Fix btt tft thumbnail regression (#3056)

fix btt tft thumbnail regression
SoftFever · Dec 10, 2023 · b218d81 · b218d81
1 parent 933aa30
commit b218d81
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/libslic3r/GCode/Thumbnails.hpp b/src/libslic3r/GCode/Thumbnails.hpp
@@ -44,7 +44,6 @@ inline void export_thumbnails_to_file(ThumbnailsGeneratorCallback &thumbnail_cb,
         short                         i              = 0;
         for (const ThumbnailData &data : thumbnails) {
             if (data.is_valid()) {
-                output("; THUMBNAIL_BLOCK_START\n");
                 auto compressed = compress_thumbnail(data, format);
                 if (compressed->data && compressed->size) {
                     if (format == GCodeThumbnailsFormat::BTT_TFT) {
@@ -54,6 +53,7 @@ inline void export_thumbnails_to_file(ThumbnailsGeneratorCallback &thumbnail_cb,
                         if (i == (thumbnails.size() - 1))
                             output("; bigtree thumbnail end\r\n\r\n");
                     } else {
+                        output("; THUMBNAIL_BLOCK_START\n");
                         std::string encoded;
                         encoded.resize(boost::beast::detail::base64::encoded_size(compressed->size));
                         encoded.resize(boost::beast::detail::base64::encode((void *) encoded.data(), (const void *) compressed->data,
@@ -71,10 +71,10 @@ inline void export_thumbnails_to_file(ThumbnailsGeneratorCallback &thumbnail_cb,
                             output((boost::format("; %s\n") % encoded).str().c_str());
 
                         output((boost::format("; %s end\n") % compressed->tag()).str().c_str());
+                        output("; THUMBNAIL_BLOCK_END\n\n");
                     }
                     throw_if_canceled();
                 }
-                output("; THUMBNAIL_BLOCK_END\n\n");
 
                 i++;
             }