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/******************************************/
/* Kicad: Common plot GERBER Routines */
/******************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "trigo.h"
#include "wxstruct.h"
#include "base_struct.h"
#include "common.h"
#include "plot_common.h"
#include "macros.h"
#include "kicad_string.h"
/** function set_viewport
* Set the plot offset for the current plotting
* @param aOffset = plot offset
* @param aScale = coordinate scale (scale coefficient for coordinates)
*/
void GERBER_PLOTTER::set_viewport( wxPoint offset,
double aScale, int orient )
{
wxASSERT( !output_file );
wxASSERT( orient == 0 );
plot_orient_options = 0;
plot_offset = offset;
wxASSERT( aScale == 1 );
plot_scale = 1;
device_scale = 1;
set_default_line_width( 100 ); /* line thickness in 1 / 1000 inch */
}
/** Function start_plot
* Write GERBER header to file
* initialize global variable g_Plot_PlotOutputFile
* @param aFile: an opened file to write to
*/
void GERBER_PLOTTER::start_plot( FILE* aFile )
{
char Line[1024];
wxASSERT( !output_file );
final_file = aFile;
work_file = tmpfile();
output_file = work_file;
DateAndTime( Line );
wxString Title = creator + wxT( " " ) + GetBuildVersion();
fprintf( output_file, "G04 (created by %s) date %s*\n",
CONV_TO_UTF8( Title ), Line );
// Specify linear interpol (G01), unit = INCH (G70), abs format (G90):
fputs( "G01*\nG70*\nG90*\n", output_file );
fputs( "%MOIN*%\n", output_file ); // set unites = INCHES
/* Set gerber format to 3.4 */
fputs( "G04 Gerber Fmt 3.4, Leading zero omitted, Abs format*\n%FSLAX34Y34*%\n",
output_file );
fputs( "G04 APERTURE LIST*\n", output_file );
/* Select the default aperture */
set_current_line_width( -1 );
}
void GERBER_PLOTTER::end_plot()
{
char line[1024];
wxString msg;
wxASSERT( output_file );
/* Outfile is actually a temporary file! */
fputs( "M02*\n", output_file );
fflush( output_file );
rewind( work_file ); // work_file == output_file !!!
output_file = final_file;
// Placement of apertures in RS274X
while( fgets( line, 1024, work_file ) )
{
fputs( line, output_file );
if( strcmp( strtok( line, "\n\r" ), "G04 APERTURE LIST*" ) == 0 )
{
write_aperture_list();
fputs( "G04 APERTURE END LIST*\n", output_file );
}
}
fclose( work_file );
fclose( final_file );
output_file = 0;
}
/* Set the default line width (in 1/1000 inch) for the current plotting
*/
void GERBER_PLOTTER::set_default_line_width( int width )
{
default_pen_width = width;
current_aperture = apertures.end();
}
/* Set the Current line width (in 1/1000 inch) for the next plot
*/
void GERBER_PLOTTER::set_current_line_width( int width )
{
int pen_width;
if( width > 0 )
pen_width = width;
else
pen_width = default_pen_width;
select_aperture( wxSize( pen_width, pen_width ), APERTURE::Plotting );
current_pen_width = pen_width;
}
std::vector<APERTURE>::iterator GERBER_PLOTTER::get_aperture( const wxSize& size,
APERTURE::Aperture_Type type )
{
int last_D_code = 9;
// Search an existing aperture
std::vector<APERTURE>::iterator tool = apertures.begin();
while( tool != apertures.end() )
{
last_D_code = tool->D_code;
if( (tool->type == type)
&& (tool->size == size) )
return tool;
tool++;
}
// Allocate a new aperture
APERTURE new_tool;
new_tool.size = size;
new_tool.type = type;
new_tool.D_code = last_D_code + 1;
apertures.push_back( new_tool );
return apertures.end() - 1;
}
void GERBER_PLOTTER::select_aperture( const wxSize& size,
APERTURE::Aperture_Type type )
{
wxASSERT( output_file );
if( ( current_aperture == apertures.end() )
|| ( current_aperture->type != type )
|| ( current_aperture->size != size ) )
{
/* Pick an existing aperture or create a new one */
current_aperture = get_aperture( size, type );
fprintf( output_file, "G54D%d*\n", current_aperture->D_code );
}
}
/*Generate list of D_CODES.
* Returns the number of D_Codes generated in RS274X format.
*/
void GERBER_PLOTTER::write_aperture_list()
{
wxASSERT( output_file );
char cbuf[1024];
/* Init : */
for( std::vector<APERTURE>::iterator tool = apertures.begin();
tool != apertures.end(); tool++ )
{
const float fscale = 0.0001f * plot_scale; // For 3.4 format
char* text;
text = cbuf + sprintf( cbuf, "%%ADD%d", tool->D_code );
switch( tool->type )
{
case APERTURE::Circle:
sprintf( text, "C,%f*%%\n", tool->size.x * fscale );
break;
case APERTURE::Rect:
sprintf( text, "R,%fX%f*%%\n", tool->size.x * fscale,
tool->size.y * fscale );
break;
case APERTURE::Plotting:
sprintf( text, "C,%f*%%\n", tool->size.x * fscale );
break;
case APERTURE::Oval:
sprintf( text, "O,%fX%f*%%\n", tool->size.x * fscale,
tool->size.y * fscale );
break;
}
fputs( cbuf, output_file );
}
}
void GERBER_PLOTTER::pen_to( wxPoint aPos, char plume )
{
wxASSERT( output_file );
user_to_device_coordinates( aPos );
switch( plume )
{
case 'Z':
break;
case 'U':
fprintf( output_file, "X%5.5dY%5.5dD02*\n", aPos.x, aPos.y );
break;
case 'D':
fprintf( output_file, "X%5.5dY%5.5dD01*\n", aPos.x, aPos.y );
}
pen_state = plume;
}
void GERBER_PLOTTER::rect( wxPoint p1, wxPoint p2, FILL_T fill, int width )
{
wxASSERT( output_file );
int coord[10] =
{
p1.x, p1.y,
p1.x, p2.y,
p2.x, p2.y,
p2.x, p1.y,
p1.x, p1.y
};
poly( 5, coord, fill, width );
}
/** Function circle
* writes a non filled circle to output file
* Plot one circle as segments (6 to 16 depending on its radius
* @param aCentre = center coordinates
* @param aDiameter = diameter of the circle
* @param aWidth = line width
*/
void GERBER_PLOTTER::circle( wxPoint aCentre, int aDiameter, FILL_T fill,
int aWidth )
{
wxASSERT( output_file );
wxPoint start, end;
double radius = aDiameter / 2;
const int delta = 3600 / 32; /* increment (in 0.1 degrees) to draw
* circles */
start.x = aCentre.x + wxRound( radius );
start.y = aCentre.y;
set_current_line_width( aWidth );
move_to( start );
for( int ii = delta; ii < 3600; ii += delta )
{
end.x = aCentre.x + (int) ( radius * fcosinus[ii] );
end.y = aCentre.y + (int) ( radius * fsinus[ii] );
line_to( end );
}
finish_to( start );
}
/** Function PlotFilledPolygon_GERBER
* writes a filled polyline to output file
* @param aCornersCount = number of corners
* @param aCoord = buffer of corners coordinates
* @param aFill = plot option (NO_FILL, FILLED_SHAPE, FILLED_WITH_BG_BODYCOLOR)
* @param aCoord = buffer of corners coordinates
*/
void GERBER_PLOTTER::poly( int aCornersCount, int* aCoord, FILL_T aFill,
int aWidth )
{
wxASSERT( output_file );
wxPoint pos, startpos;
set_current_line_width( aWidth );
if( aFill )
fputs( "G36*\n", output_file );
startpos.x = *aCoord++;
startpos.y = *aCoord++;
move_to( startpos );
for( int ii = 1; ii < aCornersCount; ii++ )
{
pos.x = *aCoord++;
pos.y = *aCoord++;
line_to( pos );
}
if( aFill )
{
finish_to( startpos );
fputs( "G37*\n", output_file );
}
else
{
pen_finish();
}
}
/* Function flash_pad_circle
* Plot a circular pad or via at the user position pos
*/
void GERBER_PLOTTER::flash_pad_circle( wxPoint pos, int diametre,
GRTraceMode trace_mode )
{
wxASSERT( output_file );
wxSize size( diametre, diametre );
switch( trace_mode )
{
case FILAIRE:
case SKETCH:
set_current_line_width( -1 );
circle( pos, diametre - current_pen_width, NO_FILL );
break;
case FILLED:
user_to_device_coordinates( pos );
select_aperture( size, APERTURE::Circle );
fprintf( output_file, "X%5.5dY%5.5dD03*\n", pos.x, pos.y );
break;
}
}
/* Plot oval pad at position pos:
* Dimensions dx, dy,
* Orient Orient
* For a vertical or horizontal orientation, the shape is flashed
* For any orientation the shape is drawn as a segment
*/
void GERBER_PLOTTER::flash_pad_oval( wxPoint pos, wxSize size, int orient,
GRTraceMode trace_mode )
{
wxASSERT( output_file );
int x0, y0, x1, y1, delta;
/* Plot a flashed shape. */
if( ( orient == 0 || orient == 900 || orient == 1800 || orient == 2700 )
&& trace_mode == FILLED )
{
if( orient == 900 || orient == 2700 ) /* orientation turned 90 deg. */
EXCHG( size.x, size.y );
user_to_device_coordinates( pos );
select_aperture( size, APERTURE::Oval );
fprintf( output_file, "X%5.5dY%5.5dD03*\n", pos.x, pos.y );
}
else /* Plot pad as a segment. */
{
if( size.x > size.y )
{
EXCHG( size.x, size.y );
if( orient < 2700 )
orient += 900;
else
orient -= 2700;
}
if( trace_mode == FILLED )
{
/* The pad is reduced to an oval with dy > dx */
delta = size.y - size.x;
x0 = 0;
y0 = -delta / 2;
x1 = 0;
y1 = delta / 2;
RotatePoint( &x0, &y0, orient );
RotatePoint( &x1, &y1, orient );
thick_segment( wxPoint( pos.x + x0, pos.y + y0 ),
wxPoint( pos.x + x1, pos.y + y1 ),
size.x, trace_mode );
}
else
sketch_oval( pos, size, orient, -1 );
}
}
/* Plot rectangular pad.
* Gives its center, size, and orientation
* For a vertical or horizontal shape, the shape is an aperture (Dcode) and
* it is flashed.
* For others shape the direction is plotted as a polygon.
*/
void GERBER_PLOTTER::flash_pad_rect( wxPoint pos, wxSize size,
int orient, GRTraceMode trace_mode )
{
wxASSERT( output_file );
/* Plot as flashed. */
switch( orient )
{
case 900:
case 2700: /* rotation of 90 degrees or 270 returns dimensions */
EXCHG( size.x, size.y );
// Pass through
case 0:
case 1800:
switch( trace_mode )
{
case FILAIRE:
case SKETCH:
set_current_line_width( -1 );
rect( wxPoint( pos.x - (size.x - current_pen_width) / 2,
pos.y - (size.y - current_pen_width) / 2 ),
wxPoint( pos.x + (size.x - current_pen_width) / 2,
pos.y + (size.y - current_pen_width) / 2 ),
NO_FILL );
break;
case FILLED:
user_to_device_coordinates( pos );
select_aperture( size, APERTURE::Rect );
fprintf( output_file, "X%5.5dY%5.5dD03*\n", pos.x, pos.y );
break;
}
break;
default: /* plot pad shape as polygon */
flash_pad_trapez( pos, size, wxSize( 0, 0 ), orient, trace_mode );
break;
}
}
/* Plot trapezoidal pad.
* Pos is pad center
* Dimensions size.x and size.y
* Changes delta.x and delta.y (1 of at least two must be zero)
* Orientation east to 0.1 degrees
* Plot mode (FILLED, SKETCH, WIRED)
*
* The evidence is that a trapezoid, ie that delta.x or delta.y = 0.
*
* The rating of the vertexes are (vis a vis the plotter)
*
* " 0 ------------- 3 "
* " . . "
* " . O . "
* " . . "
* " 1 ---- 2 "
*
*
* Example delta.y > 0, delta.x = 0
* " 1 ---- 2 "
* " . . "
* " . O . "
* " . . "
* " 0 ------------- 3 "
*
*
* Example delta.y = 0, delta.x > 0
* " 0 "
* " . . "
* " . . "
* " . 3 "
* " . . "
* " . O . "
* " . . "
* " . 2 "
* " . . "
* " . . "
* " 1 "
*/
void GERBER_PLOTTER::flash_pad_trapez( wxPoint pos, wxSize size, wxSize delta,
int orient, GRTraceMode trace_mode )
{
wxASSERT( output_file );
int ii, jj;
int dx, dy;
wxPoint polygon[4]; /* polygon corners */
int coord[10];
int ddx, ddy;
/* Calculate the optimum size of the spot chosen by 1 / 4 of the
*smallest dimension */
dx = size.x - abs( delta.y );
dy = size.y - abs( delta.x );
dx = size.x / 2;
dy = size.y / 2;
ddx = delta.x / 2;
ddy = delta.y / 2;
polygon[0].x = -dx - ddy;
polygon[0].y = +dy + ddx;
polygon[1].x = -dx + ddy;
polygon[1].y = -dy - ddx;
polygon[2].x = +dx - ddy;
polygon[2].y = -dy + ddx;
polygon[3].x = +dx + ddy;
polygon[3].y = +dy - ddx;
/* Draw the polygon and fill the interior as required. */
for( ii = 0, jj = 0; ii < 4; ii++ )
{
RotatePoint( &polygon[ii].x, &polygon[ii].y, orient );
coord[jj] = polygon[ii].x += pos.x;
jj++;
coord[jj] = polygon[ii].y += pos.y;
jj++;
}
coord[8] = coord[0];
coord[9] = coord[1];
set_current_line_width( -1 );
poly( 5, coord, trace_mode==FILLED ? FILLED_SHAPE : NO_FILL );
}
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