cad: Add KiCad symbol/footprint parser

1 files changed, 97 insertions, 0 deletions

diff --git a/gerbonara/cad/kicad/primitives.py b/gerbonara/cad/kicad/primitives.py
new file mode 100644
index 0000000..30ae611
--- /dev/null
+++ b/gerbonara/cad/kicad/primitives.py
@@ -0,0 +1,97 @@
+
+import enum
+
+from .sexp import *
+from .base_types import *
+
+
+@sexp_type('hatch')
+class Hatch:
+    style: AtomChoice(Atom.none, Atom.edge, Atom.full) = Atom.edge
+    pitch: float = 0.5
+
+
+@sexp_type('connect_pads')
+class PadConnection:
+    type: AtomChoice(Atom.thru_hole_only, Atom.full, Atom.no) = None
+    clearance: Named(float) = 0
+
+
+@sexp_type('keepout')
+class ZoneKeepout:
+    tracks_allowed:     Named(YesNoAtom(yes=Atom.allowed, no=Atom.not_allowed), name='tracks')       = True
+    vias_allowed:       Named(YesNoAtom(yes=Atom.allowed, no=Atom.not_allowed), name='vias')         = True
+    pads_allowed:       Named(YesNoAtom(yes=Atom.allowed, no=Atom.not_allowed), name='pads')         = True
+    copperpour_allowed: Named(YesNoAtom(yes=Atom.allowed, no=Atom.not_allowed), name='copperpour')   = True
+    footprints_allowed: Named(YesNoAtom(yes=Atom.allowed, no=Atom.not_allowed), name='footprints')   = True
+
+
+@sexp_type('smoothing')
+class ZoneSmoothing:
+    style: AtomChoice(Atom.chamfer, Atom.fillet) = Atom.chamfer
+    radius: Named(float) = None
+
+
+@sexp_type('fill')
+class ZoneFill:
+    yes: Flag() = False
+    mode: Flag(atom=Atom.hatched) = False
+    thermal_gap: Named(float) = 0.508
+    thermal_bridge_width: Named(float) = 0.508
+    smoothing: ZoneSmoothing = None
+    island_removal_node: Named(int) = None
+    islan_area_min: Named(float) = None
+    hatch_thickness: Named(float) = None
+    hatch_gap: Named(float) = None
+    hatch_orientation: Named(int) = None
+    hatch_smoothing_level: Named(int) = None
+    hatch_smoothing_value: Named(float) = None
+    hatch_border_algorithm: Named(int) = None
+    hatch_min_hole_area: Named(float) = None
+
+
+@sexp_type('filled_polygon')
+class FillPolygon:
+    layer: Named(str) = ""
+    pts: PointList = field(default_factory=PointList)
+
+
+@sexp_type('fill_segments')
+class FillSegment:
+    layer: Named(str) = ""
+    pts: PointList = field(default_factory=PointList)
+
+
+@sexp_type('zone')
+class Zone:
+    net: Named(int) = 0
+    net_name: Named(str) = ""
+    layer: Named(str) = None
+    layers: Named(Array(str)) = None
+    tstamp: Timestamp = None
+    name: Named(str) = None
+    hatch: Hatch = None
+    priority: OmitDefault(Named(int)) = 0
+    connect_pads: PadConnection = field(default_factory=PadConnection)
+    min_thickness: Named(float) = 0.254
+    filled_areas_thickness: Flag() = True
+    keepouts: List(ZoneKeepout) = field(default_factory=list)
+    fill: ZoneFill = field(default_factory=ZoneFill)
+    polygon: Named(PointList) = field(default_factory=PointList)
+    fill_polygons: List(FillPolygon) = field(default_factory=list)
+    fill_segments: List(FillSegment) = field(default_factory=list)
+
+
+@sexp_type('polygon')
+class RenderCachePolygon:
+    pts: PointList = field(default_factory=PointList)
+
+
+@sexp_type('render_cache')
+class RenderCache:
+    text: str = None
+    rotation: int = 0
+    polygons: List(RenderCachePolygon) = field(default_factory=list)
+
+
+