Export document frame faces as PNGs

src/legacy_document_export_services.cpp

@@ -67,6 +67,25 @@ pp::foundation::Status prepare_legacy_document_export_snapshot(App& app, const c
         recorded_upload.value().command_count,
         recorded_upload.value().upload_command_count,
         recorded_upload.value().transition_command_count);
+
+    const auto face_pngs = pp::paint_renderer::export_document_frame_face_pngs(
+        pp::paint_renderer::DocumentFrameCompositeRequest {
+            .document = &snapshot.value().document,
+            .frame_index = snapshot.value().document.active_frame_index(),
+            .clear_color = {},
+        });
+    if (!face_pngs) {
+        LOG("%s document export face PNG export failed: %s", context, face_pngs.status().message);
+        return face_pngs.status();
+    }
+
+    LOG(
+        "%s document export face PNG export: faces=%zu bytes=%llu facePayloads=%zu compositedLayerFaces=%zu",
+        context,
+        face_pngs.value().face_count,
+        static_cast<unsigned long long>(face_pngs.value().encoded_bytes),
+        face_pngs.value().composite.face_payload_count,
+        face_pngs.value().composite.composited_layer_face_count);
     return pp::foundation::Status::success();
 }