maybe implement terminals

Author: dragoncoder047

README.md

@@ -34,7 +34,7 @@ C3:100u
 C4:10p
 D1:1N4001
 D2:1N4001
-U1:NE555,8,7,6,2,1,5,3,4
+U1:NE555,7,6,2,1,5,3,4,8
 J1:-5V
 J2:GND
 ```

schemascii/components_render.py

@@ -4,7 +4,8 @@
 from warnings import warn
 from .utils import (Cbox, Terminal, BOMData, XML, Side,
                     polylinegon, id_text, make_text_point,
-                    bunch_o_lines, deep_transform, make_plus, make_variable)
+                    bunch_o_lines, deep_transform, make_plus, make_variable,
+                    sort_counterclockwise)
 from .errors import TerminalsError, BOMError, UnsupportedComponentError
 
 RENDERERS = {}
@@ -221,7 +222,7 @@ def integrated_circuit(
             term.pt,
             term.pt + rect(1, SIDE_TO_ANGLE_MAP[term.side])
         )], **options)
-    if "V" in label_style:
+    if "V" in label_style and part_num:
         out += XML.text(
             XML.tspan(part_num, class_="part-num"),
             x=mid.real,
@@ -238,7 +239,20 @@ def integrated_circuit(
             text__anchor="middle",
             font__size=options["scale"],
             fill=options["stroke"])
-    warn("ICs are not fully implemented yet. Pin labels have not been rendered.")
+    s_terminals = sort_counterclockwise(terminals)
+    for terminal, label in zip(s_terminals, pin_labels):
+        sc_text_pt = terminal.pt * scale
+        out += XML.text(
+            label,
+            x=sc_text_pt.real,
+            y=sc_text_pt.imag,
+            text__anchor=("start" if (terminal.side in (Side.TOP, Side.BOTTOM))
+                          else "middle"),
+            font__size=options["scale"],
+            fill=options["stroke"],
+            class_="pin-label")
+    warn("ICs are not fully implemented yet. "
+         "Pin labels may have not been rendered correctly.")
     return out
 
 

schemascii/utils.py

@@ -1,4 +1,5 @@
 from collections import namedtuple
+from itertools import groupby, chain
 from enum import IntEnum
 from math import pi
 from cmath import phase, rect
@@ -221,3 +222,17 @@ def make_variable(
         (.75-.5j, .5-.55j),
         (.75-.5j, .7-.25j),
     ], center, theta), **options)
+
+
+def sort_counterclockwise(terminals: list[Terminal]) -> list[Terminal]:
+    "Sort the terminals in counterclockwise order."
+    partitioned = {
+        side: list(filtered_terminals)
+        for side, filtered_terminals in groupby(
+            terminals,
+            lambda t: t.side)}
+    return list(chain(
+        sorted(partitioned[Side.LEFT],   key=lambda t:  t.pt.imag),
+        sorted(partitioned[Side.BOTTOM], key=lambda t:  t.pt.real),
+        sorted(partitioned[Side.RIGHT],  key=lambda t: -t.pt.imag),
+        sorted(partitioned[Side.TOP],    key=lambda t: -t.pt.real)))

test_data/test_charge_pump.txt

@@ -21,6 +21,6 @@ C3:100u
 C4:10p
 D1:1N4001
 D2:1N4001
-U1:NE555,8,7,6,2,1,5,3,4
+U1:NE555,7,6,2,1,5,3,4,8
 J1:-5V
 J2:GND

test_data/test_resistors.txt

@@ -4,7 +4,7 @@
 |               |   LED1:red     B1
 |      *--------*                |B1:3.7V,6
 |      |                         |
-|     R4   R4:.3k    *-----------*       C3:2200u,2.5
+|     R4   R4:.3k    *-----------*       C3:22000u,2.5
 |      |             |
 |      *---R.Heater--|---* R.Heater:0.0081K,0.5K
 |      |             |   | VR3:2000
@@ -15,4 +15,6 @@
 |   .~~~.      *-CV1-* CV1:5p
 *--1:U1 :3-----*
     .~~~.
-U1:7805
+      4
+      *-----
+U1:,1,2,3,4