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authorjaseg <git@jaseg.de>2024-07-07 21:55:17 +0200
committerjaseg <git@jaseg.de>2024-07-07 21:55:17 +0200
commit1ed127e3b324bad221a58bbc953a5a725ed4f21f (patch)
tree3c1e9209b93cff9f391db6f7dc677e0fb7117ddd /gerbonara/cad/protoboard.py
parent1ee6b6587a0a0db1ef91284e9f4c413101520ba6 (diff)
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protoboard: improve permanent breadboard rendering
Diffstat (limited to 'gerbonara/cad/protoboard.py')
-rw-r--r--gerbonara/cad/protoboard.py52
1 files changed, 33 insertions, 19 deletions
diff --git a/gerbonara/cad/protoboard.py b/gerbonara/cad/protoboard.py
index 364dc70..4bb21ad 100644
--- a/gerbonara/cad/protoboard.py
+++ b/gerbonara/cad/protoboard.py
@@ -223,31 +223,35 @@ def numeric(start=1):
return gen
-def alphabetic(case='upper'):
+def alphabetic(case='upper', alphabet=None):
if case not in ('lower', 'upper'):
raise ValueError('case must be one of "lower" or "upper".')
- index = string.ascii_lowercase if case == 'lower' else string.ascii_uppercase
+ if alphabet is None:
+ index = string.ascii_lowercase if case == 'lower' else string.ascii_uppercase
+ else:
+ index = alphabet
+ n = len(index)
def gen():
- nonlocal index
+ nonlocal index, n
for i in itertools.count():
- if i<26:
+ if i<n:
yield index[i]
continue
- i -= 26
- if i<26*26:
- yield index[i//26] + index[i%26]
+ i -= n
+ if i<n*n:
+ yield index[i//n] + index[i%n]
continue
- i -= 26*26
- if i<26*26*26:
- yield index[i//(26*26)] + index[(i//26)%26] + index[i%26]
+ i -= n*n
+ if i<n*n*n:
+ yield index[i//(n*n)] + index[(i//n)%n] + index[i%n]
else:
- raise ValueError('row/column index out of range')
+ raise ValueError(f'row/column index {i} out of range {n**3 + n**2 + n}')
return gen
@@ -276,7 +280,7 @@ class BreadboardArea:
w = max(0, w-2*m)
h = max(0, h-2*m)
- pitch_x = self.width_across
+ pitch_x = self.pitch_x
pitch_y = self.pitch_y
if self.horizontal:
pitch_x, pitch_y = pitch_y, pitch_x
@@ -288,7 +292,7 @@ class BreadboardArea:
@property
def width_across(self):
- w = self.pitch_x * num_holes * 2 + self.center_space
+ w = self.pitch_x * self.num_holes * 2 + self.center_space
if self.num_power_rails > 0:
# include one power rail pitch unit for the space between adjacent tiles.
w += 2*self.power_rail_space + (2*self.num_power_rails-1) * self.power_rail_pitch
@@ -440,6 +444,8 @@ class BreadboardArea:
if self.num_power_rails == 2 and best_layout.count('P') >= 2:
power_rail_labels = ['-', '+'] * best_layout.count('P')
+ else:
+ power_rail_labels = [e for _, e in zip(best_layout, alphabetic(alphabet='ZXYWVU')())]
signal_labels = alphabetic()() # yes, twice.
line_ap = CircleAperture(self.power_trace_width, unit=self.unit)
@@ -454,7 +460,7 @@ class BreadboardArea:
le_line = [Line(*start, *end, aperture=line_ap, unit=self.unit)]
yield Graphics(0, 0, top_silk=le_line, bottom_silk=le_line, unit=self.unit)
- label = power_rail_labels.pop()
+ label = power_rail_labels.pop(0)
elif e == 'H':
label = next(signal_labels)
@@ -464,16 +470,24 @@ class BreadboardArea:
if label:
tx1, ty1 = start
tx2, ty2 = end
+
if self.horizontal:
- pass
+ tx1 -= self.pitch_y/2
+ tx2 += self.pitch_y/2
+
+ yield Text(tx1, ty1, label, self.font_size, self.font_stroke, 'right', 'middle', unit=self.unit)
+ yield Text(tx1, ty1, label, self.font_size, self.font_stroke, 'right', 'middle', unit=self.unit, flip=True)
+ yield Text(tx2, ty2, label, self.font_size, self.font_stroke, 'left', 'middle', unit=self.unit)
+ yield Text(tx2, ty2, label, self.font_size, self.font_stroke, 'left', 'middle', unit=self.unit, flip=True)
+
else:
ty1 -= self.pitch_y/2
ty2 += self.pitch_y/2
- yield Text(tx1, ty1, label, self.font_size, self.font_stroke, 'center', 'top', unit=self.unit)
- yield Text(tx1, ty1, label, self.font_size, self.font_stroke, 'center', 'top', unit=self.unit, flip=True)
- yield Text(tx2, ty2, label, self.font_size, self.font_stroke, 'center', 'bottom', unit=self.unit)
- yield Text(tx2, ty2, label, self.font_size, self.font_stroke, 'center', 'bottom', unit=self.unit, flip=True)
+ yield Text(tx1, ty1, label, self.font_size, self.font_stroke, 'center', 'top', unit=self.unit)
+ yield Text(tx1, ty1, label, self.font_size, self.font_stroke, 'center', 'top', unit=self.unit, flip=True)
+ yield Text(tx2, ty2, label, self.font_size, self.font_stroke, 'center', 'bottom', unit=self.unit)
+ yield Text(tx2, ty2, label, self.font_size, self.font_stroke, 'center', 'bottom', unit=self.unit, flip=True)
class PatternProtoArea: