263 lines
11 KiB
C++
263 lines
11 KiB
C++
/**************************/
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/* class_aperture_macro.h */
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/**************************/
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#ifndef _APERTURE_MACRO_H_
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#define _APERTURE_MACRO_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 <jean-pierre.charras@gipsa-lab.inpg.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 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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#include <vector>
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#include <set>
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#include "base_struct.h"
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#include "class_am_param.h"
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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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/**
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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 GetExposure
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* returns the first parameter in integer form. Some but not all primitives
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* use the first parameter as an exposure control.
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*/
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int GetExposure( GERBER_DRAW_ITEM* aParent ) const;
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/**
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* Function mapExposure
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* translates the first parameter from an aperture macro into a current
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* exposure setting.
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* @param aParent = a GERBER_DRAW_ITEM that handle:
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* ** m_Exposure A dynamic setting which can change throughout the
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* reading of the gerber file, and it indicates whether the current tool
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* is lit or not.
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* ** m_ImageNegative A dynamic setting which can change throughout the reading
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* of the gerber file, and it indicates whether the current D codes are to
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* be interpreted as erasures or not.
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* @return true to draw with current color, false to draw with alt color (erase)
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*/
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bool mapExposure( GERBER_DRAW_ITEM* aParent );
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/* Draw functions: */
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/**
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* Function DrawBasicShape
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* Draw the primitive shape for flashed items.
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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 normal color to use
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* @param aAltColor = the color used to draw with "reverse" exposure mode (used in aperture macros only)
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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 DrawBasicShape( GERBER_DRAW_ITEM* aParent, EDA_RECT* aClipBox, wxDC* aDC,
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int aColor, int aAltColor, wxPoint aShapePos, bool aFilledShape );
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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( GERBER_DRAW_ITEM* aParent );
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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( GERBER_DRAW_ITEM* aParent, 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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/**
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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 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 normal color to use
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* @param aAltColor = the color used to draw with "reverse" exposure mode (used in aperture macros only)
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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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int aColor, int aAltColor, 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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/**
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* Function HasNegativeItems
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* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
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* @return true if this macro has at least one shape (using aperture primitives)
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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( GERBER_DRAW_ITEM* aParent );
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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 _APERTURE_MACRO_H_
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