240 lines
8.5 KiB
C++
240 lines
8.5 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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* Copyright (C) 2018-2020 KiCad Developers, see AUTHORS.txt for contributors.
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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 <core/optional.h>
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#include <tool/tool_menu.h>
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#include <tools/pcb_tool_base.h>
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#include <tools/pcb_actions.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 PCB_SHAPE;
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class POLYGON_GEOM_MANAGER;
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/**
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* 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_BASE
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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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///> 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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RECTANGLE,
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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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GRAPHIC_POLYGON,
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VIA
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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 DrawRectangle()
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* Starts interactively drawing a rectangle. 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 top-left of the rectangle. The
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* second click determines the bottom-right.
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*/
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int DrawRectangle( 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 one to input text and its settings and then
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* lets the user decide 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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* The event parameter indicates which type of zone to draw:
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* ADD add a new zone/keepout with fresh settings
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* CUTOUT add 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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int DrawZone( const TOOL_EVENT& aEvent );
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int DrawVia( const TOOL_EVENT& aEvent );
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/**
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* Function PlaceImportedGraphics()
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* Places a drawing imported from a DXF or SVG file in footprint editor.
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*/
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int PlaceImportedGraphics( const TOOL_EVENT& aEvent );
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/**
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* Function SetAnchor()
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* Places the footprint anchor (only in footprint 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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/**
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* Starts drawing a selected shape (i.e. PCB_SHAPE).
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* @param aGraphic is an object that is going to be used by the tool for drawing. Must be
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* already created. The tool deletes the object if it is not added to a BOARD.
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* @param aStartingPoint is a starting point for this new PCB_SHAPE. If it exists the new
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* item has its start point set to aStartingPoint, and its settings
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* (width, layer) set to the current default values.
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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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*/
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bool drawSegment( const std::string& aTool, PCB_SHAPE** aGraphic,
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OPT<VECTOR2D> aStartingPoint );
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/**
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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. Must be
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* 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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*/
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bool drawArc( const std::string& aTool, PCB_SHAPE** aGraphic, bool aImmediateMode );
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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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* ADD add a new zone/keepout with fresh settings
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* CUTOUT add 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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/**
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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** aZone );
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/**
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* Function constrainDimension()
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* Forces the dimension lime to be drawn on multiple of 45 degrees
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* @param aDimension is the dimension element currently being drawn
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*/
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void constrainDimension( DIMENSION_BASE* aDim );
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///> Returns the appropriate width for a segment depending on the settings.
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int getSegmentWidth( PCB_LAYER_ID aLayer ) 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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unsigned int m_lineWidth; // Current line width for multi-segment drawing
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static const unsigned int WIDTH_STEP; // Amount of width change for one -/+ key press
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friend class ZONE_CREATE_HELPER; // give internal access to helper classes
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};
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#endif /* __DRAWING_TOOL_H */
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