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kicad/gerbview/excellon_read_drill_file.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2016 Jean-Pierre Charras <jp.charras at wanadoo.fr>
* Copyright (C) 1992-2023 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
*/
/*
* Here is a sample of drill files created by Pcbnew, in decimal format:
* (Note: coordinates formats are same as Gerber, and T commands are near Gerber D commands).
* M48
* ;DRILL file {PCBnew (2011-03-14 BZR 2894)-testing} date 15/03/2011 14:23:22
* ;FORMAT={-:-/ absolute / inch / decimal}
* FMAT,2
* INCH,TZ
* T1C0.02
* T2C0.032
* %
* G90
* G05
* M72
* T1
* X1.580Y-1.360
* X1.580Y-4.860
* X8.680Y-1.360
* X8.680Y-4.860
* T2
* X2.930Y-3.560
* X5.280Y-2.535
* X5.405Y-2.610
* X5.620Y-2.900
* T0
* M30
*/
/*
* Note there are some variant of tool definition:
* T1F00S00C0.2 or T1C0.02F00S00 ... Feed Rate and Spindle Speed of Tool 1
* Feed Rate and Spindle Speed are just skipped because they are not used in a viewer
*/
/**
* @file excellon_read_drill_file.cpp
* Functions to read drill files (EXCELLON format) created by Pcbnew
* These files use only a subset of EXCELLON commands.
*/
#include <math/util.h> // for KiROUND
#include <trigo.h> // for RotatePoint
#include <gerbview.h>
#include <gerbview_frame.h>
#include <gerber_file_image.h>
#include <gerber_file_image_list.h>
#include <excellon_image.h>
#include <excellon_defaults.h>
#include <macros.h>
#include <richio.h>
#include <string_utils.h>
#include <locale_io.h>
#include <X2_gerber_attributes.h>
#include <view/view.h>
#include <gerbview_settings.h>
#include <cmath>
#include <charconv>
#include <dialogs/html_message_box.h>
// A helper function to calculate the arc center of an arc
// known by 2 end points, the radius, and the angle direction (CW or CCW)
// Arc angles are <= 180 degrees in circular interpol.
static VECTOR2I computeCenter( VECTOR2I aStart, VECTOR2I aEnd, int& aRadius, bool aRotCCW )
{
VECTOR2I center;
VECTOR2D end;
end.x = double(aEnd.x - aStart.x);
end.y = double(aEnd.y - aStart.y);
// Be sure aRadius/2 > dist between aStart and aEnd
double min_radius = end.EuclideanNorm() * 2;
if( min_radius <= aRadius )
{
// Adjust the radius and the arc center for a 180 deg arc between end points
aRadius = KiROUND( min_radius );
center.x = ( aStart.x + aEnd.x + 1 ) / 2;
center.y = ( aStart.y + aEnd.y + 1 ) / 2;
return center;
}
/* to compute the centers position easily:
* rotate the segment (0,0 to end.x,end.y) to make it horizontal (end.y = 0).
* the X center position is end.x/2
* the Y center positions are on the vertical line starting at end.x/2, 0
* and solve aRadius^2 = X^2 + Y^2 (2 values)
*/
EDA_ANGLE seg_angle( end );
VECTOR2D h_segm = end;
RotatePoint( h_segm, seg_angle );
double cX = h_segm.x/2;
double cY1 = sqrt( (double)aRadius*aRadius - cX*cX );
double cY2 = -cY1;
VECTOR2D center1( cX, cY1 );
RotatePoint( center1, -seg_angle );
EDA_ANGLE arc_angle1 = EDA_ANGLE( end - center1 ) - EDA_ANGLE( VECTOR2D( 0.0, 0.0 ) - center1 );
VECTOR2D center2( cX, cY2 );
RotatePoint( center2, -seg_angle );
EDA_ANGLE arc_angle2 = EDA_ANGLE( end - center2 ) - EDA_ANGLE( VECTOR2D( 0.0, 0.0 ) - center2 );
if( !aRotCCW )
{
if( arc_angle1 < ANGLE_0 )
arc_angle1 += ANGLE_360;
if( arc_angle2 < ANGLE_0 )
arc_angle2 += ANGLE_360;
}
else
{
if( arc_angle1 > ANGLE_0 )
arc_angle1 -= ANGLE_360;
if( arc_angle2 > ANGLE_0 )
arc_angle2 -= ANGLE_360;
}
// Arc angle must be <= 180.0 degrees.
// So choose the center that create a arc angle <= 180.0
if( std::abs( arc_angle1 ) <= ANGLE_180 )
{
center.x = KiROUND( center1.x );
center.y = KiROUND( center1.y );
}
else
{
center.x = KiROUND( center2.x );
center.y = KiROUND( center2.y );
}
return center+aStart;
}
extern int ReadInt( char*& text, bool aSkipSeparator = true );
extern double ReadDouble( char*& text, bool aSkipSeparator = true );
// See rs274d.cpp:
extern void fillFlashedGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
APERTURE_T aAperture,
int Dcode_index,
const VECTOR2I& aPos,
VECTOR2I aSize,
bool aLayerNegative );
extern void fillLineGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
int Dcode_index,
const VECTOR2I& aStart,
const VECTOR2I& aEnd,
VECTOR2I aPenSize,
bool aLayerNegative );
extern void fillArcGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
int Dcode_index,
const VECTOR2I& aStart,
const VECTOR2I& aEnd,
const VECTOR2I& aRelCenter,
VECTOR2I aPenSize,
bool aClockwise,
bool aMultiquadrant,
bool aLayerNegative );
// Gerber X2 files have a file attribute which specify the type of image
// (copper, solder paste ... and sides tpo, bottom or inner copper layers)
// Excellon drill files do not have attributes, so, just to identify the image
// In gerbview, we add this attribute, similar to a Gerber drill file
static const char file_attribute[] = ".FileFunction,Other,Drill*";
static EXCELLON_CMD excellonHeaderCmdList[] =
{
{ "M0", DRILL_M_END, -1 }, // End of Program - No Rewind
{ "M00", DRILL_M_END, -1 }, // End of Program - No Rewind
{ "M15", DRILL_M_TOOL_DOWN, 0 }, // tool down (starting a routed hole)
{ "M16", DRILL_M_TOOL_UP, 0 }, // tool up (ending a routed hole)
{ "M17", DRILL_M_TOOL_UP, 0 }, // tool up similar to M16 for a viewer
{ "M30", DRILL_M_ENDFILE, -1 }, // End of File (last line of NC drill)
{ "M47", DRILL_M_MESSAGE, -1 }, // Operator Message
{ "M45", DRILL_M_LONGMESSAGE, -1 }, // Long Operator message (use more than one line)
{ "M48", DRILL_M_HEADER, 0 }, // beginning of a header
{ "M95", DRILL_M_ENDHEADER, 0 }, // End of the header
{ "METRIC", DRILL_METRIC_HEADER, 1 },
{ "INCH", DRILL_IMPERIAL_HEADER, 1 },
{ "M71", DRILL_M_METRIC, 1 },
{ "M72", DRILL_M_IMPERIAL, 1 },
{ "M25", DRILL_M_BEGINPATTERN, 0 }, // Beginning of Pattern
{ "M01", DRILL_M_ENDPATTERN, 0 }, // End of Pattern
{ "M97", DRILL_M_CANNEDTEXT, -1 },
{ "M98", DRILL_M_CANNEDTEXT, -1 },
{ "DETECT", DRILL_DETECT_BROKEN, -1 },
{ "ICI", DRILL_INCREMENTALHEADER, 1 },
{ "FMAT", DRILL_FMT, 1 }, // Use Format command
{ ";FILE_FORMAT",
DRILL_FORMAT_ALTIUM, 1 }, // Use Format command
{ ";", DRILL_HEADER_SKIP, 0 }, // Other ; hints that we don't implement
{ "ATC", DRILL_AUTOMATIC_TOOL_CHANGE, 0 },
{ "TCST", DRILL_TOOL_CHANGE_STOP, 0 }, // Tool Change Stop
{ "AFS", DRILL_AUTOMATIC_SPEED, 0 }, // Automatic Feeds and Speeds
{ "VER", DRILL_AXIS_VERSION, 1 }, // Selection of X and Y Axis Version
{ "R", DRILL_RESET_CMD, -1 }, // Reset commands
{ "%", DRILL_REWIND_STOP, -1 }, // Rewind stop. End of the header
{ "/", DRILL_SKIP, -1 }, // Clear Tool Linking. End of the header
// Keep this item after all commands starting by 'T':
{ "T", DRILL_TOOL_INFORMATION, 0 }, // Tool Information
{ "", DRILL_M_UNKNOWN, 0 } // last item in list
};
static EXCELLON_CMD excellon_G_CmdList[] =
{
{ "G90", DRILL_G_ABSOLUTE, 0 }, // Absolute Mode
{ "G91", DRILL_G_INCREMENTAL, 0 }, // Incremental Input Mode
{ "G90", DRILL_G_ZEROSET, 0 }, // Absolute Mode
{ "G00", DRILL_G_ROUT, 1 }, // Route Mode
{ "G05", DRILL_G_DRILL, 0 }, // Drill Mode
{ "G85", DRILL_G_SLOT, 0 }, // Canned Mode slot (oval holes)
{ "G01", DRILL_G_LINEARMOVE, 1 }, // Linear (Straight Line) routing Mode
{ "G02", DRILL_G_CWMOVE, 1 }, // Circular CW Mode
{ "G03", DRILL_G_CCWMOVE, 1 }, // Circular CCW Mode
{ "G93", DRILL_G_ZERO_SET, 1 }, // Zero Set (XnnYmm and coordinates origin)
{ "", DRILL_G_UNKNOWN, 0 }, // last item in list
};
bool GERBVIEW_FRAME::Read_EXCELLON_File( const wxString& aFullFileName )
{
wxString msg;
int layerId = GetActiveLayer(); // current layer used in GerbView
GERBER_FILE_IMAGE_LIST* images = GetGerberLayout()->GetImagesList();
GERBER_FILE_IMAGE* gerber_layer = images->GetGbrImage( layerId );
// If the active layer contains old gerber or nc drill data, remove it
if( gerber_layer )
Erase_Current_DrawLayer( false );
std::unique_ptr<EXCELLON_IMAGE> drill_layer_uptr = std::make_unique<EXCELLON_IMAGE>( layerId );
EXCELLON_DEFAULTS nc_defaults;
GERBVIEW_SETTINGS* cfg = static_cast<GERBVIEW_SETTINGS*>( config() );
cfg->GetExcellonDefaults( nc_defaults );
// Read the Excellon drill file:
bool success = drill_layer_uptr->LoadFile( aFullFileName, &nc_defaults );
if( !success )
{
drill_layer_uptr.reset();
msg.Printf( _( "File %s not found." ), aFullFileName );
ShowInfoBarError( msg );
return false;
}
EXCELLON_IMAGE* drill_layer = drill_layer_uptr.release();
layerId = images->AddGbrImage( drill_layer, layerId );
if( layerId < 0 )
{
delete drill_layer;
ShowInfoBarError( _( "No empty layers to load file into." ) );
return false;
}
// Display errors list
if( drill_layer->GetMessages().size() > 0 )
{
HTML_MESSAGE_BOX dlg( this, _( "Error reading EXCELLON drill file" ) );
dlg.ListSet( drill_layer->GetMessages() );
dlg.ShowModal();
}
if( GetCanvas() )
{
for( GERBER_DRAW_ITEM* item : drill_layer->GetItems() )
GetCanvas()->GetView()->Add( (KIGFX::VIEW_ITEM*) item );
}
return success;
}
void EXCELLON_IMAGE::ResetDefaultValues()
{
GERBER_FILE_IMAGE::ResetDefaultValues();
SelectUnits( false, nullptr ); // Default unit = inch
m_hasFormat = false; // will be true if a Altium file containing
// the nn:mm file format is read
// Files using non decimal can use No Trailing zeros or No leading Zeros
// Unfortunately, the identifier (INCH,TZ or INCH,LZ for instance) is not
// always set in drill files.
// The option leading zeros looks like more frequent, so use this default
m_NoTrailingZeros = true;
}
/*
* Original function derived from drill_file_p() of gerbv 2.7.0.
* Copyright of the source file drill.cpp included below:
*/
/*
* gEDA - GNU Electronic Design Automation
* drill.c
* Copyright (C) 2000-2006 Andreas Andersson
*
* $Id$
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
bool EXCELLON_IMAGE::TestFileIsExcellon( const wxString& aFullFileName )
{
char* letter;
bool foundM48 = false;
bool foundM30 = false;
bool foundPercent = false;
bool foundT = false;
bool foundX = false;
bool foundY = false;
FILE* file = wxFopen( aFullFileName, "rb" );
if( file == nullptr )
return false;
FILE_LINE_READER excellonReader( file, aFullFileName );
try
{
while( true )
{
if( excellonReader.ReadLine() == nullptr )
break;
// Remove all whitespace from the beginning and end
char* line = StrPurge( excellonReader.Line() );
// Skip empty lines
if( *line == 0 )
continue;
// Check that file is not binary (non-printing chars)
for( size_t i = 0; i < strlen( line ); i++ )
{
if( !isascii( line[i] ) )
return false;
}
// We don't want to look for any commands after a comment so
// just end the line early if we find a comment
char* buf = strstr( line, ";" );
if( buf != nullptr )
*buf = 0;
// Check for M48 = start of drill header
if( strstr( line, "M48" ) )
foundM48 = true;
// Check for M30 = end of drill program
if( strstr( line, "M30" ) )
if( foundPercent )
foundM30 = true; // Found M30 after % = good
// Check for % on its own line at end of header
if( ( letter = strstr( line, "%" ) ) != nullptr )
if( ( letter[1] == '\r' ) || ( letter[1] == '\n' ) )
foundPercent = true;
// Check for T<number>
if( ( letter = strstr( line, "T" ) ) != nullptr )
{
if( !foundT && ( foundX || foundY ) )
foundT = false; /* Found first T after X or Y */
else
{
double x_val;
if( wxString( letter + 1 ).ToCDouble( &x_val ) )
foundT = true;
}
}
// look for X<number> or Y<number>
if( ( letter = strstr( line, "X" ) ) != nullptr )
{
double x_val;
if( wxString( letter + 1 ).ToCDouble( &x_val ) )
foundX = true;
}
if( ( letter = strstr( line, "Y" ) ) != nullptr )
{
double x_val;
if( wxString( letter + 1 ).ToCDouble( &x_val ) )
foundY = true;
}
}
}
catch( IO_ERROR& )
{
return false;
}
/* Now form logical expression determining if this is a drill file */
if( ( ( foundX || foundY ) && foundT ) && ( foundM48 || ( foundPercent && foundM30 ) ) )
return true;
else if( foundM48 && foundT && foundPercent && foundM30 )
/* Pathological case of drill file with valid header
and EOF but no drill XY locations. */
return true;
return false;
}
/*
* Read a EXCELLON file.
* Gerber classes are used because there is likeness between Gerber files
* and Excellon files
* DCode can easily store T code (tool size) as round (or oval) shape
* Drill commands are similar to flashed gerber items
* Routing commands are similar to Gerber polygons
* coordinates have the same format as Gerber, can be given in:
* decimal format (i.i. floating notation format)
* integer 2.4 format in imperial units,
* integer 3.2 or 3.3 format (metric units).
*/
bool EXCELLON_IMAGE::LoadFile( const wxString & aFullFileName, EXCELLON_DEFAULTS* aDefaults )
{
// Set the default parameter values:
ResetDefaultValues();
ClearMessageList();
m_Current_File = wxFopen( aFullFileName, wxT( "rt" ) );
if( m_Current_File == nullptr )
return false;
// Initial format setting, usualy defined in file, but not always...
m_NoTrailingZeros = aDefaults->m_LeadingZero;
m_GerbMetric = aDefaults->m_UnitsMM;
wxString msg;
m_FileName = aFullFileName;
LOCALE_IO toggleIo;
// FILE_LINE_READER will close the file.
FILE_LINE_READER excellonReader( m_Current_File, m_FileName );
while( true )
{
if( excellonReader.ReadLine() == nullptr )
break;
char* line = excellonReader.Line();
char* text = StrPurge( line );
if( *text == 0 ) // Skip empty lines
continue;
if( m_State == EXCELLON_IMAGE::READ_HEADER_STATE )
{
Execute_HEADER_And_M_Command( text );
// Now units (inch/mm) are known, set the coordinate format
SelectUnits( m_GerbMetric, aDefaults );
}
else
{
switch( *text )
{
case ';':
case 'M':
Execute_HEADER_And_M_Command( text );
break;
case 'G': // Line type Gxx : command
Execute_EXCELLON_G_Command( text );
break;
case 'X':
case 'Y': // command like X12550Y19250
Execute_Drill_Command(text);
break;
case 'I':
case 'J': /* Auxiliary Move command */
m_IJPos = ReadIJCoord( text );
if( *text == '*' ) // command like X35142Y15945J504
{
Execute_Drill_Command( text);
}
break;
case 'T': // Select Tool command (can also create
// the tool with an embedded definition)
Select_Tool( text );
break;
case '%':
break;
default:
msg.Printf( wxT( "Unexpected symbol 0x%2.2X &lt;%c&gt;" ), *text, *text );
AddMessageToList( msg );
break;
} // End switch
}
}
// Add our file attribute, to identify the drill file
X2_ATTRIBUTE dummy;
char* text = (char*)file_attribute;
int dummyline = 0;
dummy.ParseAttribCmd( nullptr, nullptr, 0, text, dummyline );
delete m_FileFunction;
m_FileFunction = new X2_ATTRIBUTE_FILEFUNCTION( dummy );
m_InUse = true;
return true;
}
bool EXCELLON_IMAGE::Execute_HEADER_And_M_Command( char*& text )
{
EXCELLON_CMD* cmd = nullptr;
wxString msg;
// Search command in list
for( unsigned ii = 0; ; ii++ )
{
EXCELLON_CMD* candidate = &excellonHeaderCmdList[ii];
int len = candidate->m_Name.size();
if( len == 0 ) // End of list reached
break;
if( candidate->m_Name.compare( 0, len, text, len ) == 0 ) // found.
{
cmd = candidate;
text += len;
break;
}
}
if( !cmd )
{
msg.Printf( _( "Unknown Excellon command &lt;%s&gt;" ), text );
AddMessageToList( msg );
while( *text )
text++;
return false;
}
// Execute command
// some do nothing
switch( cmd->m_Code )
{
case DRILL_SKIP:
case DRILL_M_UNKNOWN:
break;
case DRILL_M_END:
case DRILL_M_ENDFILE:
// if a route command is in progress, finish it
if( m_RouteModeOn )
FinishRouteCommand();
break;
case DRILL_M_MESSAGE:
break;
case DRILL_M_LONGMESSAGE:
break;
case DRILL_M_HEADER:
m_State = READ_HEADER_STATE;
break;
case DRILL_M_ENDHEADER:
m_State = READ_PROGRAM_STATE;
break;
case DRILL_REWIND_STOP: // End of header. No action in a viewer
m_State = READ_PROGRAM_STATE;
break;
case DRILL_FORMAT_ALTIUM:
readFileFormat( text );
break;
case DRILL_HEADER_SKIP:
break;
case DRILL_M_METRIC:
SelectUnits( true, nullptr );
break;
case DRILL_IMPERIAL_HEADER: // command like INCH,TZ or INCH,LZ
case DRILL_METRIC_HEADER: // command like METRIC,TZ or METRIC,LZ
SelectUnits( cmd->m_Code == DRILL_METRIC_HEADER ? true : false, nullptr );
if( *text != ',' )
{
// No TZ or LZ specified. Should be a decimal format
// but this is not always the case. Use our default setting
break;
}
text++; // skip separator
if( *text == 'T' )
m_NoTrailingZeros = false;
else
m_NoTrailingZeros = true;
break;
case DRILL_M_BEGINPATTERN:
break;
case DRILL_M_ENDPATTERN:
break;
case DRILL_M_CANNEDTEXT:
break;
case DRILL_M_TIPCHECK:
break;
case DRILL_DETECT_BROKEN:
break;
case DRILL_INCREMENTALHEADER:
if( *text != ',' )
{
AddMessageToList( wxT( "ICI command has no parameter" ) );
break;
}
text++; // skip separator
// Parameter should be ON or OFF
if( strncasecmp( text, "OFF", 3 ) == 0 )
m_Relative = false;
else if( strncasecmp( text, "ON", 2 ) == 0 )
m_Relative = true;
else
AddMessageToList( wxT( "ICI command has incorrect parameter" ) );
break;
case DRILL_TOOL_CHANGE_STOP:
break;
case DRILL_AUTOMATIC_SPEED:
break;
case DRILL_AXIS_VERSION:
break;
case DRILL_RESET_CMD:
break;
case DRILL_AUTOMATIC_TOOL_CHANGE:
break;
case DRILL_FMT:
break;
case DRILL_TOOL_INFORMATION:
readToolInformation( text );
break;
case DRILL_M_TOOL_DOWN: // tool down (starting a routed hole or polyline)
// Only the last position is useful:
if( m_RoutePositions.size() > 1 )
m_RoutePositions.erase( m_RoutePositions.begin(), m_RoutePositions.begin() + m_RoutePositions.size() - 1 );
break;
case DRILL_M_TOOL_UP: // tool up (ending a routed polyline)
FinishRouteCommand();
break;
}
while( *text )
text++;
return true;
}
void EXCELLON_IMAGE::readFileFormat( char*& aText )
{
int mantissaDigits = 0;
int characteristicDigits = 0;
// Example String: ;FILE_FORMAT=4:4
// The ;FILE_FORMAT potion will already be stripped off.
// Parse the rest strictly as single_digit:single_digit like 4:4 or 2:4
// Don't allow anything clever like spaces or multiple digits
if( *aText != '=' )
return;
aText++;
if( !isdigit( *aText ) )
return;
characteristicDigits = *aText - '0';
aText++;
if( *aText != ':' )
return;
aText++;
if( !isdigit( *aText ) )
return;
mantissaDigits = *aText - '0';
m_hasFormat = true;
m_FmtLen.x = m_FmtLen.y = characteristicDigits + mantissaDigits;
m_FmtScale.x = m_FmtScale.y = mantissaDigits;
}
bool EXCELLON_IMAGE::readToolInformation( char*& aText )
{
// Read a tool definition like T1C0.02 or T1F00S00C0.02 or T1C0.02F00S00
// and enter the TCODE param in list (using the D_CODE param management, which
// is similar to TCODE params.
if( *aText == 'T' ) // This is the beginning of the definition
aText++;
// Read tool number:
int iprm = ReadInt( aText, false );
// Skip Feed rate and Spindle speed, if any here
while( *aText && ( *aText == 'F' || *aText == 'S' ) )
{
aText++;
ReadInt( aText, false );
}
// Read tool shape
if( ! *aText )
AddMessageToList( wxString:: Format(
_( "Tool definition shape not found" ) ) );
else if( *aText != 'C' )
AddMessageToList( wxString:: Format(
_( "Tool definition '%c' not supported" ), *aText ) );
if( *aText )
aText++;
//read tool diameter:
double dprm = ReadDouble( aText, false );
m_Has_DCode = true;
// Initialize Dcode to handle this Tool
// Remember: dcodes are >= FIRST_DCODE
D_CODE* dcode = GetDCODEOrCreate( iprm + FIRST_DCODE );
if( dcode == nullptr )
return false;
// conv_scale = scaling factor from inch to Internal Unit
double conv_scale = gerbIUScale.IU_PER_MILS * 1000;
if( m_GerbMetric )
conv_scale /= 25.4;
dcode->m_Size.x = dcode->m_Size.y = KiROUND( dprm * conv_scale );
dcode->m_ApertType = APT_CIRCLE;
dcode->m_Defined = true;
return true;
}
bool EXCELLON_IMAGE::Execute_Drill_Command( char*& text )
{
D_CODE* tool;
GERBER_DRAW_ITEM * gbritem;
while( true )
{
switch( *text )
{
case 'X':
case 'Y':
ReadXYCoord( text, true );
if( *text == 'I' || *text == 'J' )
ReadIJCoord( text );
break;
case 'G': // G85 is found here for oval holes
m_PreviousPos = m_CurrentPos;
Execute_EXCELLON_G_Command( text );
break;
case 0: // E.O.L: execute command
if( m_RouteModeOn )
{
// We are in routing mode, and this is an intermediate point.
// So just store it
int rmode = 0; // linear routing.
if( m_Iterpolation == GERB_INTERPOL_ARC_NEG )
rmode = ROUTE_CW;
else if( m_Iterpolation == GERB_INTERPOL_ARC_POS )
rmode = ROUTE_CCW;
if( m_LastArcDataType == ARC_INFO_TYPE_CENTER )
{
EXCELLON_ROUTE_COORD point( m_CurrentPos, m_IJPos, rmode );
m_RoutePositions.push_back( point );
}
else
{
EXCELLON_ROUTE_COORD point( m_CurrentPos, m_ArcRadius, rmode );
m_RoutePositions.push_back( point );
}
return true;
}
tool = GetDCODE( m_Current_Tool );
if( !tool )
{
wxString msg;
msg.Printf( _( "Tool %d not defined" ), m_Current_Tool );
AddMessageToList( msg );
return false;
}
gbritem = new GERBER_DRAW_ITEM( this );
AddItemToList( gbritem );
if( m_SlotOn ) // Oblong hole
{
fillLineGBRITEM( gbritem, tool->m_Num_Dcode,
m_PreviousPos, m_CurrentPos,
tool->m_Size, false );
// the hole is made: reset the slot on command (G85)
// (it is needed for each oblong hole)
m_SlotOn = false;
}
else
{
fillFlashedGBRITEM( gbritem, tool->m_ApertType, tool->m_Num_Dcode,
m_CurrentPos, tool->m_Size, false );
}
StepAndRepeatItem( *gbritem );
m_PreviousPos = m_CurrentPos;
return true;
break;
default:
text++;
break;
}
}
return true;
}
bool EXCELLON_IMAGE::Select_Tool( char*& text )
{
// Select the tool from the command line Tn, with n = 1 ... TOOLS_MAX_COUNT - 1
// Because some drill file have an embedded TCODE definition (like T1C.008F0S0)
// in tool selection command, if the tool is not defined in list,
// and the definition is embedded, it will be entered in list
char * startline = text; // the tool id starts here.
int tool_id = CodeNumber( text );
// T0 is legal, but is not a selection tool. it is a special command
if( tool_id >= 0 )
{
int dcode_id = tool_id + FIRST_DCODE; // Remember: dcodes are >= FIRST_DCODE
if( dcode_id > (TOOLS_MAX_COUNT - 1) )
dcode_id = TOOLS_MAX_COUNT - 1;
m_Current_Tool = dcode_id;
D_CODE* currDcode = GetDCODE( dcode_id );
// if the tool does not exist, and the definition is embedded, create this tool
if( currDcode == nullptr && tool_id > 0 )
{
text = startline; // text starts at the beginning of the command
readToolInformation( text );
currDcode = GetDCODE( dcode_id );
}
// If the Tool is still not existing, create a dummy tool
if( !currDcode )
currDcode = GetDCODEOrCreate( dcode_id, true );
if( currDcode )
currDcode->m_InUse = true;
}
while( *text )
text++;
return tool_id >= 0;
}
bool EXCELLON_IMAGE::Execute_EXCELLON_G_Command( char*& text )
{
EXCELLON_CMD* cmd = nullptr;
bool success = false;
int id = DRILL_G_UNKNOWN;
// Search command in list
EXCELLON_CMD* candidate;
char * gcmd = text; // gcmd points the G command, for error messages.
for( unsigned ii = 0; ; ii++ )
{
candidate = &excellon_G_CmdList[ii];
int len = candidate->m_Name.size();
if( len == 0 ) // End of list reached
break;
if( candidate->m_Name.compare( 0, len, text, len ) == 0 ) // found.
{
cmd = candidate;
text += len;
success = true;
id = cmd->m_Code;
break;
}
}
switch( id )
{
case DRILL_G_ZERO_SET:
ReadXYCoord( text, true );
m_Offset = m_CurrentPos;
break;
case DRILL_G_ROUT:
m_SlotOn = false;
if( m_RouteModeOn )
FinishRouteCommand();
m_RouteModeOn = true;
m_RoutePositions.clear();
m_LastArcDataType = ARC_INFO_TYPE_NONE;
ReadXYCoord( text, true );
// This is the first point (starting point) of routing
m_RoutePositions.emplace_back( m_CurrentPos );
break;
case DRILL_G_DRILL:
m_SlotOn = false;
if( m_RouteModeOn )
FinishRouteCommand();
m_RouteModeOn = false;
m_RoutePositions.clear();
m_LastArcDataType = ARC_INFO_TYPE_NONE;
break;
case DRILL_G_SLOT:
m_SlotOn = true;
break;
case DRILL_G_LINEARMOVE:
m_LastArcDataType = ARC_INFO_TYPE_NONE;
m_Iterpolation = GERB_INTERPOL_LINEAR_1X;
ReadXYCoord( text, true );
m_RoutePositions.emplace_back( m_CurrentPos );
break;
case DRILL_G_CWMOVE:
m_Iterpolation = GERB_INTERPOL_ARC_NEG;
ReadXYCoord( text, true );
if( *text == 'I' || *text == 'J' )
ReadIJCoord( text );
if( m_LastArcDataType == ARC_INFO_TYPE_CENTER )
m_RoutePositions.emplace_back( m_CurrentPos, m_IJPos, ROUTE_CW );
else
m_RoutePositions.emplace_back( m_CurrentPos, m_ArcRadius, ROUTE_CW );
break;
case DRILL_G_CCWMOVE:
m_Iterpolation = GERB_INTERPOL_ARC_POS;
ReadXYCoord( text, true );
if( *text == 'I' || *text == 'J' )
ReadIJCoord( text );
if( m_LastArcDataType == ARC_INFO_TYPE_CENTER )
m_RoutePositions.emplace_back( m_CurrentPos, m_IJPos, ROUTE_CCW );
else
m_RoutePositions.emplace_back( m_CurrentPos, m_ArcRadius, ROUTE_CCW );
break;
case DRILL_G_ABSOLUTE:
m_Relative = false; // false = absolute coord
break;
case DRILL_G_INCREMENTAL:
m_Relative = true; // true = relative coord
break;
case DRILL_G_UNKNOWN:
default:
AddMessageToList( wxString::Format( _( "Unknown Excellon G Code: &lt;%s&gt;" ), From_UTF8(gcmd) ) );
while( *text )
text++;
return false;
}
return success;
}
void EXCELLON_IMAGE::SelectUnits( bool aMetric, EXCELLON_DEFAULTS* aDefaults )
{
/* Coordinates are measured either in inch or metric (millimeters).
* Inch coordinates are in six digits (00.0000) with increments
* as small as 0.0001 (1/10,000).
* Metric coordinates can be measured in microns (thousandths of a millimeter)
* in one of the following three ways:
* Five digit 10 micron resolution (000.00)
* Six digit 10 micron resolution (0000.00)
* Six digit micron resolution (000.000)
*
* Inches: Default fmt = 2.4 for X and Y axis: 6 digits with 0.0001 resolution
* metric: Default fmt = 3.3 for X and Y axis: 6 digits, 1 micron resolution
*
* However some drill files do not use standard values.
*/
if( aMetric )
{
m_GerbMetric = true;
if( !m_hasFormat )
{
if( aDefaults )
{
// number of digits in mantissa
m_FmtScale.x = m_FmtScale.y = aDefaults->m_MmMantissaLen;
// number of digits (mantissa+integer)
m_FmtLen.x = m_FmtLen.y = aDefaults->m_MmIntegerLen
+ aDefaults->m_MmMantissaLen;
}
else
{
m_FmtScale.x = m_FmtScale.y = FMT_MANTISSA_MM;
m_FmtLen.x = m_FmtLen.y = FMT_INTEGER_MM + FMT_MANTISSA_MM;
}
}
}
else
{
m_GerbMetric = false;
if( !m_hasFormat )
{
if( aDefaults )
{
m_FmtScale.x = m_FmtScale.y = aDefaults->m_InchMantissaLen;
m_FmtLen.x = m_FmtLen.y = aDefaults->m_InchIntegerLen
+ aDefaults->m_InchMantissaLen;
}
else
{
m_FmtScale.x = m_FmtScale.y = FMT_MANTISSA_INCH;
m_FmtLen.x = m_FmtLen.y = FMT_INTEGER_INCH + FMT_MANTISSA_INCH;
}
}
}
}
void EXCELLON_IMAGE::FinishRouteCommand()
{
// Ends a route command started by M15 ot G01, G02 or G03 command
// if a route command is not in progress, do nothing
if( !m_RouteModeOn )
return;
D_CODE* tool = GetDCODE( m_Current_Tool );
if( !tool )
{
AddMessageToList( wxString::Format( wxT( "Unknown tool code %d" ), m_Current_Tool ) );
return;
}
for( size_t ii = 1; ii < m_RoutePositions.size(); ii++ )
{
GERBER_DRAW_ITEM* gbritem = new GERBER_DRAW_ITEM( this );
if( m_RoutePositions[ii].m_rmode == 0 ) // linear routing
{
fillLineGBRITEM( gbritem, tool->m_Num_Dcode,
m_RoutePositions[ii-1].GetPos(), m_RoutePositions[ii].GetPos(),
tool->m_Size, false );
}
else // circular (cw or ccw) routing
{
bool rot_ccw = m_RoutePositions[ii].m_rmode == ROUTE_CW;
int radius = m_RoutePositions[ii].m_radius; // Can be adjusted by computeCenter.
VECTOR2I center;
if( m_RoutePositions[ii].m_arc_type_info == ARC_INFO_TYPE_CENTER )
center = VECTOR2I( m_RoutePositions[ii].m_cx, m_RoutePositions[ii].m_cy );
else
center = computeCenter( m_RoutePositions[ii-1].GetPos(),
m_RoutePositions[ii].GetPos(), radius, rot_ccw );
fillArcGBRITEM( gbritem, tool->m_Num_Dcode,
m_RoutePositions[ii-1].GetPos(), m_RoutePositions[ii].GetPos(),
center - m_RoutePositions[ii-1].GetPos(),
tool->m_Size, not rot_ccw , true,
false );
}
AddItemToList( gbritem );
StepAndRepeatItem( *gbritem );
}
m_RoutePositions.clear();
m_RouteModeOn = false;
}
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