Mirror checkboxes added to the UI.

Everything seems to work fine.

src/libslic3r/PrintConfig.cpp

@@ -2259,15 +2259,17 @@ void PrintConfigDef::init_sla_params()
     def->set_default_value(new ConfigOptionInt(1440));
 
     def = this->add("display_mirror_x", coBool);
-    def->full_label = L("Display mirroring in X axis");
-    def->label = L("Mirror X");
-    def->tooltip = L("Enable mirroring of output images in the X axis");
+    def->full_label = L("Display horizontal mirroring");
+    def->label = L("Mirror horizontally");
+    def->tooltip = L("Enable horizontal mirroring of output images");
+    def->mode = comExpert;
     def->set_default_value(new ConfigOptionBool(true));
 
     def = this->add("display_mirror_y", coBool);
-    def->full_label = L("Display mirroring in Y axis");
-    def->label = L("Mirror Y");
-    def->tooltip = L("Enable mirroring of output images in the Y axis");
+    def->full_label = L("Display vertical mirroring");
+    def->label = L("Mirror vertically");
+    def->tooltip = L("Enable vertical mirroring of output images");
+    def->mode = comExpert;
     def->set_default_value(new ConfigOptionBool(false));
 
     def = this->add("display_orientation", coEnum);

src/libslic3r/SLA/SLARaster.cpp

@@ -58,6 +58,7 @@ private:
     
     std::function<double(double)> m_gammafn;
     std::array<bool, 2> m_mirror;
+    Format m_fmt = Format::PNG;
     
     inline void flipy(agg::path_storage& path) const {
         path.flip_y(0, m_resolution.height_px);
@@ -101,6 +102,7 @@ public:
         case Format::PNG: m_mirror = {false, true}; break;
         case Format::RAW: m_mirror = {false, false}; break;
         }
+        m_fmt = fmt;
     }
 
     template<class P> void draw(const P &poly) {
@@ -131,6 +133,8 @@ public:
     }
 
     inline TBuffer& buffer()  { return m_buf; }
+    
+    inline Format format() const { return m_fmt; }
 
     inline const Raster::Resolution resolution() { return m_resolution; }
    
@@ -258,6 +262,11 @@ void Raster::save(std::ostream& stream, Format fmt)
     }
 }
 
+void Raster::save(std::ostream &stream)
+{
+    save(stream, m_impl->format());
+}
+
 RawBytes Raster::save(Format fmt)
 {
     assert(m_impl);
@@ -300,6 +309,11 @@ RawBytes Raster::save(Format fmt)
     return {std::move(data)};
 }
 
+RawBytes Raster::save()
+{
+    return save(m_impl->format());
+}
+
 }
 }
 

src/libslic3r/SLA/SLARaster.hpp

@@ -100,8 +100,17 @@ public:
     ~Raster();
 
     /// Reallocated everything for the given resolution and pixel dimension.
-    void reset(const Resolution&, const PixelDim&, const std::array<bool, 2>& mirror, double gamma = 1.0);
-    void reset(const Resolution& r, const PixelDim& pd, Format o, double gamma = 1.0);
+    /// The third parameter is either the X, Y mirroring or a supported format 
+    /// for which the correct mirroring will be configured.
+    void reset(const Resolution&, 
+               const PixelDim&, 
+               const std::array<bool, 2>& mirror, 
+               double gamma = 1.0);
+    
+    void reset(const Resolution& r, 
+               const PixelDim& pd, 
+               Format o, 
+               double gamma = 1.0);
     
     /**
      * Release the allocated resources. Drawing in this state ends in
@@ -119,11 +128,17 @@ public:
     void draw(const ExPolygon& poly);
     void draw(const ClipperLib::Polygon& poly);
 
+    // Saving the raster: 
+    // It is possible to override the format given in the constructor but
+    // be aware that the mirroring will not be modified.
+    
     /// Save the raster on the specified stream.
-    void save(std::ostream& stream, Format = Format::PNG);
+    void save(std::ostream& stream, Format);
+    void save(std::ostream& stream);
 
     /// Save into a continuous byte stream which is returned.
-    RawBytes save(Format fmt = Format::PNG);
+    RawBytes save(Format fmt);
+    RawBytes save();
 };
 
 } // sla

src/libslic3r/SLAPrint.cpp

@@ -1461,6 +1461,8 @@ bool SLAPrint::invalidate_state_by_config_options(const std::vector<t_config_opt
         "display_height",
         "display_pixels_x",
         "display_pixels_y",
+        "display_mirror_x",
+        "display_mirror_y",
         "display_orientation"
     };
 

src/slic3r/GUI/Preset.cpp

@@ -509,6 +509,7 @@ const std::vector<std::string>& Preset::sla_printer_options()
             "printer_technology",
             "bed_shape", "max_print_height",
             "display_width", "display_height", "display_pixels_x", "display_pixels_y",
+            "display_mirror_x", "display_mirror_y",
             "display_orientation",
             "fast_tilt_time", "slow_tilt_time", "area_fill",
             "relative_correction",

src/slic3r/GUI/Tab.cpp

@@ -2056,6 +2056,10 @@ void TabPrinter::build_sla()
     line.append_option(optgroup->get_option("display_pixels_y"));
     optgroup->append_line(line);
     optgroup->append_single_option_line("display_orientation");
+    
+    // FIXME: This should be on one line in the UI
+    optgroup->append_single_option_line("display_mirror_x");
+    optgroup->append_single_option_line("display_mirror_y");
 
     optgroup = page->new_optgroup(_(L("Tilt")));
     line = { _(L("Tilt time")), "" };