Use tight compression for SLA archives with svg

src/libslic3r/Format/SL1.cpp

@@ -503,13 +503,11 @@ static void write_thumbnail(Zipper &zipper, const ThumbnailData &data)
     }
 }
 
-void SL1Archive::export_print(const std::string     fname,
+void SL1Archive::export_print(Zipper               &zipper,
                               const SLAPrint       &print,
                               const ThumbnailsList &thumbnails,
                               const std::string    &prjname)
 {
-    Zipper zipper{fname};
-
     std::string project =
         prjname.empty() ?
             boost::filesystem::path(zipper.get_filename()).stem().string() :
@@ -549,4 +547,14 @@ void SL1Archive::export_print(const std::string     fname,
     }
 }
 
+void SL1Archive::export_print(const std::string     fname,
+                              const SLAPrint       &print,
+                              const ThumbnailsList &thumbnails,
+                              const std::string    &prjname)
+{
+    Zipper zipper{fname, Zipper::FAST_COMPRESSION};
+
+    export_print(zipper, print, thumbnails, prjname);
+}
+
 } // namespace Slic3r

src/libslic3r/Format/SL1.hpp

@@ -22,6 +22,11 @@ protected:
     SLAPrinterConfig & cfg() { return m_cfg; }
     const SLAPrinterConfig & cfg() const { return m_cfg; }
 
+    void export_print(Zipper &,
+                      const SLAPrint       &print,
+                      const ThumbnailsList &thumbnails,
+                      const std::string    &projectname);
+
 public:
 
     SL1Archive() = default;

src/libslic3r/Format/SL1_SVG.cpp

@@ -224,4 +224,14 @@ sla::RasterEncoder SL1_SVGArchive::get_encoder() const
     return nullptr;
 }
 
+void SL1_SVGArchive::export_print(const std::string     fname,
+                                  const SLAPrint       &print,
+                                  const ThumbnailsList &thumbnails,
+                                  const std::string    &projectname)
+{
+    Zipper zipper{fname, Zipper::TIGHT_COMPRESSION};
+
+    SL1Archive::export_print(zipper, print, thumbnails, projectname);
+}
+
 } // namespace Slic3r

src/libslic3r/Format/SL1_SVG.hpp

@@ -14,6 +14,11 @@ protected:
 
 public:
 
+    void export_print(const std::string     fname,
+                      const SLAPrint       &print,
+                      const ThumbnailsList &thumbnails,
+                      const std::string    &projectname = "") override;
+
     using SL1Archive::SL1Archive;
 };