruct = m_Pcb->m_Drawings;
	for( ; PtStruct != NULL; PtStruct = PtStruct->Pnext )
		{
		switch( PtStruct->m_StructType )
			{
			case TYPEDRAWSEGMENT:
				PlotDrawSegment( (DRAWSEGMENT*) PtStruct, PLOT_FORMAT_POST,
												masque_layer);
				break;

			case TYPETEXTE:
				PlotTextePcb((TEXTE_PCB*) PtStruct,PLOT_FORMAT_POST,
												masque_layer);
				break;

			case TYPECOTATION:
				PlotCotation((COTATION*) PtStruct, PLOT_FORMAT_POST,
												masque_layer);
				break;

			case TYPEMIRE:
				PlotMirePcb((MIREPCB*) PtStruct, PLOT_FORMAT_POST,
												masque_layer);
				break;

			case TYPEMARQUEUR:
				break;

			default:
				DisplayError(this, wxT("WinEDA_BasePcbFrame::Plot_Layer_PS() : Unexpected Draw Type"));
				break;
			}
		}

	/* Trace des Elements des modules autres que pads */
	nb_items = 0 ;
	Affiche_1_Parametre(this, 48,wxT("DrawMod"),wxEmptyString,GREEN) ;
	Module = m_Pcb->m_Modules;
	for( ; Module != NULL ;Module = (MODULE *)Module->Pnext )
		{
		 PtStruct = Module->m_Drawings;
		 for( ; PtStruct != NULL; PtStruct = PtStruct->Pnext )
			 {
			switch( PtStruct->m_StructType )
				 {
				 case TYPEEDGEMODULE:
					if( masque_layer &
							g_TabOneLayerMask[((EDGE_MODULE*)PtStruct)->m_Layer] )
						Plot_1_EdgeModule(PLOT_FORMAT_POST, (EDGE_MODULE*) PtStruct);
					break;

				default: break;
				}
			}
		}

	/* Trace des Elements des modules : Pastilles */
	nb_items = 0 ;
	Affiche_1_Parametre(this,48,wxT("Pads   "),wxEmptyString,GREEN) ;
	Module = m_Pcb->m_Modules;
	for( ; Module != NULL ;Module = (MODULE *)Module->Pnext )
		{
		PtPad = (D_PAD*) Module->m_Pads;
        for ( ; PtPad != NULL ; PtPad = (D_PAD*)PtPad->Pnext )
			{
			if( (PtPad->m_Masque_Layer & masque_layer) == 0)
							continue ;
            wxPoint shape_pos = PtPad->ReturnShapePos();
			pos = shape_pos;

			size.x = PtPad->m_Size.x + (garde * 2) ;
			size.y = PtPad->m_Size.y + (garde * 2) ;

			nb_items++ ;

			switch (PtPad->m_PadShape)
				{
				case CIRCLE :
					trace_1_pastille_RONDE_POST(pos,size.x, modetrace) ;
					break ;

				case OVALE :
					{
					trace_1_pastille_OVALE_POST(pos,size, PtPad->m_Orient, modetrace);
					break ;
					}

				case TRAPEZE :
					{
					wxSize delta;
					delta = PtPad->m_DeltaSize;
					trace_1_pad_TRAPEZE_POST(pos,size,delta,
									PtPad->m_Orient, modetrace) ;
					break ;
					}

				case RECT:
				default:
					trace_1_pad_rectangulaire_POST(pos,size, PtPad->m_Orient, modetrace) ;
					break ;
				}
			msg.Printf( wxT("%d"),nb_items) ;
			Affiche_1_Parametre(this, 48, wxT("Pads"),msg,GREEN) ;
			}
		}
	/* trace des VIAS : */
	if(tracevia)
	{
		nb_items = 0 ;
		Affiche_1_Parametre(this, 56,_("Vias"),wxEmptyString,RED) ;
		for( pts = m_Pcb->m_Track;pts != NULL; pts = pts->Next())
		{
			if( pts->m_StructType != TYPEVIA ) continue;
			SEGVIA * Via = (SEGVIA *) pts;
			/* vias not plotted if not on selected layer, but if layer
			== SOLDERMASK_LAYER_CU or SOLDERMASK_LAYER_CMP, vias are drawn ,
			if they are on a external copper layer
			*/
			int via_mask_layer = Via->ReturnMaskLayer();
			if ( (via_mask_layer & CUIVRE_LAYER ) ) via_mask_layer |= SOLDERMASK_LAYER_CU;
			if ( (via_mask_layer & CMP_LAYER ) ) via_mask_layer |= SOLDERMASK_LAYER_CMP;
			if( (via_mask_layer & masque_layer) == 0 ) continue;

			pos = Via->m_Start;
			size.x = size.y = Via->m_Width + (garde*2);
			trace_1_pastille_RONDE_POST(pos,size.x, modetrace) ;
			nb_items++ ; msg.Printf( wxT("%d"),nb_items) ;
			Affiche_1_Parametre(this, 56,wxEmptyString,msg,RED) ;
		}
	}
	/* trace des pistes et zones: */
	nb_items = 0 ;
	Affiche_1_Parametre(this, 64,_("Tracks"),wxEmptyString,YELLOW) ;

	for( pts = m_Pcb->m_Track; pts != NULL; pts = (TRACK*) pts->Pnext)
	{
		if ( pts->m_StructType == TYPEVIA ) continue ;

		if( (g_TabOneLayerMask[pts->m_Layer] & masque_layer) == 0 ) continue;
		size.x = size.y = pts->m_Width;
		pos = pts->m_Start; end = pts->m_End;

		PlotFilledSegmentPS(pos,end, size.x);

		nb_items++ ; msg.Printf( wxT("%d"),nb_items) ;
		Affiche_1_Parametre(this, 64,wxEmptyString,msg,YELLOW) ;
	}

	nb_items = 0 ;
	Affiche_1_Parametre(this, 64, wxT("Zones  "),wxEmptyString,YELLOW) ;

	for( pts = m_Pcb->m_Zone; pts != NULL; pts = (TRACK*) pts->Pnext)
	{
		if( (g_TabOneLayerMask[pts->m_Layer] & masque_layer) == 0 ) continue;
		size.x = size.y = pts->m_Width;
		pos = pts->m_Start; end = pts->m_End;
		PlotFilledSegmentPS(pos,end, size.x);
		nb_items++ ; msg.Printf( wxT("%d"),nb_items) ;
		Affiche_1_Parametre(this, 64,wxEmptyString,msg,YELLOW) ;
	}

	/* Trace des trous de percage */
	if( modetrace == FILLED )
		{
		PrintDrillMark(m_Pcb);
		}
}


/*************************************/
static void PrintDrillMark(BOARD * Pcb)
/*************************************/
/* Draw a drill mark for pads and vias.
	Must be called after all drawings, because it redraw the drill mark
	on a pad or via
*/
{
#define SMALL_DRILL 150
wxPoint pos;
wxSize diam;
MODULE * Module;
D_PAD * PtPad;
TRACK * pts ;

	if (g_DrillShapeOpt == 0 ) return;

	if ( g_Plot_PS_Negative ) fprintf(dest," 0 setgray\n");
	else fprintf(dest," 1 setgray\n");

	diam.x = diam.y = (g_DrillShapeOpt == DRILL_MARK) ? SMALL_DRILL :
			g_DesignSettings.m_ViaDrill;

	for( pts = Pcb->m_Track;pts != NULL; pts = (TRACK*)pts->Pnext)
	{
		if( pts->m_StructType != TYPEVIA ) continue;
		pos = pts->m_Start;
		if (g_DrillShapeOpt == DRILL_MARK) diam.x = diam.y = SMALL_DRILL;
		else
		{
			if (pts->m_Drill < 0)
				diam.x = diam.y = g_DesignSettings.m_ViaDrill;
			else
				diam.x = diam.y = pts->m_Drill;
		}
		trace_1_pastille_RONDE_POST(pos,diam.x, FILLED);
	}

	Module = Pcb->m_Modules;
	for( ; Module != NULL; Module = (MODULE *)Module->Pnext )
	{
		PtPad = (D_PAD*) Module->m_Pads;
		for ( ; PtPad != NULL ; PtPad = (D_PAD*)PtPad->Pnext )
		{
			if( PtPad->m_Drill.x == 0 ) continue;

			/* calcul de la position des trous, selon echelle */
			pos = PtPad->m_Pos;
			diam.x = diam.y = (g_DrillShapeOpt == DRILL_MARK) ? SMALL_DRILL :
					PtPad->m_Drill.x;
			trace_1_pastille_RONDE_POST(pos, diam.x, FILLED);
		}
	}

	fprintf(dest," 0 setgray\n");
}

/***********************************************************************************/
void trace_1_pastille_OVALE_POST(wxPoint pos, wxSize size, int orient, int modetrace)
/************************************************************************************/
/* Trace 1 pastille OVALE en position pos_X,Y:
		dimensions dx,dy,
		orientation orient
	La forme est tracee comme un segment
*/
{
int x0, y0, x1, y1, delta;
int w, rayon;

	/* la pastille est ramenee a une pastille ovale avec dy > dx */
	if(size.x > size.y )
		{
		EXCHG(size.x,size.y); orient += 900;
		if ( orient >= 3600 ) orient -= 3600;
		}

	delta = size.y - size.x;
	x0 = 0; y0 = -delta / 2;
	x1 = 0; y1 = delta / 2;
	RotatePoint(&x0,&y0, orient);
	RotatePoint(&x1,&y1, orient);

	if( modetrace == FILLED )
	{
		PlotFilledSegmentPS(wxPoint(pos.x + x0, pos.y + y0),
							wxPoint(pos.x + x1, pos.y + y1), size.x);
	}
	else
	{
		w = g_PlotLine_Width;
		rayon = (size.x - w) / 2;
		if(rayon < 1 ) rayon = 1 ;
		if ( rayon < w ) w = rayon;
		PlotArcPS( wxPoint(pos.x + x1,pos.y + y1), -orient, -orient + 1800, rayon, w);
		PlotArcPS( wxPoint(pos.x + x0,pos.y + y0), -orient + 1800, -orient ,rayon, w);

		x0 = -rayon; y0 = -delta / 2;
		x1 = -rayon; y1 = delta / 2;
		RotatePoint(&x0, &y0, orient);
		RotatePoint(&x1, &y1, orient);
		PlotFilledSegmentPS( wxPoint(pos.x+x0, pos.y+y0) ,
					wxPoint(pos.x+x1, pos.y+y1), w);

		x0 = rayon; y0 = -delta / 2;
		x1 = rayon; y1 = delta / 2;
		RotatePoint(&x0, &y0, orient);
		RotatePoint(&x1, &y1, orient);
		PlotFilledSegmentPS( wxPoint(pos.x+x0, pos.y+y0),
					wxPoint(pos.x+x1, pos.y+y1), w);
	}
}


/*******************************************************************************/
void trace_1_pastille_RONDE_POST(wxPoint centre, int diametre, int modetrace)
/*******************************************************************************/
/* Trace 1 pastille RONDE (via,pad rond) en position pos_X,Y */
{
int rayon, w;
wxSize diam(diametre, diametre);

	UserToDeviceCoordinate(centre);
	UserToDeviceSize(diam);

	if( modetrace == FILLED )
		{
		fprintf(dest,"%d setlinewidth\n", g_PlotLine_Width);
		rayon = (diam.x) / 2;
		if(rayon < 1 ) rayon = 1 ;
		fprintf(dest,"newpath %d %d %d 0 360 arc fill stroke\n",
											 centre.x, centre.y, rayon);
		}

	else
		{
		w = g_PlotLine_Width;
		rayon = (diam.x - w) / 2;
		if(rayon < 1 ) rayon = 1 ;
		if ( rayon < w ) w = rayon;
		fprintf(dest,"%d setlinewidth\n", w);
		fprintf(dest,"newpath %d %d %d 0 360 arc stroke\n",
											 centre.x, centre.y, rayon);
		}
}

/**************************************************************************/
void trace_1_pad_rectangulaire_POST(wxPoint centre,
							wxSize size, int orient, int modetrace)
/**************************************************************************/
/*
 Trace 1 pad rectangulaire d'orientation quelconque
	donne par son centre, ses dimensions,
	et son orientation orient
*/
{
int x0, y0, x1, y1, w;

	if( modetrace == FILLED )
		{
		x0 = centre.x - size.x/2; x1 = centre.x + size.x/2;
		y0 = y1 = centre.y; w = size.y;

		RotatePoint(&x0,&y0, centre.x, centre.y, orient);
		RotatePoint(&x1,&y1, centre.x, centre.y, orient);

		fprintf(dest,"0 setlinewidth 0 setlinecap 0 setlinejoin\n");
		ForcePenReinit(); 	// Force init line width for PlotFilledSegmentPS
		PlotFilledSegmentPS(wxPoint(x0, y0), wxPoint(x1, y1), w);
		ForcePenReinit(); 
		SetCurrentLineWidthPS(0);	// Force init line width to default
		fprintf(dest,"1 setlinecap 1 setlinejoin\n");
		}

	else {
		w = g_PlotLine_Width;
		size.x -= w; if ( size.x < 1 ) size.x = 1;
		size.y -= w; if ( size.y < 1 ) size.y = 1;
		trace_1_contour_POST(centre, size, wxSize(0, 0), w, orient);
		}
}


/**************************************************************/
void trace_1_contour_POST(wxPoint centre, wxSize size, wxSize delta,
									int dim_trait, int orient)
/**************************************************************/
/*
 Trace 1 contour rectangulaire ou trapezoidal d'orientation quelconque
	donne par son centre centre,
	ses dimensions size,
	ses variations delta
	epaisseur de trait dim_trait
	et son orientation orient (en 0.1 degres)
*/
{
int ii;
int dx, dy, lpen;
int ddx, ddy;
wxPoint coord[4];

	lpen = dim_trait;

	dx = size.x / 2;  dy = size.y / 2 ;
	ddx = delta.x >> 1; ddy = delta.y >> 1 ; /* demi dim  dx et dy */

	coord[0].x = centre.x - dx - ddy;
	coord[0].y = centre.y + dy + ddx;

	coord[1].x = centre.x - dx + ddy;
	coord[1].y = centre.y - dy - ddx;

	coord[2].x = centre.x + dx - ddy;
	coord[2].y = centre.y - dy + ddx;

	coord[3].x = centre.x + dx + ddy;
	coord[3].y = centre.y + dy - ddx;

	for (ii = 0; ii < 4; ii++)
		{
		RotatePoint(&coord[ii], centre, orient);
		}


	PlotFilledSegmentPS( coord[0], coord[1], lpen);
	PlotFilledSegmentPS( coord[1], coord[2], lpen);
	PlotFilledSegmentPS( coord[2], coord[3], lpen);
	PlotFilledSegmentPS( coord[3], coord[0], lpen);
}


/*******************************************************************/
void trace_1_pad_TRAPEZE_POST(wxPoint centre, wxSize size, wxSize delta,
							int orient,int modetrace)
/*******************************************************************/
/*
 Trace 1 pad trapezoidal donne par :
	son centre centre
	ses dimensions size
	les variations delta ( 1 des deux au moins doit etre nulle)
	son orientation orient en 0.1 degres
	le mode de trace (FILLED, SKETCH, FILAIRE)

 Le trace n'est fait que pour un trapeze, c.a.d que deltaX ou deltaY
	= 0.

	les notation des sommets sont ( vis a vis de la table tracante )

"       0 ------------- 3   "
"        .             .    "
"         .     O     .     "
"          .         .      "
"           1 ---- 2        "


	exemple de Disposition pour deltaY > 0, deltaX = 0
"           1 ---- 2        "
"          .         .      "
"         .     O     .     "
"        .             .    "
"       0 ------------- 3   "


	exemple de Disposition pour deltaY = 0, deltaX > 0
"       0                  "
"       . .                "
"       .     .            "
"       .           3      "
"       .           .      "
"       .     O     .      "
"       .           .      "
"       .           2      "
"       .     .            "
"       . .                "
"       1                  "
*/
{
int ii;
int dx,dy;
wxPoint polygone[4]; /* coord des sommets / centre du pad */
int ddx, ddy ;
int l_pen;			/* diam spot (plume) */

	l_pen = 1;
	if( (modetrace == FILAIRE) || ( Plot_Mode == FILAIRE ) )
	{
		wxSize lsize(g_PlotLine_Width,g_PlotLine_Width);
		UserToDeviceSize(lsize);
		l_pen = lsize.x;
	}

	dx = size.x / 2;  dy = size.y / 2 ;
	ddx = delta.x / 2; ddy = delta.y / 2 ;

	polygone[0].x = - dx - ddy; polygone[0].y = + dy + ddx;
	polygone[1].x = - dx + ddy; polygone[1].y = - dy - ddx;
	polygone[2].x = + dx - ddy; polygone[2].y = - dy + ddx;
	polygone[3].x = + dx + ddy; polygone[3].y = + dy - ddx;

	for (ii = 0; ii < 4; ii++)
		{
		RotatePoint(&polygone[ii].x, &polygone[ii].y, orient);
		polygone[ii].x += centre.x;	polygone[ii].y += centre.y;
		}

	SetCurrentLineWidthPS( l_pen);

	UserToDeviceCoordinate(polygone[0]);
	fprintf(dest,"newpath %d %d moveto\n", polygone[0].x, polygone[0].y);

	for (ii = 1; ii < 4; ii++)
		{
		UserToDeviceCoordinate(polygone[ii]);
		fprintf(dest,"%d %d lineto\n", polygone[ii].x, polygone[ii].y);
		}

	fprintf(dest,"%d %d lineto ", polygone[0].x, polygone[0].y);

	if(modetrace == FILLED ) fprintf(dest, "fill ");;
	fprintf(dest, "stroke\n");;
}