svg: normalize pitch points

SoulMelody · Jan 22, 2025 · d654570 · d654570
1 parent d61fb84
commit d654570
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/libresvip/plugins/svg/coordinate_helper.py b/libresvip/plugins/svg/coordinate_helper.py
@@ -21,6 +21,8 @@ class CoordinateHelper:
     key_range_end: int = dataclasses.field(init=False)
 
     def calculate_range(self, track: SingingTrack) -> None:
+        if not len(track.edited_params.pitch.points):
+            track.edited_params.pitch.points.root = [Point.start_point(), Point.end_point()]
         self.position_range_start = min(
             track.note_list[0].start_pos, track.edited_params.pitch.points[1].x
         )

diff --git a/libresvip/plugins/svg/svg_generator.py b/libresvip/plugins/svg/svg_generator.py
@@ -33,7 +33,7 @@ def generate_project(self, project: Project) -> Drawing:
             )
         else:
             first_singing_track = project.track_list[self.options.track_index]
-        if first_singing_track is not None:
+        if isinstance(first_singing_track, SingingTrack):
             self.coordinate_helper.calculate_range(first_singing_track)
             if self.options.show_grid:
                 self.svg_factory.draw_grid(project.time_signature_list)