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Handle differential x:y clearance for solder mask. 

Fixes https://gitlab.com/kicad/code/kicad/issues/5363
This commit is contained in:
Jeff Young 2020-08-28 14:00:05 +01:00
parent 5c67ee6c9d
commit ebb9a636fa
2 changed files with 27 additions and 10 deletions
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4
3d-viewer/3d_canvas/create_layer_items.cpp
View File

@ -896,8 +896,8 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
}
else
{
AddPadsShapesWithClearanceToContainer(
module, layerContainer, curr_layer_id, 0, false );
AddPadsShapesWithClearanceToContainer( module, layerContainer, curr_layer_id, 0,
false );
}
AddGraphicsShapesWithClearanceToContainer( module, layerContainer, curr_layer_id, 0 );

33
pcbnew/board_items_to_polygon_shape_transform.cpp
View File

@ -116,8 +116,9 @@ void BOARD::ConvertBrdLayerToPolygonalContours( PCB_LAYER_ID aLayer, SHAPE_POLY_
void MODULE::TransformPadsShapesWithClearanceToPolygon( PCB_LAYER_ID aLayer,
SHAPE_POLY_SET& aCornerBuffer, int aInflateValue, int aMaxError,
bool aSkipNPTHPadsWihNoCopper ) const
SHAPE_POLY_SET& aCornerBuffer,
int aInflateValue, int aMaxError,
bool aSkipNPTHPadsWihNoCopper ) const
{
for( D_PAD* pad : m_pads )
{
@ -151,27 +152,43 @@ void MODULE::TransformPadsShapesWithClearanceToPolygon( PCB_LAYER_ID aLayer,
}
}
wxSize margin;
int clearance = aInflateValue;
wxSize clearance( aInflateValue, aInflateValue );
switch( aLayer )
{
case F_Mask:
case B_Mask:
clearance += pad->GetSolderMaskMargin();
clearance.x += pad->GetSolderMaskMargin();
clearance.y += pad->GetSolderMaskMargin();
break;
case F_Paste:
case B_Paste:
margin = pad->GetSolderPasteMargin();
clearance += ( margin.x + margin.y ) / 2;
clearance += pad->GetSolderPasteMargin();
break;
default:
break;
}
pad->TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, clearance );
// Our standard TransformShapeWithClearanceToPolygon() routines can't handle differing
// x:y clearance values (which get generated when a relative paste margin is used with
// an oblong pad). So we apply this huge hack and fake a larger pad to run the transform
// on.
// Of course being a hack it falls down when dealing with custom shape pads (where the
// size is only the size of the anchor), so for those we punt and just use clearance.x.
if( clearance.x != clearance.y && pad->GetShape() != PAD_SHAPE_CUSTOM )
{
D_PAD dummy( *pad );
dummy.SetSize( pad->GetSize() + clearance + clearance );
dummy.TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, 0, aMaxError );
}
else
{
pad->TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, clearance.x,
aMaxError );
}
}
}