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Gerber: speed up seriously solder mask creation. 

Fixes https://gitlab.com/kicad/code/kicad/issues/6360
This commit is contained in:
jean-pierre charras 2020-12-13 18:53:17 +01:00
parent f66aae2213
commit 276cb7590d
1 changed files with 8 additions and 2 deletions
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10
pcbnew/plot_board_layers.cpp
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@ -979,7 +979,14 @@ void PlotSolderMaskLayer( BOARD *aBoard, PLOTTER* aPlotter,
// we deflate areas in polygons, to avoid after subtracting initial shapes
// having small artifacts due to approximations during polygon transforms
areas.BooleanSubtract( initialPolys, SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
// *Do not use* here the option PM_STRICTLY_SIMPLE that can create very long calculation
// time in many cases
areas.BooleanSubtract( initialPolys, SHAPE_POLY_SET::PM_FAST);
// Ensure the remaining polygons are strictly simple to be sure Inflate and Fracture
// are using the cleaned polygons and no holes linked to main outlines in polygons
// for Simplify()
areas.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
// Slightly inflate polygons to avoid any gap between them and other shapes,
// These gaps are created by arc to segments approximations
@ -1023,7 +1030,6 @@ void PlotSolderMaskLayer( BOARD *aBoard, PLOTTER* aPlotter,
}
/** Set up most plot options for plotting a board (especially the viewport)
* Important thing:
* page size is the 'drawing' page size,