allegro_builder.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright Quilter
 * 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, 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
 */
 
#pragma once
 
#include <functional>
#include <memory>
#include <unordered_map>
 
#include <convert/allegro_pcb_structs.h>
#include <convert/allegro_db.h>
 
#include <board.h>
#include <geometry/shape_line_chain.h>
#include <reporter.h>
#include <progress_reporter.h>
#include <pcb_io/common/plugin_common_layer_mapping.h>
 
 
class BOARD;
class FOOTPRINT;
class NETINFO_ITEM;
class PCB_TEXT;
 
namespace ALLEGRO
{
 
class LAYER_MAPPER;

class BOARD_BUILDER
{
public:
    BOARD_BUILDER( const BRD_DB& aBrdDb, BOARD& aBoard, REPORTER& aReporter,
                   PROGRESS_REPORTER* aProgressReporter,
                   const LAYER_MAPPING_HANDLER& aLayerMappingHandler );
    ~BOARD_BUILDER();
 
    bool BuildBoard();
 
private:
    VECTOR2I scale( const VECTOR2I& aVector ) const;
    VECTOR2I scaleSize( const VECTOR2I& aSize ) const;
    int scale( int aVal ) const;
 
    template <typename T>
    const T* expectBlockByKey( uint32_t aKey, uint8_t aType ) const
    {
        if( aKey == 0 )
            return nullptr;
 
        const BLOCK_BASE* block = m_brdDb.GetObjectByKey( aKey );
 
        if( !block )
        {
            reportMissingBlock( aKey, aType );
            return nullptr;
        }
 
        if( block->GetBlockType() != aType )
        {
            reportUnexpectedBlockType( block->GetBlockType(), aType, aKey, block->GetOffset() );
            return nullptr;
        }
 
        return &static_cast<const BLOCK<T>&>( *block ).GetData();
    }
 
    void reportMissingBlock( uint32_t aKey, uint8_t aType ) const;
    void reportUnexpectedBlockType( uint8_t aGot, uint8_t aExpected, uint32_t aKey = 0, size_t aOffset = 0,
                                    const wxString& aName = wxEmptyString ) const;
 
    PCB_LAYER_ID getLayer( const LAYER_INFO& aLayerInfo ) const;

    wxString get0x30StringValue( uint32_t a0x30Key ) const;

    std::vector<std::unique_ptr<PCB_SHAPE>> buildShapes( const BLK_0x14_GRAPHIC& aGraphicList, BOARD_ITEM_CONTAINER& aParent );
    std::unique_ptr<PCB_TEXT>  buildPcbText( const BLK_0x30_STR_WRAPPER& aStrWrapper, BOARD_ITEM_CONTAINER& aParent );

    std::unique_ptr<PCB_SHAPE> buildRect( const BLK_0x24_RECT& aRect, BOARD_ITEM_CONTAINER& aParent );

    std::unique_ptr<PCB_SHAPE> buildPolygon( const BLK_0x28_SHAPE& aShape, BOARD_ITEM_CONTAINER& aParent );

    std::vector<std::unique_ptr<BOARD_ITEM>> buildPadItems( const BLK_0x1C_PADSTACK& aPadstack, FOOTPRINT& aFp,
                                                            const wxString& aPadName, int aNetcode );
    std::unique_ptr<FOOTPRINT>               buildFootprint( const BLK_0x2D_FOOTPRINT_INST& aFpInstance );
    std::vector<std::unique_ptr<BOARD_ITEM>> buildTrack( const BLK_0x05_TRACK& aBlock, int aNetcode );
    std::unique_ptr<BOARD_ITEM>              buildVia( const BLK_0x33_VIA& aBlock, int aNetcode );
    std::unique_ptr<ZONE>                    buildZone( const BLK_0x28_SHAPE& aShape, int aNetcode );
    const SHAPE_LINE_CHAIN&                  buildOutline( const BLK_0x28_SHAPE& aShape ) const;

    const SHAPE_LINE_CHAIN& buildSegmentChain( uint32_t aStartKey ) const;

    int resolveShapeNet( const BLK_0x28_SHAPE& aShape ) const;

    wxString resolveMatchGroupName( const BLK_0x1B_NET& aNet ) const;

    wxString resolveConstraintSetNameFromField( uint32_t aFieldKey ) const;
 
    void cacheFontDefs();
    void setupLayers();
    void createNets();
    void createTracks();
    void createBoardOutline();
    void createBoardText();
    void createZones();
    void applyZoneFills();
    void enablePadTeardrops();
    void applyConstraintSets();
    void applyNetConstraints();
    void applyMatchGroups();

    const BLK_0x36_DEF_TABLE::FontDef_X08* getFontDef( unsigned aIndex ) const;

    const BLK_0x07_COMPONENT_INST* getFpInstRef( const BLK_0x2D_FOOTPRINT_INST& aFpInstance ) const;
 
    const BRD_DB&         m_brdDb;
    BOARD&                m_board;
    REPORTER&             m_reporter;
    PROGRESS_REPORTER*    m_progressReporter;
    LAYER_MAPPING_HANDLER m_layerMappingHandler;
 
    // Cached list of font defs in the 0x36 node
    std::vector<const BLK_0x36_DEF_TABLE::FontDef_X08*> m_fontDefList;
 
    // Cached list of KiCad nets corresponding to Allegro 0x1B NET keys
    std::unordered_map<uint32_t, NETINFO_ITEM*> m_netCache;
 
    struct ZoneFillEntry
    {
        const BLK_0x28_SHAPE* shape;
        int                   netCode;
        PCB_LAYER_ID          layer;
    };
 
    std::vector<ZoneFillEntry> m_zoneFillShapes;
 
    std::unique_ptr<LAYER_MAPPER> m_layerMapper;
 
    // Cache of computed outlines keyed by shape block key, avoiding redundant geometry rebuilds
    mutable std::unordered_map<uint32_t, SHAPE_LINE_CHAIN> m_outlineCache;
 
    // Cache of segment chains keyed by start key, avoiding redundant hole geometry rebuilds
    mutable std::unordered_map<uint32_t, SHAPE_LINE_CHAIN> m_segChainCache;
 
    // Conversion factor from internal units to nanometers.
    // Internal coordinates are in mils / divisor, so scale = 25400 / divisor.
    double m_scale;
};
 
} // namespace ALLEGRO