AnyImageConverter: BasisImageConverter now has multi-level export also.

src/MagnumPlugins/AnyImageConverter/AnyImageConverter.cpp

@@ -223,7 +223,9 @@ bool AnyImageConverter::doConvertToFile(const Containers::ArrayView<const ImageV
 
     /* Detect the plugin from extension */
     Containers::StringView plugin;
-    if(normalized.hasSuffix(".exr"_s))
+    if(normalized.hasSuffix(".basis"_s))
+        plugin = "BasisImageConverter"_s;
+    else if(normalized.hasSuffix(".exr"_s))
         plugin = "OpenExrImageConverter"_s;
     else if(normalized.hasSuffix(".ktx2"_s))
         plugin = "KtxImageConverter"_s;

src/MagnumPlugins/AnyImageConverter/Test/AnyImageConverterTest.cpp

@@ -167,6 +167,7 @@ constexpr struct {
     const char* filename;
     const char* plugin;
 } DetectLevels2DData[]{
+    {"Basis Universal", "file.basis", "BasisImageConverter"},
     {"EXR", "file.exr", "OpenExrImageConverter"},
     {"KTX2", "file.ktx2", "KtxImageConverter"},
     /* Have at least one test case with uppercase */