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Better code.

This commit is contained in:
jean-pierre charras 2022-04-29 10:52:41 +02:00
parent 453015586a
commit 65cdef0290
1 changed files with 31 additions and 25 deletions
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56
common/plotters/plotter.cpp
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@ -539,7 +539,6 @@ void PLOTTER::sketchOval( const VECTOR2I& aPos, const VECTOR2I& aSize, const EDA
SetCurrentLineWidth( aWidth );
EDA_ANGLE orient( aOrient );
VECTOR2I pt;
VECTOR2I size( aSize );
if( size.x > size.y )
@ -551,32 +550,39 @@ void PLOTTER::sketchOval( const VECTOR2I& aPos, const VECTOR2I& aSize, const EDA
int deltaxy = size.y - size.x; /* distance between centers of the oval */
int radius = size.x / 2;
pt.x = -radius;
pt.y = -deltaxy / 2;
RotatePoint( pt, orient );
MoveTo( pt + aPos );
pt.x = -radius;
pt.y = deltaxy / 2;
RotatePoint( pt, orient );
FinishTo( pt + aPos );
// Build a vertical oval shape giving the start and end points of arcs and edges,
// and the middle point of arcs
std::vector<VECTOR2I> corners;
corners.reserve( 6 );
// Shape is (x = corner and arc ends, c = arc centre)
// xcx
//
// xcx
int half_height = deltaxy / 2;
corners.emplace_back( -radius, -half_height );
corners.emplace_back( -radius, half_height );
corners.emplace_back( 0, half_height );
corners.emplace_back( radius, half_height );
corners.emplace_back( radius, -half_height );
corners.emplace_back( 0, -half_height );
pt.x = radius;
pt.y = -deltaxy / 2;
RotatePoint( pt, orient );
MoveTo( pt + aPos );
pt.x = radius;
pt.y = deltaxy / 2;
RotatePoint( pt, orient );
FinishTo( pt + aPos );
// Rotate and move to the actual position
for( size_t ii = 0; ii < corners.size(); ii++ )
{
RotatePoint( corners[ii], orient );
corners[ii] += aPos;
}
pt.x = 0;
pt.y = deltaxy / 2;
RotatePoint( pt, orient );
Arc( pt + aPos, orient + ANGLE_180, orient + ANGLE_360, radius, FILL_T::NO_FILL );
pt.x = 0;
pt.y = -deltaxy / 2;
RotatePoint( pt, orient );
Arc( pt + aPos, orient, orient + ANGLE_180, radius, FILL_T::NO_FILL );
// Gen shape:
MoveTo( corners[0] );
FinishTo( corners[1] );
Arc( corners[2], orient + ANGLE_180, orient + ANGLE_360, radius, FILL_T::NO_FILL );
MoveTo( corners[3] );
FinishTo( corners[4] );
Arc( corners[5], orient, orient + ANGLE_180, radius, FILL_T::NO_FILL );
}