/**
 * @file pcbcommon.h
 */

#ifndef __PCBCOMMON_H__
#define __PCBCOMMON_H__


#include "dlist.h"
#include "layers_id_colors_and_visibility.h"  // LAYER_COUNT and NB_COPPER_LAYERS definitions.

//#include <wx/string.h>                        // wxString class.
//#include <wx/arrstr.h>                        // wxArrayString class.


#define MIN_DRAW_WIDTH 1  /* Minimum trace drawing width. */


//class PCB_SCREEN;
class D_PAD;
class TRACK;
class BOARD;
class DISPLAY_OPTIONS;


/**
 * Function GetLayerMask
 * @return a one bit layer mask from a layer number
 * @param aLayerNumber = the layer number to convert (0 .. LAYER_COUNT-1)
 */
int GetLayerMask( int aLayerNumber );

/* Look up Table for conversion copper layer count -> general copper layer mask: */
extern int g_TabAllCopperLayerMask[NB_COPPER_LAYERS];

extern DISPLAY_OPTIONS DisplayOpt;

extern wxString NetExtBuffer;
extern wxString NetCmpExtBuffer;
extern const wxString ModuleFileExtension;

extern const wxString ModuleFileWildcard;

extern int g_CurrentVersionPCB;

extern int g_RotationAngle;

/// List of segments of the trace currently being drawn.
extern DLIST<TRACK> g_CurrentTrackList;

#define g_CurrentTrackSegment g_CurrentTrackList.GetLast()    ///< most recently created segment

#define g_FirstTrackSegment   g_CurrentTrackList.GetFirst()   ///< first segment created

extern BOARD* g_ModuleEditor_Pcb;

/* Pad editing */
extern D_PAD g_Pad_Master;


#endif  /*  __PCBCOMMON_H__ */