356 lines
12 KiB
C++
356 lines
12 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) 2018-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
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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 <optional>
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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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* 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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IMAGE,
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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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* Return the current drawing mode of the DRAWING_TOOL or #MODE::NONE if not currently in
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* any drawing mode.
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*/
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MODE GetDrawingMode() const;
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/**
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*/
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std::vector<BOARD_ITEM*> DrawBoardCharacteristics( const VECTOR2I& origin, PCB_LAYER_ID aLayer,
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bool aDrawNow, VECTOR2I* tablesize );
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/**
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*/
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std::vector<BOARD_ITEM*> DrawSpecificationStackup( const VECTOR2I& origin, PCB_LAYER_ID aLayer,
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bool aDrawNow, VECTOR2I* tablesize );
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/**
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*/
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int PlaceCharacteristics( const TOOL_EVENT& aEvent );
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/**
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*/
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int PlaceStackup( const TOOL_EVENT& aEvent );
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/**
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* Start interactively drawing a line.
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*
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* After invoking the function it expects the user to click at least two times to determine
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* the origin and the end for a line. If there are more clicks, the line is drawn as a
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* continuous polyline.
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*/
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int DrawLine( const TOOL_EVENT& aEvent );
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/**
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* Start interactively drawing a rectangle.
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*
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* After invoking the function it expects the user to first click on a point that is going
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* to be used as the top-left of the rectangle. The 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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* Start interactively drawing a circle.
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*
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* After invoking the function it expects the user to first click on a point that is going
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* to be used as the center of the circle. The second 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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* Start interactively drawing an arc.
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*
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* After invoking the function it expects the user to first click on a point that is going
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* to be used as the center of the arc. The second click determines the origin and radius,
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* 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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* Display a dialog that allows one to select and image then decide where to place the
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* image in the editor.
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*/
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int PlaceImage( const TOOL_EVENT& aEvent );
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/**
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* Display a dialog that allows one to input text and its settings and then lets the user
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* 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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* Start interactively drawing a dimension.
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*
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* After invoking the function it expects the user to first click on a point that is going
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* to be used as the origin of the dimension. The second click determines the end and the
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* 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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* Start interactively drawing a zone.
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*
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* After invoking the function a zone settings dialog is displayed. After confirmation it
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* allows the user to set points that are going to be used as a boundary polygon of the
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* zone. Double click or clicking on the origin of the boundary polyline finishes the
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* 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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* Place 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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* Interactively place a set of @ref BOARD_ITEM.
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* As a list of BOARD_ITEMs can be resource intesive to move around,
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* we can use a reduced set of BOARD_ITEMs for preview purpose only.
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*
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* @param aEvent
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* @param aItems BOARD_ITEMs to add to the board.
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* @param aPreview BOARD_ITEMs only used during placement / preview.
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* @param aLayers Set of allowed destination when asking the user.
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* If set to NULL, the user is not asked and all BOARD_ITEMs remain on
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* their layers.
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*/
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int InteractivePlaceWithPreview( const TOOL_EVENT& aEvent,
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std::vector<BOARD_ITEM*>& aItems,
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std::vector<BOARD_ITEM*>& aPreview, LSET* aLayers );
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/**
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* Place 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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/**
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* Toggle the horizontal/vertical/45-degree constraint for drawing tools.
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*/
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int ToggleHV45Mode( const TOOL_EVENT& toolEvent );
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///< Set up handlers for various events.
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void setTransitions() override;
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void SetStroke( const STROKE_PARAMS& aStroke, PCB_LAYER_ID aLayer )
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{
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m_layer = aLayer;
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m_stroke = aStroke;
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}
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void UpdateStatusBar() const;
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private:
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/**
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* Start drawing a selected shape (i.e. PCB_SHAPE).
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*
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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 canceled 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 drawShape( const std::string& aTool, PCB_SHAPE** aGraphic, std::optional<VECTOR2D> aStartingPoint );
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/**
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* Start drawing an arc.
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*
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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 canceled 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, std::optional<VECTOR2D> aStartingPoint );
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/**
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* Draw 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 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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* Get a source zone item for an action that takes an existing zone into account (for
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* example a cutout of an existing zone).
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*
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* The source 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, or nullptr if none found, or
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* the action doesn't need a source
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* @return true if a suitable zone was found, or the action doesn't need a zone. False if
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* 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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* Force the dimension lime to be drawn on multiple of 45 degrees.
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*
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* @param aDimension is the dimension element currently being drawn.
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*/
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void constrainDimension( PCB_DIMENSION_BASE* aDim );
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/**
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* Clamps the end vector to respect numeric limits of difference representation
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*
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* @param aOrigin - the origin vector.
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* @param aEnd - the end vector.
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* @return clamped end vector.
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*/
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VECTOR2I getClampedDifferenceEnd( const VECTOR2I& aOrigin, const VECTOR2I& aEnd )
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{
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typedef std::numeric_limits<int> coord_limits;
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const int guardValue = 1;
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VECTOR2I::extended_type maxDiff = coord_limits::max() - guardValue;
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VECTOR2I::extended_type xDiff = VECTOR2I::extended_type( aEnd.x ) - aOrigin.x;
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VECTOR2I::extended_type yDiff = VECTOR2I::extended_type( aEnd.y ) - aOrigin.y;
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if( xDiff > maxDiff )
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xDiff = maxDiff;
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if( yDiff > maxDiff )
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yDiff = maxDiff;
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if( xDiff < -maxDiff )
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xDiff = -maxDiff;
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if( yDiff < -maxDiff )
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yDiff = -maxDiff;
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return aOrigin + VECTOR2I( int( xDiff ), int( yDiff ) );
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}
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/**
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* Clamps the end vector to respect numeric limits of radius representation
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*
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* @param aOrigin - the origin vector.
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* @param aEnd - the end vector.
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* @return clamped end vector.
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*/
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VECTOR2I getClampedRadiusEnd( const VECTOR2I& aOrigin, const VECTOR2I& aEnd )
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{
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typedef std::numeric_limits<int> coord_limits;
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const int guardValue = 10;
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VECTOR2I::extended_type xDiff = VECTOR2I::extended_type( aEnd.x ) - aOrigin.x;
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VECTOR2I::extended_type yDiff = VECTOR2I::extended_type( aEnd.y ) - aOrigin.y;
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double maxRadius = coord_limits::max() / 2 - guardValue;
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double radius = std::hypot( xDiff, yDiff );
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if( radius > maxRadius )
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{
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double scaleFactor = maxRadius / radius;
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xDiff = KiROUND<double, int>( xDiff * scaleFactor );
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yDiff = KiROUND<double, int>( yDiff * scaleFactor );
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}
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return aOrigin + VECTOR2I( int( xDiff ), int( yDiff ) );
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}
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///< Return 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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bool m_inDrawingTool; // Re-entrancy guard
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PCB_LAYER_ID m_layer; // The layer we last drew on
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STROKE_PARAMS m_stroke; // Current stroke for multi-segment drawing
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TEXT_ATTRIBUTES m_textAttrs;
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static const unsigned int WIDTH_STEP; // Amount of width change for one -/+ key press
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static const unsigned int COORDS_PADDING; // Padding from coordinates limits for this tool
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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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