/**
* Function StepAndRepeatItem
* Gerber format has a command Step an Repeat
* This function must be called when reading a gerber file and
* after creating a new gerber item that must be repeated
* (i.e when m_XRepeatCount or m_YRepeatCount are > 1)
* @param aItem = the item to repeat
*/
void GERBER_FILE_IMAGE::StepAndRepeatItem( const GERBER_DRAW_ITEM& aItem )
{
if( GetLayerParams().m_XRepeatCount < 2 &&
GetLayerParams().m_YRepeatCount < 2 )
return; // Nothing to repeat
// Duplicate item:
for( int ii = 0; ii < GetLayerParams().m_XRepeatCount; ii++ )
{
for( int jj = 0; jj < GetLayerParams().m_YRepeatCount; jj++ )
{
// the first gerber item already exists (this is the template)
// create duplicate only if ii or jj > 0
if( jj == 0 && ii == 0 )
continue;
GERBER_DRAW_ITEM* dupItem = new GERBER_DRAW_ITEM( aItem );
wxPoint move_vector;
move_vector.x = scaletoIU( ii * GetLayerParams().m_StepForRepeat.x,
GetLayerParams().m_StepForRepeatMetric );
move_vector.y = scaletoIU( jj * GetLayerParams().m_StepForRepeat.y,
GetLayerParams().m_StepForRepeatMetric );
dupItem->MoveXY( move_vector );
m_Drawings.Append( dupItem );
}
}
}
bool GERBER_IMAGE::ExecuteRS274XCommand( int command,
char buff[GERBER_BUFZ],
char*& text )
{
int code;
int xy_seq_len; // not used, provided but not yet in use
int xy_seq_char;
bool ok = true;
char line[GERBER_BUFZ];
wxString msg;
double fcoord;
// conv_scale = scaling factor from inch to Internal Unit
double conv_scale = IU_PER_MILS * 1000;
if( m_GerbMetric )
conv_scale /= 25.4;
// D( printf( "%22s: Command <%c%c>\n", __func__, (command >> 8) & 0xFF, command & 0xFF ); )
switch( command )
{
case FORMAT_STATEMENT:
xy_seq_len = 2;
while( *text != '*' )
{
switch( *text )
{
case ' ':
text++;
break;
case 'L': // No Leading 0
m_DecimalFormat = false;
m_NoTrailingZeros = false;
text++;
break;
case 'T': // No trailing 0
m_DecimalFormat = false;
m_NoTrailingZeros = true;
text++;
break;
case 'D': // Decimal format: sometimes found, but not really documented
m_DecimalFormat = true;
text++;
break;
case 'A': // Absolute coord
m_Relative = false;
text++;
break;
case 'I': // Relative 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': // Values transmitted :2 (really xy_seq_len :
// digits
{
code = *(text++);
char ctmp = *(text++) - '0';
if( code == 'X' )
{
xy_seq_len--;
// number of digits after the decimal point (0 to 6 allowed)
m_FmtScale.x = *text - '0';
m_FmtLen.x = ctmp + m_FmtScale.x;
// m_FmtScale is 0 to 6
if( m_FmtScale.x < 0 )
m_FmtScale.x = 0;
if( m_FmtScale.x > 6 )
m_FmtScale.x = 6;
}
else
{
xy_seq_len--;
m_FmtScale.y = *text - '0';
m_FmtLen.y = ctmp + m_FmtScale.y;
if( m_FmtScale.y < 0 )
m_FmtScale.y = 0;
if( m_FmtScale.y > 6 )
m_FmtScale.y = 6;
}
text++;
}
break;
case '*':
break;
default:
GetEndOfBlock( buff, text, m_Current_File );
ok = false;
break;
}
}
if( xy_seq_len != 0 )
{
ReportMessage( wxT( "RS274X: suspicious Format Statement (FS) command" ) );
}
break;
case AXIS_SELECT: // command ASAXBY*% or %ASAYBX*%
m_SwapAxis = false;
if( strnicmp( text, "AYBX", 4 ) == 0 )
m_SwapAxis = true;
break;
case MIRROR_IMAGE: // commanf %MIA0B0*%, %MIA0B1*%, %MIA1B0*%, %MIA1B1*%
m_MirrorA = m_MirrorB = 0;
while( *text && *text != '*' )
{
switch( *text )
{
case 'A': // Mirror A axis ?
text++;
if( *text == '1' )
m_MirrorA = true;
break;
case 'B': // Mirror B axis ?
text++;
if( *text == '1' )
m_MirrorB = true;
break;
default:
text++;
break;
}
}
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 ? IU_PER_MILS / 25.4 : IU_PER_MILS;
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++;
fcoord = ReadDouble( text );
m_Offset.x = KiROUND( fcoord * conv_scale );
break;
case 'B': // B axis offset in current unit (inch or mm)
text++;
fcoord = ReadDouble( text );
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( strnicmp( text, "0*", 2 ) == 0 )
m_ImageRotation = 0;
if( strnicmp( text, "90*", 2 ) == 0 )
m_ImageRotation = 90;
if( strnicmp( text, "180*", 2 ) == 0 )
m_ImageRotation = 180;
if( strnicmp( text, "270*", 2 ) == 0 )
m_ImageRotation = 270;
else
ReportMessage( _( "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" ) ;
ReportMessage( 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++ );
}
ReportMessage( 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( strnicmp( text, "NEG", 3 ) == 0 )
m_ImageNegative = true;
else
m_ImageNegative = false;
D( 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;
D( printf( "%22s: LAYER_POLARITY m_LayerNegative=%s\n", __func__,
GetLayerParams().m_LayerNegative ? "true" : "false" ); )
break;
