drawing_tool.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014-2017 CERN
 * Copyright (C) 2018-2020 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Maciej Suminski <maciej.suminski@cern.ch>
 *
 * 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 __DRAWING_TOOL_H
#define __DRAWING_TOOL_H

#include <core/optional.h>
#include <tool/tool_menu.h>
#include <tools/pcb_tool_base.h>
#include <tools/pcb_actions.h>

namespace KIGFX
{
    class VIEW;
    class VIEW_CONTROLS;
}
class BOARD;
class PCB_BASE_EDIT_FRAME;
class PCB_SHAPE;
class POLYGON_GEOM_MANAGER;

class DRAWING_TOOL : public PCB_TOOL_BASE
{
public:
    DRAWING_TOOL();
    ~DRAWING_TOOL();

    bool Init() override;

    void Reset( RESET_REASON aReason ) override;

    enum class MODE
    {
        NONE,
        LINE,
        RECTANGLE,
        CIRCLE,
        ARC,
        TEXT,
        ANCHOR,
        DXF,
        DIMENSION,
        KEEPOUT,
        ZONE,
        GRAPHIC_POLYGON,
        VIA
    };

    MODE GetDrawingMode() const;

    int DrawLine( const TOOL_EVENT& aEvent );

    int DrawRectangle( const TOOL_EVENT& aEvent );

    int DrawCircle( const TOOL_EVENT& aEvent );

    int DrawArc( const TOOL_EVENT& aEvent );

    int PlaceText( const TOOL_EVENT& aEvent );

    int DrawDimension( const TOOL_EVENT& aEvent );

    int DrawZone(  const TOOL_EVENT& aEvent );

    int DrawVia( const TOOL_EVENT& aEvent );

    int PlaceImportedGraphics( const TOOL_EVENT& aEvent );

    int SetAnchor( const TOOL_EVENT& aEvent );

    void setTransitions() override;

private:

    bool drawSegment( const std::string& aTool, PCB_SHAPE** aGraphic,
                      OPT<VECTOR2D> aStartingPoint );

    bool drawArc( const std::string& aTool, PCB_SHAPE** aGraphic, bool aImmediateMode );

    bool getSourceZoneForAction( ZONE_MODE aMode, ZONE** aZone );

    void constrainDimension( DIMENSION_BASE* aDim );

    int getSegmentWidth( PCB_LAYER_ID aLayer ) const;

    KIGFX::VIEW*              m_view;
    KIGFX::VIEW_CONTROLS*     m_controls;
    BOARD*                    m_board;
    PCB_BASE_EDIT_FRAME*      m_frame;
    MODE                      m_mode;

    unsigned int              m_lineWidth;         // Current line width for multi-segment drawing
    static const unsigned int WIDTH_STEP;          // Amount of width change for one -/+ key press


    friend class              ZONE_CREATE_HELPER;  // give internal access to helper classes
};

#endif /* __DRAWING_TOOL_H */