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1192 lines
36 KiB
1192 lines
36 KiB
/*
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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) 2007-2016 Jean-Pierre Charras jp.charras at wanadoo.fr
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* Copyright (C) 1992-2016 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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/**
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* @file rs274x.cpp
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*/
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#include <fctsys.h>
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#include <common.h>
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#include <macros.h>
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#include <base_units.h>
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#include <gerbview.h>
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#include <class_gerber_file_image.h>
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#include <class_X2_gerber_attributes.h>
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extern int ReadInt( char*& text, bool aSkipSeparator = true );
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extern double ReadDouble( char*& text, bool aSkipSeparator = true );
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extern bool GetEndOfBlock( char* buff, char*& text, FILE* gerber_file );
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#define CODE( x, y ) ( ( (x) << 8 ) + (y) )
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// See rs274xrevd_e.pdf, table 1: RS-274X parameters order of entry
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// in gerber files, when a coordinate is given (like X78Y600 or I0J80):
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// Y and Y are logical coordinates
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// A and B are plotter coordiantes
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// Usually A = X, B = Y
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// But we can have A = Y, B = X and/or offset, mirror, scale;
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// Also:
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// Image is what you must plot (the entire data of the file).
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// Layer is just a set of data blocks with their parameters. An image can have more than one
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// layer so a gerber layer is not like a board layer or the graphic layers used in GerbView
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// to show a file.
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enum RS274X_PARAMETERS {
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// Directive parameters: single usage recommended
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// Must be at the beginning of the file
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AXIS_SELECT = CODE( 'A', 'S' ), // Default: A=X, B=Y
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FORMAT_STATEMENT = CODE( 'F', 'S' ), // no default: this command must exists
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MIRROR_IMAGE = CODE( 'M', 'I' ), // Default: mo mirror
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MODE_OF_UNITS = CODE( 'M', 'O' ), // Default: inch
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INCH = CODE( 'I', 'N' ),
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MILLIMETER = CODE( 'M', 'M' ),
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OFFSET = CODE( 'O', 'F' ), // Default: A = 0, B = 0
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SCALE_FACTOR = CODE( 'S', 'F' ), // Default: A = 1.0, B = 1.0
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// Image parameters:
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// commands used only once at the beginning of the file
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IMAGE_JUSTIFY = CODE( 'I', 'J' ), // Default: no justification
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IMAGE_NAME = CODE( 'I', 'N' ), // Default: void
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IMAGE_OFFSET = CODE( 'I', 'O' ), // Default: A = 0, B = 0
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IMAGE_POLARITY = CODE( 'I', 'P' ), // Default: Positive
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IMAGE_ROTATION = CODE( 'I', 'R' ), // Default: 0
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PLOTTER_FILM = CODE( 'P', 'M' ),
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// Aperture parameters:
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// Usually for the whole file
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AP_DEFINITION = CODE( 'A', 'D' ),
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AP_MACRO = CODE( 'A', 'M' ),
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// X2 extention attribute commands
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// Mainly are found standard attributes and user attributes
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// standard attributes commands are:
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// TF (file attribute) TO (net attribute)
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// TA (aperture attribute) and TD (delete aperture attribute)
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FILE_ATTRIBUTE = CODE( 'T', 'F' ),
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// X2 extention Net attribute info
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// Net attribute options are:
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// TO (net attribute data): TO.CN or TO.P TO.N or TO.C
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NET_ATTRIBUTE = CODE( 'T', 'O' ),
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// X2 extention Aperture attribute TA
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APERTURE_ATTRIBUTE = CODE( 'T', 'A' ),
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// TD (delete aperture/object attribute):
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// Delete aperture attribute added by %TA or Oblect attribute added b %TO
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// TD (delete all) or %TD<attr name> to delete <attr name>.
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// eg: TD.P or TD.N or TD.C ...
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REMOVE_APERTURE_ATTRIBUTE = CODE( 'T', 'D' ),
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// Layer specific parameters
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// May be used singly or may be layer specfic
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// theses parameters are at the beginning of the file or layer
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// and reset some layer parameters (like interpolation)
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LAYER_NAME = CODE( 'L', 'N' ), // Default: Positive
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LAYER_POLARITY = CODE( 'L', 'P' ),
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KNOCKOUT = CODE( 'K', 'O' ), // Default: off
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STEP_AND_REPEAT = CODE( 'S', 'R' ), // Default: A = 1, B = 1
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ROTATE = CODE( 'R', 'O' ), // Default: 0
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// Miscellaneous parameters:
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INCLUDE_FILE = CODE( 'I', 'F' )
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};
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/**
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* Function ReadXCommand
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* reads in two bytes of data and assembles them into an int with the first
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* byte in the sequence put into the most significant part of a 16 bit value
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* and the second byte put into the least significant part of the 16 bit value.
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* @param text A reference to a pointer to read bytes from and to advance as
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* they are read.
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* @return int - with 16 bits of data in the ls bits, upper bits zeroed.
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*/
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static int ReadXCommand( char*& text )
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{
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int result;
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int currbyte;
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if( text && *text )
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{
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currbyte = *text++;
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result = ( currbyte & 0xFF ) << 8;
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}
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else
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return -1;
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if( text && *text )
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{
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currbyte = *text++;
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result += currbyte & 0xFF;
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}
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else
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return -1;
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return result;
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}
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/**
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* convert a string read from a gerber file to an unicode string
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* usual chars are just copied. \hhhh values are converted to
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* the unicoade char value
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*/
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static const wxString fromGerberString( const wxString& aGbrString )
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{
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wxString text;
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for( unsigned ii = 0; ii < aGbrString.size(); ++ii )
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{
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if( aGbrString[ii] == '\\' )
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{
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unsigned value = 0;
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for( int jj = 0; jj < 4; jj++ )
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{ // Convert 4 hexa digits to binary value:
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ii++;
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value <<= 4;
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int digit = aGbrString[ii];
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if( digit >= '0' && digit <= '9' )
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digit -= '0';
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else if( digit >= 'A' && digit <= 'F' )
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digit -= 'A' - 10;
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else if( digit >= 'a' && digit <= 'f' )
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digit -= 'a' - 10;
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else digit = 0;
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value += digit & 0xF;
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}
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text.Append( wxUniChar( value ) );
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}
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else
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text.Append( aGbrString[ii] );
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}
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return text;
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}
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bool GERBER_FILE_IMAGE::ReadRS274XCommand( char* buff, char*& text )
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{
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bool ok = true;
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int code_command;
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text++;
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for( ; ; )
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{
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while( *text )
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{
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switch( *text )
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{
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case '%': // end of command
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text++;
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m_CommandState = CMD_IDLE;
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goto exit; // success completion
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case ' ':
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case '\r':
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case '\n':
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text++;
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break;
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case '*':
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text++;
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break;
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default:
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code_command = ReadXCommand( text );
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ok = ExecuteRS274XCommand( code_command, buff, text );
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if( !ok )
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goto exit;
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break;
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}
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}
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// end of current line, read another one.
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if( fgets( buff, GERBER_BUFZ, m_Current_File ) == NULL )
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{
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// end of file
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ok = false;
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break;
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}
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text = buff;
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}
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exit:
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return ok;
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}
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bool GERBER_FILE_IMAGE::ExecuteRS274XCommand( int command, char* buff, char*& text )
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{
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int code;
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int seq_len; // not used, just provided
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int seq_char;
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bool ok = true;
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char line[GERBER_BUFZ];
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wxString msg;
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double fcoord;
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bool x_fmt_known = false;
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bool y_fmt_known = false;
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// conv_scale = scaling factor from inch to Internal Unit
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double conv_scale = IU_PER_MILS * 1000;
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if( m_GerbMetric )
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conv_scale /= 25.4;
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// DBG( printf( "%22s: Command <%c%c>\n", __func__, (command >> 8) & 0xFF, command & 0xFF ); )
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switch( command )
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{
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case FORMAT_STATEMENT:
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seq_len = 2;
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while( *text != '*' )
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{
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switch( *text )
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{
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case ' ':
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text++;
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break;
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case 'L': // No Leading 0
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m_DecimalFormat = false;
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m_NoTrailingZeros = false;
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text++;
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break;
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case 'T': // No trailing 0
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m_DecimalFormat = false;
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m_NoTrailingZeros = true;
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text++;
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break;
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case 'A': // Absolute coord
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m_Relative = false;
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text++;
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break;
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case 'I': // Relative coord
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m_Relative = true;
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text++;
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break;
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case 'G':
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case 'N': // Sequence code (followed by one digit: the sequence len)
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// (sometimes found before the X,Y sequence)
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// Obscure option
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text++;
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seq_char = *text++;
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if( (seq_char >= '0') && (seq_char <= '9') )
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seq_len = seq_char - '0';
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break;
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case 'D':
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case 'M': // Sequence code (followed by one digit: the sequence len)
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// (sometimes found after the X,Y sequence)
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// Obscure option
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code = *text++;
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if( ( *text >= '0' ) && ( *text<= '9' ) )
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text++; // skip the digit
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else if( code == 'D' )
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// Decimal format: sometimes found, but not really documented
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m_DecimalFormat = true;
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break;
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case 'X':
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case 'Y':
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{
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code = *(text++);
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char ctmp = *(text++) - '0';
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if( code == 'X' )
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{
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x_fmt_known = true;
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// number of digits after the decimal point (0 to 7 allowed)
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m_FmtScale.x = *text - '0';
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m_FmtLen.x = ctmp + m_FmtScale.x;
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// m_FmtScale is 0 to 7
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// (Old Gerber specification was 0 to 6)
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if( m_FmtScale.x < 0 )
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m_FmtScale.x = 0;
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if( m_FmtScale.x > 7 )
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m_FmtScale.x = 7;
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}
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else
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{
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y_fmt_known = true;
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m_FmtScale.y = *text - '0';
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m_FmtLen.y = ctmp + m_FmtScale.y;
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if( m_FmtScale.y < 0 )
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m_FmtScale.y = 0;
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if( m_FmtScale.y > 7 )
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m_FmtScale.y = 7;
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}
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text++;
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}
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break;
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case '*':
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break;
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default:
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msg.Printf( wxT( "Unknown id (%c) in FS command" ),
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*text );
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AddMessageToList( msg );
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GetEndOfBlock( buff, text, m_Current_File );
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ok = false;
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break;
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}
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}
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if( !x_fmt_known || !y_fmt_known )
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AddMessageToList( wxT( "RS274X: Format Statement (FS) without X or Y format" ) );
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break;
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case AXIS_SELECT: // command ASAXBY*% or %ASAYBX*%
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m_SwapAxis = false;
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if( strncasecmp( text, "AYBX", 4 ) == 0 )
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m_SwapAxis = true;
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break;
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case MIRROR_IMAGE: // command %MIA0B0*%, %MIA0B1*%, %MIA1B0*%, %MIA1B1*%
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m_MirrorA = m_MirrorB = 0;
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while( *text && *text != '*' )
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{
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switch( *text )
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{
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case 'A': // Mirror A axis ?
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text++;
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if( *text == '1' )
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m_MirrorA = true;
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break;
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case 'B': // Mirror B axis ?
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text++;
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if( *text == '1' )
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m_MirrorB = true;
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break;
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default:
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text++;
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break;
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}
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}
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break;
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case MODE_OF_UNITS:
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code = ReadXCommand( text );
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if( code == INCH )
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m_GerbMetric = false;
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else if( code == MILLIMETER )
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m_GerbMetric = true;
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conv_scale = m_GerbMetric ? IU_PER_MILS / 25.4 : IU_PER_MILS;
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break;
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case FILE_ATTRIBUTE: // Command %TF ...
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m_IsX2_file = true;
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{
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X2_ATTRIBUTE dummy;
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dummy.ParseAttribCmd( m_Current_File, buff, GERBER_BUFZ, text );
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if( dummy.IsFileFunction() )
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{
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delete m_FileFunction;
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m_FileFunction = new X2_ATTRIBUTE_FILEFUNCTION( dummy );
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}
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else if( dummy.IsFileMD5() )
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{
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m_MD5_value = dummy.GetPrm( 1 );
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}
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else if( dummy.IsFilePart() )
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{
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m_PartString = dummy.GetPrm( 1 );
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}
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}
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break;
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|
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case APERTURE_ATTRIBUTE: // Command %TA ... Not yet supported
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{
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X2_ATTRIBUTE dummy;
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dummy.ParseAttribCmd( m_Current_File, buff, GERBER_BUFZ, text );
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|
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if( dummy.GetAttribute() == ".AperFunction" )
|
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{
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m_AperFunction = dummy.GetPrm( 1 );
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|
|
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// A few function values can have other parameters. Add them
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for( int ii = 2; ii < dummy.GetPrmCount(); ii++ )
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m_AperFunction << "," << dummy.GetPrm( ii );
|
|
}
|
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}
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break;
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|
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case NET_ATTRIBUTE: // Command %TO currently %TO.P %TO.N and %TO.C
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{
|
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X2_ATTRIBUTE dummy;
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|
|
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dummy.ParseAttribCmd( m_Current_File, buff, GERBER_BUFZ, text );
|
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|
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if( dummy.GetAttribute() == ".N" )
|
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{
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m_NetAttributeDict.m_NetAttribType |= GBR_NETLIST_METADATA::GBR_NETINFO_NET;
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m_NetAttributeDict.m_Netname = fromGerberString( dummy.GetPrm( 1 ) );
|
|
}
|
|
else if( dummy.GetAttribute() == ".C" )
|
|
{
|
|
m_NetAttributeDict.m_NetAttribType |= GBR_NETLIST_METADATA::GBR_NETINFO_CMP;
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m_NetAttributeDict.m_Cmpref = fromGerberString( dummy.GetPrm( 1 ) );
|
|
}
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else if( dummy.GetAttribute() == ".P" )
|
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{
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m_NetAttributeDict.m_NetAttribType |= GBR_NETLIST_METADATA::GBR_NETINFO_PAD;
|
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m_NetAttributeDict.m_Cmpref = fromGerberString( dummy.GetPrm( 1 ) );
|
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m_NetAttributeDict.m_Padname = fromGerberString( dummy.GetPrm( 2 ) );
|
|
}
|
|
}
|
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break;
|
|
|
|
case REMOVE_APERTURE_ATTRIBUTE: // Command %TD ...
|
|
{
|
|
X2_ATTRIBUTE dummy;
|
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dummy.ParseAttribCmd( m_Current_File, buff, GERBER_BUFZ, text );
|
|
RemoveAttribute( dummy );
|
|
}
|
|
break;
|
|
|
|
case OFFSET: // command: OFAnnBnn (nn = float number) = layer Offset
|
|
m_Offset.x = m_Offset.y = 0;
|
|
while( *text != '*' )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case 'A': // A axis offset in current unit (inch or mm)
|
|
text++;
|
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fcoord = ReadDouble( text );
|
|
m_Offset.x = KiROUND( fcoord * conv_scale );
|
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break;
|
|
|
|
case 'B': // B axis offset in current unit (inch or mm)
|
|
text++;
|
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fcoord = ReadDouble( text );
|
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m_Offset.y = KiROUND( fcoord * conv_scale );
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SCALE_FACTOR:
|
|
m_Scale.x = m_Scale.y = 1.0;
|
|
while( *text != '*' )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case 'A': // A axis scale
|
|
text++;
|
|
m_Scale.x = ReadDouble( text );
|
|
break;
|
|
|
|
case 'B': // B axis scale
|
|
text++;
|
|
m_Scale.y = ReadDouble( text );
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case IMAGE_OFFSET: // command: IOAnnBnn (nn = float number) = Image Offset
|
|
m_ImageOffset.x = m_ImageOffset.y = 0;
|
|
while( *text != '*' )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case 'A': // A axis offset in current unit (inch or mm)
|
|
text++;
|
|
fcoord = ReadDouble( text );
|
|
m_ImageOffset.x = KiROUND( fcoord * conv_scale );
|
|
break;
|
|
|
|
case 'B': // B axis offset in current unit (inch or mm)
|
|
text++;
|
|
fcoord = ReadDouble( text );
|
|
m_ImageOffset.y = KiROUND( fcoord * conv_scale );
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case IMAGE_ROTATION: // command IR0* or IR90* or IR180* or IR270*
|
|
if( strncasecmp( text, "0*", 2 ) == 0 )
|
|
m_ImageRotation = 0;
|
|
else if( strncasecmp( text, "90*", 3 ) == 0 )
|
|
m_ImageRotation = 90;
|
|
else if( strncasecmp( text, "180*", 4 ) == 0 )
|
|
m_ImageRotation = 180;
|
|
else if( strncasecmp( text, "270*", 4 ) == 0 )
|
|
m_ImageRotation = 270;
|
|
else
|
|
AddMessageToList( _( "RS274X: Command \"IR\" rotation value not allowed" ) );
|
|
break;
|
|
|
|
case STEP_AND_REPEAT: // command SR, like %SRX3Y2I5.0J2*%
|
|
m_Iterpolation = GERB_INTERPOL_LINEAR_1X; // Start a new Gerber layer
|
|
GetLayerParams().m_StepForRepeat.x = 0.0;
|
|
GetLayerParams().m_StepForRepeat.x = 0.0; // offset for Step and Repeat command
|
|
GetLayerParams().m_XRepeatCount = 1;
|
|
GetLayerParams().m_YRepeatCount = 1; // The repeat count
|
|
GetLayerParams().m_StepForRepeatMetric = m_GerbMetric; // the step units
|
|
while( *text && *text != '*' )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case 'I': // X axis offset
|
|
text++;
|
|
GetLayerParams().m_StepForRepeat.x = ReadDouble( text );
|
|
break;
|
|
|
|
case 'J': // Y axis offset
|
|
text++;
|
|
GetLayerParams().m_StepForRepeat.y = ReadDouble( text );
|
|
break;
|
|
|
|
case 'X': // X axis repeat count
|
|
text++;
|
|
GetLayerParams().m_XRepeatCount = ReadInt( text );
|
|
break;
|
|
|
|
case 'Y': // Y axis offset
|
|
text++;
|
|
GetLayerParams().m_YRepeatCount = ReadInt( text );
|
|
break;
|
|
default:
|
|
text++;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case IMAGE_JUSTIFY: // Command IJAnBn*
|
|
m_ImageJustifyXCenter = false; // Image Justify Center on X axis (default = false)
|
|
m_ImageJustifyYCenter = false; // Image Justify Center on Y axis (default = false)
|
|
m_ImageJustifyOffset = wxPoint(0,0); // Image Justify Offset on XY axis (default = 0,0)
|
|
while( *text && *text != '*' )
|
|
{
|
|
// IJ command is (for A or B axis) AC or AL or A<coordinate>
|
|
switch( *text )
|
|
{
|
|
case 'A': // A axis justify
|
|
text++;
|
|
if( *text == 'C' )
|
|
{
|
|
m_ImageJustifyXCenter = true;
|
|
text++;
|
|
}
|
|
else if( *text == 'L' )
|
|
{
|
|
m_ImageJustifyXCenter = true;
|
|
text++;
|
|
}
|
|
else m_ImageJustifyOffset.x = KiROUND( ReadDouble( text ) * conv_scale);
|
|
break;
|
|
|
|
case 'B': // B axis justify
|
|
text++;
|
|
if( *text == 'C' )
|
|
{
|
|
m_ImageJustifyYCenter = true;
|
|
text++;
|
|
}
|
|
else if( *text == 'L' )
|
|
{
|
|
m_ImageJustifyYCenter = true;
|
|
text++;
|
|
}
|
|
else m_ImageJustifyOffset.y = KiROUND( ReadDouble( text ) * conv_scale);
|
|
break;
|
|
default:
|
|
text++;
|
|
break;
|
|
}
|
|
}
|
|
if( m_ImageJustifyXCenter )
|
|
m_ImageJustifyOffset.x = 0;
|
|
if( m_ImageJustifyYCenter )
|
|
m_ImageJustifyOffset.y = 0;
|
|
break;
|
|
|
|
case KNOCKOUT:
|
|
m_Iterpolation = GERB_INTERPOL_LINEAR_1X; // Start a new Gerber layer
|
|
msg = _( "RS274X: Command KNOCKOUT ignored by GerbView" ) ;
|
|
AddMessageToList( msg );
|
|
break;
|
|
|
|
case PLOTTER_FILM: // Command PF <string>
|
|
// This is an info about film that must be used to plot this file
|
|
// Has no meaning here. We just display this string
|
|
msg = wxT( "Plotter Film info:<br>" );
|
|
while( *text != '*' )
|
|
{
|
|
msg.Append( *text++ );
|
|
}
|
|
AddMessageToList( msg );
|
|
break;
|
|
|
|
case ROTATE: // Layer rotation: command like %RO45*%
|
|
m_Iterpolation = GERB_INTERPOL_LINEAR_1X; // Start a new Gerber layer
|
|
m_LocalRotation =ReadDouble( text ); // Store layer rotation in degrees
|
|
break;
|
|
|
|
case IMAGE_NAME:
|
|
m_ImageName.Empty();
|
|
while( *text != '*' )
|
|
{
|
|
m_ImageName.Append( *text++ );
|
|
}
|
|
|
|
break;
|
|
|
|
case LAYER_NAME:
|
|
m_Iterpolation = GERB_INTERPOL_LINEAR_1X; // Start a new Gerber layer
|
|
GetLayerParams( ).m_LayerName.Empty();
|
|
while( *text != '*' )
|
|
{
|
|
GetLayerParams( ).m_LayerName.Append( *text++ );
|
|
}
|
|
|
|
break;
|
|
|
|
case IMAGE_POLARITY:
|
|
if( strncasecmp( text, "NEG", 3 ) == 0 )
|
|
m_ImageNegative = true;
|
|
else
|
|
m_ImageNegative = false;
|
|
DBG( printf( "%22s: IMAGE_POLARITY m_ImageNegative=%s\n", __func__,
|
|
m_ImageNegative ? "true" : "false" ); )
|
|
break;
|
|
|
|
case LAYER_POLARITY:
|
|
if( *text == 'C' )
|
|
GetLayerParams().m_LayerNegative = true;
|
|
|
|
else
|
|
GetLayerParams().m_LayerNegative = false;
|
|
|
|
// DBG( printf( "%22s: LAYER_POLARITY m_LayerNegative=%s\n", __func__,
|
|
// GetLayerParams().m_LayerNegative ? "true" : "false" ); )
|
|
break;
|
|
|
|
case INCLUDE_FILE:
|
|
if( m_FilesPtr >= INCLUDE_FILES_CNT_MAX )
|
|
{
|
|
ok = false;
|
|
AddMessageToList( _( "Too many include files!!" ) );
|
|
break;
|
|
}
|
|
|
|
strncpy( line, text, sizeof(line)-1 );
|
|
line[sizeof(line)-1] = '\0';
|
|
|
|
strtok( line, "*%%\n\r" );
|
|
m_FilesList[m_FilesPtr] = m_Current_File;
|
|
|
|
m_Current_File = fopen( line, "rt" );
|
|
if( m_Current_File == 0 )
|
|
{
|
|
msg.Printf( wxT( "include file <%s> not found." ), line );
|
|
AddMessageToList( msg );
|
|
ok = false;
|
|
m_Current_File = m_FilesList[m_FilesPtr];
|
|
break;
|
|
}
|
|
m_FilesPtr++;
|
|
break;
|
|
|
|
case AP_MACRO: // lines like %AMMYMACRO*
|
|
// 5,1,8,0,0,1.08239X$1,22.5*
|
|
// %
|
|
/*ok = */ReadApertureMacro( buff, text, m_Current_File );
|
|
break;
|
|
|
|
case AP_DEFINITION:
|
|
/* input example: %ADD30R,0.081800X0.101500*%
|
|
* Aperture definition has 4 options: C, R, O, P
|
|
* (Circle, Rect, Oval, regular Polygon)
|
|
* and shapes can have a hole (round or rectangular).
|
|
* All optional parameters values start by X
|
|
* at this point, text points to 2nd 'D'
|
|
*/
|
|
if( *text++ != 'D' )
|
|
{
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
m_Has_DCode = true;
|
|
|
|
code = ReadInt( text );
|
|
|
|
D_CODE* dcode;
|
|
dcode = GetDCODE( code );
|
|
|
|
if( dcode == NULL )
|
|
break;
|
|
|
|
dcode->m_AperFunction = m_AperFunction;
|
|
|
|
// at this point, text points to character after the ADD<num>,
|
|
// i.e. R in example above. If text[0] is one of the usual
|
|
// apertures: (C,R,O,P), there is a comma after it.
|
|
if( text[1] == ',' )
|
|
{
|
|
char stdAperture = *text;
|
|
|
|
text += 2; // skip "C," for example
|
|
|
|
dcode->m_Size.x = KiROUND( ReadDouble( text ) * conv_scale );
|
|
dcode->m_Size.y = dcode->m_Size.x;
|
|
|
|
switch( stdAperture ) // Aperture desceiption has optional parameters. Read them
|
|
{
|
|
case 'C': // Circle
|
|
dcode->m_Shape = APT_CIRCLE;
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.x = dcode->m_Drill.y =
|
|
KiROUND( ReadDouble( text ) * conv_scale );
|
|
dcode->m_DrillShape = APT_DEF_ROUND_HOLE;
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.y =
|
|
KiROUND( ReadDouble( text ) * conv_scale );
|
|
|
|
dcode->m_DrillShape = APT_DEF_RECT_HOLE;
|
|
}
|
|
dcode->m_Defined = true;
|
|
break;
|
|
|
|
case 'O': // oval
|
|
case 'R': // rect
|
|
dcode->m_Shape = (stdAperture == 'O') ? APT_OVAL : APT_RECT;
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Size.y =
|
|
KiROUND( ReadDouble( text ) * conv_scale );
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.x = KiROUND( ReadDouble( text ) * conv_scale );
|
|
dcode->m_Drill.y = dcode->m_Drill.x;
|
|
dcode->m_DrillShape = APT_DEF_ROUND_HOLE;
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.y =
|
|
KiROUND( ReadDouble( text ) * conv_scale );
|
|
dcode->m_DrillShape = APT_DEF_RECT_HOLE;
|
|
}
|
|
dcode->m_Defined = true;
|
|
break;
|
|
|
|
case 'P':
|
|
|
|
/* Regular polygon: a command line like %ADD12P,0.040X10X25X0.025X0.025X0.0150*%
|
|
* params are: <diameter>, X<edge count>, X<Rotation>, X<X hole dim>, X<Y hole dim>
|
|
*/
|
|
dcode->m_Shape = APT_POLYGON;
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_EdgesCount = ReadInt( text );
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Rotation = ReadDouble( text );
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.x = KiROUND( ReadDouble( text ) * conv_scale );
|
|
dcode->m_Drill.y = dcode->m_Drill.x =
|
|
dcode->m_DrillShape = APT_DEF_ROUND_HOLE;
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.y = KiROUND( ReadDouble( text ) * conv_scale );
|
|
dcode->m_DrillShape = APT_DEF_RECT_HOLE;
|
|
}
|
|
dcode->m_Defined = true;
|
|
break;
|
|
}
|
|
}
|
|
else // text[0] starts an aperture macro name
|
|
{
|
|
APERTURE_MACRO am_lookup;
|
|
|
|
while( *text && *text != '*' && *text != ',' )
|
|
am_lookup.name.Append( *text++ );
|
|
|
|
// When an aperture definition is like %AMLINE2* 22,1,$1,$2,0,0,-45*
|
|
// the ADDxx<MACRO_NAME> command has parameters, like %ADD14LINE2,0.8X0.5*%
|
|
if( *text == ',' )
|
|
{ // Read aperture macro parameters and store them
|
|
text++; // text points the first parameter
|
|
|
|
while( *text && *text != '*' )
|
|
{
|
|
double param = ReadDouble( text );
|
|
dcode->AppendParam( param );
|
|
|
|
while( isspace( *text ) )
|
|
text++;
|
|
|
|
// Skip 'X' separator:
|
|
if( *text == 'X' || *text == 'x' )
|
|
text++;
|
|
}
|
|
}
|
|
|
|
// lookup the aperture macro here.
|
|
APERTURE_MACRO* pam = FindApertureMacro( am_lookup );
|
|
|
|
if( !pam )
|
|
{
|
|
msg.Printf( wxT( "RS274X: aperture macro %s not found\n" ),
|
|
TO_UTF8( am_lookup.name ) );
|
|
AddMessageToList( msg );
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
dcode->m_Shape = APT_MACRO;
|
|
dcode->SetMacro( pam );
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
(void) seq_len; // quiet g++, or delete the unused variable.
|
|
|
|
ok = GetEndOfBlock( buff, text, m_Current_File );
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
bool GetEndOfBlock( char* buff, char*& text, FILE* gerber_file )
|
|
{
|
|
for( ; ; )
|
|
{
|
|
while( (text < buff + GERBER_BUFZ) && *text )
|
|
{
|
|
if( *text == '*' )
|
|
return true;
|
|
|
|
if( *text == '%' )
|
|
return true;
|
|
|
|
text++;
|
|
}
|
|
|
|
if( fgets( buff, GERBER_BUFZ, gerber_file ) == NULL )
|
|
break;
|
|
|
|
text = buff;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Function GetNextLine
|
|
* test for an end of line
|
|
* if an end of line is found:
|
|
* read a new line
|
|
* @param aBuff = buffer (size = GERBER_BUFZ) to fill with a new line
|
|
* @param aText = pointer to the last useful char in aBuff
|
|
* on return: points the beginning of the next line.
|
|
* @param aFile = the opened GERBER file to read
|
|
* @return a pointer to the beginning of the next line or NULL if end of file
|
|
*/
|
|
static char* GetNextLine( char *aBuff, char* aText, FILE* aFile )
|
|
{
|
|
for( ; ; )
|
|
{
|
|
switch (*aText )
|
|
{
|
|
case ' ': // skip blanks
|
|
case '\n':
|
|
case '\r': // Skip line terminators
|
|
++aText;
|
|
break;
|
|
|
|
case 0: // End of text found in aBuff: Read a new string
|
|
if( fgets( aBuff, GERBER_BUFZ, aFile ) == NULL )
|
|
return NULL;
|
|
aText = aBuff;
|
|
return aText;
|
|
|
|
default:
|
|
return aText;
|
|
}
|
|
}
|
|
return aText;
|
|
}
|
|
|
|
|
|
bool GERBER_FILE_IMAGE::ReadApertureMacro( char *buff,
|
|
char*& text,
|
|
FILE* gerber_file )
|
|
{
|
|
wxString msg;
|
|
APERTURE_MACRO am;
|
|
|
|
// read macro name
|
|
while( *text )
|
|
{
|
|
if( *text == '*' )
|
|
{
|
|
++text;
|
|
break;
|
|
}
|
|
|
|
am.name.Append( *text++ );
|
|
}
|
|
|
|
// Read aperture macro parameters
|
|
for( ; ; )
|
|
{
|
|
if( *text == '*' )
|
|
++text;
|
|
|
|
text = GetNextLine( buff, text, gerber_file );
|
|
|
|
if( text == NULL ) // End of File
|
|
return false;
|
|
|
|
// text points the beginning of a new line.
|
|
|
|
// Test for the last line in aperture macro lis:
|
|
// last line is % or *% sometime found.
|
|
if( *text == '*' )
|
|
++text;
|
|
|
|
if( *text == '%' )
|
|
break; // exit with text still pointing at %
|
|
|
|
int paramCount = 0; // will be set to the minimal parameters count,
|
|
// depending on the actual primitive
|
|
int primitive_type = AMP_UNKNOWN;
|
|
// Test for a valid symbol at the beginning of a description:
|
|
// it can be: a parameter declaration like $1=$2/4
|
|
// or a digit (macro primitive selection)
|
|
// all other symbols are illegal.
|
|
if( *text == '$' ) // local parameter declaration, inside the aperture macro
|
|
{
|
|
am.m_localparamStack.push_back( AM_PARAM() );
|
|
AM_PARAM& param = am.m_localparamStack.back();
|
|
text = GetNextLine( buff, text, gerber_file );
|
|
if( text == NULL) // End of File
|
|
return false;
|
|
param.ReadParam( text );
|
|
continue;
|
|
}
|
|
else if( !isdigit(*text) ) // Ill. symbol
|
|
{
|
|
msg.Printf( wxT( "RS274X: Aperture Macro \"%s\": ill. symbol, line: \"%s\"" ),
|
|
GetChars( am.name ), GetChars( FROM_UTF8( buff ) ) );
|
|
AddMessageToList( msg );
|
|
primitive_type = AMP_COMMENT;
|
|
}
|
|
else
|
|
primitive_type = ReadInt( text );
|
|
|
|
bool is_comment = false;
|
|
|
|
switch( primitive_type )
|
|
{
|
|
case AMP_COMMENT: // lines starting by 0 are a comment
|
|
paramCount = 0;
|
|
is_comment = true;
|
|
// Skip comment
|
|
while( *text && ( *text != '*' ) )
|
|
text++;
|
|
break;
|
|
|
|
case AMP_CIRCLE:
|
|
paramCount = 4; // minimal count. can have a optional parameter (rotation)
|
|
break;
|
|
|
|
case AMP_LINE2:
|
|
case AMP_LINE20:
|
|
paramCount = 7;
|
|
break;
|
|
|
|
case AMP_LINE_CENTER:
|
|
case AMP_LINE_LOWER_LEFT:
|
|
paramCount = 6;
|
|
break;
|
|
|
|
case AMP_EOF:
|
|
paramCount = 0;
|
|
break;
|
|
|
|
case AMP_OUTLINE:
|
|
paramCount = 4;
|
|
break;
|
|
|
|
case AMP_POLYGON:
|
|
paramCount = 6;
|
|
break;
|
|
|
|
case AMP_MOIRE:
|
|
paramCount = 9;
|
|
break;
|
|
|
|
case AMP_THERMAL:
|
|
paramCount = 6;
|
|
break;
|
|
|
|
default:
|
|
// @todo, there needs to be a way of reporting the line number
|
|
msg.Printf( wxT( "RS274X: Aperture Macro \"%s\": Invalid primitive id code %d, line: \"%s\"" ),
|
|
GetChars( am.name ), primitive_type, GetChars( FROM_UTF8( buff ) ) );
|
|
AddMessageToList( msg );
|
|
return false;
|
|
}
|
|
|
|
if( is_comment )
|
|
continue;
|
|
|
|
AM_PRIMITIVE prim( m_GerbMetric );
|
|
prim.primitive_id = (AM_PRIMITIVE_ID) primitive_type;
|
|
int ii;
|
|
|
|
for( ii = 0; ii < *text && *text != '*'; ++ii )
|
|
{
|
|
prim.params.push_back( AM_PARAM() );
|
|
|
|
AM_PARAM& param = prim.params.back();
|
|
|
|
text = GetNextLine( buff, text, gerber_file );
|
|
|
|
if( text == NULL) // End of File
|
|
return false;
|
|
|
|
param.ReadParam( text );
|
|
}
|
|
|
|
if( ii < paramCount )
|
|
{
|
|
// maybe some day we can throw an exception and track a line number
|
|
msg.Printf( wxT( "RS274X: read macro descr type %d: read %d parameters, insufficient parameters\n" ),
|
|
prim.primitive_id, ii );
|
|
AddMessageToList( msg );
|
|
|
|
}
|
|
// there are more parameters to read if this is an AMP_OUTLINE
|
|
if( prim.primitive_id == AMP_OUTLINE )
|
|
{
|
|
// so far we have read [0]:exposure, [1]:#points, [2]:X start, [3]: Y start
|
|
// Now read all the points, plus trailing rotation in degrees.
|
|
|
|
// params[1] is a count of polygon points, so it must be given
|
|
// in advance, i.e. be immediate.
|
|
wxASSERT( prim.params[1].IsImmediate() );
|
|
|
|
paramCount = (int) prim.params[1].GetValue( 0 ) * 2 + 1;
|
|
|
|
for( int jj = 0; jj < paramCount && *text != '*'; ++jj )
|
|
{
|
|
prim.params.push_back( AM_PARAM() );
|
|
|
|
AM_PARAM& param = prim.params.back();
|
|
|
|
text = GetNextLine( buff, text, gerber_file );
|
|
|
|
if( text == NULL ) // End of File
|
|
return false;
|
|
|
|
param.ReadParam( text );
|
|
}
|
|
}
|
|
|
|
am.primitives.push_back( prim );
|
|
}
|
|
|
|
m_aperture_macros.insert( am );
|
|
|
|
return true;
|
|
}
|
|
|