diff options
Diffstat (limited to 'gerbonara/gerber/tests')
| -rw-r--r-- | gerbonara/gerber/tests/image_support.py | 1 | ||||
| -rw-r--r-- | gerbonara/gerber/tests/test_rs274x.py | 16 |
2 files changed, 10 insertions, 7 deletions
diff --git a/gerbonara/gerber/tests/image_support.py b/gerbonara/gerber/tests/image_support.py index 96bc357..23b829d 100644 --- a/gerbonara/gerber/tests/image_support.py +++ b/gerbonara/gerber/tests/image_support.py @@ -129,6 +129,7 @@ def image_difference(reference, actual, diff_out=None): out = np.array(Image.open(actual)).astype(float) ref, out = ref.mean(axis=2), out.mean(axis=2) # convert to grayscale + # FIXME blur images here before comparison to mitigate aliasing issue delta = np.abs(out - ref).astype(float) / 255 if diff_out: Image.fromarray((delta*255).astype(np.uint8), mode='L').save(diff_out) diff --git a/gerbonara/gerber/tests/test_rs274x.py b/gerbonara/gerber/tests/test_rs274x.py index aec2174..0b061b1 100644 --- a/gerbonara/gerber/tests/test_rs274x.py +++ b/gerbonara/gerber/tests/test_rs274x.py @@ -118,9 +118,10 @@ def test_round_trip(temp_files, reference): GerberFile.open(ref).save(tmp_gbr) - mean, max = gerber_difference(ref, tmp_gbr, diff_out=tmp_png) - assert mean < 1e-6 - assert max < 0.1 + mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png) + assert mean < 5e-5 + assert hist[9] == 0 + assert hist[3:].sum() < 5e-5*hist.size TEST_ANGLES = [90, 180, 270, 30, 1.5, 10, 360, 1024, -30, -90] TEST_OFFSETS = [(0, 0), (100, 0), (0, 100), (2, 0), (10, 100)] @@ -165,11 +166,12 @@ def test_rotation_center(temp_files, reference, angle, center): # calculate circle center in SVG coordinates size = (10, 10) # inches cx, cy = to_gerbv_svg_units(center[0]), to_gerbv_svg_units(10, 'inch')-to_gerbv_svg_units(center[1], 'mm') - mean, _max = gerber_difference(ref, tmp_gbr, diff_out=tmp_png, + mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png, svg_transform=f'rotate({angle} {cx} {cy})', size=size) assert mean < 1e-3 - assert hist[9] == 0 + assert hist[9] < 50 + assert hist[3:].sum() < 1e-3*hist.size @pytest.mark.filterwarnings('ignore:Deprecated.*statement found.*:DeprecationWarning') @pytest.mark.filterwarnings('ignore::SyntaxWarning') @@ -205,13 +207,13 @@ def test_combined(temp_files, reference, angle, center, offset): f = GerberFile.open(ref) f.rotate(deg_to_rad(angle), center=center) f.offset(*offset) - f.save(tmp_gbr) + f.save(tmp_gbr, settings=FileSettings(unit=f.unit, number_format=(4,7))) size = (10, 10) # inches cx, cy = to_gerbv_svg_units(center[0]), to_gerbv_svg_units(10, 'inch')-to_gerbv_svg_units(center[1], 'mm') dx, dy = to_gerbv_svg_units(offset[0]), -to_gerbv_svg_units(offset[1]) mean, _max, hist = gerber_difference(ref, tmp_gbr, diff_out=tmp_png, - svg_transform=f'rotate({angle} {cx} {cy}) translate({dx} {dy})', + svg_transform=f'translate({dx} {dy}) rotate({angle} {cx} {cy})', size=size) assert mean < 1e-3 assert hist[9] < 100 |