[pack2d] bin-packing fixes

masque/test/test_pack2d.py

@@ -1,4 +1,4 @@
-from ..utils.pack2d import maxrects_bssf, pack_patterns
+from ..utils.pack2d import maxrects_bssf, guillotine_bssf_sas, pack_patterns
 from ..library import Library
 from ..pattern import Pattern
 
@@ -25,6 +25,34 @@ def test_maxrects_bssf_reject() -> None:
     assert 0 not in rejects
 
 
+def test_maxrects_bssf_exact_fill_rejects_remaining() -> None:
+    rects = [[20, 20], [1, 1]]
+    containers = [[0, 0, 20, 20]]
+
+    locs, rejects = maxrects_bssf(rects, containers, presort=False, allow_rejects=True)
+
+    assert tuple(locs[0]) == (0.0, 0.0)
+    assert rejects == {1}
+
+
+def test_maxrects_bssf_presort_reject_mapping() -> None:
+    rects = [[10, 12], [19, 14], [13, 11]]
+    containers = [[0, 0, 20, 20]]
+
+    _locs, rejects = maxrects_bssf(rects, containers, presort=True, allow_rejects=True)
+
+    assert rejects == {0, 2}
+
+
+def test_guillotine_bssf_sas_presort_reject_mapping() -> None:
+    rects = [[2, 1], [17, 15], [16, 11]]
+    containers = [[0, 0, 20, 20]]
+
+    _locs, rejects = guillotine_bssf_sas(rects, containers, presort=True, allow_rejects=True)
+
+    assert rejects == {2}
+
+
 def test_pack_patterns() -> None:
     lib = Library()
     p1 = Pattern()
@@ -49,3 +77,20 @@ def test_pack_patterns() -> None:
     # p1 size 10x10, effectively 12x12
     # p2 size 5x5, effectively 7x7
     # Both should fit in 20x20
+
+
+def test_pack_patterns_reject_names_match_original_patterns() -> None:
+    lib = Library()
+    for name, (lx, ly) in {
+            "p0": (10, 12),
+            "p1": (19, 14),
+            "p2": (13, 11),
+            }.items():
+        pat = Pattern()
+        pat.rect((1, 0), xmin=0, xmax=lx, ymin=0, ymax=ly)
+        lib[name] = pat
+
+    pat, rejects = pack_patterns(lib, ["p0", "p1", "p2"], [[0, 0, 20, 20]], spacing=(0, 0))
+
+    assert set(rejects) == {"p0", "p2"}
+    assert set(pat.refs) == {"p1"}