Bugfix incomplete panos (#123)

* add image indices to saved camera parameters

* add test for incomplete panos

* tidy

* update default sidebar width

Author: krupkat

tests/stitcher_pipeline_test.cc

@@ -199,6 +199,41 @@ TEST_CASE("Pano too large") {
           xpano::algorithm::stitcher::Status::kErrPanoTooLarge);
 }
 
+const std::vector<std::filesystem::path> kInputsIncomplete = {
+    "data/image05.jpg",  // pano 1
+    "data/image06.jpg",  // pano 2
+    "data/image07.jpg"   // pano 2
+};
+
+TEST_CASE("Incomplete pano") {
+  xpano::pipeline::StitcherPipeline<kReturnFuture> stitcher;
+
+  auto loading_task = stitcher.RunLoading(kInputsIncomplete, {}, {});
+  auto stitch_data = loading_task.future.get();
+  auto progress = loading_task.progress->Report();
+  CHECK(progress.tasks_done == progress.num_tasks);
+
+  CHECK(stitch_data.images.size() == 3);
+  REQUIRE(stitch_data.panos.size() == 1);
+  REQUIRE_THAT(stitch_data.panos[0].ids, Equals<int>({1, 2}));
+
+  // add an unrelated image to the pano
+  stitch_data.panos[0].ids = {0, 1, 2};
+
+  // stitch
+  auto stitching_task0 = stitcher.RunStitching(stitch_data, {.pano_id = 0});
+  auto stitch_result0 = stitching_task0.future.get();
+
+  // TODO(krupkat): fix, this is currently not equal
+  // progress = stitching_task0.progress->Report();
+  // CHECK(progress.tasks_done == progress.num_tasks);
+
+  REQUIRE(stitch_result0.pano.has_value());
+  REQUIRE(stitch_result0.cameras.has_value());
+  CHECK(stitch_result0.cameras->cameras.size() == 2);
+  CHECK_THAT(stitch_result0.cameras->component, Equals<int>({1, 2}));
+}
+
 TEST_CASE("Stitcher pipeline single pano matching") {
   xpano::pipeline::StitcherPipeline<kReturnFuture> stitcher;
   auto loading_task = stitcher.RunLoading(
@@ -657,4 +692,4 @@ TEST_CASE("Stitcher pipeline stack detection") {
   CHECK_THAT(result.panos[0].ids, Equals<int>({2, 3}));
 }
 
-// NOLINTEND(readability-function-cognitive-complexity)
+// NOLINTEND(readability-function-cognitive-complexity)

xpano/algorithm/algorithm.cc

@@ -272,10 +272,9 @@ StitchResult Stitch(const std::vector<cv::Mat>& images,
   stitcher::Status status;
 
   if (cameras &&
-      cameras->wave_correction_user == user_options.wave_correction &&
-      cameras->cameras.size() == images.size()) {
+      cameras->wave_correction_user == user_options.wave_correction) {
     stitcher->SetWaveCorrectKind(cameras->wave_correction_auto);
-    stitcher->SetTransform(images, cameras->cameras);
+    stitcher->SetTransform(images, cameras->cameras, cameras->component);
     status = stitcher->ComposePanorama(pano);
   } else {
     status = stitcher->Stitch(images, pano);
@@ -290,9 +289,9 @@ StitchResult Stitch(const std::vector<cv::Mat>& images,
     stitcher->ResultMask().copyTo(mask);
   }
 
-  auto result_cameras =
-      Cameras{stitcher->Cameras(), user_options.wave_correction,
-              stitcher->WaveCorrectKind(), stitcher->GetWarpHelper()};
+  auto result_cameras = Cameras{
+      stitcher->Cameras(), stitcher->Component(), user_options.wave_correction,
+      stitcher->WaveCorrectKind(), stitcher->GetWarpHelper()};
   return {status, pano, mask, std::move(result_cameras)};
 }
 

xpano/algorithm/algorithm.h

@@ -22,6 +22,7 @@ namespace xpano::algorithm {
 
 struct Cameras {
   std::vector<cv::detail::CameraParams> cameras;
+  std::vector<int> component;
   WaveCorrectionType wave_correction_user;           // set by user
   cv::detail::WaveCorrectKind wave_correction_auto;  // computed by OpenCV
   stitcher::WarpHelper warp_helper;

xpano/constants.h

@@ -56,7 +56,7 @@ constexpr int kMaxPngCompression = 9;
 
 constexpr int kAboutBoxWidth = 70;
 constexpr int kAboutBoxHeight = 30;
-constexpr int kSidebarWidth = 27;
+constexpr int kSidebarWidth = 35;
 constexpr int kWideButtonWidth = 12;
 
 const std::string kOrgName = "krupkat";

xpano/gui/action.h

@@ -48,6 +48,7 @@ struct ShowPanoExtra {
   bool full_res = false;
   bool scroll_thumbnails = false;
   bool reset_crop = false;
+  bool reset_cameras = false;
 };
 
 using LoadFilesExtra = std::vector<std::filesystem::path>;

xpano/gui/pano_gui.cc

@@ -123,7 +123,7 @@ Action ModifyPano(int clicked_image, Selection* selection,
     return {.type = ActionType::kShowPano,
             .target_id = selection->target_id,
             .delayed = true,
-            .extra = ShowPanoExtra{.reset_crop = true}};
+            .extra = ShowPanoExtra{.reset_crop = true, .reset_cameras = true}};
   }
   return {};
 }
@@ -454,18 +454,22 @@ Action PanoGui::PerformAction(const Action& action) {
       spdlog::info("Calculating pano {}", selection_.target_id);
       status_message_ = {};
       auto extra = ValueOrDefault<ShowPanoExtra>(action);
+      auto& pano = stitcher_data_->panos[selection_.target_id];
+      if (extra.reset_cameras) {
+        pano.cameras.reset();
+        pano.backup_cameras.reset();
+      }
+      if (extra.reset_crop) {
+        pano.crop.reset();
+      }
       stitcher_pipeline_.RunStitching(*stitcher_data_,
                                       {.pano_id = selection_.target_id,
                                        .full_res = extra.full_res,
                                        .stitch_algorithm = options_.stitch});
-      auto& pano = stitcher_data_->panos[selection_.target_id];
       thumbnail_pane_.Highlight(pano.ids);
       if (extra.scroll_thumbnails) {
         thumbnail_pane_.SetScrollX(pano.ids);
       }
-      if (extra.reset_crop) {
-        pano.crop.reset();
-      }
       break;
     }
     case ActionType::kModifyPano: {