 // Dick Hollenbeck's KiROUND R&D
// This provides better project control over rounding to int from double
// than wxRound() did. This scheme provides better logging in Debug builds
// and it provides for compile time calculation of constants.
#include <stdio.h>
#include <assert.h>
#include <limits.h>
//-----<KiROUND KIT>------------------------------------------------------------
/**
* KiROUND
* rounds a floating point number to an int using
* "round halfway cases away from zero".
* In Debug build an assert fires if will not fit into an int.
*/
#if defined( DEBUG )
// DEBUG: a macro to capture line and file, then calls this inline
static inline int KiRound( double v, int line, const char* filename )
{
v = v < 0 ? v - 0.5 : v + 0.5;
if( v > INT_MAX + 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v );
}
else if( v < INT_MIN - 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v );
}
return int( v );
}
#define KiROUND( v ) KiRound( v, __LINE__, __FILE__ )
#else
// RELEASE: a macro so compile can pre-compute constants.
#define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 )
#endif
//-----</KiROUND KIT>-----------------------------------------------------------
// Only a macro is compile time calculated, an inline function causes a static constructor
// in a situation like this.
// Therefore the Release build is best done with a MACRO not an inline function.
int Computed = KiROUND( 14.3 * 8 );
int main( int argc, char** argv )
{
for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 )
{
int i = KiROUND( d );
printf( "t: %d %.16g\n", i, d );
}
return 0;
}
14 years ago // Dick Hollenbeck's KiROUND R&D
// This provides better project control over rounding to int from double
// than wxRound() did. This scheme provides better logging in Debug builds
// and it provides for compile time calculation of constants.
#include <stdio.h>
#include <assert.h>
#include <limits.h>
//-----<KiROUND KIT>------------------------------------------------------------
/**
* KiROUND
* rounds a floating point number to an int using
* "round halfway cases away from zero".
* In Debug build an assert fires if will not fit into an int.
*/
#if defined( DEBUG )
// DEBUG: a macro to capture line and file, then calls this inline
static inline int KiRound( double v, int line, const char* filename )
{
v = v < 0 ? v - 0.5 : v + 0.5;
if( v > INT_MAX + 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v );
}
else if( v < INT_MIN - 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v );
}
return int( v );
}
#define KiROUND( v ) KiRound( v, __LINE__, __FILE__ )
#else
// RELEASE: a macro so compile can pre-compute constants.
#define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 )
#endif
//-----</KiROUND KIT>-----------------------------------------------------------
// Only a macro is compile time calculated, an inline function causes a static constructor
// in a situation like this.
// Therefore the Release build is best done with a MACRO not an inline function.
int Computed = KiROUND( 14.3 * 8 );
int main( int argc, char** argv )
{
for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 )
{
int i = KiROUND( d );
printf( "t: %d %.16g\n", i, d );
}
return 0;
}
14 years ago // Dick Hollenbeck's KiROUND R&D
// This provides better project control over rounding to int from double
// than wxRound() did. This scheme provides better logging in Debug builds
// and it provides for compile time calculation of constants.
#include <stdio.h>
#include <assert.h>
#include <limits.h>
//-----<KiROUND KIT>------------------------------------------------------------
/**
* KiROUND
* rounds a floating point number to an int using
* "round halfway cases away from zero".
* In Debug build an assert fires if will not fit into an int.
*/
#if defined( DEBUG )
// DEBUG: a macro to capture line and file, then calls this inline
static inline int KiRound( double v, int line, const char* filename )
{
v = v < 0 ? v - 0.5 : v + 0.5;
if( v > INT_MAX + 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v );
}
else if( v < INT_MIN - 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v );
}
return int( v );
}
#define KiROUND( v ) KiRound( v, __LINE__, __FILE__ )
#else
// RELEASE: a macro so compile can pre-compute constants.
#define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 )
#endif
//-----</KiROUND KIT>-----------------------------------------------------------
// Only a macro is compile time calculated, an inline function causes a static constructor
// in a situation like this.
// Therefore the Release build is best done with a MACRO not an inline function.
int Computed = KiROUND( 14.3 * 8 );
int main( int argc, char** argv )
{
for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 )
{
int i = KiROUND( d );
printf( "t: %d %.16g\n", i, d );
}
return 0;
}
14 years ago // Dick Hollenbeck's KiROUND R&D
// This provides better project control over rounding to int from double
// than wxRound() did. This scheme provides better logging in Debug builds
// and it provides for compile time calculation of constants.
#include <stdio.h>
#include <assert.h>
#include <limits.h>
//-----<KiROUND KIT>------------------------------------------------------------
/**
* KiROUND
* rounds a floating point number to an int using
* "round halfway cases away from zero".
* In Debug build an assert fires if will not fit into an int.
*/
#if defined( DEBUG )
// DEBUG: a macro to capture line and file, then calls this inline
static inline int KiRound( double v, int line, const char* filename )
{
v = v < 0 ? v - 0.5 : v + 0.5;
if( v > INT_MAX + 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v );
}
else if( v < INT_MIN - 0.5 )
{
printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v );
}
return int( v );
}
#define KiROUND( v ) KiRound( v, __LINE__, __FILE__ )
#else
// RELEASE: a macro so compile can pre-compute constants.
#define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 )
#endif
//-----</KiROUND KIT>-----------------------------------------------------------
// Only a macro is compile time calculated, an inline function causes a static constructor
// in a situation like this.
// Therefore the Release build is best done with a MACRO not an inline function.
int Computed = KiROUND( 14.3 * 8 );
int main( int argc, char** argv )
{
for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 )
{
int i = KiROUND( d );
printf( "t: %d %.16g\n", i, d );
}
return 0;
}
14 years ago |
|
/*
* This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2007-2018 Jean-Pierre Charras jp.charras at wanadoo.fr * Copyright (C) 1992-2018 KiCad Developers, see AUTHORS.txt for contributors. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
/**
* @file rs274x.cpp */
#include <fctsys.h>
#include <common.h>
#include <macros.h>
#include <base_units.h>
#include <math/util.h> // for KiROUND
#include <gerbview.h>
#include <gerber_file_image.h>
#include <X2_gerber_attributes.h>
#include <gbr_metadata.h>
extern int ReadInt( char*& text, bool aSkipSeparator = true );extern double ReadDouble( char*& text, bool aSkipSeparator = true );
#define CODE( x, y ) ( ( (x) << 8 ) + (y) )
// See rs274xrevd_e.pdf, table 1: RS-274X parameters order of entry
// in gerber files, when a coordinate is given (like X78Y600 or I0J80):
// Y and Y are logical coordinates
// A and B are plotter coordiantes
// Usually A = X, B = Y
// But we can have A = Y, B = X and/or offset, mirror, scale;
// Also:
// Image is what you must plot (the entire data of the file).
// Layer is just a set of data blocks with their parameters. An image can have more than one
// layer so a gerber layer is not like a board layer or the graphic layers used in GerbView
// to show a file.
enum RS274X_PARAMETERS { // Directive parameters: single usage recommended
// Must be at the beginning of the file
AXIS_SELECT = CODE( 'A', 'S' ), // Default: A=X, B=Y
FORMAT_STATEMENT = CODE( 'F', 'S' ), // no default: this command must exists
MIRROR_IMAGE = CODE( 'M', 'I' ), // Default: mo mirror
MODE_OF_UNITS = CODE( 'M', 'O' ), // Default: inch
INCH = CODE( 'I', 'N' ), MILLIMETER = CODE( 'M', 'M' ), OFFSET = CODE( 'O', 'F' ), // Default: A = 0, B = 0
SCALE_FACTOR = CODE( 'S', 'F' ), // Default: A = 1.0, B = 1.0
// Image parameters:
// commands used only once at the beginning of the file, and are deprecated
IMAGE_JUSTIFY = CODE( 'I', 'J' ), // Default: no justification
IMAGE_NAME = CODE( 'I', 'N' ), // Default: void
IMAGE_OFFSET = CODE( 'I', 'O' ), // Default: A = 0, B = 0
IMAGE_POLARITY = CODE( 'I', 'P' ), // Default: Positive
IMAGE_ROTATION = CODE( 'I', 'R' ), // Default: 0
// Aperture parameters:
// Usually for the whole file
AP_DEFINITION = CODE( 'A', 'D' ), AP_MACRO = CODE( 'A', 'M' ),
// X2 extension attribute commands
// Mainly are found standard attributes and user attributes
// standard attributes commands are:
// TF (file attribute) TO (net attribute)
// TA (aperture attribute) and TD (delete aperture attribute)
FILE_ATTRIBUTE = CODE( 'T', 'F' ),
// X2 extension Net attribute info
// Net attribute options are:
// TO (net attribute data): TO.CN or TO.P TO.N or TO.C
NET_ATTRIBUTE = CODE( 'T', 'O' ),
// X2 extension Aperture attribute TA
APERTURE_ATTRIBUTE = CODE( 'T', 'A' ),
// TD (delete aperture/object attribute):
// Delete aperture attribute added by %TA or Oblect attribute added b %TO
// TD (delete all) or %TD<attr name> to delete <attr name>.
// eg: TD.P or TD.N or TD.C ...
REMOVE_APERTURE_ATTRIBUTE = CODE( 'T', 'D' ),
// Layer specific parameters
// May be used singly or may be layer specfic
// These parameters are at the beginning of the file or layer
// and reset some layer parameters (like interpolation)
KNOCKOUT = CODE( 'K', 'O' ), // Default: off
STEP_AND_REPEAT = CODE( 'S', 'R' ), // Default: A = 1, B = 1
ROTATE = CODE( 'R', 'O' ), // Default: 0
LOAD_POLARITY = CODE( 'L', 'P' ), //LPC or LPD. Default: Dark (LPD)
LOAD_NAME = CODE( 'L', 'N' ), // Deprecated: equivalent to G04
};
int GERBER_FILE_IMAGE::ReadXCommandID( char*& text ){ /* reads two bytes of data and assembles them into an int with the first
* byte in the sequence put into the most significant part of a 16 bit value */ int result; int currbyte;
if( text && *text ) { currbyte = *text++; result = ( currbyte & 0xFF ) << 8; } else return -1;
if( text && *text ) { currbyte = *text++; result += currbyte & 0xFF; } else return -1;
return result;}
bool GERBER_FILE_IMAGE::ReadRS274XCommand( char *aBuff, unsigned int aBuffSize, char*& aText ){ bool ok = true; int code_command;
aText++;
for( ; ; ) { while( *aText ) { switch( *aText ) { case '%': // end of command
aText++; m_CommandState = CMD_IDLE; goto exit; // success completion
case ' ': case '\r': case '\n': aText++; break;
case '*': aText++; break;
default: code_command = ReadXCommandID( aText ); ok = ExecuteRS274XCommand( code_command, aBuff, aBuffSize, aText );
if( !ok ) goto exit;
break; } }
// end of current line, read another one.
if( fgets( aBuff, aBuffSize, m_Current_File ) == NULL ) { // end of file
ok = false; break; } m_LineNum++; aText = aBuff; }
exit: return ok;}
bool GERBER_FILE_IMAGE::ExecuteRS274XCommand( int aCommand, char* aBuff, unsigned int aBuffSize, char*& aText ){ int code; int seq_len; // not used, just provided
int seq_char; bool ok = true; wxString msg; double fcoord; bool x_fmt_known = false; bool y_fmt_known = false;
// conv_scale = scaling factor from inch to Internal Unit
double conv_scale = IU_PER_MILS * 1000;
if( m_GerbMetric ) conv_scale /= 25.4;
switch( aCommand ) { case FORMAT_STATEMENT: seq_len = 2;
while( *aText != '*' ) { switch( *aText ) { case ' ': aText++; break;
case 'D': // Non-standard option for all zeros (leading + tailing)
msg.Printf( _( "RS274X: Invalid GERBER format command '%c' at line %d: \"%s\"" ), 'D', m_LineNum, aBuff ); AddMessageToList( msg ); msg.Printf( _("GERBER file \"%s\" may not display as intended." ), m_FileName.ToAscii() ); AddMessageToList( msg ); KI_FALLTHROUGH;
case 'L': // No Leading 0
m_NoTrailingZeros = false; aText++; break;
case 'T': // No trailing 0
m_NoTrailingZeros = true; aText++; break;
case 'A': // Absolute coord
m_Relative = false; aText++; break;
case 'I': // Relative coord
m_Relative = true; aText++; break;
case 'G': case 'N': // Sequence code (followed by one digit: the sequence len)
// (sometimes found before the X,Y sequence)
// Obscure option
aText++; seq_char = *aText++; if( (seq_char >= '0') && (seq_char <= '9') ) seq_len = seq_char - '0'; break;
case 'M': // Sequence code (followed by one digit: the sequence len)
// (sometimes found after the X,Y sequence)
// Obscure option
code = *aText++; if( ( *aText >= '0' ) && ( *aText<= '9' ) ) aText++; // skip the digit
break;
case 'X': case 'Y': { code = *(aText++); char ctmp = *(aText++) - '0'; if( code == 'X' ) { x_fmt_known = true; // number of digits after the decimal point (0 to 7 allowed)
m_FmtScale.x = *aText - '0'; m_FmtLen.x = ctmp + m_FmtScale.x;
// m_FmtScale is 0 to 7
// (Old Gerber specification was 0 to 6)
if( m_FmtScale.x < 0 ) m_FmtScale.x = 0; if( m_FmtScale.x > 7 ) m_FmtScale.x = 7; } else { y_fmt_known = true; m_FmtScale.y = *aText - '0'; m_FmtLen.y = ctmp + m_FmtScale.y; if( m_FmtScale.y < 0 ) m_FmtScale.y = 0; if( m_FmtScale.y > 7 ) m_FmtScale.y = 7; } aText++; } break;
case '*': break;
default: msg.Printf( wxT( "Unknown id (%c) in FS command" ), *aText ); AddMessageToList( msg ); GetEndOfBlock( aBuff, aBuffSize, aText, m_Current_File ); ok = false; break; } } if( !x_fmt_known || !y_fmt_known ) AddMessageToList( wxT( "RS274X: Format Statement (FS) without X or Y format" ) );
break;
case AXIS_SELECT: // command ASAXBY*% or %ASAYBX*%
m_SwapAxis = false; if( strncasecmp( aText, "AYBX", 4 ) == 0 ) m_SwapAxis = true; break;
case MIRROR_IMAGE: // command %MIA0B0*%, %MIA0B1*%, %MIA1B0*%, %MIA1B1*%
m_MirrorA = m_MirrorB = 0; while( *aText && *aText != '*' ) { switch( *aText ) { case 'A': // Mirror A axis ?
aText++; if( *aText == '1' ) m_MirrorA = true; break;
case 'B': // Mirror B axis ?
aText++; if( *aText == '1' ) m_MirrorB = true; break;
default: aText++; break; } } break;
case MODE_OF_UNITS: code = ReadXCommandID( aText ); if( code == INCH ) m_GerbMetric = false; else if( code == MILLIMETER ) m_GerbMetric = true; conv_scale = m_GerbMetric ? IU_PER_MILS / 25.4 : IU_PER_MILS; break;
case FILE_ATTRIBUTE: // Command %TF ...
m_IsX2_file = true; { X2_ATTRIBUTE dummy; dummy.ParseAttribCmd( m_Current_File, aBuff, aBuffSize, aText, m_LineNum );
if( dummy.IsFileFunction() ) { delete m_FileFunction; m_FileFunction = new X2_ATTRIBUTE_FILEFUNCTION( dummy ); } else if( dummy.IsFileMD5() ) { m_MD5_value = dummy.GetPrm( 1 ); } else if( dummy.IsFilePart() ) { m_PartString = dummy.GetPrm( 1 ); } } break;
case APERTURE_ATTRIBUTE: // Command %TA
{ X2_ATTRIBUTE dummy; dummy.ParseAttribCmd( m_Current_File, aBuff, aBuffSize, aText, m_LineNum );
if( dummy.GetAttribute() == ".AperFunction" ) { m_AperFunction = dummy.GetPrm( 1 );
// A few function values can have other parameters. Add them
for( int ii = 2; ii < dummy.GetPrmCount(); ii++ ) m_AperFunction << "," << dummy.GetPrm( ii ); } } break;
case NET_ATTRIBUTE: // Command %TO currently %TO.P %TO.N and %TO.C
{ X2_ATTRIBUTE dummy;
dummy.ParseAttribCmd( m_Current_File, aBuff, aBuffSize, aText, m_LineNum );
if( dummy.GetAttribute() == ".N" ) { m_NetAttributeDict.m_NetAttribType |= GBR_NETLIST_METADATA::GBR_NETINFO_NET; m_NetAttributeDict.m_Netname = FormatStringFromGerber( dummy.GetPrm( 1 ) ); } else if( dummy.GetAttribute() == ".C" ) { m_NetAttributeDict.m_NetAttribType |= GBR_NETLIST_METADATA::GBR_NETINFO_CMP; m_NetAttributeDict.m_Cmpref = FormatStringFromGerber( dummy.GetPrm( 1 ) ); } else if( dummy.GetAttribute() == ".P" ) { m_NetAttributeDict.m_NetAttribType |= GBR_NETLIST_METADATA::GBR_NETINFO_PAD; m_NetAttributeDict.m_Cmpref = FormatStringFromGerber( dummy.GetPrm( 1 ) ); m_NetAttributeDict.m_Padname.SetField( FormatStringFromGerber( dummy.GetPrm( 2 ) ), true, true );
if( dummy.GetPrmCount() > 3 ) m_NetAttributeDict.m_PadPinFunction.SetField( FormatStringFromGerber( dummy.GetPrm( 3 ) ), true, true ); else m_NetAttributeDict.m_PadPinFunction.Clear(); } } break;
case REMOVE_APERTURE_ATTRIBUTE: // Command %TD ...
{ X2_ATTRIBUTE dummy; dummy.ParseAttribCmd( m_Current_File, aBuff, aBuffSize, aText, m_LineNum ); RemoveAttribute( dummy ); } break;
case OFFSET: // command: OFAnnBnn (nn = float number) = layer Offset
m_Offset.x = m_Offset.y = 0; while( *aText != '*' ) { switch( *aText ) { case 'A': // A axis offset in current unit (inch or mm)
aText++; fcoord = ReadDouble( aText ); m_Offset.x = KiROUND( fcoord * conv_scale ); break;
case 'B': // B axis offset in current unit (inch or mm)
aText++; fcoord = ReadDouble( aText ); m_Offset.y = KiROUND( fcoord * conv_scale ); break; } } break;
case SCALE_FACTOR: m_Scale.x = m_Scale.y = 1.0; while( *aText != '*' ) { switch( *aText ) { case 'A': // A axis scale
aText++; m_Scale.x = ReadDouble( aText ); break;
case 'B': // B axis scale
aText++; m_Scale.y = ReadDouble( aText ); break; } } break;
case IMAGE_OFFSET: // command: IOAnnBnn (nn = float number) = Image Offset
m_ImageOffset.x = m_ImageOffset.y = 0; while( *aText != '*' ) { switch( *aText ) { case 'A': // A axis offset in current unit (inch or mm)
aText++; fcoord = ReadDouble( aText ); m_ImageOffset.x = KiROUND( fcoord * conv_scale ); break;
case 'B': // B axis offset in current unit (inch or mm)
aText++; fcoord = ReadDouble( aText ); m_ImageOffset.y = KiROUND( fcoord * conv_scale ); break; } } break;
case IMAGE_ROTATION: // command IR0* or IR90* or IR180* or IR270*
if( strncasecmp( aText, "0*", 2 ) == 0 ) m_ImageRotation = 0; else if( strncasecmp( aText, "90*", 3 ) == 0 ) m_ImageRotation = 90; else if( strncasecmp( aText, "180*", 4 ) == 0 ) m_ImageRotation = 180; else if( strncasecmp( aText, "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( *aText && *aText != '*' ) { switch( *aText ) { case 'I': // X axis offset
aText++; GetLayerParams().m_StepForRepeat.x = ReadDouble( aText ); break;
case 'J': // Y axis offset
aText++; GetLayerParams().m_StepForRepeat.y = ReadDouble( aText ); break;
case 'X': // X axis repeat count
aText++; GetLayerParams().m_XRepeatCount = ReadInt( aText ); break;
case 'Y': // Y axis offset
aText++; GetLayerParams().m_YRepeatCount = ReadInt( aText ); break; default: aText++; 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( *aText && *aText != '*' ) { // IJ command is (for A or B axis) AC or AL or A<coordinate>
switch( *aText ) { case 'A': // A axis justify
aText++; if( *aText == 'C' ) { m_ImageJustifyXCenter = true; aText++; } else if( *aText == 'L' ) { m_ImageJustifyXCenter = true; aText++; } else m_ImageJustifyOffset.x = KiROUND( ReadDouble( aText ) * conv_scale); break;
case 'B': // B axis justify
aText++; if( *aText == 'C' ) { m_ImageJustifyYCenter = true; aText++; } else if( *aText == 'L' ) { m_ImageJustifyYCenter = true; aText++; } else m_ImageJustifyOffset.y = KiROUND( ReadDouble( aText ) * conv_scale); break; default: aText++; 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 ROTATE: // Layer rotation: command like %RO45*%
m_Iterpolation = GERB_INTERPOL_LINEAR_1X; // Start a new Gerber layer
m_LocalRotation =ReadDouble( aText ); // Store layer rotation in degrees
break;
case IMAGE_NAME: m_ImageName.Empty(); while( *aText != '*' ) { m_ImageName.Append( *aText++ ); }
break;
case LOAD_NAME: // %LN is a (deprecated) equivalentto G04: a comment
while( *aText && *aText != '*' ) { aText++; // Skip text
}
break;
case IMAGE_POLARITY: if( strncasecmp( aText, "NEG", 3 ) == 0 ) m_ImageNegative = true; else m_ImageNegative = false;
break;
case LOAD_POLARITY: if( *aText == 'C' ) GetLayerParams().m_LayerNegative = true; else GetLayerParams().m_LayerNegative = false;
break;
case AP_MACRO: // lines like %AMMYMACRO*
// 5,1,8,0,0,1.08239X$1,22.5*
// %
/*ok = */ReadApertureMacro( aBuff, aBuffSize, aText, 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( *aText++ != 'D' ) { ok = false; break; }
m_Has_DCode = true;
code = ReadInt( aText );
D_CODE* dcode; dcode = GetDCODEOrCreate( 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 aText[0] is one of the usual
// apertures: (C,R,O,P), there is a comma after it.
if( aText[1] == ',' ) { char stdAperture = *aText;
aText += 2; // skip "C," for example
// First parameter is the size X:
dcode->m_Size.x = KiROUND( ReadDouble( aText ) * 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( *aText == ' ' ) aText++;
if( *aText == 'X' ) { aText++; dcode->m_Drill.x = dcode->m_Drill.y = KiROUND( ReadDouble( aText ) * conv_scale ); dcode->m_DrillShape = APT_DEF_ROUND_HOLE; }
while( *aText == ' ' ) aText++;
if( *aText == 'X' ) { aText++; dcode->m_Drill.y = KiROUND( ReadDouble( aText ) * 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( *aText == ' ' ) aText++;
if( *aText == 'X' ) // Second parameter: size Y
{ aText++; dcode->m_Size.y = KiROUND( ReadDouble( aText ) * conv_scale ); }
while( *aText == ' ' ) aText++;
if( *aText == 'X' ) // third parameter: drill size (or drill size X)
{ aText++; dcode->m_Drill.x = KiROUND( ReadDouble( aText ) * conv_scale ); dcode->m_Drill.y = dcode->m_Drill.x; dcode->m_DrillShape = APT_DEF_ROUND_HOLE; }
while( *aText == ' ' ) aText++;
if( *aText == 'X' ) // fourth parameter: drill size Y
{ aText++; dcode->m_Drill.y = KiROUND( ReadDouble( aText ) * 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( *aText == ' ' ) aText++;
if( *aText == 'X' ) { aText++; dcode->m_EdgesCount = ReadInt( aText ); }
while( *aText == ' ' ) aText++;
if( *aText == 'X' ) { aText++; dcode->m_Rotation = ReadDouble( aText ); }
while( *aText == ' ' ) aText++;
if( *aText == 'X' ) { aText++; dcode->m_Drill.x = KiROUND( ReadDouble( aText ) * conv_scale ); dcode->m_Drill.y = dcode->m_Drill.x; dcode->m_DrillShape = APT_DEF_ROUND_HOLE; }
while( *aText == ' ' ) aText++;
if( *aText == 'X' ) { aText++; dcode->m_Drill.y = KiROUND( ReadDouble( aText ) * conv_scale ); dcode->m_DrillShape = APT_DEF_RECT_HOLE; } dcode->m_Defined = true; break; } } else // aText[0] starts an aperture macro name
{ APERTURE_MACRO am_lookup;
while( *aText && *aText != '*' && *aText != ',' ) am_lookup.name.Append( *aText++ );
// 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( *aText == ',' ) { // Read aperture macro parameters and store them
aText++; // aText points the first parameter
while( *aText && *aText != '*' ) { double param = ReadDouble( aText ); dcode->AppendParam( param );
while( isspace( *aText ) ) aText++;
// Skip 'X' separator:
if( *aText == 'X' || *aText == 'x' ) aText++; } }
// 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( aBuff, aBuffSize, aText, m_Current_File );
return ok;}
bool GERBER_FILE_IMAGE::GetEndOfBlock( char* aBuff, unsigned int aBuffSize, char*& aText, FILE* gerber_file ){ for( ; ; ) { while( (aText < aBuff + aBuffSize) && *aText ) { if( *aText == '*' ) return true;
if( *aText == '%' ) return true;
aText++; }
if( fgets( aBuff, aBuffSize, gerber_file ) == NULL ) break;
m_LineNum++; aText = aBuff; }
return false;}
char* GERBER_FILE_IMAGE::GetNextLine( char *aBuff, unsigned int aBuffSize, 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, aBuffSize, aFile ) == NULL ) return NULL;
m_LineNum++; aText = aBuff; return aText;
default: return aText; } } return aText;}
bool GERBER_FILE_IMAGE::ReadApertureMacro( char *aBuff, unsigned int aBuffSize, char*& aText, FILE* gerber_file ){ wxString msg; APERTURE_MACRO am;
// read macro name
while( *aText ) { if( *aText == '*' ) { ++aText; break; }
am.name.Append( *aText++ ); }
// Read aperture macro parameters
for( ; ; ) { if( *aText == '*' ) ++aText;
aText = GetNextLine( aBuff, aBuffSize, aText, gerber_file );
if( aText == NULL ) // End of File
return false;
// aText points the beginning of a new line.
// Test for the last line in aperture macro lis:
// last line is % or *% sometime found.
if( *aText == '*' ) ++aText;
if( *aText == '%' ) break; // exit with aText 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=$2/4
// or a digit (macro primitive selection)
// all other symbols are illegal.
if( *aText == '$' ) // local parameter declaration, inside the aperture macro
{ am.m_localparamStack.push_back( AM_PARAM() ); AM_PARAM& param = am.m_localparamStack.back(); aText = GetNextLine( aBuff, aBuffSize, aText, gerber_file ); if( aText == NULL) // End of File
return false; param.ReadParam( aText ); continue; } else if( !isdigit(*aText) ) // Ill. symbol
{ msg.Printf( wxT( "RS274X: Aperture Macro \"%s\": ill. symbol, line: \"%s\"" ), GetChars( am.name ), GetChars( FROM_UTF8( aBuff ) ) ); AddMessageToList( msg ); primitive_type = AMP_COMMENT; } else primitive_type = ReadInt( aText );
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( *aText && ( *aText != '*' ) ) aText++; 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; // partial count. other parameters are vertices and rotation
// Second parameter is vertice (coordinate pairs) count.
break;
case AMP_POLYGON: paramCount = 6; break;
case AMP_MOIRE: paramCount = 9; break;
case AMP_THERMAL: paramCount = 6; break;
default: msg.Printf( wxT( "RS274X: Aperture Macro \"%s\": Invalid primitive id code %d, line %d: \"%s\"" ), GetChars( am.name ), primitive_type, m_LineNum, GetChars( FROM_UTF8( aBuff ) ) ); 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 < paramCount && *aText && *aText != '*'; ++ii ) { prim.params.push_back( AM_PARAM() );
AM_PARAM& param = prim.params.back();
aText = GetNextLine( aBuff, aBuffSize, aText, gerber_file );
if( aText == NULL) // End of File
return false;
param.ReadParam( aText ); }
if( ii < paramCount ) { // maybe some day we can throw an exception and track a line number
msg.Printf( "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 && *aText != '*'; ++jj ) { prim.params.push_back( AM_PARAM() );
AM_PARAM& param = prim.params.back();
aText = GetNextLine( aBuff, aBuffSize, aText, gerber_file );
if( aText == NULL ) // End of File
return false;
param.ReadParam( aText ); } }
// AMP_CIRCLE can have a optional parameter (rotation)
if( prim.primitive_id == AMP_CIRCLE && aText && *aText != '*' ) { prim.params.push_back( AM_PARAM() ); AM_PARAM& param = prim.params.back(); param.ReadParam( aText ); }
am.primitives.push_back( prim ); }
m_aperture_macros.insert( am );
return true;}
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