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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) 1992-2018 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
*/
/*
* 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 <gerbview.h>
#include <gerbview_frame.h>
#include <gerber_file_image.h>
#include <gerber_file_image_list.h>
#include <excellon_image.h>
#include <kicad_string.h>
#include <locale_io.h>
#include <X2_gerber_attributes.h>
#include <view/view.h>
#include <cmath>
#include <html_messagebox.h>
// Default format for dimensions: they are the default values, not the actual values
// number of digits in mantissa:
static const int fmtMantissaMM = 3;
static const int fmtMantissaInch = 4;
// number of digits, integer part:
static const int fmtIntegerMM = 3;
static const int fmtIntegerInch = 2;
// 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 wxPoint computeCenter(wxPoint aStart, wxPoint aEnd, int& aRadius, bool aRotCCW )
{
wxPoint 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)
*/
double seg_angle = end.Angle(); //in radian
VECTOR2D h_segm = end.Rotate( - seg_angle );
double cX = h_segm.x/2;
double cY1 = sqrt( (double)aRadius*aRadius - cX*cX );
double cY2 = -cY1;
VECTOR2D center1( cX, cY1 );
center1 = center1.Rotate( seg_angle );
double arc_angle1 = (end - center1).Angle() - (VECTOR2D(0.0,0.0) - center1).Angle();
VECTOR2D center2( cX, cY2 );
center2 = center2.Rotate( seg_angle );
double arc_angle2 = (end - center2).Angle() - (VECTOR2D(0.0,0.0) - center2).Angle();
if( !aRotCCW )
{
if( arc_angle1 < 0.0 )
arc_angle1 += 2*M_PI;
if( arc_angle2 < 0.0 )
arc_angle2 += 2*M_PI;
}
else
{
if( arc_angle1 > 0.0 )
arc_angle1 -= 2*M_PI;
if( arc_angle2 > 0.0 )
arc_angle2 -= 2*M_PI;
}
// Arc angle must be <= 180.0 degrees.
// So choose the center that create a arc angle <= 180.0
if( std::abs( arc_angle1 ) <= M_PI )
{
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 wxPoint& aPos,
wxSize aSize,
bool aLayerNegative );
extern void fillLineGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
int Dcode_index,
const wxPoint& aStart,
const wxPoint& aEnd,
wxSize aPenSize,
bool aLayerNegative );
extern void fillArcGBRITEM( GERBER_DRAW_ITEM* aGbrItem, int Dcode_index,
const wxPoint& aStart, const wxPoint& aEnd,
const wxPoint& aRelCenter, wxSize 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, similat 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
{ "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();
auto gerber_layer = images->GetGbrImage( layerId );
// OIf the active layer contains old gerber or nc drill data, remove it
if( gerber_layer )
Erase_Current_DrawLayer( false );
EXCELLON_IMAGE* drill_layer = new EXCELLON_IMAGE( layerId );
// Read the Excellon drill file:
bool success = drill_layer->LoadFile( aFullFileName );
if( !success )
{
delete drill_layer;
msg.Printf( _( "File %s not found." ), aFullFileName );
ShowInfoBarError( msg );
return false;
}
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;
}
/*
* 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 )
{
// Set the default parmeter values:
ResetDefaultValues();
ClearMessageList();
m_Current_File = wxFopen( aFullFileName, "rt" );
if( m_Current_File == NULL )
return false;
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() == 0 )
break;
char* line = excellonReader.Line();
char* text = StrPurge( line );
if( *text == ';' || *text == 0 ) // comment: skip line or empty malformed line
continue;
if( m_State == EXCELLON_IMAGE::READ_HEADER_STATE )
{
Execute_HEADER_And_M_Command( text );
}
else
{
switch( *text )
{
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': // Tool command
Select_Tool( text );
break;
case '%':
break;
default:
msg.Printf( "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( NULL, NULL, 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 = NULL;
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_M_METRIC:
SelectUnits( true );
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 );
if( *text != ',' )
{
// No TZ or LZ specified. Should be a decimal format
// but this is not always the case. Use default TZ setting as default
m_NoTrailingZeros = false;
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( "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( "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 usefull:
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;
}
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 == NULL )
return false;
// conv_scale = scaling factor from inch to Internal Unit
double conv_scale = 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_Shape = 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_Shape, 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 = TCodeNumber( 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 = GetDCODEOrCreate( dcode_id, true );
if( currDcode == NULL && tool_id > 0 ) // if the definition is embedded, enter it
{
text = startline; // text starts at the beginning of the command
readToolInformation( text );
currDcode = GetDCODE( dcode_id );
}
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 = NULL;
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 )
{
/* 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
*/
if( aMetric )
{
m_GerbMetric = true;
// number of digits in mantissa
m_FmtScale.x = m_FmtScale.y = fmtMantissaMM;
// number of digits (mantissa+interger)
m_FmtLen.x = m_FmtLen.y = fmtIntegerMM+fmtMantissaMM;
}
else
{
m_GerbMetric = false;
m_FmtScale.x = m_FmtScale.y = fmtMantissaInch;
m_FmtLen.x = m_FmtLen.y = fmtIntegerInch+fmtMantissaInch;
}
}
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( "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.
wxPoint center;
if( m_RoutePositions[ii].m_arc_type_info == ARC_INFO_TYPE_CENTER )
center = wxPoint( 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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