1 files changed, 85 insertions, 0 deletions
diff --git a/gerbonara/gerber/apertures.py b/gerbonara/gerber/apertures.py
new file mode 100644
index 0000000..aa2764e
--- /dev/null
+++ b/gerbonara/gerber/apertures.py
@@ -0,0 +1,85 @@
+
+from dataclasses import dataclass
+
+from primitives import Primitive
+
+def _flash_hole(self, x, y):
+    if self.hole_rect_h is not None:
+        return self.primitives(x, y), Rectangle((x, y), (self.hole_dia, self.hole_rect_h), polarity_dark=False)
+    else:
+        return self.primitives(x, y), Circle((x, y), self.hole_dia, polarity_dark=False)
+
+class Aperture:
+    @property
+    def hole_shape(self):
+        if self.hole_rect_h is not None:
+            return 'rect'
+        else:
+            return 'circle'
+
+    @property
+    def hole_size(self):
+        return (self.hole_dia, self.hole_rect_h)
+
+    def flash(self, x, y):
+        return self.primitives(x, y)
+
+
+@dataclass
+class ApertureCircle(Aperture):
+    diameter : float
+    hole_dia : float = 0
+    hole_rect_h : float = None
+
+    def primitives(self, x, y):
+        return Circle((x, y), self.diameter, polarity_dark=True),
+
+    flash = _flash_hole
+
+
+@dataclass
+class ApertureRectangle(Aperture):
+    w : float
+    h : float
+    hole_dia : float = 0
+    hole_rect_h : float = None
+
+    def primitives(self, x, y):
+        return Rectangle((x, y), (self.w, self.h), polarity_dark=True),
+
+    flash = _flash_hole
+
+
+@dataclass
+class ApertureObround(Aperture):
+    w : float
+    h : float
+    hole_dia : float = 0
+    hole_rect_h : float = None
+
+    def primitives(self, x, y):
+        return Obround((x, y), self.w, self.h, polarity_dark=True)
+
+    flash = _flash_hole
+
+
+@dataclass
+class AperturePolygon(Aperture):
+    diameter : float
+    n_vertices : int
+    hole_dia : float = 0
+    hole_rect_h : float = None
+
+    def primitives(self, x, y):
+        return Polygon((x, y), diameter, n_vertices, rotation, polarity_dark=True),
+
+    flash = _flash_hole
+
+class MacroAperture(Aperture):
+    parameters : [float]
+    self.macro : ApertureMacro
+
+    def primitives(self, x, y):
+        return self.macro.execute(x, y, self.parameters)
+
+