- float level_lu = level_lufs + 23.0f;
- float range_low_lu = range_low_lufs + 23.0f;
- float range_high_lu = range_high_lufs + 23.0f;
- const int margin = 5;
- draw_vu_meter(painter, range_low_lu, range_high_lu, width(), height(), margin);
+ float level_lu = level_lufs - ref_level_lufs;
+ float range_low_lu = range_low_lufs - ref_level_lufs;
+ float range_high_lu = range_high_lufs - ref_level_lufs;
+ int range_low_pos = lrint(lufs_to_pos(range_low_lu, height()));
+ int range_high_pos = lrint(lufs_to_pos(range_high_lu, height()));
+
+ QRect top_off_rect(0, 0, width(), range_high_pos);
+ QRect on_rect(0, range_high_pos, width(), range_low_pos - range_high_pos);
+ QRect bottom_off_rect(0, range_low_pos, width(), height() - range_low_pos);
+
+ painter.drawPixmap(top_off_rect, off_pixmap, top_off_rect);
+ painter.drawPixmap(on_rect, on_pixmap, on_rect);
+ painter.drawPixmap(bottom_off_rect, off_pixmap, bottom_off_rect);