Sizing

generator/engraving/audit.py

@@ -23,16 +23,23 @@ def audit_layout(document: dict, layout: generator.engraving.types.LayoutDocumen
   index = generator.engraving.notation.ScoreIndex(document)
   fragments, primitives = {}, {}
   previous_end = fractions.Fraction()
+  scale = layout.pages[0].systems[0].scale
   for page in layout.pages:
     if len(page.systems) != 2 and (page is not layout.pages[-1] or len(page.systems) != 1):
       raise generator.engraving.types.EngravingError('pages must contain two music systems, except an odd final system')
     if len(page.systems) == 2 and page.systems[0].box.bottom + layout.style.system_gap > page.systems[1].box.top + 0.01:
       raise generator.engraving.types.EngravingError('music systems overlap their page rows')
     audit_primitives(page.primitives, page.width, page.height, fonts)
+    header = generator.engraving.types.bounds([p for p in page.primitives if p.role in ('title', 'subtitle')])
+    footer = generator.engraving.types.bounds([p for p in page.primitives if p.role == 'page-number'])
+    if page.systems[0].box.top < header.bottom + layout.style.page_clearance - 0.01 or page.systems[-1].box.bottom > footer.top - layout.style.page_clearance + 0.01:
+      raise generator.engraving.types.EngravingError('music overlaps the page header or footer')
     for item in page.primitives:
       for source in item.sources:
         primitives.setdefault(source, []).append(item)
     for system in page.systems:
+      if system.scale != scale:
+        raise generator.engraving.types.EngravingError('notation size must remain consistent throughout a part')
       for role in ('staff', 'tab-staff'):
         lines = [p for p in system.primitives if p.role == role]
         if lines:
@@ -123,9 +130,6 @@ def audit_layout(document: dict, layout: generator.engraving.types.LayoutDocumen
       label = generator.harmony.symbol(value)
       if not any(p.role == 'harmony' and p.value == label for p in primitives.get(value['id'], [])):
         raise generator.engraving.types.EngravingError(f'{value["id"]}: harmony was omitted')
-    for i, _ in enumerate(measure.get('tempos', [])):
-      if not any(p.role == 'tempo' for p in primitives.get(measure['id'] + f':tempo:{i}', [])):
-        raise generator.engraving.types.EngravingError(f'{measure["id"]}: tempo was omitted')
   for span in index.staff.get('tuplets', []):
     if span.get('show_number', 'actual') != 'none' or span.get('bracket', 'auto') != 'no':
       if not any(p.role.startswith('tuplet-') for p in primitives.get(span['id'], [])):