262 lines
10 KiB
C++
262 lines
10 KiB
C++
/**
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* @file aperture_macro.h
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*/
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#ifndef AM_PRIMITIVE_H
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#define AM_PRIMITIVE_H
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/*
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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 <jp.charras at wanadoo.fr>
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* Copyright (C) 2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 1992-2010 KiCad Developers, see AUTHORS.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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#include <vector>
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#include <set>
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#include <am_param.h>
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#include <eda_rect.h>
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class SHAPE_POLY_SET;
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/*
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* An aperture macro defines a complex shape and is a list of aperture primitives.
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* Each aperture primitive defines a simple shape (circle, rect, regular polygon...)
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* Inside a given aperture primitive, a fixed list of parameters defines info
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* about the shape: size, thickness, number of vertex ...
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*
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* Each parameter can be an immediate value or a defered value.
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* When value is defered, it is defined when the aperture macro is instancied by
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* an ADD macro command
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* Note also a defered parameter can be defined in aperture macro,
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* but outside aperture primitives. Example
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* %AMRECTHERM*
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* $4=$3/2* parameter $4 is half value of parameter $3
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* 21,1,$1-$3,$2-$3,0-$1/2-$4,0-$2/2-$4,0*
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* For the aperture primitive, parameters $1 to $3 will be defined in ADD command,
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* and $4 is defined inside the macro
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*
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* Each basic shape can be a positive shape or a negative shape.
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* a negative shape is "local" to the whole shape.
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* It must be seen like a hole in the shape, and not like a standard negative object.
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*/
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/**
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* Enum AM_PRIMITIVE_ID
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* is the set of all "aperture macro primitives" (primitive numbers). See
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* Table 3 in http://gerbv.sourceforge.net/docs/rs274xrevd_e.pdf
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* aperture macro primitives are basic shapes which can be combined to create a complex shape
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* This complex shape is flashed.
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*/
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enum AM_PRIMITIVE_ID {
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AMP_UNKNOWN = -1, // A value for uninitialized AM_PRIMITIVE.
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AMP_COMMENT = 0, // A primitive description is not really a primitive, this is a comment
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AMP_CIRCLE = 1, // Circle. (diameter and position)
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AMP_LINE2 = 2, // Line with rectangle ends. (Width, start and end pos + rotation)
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AMP_LINE20 = 20, // Same as AMP_LINE2
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AMP_LINE_CENTER = 21, // Rectangle. (height, width and center pos + rotation)
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AMP_LINE_LOWER_LEFT = 22, // Rectangle. (height, width and left bottom corner pos + rotation)
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AMP_EOF = 3, // End Of File marquer: not really a shape
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AMP_OUTLINE = 4, // Free polyline (n corners + rotation)
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AMP_POLYGON = 5, // Closed regular polygon(diameter, number of vertices (3 to 10), rotation)
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AMP_MOIRE = 6, // A cross hair with n concentric circles + rotation
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AMP_THERMAL = 7 // Thermal shape (pos, outer and inner diameter, cross hair thickness + rotation)
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};
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/**
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* Struct AM_PRIMITIVE
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* holds an aperture macro primitive as given in Table 3 of
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* http://gerbv.sourceforge.net/docs/rs274xrevd_e.pdf
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*/
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class AM_PRIMITIVE
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{
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public:
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AM_PRIMITIVE_ID primitive_id; ///< The primitive type
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AM_PARAMS params; ///< A sequence of parameters used by
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// the primitive
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bool m_GerbMetric; // units for this primitive:
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// false = Inches, true = metric
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public: AM_PRIMITIVE( bool aGerbMetric, AM_PRIMITIVE_ID aId = AMP_UNKNOWN )
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{
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primitive_id = aId;
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m_GerbMetric = aGerbMetric;
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}
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~AM_PRIMITIVE() {}
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/**
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* Function IsAMPrimitiveExposureOn
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* @return true if the first parameter is not 0 (it can be only 0 or 1).
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* Some but not all primitives use the first parameter as an exposure control.
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* Others are always ON.
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* In a aperture macro shape, a basic primitive with exposure off is a hole in the shape
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* it is NOT a negative shape
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*/
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bool IsAMPrimitiveExposureOn( const GERBER_DRAW_ITEM* aParent ) const;
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/* Draw functions: */
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/** GetShapeDim
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* Calculate a value that can be used to evaluate the size of text
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* when displaying the D-Code of an item
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* due to the complexity of the shape of some primitives
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* one cannot calculate the "size" of a shape (only a bounding box)
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* but here, the "dimension" of the shape is the diameter of the primitive
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* or for lines the width of the line
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* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
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* @return a dimension, or -1 if no dim to calculate
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*/
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int GetShapeDim( const GERBER_DRAW_ITEM* aParent );
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/**
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* Function drawBasicShape
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* Draw (in fact generate the actual polygonal shape of) the primitive shape of an aperture macro instance.
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* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
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* @param aShapeBuffer = a SHAPE_POLY_SET to put the shape converted to a polygon
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* @param aShapePos = the actual shape position
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*/
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void DrawBasicShape( const GERBER_DRAW_ITEM* aParent,
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SHAPE_POLY_SET& aShapeBuffer,
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wxPoint aShapePos );
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private:
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/**
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* Function ConvertShapeToPolygon
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* convert a shape to an equivalent polygon.
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* Arcs and circles are approximated by segments
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* Useful when a shape is not a graphic primitive (shape with hole,
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* rotated shape ... ) and cannot be easily drawn.
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*/
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void ConvertShapeToPolygon( const GERBER_DRAW_ITEM* aParent,
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std::vector<wxPoint>& aBuffer );
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};
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typedef std::vector<AM_PRIMITIVE> AM_PRIMITIVES;
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/**
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* Struct APERTURE_MACRO
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* helps support the "aperture macro" defined within standard RS274X.
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*/
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struct APERTURE_MACRO
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{
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wxString name; ///< The name of the aperture macro
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AM_PRIMITIVES primitives; ///< A sequence of AM_PRIMITIVEs
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/* A defered parameter can be defined in aperture macro,
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* but outside aperture primitives. Example
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* %AMRECTHERM*
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* $4=$3/2* parameter $4 is half value of parameter $3
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* m_localparamStack handle a list of local defered parameters
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*/
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AM_PARAMS m_localparamStack;
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SHAPE_POLY_SET m_shape; ///< The shape of the item, calculated by GetApertureMacroShape
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EDA_RECT m_boundingBox; ///< The bounding box of the item, calculated by GetApertureMacroShape
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/**
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* function GetLocalParam
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* Usually, parameters are defined inside the aperture primitive
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* using immediate mode or defered mode.
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* in defered mode the value is defined in a DCODE that want to use the aperture macro.
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* But some parameters are defined outside the aperture primitive
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* and are local to the aperture macro
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* @return the value of a defered parameter defined inside the aperture macro
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* @param aDcode = the D_CODE that uses this apertur macro and define defered parameters
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* @param aParamId = the param id (defined by $3 or $5 ..) to evaluate
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*/
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double GetLocalParam( const D_CODE* aDcode, unsigned aParamId ) const;
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/**
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* Function GetApertureMacroShape
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* Calculate the primitive shape for flashed items.
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* When an item is flashed, this is the shape of the item
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* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
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* @return The shape of the item
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*/
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SHAPE_POLY_SET* GetApertureMacroShape( const GERBER_DRAW_ITEM* aParent, wxPoint aShapePos );
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/**
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* Function DrawApertureMacroShape
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* Draw the primitive shape for flashed items.
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* When an item is flashed, this is the shape of the item
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* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
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* @param aClipBox = DC clip box (NULL is no clip)
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* @param aDC = device context
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* @param aColor = the color of shape
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* @param aShapePos = the actual shape position
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* @param aFilledShape = true to draw in filled mode, false to draw in skecth mode
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*/
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void DrawApertureMacroShape( GERBER_DRAW_ITEM* aParent, EDA_RECT* aClipBox, wxDC* aDC,
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COLOR4D aColor, wxPoint aShapePos, bool aFilledShape );
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/**
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* Function GetShapeDim
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* Calculate a value that can be used to evaluate the size of text
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* when displaying the D-Code of an item
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* due to the complexity of a shape using many primitives
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* one cannot calculate the "size" of a shape (only abounding box)
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* but most of aperture macro are using one or few primitives
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* and the "dimension" of the shape is the diameter of the primitive
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* (or the max diameter of primitives)
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* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
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* @return a dimension, or -1 if no dim to calculate
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*/
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int GetShapeDim( GERBER_DRAW_ITEM* aParent );
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/// Returns the bounding box of the shape
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EDA_RECT GetBoundingBox() const
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{
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return m_boundingBox;
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}
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};
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/**
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* Struct APERTURE_MACRO_less_than
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* is used by std:set<APERTURE_MACRO> instantiation which uses
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* APERTURE_MACRO.name as its key.
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*/
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struct APERTURE_MACRO_less_than
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{
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// a "less than" test on two APERTURE_MACROs (.name wxStrings)
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bool operator()( const APERTURE_MACRO& am1, const APERTURE_MACRO& am2 ) const
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{
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return am1.name.Cmp( am2.name ) < 0; // case specific wxString compare
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}
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};
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/**
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* Type APERTURE_MACRO_SET
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* is a sorted collection of APERTURE_MACROS whose key is the name field in
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* the APERTURE_MACRO.
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*/
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typedef std::set<APERTURE_MACRO, APERTURE_MACRO_less_than> APERTURE_MACRO_SET;
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typedef std::pair<APERTURE_MACRO_SET::iterator, bool> APERTURE_MACRO_SET_PAIR;
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#endif // ifndef AM_PRIMITIVE_H
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