/**
 * @file classpcb.cpp
 * @brief Member functions of classes used in Pcbnew (see pcbstruct.h)
 *        except for tracks (see class_track.cpp).
 */

#include "fctsys.h"
#include "common.h"
#include "macros.h"
#include "trigo.h"
#include "class_pcb_screen.h"
#include "pcbnew.h"
#include "class_board_design_settings.h"
#include "layers_id_colors_and_visibility.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 double pcbZoomList[] =
{
    0.5,    1.0,   1.5,   2.0,   3.0, 4.5, 7.0,
    10.0, 15.0, 22.0, 35.0, 50.0, 80.0, 120.0,
    200.0, 350.0, 500.0, 1000.0, 2000.0
};

#define MM_TO_PCB_UNITS     (10000.0 / 25.4)


// 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 )     }
};


PCB_SCREEN::PCB_SCREEN( const wxSize& aPageSizeIU ) :
    BASE_SCREEN( SCREEN_T )
{
    for( unsigned i = 0; i < DIM( pcbZoomList );  ++i )
        m_ZoomList.Add( pcbZoomList[i] );

    for( unsigned i = 0; i < DIM( pcbGridList );  ++i )
        AddGrid( pcbGridList[i] );

    // Set the working grid size to a reasonnable value (in 1/10000 inch)
    SetGrid( wxRealPoint( 500, 500 ) );

    m_Active_Layer       = LAYER_N_BACK;      // default active layer = bottom layer
    m_Route_Layer_TOP    = LAYER_N_FRONT;     // default layers pair for vias (bottom to top)
    m_Route_Layer_BOTTOM = LAYER_N_BACK;

    SetZoom( 150 );                           // a default value for zoom

    InitDataPoints( aPageSizeIU );
}


PCB_SCREEN::~PCB_SCREEN()
{
    ClearUndoRedoList();
}


int PCB_SCREEN::GetInternalUnits()
{
    return PCB_INTERNAL_UNIT;
}


DISPLAY_OPTIONS::DISPLAY_OPTIONS()
{
    DisplayPadFill          = FILLED;
    DisplayViaFill          = FILLED;
    DisplayPadNum           = 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 */
    DisplayDrawItems        = true;
    ContrastModeDisplay     = false;
}