297 lines
10 KiB
C++
297 lines
10 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014-2017 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __DRAWING_TOOL_H
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#define __DRAWING_TOOL_H
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#include <tools/pcb_tool.h>
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#include <boost/optional.hpp>
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#include "tool_menu.h"
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namespace KIGFX
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{
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class VIEW;
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class VIEW_CONTROLS;
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}
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class BOARD;
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class PCB_BASE_EDIT_FRAME;
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class DRAWSEGMENT;
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/**
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* Class DRAWING_TOOL
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*
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* Tool responsible for drawing graphical elements like lines, arcs, circles, etc.
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*/
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class DRAWING_TOOL : public PCB_TOOL
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{
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public:
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DRAWING_TOOL();
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~DRAWING_TOOL();
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/// @copydoc TOOL_INTERACTIVE::Init()
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bool Init() override;
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/// @copydoc TOOL_INTERACTIVE::Reset()
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void Reset( RESET_REASON aReason ) override;
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///> Get the DRAWING_TOOL top-level context menu
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inline TOOL_MENU& GetToolMenu()
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{
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return m_menu;
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}
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///> The possible drawing modes of DRAWING_TOOL
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enum class MODE
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{
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NONE,
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LINE,
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CIRCLE,
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ARC,
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TEXT,
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ANCHOR,
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DXF,
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DIMENSION,
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KEEPOUT,
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ZONE,
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};
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/**
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* Function GetDrawingMode
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*
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* Returns the current drawing mode of the DRAWING_TOOL, or
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* MODE::NONE if not currently in any drawing mode
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*/
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MODE GetDrawingMode() const;
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/**
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* Function DrawLine()
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* Starts interactively drawing a line. After invoking the function it expects the user
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* to click at least two times to determine the origin and the end for a line. If there are
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* more clicks, the line is drawn as a continous polyline.
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*/
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int DrawLine( const TOOL_EVENT& aEvent );
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/**
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* Function DrawCircle()
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* Starts interactively drawing a circle. After invoking the function it expects the user
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* to first click on a point that is going to be used as the center of the circle. The second
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* click determines the circle radius.
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*/
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int DrawCircle( const TOOL_EVENT& aEvent );
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/**
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* Function DrawArc()
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* Starts interactively drawing an arc. After invoking the function it expects the user
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* to first click on a point that is going to be used as the center of the arc. The second
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* click determines the origin and radius, the third one - the angle.
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*/
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int DrawArc( const TOOL_EVENT& aEvent );
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/**
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* Function PlaceText()
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* Displays a dialog that allows to input text and its settings and then lets the user decide
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* where to place the text in editor.
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*/
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int PlaceText( const TOOL_EVENT& aEvent );
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/**
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* Function DrawDimension()
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* Starts interactively drawing a dimension. After invoking the function it expects the user
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* to first click on a point that is going to be used as the origin of the dimension.
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* The second click determines the end and the third click modifies its height.
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*/
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int DrawDimension( const TOOL_EVENT& aEvent );
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/**
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* Function DrawZone()
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* Starts interactively drawing a zone. After invoking the function a zone settings dialog
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* is displayed. After confirmation it allows the user to set points that are going to be used
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* as a boundary polygon of the zone. Double click or clicking on the origin of the boundary
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* polyline finishes the drawing.
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*/
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int DrawZone( const TOOL_EVENT& aEvent );
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/**
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* Function DrawKeepout()
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* Starts interactively drawing a keepout area. After invoking the function an area settings
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* dialog is displayed. After confirmation it allows the user to set points that are going to
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* be used as a boundary polygon of the area. Double click or clicking on the origin of the
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* boundary polyline finishes the drawing.
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*/
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int DrawKeepout( const TOOL_EVENT& aEvent );
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/**
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* Function DrawZoneCutout()
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* Starts interactively drawing a zone cutout area of an existing zone.
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* The normal zone interactive tool is used, but the zone settings
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* dialog is not shown (since the cutout affects only shape of an
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* existing zone).
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*/
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int DrawZoneCutout( const TOOL_EVENT& aEvent );
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/**
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* Function DrawSimilarZone()
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* Starts interactively drawing a zone with same settings as
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* an existing zone.
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* The normal zone interactive tool is used, but the zone settings
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* dialog is not shown at the start.
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*/
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int DrawSimilarZone( const TOOL_EVENT& aEvent );
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/**
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* Function PlaceDXF()
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* Places a drawing imported from a DXF file in module editor.
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*/
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int PlaceDXF( const TOOL_EVENT& aEvent );
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/**
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* Function SetAnchor()
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* Places the footprint anchor (only in module editor).
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*/
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int SetAnchor( const TOOL_EVENT& aEvent );
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///> Sets up handlers for various events.
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void SetTransitions() override;
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private:
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enum class ZONE_MODE
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{
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ADD, ///< Add a new zone/keepout with fresh settings
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CUTOUT, ///< Make a cutout to an existing zone
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SIMILAR ///< Add a new zone with the same settings as an existing one
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};
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///> Shows the context menu for the drawing tool
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///> This menu consists of normal UI functions (zoom, grid, etc)
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///> And any suitable global functions for the active drawing type.
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void showContextMenu();
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///> Starts drawing a selected shape (i.e. DRAWSEGMENT).
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///> @param aShape is the type of created shape (@see STROKE_T).
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///> @param aGraphic is an object that is going to be used by the tool for drawing. It has to
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///> be already created. The tool deletes the object if it is not added to a BOARD.
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///> @return False if the tool was cancelled before the origin was set or origin and end are
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///> the same point.
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bool drawSegment( int aShape, DRAWSEGMENT*& aGraphic,
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boost::optional<VECTOR2D> aStartingPoint = boost::none );
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///> Starts drawing an arc.
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///> @param aGraphic is an object that is going to be used by the tool for drawing. It has to
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///> be already created. The tool deletes the object if it is not added to a BOARD.
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///> @return False if the tool was cancelled before the origin was set or origin and end are
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///> the same point.
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bool drawArc( DRAWSEGMENT*& aGraphic );
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/**
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* Draws a polygon, that is added as a zone or a keepout area.
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*
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* @param aKeepout dictates if the drawn polygon is a zone or a
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* keepout area.
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* @param aMode dictates the mode of the zone tool
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*/
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int drawZone( bool aKeepout, ZONE_MODE aMode );
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/**
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* Function createNewZone()
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*
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* Prompt the user for new zone settings, and create a new zone with
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* those settings
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*
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* @param aKeepout should the zone be a keepout
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* @return the new zone, can be null if the user aborted
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*/
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std::unique_ptr<ZONE_CONTAINER> createNewZone( bool aKeepout );
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/**
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* Function createZoneFromExisting
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*
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* Create a new zone with the settings from an existing zone
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*
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* @param aSrcZone the zone to copy settings from
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* @return the new zone
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*/
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std::unique_ptr<ZONE_CONTAINER> createZoneFromExisting( const ZONE_CONTAINER& aSrcZone );
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/**
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* Function getSourceZoneForAction()
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*
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* Gets a source zone item for an action that takes an existing zone
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* into account (for example a cutout of an existing zone). The source
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* zone is taken from the current selection
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*
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* @param aMode mode of the zone tool
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* @param aZone updated pointer to a suitable source zone,
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* or nullptr if none found, or the action doesn't need a source
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* @return true if a suitable zone was found, or the action doesn't
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* need a zone. False if the action needs a zone but none was found.
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*/
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bool getSourceZoneForAction( ZONE_MODE aMode, ZONE_CONTAINER*& aZone );
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/**
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* Function performZoneCutout()
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*
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* Cut one zone out of another one (i.e. subtraction) and
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* update the zone.
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*
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* @param aExistingZone the zone to removed area from
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* @param aCutout the area to remove
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*/
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void performZoneCutout( ZONE_CONTAINER& aExistingZone, ZONE_CONTAINER& aCutout );
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/**
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* Function make45DegLine()
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* Forces a DRAWSEGMENT to be drawn at multiple of 45 degrees. The origin stays the same,
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* the end of the aSegment is modified according to the current cursor position.
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* @param aSegment is the segment that is currently drawn.
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* @param aHelper is a helper line that shows the next possible segment.
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*/
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void make45DegLine( DRAWSEGMENT* aSegment, DRAWSEGMENT* aHelper ) const;
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///> Returns the appropriate width for a segment depending on the settings.
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int getSegmentWidth( unsigned int aLayer ) const;
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///> Selects a non-copper layer for drawing
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LAYER_ID getDrawingLayer() const;
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KIGFX::VIEW* m_view;
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KIGFX::VIEW_CONTROLS* m_controls;
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BOARD* m_board;
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PCB_BASE_EDIT_FRAME* m_frame;
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MODE m_mode;
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/// Stores the current line width for multisegment drawing.
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unsigned int m_lineWidth;
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/// Menu model displayed by the tool.
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TOOL_MENU m_menu;
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// How does line width change after one -/+ key press.
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static const unsigned int WIDTH_STEP;
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};
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#endif /* __DRAWING_TOOL_H */
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