Fix issues with arcs in kicad2step, due to last kicad_pcb format changes.

Fixes #9409
https://gitlab.com/kicad/code/kicad/issues/9409
This commit is contained in:
jean-pierre charras 2021-10-17 17:40:52 +02:00
parent 6db0216dd4
commit 6632cb056c
3 changed files with 38 additions and 1 deletions

View File

@ -29,7 +29,9 @@ add_library( kicad2step_lib STATIC
target_include_directories( kicad2step_lib PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_SOURCE_DIR}/include # for core
${Boost_INCLUDE_DIR}
${Boost_INCLUDE_DIR} # see commit 03bce554
${CMAKE_SOURCE_DIR}/libs/kimath/include
${INC_AFTER}
)
target_link_libraries( kicad2step_lib
@ -37,6 +39,7 @@ target_link_libraries( kicad2step_lib
${wxWidgets_LIBRARIES}
${OCC_LIBRARIES}
${ZLIB_LIBRARIES}
kimath
)
set( K2S_FILES

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@ -30,6 +30,7 @@
#include <cmath>
#include <iostream>
#include <sstream>
#include <../../../libs/kimath/include/geometry/shape_arc.h>
KICADCURVE::KICADCURVE()
@ -40,6 +41,7 @@ KICADCURVE::KICADCURVE()
m_layer = LAYER_NONE;
m_startangle = 0.0;
m_endangle = 0.0;
m_arcHasMiddlePoint = false;
return;
}
@ -142,6 +144,13 @@ bool KICADCURVE::Read( SEXPR::SEXPR* aEntry, CURVE_TYPE aCurveType )
if( !Get2DCoordinate( child, m_end ) )
return false;
}
else if( text == "mid" )
{
if( !Get2DCoordinate( child, m_middle ) )
return false;
m_arcHasMiddlePoint = true;
}
else if( text == "angle" )
{
if( child->GetNumberOfChildren() < 2
@ -177,6 +186,29 @@ bool KICADCURVE::Read( SEXPR::SEXPR* aEntry, CURVE_TYPE aCurveType )
}
}
// New arcs are defined by start middle and end points instead of center,
// start and arc angle
// So convert new params to old params
if( CURVE_ARC == aCurveType && m_arcHasMiddlePoint )
{
// To caculate old params, we are using SHAPE_ARC, but SHAPE_ARC use
// integer coords. So to avoid truncations, use a scaling factor.
// 1e5 is enough.
const double scale = 1e5;
SHAPE_ARC new_arc( VECTOR2I( m_start.x*scale, m_start.y*scale ),
VECTOR2I( m_middle.x*scale, m_middle.y*scale ),
VECTOR2I( m_end.x*scale, m_end.y*scale ), 0 );
VECTOR2I center = new_arc.GetCenter();
m_start.x = center.x/scale;
m_start.y = center.y/scale;
m_end.x = new_arc.GetP0().x/scale;
m_end.y = new_arc.GetP0().y/scale;
m_ep.x = new_arc.GetP1().x/scale;
m_ep.y = new_arc.GetP1().y/scale;
m_angle = new_arc.GetCentralAngle() / 180.0 * M_PI;
}
return true;
}

View File

@ -55,6 +55,7 @@ public:
LAYERS m_layer; // layer of the glyph
DOUBLET m_start; // start point of line or center for arc and circle
DOUBLET m_end; // end point of line, first point on arc or circle
DOUBLET m_middle; // middle point on arc for recent files
DOUBLET m_ep; // actual endpoint, to be computed in the case of arcs
DOUBLET m_bezierctrl1; // for bezier curve only first control point
DOUBLET m_bezierctrl2; // for bezier curve only second control point
@ -62,6 +63,7 @@ public:
double m_angle; // subtended angle of arc
double m_startangle;
double m_endangle;
bool m_arcHasMiddlePoint; // true if an arc id defined by 3 points
std::vector<DOUBLET> m_poly; // vector of polygon points
};