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Plotters (especially DXF) add more precision when plotting arcs (and others)

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- in DXF coordinates were using 6 digits for coordinate mantissa: this is not
enough for coord in inches. Now use 16 digits
- Arc( VECTOR2I& aCentre, EDA_ANGLE& aStartAngle, EDA_ANGLE& aEndAngle, ...)
was using integers for coord. This creates significant errors for start point
and end points of the arc. Now the center is given in double, and its position
is calculated from angle end points (and radius) to do not generate a position error
for these end points (previously the error could be 20 ... 50 nm)
Fixes #15056
https://gitlab.com/kicad/code/kicad/-/issues/15056
This commit is contained in:
jean-pierre charras
2023-07-06 18:09:38 +02:00
parent efb452df37
commit 88ffcec4b5
11 changed files with 115 additions and 59 deletions
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common/plotters/SVG_plotter.cpp
+2 -2
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@@ -443,8 +443,8 @@ void SVG_PLOTTER::Circle( const VECTOR2I& pos, int diametre, FILL_T fill, int wi
}
void SVG_PLOTTER::Arc( const VECTOR2I& aCenter, const EDA_ANGLE& aStartAngle,
const EDA_ANGLE& aEndAngle, int aRadius, FILL_T aFill, int aWidth )
void SVG_PLOTTER::Arc( const VECTOR2D& aCenter, const EDA_ANGLE& aStartAngle,
const EDA_ANGLE& aEndAngle, double aRadius, FILL_T aFill, int aWidth )
{
/* Draws an arc of a circle, centered on (xc,yc), with starting point (x1, y1) and ending
* at (x2, y2). The current pen is used for the outline and the current brush for filling