sfm/report_pdf.py

@@ -396,9 +396,27 @@ def _render_waveform_layout(fig, rd: ReportData) -> None:
     ax_stats = fig.add_subplot(gs[2]); ax_stats.axis("off")
     _draw_channel_stats_waveform(ax_stats, rd)
 
+    _draw_compliance_panel(fig, gs, rd)
     _draw_waveform_subplot(fig, gs[3], rd)
 
 
+def _draw_compliance_panel(fig, gs, rd: ReportData) -> None:
+    """Large square USBM RI8507 compliance chart in the upper-right, spanning the
+    mic (row 1) and stats (row 2) rows — matching Blastware's Event Report."""
+    bottoms, tops, _lefts, rights = gs.get_grid_positions(fig)
+    y0, y1 = bottoms[2], tops[1]          # bottom of stats row → top of mic row
+    x0, x1 = 0.64, rights[0]              # clear of the stats columns → page right margin
+    fig.text((x0 + x1) / 2, y1 + 0.004, "USBM RI8507", fontsize=9, weight="bold",
+             color="#333", ha="center", va="bottom")
+    if rd.channels and rd.sample_rate_sps:
+        from sfm.compliance import draw_compliance_chart
+        ax = fig.add_axes([x0, y0, x1 - x0, y1 - y0])
+        draw_compliance_chart(ax, rd.channels, rd.sample_rate_sps)
+    else:
+        fig.text((x0 + x1) / 2, (y0 + y1) / 2, "(no waveform data)", fontsize=8,
+                 color="#bbb", ha="center", va="center", style="italic")
+
+
 def _render_histogram_layout(fig, rd: ReportData) -> None:
     """Histogram layout: header / mic-only / per-channel stats / bar plot.
 
@@ -577,17 +595,8 @@ def _draw_mic_and_usbm(ax, rd: ReportData) -> None:
     for label, value in rows:
         _kv(ax, 0.0, y, label, value, label_w=0.18)
         y -= 0.15
-
-    # USBM RI8507 compliance chart — inset axes in the right half of this band.
-    ax.text(0.74, 1.00, "USBM RI8507", fontsize=9, weight="bold", color="#333",
-            ha="center", va="top", transform=ax.transAxes)
-    if rd.channels and rd.sample_rate_sps:
-        from sfm.compliance import draw_compliance_chart
-        inset = ax.inset_axes([0.52, 0.02, 0.46, 0.82])
-        draw_compliance_chart(inset, rd.channels, rd.sample_rate_sps)
-    else:
-        ax.text(0.74, 0.48, "(no waveform data)", fontsize=8, color="#bbb",
-                ha="center", va="center", transform=ax.transAxes, style="italic")
+    # The USBM compliance chart is drawn as its own large square panel spanning
+    # the mic + stats rows on the right — see _draw_compliance_panel().
 
 
 def _mic_rows(rd: ReportData) -> list[tuple[str, Optional[str]]]: