kicad/pcbnew/tools/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) 2018-2022 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 <optional>
#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;
/**
* 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()
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void Reset( RESET_REASON aReason ) override;
///< The possible drawing modes of DRAWING_TOOL
enum class MODE
{
NONE,
LINE,
RECTANGLE,
CIRCLE,
ARC,
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IMAGE,
TEXT,
ANCHOR,
DXF,
DIMENSION,
KEEPOUT,
ZONE,
GRAPHIC_POLYGON,
VIA
};
/**
* Return the current drawing mode of the DRAWING_TOOL or #MODE::NONE if not currently in
* any drawing mode.
*/
MODE GetDrawingMode() const;
/**
*/
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std::vector<BOARD_ITEM*> DrawBoardCharacteristics( const VECTOR2I& origin, PCB_LAYER_ID aLayer,
bool aDrawNow, VECTOR2I* tablesize );
/**
*/
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std::vector<BOARD_ITEM*> DrawSpecificationStackup( const VECTOR2I& origin, PCB_LAYER_ID aLayer,
bool aDrawNow, VECTOR2I* tablesize );
/**
*/
int PlaceCharacteristics( const TOOL_EVENT& aEvent );
/**
*/
int PlaceStackup( const TOOL_EVENT& aEvent );
/**
* Start 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
* continuous polyline.
*/
int DrawLine( const TOOL_EVENT& aEvent );
/**
* Start 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 );
/**
* Start 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 );
/**
* Start 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 );
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/**
* Display a dialog that allows one to select and image then decide where to place the
* image in the editor.
*/
int PlaceImage( const TOOL_EVENT& aEvent );
/**
* Display 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 );
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/**
* Start 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 );
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/**
* Start 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 );
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int DrawVia( const TOOL_EVENT& aEvent );
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/**
* Place a drawing imported from a DXF or SVG file in footprint editor.
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*/
int PlaceImportedGraphics( const TOOL_EVENT& aEvent );
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/**
* Interactively place a set of @ref BOARD_ITEM.
* As a list of BOARD_ITEMs can be resource intesive to move around,
* we can use a reduced set of BOARD_ITEMs for preview purpose only.
*
* @param aEvent
* @param aItems BOARD_ITEMs to add to the board.
* @param aPreview BOARD_ITEMs only used during placement / preview.
* @param aLayers Set of allowed destination when asking the user.
* If set to NULL, the user is not asked and all BOARD_ITEMs remain on
* their layers.
*/
int InteractivePlaceWithPreview( const TOOL_EVENT& aEvent,
std::vector<BOARD_ITEM*>& aItems,
std::vector<BOARD_ITEM*>& aPreview, LSET* aLayers );
/**
* Place the footprint anchor (only in footprint editor).
*/
int SetAnchor( const TOOL_EVENT& aEvent );
/**
* Toggle the horizontal/vertical/45-degree constraint for drawing tools.
*/
int ToggleHV45Mode( const TOOL_EVENT& toolEvent );
///< Set up handlers for various events.
void setTransitions() override;
void SetStroke( const STROKE_PARAMS& aStroke, PCB_LAYER_ID aLayer )
{
m_layer = aLayer;
m_stroke = aStroke;
}
void UpdateStatusBar() const;
private:
/**
* Start drawing a selected shape (i.e. PCB_SHAPE).
*
* @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 PCB_SHAPE. 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 canceled before the origin was set or origin and end are
* the same point.
*/
bool drawShape( const TOOL_EVENT& aTool, PCB_SHAPE** aGraphic,
std::optional<VECTOR2D> aStartingPoint );
/**
* Start 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 canceled before the origin was set or origin and end are
* the same point.
*/
bool drawArc( const TOOL_EVENT& aTool, PCB_SHAPE** aGraphic,
std::optional<VECTOR2D> aStartingPoint );
/**
* Draw 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
*/
/**
* Get 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** aZone );
/**
* Force the dimension lime to be drawn on multiple of 45 degrees.
*
* @param aDimension is the dimension element currently being drawn.
*/
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void constrainDimension( PCB_DIMENSION_BASE* aDim );
/**
* Clamps the end vector to respect numeric limits of difference representation
*
* @param aOrigin - the origin vector.
* @param aEnd - the end vector.
* @return clamped end vector.
*/
VECTOR2I getClampedDifferenceEnd( const VECTOR2I& aOrigin, const VECTOR2I& aEnd )
{
typedef std::numeric_limits<int> coord_limits;
const int guardValue = 1;
VECTOR2I::extended_type maxDiff = coord_limits::max() - guardValue;
VECTOR2I::extended_type xDiff = VECTOR2I::extended_type( aEnd.x ) - aOrigin.x;
VECTOR2I::extended_type yDiff = VECTOR2I::extended_type( aEnd.y ) - aOrigin.y;
if( xDiff > maxDiff )
xDiff = maxDiff;
if( yDiff > maxDiff )
yDiff = maxDiff;
if( xDiff < -maxDiff )
xDiff = -maxDiff;
if( yDiff < -maxDiff )
yDiff = -maxDiff;
return aOrigin + VECTOR2I( int( xDiff ), int( yDiff ) );
}
/**
* Clamps the end vector to respect numeric limits of radius representation
*
* @param aOrigin - the origin vector.
* @param aEnd - the end vector.
* @return clamped end vector.
*/
VECTOR2I getClampedRadiusEnd( const VECTOR2I& aOrigin, const VECTOR2I& aEnd )
{
typedef std::numeric_limits<int> coord_limits;
const int guardValue = 10;
VECTOR2I::extended_type xDiff = VECTOR2I::extended_type( aEnd.x ) - aOrigin.x;
VECTOR2I::extended_type yDiff = VECTOR2I::extended_type( aEnd.y ) - aOrigin.y;
double maxRadius = coord_limits::max() / 2 - guardValue;
double radius = std::hypot( xDiff, yDiff );
if( radius > maxRadius )
{
double scaleFactor = maxRadius / radius;
xDiff = KiROUND<double, int>( xDiff * scaleFactor );
yDiff = KiROUND<double, int>( yDiff * scaleFactor );
}
return aOrigin + VECTOR2I( int( xDiff ), int( yDiff ) );
}
///< Return the appropriate width for a segment depending on the settings.
int getSegmentWidth( PCB_LAYER_ID aLayer ) const;
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KIGFX::VIEW* m_view;
KIGFX::VIEW_CONTROLS* m_controls;
BOARD* m_board;
PCB_BASE_EDIT_FRAME* m_frame;
MODE m_mode;
bool m_inDrawingTool; // Re-entrancy guard
PCB_LAYER_ID m_layer; // The layer we last drew on
STROKE_PARAMS m_stroke; // Current stroke for multi-segment drawing
TEXT_ATTRIBUTES m_textAttrs;
static const unsigned int WIDTH_STEP; // Amount of width change for one -/+ key press
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
};
#endif /* __DRAWING_TOOL_H */