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Teach GenCAD exporter to handle chamfered rect pads 

Chamfered rect pads can also have rounded corners, so we handle these
using a polygon transform before exporting
This commit is contained in:
Seth Hillbrand 2021-07-09 09:22:44 -07:00
parent 928c4e8ed7
commit c5571afbd9
1 changed files with 35 additions and 4 deletions
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39
pcbnew/exporters/export_gencad.cpp
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@ -32,6 +32,7 @@
#include <build_version.h>
#include <board.h>
#include <board_design_settings.h>
#include <convert_basic_shapes_to_polygon.h>
#include <fp_shape.h>
#include <footprint.h>
#include <pad.h>
@ -464,12 +465,12 @@ static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb )
case PAD_SHAPE::OVAL:
{
const wxSize& size = pad->GetSize();
int radius;
int radius = std::min( size.x, size.y ) / 2;
if( pad->GetShape() == PAD_SHAPE::ROUNDRECT )
{
radius = pad->GetRoundRectCornerRadius();
else
radius = std::min( size.x, size.y ) / 2;
}
int lineX = size.x / 2 - radius;
int lineY = size.y / 2 - radius;
@ -482,7 +483,6 @@ static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb )
( -off.y - lineY ) / SCALE_FACTOR, ( off.x - lineX ) / SCALE_FACTOR,
( -off.y - lineY - radius ) / SCALE_FACTOR,
( off.x - lineX ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR );
// bottom line
if( lineX > 0 )
{
@ -573,6 +573,37 @@ static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb )
}
break;
case PAD_SHAPE::CHAMFERED_RECT:
{
fprintf( aFile, " POLYGON %g\n", pad->GetDrillSize().x / SCALE_FACTOR );
SHAPE_POLY_SET outline;
int maxError = aPcb->GetDesignSettings().m_MaxError;
TransformRoundChamferedRectToPolygon( outline, pad->GetPosition(), pad->GetSize(),
pad->GetOrientation(), pad->GetRoundRectCornerRadius(),
pad->GetChamferRectRatio(), pad->GetChamferPositions(), maxError,
ERROR_INSIDE );
for( int jj = 0; jj < outline.OutlineCount(); ++jj )
{
const SHAPE_LINE_CHAIN& poly = outline.COutline( jj );
int pointCount = poly.PointCount();
for( int ii = 0; ii < pointCount; ii++ )
{
int next = ( ii + 1 ) % pointCount;
fprintf( aFile, "LINE %g %g %g %g\n",
( off.x + poly.CPoint( ii ).x ) / SCALE_FACTOR,
( -off.y - poly.CPoint( ii ).y ) / SCALE_FACTOR,
( off.x + poly.CPoint( next ).x ) / SCALE_FACTOR,
( -off.y - poly.CPoint( next ).y ) / SCALE_FACTOR );
}
}
break;
}
case PAD_SHAPE::CUSTOM:
{
fprintf( aFile, " POLYGON %g\n", pad->GetDrillSize().x / SCALE_FACTOR );