board_design_settings.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2009-2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 1992-2020 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#ifndef BOARD_DESIGN_SETTINGS_H_
#define BOARD_DESIGN_SETTINGS_H_

#include <pad.h>
#include <netclass.h>
#include <config_params.h>
#include <board_stackup_manager/class_board_stackup.h>
#include <drc/drc_engine.h>
#include <settings/nested_settings.h>
#include <widgets/ui_common.h>
#include <zone_settings.h>


#define DEFAULT_SILK_LINE_WIDTH       0.12
#define DEFAULT_COPPER_LINE_WIDTH     0.20
#define DEFAULT_EDGE_WIDTH            0.05
#define DEFAULT_COURTYARD_WIDTH       0.05
#define DEFAULT_LINE_WIDTH            0.10

#define DEFAULT_SILK_TEXT_SIZE        1.0
#define DEFAULT_COPPER_TEXT_SIZE      1.5
#define DEFAULT_TEXT_SIZE             1.0

#define DEFAULT_SILK_TEXT_WIDTH       0.15
#define DEFAULT_COPPER_TEXT_WIDTH     0.30
#define DEFAULT_TEXT_WIDTH            0.15

#define DEFAULT_DIMENSION_ARROW_LENGTH 50 // mils, for legacy purposes
#define DEFAULT_DIMENSION_EXTENSION_OFFSET 0.5

// Board thickness, mainly for 3D view:
#define DEFAULT_BOARD_THICKNESS_MM    1.6

#define DEFAULT_PCB_EDGE_THICKNESS    0.15

// soldermask to pad clearance. The default is 0 because usually board houses
// create a clearance depending on their fab process:
// mask material, color, price ...
#define DEFAULT_SOLDERMASK_CLEARANCE  0.0

// DEFAULT_SOLDERMASK_MIN_WIDTH is only used in Gerber files: soldermask minimum size.
// Set to 0, because using non 0 value creates an annoying issue in Gerber files:
// pads are no longer identified as pads (Flashed items or regions)
// Therefore solder mask min width must be used only in specific cases
// for instance for home made boards
#define DEFAULT_SOLDERMASK_MIN_WIDTH  0.0

#define DEFAULT_SOLDERPASTE_CLEARANCE 0.0
#define DEFAULT_SOLDERPASTE_RATIO     0.0

#define DEFAULT_CUSTOMTRACKWIDTH      0.2
#define DEFAULT_CUSTOMDPAIRWIDTH      0.125
#define DEFAULT_CUSTOMDPAIRGAP        0.18
#define DEFAULT_CUSTOMDPAIRVIAGAP     0.18

#define DEFAULT_MINCLEARANCE          0.0     // overall min clearance
#define DEFAULT_TRACKMINWIDTH         0.2     // track width min value
#define DEFAULT_VIASMINSIZE           0.4     // vias (not micro vias) min diameter
#define DEFAULT_MINTHROUGHDRILL       0.3     // through holes (not micro vias) min drill diameter
#define DEFAULT_MICROVIASMINSIZE      0.2     // micro vias (not vias) min diameter
#define DEFAULT_MICROVIASMINDRILL     0.1     // micro vias (not vias) min drill diameter
#define DEFAULT_HOLETOHOLEMIN         0.25    // minimum web thickness between two drilled holes
#define DEFAULT_HOLECLEARANCE         0.0     // copper-to-hole clearance

#define DEFAULT_COPPEREDGECLEARANCE   0.01    // clearance between copper items and edge cuts
#define LEGACY_COPPEREDGECLEARANCE   -0.01    // A flag to indicate the legacy method (based
                                              // on edge cut line thicknesses) should be used.
#define DEFAULT_SILKCLEARANCE         0.0

#define MINIMUM_ERROR_SIZE_MM         0.001
#define MAXIMUM_ERROR_SIZE_MM         0.1


struct VIA_DIMENSION
{
    int m_Diameter;     // <= 0 means use Netclass via diameter
    int m_Drill;        // <= 0 means use Netclass via drill

    VIA_DIMENSION()
    {
        m_Diameter = 0;
        m_Drill    = 0;
    }

    VIA_DIMENSION( int aDiameter, int aDrill )
    {
        m_Diameter = aDiameter;
        m_Drill    = aDrill;
    }

    bool operator==( const VIA_DIMENSION& aOther ) const
    {
        return ( m_Diameter == aOther.m_Diameter ) && ( m_Drill == aOther.m_Drill );
    }

    bool operator<( const VIA_DIMENSION& aOther ) const
    {
        if( m_Diameter != aOther.m_Diameter )
            return m_Diameter < aOther.m_Diameter;

        return m_Drill < aOther.m_Drill;
    }
};


struct DIFF_PAIR_DIMENSION
{
    int m_Width;         // <= 0 means use Netclass differential pair width
    int m_Gap;           // <= 0 means use Netclass differential pair gap
    int m_ViaGap;        // <= 0 means use Netclass differential pair via gap

    DIFF_PAIR_DIMENSION()
    {
        m_Width  = 0;
        m_Gap    = 0;
        m_ViaGap = 0;
    }

    DIFF_PAIR_DIMENSION( int aWidth, int aGap, int aViaGap )
    {
        m_Width  = aWidth;
        m_Gap    = aGap;
        m_ViaGap = aViaGap;
    }

    bool operator==( const DIFF_PAIR_DIMENSION& aOther ) const
    {
        return ( m_Width == aOther.m_Width )
                && ( m_Gap == aOther.m_Gap )
                && ( m_ViaGap == aOther.m_ViaGap );
    }

    bool operator<( const DIFF_PAIR_DIMENSION& aOther ) const
    {
        if( m_Width != aOther.m_Width )
            return m_Width < aOther.m_Width;

        if( m_Gap != aOther.m_Gap )
            return m_Gap < aOther.m_Gap;

        return m_ViaGap < aOther.m_ViaGap;
    }
};


enum
{
    LAYER_CLASS_SILK = 0,
    LAYER_CLASS_COPPER,
    LAYER_CLASS_EDGES,
    LAYER_CLASS_COURTYARD,
    LAYER_CLASS_FAB,
    LAYER_CLASS_OTHERS,

    LAYER_CLASS_COUNT
};


struct TEXT_ITEM_INFO
{
    wxString m_Text;
    bool     m_Visible;
    int      m_Layer;

    TEXT_ITEM_INFO( const wxString& aText, bool aVisible, int aLayer )
    {
        m_Text = aText;
        m_Visible = aVisible;
        m_Layer = aLayer;
    }
};


// forward declaration from class_track.h
enum class VIATYPE : int;

// forward declarations from dimension.h
enum class DIM_UNITS_FORMAT : int;
enum class DIM_TEXT_POSITION : int;
enum class DIM_UNITS_MODE : int;


class BOARD_DESIGN_SETTINGS : public NESTED_SETTINGS
{
public:
    BOARD_DESIGN_SETTINGS( JSON_SETTINGS* aParent, const std::string& aPath );

    virtual ~BOARD_DESIGN_SETTINGS();

    BOARD_DESIGN_SETTINGS( const BOARD_DESIGN_SETTINGS& aOther);

    BOARD_DESIGN_SETTINGS& operator=( const BOARD_DESIGN_SETTINGS& aOther );

    bool LoadFromFile( const wxString& aDirectory = "" ) override;

    BOARD_STACKUP& GetStackupDescriptor() { return m_stackup; }
    const BOARD_STACKUP& GetStackupDescriptor() const { return m_stackup; }

    SEVERITY GetSeverity( int aDRCErrorCode );

    bool Ignore( int aDRCErrorCode );

    NETCLASSES& GetNetClasses() const
    {
        return *m_netClasses;
    }

    void SetNetClasses( NETCLASSES* aNetClasses )
    {
        if( aNetClasses )
            m_netClasses = aNetClasses;
        else
            m_netClasses = &m_internalNetClasses;
    }

    ZONE_SETTINGS& GetDefaultZoneSettings()
    {
        return m_defaultZoneSettings;
    }

    void SetDefaultZoneSettings( const ZONE_SETTINGS& aSettings )
    {
        m_defaultZoneSettings = aSettings;
    }

    inline NETCLASS* GetDefault() const
    {
        return GetNetClasses().GetDefaultPtr();
    }

    inline const wxString& GetCurrentNetClassName() const
    {
        return m_currentNetClassName;
    }

    inline bool UseNetClassTrack() const
    {
        return ( m_trackWidthIndex == 0 && !m_useCustomTrackVia );
    }

    inline bool UseNetClassVia() const
    {
        return ( m_viaSizeIndex == 0 && !m_useCustomTrackVia );
    }

    inline bool UseNetClassDiffPair() const
    {
        return ( m_diffPairIndex == 0 && !m_useCustomDiffPair );
    }

    int GetBiggestClearanceValue();

    int GetSmallestClearanceValue();

    int GetCurrentMicroViaSize();

    int GetCurrentMicroViaDrill();

    inline unsigned GetTrackWidthIndex() const { return m_trackWidthIndex; }

    void SetTrackWidthIndex( unsigned aIndex );

    int GetCurrentTrackWidth() const;

    inline void SetCustomTrackWidth( int aWidth )
    {
        m_customTrackWidth = aWidth;
    }

    inline int GetCustomTrackWidth() const
    {
        return m_customTrackWidth;
    }

    inline unsigned GetViaSizeIndex() const
    {
        return m_viaSizeIndex;
    }

    void SetViaSizeIndex( unsigned aIndex );

    int GetCurrentViaSize() const;

    inline void SetCustomViaSize( int aSize )
    {
        m_customViaSize.m_Diameter = aSize;
    }

    inline int GetCustomViaSize() const
    {
        return m_customViaSize.m_Diameter;
    }

    int GetCurrentViaDrill() const;

    inline void SetCustomViaDrill( int aDrill )
    {
        m_customViaSize.m_Drill = aDrill;
    }

    inline int GetCustomViaDrill() const
    {
        return m_customViaSize.m_Drill;
    }

    inline void UseCustomTrackViaSize( bool aEnabled )
    {
        m_useCustomTrackVia = aEnabled;
    }

    inline bool UseCustomTrackViaSize() const
    {
        return m_useCustomTrackVia;
    }

    inline unsigned GetDiffPairIndex() const { return m_diffPairIndex; }

    void SetDiffPairIndex( unsigned aIndex );

    inline void SetCustomDiffPairWidth( int aWidth )
    {
        m_customDiffPair.m_Width = aWidth;
    }

    inline int GetCustomDiffPairWidth()
    {
        return m_customDiffPair.m_Width;
    }

    inline void SetCustomDiffPairGap( int aGap )
    {
        m_customDiffPair.m_Gap = aGap;
    }

    inline int GetCustomDiffPairGap()
    {
        return m_customDiffPair.m_Gap;
    }

    inline void SetCustomDiffPairViaGap( int aGap )
    {
        m_customDiffPair.m_ViaGap = aGap;
    }

    inline int GetCustomDiffPairViaGap()
    {
        return m_customDiffPair.m_ViaGap > 0 ? m_customDiffPair.m_ViaGap : m_customDiffPair.m_Gap;
    }

    inline void UseCustomDiffPairDimensions( bool aEnabled )
    {
        m_useCustomDiffPair = aEnabled;
    }

    inline bool UseCustomDiffPairDimensions() const
    {
        return m_useCustomDiffPair;
    }

    inline int GetCurrentDiffPairWidth() const
    {
        if( m_useCustomDiffPair )
            return m_customDiffPair.m_Width;
        else
            return m_DiffPairDimensionsList[m_diffPairIndex].m_Width;
    }

    inline int GetCurrentDiffPairGap() const
    {
        if( m_useCustomDiffPair )
            return m_customDiffPair.m_Gap;
        else
            return m_DiffPairDimensionsList[m_diffPairIndex].m_Gap;
    }

    inline int GetCurrentDiffPairViaGap() const
    {
        if( m_useCustomDiffPair )
            return m_customDiffPair.m_ViaGap;
        else
            return m_DiffPairDimensionsList[m_diffPairIndex].m_ViaGap;
    }

    void SetMinHoleSeparation( int aDistance );

    void SetCopperEdgeClearance( int aDistance );

    void SetSilkClearance( int aDistance );

    inline LSET GetEnabledLayers() const
    {
        return m_enabledLayers;
    }

    void SetEnabledLayers( LSET aMask );

    inline bool IsLayerEnabled( PCB_LAYER_ID aLayerId ) const
    {
        if( aLayerId >= 0 && aLayerId < PCB_LAYER_ID_COUNT )
            return m_enabledLayers[aLayerId];

        return false;
    }

    inline int GetCopperLayerCount() const
    {
        return m_copperLayerCount;
    }

    void SetCopperLayerCount( int aNewLayerCount );

    inline int GetBoardThickness() const { return m_boardThickness; }
    inline void SetBoardThickness( int aThickness ) { m_boardThickness = aThickness; }

    /*
     * Return an epsilon which accounts for rounding errors, etc.
     *
     * While currently an advanced cfg, going through this API allows us to easily change
     * it to board-specific if so desired.
     */
    int GetDRCEpsilon() const;

    int GetHolePlatingThickness() const;

    int GetLineThickness( PCB_LAYER_ID aLayer ) const;

    wxSize GetTextSize( PCB_LAYER_ID aLayer ) const;

    int GetTextThickness( PCB_LAYER_ID aLayer ) const;

    bool GetTextItalic( PCB_LAYER_ID aLayer ) const;
    bool GetTextUpright( PCB_LAYER_ID aLayer ) const;

    int GetLayerClass( PCB_LAYER_ID aLayer ) const;

private:
    void initFromOther( const BOARD_DESIGN_SETTINGS& aOther );

    bool migrateSchema0to1();

public:
    // Note: the first value in each dimensions list is the current netclass value
    std::vector<int>                 m_TrackWidthList;
    std::vector<VIA_DIMENSION>       m_ViasDimensionsList;
    std::vector<DIFF_PAIR_DIMENSION> m_DiffPairDimensionsList;

    bool       m_MicroViasAllowed;          
    bool       m_BlindBuriedViaAllowed;     
    VIATYPE    m_CurrentViaType;            

    bool       m_UseConnectedTrackWidth;    // use width of existing track when creating a new,
                                            // connected track
    int        m_MinClearance;              // overall min clearance
    int        m_TrackMinWidth;             // overall min track width
    int        m_ViasMinAnnulus;            // overall minimum width of the via copper ring
    int        m_ViasMinSize;               // overall vias (not micro vias) min diameter
    int        m_MinThroughDrill;           // through hole (not micro vias) min drill diameter
    int        m_MicroViasMinSize;          // micro vias min diameter
    int        m_MicroViasMinDrill;         // micro vias min drill diameter
    int        m_CopperEdgeClearance;
    int        m_HoleClearance;             // Hole to copper clearance
    int        m_HoleToHoleMin;             // Min width of web between two drilled holes
    int        m_SilkClearance;

    std::shared_ptr<DRC_ENGINE> m_DRCEngine;
    std::map<int, SEVERITY>     m_DRCSeverities;   // Map from DRCErrorCode to SEVERITY
    std::set<wxString>          m_DrcExclusions;

    int        m_ZoneFillVersion;

    // When smoothing the zone's outline there's the question of external fillets (that is, those
    // applied to concave corners).  While it seems safer to never have copper extend outside the
    // zone outline, 5.1.x and prior did indeed fill them so we leave the mode available.
    bool       m_ZoneKeepExternalFillets;

    // Maximum error allowed when approximating circles and arcs to segments
    int        m_MaxError;

    // Global mask margins:
    int        m_SolderMaskMargin;          // Solder mask margin
    int        m_SolderMaskMinWidth;        // Solder mask min width (2 areas closer than this
                                            // width are merged)
    int        m_SolderPasteMargin;         // Solder paste margin absolute value
    double     m_SolderPasteMarginRatio;    // Solder mask margin ratio value of pad size
                                            // The final margin is the sum of these 2 values

    // Variables used in footprint editing (default value in item/footprint creation)
    std::vector<TEXT_ITEM_INFO> m_DefaultFPTextItems;

    // Arrays of default values for the various layer classes.
    int        m_LineThickness[ LAYER_CLASS_COUNT ];
    wxSize     m_TextSize[ LAYER_CLASS_COUNT ];
    int        m_TextThickness[ LAYER_CLASS_COUNT ];
    bool       m_TextItalic[ LAYER_CLASS_COUNT ];
    bool       m_TextUpright[ LAYER_CLASS_COUNT ];

    // Default values for dimension objects
    DIM_UNITS_MODE    m_DimensionUnitsMode;
    int               m_DimensionPrecision; 
    DIM_UNITS_FORMAT  m_DimensionUnitsFormat;
    bool              m_DimensionSuppressZeroes;
    DIM_TEXT_POSITION m_DimensionTextPosition;
    bool              m_DimensionKeepTextAligned;
    int               m_DimensionArrowLength;
    int               m_DimensionExtensionOffset;

    // Miscellaneous
    wxPoint    m_AuxOrigin;                 
    wxPoint    m_GridOrigin;                

    PAD        m_Pad_Master;                // A dummy pad to store all default parameters
                                            // when importing values or creating a new pad

    // Set to true if the board has a stackup management.
    // If not set a default basic stackup will be used to generate the gbrjob file.
    // Could be removed later, or at least always set to true
    bool       m_HasStackup;

private:
    // Indices into the trackWidth, viaSizes and diffPairDimensions lists.
    // The 0 index is always the current netclass value(s)
    unsigned   m_trackWidthIndex;
    unsigned   m_viaSizeIndex;
    unsigned   m_diffPairIndex;

    // Custom values for track/via sizes (specified via dialog instead of netclass or lists)
    bool       m_useCustomTrackVia;
    int        m_customTrackWidth;
    VIA_DIMENSION m_customViaSize;

    // Custom values for differential pairs (specified via dialog instead of netclass/lists)
    bool       m_useCustomDiffPair;
    DIFF_PAIR_DIMENSION m_customDiffPair;

    int        m_copperLayerCount; 

    LSET       m_enabledLayers;    

    int        m_boardThickness;   

    wxString   m_currentNetClassName;

    BOARD_STACKUP m_stackup;

    NETCLASSES m_internalNetClasses;

    NETCLASSES* m_netClasses;

    ZONE_SETTINGS m_defaultZoneSettings;
};

#endif  // BOARD_DESIGN_SETTINGS_H_