/*
* 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 DRAWSEGMENT;
class POLYGON_GEOM_MANAGER;
/**
* DRAWING_TOOL
*
* Tool responsible for drawing graphical elements like lines, arcs, circles, etc.
*/
class DRAWING_TOOL : public PCB_TOOL_BASE
{
public:
DRAWING_TOOL();
~DRAWING_TOOL();
/// @copydoc TOOL_INTERACTIVE::Init()
bool Init() override;
/// @copydoc TOOL_INTERACTIVE::Reset()
void Reset( RESET_REASON aReason ) override;
///> The possible drawing modes of DRAWING_TOOL
enum class MODE
{
NONE,
LINE,
RECTANGLE,
CIRCLE,
ARC,
TEXT,
ANCHOR,
DXF,
DIMENSION,
KEEPOUT,
ZONE,
GRAPHIC_POLYGON,
VIA
};
/**
* Function GetDrawingMode
*
* Returns the current drawing mode of the DRAWING_TOOL, or
* MODE::NONE if not currently in any drawing mode
*/
MODE GetDrawingMode() const;
/**
* Function DrawLine()
* Starts interactively drawing a line. After invoking the function it expects the user
* to click at least two times to determine the origin and the end for a line. If there are
* more clicks, the line is drawn as a continous polyline.
*/
int DrawLine( const TOOL_EVENT& aEvent );
/**
* Function DrawRectangle()
* Starts interactively drawing a rectangle. After invoking the function it expects the user
* to first click on a point that is going to be used as the top-left of the rectangle. The
* second click determines the bottom-right.
*/
int DrawRectangle( const TOOL_EVENT& aEvent );
/**
* Function DrawCircle()
* Starts interactively drawing a circle. After invoking the function it expects the user
* to first click on a point that is going to be used as the center of the circle. The second
* click determines the circle radius.
*/
int DrawCircle( const TOOL_EVENT& aEvent );
/**
* Function DrawArc()
* Starts interactively drawing an arc. After invoking the function it expects the user
* to first click on a point that is going to be used as the center of the arc. The second
* click determines the origin and radius, the third one - the angle.
*/
int DrawArc( const TOOL_EVENT& aEvent );
/**
* Function PlaceText()
* Displays a dialog that allows one to input text and its settings and then
* lets the user decide where to place the text in editor.
*/
int PlaceText( const TOOL_EVENT& aEvent );
/**
* Function DrawDimension()
* Starts interactively drawing a dimension. After invoking the function it expects the user
* to first click on a point that is going to be used as the origin of the dimension.
* The second click determines the end and the third click modifies its height.
*/
int DrawDimension( const TOOL_EVENT& aEvent );
/**
* Function DrawZone()
* Starts interactively drawing a zone. After invoking the function a zone settings dialog
* is displayed. After confirmation it allows the user to set points that are going to be used
* as a boundary polygon of the zone. Double click or clicking on the origin of the boundary
* polyline finishes the drawing.
*
* The event parameter indicates which type of zone to draw:
* ADD add a new zone/keepout with fresh settings
* CUTOUT add a cutout to an existing zone
* SIMILAR add a new zone with the same settings as an existing one
*/
int DrawZone( const TOOL_EVENT& aEvent );
int DrawVia( const TOOL_EVENT& aEvent );
/**
* Function PlaceImportedGraphics()
* Places a drawing imported from a DXF or SVG file in module editor.
*/
int PlaceImportedGraphics( const TOOL_EVENT& aEvent );
/**
* Function SetAnchor()
* Places the footprint anchor (only in module editor).
*/
int SetAnchor( const TOOL_EVENT& aEvent );
///> Sets up handlers for various events.
void setTransitions() override;
private:
/**
* Starts drawing a selected shape (i.e. DRAWSEGMENT).
* @param aShape is the type of created shape (@see STROKE_T).
* @param aGraphic is an object that is going to be used by the tool for drawing. Must be
* already created. The tool deletes the object if it is not added to a BOARD.
* @param aStartingPoint is a starting point for this new DRAWSEGMENT. If it exists the new
* item has its start point set to aStartingPoint, and its settings
* (width, layer) set to the current default values.
* @return False if the tool was cancelled before the origin was set or origin and end are
* the same point.
*/
bool drawSegment( const std::string& aTool, int aShape, DRAWSEGMENT** aGraphic,
OPT<VECTOR2D> aStartingPoint );
/**
* Starts drawing an arc.
* @param aGraphic is an object that is going to be used by the tool for drawing. Must be
* already created. The tool deletes the object if it is not added to a BOARD.
* @return False if the tool was cancelled before the origin was set or origin and end are
* the same point.
*/
bool drawArc( const std::string& aTool, DRAWSEGMENT** aGraphic, bool aImmediateMode );
/**
* Draws a polygon, that is added as a zone or a keepout area.
*
* @param aKeepout dictates if the drawn polygon is a zone or a
* keepout area.
* @param aMode dictates the mode of the zone tool:
* ADD add a new zone/keepout with fresh settings
* CUTOUT add a cutout to an existing zone
* SIMILAR add a new zone with the same settings as an existing one
*/
/**
* Function getSourceZoneForAction()
*
* Gets a source zone item for an action that takes an existing zone
* into account (for example a cutout of an existing zone). The source
* zone is taken from the current selection
*
* @param aMode mode of the zone tool
* @param aZone updated pointer to a suitable source zone,
* or nullptr if none found, or the action doesn't need a source
* @return true if a suitable zone was found, or the action doesn't
* need a zone. False if the action needs a zone but none was found.
*/
bool getSourceZoneForAction( ZONE_MODE aMode, ZONE_CONTAINER** aZone );
/**
* Function constrainDimension()
* Forces the dimension lime to be drawn on multiple of 45 degrees
* @param aDimension is the dimension element currently being drawn
*/
void constrainDimension( DIMENSION* aDim );
///> Returns the appropriate width for a segment depending on the settings.
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 with one -/+ key press
// give internal access to drawing helper classes
friend class ZONE_CREATE_HELPER;
};
#endif /* __DRAWING_TOOL_H */