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authorGarret Fick <garret@ficksworkshop.com>2016-07-24 17:08:47 +0800
committerGarret Fick <garret@ficksworkshop.com>2016-07-24 17:08:47 +0800
commit7cd6acf12670f3773113f67ed2acb35cb21c32a0 (patch)
treece2d79376375b8c7b4ee8c0f519f23d3f3fc1db9 /gerber
parentcd4614f9973eb9f4ce858b3864573367614f54b6 (diff)
downloadgerbonara-7cd6acf12670f3773113f67ed2acb35cb21c32a0.tar.gz
gerbonara-7cd6acf12670f3773113f67ed2acb35cb21c32a0.tar.bz2
gerbonara-7cd6acf12670f3773113f67ed2acb35cb21c32a0.zip
Add many render tests based on the Umaco gerger specification. Fix multiple rendering bugs, especially related to holes in flashed apertures
Diffstat (limited to 'gerber')
-rw-r--r--gerber/cam.py2
-rw-r--r--gerber/gerber_statements.py4
-rw-r--r--gerber/primitives.py35
-rw-r--r--gerber/render/cairo_backend.py105
-rw-r--r--gerber/render/rs274x_backend.py12
-rw-r--r--gerber/rs274x.py24
-rw-r--r--gerber/tests/golden/example_coincident_hole.pngbin0 -> 47261 bytes
-rw-r--r--gerber/tests/golden/example_cutin_multiple.pngbin0 -> 1348 bytes
-rw-r--r--gerber/tests/golden/example_flash_circle.pngbin0 -> 5978 bytes
-rw-r--r--gerber/tests/golden/example_flash_obround.pngbin0 -> 3443 bytes
-rw-r--r--gerber/tests/golden/example_flash_polygon.pngbin0 -> 4087 bytes
-rw-r--r--gerber/tests/golden/example_flash_rectangle.pngbin0 -> 1731 bytes
-rw-r--r--gerber/tests/golden/example_fully_coincident.pngbin0 -> 71825 bytes
-rw-r--r--gerber/tests/golden/example_not_overlapping_contour.pngbin0 -> 71825 bytes
-rw-r--r--gerber/tests/golden/example_not_overlapping_touching.pngbin0 -> 96557 bytes
-rw-r--r--gerber/tests/golden/example_overlapping_contour.pngbin0 -> 33301 bytes
-rw-r--r--gerber/tests/golden/example_overlapping_touching.pngbin0 -> 33301 bytes
-rw-r--r--gerber/tests/golden/example_simple_contour.pngbin0 -> 31830 bytes
-rw-r--r--gerber/tests/golden/example_single_contour.pngbin0 -> 556 bytes
-rw-r--r--gerber/tests/golden/example_single_contour_3.pngbin0 -> 2297 bytes
-rw-r--r--gerber/tests/golden/example_single_quadrant.pngbin0 -> 9658 bytes
-rw-r--r--gerber/tests/golden/example_two_square_boxes.pngbin18247 -> 18219 bytes
-rw-r--r--gerber/tests/resources/example_coincident_hole.gbr24
-rw-r--r--gerber/tests/resources/example_cutin.gbr18
-rw-r--r--gerber/tests/resources/example_cutin_multiple.gbr28
-rw-r--r--gerber/tests/resources/example_flash_circle.gbr10
-rw-r--r--gerber/tests/resources/example_flash_obround.gbr10
-rw-r--r--gerber/tests/resources/example_flash_polygon.gbr10
-rw-r--r--gerber/tests/resources/example_flash_rectangle.gbr10
-rw-r--r--gerber/tests/resources/example_fully_coincident.gbr23
-rw-r--r--gerber/tests/resources/example_level_holes.gbr39
-rw-r--r--gerber/tests/resources/example_not_overlapping_contour.gbr20
-rw-r--r--gerber/tests/resources/example_not_overlapping_touching.gbr20
-rw-r--r--gerber/tests/resources/example_overlapping_contour.gbr20
-rw-r--r--gerber/tests/resources/example_overlapping_touching.gbr20
-rw-r--r--gerber/tests/resources/example_simple_contour.gbr16
-rw-r--r--gerber/tests/resources/example_single_contour_1.gbr15
-rw-r--r--gerber/tests/resources/example_single_contour_2.gbr15
-rw-r--r--gerber/tests/resources/example_single_contour_3.gbr15
-rw-r--r--gerber/tests/resources/example_single_quadrant.gbr18
-rw-r--r--gerber/tests/test_cairo_backend.py128
-rw-r--r--gerber/tests/test_primitives.py106
42 files changed, 699 insertions, 48 deletions
diff --git a/gerber/cam.py b/gerber/cam.py
index 28918cb..f64aa34 100644
--- a/gerber/cam.py
+++ b/gerber/cam.py
@@ -260,7 +260,7 @@ class CamFile(object):
If provided, save the rendered image to `filename`
"""
- ctx.set_bounds(self.bounds)
+ ctx.set_bounds(self.bounding_box)
ctx._paint_background()
if invert:
diff --git a/gerber/gerber_statements.py b/gerber/gerber_statements.py
index 52e7ac3..3212c1c 100644
--- a/gerber/gerber_statements.py
+++ b/gerber/gerber_statements.py
@@ -279,9 +279,9 @@ class ADParamStmt(ParamStmt):
return cls('AD', dcode, 'R', ([width, height],))
@classmethod
- def circle(cls, dcode, diameter):
+ def circle(cls, dcode, diameter, hole_diameter):
'''Create a circular aperture definition statement'''
- return cls('AD', dcode, 'C', ([diameter],))
+ return cls('AD', dcode, 'C', ([diameter, hole_diameter],))
@classmethod
def obround(cls, dcode, width, height):
diff --git a/gerber/primitives.py b/gerber/primitives.py
index 90b6fb9..b8ee344 100644
--- a/gerber/primitives.py
+++ b/gerber/primitives.py
@@ -370,12 +370,13 @@ class Arc(Primitive):
class Circle(Primitive):
"""
"""
- def __init__(self, position, diameter, **kwargs):
+ def __init__(self, position, diameter, hole_diameter = 0, **kwargs):
super(Circle, self).__init__(**kwargs)
validate_coordinates(position)
self.position = position
self.diameter = diameter
- self._to_convert = ['position', 'diameter']
+ self.hole_diameter = hole_diameter
+ self._to_convert = ['position', 'diameter', 'hole_diameter']
@property
def flashed(self):
@@ -384,6 +385,10 @@ class Circle(Primitive):
@property
def radius(self):
return self.diameter / 2.
+
+ @property
+ def hole_radius(self):
+ return self.hole_diameter / 2.
@property
def bounding_box(self):
@@ -402,7 +407,7 @@ class Circle(Primitive):
if not isinstance(other, Circle):
return False
- if self.diameter != other.diameter:
+ if self.diameter != other.diameter or self.hole_diameter != other.hole_diameter:
return False
equiv_position = tuple(map(add, other.position, offset))
@@ -456,13 +461,14 @@ class Rectangle(Primitive):
Only aperture macro generated Rectangle objects can be rotated. If you aren't in a AMGroup,
then you don't need to worry about rotation
"""
- def __init__(self, position, width, height, **kwargs):
+ def __init__(self, position, width, height, hole_diameter=0, **kwargs):
super(Rectangle, self).__init__(**kwargs)
validate_coordinates(position)
self.position = position
self.width = width
self.height = height
- self._to_convert = ['position', 'width', 'height']
+ self.hole_diameter = hole_diameter
+ self._to_convert = ['position', 'width', 'height', 'hole_diameter']
@property
def flashed(self):
@@ -477,6 +483,11 @@ class Rectangle(Primitive):
def upper_right(self):
return (self.position[0] + (self._abs_width / 2.),
self.position[1] + (self._abs_height / 2.))
+
+ @property
+ def hole_radius(self):
+ """The radius of the hole. If there is no hole, returns 0"""
+ return self.hole_diameter / 2.
@property
def bounding_box(self):
@@ -499,12 +510,12 @@ class Rectangle(Primitive):
math.sin(math.radians(self.rotation)) * self.width)
def equivalent(self, other, offset):
- '''Is this the same as the other rect, ignoring the offiset?'''
+ """Is this the same as the other rect, ignoring the offset?"""
if not isinstance(other, Rectangle):
return False
- if self.width != other.width or self.height != other.height or self.rotation != other.rotation:
+ if self.width != other.width or self.height != other.height or self.rotation != other.rotation or self.hole_diameter != other.hole_diameter:
return False
equiv_position = tuple(map(add, other.position, offset))
@@ -655,13 +666,14 @@ class RoundRectangle(Primitive):
class Obround(Primitive):
"""
"""
- def __init__(self, position, width, height, **kwargs):
+ def __init__(self, position, width, height, hole_diameter=0, **kwargs):
super(Obround, self).__init__(**kwargs)
validate_coordinates(position)
self.position = position
self.width = width
self.height = height
- self._to_convert = ['position', 'width', 'height']
+ self.hole_diameter = hole_diameter
+ self._to_convert = ['position', 'width', 'height', 'hole_diameter']
@property
def flashed(self):
@@ -676,6 +688,11 @@ class Obround(Primitive):
def upper_right(self):
return (self.position[0] + (self._abs_width / 2.),
self.position[1] + (self._abs_height / 2.))
+
+ @property
+ def hole_radius(self):
+ """The radius of the hole. If there is no hole, returns 0"""
+ return self.hole_diameter / 2.
@property
def orientation(self):
diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py
index 0cb230b..78ccf34 100644
--- a/gerber/render/cairo_backend.py
+++ b/gerber/render/cairo_backend.py
@@ -20,13 +20,14 @@ try:
except ImportError:
import cairocffi as cairo
-from operator import mul, div
import math
+from operator import mul, div
import tempfile
+from ..primitives import *
from .render import GerberContext, RenderSettings
from .theme import THEMES
-from ..primitives import *
+
try:
from cStringIO import StringIO
@@ -219,15 +220,30 @@ class GerberCairoContext(GerberContext):
center = tuple(map(mul, circle.position, self.scale))
if not self.invert:
ctx = self.ctx
- ctx.set_source_rgba(*color, alpha=self.alpha)
+ ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
ctx.set_operator(cairo.OPERATOR_OVER if circle.level_polarity == "dark" else cairo.OPERATOR_CLEAR)
else:
ctx = self.mask_ctx
ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
ctx.set_operator(cairo.OPERATOR_CLEAR)
+
+ if circle.hole_diameter > 0:
+ ctx.push_group()
+
ctx.set_line_width(0)
ctx.arc(center[0], center[1], radius=circle.radius * self.scale[0], angle1=0, angle2=2 * math.pi)
- ctx.fill()
+ ctx.fill()
+
+ if circle.hole_diameter > 0:
+ # Render the center clear
+
+ ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
+ ctx.set_operator(cairo.OPERATOR_CLEAR)
+ ctx.arc(center[0], center[1], radius=circle.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ ctx.fill()
+
+ ctx.pop_group_to_source()
+ ctx.paint_with_alpha(1)
def _render_rectangle(self, rectangle, color):
ll = map(mul, rectangle.lower_left, self.scale)
@@ -253,48 +269,95 @@ class GerberCairoContext(GerberContext):
ll[1] = ll[1] - center[1]
matrix.rotate(rectangle.rotation)
ctx.transform(matrix)
-
+
+ if rectangle.hole_diameter > 0:
+ ctx.push_group()
+
ctx.set_line_width(0)
ctx.rectangle(ll[0], ll[1], width, height)
ctx.fill()
+ if rectangle.hole_diameter > 0:
+ # Render the center clear
+ ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
+ ctx.set_operator(cairo.OPERATOR_CLEAR)
+ center = map(mul, rectangle.position, self.scale)
+ ctx.arc(center[0], center[1], radius=rectangle.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ ctx.fill()
+
+ ctx.pop_group_to_source()
+ ctx.paint_with_alpha(1)
+
if rectangle.rotation != 0:
ctx.restore()
def _render_obround(self, obround, color):
+
+ if not self.invert:
+ ctx = self.ctx
+ ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
+ ctx.set_operator(cairo.OPERATOR_OVER if obround.level_polarity == "dark" else cairo.OPERATOR_CLEAR)
+ else:
+ ctx = self.mask_ctx
+ ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
+ ctx.set_operator(cairo.OPERATOR_CLEAR)
+
+ if obround.hole_diameter > 0:
+ ctx.push_group()
+
self._render_circle(obround.subshapes['circle1'], color)
self._render_circle(obround.subshapes['circle2'], color)
self._render_rectangle(obround.subshapes['rectangle'], color)
+ if obround.hole_diameter > 0:
+ # Render the center clear
+ ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
+ ctx.set_operator(cairo.OPERATOR_CLEAR)
+ center = map(mul, obround.position, self.scale)
+ ctx.arc(center[0], center[1], radius=obround.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ ctx.fill()
+
+ ctx.pop_group_to_source()
+ ctx.paint_with_alpha(1)
+
def _render_polygon(self, polygon, color):
+
+ # TODO Ths does not handle rotation of a polygon
+ if not self.invert:
+ ctx = self.ctx
+ ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
+ ctx.set_operator(cairo.OPERATOR_OVER if polygon.level_polarity == "dark" else cairo.OPERATOR_CLEAR)
+ else:
+ ctx = self.mask_ctx
+ ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
+ ctx.set_operator(cairo.OPERATOR_CLEAR)
+
if polygon.hole_radius > 0:
- self.ctx.push_group()
+ ctx.push_group()
vertices = polygon.vertices
-
- self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER if (polygon.level_polarity == "dark" and not self.invert) else cairo.OPERATOR_CLEAR)
- self.ctx.set_line_width(0)
- self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
+
+ ctx.set_line_width(0)
+ ctx.set_line_cap(cairo.LINE_CAP_ROUND)
# Start from before the end so it is easy to iterate and make sure it is closed
- self.ctx.move_to(*map(mul, vertices[-1], self.scale))
+ ctx.move_to(*map(mul, vertices[-1], self.scale))
for v in vertices:
- self.ctx.line_to(*map(mul, v, self.scale))
+ ctx.line_to(*map(mul, v, self.scale))
- self.ctx.fill()
+ ctx.fill()
if polygon.hole_radius > 0:
# Render the center clear
center = tuple(map(mul, polygon.position, self.scale))
- self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
- self.ctx.set_line_width(0)
- self.ctx.arc(center[0], center[1], polygon.hole_radius * self.scale[0], 0, 2 * math.pi)
- self.ctx.fill()
+ ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
+ ctx.set_operator(cairo.OPERATOR_CLEAR)
+ ctx.set_line_width(0)
+ ctx.arc(center[0], center[1], polygon.hole_radius * self.scale[0], 0, 2 * math.pi)
+ ctx.fill()
- self.ctx.pop_group_to_source()
- self.ctx.paint_with_alpha(1)
+ ctx.pop_group_to_source()
+ ctx.paint_with_alpha(1)
def _render_drill(self, circle, color):
self._render_circle(circle, color)
diff --git a/gerber/render/rs274x_backend.py b/gerber/render/rs274x_backend.py
index 972edcb..15e9154 100644
--- a/gerber/render/rs274x_backend.py
+++ b/gerber/render/rs274x_backend.py
@@ -151,7 +151,7 @@ class Rs274xContext(GerberContext):
# Select the right aperture if not already selected
if aperture:
if isinstance(aperture, Circle):
- aper = self._get_circle(aperture.diameter)
+ aper = self._get_circle(aperture.diameter, aperture.hole_diameter)
elif isinstance(aperture, Rectangle):
aper = self._get_rectangle(aperture.width, aperture.height)
elif isinstance(aperture, Obround):
@@ -275,10 +275,10 @@ class Rs274xContext(GerberContext):
self._pos = primitive.position
- def _get_circle(self, diameter, dcode = None):
+ def _get_circle(self, diameter, hole_diameter, dcode = None):
'''Define a circlar aperture'''
- aper = self._circles.get(diameter, None)
+ aper = self._circles.get((diameter, hole_diameter), None)
if not aper:
if not dcode:
@@ -287,15 +287,15 @@ class Rs274xContext(GerberContext):
else:
self._next_dcode = max(dcode + 1, self._next_dcode)
- aper = ADParamStmt.circle(dcode, diameter)
- self._circles[diameter] = aper
+ aper = ADParamStmt.circle(dcode, diameter, hole_diameter)
+ self._circles[(diameter, hole_diameter)] = aper
self.header.append(aper)
return aper
def _render_circle(self, circle, color):
- aper = self._get_circle(circle.diameter)
+ aper = self._get_circle(circle.diameter, circle.hole_diameter)
self._render_flash(circle, aper)
def _get_rectangle(self, width, height, dcode = None):
diff --git a/gerber/rs274x.py b/gerber/rs274x.py
index 260fbf8..e88bba7 100644
--- a/gerber/rs274x.py
+++ b/gerber/rs274x.py
@@ -482,15 +482,33 @@ class GerberParser(object):
aperture = None
if shape == 'C':
diameter = modifiers[0][0]
- aperture = Circle(position=None, diameter=diameter, units=self.settings.units)
+
+ if len(modifiers[0]) >= 2:
+ hole_diameter = modifiers[0][1]
+ else:
+ hole_diameter = 0
+
+ aperture = Circle(position=None, diameter=diameter, hole_diameter=hole_diameter, units=self.settings.units)
elif shape == 'R':
width = modifiers[0][0]
height = modifiers[0][1]
- aperture = Rectangle(position=None, width=width, height=height, units=self.settings.units)
+
+ if len(modifiers[0]) >= 3:
+ hole_diameter = modifiers[0][2]
+ else:
+ hole_diameter = 0
+
+ aperture = Rectangle(position=None, width=width, height=height, hole_diameter=hole_diameter, units=self.settings.units)
elif shape == 'O':
width = modifiers[0][0]
height = modifiers[0][1]
- aperture = Obround(position=None, width=width, height=height, units=self.settings.units)
+
+ if len(modifiers[0]) >= 3:
+ hole_diameter = modifiers[0][2]
+ else:
+ hole_diameter = 0
+
+ aperture = Obround(position=None, width=width, height=height, hole_diameter=hole_diameter, units=self.settings.units)
elif shape == 'P':
outer_diameter = modifiers[0][0]
number_vertices = int(modifiers[0][1])
diff --git a/gerber/tests/golden/example_coincident_hole.png b/gerber/tests/golden/example_coincident_hole.png
new file mode 100644
index 0000000..9855b11
--- /dev/null
+++ b/gerber/tests/golden/example_coincident_hole.png
Binary files differ
diff --git a/gerber/tests/golden/example_cutin_multiple.png b/gerber/tests/golden/example_cutin_multiple.png
new file mode 100644
index 0000000..ebc1191
--- /dev/null
+++ b/gerber/tests/golden/example_cutin_multiple.png
Binary files differ
diff --git a/gerber/tests/golden/example_flash_circle.png b/gerber/tests/golden/example_flash_circle.png
new file mode 100644
index 0000000..0c407f6
--- /dev/null
+++ b/gerber/tests/golden/example_flash_circle.png
Binary files differ
diff --git a/gerber/tests/golden/example_flash_obround.png b/gerber/tests/golden/example_flash_obround.png
new file mode 100644
index 0000000..2fd4dc3
--- /dev/null
+++ b/gerber/tests/golden/example_flash_obround.png
Binary files differ
diff --git a/gerber/tests/golden/example_flash_polygon.png b/gerber/tests/golden/example_flash_polygon.png
new file mode 100644
index 0000000..89a964b
--- /dev/null
+++ b/gerber/tests/golden/example_flash_polygon.png
Binary files differ
diff --git a/gerber/tests/golden/example_flash_rectangle.png b/gerber/tests/golden/example_flash_rectangle.png
new file mode 100644
index 0000000..797e0c3
--- /dev/null
+++ b/gerber/tests/golden/example_flash_rectangle.png
Binary files differ
diff --git a/gerber/tests/golden/example_fully_coincident.png b/gerber/tests/golden/example_fully_coincident.png
new file mode 100644
index 0000000..4e522ff
--- /dev/null
+++ b/gerber/tests/golden/example_fully_coincident.png
Binary files differ
diff --git a/gerber/tests/golden/example_not_overlapping_contour.png b/gerber/tests/golden/example_not_overlapping_contour.png
new file mode 100644
index 0000000..4e522ff
--- /dev/null
+++ b/gerber/tests/golden/example_not_overlapping_contour.png
Binary files differ
diff --git a/gerber/tests/golden/example_not_overlapping_touching.png b/gerber/tests/golden/example_not_overlapping_touching.png
new file mode 100644
index 0000000..d485495
--- /dev/null
+++ b/gerber/tests/golden/example_not_overlapping_touching.png
Binary files differ
diff --git a/gerber/tests/golden/example_overlapping_contour.png b/gerber/tests/golden/example_overlapping_contour.png
new file mode 100644
index 0000000..7504311
--- /dev/null
+++ b/gerber/tests/golden/example_overlapping_contour.png
Binary files differ
diff --git a/gerber/tests/golden/example_overlapping_touching.png b/gerber/tests/golden/example_overlapping_touching.png
new file mode 100644
index 0000000..7504311
--- /dev/null
+++ b/gerber/tests/golden/example_overlapping_touching.png
Binary files differ
diff --git a/gerber/tests/golden/example_simple_contour.png b/gerber/tests/golden/example_simple_contour.png
new file mode 100644
index 0000000..564ae14
--- /dev/null
+++ b/gerber/tests/golden/example_simple_contour.png
Binary files differ
diff --git a/gerber/tests/golden/example_single_contour.png b/gerber/tests/golden/example_single_contour.png
new file mode 100644
index 0000000..3341638
--- /dev/null
+++ b/gerber/tests/golden/example_single_contour.png
Binary files differ
diff --git a/gerber/tests/golden/example_single_contour_3.png b/gerber/tests/golden/example_single_contour_3.png
new file mode 100644
index 0000000..1eecfee
--- /dev/null
+++ b/gerber/tests/golden/example_single_contour_3.png
Binary files differ
diff --git a/gerber/tests/golden/example_single_quadrant.png b/gerber/tests/golden/example_single_quadrant.png
new file mode 100644
index 0000000..89b763f
--- /dev/null
+++ b/gerber/tests/golden/example_single_quadrant.png
Binary files differ
diff --git a/gerber/tests/golden/example_two_square_boxes.png b/gerber/tests/golden/example_two_square_boxes.png
index 4732995..98d0518 100644
--- a/gerber/tests/golden/example_two_square_boxes.png
+++ b/gerber/tests/golden/example_two_square_boxes.png
Binary files differ
diff --git a/gerber/tests/resources/example_coincident_hole.gbr b/gerber/tests/resources/example_coincident_hole.gbr
new file mode 100644
index 0000000..4f896ea
--- /dev/null
+++ b/gerber/tests/resources/example_coincident_hole.gbr
@@ -0,0 +1,24 @@
+G04 ex2: overlapping*
+%FSLAX24Y24*%
+%MOMM*%
+%SRX1Y1I0.000J0.000*%
+%ADD10C,1.00000*%
+G01*
+%LPD*%
+G36*
+X0Y50000D02*
+Y100000D01*
+X100000D01*
+Y0D01*
+X0D01*
+Y50000D01*
+G04 first fully coincident linear segment*
+X10000D01*
+X50000Y10000D01*
+X90000Y50000D01*
+X50000Y90000D01*
+X10000Y50000D01*
+G04 second fully coincident linear segment*
+X0D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_cutin.gbr b/gerber/tests/resources/example_cutin.gbr
new file mode 100644
index 0000000..365e5e1
--- /dev/null
+++ b/gerber/tests/resources/example_cutin.gbr
@@ -0,0 +1,18 @@
+G04 Umaco uut-in example*
+%FSLAX24Y24*%
+G75*
+G36*
+X20000Y100000D02*
+G01*
+X120000D01*
+Y20000D01*
+X20000D01*
+Y60000D01*
+X50000D01*
+G03*
+X50000Y60000I30000J0D01*
+G01*
+X20000D01*
+Y100000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_cutin_multiple.gbr b/gerber/tests/resources/example_cutin_multiple.gbr
new file mode 100644
index 0000000..8e19429
--- /dev/null
+++ b/gerber/tests/resources/example_cutin_multiple.gbr
@@ -0,0 +1,28 @@
+G04 multiple cutins*
+%FSLAX24Y24*%
+%MOMM*%
+%SRX1Y1I0.000J0.000*%
+%ADD10C,1.00000*%
+%LPD*%
+G36*
+X1220000Y2570000D02*
+G01*
+Y2720000D01*
+X1310000D01*
+Y2570000D01*
+X1250000D01*
+Y2600000D01*
+X1290000D01*
+Y2640000D01*
+X1250000D01*
+Y2670000D01*
+X1290000D01*
+Y2700000D01*
+X1250000D01*
+Y2670000D01*
+Y2640000D01*
+Y2600000D01*
+Y2570000D01*
+X1220000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_flash_circle.gbr b/gerber/tests/resources/example_flash_circle.gbr
new file mode 100644
index 0000000..20b2566
--- /dev/null
+++ b/gerber/tests/resources/example_flash_circle.gbr
@@ -0,0 +1,10 @@
+G04 Flashes of circular apertures*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10C,0.5*%
+%ADD11C,0.5X0.25*%
+D10*
+X000000Y000000D03*
+D11*
+X010000D03*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_flash_obround.gbr b/gerber/tests/resources/example_flash_obround.gbr
new file mode 100644
index 0000000..5313f82
--- /dev/null
+++ b/gerber/tests/resources/example_flash_obround.gbr
@@ -0,0 +1,10 @@
+G04 Flashes of rectangular apertures*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10O,0.46X0.26*%
+%ADD11O,0.46X0.26X0.19*%
+D10*
+X000000Y000000D03*
+D11*
+X010000D03*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_flash_polygon.gbr b/gerber/tests/resources/example_flash_polygon.gbr
new file mode 100644
index 0000000..177cf9b
--- /dev/null
+++ b/gerber/tests/resources/example_flash_polygon.gbr
@@ -0,0 +1,10 @@
+G04 Flashes of rectangular apertures*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10P,.40X6*%
+%ADD11P,.40X6X0.0X0.19*%
+D10*
+X000000Y000000D03*
+D11*
+X010000D03*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_flash_rectangle.gbr b/gerber/tests/resources/example_flash_rectangle.gbr
new file mode 100644
index 0000000..8fde812
--- /dev/null
+++ b/gerber/tests/resources/example_flash_rectangle.gbr
@@ -0,0 +1,10 @@
+G04 Flashes of rectangular apertures*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10R,0.44X0.25*%
+%ADD11R,0.44X0.25X0.19*%
+D10*
+X000000Y000000D03*
+D11*
+X010000D03*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_fully_coincident.gbr b/gerber/tests/resources/example_fully_coincident.gbr
new file mode 100644
index 0000000..3764128
--- /dev/null
+++ b/gerber/tests/resources/example_fully_coincident.gbr
@@ -0,0 +1,23 @@
+G04 ex1: non overlapping*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10C,1.00000*%
+G01*
+%LPD*%
+G36*
+X0Y50000D02*
+Y100000D01*
+X100000D01*
+Y0D01*
+X0D01*
+Y50000D01*
+G04 first fully coincident linear segment*
+X-10000D01*
+X-50000Y10000D01*
+X-90000Y50000D01*
+X-50000Y90000D01*
+X-10000Y50000D01*
+G04 second fully coincident linear segment*
+X0D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_level_holes.gbr b/gerber/tests/resources/example_level_holes.gbr
new file mode 100644
index 0000000..1b4e189
--- /dev/null
+++ b/gerber/tests/resources/example_level_holes.gbr
@@ -0,0 +1,39 @@
+G04 This file illustrates how to use levels to create holes*
+%FSLAX25Y25*%
+%MOMM*%
+G01*
+G04 First level: big square - dark polarity*
+%LPD*%
+G36*
+X250000Y250000D02*
+X1750000D01*
+Y1750000D01*
+X250000D01*
+Y250000D01*
+G37*
+G04 Second level: big circle - clear polarity*
+%LPC*%
+G36*
+G75*
+X500000Y1000000D02*
+G03*
+X500000Y1000000I500000J0D01*
+G37*
+G04 Third level: small square - dark polarity*
+%LPD*%
+G36*
+X750000Y750000D02*
+X1250000D01*
+Y1250000D01*
+X750000D01*
+Y750000D01*
+G37*
+G04 Fourth level: small circle - clear polarity*
+%LPC*%
+G36*
+G75*
+X1150000Y1000000D02*
+G03*
+X1150000Y1000000I250000J0D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_not_overlapping_contour.gbr b/gerber/tests/resources/example_not_overlapping_contour.gbr
new file mode 100644
index 0000000..e3ea631
--- /dev/null
+++ b/gerber/tests/resources/example_not_overlapping_contour.gbr
@@ -0,0 +1,20 @@
+G04 Non-overlapping contours*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10C,1.00000*%
+G01*
+%LPD*%
+G36*
+X0Y50000D02*
+Y100000D01*
+X100000D01*
+Y0D01*
+X0D01*
+Y50000D01*
+X-10000D02*
+X-50000Y10000D01*
+X-90000Y50000D01*
+X-50000Y90000D01*
+X-10000Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_not_overlapping_touching.gbr b/gerber/tests/resources/example_not_overlapping_touching.gbr
new file mode 100644
index 0000000..3b9b955
--- /dev/null
+++ b/gerber/tests/resources/example_not_overlapping_touching.gbr
@@ -0,0 +1,20 @@
+G04 Non-overlapping and touching*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10C,1.00000*%
+G01*
+%LPD*%
+G36*
+X0Y50000D02*
+Y100000D01*
+X100000D01*
+Y0D01*
+X0D01*
+Y50000D01*
+D02*
+X-50000Y10000D01*
+X-90000Y50000D01*
+X-50000Y90000D01*
+X0Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_overlapping_contour.gbr b/gerber/tests/resources/example_overlapping_contour.gbr
new file mode 100644
index 0000000..74886a2
--- /dev/null
+++ b/gerber/tests/resources/example_overlapping_contour.gbr
@@ -0,0 +1,20 @@
+G04 Overlapping contours*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10C,1.00000*%
+G01*
+%LPD*%
+G36*
+X0Y50000D02*
+Y100000D01*
+X100000D01*
+Y0D01*
+X0D01*
+Y50000D01*
+X10000D02*
+X50000Y10000D01*
+X90000Y50000D01*
+X50000Y90000D01*
+X10000Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_overlapping_touching.gbr b/gerber/tests/resources/example_overlapping_touching.gbr
new file mode 100644
index 0000000..27fce15
--- /dev/null
+++ b/gerber/tests/resources/example_overlapping_touching.gbr
@@ -0,0 +1,20 @@
+G04 Overlapping and touching*
+%FSLAX24Y24*%
+%MOMM*%
+%ADD10C,1.00000*%
+G01*
+%LPD*%
+G36*
+X0Y50000D02*
+Y100000D01*
+X100000D01*
+Y0D01*
+X0D01*
+Y50000D01*
+D02*
+X50000Y10000D01*
+X90000Y50000D01*
+X50000Y90000D01*
+X0Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_simple_contour.gbr b/gerber/tests/resources/example_simple_contour.gbr
new file mode 100644
index 0000000..d851760
--- /dev/null
+++ b/gerber/tests/resources/example_simple_contour.gbr
@@ -0,0 +1,16 @@
+G04 Ucamco ex. 4.6.4: Simple contour*
+%FSLAX25Y25*%
+%MOIN*%
+%ADD10C,0.010*%
+G36*
+X200000Y300000D02*
+G01*
+X700000D01*
+Y100000D01*
+X1100000Y500000D01*
+X700000Y900000D01*
+Y700000D01*
+X200000D01*
+Y300000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_single_contour_1.gbr b/gerber/tests/resources/example_single_contour_1.gbr
new file mode 100644
index 0000000..e9f9a75
--- /dev/null
+++ b/gerber/tests/resources/example_single_contour_1.gbr
@@ -0,0 +1,15 @@
+G04 Ucamco ex. 4.6.5: Single contour #1*
+%FSLAX25Y25*%
+%MOMM*%
+%ADD11C,0.01*%
+G01*
+D11*
+X3000Y5000D01*
+G36*
+X50000Y50000D02*
+X60000D01*
+Y60000D01*
+X50000D01*
+Y50000Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_single_contour_2.gbr b/gerber/tests/resources/example_single_contour_2.gbr
new file mode 100644
index 0000000..085c72c
--- /dev/null
+++ b/gerber/tests/resources/example_single_contour_2.gbr
@@ -0,0 +1,15 @@
+G04 Ucamco ex. 4.6.5: Single contour #2*
+%FSLAX25Y25*%
+%MOMM*%
+%ADD11C,0.01*%
+G01*
+D11*
+X3000Y5000D01*
+X50000Y50000D02*
+G36*
+X60000D01*
+Y60000D01*
+X50000D01*
+Y50000Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_single_contour_3.gbr b/gerber/tests/resources/example_single_contour_3.gbr
new file mode 100644
index 0000000..40de149
--- /dev/null
+++ b/gerber/tests/resources/example_single_contour_3.gbr
@@ -0,0 +1,15 @@
+G04 Ucamco ex. 4.6.5: Single contour #2*
+%FSLAX25Y25*%
+%MOMM*%
+%ADD11C,0.01*%
+G01*
+D11*
+X3000Y5000D01*
+X50000Y50000D01*
+G36*
+X60000D01*
+Y60000D01*
+X50000D01*
+Y50000Y50000D01*
+G37*
+M02* \ No newline at end of file
diff --git a/gerber/tests/resources/example_single_quadrant.gbr b/gerber/tests/resources/example_single_quadrant.gbr
new file mode 100644
index 0000000..c398601
--- /dev/null
+++ b/gerber/tests/resources/example_single_quadrant.gbr
@@ -0,0 +1,18 @@
+G04 Ucamco ex. 4.5.8: Single quadrant*
+%FSLAX23Y23*%
+%MOIN*%
+%ADD10C,0.010*%
+G74*
+D10*
+X1100Y600D02*
+G03*
+X700Y1000I400J0D01*
+X300Y600I0J400D01*
+X700Y200I400J0D01*
+X1100Y600I0J400D01*
+X300D02*
+G01*
+X1100D01*
+X700Y200D02*
+Y1000D01*
+M02* \ No newline at end of file
diff --git a/gerber/tests/test_cairo_backend.py b/gerber/tests/test_cairo_backend.py
index e298439..38cffba 100644
--- a/gerber/tests/test_cairo_backend.py
+++ b/gerber/tests/test_cairo_backend.py
@@ -8,16 +8,125 @@ import os
from ..render.cairo_backend import GerberCairoContext
from ..rs274x import read, GerberFile
from .tests import *
+from nose.tools import assert_tuple_equal
+def test_render_two_boxes():
+ """Umaco exapmle of two boxes"""
+ _test_render('resources/example_two_square_boxes.gbr', 'golden/example_two_square_boxes.png')
-TWO_BOXES_FILE = os.path.join(os.path.dirname(__file__),
- 'resources/example_two_square_boxes.gbr')
-TWO_BOXES_EXPECTED = os.path.join(os.path.dirname(__file__),
- 'golden/example_two_square_boxes.png')
-def test_render_polygon():
+def test_render_single_quadrant():
+ """Umaco exapmle of a single quadrant arc"""
+ _test_render('resources/example_single_quadrant.gbr', 'golden/example_single_quadrant.png')
+
+
+def test_render_simple_contour():
+ """Umaco exapmle of a simple arrow-shaped contour"""
+ gerber = _test_render('resources/example_simple_contour.gbr', 'golden/example_simple_contour.png')
+
+ # Check the resulting dimensions
+ assert_tuple_equal(((2.0, 11.0), (1.0, 9.0)), gerber.bounding_box)
+
+
+def test_render_single_contour_1():
+ """Umaco example of a single contour
+
+ The resulting image for this test is used by other tests because they must generate the same output."""
+ _test_render('resources/example_single_contour_1.gbr', 'golden/example_single_contour.png')
+
+
+def test_render_single_contour_2():
+ """Umaco exapmle of a single contour, alternate contour end order
+
+ The resulting image for this test is used by other tests because they must generate the same output."""
+ _test_render('resources/example_single_contour_2.gbr', 'golden/example_single_contour.png')
+
+
+def test_render_single_contour_3():
+ """Umaco exapmle of a single contour with extra line"""
+ _test_render('resources/example_single_contour_3.gbr', 'golden/example_single_contour_3.png')
+
+
+def test_render_not_overlapping_contour():
+ """Umaco example of D02 staring a second contour"""
+ _test_render('resources/example_not_overlapping_contour.gbr', 'golden/example_not_overlapping_contour.png')
+
+
+def test_render_not_overlapping_touching():
+ """Umaco example of D02 staring a second contour"""
+ _test_render('resources/example_not_overlapping_touching.gbr', 'golden/example_not_overlapping_touching.png')
+
+
+def test_render_overlapping_touching():
+ """Umaco example of D02 staring a second contour"""
+ _test_render('resources/example_overlapping_touching.gbr', 'golden/example_overlapping_touching.png')
+
+
+def test_render_overlapping_contour():
+ """Umaco example of D02 staring a second contour"""
+ _test_render('resources/example_overlapping_contour.gbr', 'golden/example_overlapping_contour.png')
+
+
+def _DISABLED_test_render_level_holes():
+ """Umaco example of using multiple levels to create multiple holes"""
+
+ # TODO This is clearly rendering wrong. I'm temporarily checking this in because there are more
+ # rendering fixes in the related repository that may resolve these.
+ _test_render('resources/example_level_holes.gbr', 'golden/example_overlapping_contour.png')
+
+
+def _DISABLED_test_render_cutin():
+ """Umaco example of using a cutin"""
+
+ # TODO This is clearly rendering wrong.
+ _test_render('resources/example_cutin.gbr', 'golden/example_cutin.png')
+
+
+def test_render_fully_coincident():
+ """Umaco example of coincident lines rendering two contours"""
+
+ _test_render('resources/example_fully_coincident.gbr', 'golden/example_fully_coincident.png')
+
+
+def test_render_coincident_hole():
+ """Umaco example of coincident lines rendering a hole in the contour"""
+
+ _test_render('resources/example_coincident_hole.gbr', 'golden/example_coincident_hole.png')
+
+
+def test_render_cutin_multiple():
+ """Umaco example of a region with multiple cutins"""
+
+ _test_render('resources/example_cutin_multiple.gbr', 'golden/example_cutin_multiple.png')
+
+
+def test_flash_circle():
+ """Umaco example a simple circular flash with and without a hole"""
+
+ _test_render('resources/example_flash_circle.gbr', 'golden/example_flash_circle.png')
+
+
+def test_flash_rectangle():
+ """Umaco example a simple rectangular flash with and without a hole"""
+
+ _test_render('resources/example_flash_rectangle.gbr', 'golden/example_flash_rectangle.png')
+
+
+def test_flash_obround():
+ """Umaco example a simple obround flash with and without a hole"""
+
+ _test_render('resources/example_flash_obround.gbr', 'golden/example_flash_obround.png')
+
+
+def test_flash_polygon():
+ """Umaco example a simple polygon flash with and without a hole"""
+
+ _test_render('resources/example_flash_polygon.gbr', 'golden/example_flash_polygon.png', 'golden/example_flash_polygon.png')
+
+def _resolve_path(path):
+ return os.path.join(os.path.dirname(__file__),
+ path)
- _test_render(TWO_BOXES_FILE, TWO_BOXES_EXPECTED)
def _test_render(gerber_path, png_expected_path, create_output_path = None):
"""Render the gerber file and compare to the expected PNG output.
@@ -33,6 +142,11 @@ def _test_render(gerber_path, png_expected_path, create_output_path = None):
This is primarily to help with
"""
+ gerber_path = _resolve_path(gerber_path)
+ png_expected_path = _resolve_path(png_expected_path)
+ if create_output_path:
+ create_output_path = _resolve_path(create_output_path)
+
gerber = read(gerber_path)
# Create PNG image to the memory stream
@@ -56,3 +170,5 @@ def _test_render(gerber_path, png_expected_path, create_output_path = None):
expected_bytes = expected_file.read()
assert_equal(expected_bytes, actual_bytes)
+
+ return gerber
diff --git a/gerber/tests/test_primitives.py b/gerber/tests/test_primitives.py
index a88497c..bc67891 100644
--- a/gerber/tests/test_primitives.py
+++ b/gerber/tests/test_primitives.py
@@ -236,6 +236,12 @@ def test_circle_radius():
c = Circle((1, 1), 2)
assert_equal(c.radius, 1)
+def test_circle_hole_radius():
+ """ Test Circle primitive hole radius calculation
+ """
+ c = Circle((1, 1), 4, 2)
+ assert_equal(c.hole_radius, 1)
+
def test_circle_bounds():
""" Test Circle bounding box calculation
"""
@@ -243,35 +249,81 @@ def test_circle_bounds():
assert_equal(c.bounding_box, ((0, 2), (0, 2)))
def test_circle_conversion():
+ """Circle conversion of units"""
+ # Circle initially metric, no hole
c = Circle((2.54, 25.4), 254.0, units='metric')
c.to_metric() #shouldn't do antyhing
assert_equal(c.position, (2.54, 25.4))
assert_equal(c.diameter, 254.)
+ assert_equal(c.hole_diameter, 0.)
c.to_inch()
assert_equal(c.position, (0.1, 1.))
assert_equal(c.diameter, 10.)
+ assert_equal(c.hole_diameter, 0)
#no effect
c.to_inch()
assert_equal(c.position, (0.1, 1.))
assert_equal(c.diameter, 10.)
+ assert_equal(c.hole_diameter, 0)
+
+ # Circle initially metric, with hole
+ c = Circle((2.54, 25.4), 254.0, 127.0, units='metric')
+ c.to_metric() #shouldn't do antyhing
+ assert_equal(c.position, (2.54, 25.4))
+ assert_equal(c.diameter, 254.)
+ assert_equal(c.hole_diameter, 127.)
+
+ c.to_inch()
+ assert_equal(c.position, (0.1, 1.))
+ assert_equal(c.diameter, 10.)
+ assert_equal(c.hole_diameter, 5.)
+
+ #no effect
+ c.to_inch()
+ assert_equal(c.position, (0.1, 1.))
+ assert_equal(c.diameter, 10.)
+ assert_equal(c.hole_diameter, 5.)
+
+ # Circle initially inch, no hole
c = Circle((0.1, 1.0), 10.0, units='inch')
#No effect
c.to_inch()
assert_equal(c.position, (0.1, 1.))
assert_equal(c.diameter, 10.)
+ assert_equal(c.hole_diameter, 0)
c.to_metric()
assert_equal(c.position, (2.54, 25.4))
assert_equal(c.diameter, 254.)
+ assert_equal(c.hole_diameter, 0)
#no effect
c.to_metric()
assert_equal(c.position, (2.54, 25.4))
assert_equal(c.diameter, 254.)
+ assert_equal(c.hole_diameter, 0)
+
+ c = Circle((0.1, 1.0), 10.0, 5.0, units='inch')
+ #No effect
+ c.to_inch()
+ assert_equal(c.position, (0.1, 1.))
+ assert_equal(c.diameter, 10.)
+ assert_equal(c.hole_diameter, 5.)
+
+ c.to_metric()
+ assert_equal(c.position, (2.54, 25.4))
+ assert_equal(c.diameter, 254.)
+ assert_equal(c.hole_diameter, 127.)
+
+ #no effect
+ c.to_metric()
+ assert_equal(c.position, (2.54, 25.4))
+ assert_equal(c.diameter, 254.)
+ assert_equal(c.hole_diameter, 127.)
def test_circle_offset():
c = Circle((0, 0), 1)
@@ -355,6 +407,15 @@ def test_rectangle_ctor():
assert_equal(r.position, pos)
assert_equal(r.width, width)
assert_equal(r.height, height)
+
+def test_rectangle_hole_radius():
+ """ Test rectangle hole diameter calculation
+ """
+ r = Rectangle((0,0), 2, 2)
+ assert_equal(0, r.hole_radius)
+
+ r = Rectangle((0,0), 2, 2, 1)
+ assert_equal(0.5, r.hole_radius)
def test_rectangle_bounds():
""" Test rectangle bounding box calculation
@@ -369,6 +430,9 @@ def test_rectangle_bounds():
assert_array_almost_equal(ybounds, (-math.sqrt(2), math.sqrt(2)))
def test_rectangle_conversion():
+ """Test converting rectangles between units"""
+
+ # Initially metric no hole
r = Rectangle((2.54, 25.4), 254.0, 2540.0, units='metric')
r.to_metric()
@@ -385,7 +449,29 @@ def test_rectangle_conversion():
assert_equal(r.position, (0.1, 1.0))
assert_equal(r.width, 10.0)
assert_equal(r.height, 100.0)
+
+ # Initially metric with hole
+ r = Rectangle((2.54, 25.4), 254.0, 2540.0, 127.0, units='metric')
+
+ r.to_metric()
+ assert_equal(r.position, (2.54,25.4))
+ assert_equal(r.width, 254.0)
+ assert_equal(r.height, 2540.0)
+ assert_equal(r.hole_diameter, 127.0)
+
+ r.to_inch()
+ assert_equal(r.position, (0.1, 1.0))
+ assert_equal(r.width, 10.0)
+ assert_equal(r.height, 100.0)
+ assert_equal(r.hole_diameter, 5.0)
+
+ r.to_inch()
+ assert_equal(r.position, (0.1, 1.0))
+ assert_equal(r.width, 10.0)
+ assert_equal(r.height, 100.0)
+ assert_equal(r.hole_diameter, 5.0)
+ # Initially inch, no hole
r = Rectangle((0.1, 1.0), 10.0, 100.0, units='inch')
r.to_inch()
assert_equal(r.position, (0.1, 1.0))
@@ -401,6 +487,26 @@ def test_rectangle_conversion():
assert_equal(r.position, (2.54,25.4))
assert_equal(r.width, 254.0)
assert_equal(r.height, 2540.0)
+
+ # Initially inch with hole
+ r = Rectangle((0.1, 1.0), 10.0, 100.0, 5.0, units='inch')
+ r.to_inch()
+ assert_equal(r.position, (0.1, 1.0))
+ assert_equal(r.width, 10.0)
+ assert_equal(r.height, 100.0)
+ assert_equal(r.hole_diameter, 5.0)
+
+ r.to_metric()
+ assert_equal(r.position, (2.54,25.4))
+ assert_equal(r.width, 254.0)
+ assert_equal(r.height, 2540.0)
+ assert_equal(r.hole_diameter, 127.0)
+
+ r.to_metric()
+ assert_equal(r.position, (2.54,25.4))
+ assert_equal(r.width, 254.0)
+ assert_equal(r.height, 2540.0)
+ assert_equal(r.hole_diameter, 127.0)
def test_rectangle_offset():
r = Rectangle((0, 0), 1, 2)