675 lines
18 KiB
C++
675 lines
18 KiB
C++
/********************************************************/
|
|
/* Routine de lecture d'un fichier GERBER format RS274X */
|
|
/********************************************************/
|
|
|
|
#include "fctsys.h"
|
|
|
|
#include "common.h"
|
|
#include "gerbview.h"
|
|
#include "pcbplot.h"
|
|
|
|
#include "protos.h"
|
|
|
|
#define CODE( x, y ) ( ((x) << 8) + (y) )
|
|
|
|
enum RS274X_PARAMETERS
|
|
{
|
|
FORMAT_STATEMENT = CODE( 'F', 'S' ),
|
|
AXIS_SELECT = CODE( 'A', 'S' ),
|
|
MIRROR_IMAGE = CODE( 'M', 'I' ),
|
|
MODE_OF_UNITS = CODE( 'M', 'O' ),
|
|
INCH = CODE( 'I', 'N' ),
|
|
MILLIMETER = CODE( 'M', 'M' ),
|
|
OFFSET = CODE( 'O', 'F' ),
|
|
SCALE_FACTOR = CODE( 'S', 'F' ),
|
|
|
|
IMAGE_NAME = CODE( 'I', 'N' ),
|
|
IMAGE_JUSTIFY = CODE( 'I', 'J' ),
|
|
IMAGE_OFFSET = CODE( 'I', 'O' ),
|
|
IMAGE_POLARITY = CODE( 'I', 'P' ),
|
|
IMAGE_ROTATION = CODE( 'I', 'R' ),
|
|
PLOTTER_FILM = CODE( 'P', 'M' ),
|
|
INCLUDE_FILE = CODE( 'I', 'F' ),
|
|
|
|
AP_DEFINITION = CODE( 'A', 'D' ),
|
|
|
|
AP_MACRO = CODE( 'A', 'M' ),
|
|
LAYER_NAME = CODE( 'L', 'N' ),
|
|
LAYER_POLARITY = CODE( 'L', 'P' ),
|
|
KNOCKOUT = CODE( 'K', 'O' ),
|
|
STEP_AND_REPEAT = CODE( 'S', 'P' ),
|
|
ROTATE = CODE( 'R', 'O' )
|
|
};
|
|
|
|
|
|
/* Local Functions */
|
|
|
|
|
|
/**
|
|
* Function ReadXCommand
|
|
* reads int 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
|
|
* and the second byte put into the least significant part of the 16 bit value.
|
|
* @param text A reference to a pointer to read bytes from and to advance as they are read.
|
|
* @return int - with 16 bits of data in the ls bits, upper bits zeroed.
|
|
*/
|
|
static int ReadXCommand( char*& text )
|
|
{
|
|
int result;
|
|
|
|
if( text && *text )
|
|
result = *text++ << 8;
|
|
else
|
|
return -1;
|
|
|
|
if( text && *text )
|
|
result += *text++;
|
|
else
|
|
return -1;
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Function ReadInt
|
|
* reads an int from an ASCII character buffer. If there is a comma after the
|
|
* int, then skip over that.
|
|
* @param text A reference to a character pointer from which bytes are read
|
|
* and the pointer is advanced for each byte read.
|
|
* @param int - The int read in.
|
|
*/
|
|
static int ReadInt( char*& text )
|
|
{
|
|
int ret = (int) strtol( text, &text, 10 );
|
|
|
|
if( *text == ',' )
|
|
++text;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* Function ReadDouble
|
|
* reads a double from an ASCII character buffer. If there is a comma after the double,
|
|
* then skip over that.
|
|
* @param text A reference to a character pointer from which the ASCII double
|
|
* is read from and the pointer advanced for each character read.
|
|
* @return double
|
|
*/
|
|
static double ReadDouble( char*& text )
|
|
{
|
|
double ret = strtod( text, &text );
|
|
|
|
if( *text == ',' )
|
|
++text;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
bool GERBER::ReadRS274XCommand( WinEDA_GerberFrame* frame, wxDC* DC,
|
|
char buff[GERBER_BUFZ], char*& text )
|
|
/****************************************************************************/
|
|
{
|
|
bool ok = true;
|
|
int code_command;
|
|
|
|
text++;
|
|
|
|
for(;;)
|
|
{
|
|
while( *text )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case '%': // end of command
|
|
text++;
|
|
m_CommandState = CMD_IDLE;
|
|
goto exit; // success completion
|
|
|
|
case ' ':
|
|
case '\r':
|
|
case '\n':
|
|
text++;
|
|
break;
|
|
|
|
case '*':
|
|
text++;
|
|
break;
|
|
|
|
default:
|
|
code_command = ReadXCommand( text );
|
|
ok = ExecuteRS274XCommand( code_command, buff, text );
|
|
if( !ok )
|
|
goto exit;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// end of current line, read another one.
|
|
if( fgets( buff, GERBER_BUFZ, m_Current_File ) == NULL )
|
|
{
|
|
// end of file
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
text = buff;
|
|
}
|
|
|
|
exit:
|
|
return ok;
|
|
}
|
|
|
|
|
|
/*******************************************************************************/
|
|
bool GERBER::ExecuteRS274XCommand( int command, char buff[GERBER_BUFZ], char*& text )
|
|
/*******************************************************************************/
|
|
{
|
|
int code;
|
|
int xy_seq_len, xy_seq_char;
|
|
bool ok = TRUE;
|
|
char line[GERBER_BUFZ];
|
|
wxString msg;
|
|
double fcoord;
|
|
double conv_scale = m_GerbMetric ? PCB_INTERNAL_UNIT / 25.4 : PCB_INTERNAL_UNIT;
|
|
|
|
switch( command )
|
|
{
|
|
case FORMAT_STATEMENT:
|
|
xy_seq_len = 2;
|
|
|
|
while( *text != '*' )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case ' ':
|
|
text++;
|
|
break;
|
|
|
|
case 'L': // No Leading 0
|
|
m_NoTrailingZeros = FALSE;
|
|
text++;
|
|
break;
|
|
|
|
case 'T': // No trailing 0
|
|
m_NoTrailingZeros = TRUE;
|
|
text++;
|
|
break;
|
|
|
|
case 'A': // Absolute coord
|
|
m_Relative = FALSE;
|
|
text++;
|
|
break;
|
|
|
|
case 'I': // Absolute coord
|
|
m_Relative = TRUE;
|
|
text++;
|
|
break;
|
|
|
|
case 'N': // Sequence code (followed by the number of digits for the X,Y command
|
|
text++;
|
|
xy_seq_char = *text++;
|
|
if( (xy_seq_char >= '0') && (xy_seq_char <= '9') )
|
|
xy_seq_len = -'0';
|
|
break;
|
|
|
|
case 'X':
|
|
case 'Y': // Valeurs transmises :2 (really xy_seq_len : FIX ME) digits
|
|
{
|
|
code = *(text++);
|
|
char ctmp = *(text++) - '0';
|
|
if( code == 'X' )
|
|
{
|
|
m_FmtScale.x = *text - '0'; // = nb chiffres apres la virgule
|
|
m_FmtLen.x = ctmp + m_FmtScale.x; // = nb total de chiffres
|
|
}
|
|
else
|
|
{
|
|
m_FmtScale.y = *text - '0';
|
|
m_FmtLen.y = ctmp + m_FmtScale.y;
|
|
}
|
|
text++;
|
|
}
|
|
break;
|
|
|
|
case '*':
|
|
break;
|
|
|
|
default:
|
|
GetEndOfBlock( buff, text, m_Current_File );
|
|
ok = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case AXIS_SELECT:
|
|
case MIRROR_IMAGE:
|
|
ok = FALSE;
|
|
break;
|
|
|
|
case MODE_OF_UNITS:
|
|
code = ReadXCommand( text );
|
|
if( code == INCH )
|
|
m_GerbMetric = FALSE;
|
|
else if( code == MILLIMETER )
|
|
m_GerbMetric = TRUE;
|
|
conv_scale = m_GerbMetric ? PCB_INTERNAL_UNIT / 25.4 : PCB_INTERNAL_UNIT;
|
|
break;
|
|
|
|
case OFFSET: // command: OFAnnBnn (nn = float number)
|
|
m_Offset.x = m_Offset.y = 0;
|
|
while( *text != '*' )
|
|
{
|
|
switch( *text )
|
|
{
|
|
case 'A': // A axis offset in current unit (inch ou mm)
|
|
text++;
|
|
fcoord = ReadDouble( text );
|
|
m_Offset.x = (int) round( fcoord * conv_scale );
|
|
break;
|
|
|
|
case 'B': // B axis offset in current unit (inch ou mm)
|
|
text++;
|
|
fcoord = ReadDouble( text );
|
|
m_Offset.y = (int) round( fcoord * conv_scale );
|
|
break;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case SCALE_FACTOR:
|
|
case IMAGE_JUSTIFY:
|
|
case IMAGE_ROTATION:
|
|
case IMAGE_OFFSET:
|
|
case PLOTTER_FILM:
|
|
case LAYER_NAME:
|
|
case KNOCKOUT:
|
|
case STEP_AND_REPEAT:
|
|
case ROTATE:
|
|
msg.Printf( _( "Command <%c%c> ignored by Gerbview" ),
|
|
(command >> 8) & 0xFF, command & 0xFF );
|
|
if( g_DebugLevel > 0 )
|
|
wxMessageBox( msg );
|
|
break;
|
|
|
|
case IMAGE_NAME:
|
|
m_Name.Empty();
|
|
while( *text != '*' )
|
|
{
|
|
m_Name.Append( *text++ );
|
|
}
|
|
|
|
break;
|
|
|
|
case IMAGE_POLARITY:
|
|
if( strnicmp( text, "NEG", 3 ) == 0 )
|
|
{
|
|
D(printf("%s: m_ImageNegative=true\n", __func__);)
|
|
m_ImageNegative = TRUE;
|
|
}
|
|
else
|
|
{
|
|
D(printf("%s: m_ImageNegative=false\n", __func__);)
|
|
m_ImageNegative = FALSE;
|
|
}
|
|
break;
|
|
|
|
case LAYER_POLARITY:
|
|
if( *text == 'C' )
|
|
{
|
|
D(printf("%s: m_LayerNegative=true\n", __func__);)
|
|
m_LayerNegative = TRUE;
|
|
}
|
|
else
|
|
{
|
|
D(printf("%s: m_LayerNegative=false\n", __func__);)
|
|
m_LayerNegative = FALSE;
|
|
}
|
|
break;
|
|
|
|
case INCLUDE_FILE:
|
|
if( m_FilesPtr >= 10 )
|
|
{
|
|
ok = FALSE;
|
|
DisplayError( NULL, _( "Too many include files!!" ) );
|
|
break;
|
|
}
|
|
strcpy( line, text );
|
|
strtok( line, "*%%\n\r" );
|
|
m_FilesList[m_FilesPtr] = m_Current_File;
|
|
|
|
m_Current_File = fopen( line, "rt" );
|
|
if( m_Current_File == 0 )
|
|
{
|
|
wxString msg;
|
|
msg.Printf( wxT( "fichier <%s> non trouve" ), line );
|
|
DisplayError( NULL, msg, 10 );
|
|
ok = FALSE;
|
|
m_Current_File = m_FilesList[m_FilesPtr];
|
|
break;
|
|
}
|
|
m_FilesPtr++;
|
|
break;
|
|
|
|
case AP_MACRO:
|
|
ok = ReadApertureMacro( buff, text, m_Current_File );
|
|
if( !ok )
|
|
break;
|
|
break;
|
|
|
|
case AP_DEFINITION:
|
|
|
|
// input example: %ADD30R,0.081800X0.101500*%
|
|
// 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;
|
|
|
|
// 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 = dcode->m_Size.y =
|
|
(int) round( ReadDouble( text ) * conv_scale );
|
|
|
|
switch( stdAperture )
|
|
{
|
|
case 'C': // Circle
|
|
dcode->m_Shape = APT_CIRCLE;
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.x = dcode->m_Drill.y =
|
|
(int) round( ReadDouble( text ) * conv_scale );
|
|
dcode->m_DrillShape = 1;
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.y =
|
|
(int) round( ReadDouble( text ) * conv_scale );
|
|
|
|
dcode->m_DrillShape = 2;
|
|
}
|
|
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 =
|
|
(int) round( ReadDouble( text ) * conv_scale );
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'X' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.x = dcode->m_Drill.y =
|
|
(int) round( ReadDouble( text ) * conv_scale );
|
|
dcode->m_DrillShape = 1;
|
|
}
|
|
|
|
while( *text == ' ' )
|
|
text++;
|
|
|
|
if( *text == 'Y' )
|
|
{
|
|
text++;
|
|
dcode->m_Drill.y =
|
|
(int) round( ReadDouble( text ) * conv_scale );
|
|
dcode->m_DrillShape = 2;
|
|
}
|
|
dcode->m_Defined = TRUE;
|
|
break;
|
|
|
|
case 'P': // Polygon
|
|
dcode->m_Shape = APT_POLYGON;
|
|
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++ );
|
|
|
|
if( *text && *text==',' )
|
|
{
|
|
while( *text && *text!='*' )
|
|
{
|
|
double param = ReadDouble( text );
|
|
if( *text == 'X' )
|
|
++text;
|
|
|
|
dcode->AppendParam( param );
|
|
}
|
|
}
|
|
|
|
// lookup the aperture macro here.
|
|
APERTURE_MACRO* pam = FindApertureMacro( am_lookup );
|
|
if( !pam )
|
|
{
|
|
// @todo not found, don't know how to report an error
|
|
D( printf("aperture macro %s not found\n", CONV_TO_UTF8(am_lookup.name) );)
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
dcode->m_Shape = APT_MACRO;
|
|
|
|
D(printf("pam has %d parameters\n", pam->primitives.size() );)
|
|
|
|
dcode->SetMacro( (APERTURE_MACRO*) pam );
|
|
}
|
|
break;
|
|
|
|
default:
|
|
ok = FALSE;
|
|
break;
|
|
}
|
|
|
|
ok = GetEndOfBlock( buff, text, m_Current_File );
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
/*****************************************************************/
|
|
bool GetEndOfBlock( char buff[GERBER_BUFZ], 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;
|
|
}
|
|
|
|
|
|
/*******************************************************************/
|
|
bool GERBER::ReadApertureMacro( char buff[GERBER_BUFZ], char*& text, FILE* gerber_file )
|
|
/*******************************************************************/
|
|
{
|
|
APERTURE_MACRO am;
|
|
|
|
// read macro name
|
|
while( *text )
|
|
{
|
|
if( *text == '*' )
|
|
{
|
|
++text;
|
|
break;
|
|
}
|
|
|
|
am.name.Append( *text++ );
|
|
}
|
|
|
|
if( g_DebugLevel > 0 )
|
|
wxMessageBox( am.name, wxT( "macro name" ) );
|
|
|
|
for(;;)
|
|
{
|
|
am.primitives.push_back( AM_PRIMITIVE() );
|
|
|
|
AM_PRIMITIVE& prim = am.primitives.back();
|
|
|
|
if( *text == '*' )
|
|
++text;
|
|
|
|
if( *text == '\n' )
|
|
++text;
|
|
|
|
if( !*text )
|
|
{
|
|
text = buff;
|
|
if( fgets( buff, GERBER_BUFZ, gerber_file ) == NULL )
|
|
return false;
|
|
}
|
|
|
|
if( *text == '%' )
|
|
break; // exit with text still pointing at %
|
|
|
|
prim.primitive_id = (AM_PRIMITIVE_ID) ReadInt( text );
|
|
|
|
int paramCount;
|
|
|
|
switch( prim.primitive_id )
|
|
{
|
|
case AMP_CIRCLE:
|
|
paramCount = 4;
|
|
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 = 4;
|
|
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 and character offset.
|
|
D(printf("Invalid primitive id code %d\n", prim.primitive_id );)
|
|
return false;
|
|
}
|
|
|
|
for( int i=0; i<paramCount && *text && *text!='*'; ++i )
|
|
{
|
|
prim.params.push_back( DCODE_PARAM() );
|
|
|
|
DCODE_PARAM& param = prim.params.back();
|
|
|
|
if( *text == '$' )
|
|
{
|
|
++text;
|
|
param.SetIndex( ReadInt( text ) );
|
|
}
|
|
else
|
|
param.SetValue( ReadDouble( text ) );
|
|
}
|
|
|
|
// there are more parameters to read if this is an AMP_OUTLINE
|
|
if( prim.primitive_id == AMP_OUTLINE )
|
|
{
|
|
// params[1] is a count of polygon points, so it must be given
|
|
// in advance, i.e. be immediate.
|
|
wxASSERT( prim.params[1].IsImmediate() );
|
|
|
|
paramCount = (int) prim.params[1].GetValue(0) * 2 + 1;
|
|
|
|
for( int i=0; i<paramCount && *text && *text!='*'; ++i )
|
|
{
|
|
prim.params.push_back( DCODE_PARAM() );
|
|
|
|
DCODE_PARAM& param = prim.params.back();
|
|
|
|
if( *text == '$' )
|
|
{
|
|
++text;
|
|
param.SetIndex( ReadInt( text ) );
|
|
}
|
|
else
|
|
param.SetValue( ReadDouble( text ) );
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
m_aperture_macros.insert( am );
|
|
|
|
return true;
|
|
}
|
|
|