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kicad/common/common_plotGERBER_functions...

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/**
* @file common_plotGERBER_functions.cpp
* @brief Common GERBER plot 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"
#include "build_version.h"
/**
* Function set_viewport
* Set the plot offset for the current plotting
* @param aOffset = plot offset
* @param aScale = coordinate scale (scale coefficient for coordinates)
* @param aMirror - Mirror plot if true.
*/
void GERBER_PLOTTER::set_viewport( wxPoint aOffset, double aScale, bool aMirror )
{
wxASSERT( !output_file );
wxASSERT( aMirror == false );
plotMirror = false;
plot_offset = aOffset;
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
*/
bool GERBER_PLOTTER::start_plot( FILE* aFile )
{
char Line[1024];
wxASSERT( !output_file );
final_file = aFile;
// Create a temporary filename to store gerber file
// note tmpfile() does not work under Vista and W7 in user mode
m_workFilename = filename + wxT(".tmp");
work_file = wxFopen( m_workFilename, wxT( "wt" ));
output_file = work_file;
wxASSERT( output_file );
if( output_file == NULL )
return false;
DateAndTime( Line );
wxString Title = creator + wxT( " " ) + GetBuildVersion();
fprintf( output_file, "G04 (created by %s) date %s*\n", 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 );
return true;
}
bool 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 !!!
fclose( work_file );
work_file = wxFopen( m_workFilename, wxT( "rt" ));
wxASSERT( work_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 );
::wxRemoveFile( m_workFilename );
output_file = 0;
return true;
}
/* 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 )
{
static std::vector< wxPoint > cornerList;
cornerList.clear();
// Build corners list
cornerList.push_back( p1 );
wxPoint corner(p1.x, p2.y);
cornerList.push_back( corner );
cornerList.push_back( p2 );
corner.x = p2.x;
corner.y = p1.y;
cornerList.push_back( corner );
cornerList.push_back( p1 );
PlotPoly( cornerList, 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 aFill = plot option (NO_FILL, FILLED_SHAPE, FILLED_WITH_BG_BODYCOLOR)
* not used here: circles are always not filled the gerber. Filled circles are flashed
* @param aWidth = line width
*/
void GERBER_PLOTTER::circle( wxPoint aCentre, int aDiameter, FILL_T aFill, 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 * cos( DEG2RAD( (double)ii / 10.0 ) ) );
end.y = aCentre.y + (int) ( radius * sin( DEG2RAD( (double)ii / 10.0 ) ) );
line_to( end );
}
finish_to( start );
}
/*
* Function PlotPoly
* writes a filled or not filled polyline to output file
* @param aCornerList = buffer of corners coordinates
* @param aFill = plot option (NO_FILL, FILLED_SHAPE, FILLED_WITH_BG_BODYCOLOR)
* @param aWidth = Width of the line to plot.
*/
void GERBER_PLOTTER::PlotPoly( std::vector< wxPoint >& aCornerList, FILL_T aFill, int aWidth )
{
if( aCornerList.size() <= 1 )
return;
set_current_line_width( aWidth );
if( aFill )
fputs( "G36*\n", output_file );
move_to( aCornerList[0] );
for( unsigned ii = 1; ii < aCornerList.size(); ii++ )
{
line_to( aCornerList[ii] );
}
if( aFill )
{
finish_to( aCornerList[0] );
fputs( "G37*\n", output_file );
}
else
{
pen_finish();
}
}
/*
* Function PlotImage
* Only Postscript plotters can plot bitmaps
* for plotters that cannot plot a bitmap, a rectangle is plotted
* For GERBER_PLOTTER, draws a rectangle
* param aImage = the bitmap
* param aPos = position of the center of the bitmap
* param aScaleFactor = the scale factor to apply to the bitmap size
* (this is not the plot scale factor)
*/
void GERBER_PLOTTER::PlotImage( wxImage & aImage, wxPoint aPos, double aScaleFactor )
{
wxSize size;
size.x = aImage.GetWidth();
size.y = aImage.GetHeight();
size.x = wxRound( size.x * aScaleFactor );
size.y = wxRound( size.y * aScaleFactor );
wxPoint start = aPos;
start.x -= size.x / 2;
start.y -= size.y / 2;
wxPoint end = start;
end.x += size.x;
end.y += size.y;
rect( start, end, NO_FILL );
}
/* 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 */
{
wxPoint coord[4];
// coord[0] is assumed the lower left
// coord[1] is assumed the upper left
// coord[2] is assumed the upper right
// coord[3] is assumed the lower right
/* Trace the outline. */
coord[0].x = -size.x/2; // lower left
coord[0].y = size.y/2;
coord[1].x = -size.x/2; // upper left
coord[1].y = -size.y/2;
coord[2].x = size.x/2; // upper right
coord[2].y = -size.y/2;
coord[3].x = size.x/2; //lower right
coord[3].y = size.y/2;
flash_pad_trapez( pos, coord, orient, trace_mode );
}
break;
}
}
/* Plot trapezoidal pad.
* aPadPos is pad position, aCorners the corners positions of the basic shape
* Orientation aPadOrient in 0.1 degrees
* Plot mode = FILLED or SKETCH
*/
void GERBER_PLOTTER::flash_pad_trapez( wxPoint aPadPos, wxPoint aCorners[4],
int aPadOrient, GRTraceMode aTrace_Mode )
{
// polygon corners list
static std::vector< wxPoint > cornerList;
cornerList.clear();
for( int ii = 0; ii < 4; ii++ )
cornerList.push_back( aCorners[ii] );
/* Draw the polygon and fill the interior as required. */
for( unsigned ii = 0; ii < 4; ii++ )
{
RotatePoint( &cornerList[ii], aPadOrient );
cornerList[ii] += aPadPos;
}
// Close the polygon
cornerList.push_back( cornerList[0] );
set_current_line_width( -1 );
PlotPoly( cornerList, aTrace_Mode==FILLED ? FILLED_SHAPE : NO_FILL );
}
void GERBER_PLOTTER::SetLayerPolarity( bool aPositive )
{
if( aPositive )
fprintf( output_file, "%%LPD*%%\n" );
else
fprintf( output_file, "%%LPC*%%\n" );
}
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