/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2014-2017 CERN * @author Maciej Suminski * * 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 #include #include #include namespace KIGFX { class VIEW; class VIEW_CONTROLS; } class BOARD; class PCB_BASE_EDIT_FRAME; class DRAWSEGMENT; class POLYGON_GEOM_MANAGER; /** * Class 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, 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 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. It has to ///> 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 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 aStartingPoint ); ///> Starts drawing an arc. ///> @param aGraphic is an object that is going to be used by the tool for drawing. It has to ///> 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 ); /** * Run the event loop for polygon creation, sending user input * on to the given POLYGON_GEOM_MANAGER for processing into a * complete polygon. */ void runPolygonEventLoop( POLYGON_GEOM_MANAGER& aPolyGeomMgr ); /** * 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* dimension ); ///> Returns the appropriate width for a segment depending on the settings. int getSegmentWidth( PCB_LAYER_ID aLayer ) const; ///> Selects a non-copper layer for drawing PCB_LAYER_ID getDrawingLayer() const; KIGFX::VIEW* m_view; KIGFX::VIEW_CONTROLS* m_controls; BOARD* m_board; PCB_BASE_EDIT_FRAME* m_frame; MODE m_mode; /// Stores the current line width for multisegment drawing. unsigned int m_lineWidth; // How does line width change after one -/+ key press. static const unsigned int WIDTH_STEP; // give internal access to drawing helper classes friend class ZONE_CREATE_HELPER; }; #endif /* __DRAWING_TOOL_H */