kicad/pcbnew/classpcb.cpp

173 lines
7.1 KiB
C++

/****************************************************************/
/* member functions of classes used in pcbnew (see pcbstruct.h) */
/* except for tracks (see class_track.cpp) */
/****************************************************************/
#include "fctsys.h"
#include "common.h"
#include "pcbnew.h"
#include "class_board_design_settings.h"
#include "trigo.h"
#include "pcbnew_id.h"
/* Default pcbnew zoom values.
* Limited to 19 values to keep a decent size to menus
* 15 it better but does not allow a sufficient number of values
* roughtly a 1.5 progression.
* The last 2 values is handy when somebody uses a library import of a module
* (or foreign data) which has a bad coordinate
* Also useful in Gerbview for this reason.
* Zoom 5 and 10 can create artefacts when drawing (integer overflow in low level graphic functions )
*/
static const int PcbZoomList[] =
{
5, 10, 15, 22, 30, 45, 70, 100, 150, 220, 350, 500, 800, 1200,
2000, 3500, 5000, 10000, 20000
};
#define PCB_ZOOM_LIST_CNT ( sizeof( PcbZoomList ) / sizeof( int ) )
#define MM_TO_PCB_UNITS 10000.0 / 25.4000508001016
/* Default grid sizes for PCB editor screens. */
static GRID_TYPE PcbGridList[] =
{
// predefined grid list in 0.0001 inches
{ ID_POPUP_GRID_LEVEL_1000, wxRealPoint( 1000, 1000 ) },
{ ID_POPUP_GRID_LEVEL_500, wxRealPoint( 500, 500 ) },
{ ID_POPUP_GRID_LEVEL_250, wxRealPoint( 250, 250 ) },
{ ID_POPUP_GRID_LEVEL_200, wxRealPoint( 200, 200 ) },
{ ID_POPUP_GRID_LEVEL_100, wxRealPoint( 100, 100 ) },
{ ID_POPUP_GRID_LEVEL_50, wxRealPoint( 50, 50 ) },
{ ID_POPUP_GRID_LEVEL_25, wxRealPoint( 25, 25 ) },
{ ID_POPUP_GRID_LEVEL_20, wxRealPoint( 20, 20 ) },
{ ID_POPUP_GRID_LEVEL_10, wxRealPoint( 10, 10 ) },
{ ID_POPUP_GRID_LEVEL_5, wxRealPoint( 5, 5 ) },
{ ID_POPUP_GRID_LEVEL_2, wxRealPoint( 2, 2 ) },
{ ID_POPUP_GRID_LEVEL_1, wxRealPoint( 1, 1 ) },
// predefined grid list in mm
{ ID_POPUP_GRID_LEVEL_5MM, wxRealPoint( MM_TO_PCB_UNITS * 5.0, MM_TO_PCB_UNITS * 5.0 ) },
{ ID_POPUP_GRID_LEVEL_2_5MM, wxRealPoint( MM_TO_PCB_UNITS * 2.5, MM_TO_PCB_UNITS * 2.5 ) },
{ ID_POPUP_GRID_LEVEL_1MM, wxRealPoint( MM_TO_PCB_UNITS, MM_TO_PCB_UNITS ) },
{ ID_POPUP_GRID_LEVEL_0_5MM, wxRealPoint( MM_TO_PCB_UNITS * 0.5, MM_TO_PCB_UNITS * 0.5 ) },
{ ID_POPUP_GRID_LEVEL_0_25MM, wxRealPoint( MM_TO_PCB_UNITS * 0.25, MM_TO_PCB_UNITS * 0.25 ) },
{ ID_POPUP_GRID_LEVEL_0_2MM, wxRealPoint( MM_TO_PCB_UNITS * 0.2, MM_TO_PCB_UNITS * 0.2 ) },
{ ID_POPUP_GRID_LEVEL_0_1MM, wxRealPoint( MM_TO_PCB_UNITS * 0.1, MM_TO_PCB_UNITS * 0.1 ) },
{ ID_POPUP_GRID_LEVEL_0_0_5MM, wxRealPoint( MM_TO_PCB_UNITS * 0.05, MM_TO_PCB_UNITS * 0.05 ) },
{ ID_POPUP_GRID_LEVEL_0_0_25MM, wxRealPoint( MM_TO_PCB_UNITS * 0.025, MM_TO_PCB_UNITS * 0.025 ) },
{ ID_POPUP_GRID_LEVEL_0_0_1MM, wxRealPoint( MM_TO_PCB_UNITS * 0.01, MM_TO_PCB_UNITS * 0.01 ) }
};
#define PCB_GRID_LIST_CNT ( sizeof( PcbGridList ) / sizeof( GRID_TYPE ) )
/*******************************************************************/
/* Class PCB_SCREEN: class to handle parametres to display a board */
/********************************************************************/
PCB_SCREEN::PCB_SCREEN() : BASE_SCREEN( TYPE_SCREEN )
{
size_t i;
for( i = 0; i < PCB_ZOOM_LIST_CNT; i++ )
m_ZoomList.Add( PcbZoomList[i] );
for( i = 0; i < PCB_GRID_LIST_CNT; i++ )
AddGrid( PcbGridList[i] );
SetGrid( wxRealPoint( 500, 500 ) ); /* Set the working grid size to a reasonnable value (in 1/10000 inch) */
Init();
}
/***************************/
PCB_SCREEN::~PCB_SCREEN()
/***************************/
{
ClearUndoRedoList();
}
/*************************/
void PCB_SCREEN::Init()
/*************************/
{
InitDatas();
m_Active_Layer = COPPER_LAYER_N; /* default active layer = bottom layer */
m_Route_Layer_TOP = CMP_N; /* default layers pair for vias (bottom to top) */
m_Route_Layer_BOTTOM = COPPER_LAYER_N;
m_Zoom = 150; /* a default value for zoom */
}
int PCB_SCREEN::GetInternalUnits( void )
{
return PCB_INTERNAL_UNIT;
}
/* Return true if a microvia can be put on board
* A microvia ia a small via restricted to 2 near neighbour layers
* because its is hole is made by laser which can penetrate only one layer
* It is mainly used to connect BGA to the first inner layer
* And it is allowed from an external layer to the first inner layer
*/
bool PCB_SCREEN::IsMicroViaAcceptable( void )
{
int copperlayercnt = g_DesignSettings.GetCopperLayerCount( );
if( !g_DesignSettings.m_MicroViasAllowed )
return false; // Obvious..
if( copperlayercnt < 4 )
return false; // Only on multilayer boards..
if( ( m_Active_Layer == COPPER_LAYER_N )
|| ( m_Active_Layer == LAYER_CMP_N )
|| ( m_Active_Layer == g_DesignSettings.GetCopperLayerCount( ) - 2 )
|| ( m_Active_Layer == LAYER_N_2 ) )
return true;
return false;
}
/*************************/
/* class DISPLAY_OPTIONS */
/*************************/
/*
* Handle display options like enable/disable some optional drawings:
*/
DISPLAY_OPTIONS::DISPLAY_OPTIONS()
{
DisplayPadFill = FILLED;
DisplayViaFill = FILLED;
DisplayPadNum = true;
DisplayPadNoConn = true;
DisplayPadIsol = true;
DisplayModEdge = true;
DisplayModText = true;
DisplayPcbTrackFill = true; /* false = sketch , true = filled */
ShowTrackClearanceMode = SHOW_CLEARANCE_NEW_TRACKS_AND_VIA_AREAS;
m_DisplayViaMode = VIA_HOLE_NOT_SHOW;
DisplayPolarCood = false; /* false = display absolute coordinates,
* true = display polar cordinates */
DisplayZonesMode = 0; /* 0 = Show filled areas outlines in zones,
* 1 = do not show filled areas outlines
* 2 = show outlines of filled areas */
DisplayNetNamesMode = 3; /* 0 do not show netnames,
* 1 show netnames on pads
* 2 show netnames on tracks
* 3 show netnames on tracks and pads */
Show_Modules_Cmp = true;
Show_Modules_Cu = true;
DisplayDrawItems = true;
ContrastModeDisplay = false;
}