layer_ids.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2010 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef LAYER_IDS_H
#define LAYER_IDS_H
 
#include <set>
#include <vector>
#include <bitset>
#include <stdexcept>
#include <wx/string.h>
#include <kicommon.h>
 

 

enum PCB_LAYER_ID: int
{
    UNDEFINED_LAYER = -1,
    UNSELECTED_LAYER = -2,
 
    F_Cu = 0,
    B_Cu = 2,
    In1_Cu = 4,
    In2_Cu = 6,
    In3_Cu = 8,
    In4_Cu = 10,
    In5_Cu = 12,
    In6_Cu = 14,
    In7_Cu = 16,
    In8_Cu = 18,
    In9_Cu = 20,
    In10_Cu = 22,
    In11_Cu = 24,
    In12_Cu = 26,
    In13_Cu = 28,
    In14_Cu = 30,
    In15_Cu = 32,
    In16_Cu = 34,
    In17_Cu = 36,
    In18_Cu = 38,
    In19_Cu = 40,
    In20_Cu = 42,
    In21_Cu = 44,
    In22_Cu = 46,
    In23_Cu = 48,
    In24_Cu = 50,
    In25_Cu = 52,
    In26_Cu = 54,
    In27_Cu = 56,
    In28_Cu = 58,
    In29_Cu = 60,
    In30_Cu = 62,
 
    F_Mask = 1,
    B_Mask = 3,
 
    F_SilkS = 5,
    B_SilkS = 7,
    F_Adhes = 9,
    B_Adhes = 11,
    F_Paste = 13,
    B_Paste = 15,
 
    Dwgs_User = 17,
    Cmts_User = 19,
    Eco1_User = 21,
    Eco2_User = 23,
 
    Edge_Cuts = 25,
    Margin = 27,
 
    B_CrtYd = 29,
    F_CrtYd = 31,
 
    B_Fab = 33,
    F_Fab = 35,
 
    Rescue = 37,
 
    // User definable layers.
    User_1 = 39,
    User_2 = 41,
    User_3 = 43,
    User_4 = 45,
    User_5 = 47,
    User_6 = 49,
    User_7 = 51,
    User_8 = 53,
    User_9 = 55,
    User_10 = 57,
    User_11 = 59,
    User_12 = 61,
    User_13 = 63,
    User_14 = 65,
    User_15 = 67,
    User_16 = 69,
    User_17 = 71,
    User_18 = 73,
    User_19 = 75,
    User_20 = 77,
    User_21 = 79,
    User_22 = 81,
    User_23 = 83,
    User_24 = 85,
    User_25 = 87,
    User_26 = 89,
    User_27 = 91,
    User_28 = 93,
    User_29 = 95,
    User_30 = 97,
    User_31 = 99,
    User_32 = 101,
    User_33 = 103,
    User_34 = 105,
    User_35 = 107,
    User_36 = 109,
    User_37 = 111,
    User_38 = 113,
    User_39 = 115,
    User_40 = 117,
    User_41 = 119,
    User_42 = 121,
    User_43 = 123,
    User_44 = 125,
    User_45 = 127,
 
 
    PCB_LAYER_ID_COUNT = 128
};
 
constexpr PCB_LAYER_ID PCBNEW_LAYER_ID_START = F_Cu;
 
#define MAX_CU_LAYERS           32
#define MAX_USER_DEFINED_LAYERS 45

enum class FLASHING
{
    DEFAULT,                
    ALWAYS_FLASHED,         
    NEVER_FLASHED,          
};

enum NETNAMES_LAYER_ID: int
{
 
    NETNAMES_LAYER_ID_START = PCB_LAYER_ID_COUNT,

    NETNAMES_LAYER_ID_RESERVED = NETNAMES_LAYER_ID_START + PCB_LAYER_ID_COUNT,

    LAYER_PAD_FR_NETNAMES,
    LAYER_PAD_BK_NETNAMES,
    LAYER_PAD_NETNAMES,
    LAYER_VIA_NETNAMES,
 
    NETNAMES_LAYER_ID_END
};

#define NETNAMES_LAYER_INDEX( layer )   ( static_cast<int>( NETNAMES_LAYER_ID_START ) + layer )
 
#define GAL_UI_LAYER_COUNT 10

enum GAL_LAYER_ID: int
{
    GAL_LAYER_ID_START = NETNAMES_LAYER_ID_END,

    LAYER_VIAS               = GAL_LAYER_ID_START +  0,
    LAYER_VIA_MICROVIA       = GAL_LAYER_ID_START +  1, 
    LAYER_VIA_BLIND          = GAL_LAYER_ID_START +  2, 
    LAYER_VIA_BURIED         = GAL_LAYER_ID_START +  3, 
    LAYER_VIA_THROUGH        = GAL_LAYER_ID_START +  4, 

    LAYER_NON_PLATEDHOLES    = GAL_LAYER_ID_START +  5,
    LAYER_FP_TEXT            = GAL_LAYER_ID_START +  6,
 
//  LAYER_MOD_TEXT_BK deprecated                  +  6,
 
//  DEPRECATED, UNUSED SINCE 9.0. text marked as invisible.
//  LAYER_HIDDEN_TEXT        = GAL_LAYER_ID_START +  7,

    LAYER_ANCHOR             = GAL_LAYER_ID_START +  8,
 
//  LAYER_PADS_SMD_FR        = GAL_LAYER_ID_START +  9, // Deprecated since 9.0
//  LAYER_PADS_SMD_BK        = GAL_LAYER_ID_START + 10, // Deprecated since 9.0
 
    LAYER_RATSNEST           = GAL_LAYER_ID_START + 11,
    LAYER_GRID               = GAL_LAYER_ID_START + 12,
    LAYER_GRID_AXES          = GAL_LAYER_ID_START + 13,
 
//  LAYER_NO_CONNECTS deprecated                  + 14, // show a marker on pads with no nets
 
    LAYER_FOOTPRINTS_FR      = GAL_LAYER_ID_START + 15, 
    LAYER_FOOTPRINTS_BK      = GAL_LAYER_ID_START + 16, 

    LAYER_FP_VALUES          = GAL_LAYER_ID_START + 17,

    LAYER_FP_REFERENCES      = GAL_LAYER_ID_START + 18,
    LAYER_TRACKS             = GAL_LAYER_ID_START + 19,
 
//  LAYER_PADS_TH            = GAL_LAYER_ID_START + 20, ///< Deprecated since 9.0
 
    LAYER_PAD_PLATEDHOLES    = GAL_LAYER_ID_START + 21, 

    LAYER_VIA_HOLES          = GAL_LAYER_ID_START + 22,

    LAYER_DRC_ERROR          = GAL_LAYER_ID_START + 23,
    LAYER_DRAWINGSHEET       = GAL_LAYER_ID_START + 24, 
    LAYER_GP_OVERLAY         = GAL_LAYER_ID_START + 25, 
    LAYER_SELECT_OVERLAY     = GAL_LAYER_ID_START + 26, 
    LAYER_PCB_BACKGROUND     = GAL_LAYER_ID_START + 27, 
    LAYER_CURSOR             = GAL_LAYER_ID_START + 28, 
    LAYER_AUX_ITEMS          = GAL_LAYER_ID_START + 29, 
    LAYER_DRAW_BITMAPS       = GAL_LAYER_ID_START + 30, 

    GAL_LAYER_ID_BITMASK_END = GAL_LAYER_ID_START + 31,
 
    // Layers in this section have visibility controls but were not present in legacy board files.

    LAYER_PADS               = GAL_LAYER_ID_START + 32,

    LAYER_ZONES              = GAL_LAYER_ID_START + 33,
 
    LAYER_PAD_HOLEWALLS      = GAL_LAYER_ID_START + 34,
    LAYER_VIA_HOLEWALLS      = GAL_LAYER_ID_START + 35,

    LAYER_DRC_WARNING        = GAL_LAYER_ID_START + 36,

    LAYER_DRC_EXCLUSION      = GAL_LAYER_ID_START + 37,
    LAYER_MARKER_SHADOWS     = GAL_LAYER_ID_START + 38, 
 
    LAYER_LOCKED_ITEM_SHADOW = GAL_LAYER_ID_START + 39, 

    LAYER_CONFLICTS_SHADOW   = GAL_LAYER_ID_START + 40,

    LAYER_FILLED_SHAPES      = GAL_LAYER_ID_START + 41,
 
    LAYER_DRC_SHAPES         = GAL_LAYER_ID_START + 42,  
//  LAYER_DRC_SHAPE2         = GAL_LAYER_ID_START + 43,  ///< Deprecated since 10.0
 
    LAYER_BOARD_OUTLINE_AREA = GAL_LAYER_ID_START + 44, 

    LAYER_POINTS             = GAL_LAYER_ID_START + 45,
 
    // Add layers below this point that do not have visibility controls, so don't need explicit
    // enum values
 
    LAYER_DRAWINGSHEET_PAGE1,      
    LAYER_DRAWINGSHEET_PAGEn,      
 
    LAYER_PAGE_LIMITS,             
 
    LAYER_DRC_HIGHLIGHTED,          

    LAYER_ZONE_START,
    LAYER_ZONE_END = LAYER_ZONE_START + PCB_LAYER_ID_COUNT,

    LAYER_PAD_COPPER_START,
    LAYER_PAD_COPPER_END = LAYER_PAD_COPPER_START + PCB_LAYER_ID_COUNT,

    LAYER_VIA_COPPER_START,
    LAYER_VIA_COPPER_END = LAYER_VIA_COPPER_START + PCB_LAYER_ID_COUNT,

    LAYER_CLEARANCE_START,
    LAYER_CLEARANCE_END = LAYER_CLEARANCE_START + PCB_LAYER_ID_COUNT,

    LAYER_BITMAP_START,
    LAYER_BITMAP_END = LAYER_BITMAP_START + PCB_LAYER_ID_COUNT,

    LAYER_POINT_START,
    LAYER_POINT_END = LAYER_POINT_START + PCB_LAYER_ID_COUNT,
 
    // Layers for drawing on-canvas UI
    LAYER_UI_START,
    LAYER_UI_END = LAYER_UI_START + GAL_UI_LAYER_COUNT,
 
    GAL_LAYER_ID_END
};

#define GAL_LAYER_INDEX( x ) ( x - GAL_LAYER_ID_START )

#define BITMAP_LAYER_FOR( boardLayer ) ( LAYER_BITMAP_START + boardLayer )
#define ZONE_LAYER_FOR( boardLayer ) ( LAYER_ZONE_START + boardLayer )
#define PAD_COPPER_LAYER_FOR( boardLayer ) ( LAYER_PAD_COPPER_START + boardLayer )
#define VIA_COPPER_LAYER_FOR( boardLayer ) ( LAYER_VIA_COPPER_START + boardLayer )
#define CLEARANCE_LAYER_FOR( boardLayer ) ( LAYER_CLEARANCE_START + boardLayer )
#define POINT_LAYER_FOR( boardLayer ) ( LAYER_POINT_START + boardLayer )
 
constexpr int GAL_LAYER_ID_COUNT = GAL_LAYER_ID_END - GAL_LAYER_ID_START;
 
inline GAL_LAYER_ID operator++( GAL_LAYER_ID& a )
{
    a = GAL_LAYER_ID( int( a ) + 1 );
    return a;
}
 
inline GAL_LAYER_ID ToGalLayer( int aInteger )
{
    wxASSERT( aInteger >= GAL_LAYER_ID_START && aInteger <= GAL_LAYER_ID_END );
    return static_cast<GAL_LAYER_ID>( aInteger );
}

inline GAL_LAYER_ID operator+( const GAL_LAYER_ID& a, int b )
{
    GAL_LAYER_ID t = GAL_LAYER_ID( int( a ) + b );
    wxASSERT( t <= GAL_LAYER_ID_END );
    return t;
}
 

typedef std::bitset<GAL_LAYER_ID_COUNT> GAL_BASE_SET;
 

class KICOMMON_API GAL_SET : public GAL_BASE_SET
{
 
private:
    static constexpr int start = static_cast<int>( GAL_LAYER_ID_START );
 
public:
    GAL_SET() : std::bitset<GAL_LAYER_ID_COUNT>()
    {
    }
 
    GAL_SET( const GAL_SET& aOther ) : std::bitset<GAL_LAYER_ID_COUNT>( aOther )
    {
    }
 
    GAL_SET( const GAL_LAYER_ID* aArray, unsigned aCount );
 
    GAL_SET& set()
    {
        GAL_BASE_SET::set();
        return *this;
    }
 
    GAL_SET& set( int aPos, bool aVal = true )
    {
        GAL_BASE_SET::set( aPos, aVal );
        return *this;
    }
 
    GAL_SET& set( GAL_LAYER_ID aPos, bool aVal = true )
    {
        GAL_BASE_SET::set( static_cast<std::size_t>( aPos ) - start, aVal );
        return *this;
    }
 
    bool Contains( GAL_LAYER_ID aPos )
    {
        return test( static_cast<std::size_t>( aPos ) - start );
    }
 
    std::vector<GAL_LAYER_ID> Seq() const;
 
    static GAL_SET DefaultVisible();
};

enum SCH_LAYER_ID : int
{
    SCH_LAYER_ID_START = GAL_LAYER_ID_END,
 
    LAYER_WIRE = SCH_LAYER_ID_START,
    LAYER_BUS,
    LAYER_JUNCTION,
    LAYER_LOCLABEL,
    LAYER_GLOBLABEL,
    LAYER_HIERLABEL,
    LAYER_PINNUM,
    LAYER_PINNAM,
    LAYER_REFERENCEPART,
    LAYER_VALUEPART,
    LAYER_FIELDS,
    LAYER_INTERSHEET_REFS,
    LAYER_NETCLASS_REFS,
    LAYER_RULE_AREAS,
    LAYER_DEVICE,
    LAYER_NOTES,
    LAYER_PRIVATE_NOTES,
    LAYER_NOTES_BACKGROUND,
    LAYER_PIN,
    LAYER_SHEET,
    LAYER_SHEETNAME,
    LAYER_SHEETFILENAME,
    LAYER_SHEETFIELDS,
    LAYER_SHEETLABEL,
    LAYER_NOCONNECT,
    LAYER_DANGLING,
    LAYER_DNP_MARKER,
    LAYER_ERC_WARN,
    LAYER_ERC_ERR,
    LAYER_ERC_EXCLUSION,
    LAYER_EXCLUDED_FROM_SIM,
    LAYER_SHAPES_BACKGROUND,
    LAYER_DEVICE_BACKGROUND,
    LAYER_SHEET_BACKGROUND,
    LAYER_SCHEMATIC_GRID,
    LAYER_SCHEMATIC_GRID_AXES,
    LAYER_SCHEMATIC_BACKGROUND,
    LAYER_SCHEMATIC_CURSOR,
    LAYER_HOVERED,
    LAYER_BRIGHTENED,
    LAYER_HIDDEN,
    LAYER_NET_COLOR_HIGHLIGHT,
    LAYER_DRAG_NET_COLLISION,
    LAYER_SELECTION_SHADOWS,
    LAYER_SCHEMATIC_DRAWINGSHEET,
    LAYER_SCHEMATIC_PAGE_LIMITS,
    LAYER_BUS_JUNCTION,
    LAYER_SCHEMATIC_AUX_ITEMS,
    LAYER_SCHEMATIC_ANCHOR,
    LAYER_OP_VOLTAGES,
    LAYER_OP_CURRENTS,
    LAYER_GROUP,
 
    SCH_LAYER_ID_END
};
 
#define SCH_LAYER_ID_COUNT ( SCH_LAYER_ID_END - SCH_LAYER_ID_START )
 
#define SCH_LAYER_INDEX( x ) ( x - SCH_LAYER_ID_START )
 
inline SCH_LAYER_ID operator++( SCH_LAYER_ID& a )
{
    a = SCH_LAYER_ID( int( a ) + 1 );
    return a;
}

#define GERBER_DRAWLAYERS_COUNT static_cast<int>( PCB_LAYER_ID_COUNT )

enum GERBVIEW_LAYER_ID: int
{
    GERBVIEW_LAYER_ID_START = SCH_LAYER_ID_END,

    GERBVIEW_LAYER_ID_RESERVED = GERBVIEW_LAYER_ID_START + ( 2 * GERBER_DRAWLAYERS_COUNT ),
 
    LAYER_DCODES,
    LAYER_NEGATIVE_OBJECTS,
    LAYER_GERBVIEW_GRID,
    LAYER_GERBVIEW_AXES,
    LAYER_GERBVIEW_BACKGROUND,
    LAYER_GERBVIEW_DRAWINGSHEET,
    LAYER_GERBVIEW_PAGE_LIMITS,
 
    GERBVIEW_LAYER_ID_END
};
 
#define GERBER_DRAW_LAYER( x ) ( GERBVIEW_LAYER_ID_START + x )
 
#define GERBER_DCODE_LAYER( x ) ( GERBER_DRAWLAYERS_COUNT + x )
 
#define GERBER_DRAW_LAYER_INDEX( x ) ( x - GERBVIEW_LAYER_ID_START )
 

enum LAYER_3D_ID : int
{
        LAYER_3D_START = GERBVIEW_LAYER_ID_END,
 
        LAYER_3D_BACKGROUND_BOTTOM,
        LAYER_3D_BACKGROUND_TOP,
        LAYER_3D_BOARD,
        LAYER_3D_COPPER_TOP,
        LAYER_3D_COPPER_BOTTOM,
        LAYER_3D_SILKSCREEN_BOTTOM,
        LAYER_3D_SILKSCREEN_TOP,
        LAYER_3D_SOLDERMASK_BOTTOM,
        LAYER_3D_SOLDERMASK_TOP,
        LAYER_3D_SOLDERPASTE,
        LAYER_3D_ADHESIVE,
        LAYER_3D_USER_COMMENTS,
        LAYER_3D_USER_DRAWINGS,
        LAYER_3D_USER_ECO1,
        LAYER_3D_USER_ECO2,
        LAYER_3D_USER_1,
        LAYER_3D_USER_2,
        LAYER_3D_USER_3,
        LAYER_3D_USER_4,
        LAYER_3D_USER_5,
        LAYER_3D_USER_6,
        LAYER_3D_USER_7,
        LAYER_3D_USER_8,
        LAYER_3D_USER_9,
        LAYER_3D_USER_10,
        LAYER_3D_USER_11,
        LAYER_3D_USER_12,
        LAYER_3D_USER_13,
        LAYER_3D_USER_14,
        LAYER_3D_USER_15,
        LAYER_3D_USER_16,
        LAYER_3D_USER_17,
        LAYER_3D_USER_18,
        LAYER_3D_USER_19,
        LAYER_3D_USER_20,
        LAYER_3D_USER_21,
        LAYER_3D_USER_22,
        LAYER_3D_USER_23,
        LAYER_3D_USER_24,
        LAYER_3D_USER_25,
        LAYER_3D_USER_26,
        LAYER_3D_USER_27,
        LAYER_3D_USER_28,
        LAYER_3D_USER_29,
        LAYER_3D_USER_30,
        LAYER_3D_USER_31,
        LAYER_3D_USER_32,
        LAYER_3D_USER_33,
        LAYER_3D_USER_34,
        LAYER_3D_USER_35,
        LAYER_3D_USER_36,
        LAYER_3D_USER_37,
        LAYER_3D_USER_38,
        LAYER_3D_USER_39,
        LAYER_3D_USER_40,
        LAYER_3D_USER_41,
        LAYER_3D_USER_42,
        LAYER_3D_USER_43,
        LAYER_3D_USER_44,
        LAYER_3D_USER_45,
        LAYER_3D_TH_MODELS,
        LAYER_3D_SMD_MODELS,
        LAYER_3D_VIRTUAL_MODELS,
        LAYER_3D_MODELS_NOT_IN_POS,
        LAYER_3D_MODELS_MARKED_DNP,
        LAYER_3D_NAVIGATOR,
        LAYER_3D_BOUNDING_BOXES,
        LAYER_3D_OFF_BOARD_SILK,
        LAYER_3D_PLATED_BARRELS,
 
        LAYER_3D_END
};

#define LAYER_ID_COUNT LAYER_3D_END
 

KICOMMON_API wxString LayerName( int aLayer );
 
 
// Some elements do not have yet a visibility control
// from a dialog, but have a visibility control flag.
// Here is a mask to set them visible, to be sure they are displayed
// after loading a board for instance
#define MIN_VISIBILITY_MASK int( ( 1 << GAL_LAYER_INDEX( LAYER_PAD_PLATEDHOLES ) ) +\
                                 ( 1 << GAL_LAYER_INDEX( LAYER_VIA_HOLES ) ) +\
                                 ( 1 << GAL_LAYER_INDEX( LAYER_SELECT_OVERLAY ) ) +\
                                 ( 1 << GAL_LAYER_INDEX( LAYER_GP_OVERLAY ) ) +\
                                 ( 1 << GAL_LAYER_INDEX( LAYER_RATSNEST ) ) )
 

inline bool IsValidLayer( int aLayerId )
{
    return unsigned( aLayerId ) < PCB_LAYER_ID_COUNT;
}

inline bool IsPcbLayer( int aLayer )
{
    return aLayer >= F_Cu && aLayer < PCB_LAYER_ID_COUNT;
}

inline bool IsCopperLayer( int aLayerId )
{
    return !( aLayerId & 1 ) && aLayerId < PCB_LAYER_ID_COUNT && aLayerId >= 0;
}

inline bool IsExternalCopperLayer( int aLayerId )
{
    return aLayerId == F_Cu || aLayerId == B_Cu;
}

inline bool IsInnerCopperLayer( int aLayerId )
{
    return IsCopperLayer( aLayerId ) && !IsExternalCopperLayer( aLayerId );
}

inline bool IsNonCopperLayer( int aLayerId )
{
    return ( aLayerId & 1 ) && aLayerId <= PCB_LAYER_ID_COUNT;
}

inline bool IsCopperLayer( int aLayerId, bool aIncludeSyntheticCopperLayers )
{
    if( aIncludeSyntheticCopperLayers )
        return !IsNonCopperLayer( aLayerId );
    else
        return IsCopperLayer( aLayerId );
}
 
inline bool IsViaPadLayer( int aLayer )
{
    return aLayer == LAYER_VIA_THROUGH
            || aLayer == LAYER_VIA_MICROVIA
            || aLayer == LAYER_VIA_BLIND
            || aLayer == LAYER_VIA_BURIED;
}
 
inline bool IsHoleLayer( int aLayer )
{
    return aLayer == LAYER_VIA_HOLES
            || aLayer == LAYER_VIA_HOLEWALLS
            || aLayer == LAYER_PAD_PLATEDHOLES
            || aLayer == LAYER_PAD_HOLEWALLS
            || aLayer == LAYER_NON_PLATEDHOLES;
}
 
inline bool IsSolderMaskLayer( int aLayer )
{
    return aLayer == F_Mask || aLayer == B_Mask;
}

inline bool IsUserLayer( PCB_LAYER_ID aLayerId )
{
    return aLayerId == Dwgs_User || aLayerId == Cmts_User || aLayerId == Eco1_User
           || aLayerId == Eco2_User || ( aLayerId >= User_1 && !IsCopperLayer( aLayerId ) );
}
 
 
/*
 * IMPORTANT: If a layer is not a front layer that doesn't necessarily mean it's a back layer.
 *
 * So a layer can be:
 *   - Front
 *   - Back
 *   - Neither (internal or auxiliary)
 *
 * The check most frequent is for back layers, since it involves flips.
 */

inline bool IsFrontLayer( PCB_LAYER_ID aLayerId )
{
    switch( aLayerId )
    {
    case F_Cu:
    case F_Adhes:
    case F_Paste:
    case F_SilkS:
    case F_Mask:
    case F_CrtYd:
    case F_Fab:
        return true;
    default:
        ;
    }
 
    return false;
}
 

inline bool IsBackLayer( PCB_LAYER_ID aLayerId )
{
    switch( aLayerId )
    {
    case B_Cu:
    case B_Adhes:
    case B_Paste:
    case B_SilkS:
    case B_Mask:
    case B_CrtYd:
    case B_Fab:
        return true;
    default:
        return false;
    }
}
 

inline bool IsCopperLayerLowerThan( PCB_LAYER_ID aLayerA, PCB_LAYER_ID aLayerB )
{
    if( aLayerA == aLayerB )
        return false;
 
    if( aLayerA == B_Cu )
        return true;
 
    if( aLayerB == B_Cu )
        return false;
 
    return aLayerA > aLayerB;
}
 

KICOMMON_API PCB_LAYER_ID FlipLayer( PCB_LAYER_ID aLayerId, int aCopperLayersCount = 0 );
 

inline int GetNetnameLayer( int aLayer )
{
    if( IsCopperLayer( aLayer ) || IsViaPadLayer( aLayer ) )
        return NETNAMES_LAYER_INDEX( aLayer );
 
    // Fallback
    return Cmts_User;
}

inline bool IsNetnameLayer( int aLayer )
{
    return aLayer >= NETNAMES_LAYER_INDEX( F_Cu ) && aLayer < NETNAMES_LAYER_ID_END;
}
 
 
inline bool IsZoneFillLayer( int aLayer )
{
    return aLayer >= LAYER_ZONE_START && aLayer <= LAYER_ZONE_END;
}
 
 
inline bool IsPadCopperLayer( int aLayer )
{
    return aLayer >= LAYER_PAD_COPPER_START && aLayer <= LAYER_PAD_COPPER_END;
}
 
 
inline bool IsViaCopperLayer( int aLayer )
{
    return aLayer >= LAYER_VIA_COPPER_START && aLayer <= LAYER_VIA_COPPER_END;
}
 
 
inline bool IsClearanceLayer( int aLayer )
{
    return aLayer >= LAYER_CLEARANCE_START && aLayer <= LAYER_CLEARANCE_END;
}
 
 
inline bool IsPointsLayer( int aLayer )
{
    return aLayer >= LAYER_POINT_START && aLayer <= LAYER_POINT_END;
}
 
 
inline bool IsDCodeLayer( int aLayer )
{
    return aLayer >= ( GERBVIEW_LAYER_ID_START + GERBER_DRAWLAYERS_COUNT )
            && aLayer < ( GERBVIEW_LAYER_ID_START + ( 2 * GERBER_DRAWLAYERS_COUNT ) );
}
 

inline size_t CopperLayerToOrdinal( PCB_LAYER_ID aLayer )
{
    wxCHECK( IsCopperLayer( aLayer ), 0 );
 
    switch( aLayer )
    {
    case F_Cu:  return 0;
    case B_Cu:  return MAX_CU_LAYERS - 1;
    default:    return ( aLayer - B_Cu ) / 2;
    }
}
 

KICOMMON_API PCB_LAYER_ID BoardLayerFromLegacyId( int aLegacyId );
 
 
KICOMMON_API PCB_LAYER_ID Map3DLayerToPCBLayer( int aLayer );
KICOMMON_API int MapPCBLayerTo3DLayer( PCB_LAYER_ID aLayer );
 
 
KICOMMON_API PCB_LAYER_ID ToLAYER_ID( int aLayer );
 
#endif // LAYER_IDS_H