Added missing test file

source/FAST/Data/Tests/ImagePyramidTests.cpp

@@ -0,0 +1,47 @@
+#include <FAST/Testing.hpp>
+#include <FAST/Data/ImagePyramid.hpp>
+#include <FAST/Data/Image.hpp>
+#include <FAST/Importers/WholeSlideImageImporter.hpp>
+#include <FAST/Algorithms/ImageResizer/ImageResizer.hpp>
+
+using namespace fast;
+
+TEST_CASE("Convert image pyramid to JPEG XL compression", "[fast][ImagePyramid][JPEGXL]") {
+    auto importer = WholeSlideImageImporter::create(Config::getTestDataPath() + "/WSI/CMU-1.svs");
+    const int level = 2;
+    const int targetTileSize = 512;
+    auto imagePyramid = importer->runAndGetOutputData<ImagePyramid>();
+    int tilesX = std::ceil(imagePyramid->getLevelWidth(level) / targetTileSize);
+    int tilesY = std::ceil(imagePyramid->getLevelHeight(level) / targetTileSize);
+
+    auto newImagePyramid = ImagePyramid::create(tilesX*targetTileSize, tilesY*targetTileSize, 3, targetTileSize, targetTileSize, ImageCompression::JPEGXL);
+
+    auto accessRead = imagePyramid->getAccess(ACCESS_READ);
+    auto accessWrite = newImagePyramid->getAccess(ACCESS_READ_WRITE);
+
+    int counter = 0;
+    for(int newLevel = 0; newLevel < newImagePyramid->getNrOfLevels(); ++newLevel) {
+        tilesX = std::ceil(newImagePyramid->getLevelWidth(newLevel) / targetTileSize);
+        tilesY = std::ceil(newImagePyramid->getLevelHeight(newLevel) / targetTileSize);
+        int totalTiles = tilesX*tilesY;
+        for(int tileX = 0; tileX < tilesX; ++tileX) {
+            for(int tileY = 0; tileY < tilesY; ++tileY) {
+                try {
+                    auto x = tileX*targetTileSize;
+                    auto y = tileY*targetTileSize;
+                    int pow = (int)std::pow(2, newLevel);
+                    auto patch = accessRead->getPatchAsImage(level, x*pow, y*pow, targetTileSize*pow, targetTileSize*pow);
+                    if(newLevel != 0)
+                        patch = ImageResizer::create(targetTileSize, targetTileSize)->connect(patch)->runAndGetOutputData<Image>();
+
+                    accessWrite->setPatch(newLevel, x, y, patch, false);
+                } catch(Exception &e) {
+                    continue;
+                }
+                ++counter;
+                std::cout << "Progress: " << counter << " of " << totalTiles << std::endl;
+
+            }
+        }
+    }
+}

source/FAST/Importers/WholeSlideImageImporter.cpp

@@ -122,6 +122,7 @@ void WholeSlideImageImporter::execute() {
             readWithTIFF(m_filename);
         } catch(Exception &e) {
             // Failed to open with FAST and TIFF, try with OpenSlide instead
+            reportInfo() << "Failed to open TIFF with FAST, trying OpenSlide instead. Error message: " << e.what() << reportEnd();
             readWithOpenSlide(m_filename);
         }
     } else {