diff options
Diffstat (limited to 'gerbonara/cad/kicad/primitives.py')
| -rw-r--r-- | gerbonara/cad/kicad/primitives.py | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gerbonara/cad/kicad/primitives.py b/gerbonara/cad/kicad/primitives.py index 65566d0..5be0422 100644 --- a/gerbonara/cad/kicad/primitives.py +++ b/gerbonara/cad/kicad/primitives.py @@ -62,6 +62,8 @@ def center_arc_to_kicad_mid(center, start, end): def kicad_mid_to_center_arc(mid, start, end): """ Convert kicad's slightly insane midpoint notation to standrad center/p1/p2 notation. + returns a ((center_x, center_y), radius, clockwise) tuple in KiCad coordinates. + Returns the center and radius of the circle passing the given 3 points. In case the 3 points form a line, raises a ValueError. """ @@ -81,7 +83,7 @@ def kicad_mid_to_center_arc(mid, start, end): cy = ((p1[0] - p2[0]) * cd - (p2[0] - p3[0]) * bc) / det radius = math.sqrt((cx - p1[0])**2 + (cy - p1[1])**2) - return (cx, cy), radius + return (cx, cy), radius, det < 0 @sexp_type('hatch') @@ -178,6 +180,22 @@ class Zone: self.fill_polygons = [] self.fill_segments = [] + def rotate(self, angle, cx=None, cy=None): + self.unfill() + self.polygon.pts = [pt.with_rotation(angle, cx, cy) for pt in self.polygon.pts] + + def offset(self, x=0, y=0): + self.unfill() + self.polygon.pts = [pt.with_offset(x, y) for pt in self.polygon.pts] + + + def bounding_box(self): + min_x = min(pt.x for pt in self.polygon.pts) + min_y = min(pt.y for pt in self.polygon.pts) + max_x = max(pt.x for pt in self.polygon.pts) + max_y = max(pt.y for pt in self.polygon.pts) + return (min_x, min_y), (max_x, max_y) + @sexp_type('polygon') class RenderCachePolygon: |