diff options
Diffstat (limited to 'gerbonara/aperture_macros/primitive.py')
| -rw-r--r-- | gerbonara/aperture_macros/primitive.py | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/gerbonara/aperture_macros/primitive.py b/gerbonara/aperture_macros/primitive.py index dce5677..31c5cb9 100644 --- a/gerbonara/aperture_macros/primitive.py +++ b/gerbonara/aperture_macros/primitive.py @@ -34,7 +34,6 @@ def rad_to_deg(a): @dataclass(frozen=True, slots=True) class Primitive: unit: LengthUnit - exposure : Expression def __post_init__(self): for field in fields(self): @@ -95,6 +94,7 @@ class Primitive: @dataclass(frozen=True, slots=True) class Circle(Primitive): code = 1 + exposure : Expression diameter : UnitExpression # center x/y x : UnitExpression @@ -124,6 +124,7 @@ class Circle(Primitive): @dataclass(frozen=True, slots=True) class VectorLine(Primitive): code = 20 + exposure : Expression width : UnitExpression start_x : UnitExpression start_y : UnitExpression @@ -166,6 +167,7 @@ class VectorLine(Primitive): @dataclass(frozen=True, slots=True) class CenterLine(Primitive): code = 21 + exposure : Expression width : UnitExpression height : UnitExpression # center x/y @@ -202,6 +204,7 @@ class CenterLine(Primitive): @dataclass(frozen=True, slots=True) class Polygon(Primitive): code = 5 + exposure : Expression n_vertices : Expression # center x/y x : UnitExpression @@ -228,8 +231,56 @@ class Polygon(Primitive): @dataclass(frozen=True, slots=True) +class Moire(Primitive): + """ Deprecated, but still found in some really old gerber files. """ + code = 6 + # center x/y + x : UnitExpression + y : UnitExpression + d_outer : UnitExpression + line_thickness : UnitExpression + gap_w : UnitExpression + num_circles : Expression + crosshair_thickness : UnitExpression = 0 + crosshair_length : UnitExpression =0 + rotation : Expression = 0 + + def to_graphic_primitives(self, offset, rotation, variable_binding={}, unit=None, polarity_dark=True): + with self.Calculator(self, variable_binding, unit) as calc: + rotation += deg_to_rad(calc.rotation) + x, y = rotate_point(calc.x, calc.y, -rotation, 0, 0) + x, y = x+offset[0], y+offset[1] + + pitch = calc.line_thickness + calc.gap_w + for i in range(int(round(calc.num_circles))): + yield gp.Circle(x, y, calc.d_outer/2 - i*pitch, polarity_dark=True) + yield gp.Circle(x, y, calc.d_inner/2 - i*pitch - calc.line_thickness, polarity_dark=False) + + if math.isclose(calc.crosshair_thickness, 0, abs_tol=1e-6) or\ + math.isclose(calc.crosshair_length, 0, abs_tol=1e-6): + return + + yield gp.Rectangle(x, y, crosshair_length, crosshair_thickness, rotation=rotation, polarity_dark=True) + yield gp.Rectangle(x, y, crosshair_thickness, crosshair_length, rotation=rotation, polarity_dark=True) + + def dilate(self, offset, unit): + # I'd rather print a warning and produce graphically slightly incorrect output in these few cases here than + # producing macros that may evaluate to primitives with negative values. + warnings.warn('Attempted dilation of macro aperture thermal primitive. This is not supported.') + + def scale(self, scale): + return replace(self, + d_outer=self.d_outer * UnitExpression(scale), + d_inner=self.d_inner * UnitExpression(scale), + gap_w=self.gap_w * UnitExpression(scale), + x=self.x * UnitExpression(scale), + y=self.y * UnitExpression(scale)) + + +@dataclass(frozen=True, slots=True) class Thermal(Primitive): code = 7 + exposure : Expression # center x/y x : UnitExpression y : UnitExpression @@ -270,6 +321,7 @@ class Thermal(Primitive): @dataclass(frozen=True, slots=True) class Outline(Primitive): code = 4 + exposure : Expression length: Expression coords: tuple rotation: Expression = 0 @@ -364,6 +416,7 @@ PRIMITIVE_CLASSES = { CenterLine, Outline, Polygon, + Moire, Thermal, ]}, # alternative codes |