291 lines
10 KiB
C++
291 lines
10 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) 1992-2010 <Jean-Pierre Charras>
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* Copyright (C) 1992-2010 KiCad Developers, see change_log.txt for contributors.
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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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/**
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* @file class_gerber_draw_item.h
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*/
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#ifndef CLASS_GERBER_DRAW_ITEM_H
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#define CLASS_GERBER_DRAW_ITEM_H
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#include "base_struct.h"
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#include "class_board_item.h"
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class GERBER_IMAGE;
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/* Shapes id for basic shapes ( .m_Shape member ) */
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enum Gbr_Basic_Shapes {
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GBR_SEGMENT = 0, // usual segment : line with rounded ends
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GBR_ARC, // Arcs (with rounded ends)
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GBR_CIRCLE, // ring
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GBR_POLYGON, // polygonal shape
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GBR_SPOT_CIRCLE, // flashed shape: round shape (can have hole)
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GBR_SPOT_RECT, // flashed shape: rectangular shape can have hole)
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GBR_SPOT_OVAL, // flashed shape: oval shape
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GBR_SPOT_POLY, // flashed shape: regular polygon, 3 to 12 edges
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GBR_SPOT_MACRO, // complex shape described by a macro
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GBR_LAST // last value for this list
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};
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/***/
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class GERBER_DRAW_ITEM : public BOARD_ITEM
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{
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// make SetNext() and SetBack() private so that they may not be called from anywhere.
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// list management is done on GERBER_DRAW_ITEMs using DLIST<GERBER_DRAW_ITEM> only.
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private:
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void SetNext( EDA_ITEM* aNext ) { Pnext = aNext; }
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void SetBack( EDA_ITEM* aBack ) { Pback = aBack; }
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public:
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bool m_UnitsMetric; /* store here the gerber units (inch/mm). Used
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* only to calculate aperture macros shapes sizes */
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int m_Shape; // Shape and type of this gerber item
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wxPoint m_Start; // Line or arc start point or position of the shape
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// for flashed items
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wxPoint m_End; // Line or arc end point
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wxPoint m_ArcCentre; // for arcs only: Centre of arc
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std::vector <wxPoint> m_PolyCorners; // list of corners for polygons (G36 to G37 coordinates)
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// or for complex shapes which are converted to polygon
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wxSize m_Size; // Flashed shapes: size of the shape
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// Lines : m_Size.x = m_Size.y = line width
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bool m_Flashed; // True for flashed items
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int m_DCode; // DCode used to draw this item.
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// 0 for items that do not use DCodes (polygons)
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// or when unknown and normal values are 10 to 999
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// values 0 to 9 can be used for special purposes
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GERBER_IMAGE* m_imageParams; /* main GERBER info for this item
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* Note: some params stored in this class are common
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* to the whole gerber file (i.e) the whole graphic
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* layer and some can change when reaging the file,
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* so they are stored inside this item there is no
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* redundancy for these parameters
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*/
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private:
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// These values are used to draw this item, according to gerber layers parameters
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// Because they can change inside a gerber image, they are stored here
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// for each item
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bool m_LayerNegative; // true = item in negative Layer
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bool m_swapAxis; // false if A = X, B = Y; true if A =Y, B = Y
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bool m_mirrorA; // true: mirror / axe A
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bool m_mirrorB; // true: mirror / axe B
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wxRealPoint m_drawScale; // A and B scaling factor
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wxPoint m_layerOffset; // Offset for A and B axis, from OF parameter
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double m_lyrRotation; // Fine rotation, from OR parameter, in degrees
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public:
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GERBER_DRAW_ITEM( BOARD_ITEM* aParent, GERBER_IMAGE* aGerberparams );
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GERBER_DRAW_ITEM( const GERBER_DRAW_ITEM& aSource );
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~GERBER_DRAW_ITEM();
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/**
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* Function Copy
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* will copy this object
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* the corresponding type.
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* @return - GERBER_DRAW_ITEM*
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*/
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GERBER_DRAW_ITEM* Copy() const;
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GERBER_DRAW_ITEM* Next() const { return (GERBER_DRAW_ITEM*) Pnext; }
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GERBER_DRAW_ITEM* Back() const { return (GERBER_DRAW_ITEM*) Pback; }
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int ReturnMaskLayer()
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{
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return 1 << m_Layer;
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}
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bool GetLayerPolarity()
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{
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return m_LayerNegative;
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}
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/**
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* Function HasNegativeItems
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* @return true if this item or at least one shape (when using aperture macros
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* must be drawn in background color
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* used to optimize screen refresh (when no items are in background color
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* refresh can be faster)
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*/
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bool HasNegativeItems();
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/**
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* Function SetLayerParameters
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* Initialize parameters from Image and Layer parameters
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* found in the gerber file:
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* m_UnitsMetric,
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* m_MirrorA, m_MirrorB,
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* m_DrawScale, m_DrawOffset
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*/
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void SetLayerParameters();
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void SetLayerPolarity( bool aNegative)
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{
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m_LayerNegative = aNegative;
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}
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/**
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* Function MoveAB
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* move this object.
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* @param aMoveVector - the move vector for this object.
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*/
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void MoveAB( const wxPoint& aMoveVector );
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/**
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* Function MoveXY
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* move this object.
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* @param aMoveVector - the move vector for this object, in XY gerber axis.
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*/
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void MoveXY( const wxPoint& aMoveVector );
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/**
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* Function GetPosition
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* returns the position of this object.
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* @return const wxPoint& - The position of this object.
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* This function exists mainly to satisfy the virtual GetPosition() in parent class
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*/
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wxPoint& GetPosition()
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{
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return m_Start; // it had to be start or end.
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}
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/**
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* Function GetABPosition
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* returns the image position of aPosition for this object.
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* Image position is the value of aPosition, modified by image parameters:
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* offsets, axis selection, scale, rotation
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* @param aXYPosition = position in X,Y gerber axis
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* @return const wxPoint - The given position in plotter A,B axis.
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*/
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wxPoint GetABPosition( const wxPoint& aXYPosition ) const;
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/**
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* Function GetXYPosition
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* returns the image position of aPosition for this object.
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* Image position is the value of aPosition, modified by image parameters:
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* offsets, axis selection, scale, rotation
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* @param aABPosition = position in A,B plotter axis
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* @return const wxPoint - The given position in X,Y axis.
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*/
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wxPoint GetXYPosition( const wxPoint& aABPosition );
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/**
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* Function GetDcodeDescr
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* returns the GetDcodeDescr of this object, or NULL.
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* @return D_CODE* - a pointer to the DCode description (for flashed items).
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*/
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D_CODE* GetDcodeDescr();
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EDA_RECT GetBoundingBox() const;
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/* Display on screen: */
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void Draw( EDA_DRAW_PANEL* aPanel,
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wxDC* aDC,
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int aDrawMode,
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const wxPoint&aOffset = ZeroOffset );
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/**
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* Function ConvertSegmentToPolygon
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* convert a line to an equivalent polygon.
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* Useful when a line is plotted using a rectangular pen.
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* In this case, the usual segment plot function cannot be used
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*/
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void ConvertSegmentToPolygon();
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/**
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* Function DrawGbrPoly
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* a helper function used to draw the polygon stored in m_PolyCorners
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*/
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void DrawGbrPoly( EDA_RECT* aClipBox,
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wxDC* aDC, int aColor,
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const wxPoint& aOffset, bool aFilledShape );
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/* divers */
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int Shape() const { return m_Shape; }
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/**
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* Function DisplayInfo
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* has knowledge about the frame and how and where to put status information
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* about this object into the frame's message panel.
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* Is virtual from EDA_ITEM.
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* Display info about this GERBER item
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* @param frame A EDA_DRAW_FRAME in which to print status information.
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*/
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void DisplayInfo( EDA_DRAW_FRAME* frame );
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wxString ShowGBRShape();
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/**
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* Function HitTest
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* tests if the given wxPoint is within the bounds of this object.
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* @param aRefPos a wxPoint to test
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* @return bool - true if a hit, else false
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*/
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bool HitTest( const wxPoint& aRefPos );
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/**
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* Function HitTest (overloaded)
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* tests if the given wxRect intersect this object.
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* For now, an ending point must be inside this rect.
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* @param aRefArea a wxPoint to test
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* @return bool - true if a hit, else false
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*/
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bool HitTest( EDA_RECT& aRefArea );
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/**
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* Function GetClass
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* returns the class name.
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* @return wxString
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*/
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wxString GetClass() const
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{
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return wxT( "GERBER_DRAW_ITEM" );
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}
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/**
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* Function Save.
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* currently: no nothing, but must be defined to meet requirements
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* of the basic class
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*/
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bool Save( FILE* aFile ) const;
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#if defined(DEBUG)
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/**
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* Function Show
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* is used to output the object tree, currently for debugging only.
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* @param nestLevel An aid to prettier tree indenting, and is the level
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* of nesting of this object within the overall tree.
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* @param os The ostream& to output to.
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*/
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virtual void Show( int nestLevel, std::ostream& os );
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#endif
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};
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#endif /* CLASS_GERBER_DRAW_ITEM_H */
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