Merge branch 'master' of https://github.com/prusa3d/PrusaSlicer into et_labels

src/libslic3r/CMakeLists.txt

@@ -233,20 +233,30 @@ cmake_policy(SET CMP0011 NEW)
 find_package(CGAL REQUIRED)
 cmake_policy(POP)
 
-set(_cgal_defines "")
+add_library(libslic3r_cgal STATIC MeshBoolean.cpp MeshBoolean.hpp)
-if (MSVC AND "${CMAKE_SIZEOF_VOID_P}" STREQUAL "4") # 32 bit MSVC workaround
+target_include_directories(libslic3r_cgal PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
-    set(_cgal_defines CGAL_DO_NOT_USE_MPZF)
-endif ()
 
-add_library(libslic3r_cgal OBJECT MeshBoolean.cpp MeshBoolean.hpp)
+# Reset compile options of libslic3r_cgal. Despite it being linked privately, CGAL options
-target_include_directories(libslic3r_cgal PRIVATE
+# (-frounding-math) still propagate to dependent libs which is not desired.
-    ${CMAKE_CURRENT_BINARY_DIR}
+get_target_property(_cgal_tgt CGAL::CGAL ALIASED_TARGET)
-    $<TARGET_PROPERTY:libigl,INTERFACE_INCLUDE_DIRECTORIES>
+if (NOT TARGET ${_cgal_tgt})
-    $<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_INCLUDE_DIRECTORIES>)
+    set (_cgal_tgt CGAL::CGAL)
-target_compile_definitions(libslic3r_cgal PRIVATE ${_cgal_defines}
+endif ()
-    $<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_COMPILE_DEFINITIONS>)
+get_target_property(_opts ${_cgal_tgt} INTERFACE_COMPILE_OPTIONS)
-target_compile_options(libslic3r_cgal PRIVATE 
+if (_opts)
-    $<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_COMPILE_OPTIONS>)
+    set(_opts_bad "${_opts}")
+    set(_opts_good "${_opts}")
+    list(FILTER _opts_bad INCLUDE REGEX frounding-math)
+    list(FILTER _opts_good EXCLUDE REGEX frounding-math)
+    set_target_properties(${_cgal_tgt} PROPERTIES INTERFACE_COMPILE_OPTIONS "${_opts_good}")
+    target_compile_options(libslic3r_cgal PRIVATE "${_opts_bad}")
+endif()
+
+target_link_libraries(libslic3r_cgal PRIVATE ${_cgal_tgt} libigl)
+
+if (MSVC AND "${CMAKE_SIZEOF_VOID_P}" STREQUAL "4") # 32 bit MSVC workaround
+    target_compile_definitions(libslic3r_cgal PRIVATE CGAL_DO_NOT_USE_MPZF)
+endif ()
 
 encoding_check(libslic3r)
 
@@ -268,7 +278,7 @@ target_link_libraries(libslic3r
     qhull
     semver
     TBB::tbb
-    $<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_LINK_LIBRARIES>
+    libslic3r_cgal
     ${CMAKE_DL_LIBS}
     )
 
@@ -287,5 +297,3 @@ endif()
 if (SLIC3R_PCH AND NOT SLIC3R_SYNTAXONLY)
     add_precompiled_header(libslic3r pchheader.hpp FORCEINCLUDE)
 endif ()
-
-target_sources(libslic3r PRIVATE $<TARGET_OBJECTS:libslic3r_cgal>)

src/libslic3r/MeshBoolean.cpp

@@ -111,7 +111,7 @@ static TriangleMesh cgal_to_triangle_mesh(const _CGALMesh &cgalmesh)
         auto    vtc = cgalmesh.vertices_around_face(cgalmesh.halfedge(face));
         int     i   = 0;
         Vec3crd trface;
-        for (auto v : vtc) trface(i++) = int(v.idx());
+        for (auto v : vtc) trface(i++) = static_cast<unsigned>(v);
         facets.emplace_back(trface);
     }
     

src/slic3r/GUI/BitmapCache.cpp

@@ -49,12 +49,20 @@ static wxBitmap wxImage_to_wxBitmap_with_alpha(wxImage &&image, float scale = 1.
 #endif
 }
 
-wxBitmap* BitmapCache::insert(const std::string &bitmap_key, size_t width, size_t height)
+wxBitmap* BitmapCache::insert(const std::string &bitmap_key, size_t width, size_t height, float scale/* = 1.0f*/)
 {
     wxBitmap *bitmap = nullptr;
     auto      it     = m_map.find(bitmap_key);
     if (it == m_map.end()) {
         bitmap = new wxBitmap(width, height);
+#ifdef __APPLE__
+        // Contrary to intuition, the `scale` argument isn't "please scale this to such and such"
+        // but rather "the wxImage is sized for backing scale such and such".
+        // So, We need to let the Mac OS wxBitmap implementation
+        // know that the image may already be scaled appropriately for Retina,
+        // and thereby that it's not supposed to upscale it.
+        bitmap->CreateScaled(width, height, -1, scale);
+#endif
         m_map[bitmap_key] = bitmap;
     } else {
         bitmap = it->second;
@@ -95,7 +103,7 @@ wxBitmap* BitmapCache::insert(const std::string &bitmap_key, const wxBitmap &bmp
     return this->insert(bitmap_key, bmps, bmps + 3);
 }
 
-wxBitmap* BitmapCache::insert(const std::string &bitmap_key, const wxBitmap *begin, const wxBitmap *end)
+wxBitmap* BitmapCache::insert(const std::string &bitmap_key, const wxBitmap *begin, const wxBitmap *end, float scale/* = 1.0f*/)
 {
     size_t width  = 0;
     size_t height = 0;
@@ -158,7 +166,13 @@ wxBitmap* BitmapCache::insert(const std::string &bitmap_key, const wxBitmap *beg
 
 #else
 
-    wxBitmap *bitmap = this->insert(bitmap_key, width, height);
+#ifdef __APPLE__
+    // Note, for this moment width and height are scaled, so divide them by scale to avoid one more multiplication inside CreateScaled()
+    width  *= 1.0 / scale;
+    height *= 1.0 / scale;
+#endif
+
+    wxBitmap *bitmap = this->insert(bitmap_key, width, height, scale);
     wxMemoryDC memDC;
     memDC.SelectObject(*bitmap);
     memDC.SetBackground(*wxTRANSPARENT_BRUSH);
@@ -167,7 +181,8 @@ wxBitmap* BitmapCache::insert(const std::string &bitmap_key, const wxBitmap *beg
     for (const wxBitmap *bmp = begin; bmp != end; ++ bmp) {
         if (bmp->GetWidth() > 0)
             memDC.DrawBitmap(*bmp, x, 0, true);
-        x += bmp->GetWidth();
+        // we should "move" with step equal to non-scaled width
+        x += bmp->GetWidth()/scale;
     }
     memDC.SelectObject(wxNullBitmap);
     return bitmap;

src/slic3r/GUI/BitmapCache.hpp

@@ -23,12 +23,12 @@ public:
 	wxBitmap* 		find(const std::string &name) 		{ auto it = m_map.find(name); return (it == m_map.end()) ? nullptr : it->second; }
 	const wxBitmap* find(const std::string &name) const { return const_cast<BitmapCache*>(this)->find(name); }
 
-	wxBitmap*       insert(const std::string &name, size_t width, size_t height);
+	wxBitmap*       insert(const std::string &name, size_t width, size_t height, float scale = 1.0f);
 	wxBitmap* 		insert(const std::string &name, const wxBitmap &bmp);
 	wxBitmap* 		insert(const std::string &name, const wxBitmap &bmp, const wxBitmap &bmp2);
 	wxBitmap* 		insert(const std::string &name, const wxBitmap &bmp, const wxBitmap &bmp2, const wxBitmap &bmp3);
-	wxBitmap* 		insert(const std::string &name, const std::vector<wxBitmap> &bmps) { return this->insert(name, &bmps.front(), &bmps.front() + bmps.size()); }
+	wxBitmap* 		insert(const std::string &name, const std::vector<wxBitmap> &bmps, float scale = 1.0f) { return this->insert(name, &bmps.front(), &bmps.front() + bmps.size(), scale); }
-	wxBitmap* 		insert(const std::string &name, const wxBitmap *begin, const wxBitmap *end);
+	wxBitmap* 		insert(const std::string &name, const wxBitmap *begin, const wxBitmap *end, float scale = 1.0f);
 	wxBitmap* 		insert_raw_rgba(const std::string &bitmap_key, unsigned width, unsigned height, const unsigned char *raw_data, float scale = 1.0f, const bool grayscale = false);
 
 	// Load png from resources/icons. bitmap_key is given without the .png suffix. Bitmap will be rescaled to provided height/width if nonzero.

src/slic3r/GUI/Camera.cpp

@@ -240,17 +240,27 @@ void Camera::apply_view_matrix() const
 
 void Camera::apply_projection(const BoundingBoxf3& box, double near_z, double far_z) const
 {
+#if !ENABLE_6DOF_CAMERA
     set_distance(DefaultDistance);
+#endif // !ENABLE_6DOF_CAMERA
 
     double w = 0.0;
     double h = 0.0;
 
+#if ENABLE_6DOF_CAMERA
+    double old_distance = m_distance;
+    m_frustrum_zs = calc_tight_frustrum_zs_around(box);
+    if (m_distance != old_distance)
+        // the camera has been moved re-apply view matrix
+        apply_view_matrix();
+#else
     while (true)
     {
         m_frustrum_zs = calc_tight_frustrum_zs_around(box);
+#endif // !ENABLE_6DOF_CAMERA
 
         if (near_z > 0.0)
-            m_frustrum_zs.first = std::min(m_frustrum_zs.first, near_z);
+            m_frustrum_zs.first = std::max(std::min(m_frustrum_zs.first, near_z), FrustrumMinNearZ);
 
         if (far_z > 0.0)
             m_frustrum_zs.second = std::max(m_frustrum_zs.second, far_z);
@@ -281,6 +291,7 @@ void Camera::apply_projection(const BoundingBoxf3& box, double near_z, double fa
         }
         }
 
+#if !ENABLE_6DOF_CAMERA
         if (m_type == Perspective)
         {
             double fov_deg = Geometry::rad2deg(2.0 * std::atan(h / m_frustrum_zs.first));
@@ -300,6 +311,7 @@ void Camera::apply_projection(const BoundingBoxf3& box, double near_z, double fa
         else
             break;
     }
+#endif // !ENABLE_6DOF_CAMERA
 
     glsafe(::glMatrixMode(GL_PROJECTION));
     glsafe(::glLoadIdentity());
@@ -324,14 +336,22 @@ void Camera::apply_projection(const BoundingBoxf3& box, double near_z, double fa
 }
 
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+void Camera::zoom_to_box(const BoundingBoxf3& box, double margin_factor)
+#else
 void Camera::zoom_to_box(const BoundingBoxf3& box, int canvas_w, int canvas_h, double margin_factor)
+#endif // ENABLE_6DOF_CAMERA
 #else
 void Camera::zoom_to_box(const BoundingBoxf3& box, int canvas_w, int canvas_h)
 #endif // ENABLE_THUMBNAIL_GENERATOR
 {
     // Calculate the zoom factor needed to adjust the view around the given box.
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+    double zoom = calc_zoom_to_bounding_box_factor(box, margin_factor);
+#else
     double zoom = calc_zoom_to_bounding_box_factor(box, canvas_w, canvas_h, margin_factor);
+#endif // ENABLE_6DOF_CAMERA
 #else
     double zoom = calc_zoom_to_bounding_box_factor(box, canvas_w, canvas_h);
 #endif // ENABLE_THUMBNAIL_GENERATOR
@@ -348,10 +368,18 @@ void Camera::zoom_to_box(const BoundingBoxf3& box, int canvas_w, int canvas_h)
 }
 
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+void Camera::zoom_to_volumes(const GLVolumePtrs& volumes, double margin_factor)
+#else
 void Camera::zoom_to_volumes(const GLVolumePtrs& volumes, int canvas_w, int canvas_h, double margin_factor)
+#endif // ENABLE_6DOF_CAMERA
 {
     Vec3d center;
+#if ENABLE_6DOF_CAMERA
+    double zoom = calc_zoom_to_volumes_factor(volumes, center, margin_factor);
+#else
     double zoom = calc_zoom_to_volumes_factor(volumes, canvas_w, canvas_h, center, margin_factor);
+#endif // ENABLE_6DOF_CAMERA
     if (zoom > 0.0)
     {
         m_zoom = zoom;
@@ -389,6 +417,7 @@ void Camera::debug_render() const
     float deltaZ = farZ - nearZ;
     float zoom = (float)m_zoom;
     float fov = (float)get_fov();
+    std::array<int, 4>viewport = get_viewport();
     float gui_scale = (float)get_gui_scale();
 
     ImGui::InputText("Type", type.data(), type.length(), ImGuiInputTextFlags_ReadOnly);
@@ -408,6 +437,8 @@ void Camera::debug_render() const
     ImGui::InputFloat("Zoom", &zoom, 0.0f, 0.0f, "%.6f", ImGuiInputTextFlags_ReadOnly);
     ImGui::InputFloat("Fov", &fov, 0.0f, 0.0f, "%.6f", ImGuiInputTextFlags_ReadOnly);
     ImGui::Separator();
+    ImGui::InputInt4("Viewport", viewport.data(), ImGuiInputTextFlags_ReadOnly);
+    ImGui::Separator();
     ImGui::InputFloat("GUI scale", &gui_scale, 0.0f, 0.0f, "%.6f", ImGuiInputTextFlags_ReadOnly);
     imgui.end();
 }
@@ -427,10 +458,31 @@ void Camera::translate_world(const Vec3d& displacement)
 
 void Camera::rotate_on_sphere(double delta_azimut_rad, double delta_zenit_rad)
 {
+    // FIXME -> The following is a HACK !!!
+    // When the value of the zenit rotation is large enough, the following call to rotate() shows
+    // numerical instability introducing some scaling into m_view_matrix (verified by checking
+    // that the camera space unit vectors are no more unit).
+    // See also https://dev.prusa3d.com/browse/SPE-1082
+    // We split the zenit rotation into a set of smaller rotations which are then applied.
+    static const double MAX_ALLOWED = Geometry::deg2rad(0.1);
+    unsigned int zenit_steps_count = 1 + (unsigned int)(std::abs(delta_zenit_rad) / MAX_ALLOWED);
+    double zenit_step = delta_zenit_rad / (double)zenit_steps_count;
+
     Vec3d target = m_target;
     translate_world(-target);
-    m_view_matrix.rotate(Eigen::AngleAxisd(delta_zenit_rad, get_dir_right()));
+
+    if (zenit_step != 0.0)
+    {
+        Vec3d right = get_dir_right();
+        for (unsigned int i = 0; i < zenit_steps_count; ++i)
+        {
+            m_view_matrix.rotate(Eigen::AngleAxisd(zenit_step, right));
+        }
+    }
+
+    if (delta_azimut_rad != 0.0)
         m_view_matrix.rotate(Eigen::AngleAxisd(delta_azimut_rad, Vec3d::UnitZ()));
+
     translate_world(target);
 }
 
@@ -453,7 +505,11 @@ void Camera::rotate_local_around_pivot(const Vec3d& rotation_rad, const Vec3d& p
 
 double Camera::min_zoom() const
 {
+#if ENABLE_6DOF_CAMERA
+    return 0.7 * calc_zoom_to_bounding_box_factor(m_scene_box);
+#else
     return 0.7 * calc_zoom_to_bounding_box_factor(m_scene_box, (int)m_viewport[2], (int)m_viewport[3]);
+#endif // ENABLE_6DOF_CAMERA
 }
 #endif // ENABLE_6DOF_CAMERA
 
@@ -462,8 +518,10 @@ std::pair<double, double> Camera::calc_tight_frustrum_zs_around(const BoundingBo
     std::pair<double, double> ret;
     auto& [near_z, far_z] = ret;
 
+#if !ENABLE_6DOF_CAMERA
     while (true)
     {
+#endif // !ENABLE_6DOF_CAMERA
         // box in eye space
         BoundingBoxf3 eye_box = box.transformed(m_view_matrix);
         near_z = -eye_box.max(2);
@@ -482,18 +540,39 @@ std::pair<double, double> Camera::calc_tight_frustrum_zs_around(const BoundingBo
             far_z = mid_z + half_size;
         }
 
+#if ENABLE_6DOF_CAMERA
+        if (near_z < FrustrumMinNearZ)
+        {
+            float delta = FrustrumMinNearZ - near_z;
+            set_distance(m_distance + delta);
+            near_z += delta;
+            far_z += delta;
+        }
+        else if ((near_z > 2.0 * FrustrumMinNearZ) && (m_distance > DefaultDistance))
+        {
+            float delta = m_distance - DefaultDistance;
+            set_distance(DefaultDistance);
+            near_z -= delta;
+            far_z -= delta;
+        }
+#else
         if (near_z >= FrustrumMinNearZ)
             break;
 
-        // ensure min Near Z
+        // ensure min near z
         set_distance(m_distance + FrustrumMinNearZ - near_z);
     }
+#endif // ENABLE_6DOF_CAMERA
 
     return ret;
 }
 
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+double Camera::calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, double margin_factor) const
+#else
 double Camera::calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, int canvas_w, int canvas_h, double margin_factor) const
+#endif // ENABLE_6DOF_CAMERA
 #else
 double Camera::calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, int canvas_w, int canvas_h) const
 #endif // ENABLE_THUMBNAIL_GENERATOR
@@ -505,8 +584,10 @@ double Camera::calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, int ca
     // project the box vertices on a plane perpendicular to the camera forward axis
     // then calculates the vertices coordinate on this plane along the camera xy axes
 
+#if !ENABLE_6DOF_CAMERA
     // ensure that the view matrix is updated
     apply_view_matrix();
+#endif // !ENABLE_6DOF_CAMERA
 
     Vec3d right = get_dir_right();
     Vec3d up = get_dir_up();
@@ -563,11 +644,19 @@ double Camera::calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, int ca
     dx *= margin_factor;
     dy *= margin_factor;
 
+#if ENABLE_6DOF_CAMERA
+    return std::min((double)m_viewport[2] / dx, (double)m_viewport[3] / dy);
+#else
     return std::min((double)canvas_w / dx, (double)canvas_h / dy);
+#endif // ENABLE_6DOF_CAMERA
 }
 
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+double Camera::calc_zoom_to_volumes_factor(const GLVolumePtrs& volumes, Vec3d& center, double margin_factor) const
+#else
 double Camera::calc_zoom_to_volumes_factor(const GLVolumePtrs& volumes, int canvas_w, int canvas_h, Vec3d& center, double margin_factor) const
+#endif // ENABLE_6DOF_CAMERA
 {
     if (volumes.empty())
         return -1.0;
@@ -575,8 +664,10 @@ double Camera::calc_zoom_to_volumes_factor(const GLVolumePtrs& volumes, int canv
     // project the volumes vertices on a plane perpendicular to the camera forward axis
     // then calculates the vertices coordinate on this plane along the camera xy axes
 
+#if !ENABLE_6DOF_CAMERA
     // ensure that the view matrix is updated
     apply_view_matrix();
+#endif // !ENABLE_6DOF_CAMERA
 
     Vec3d right = get_dir_right();
     Vec3d up = get_dir_up();
@@ -628,14 +719,26 @@ double Camera::calc_zoom_to_volumes_factor(const GLVolumePtrs& volumes, int canv
     if ((dx <= 0.0) || (dy <= 0.0))
         return -1.0f;
 
+#if ENABLE_6DOF_CAMERA
+    return std::min((double)m_viewport[2] / dx, (double)m_viewport[3] / dy);
+#else
     return std::min((double)canvas_w / dx, (double)canvas_h / dy);
+#endif // ENABLE_6DOF_CAMERA
 }
 #endif // ENABLE_THUMBNAIL_GENERATOR
 
 void Camera::set_distance(double distance) const
 {
+#if ENABLE_6DOF_CAMERA
+    if (m_distance != distance)
+    {
+        m_view_matrix.translate((distance - m_distance) * get_dir_forward());
+        m_distance = distance;
+    }
+#else
     m_distance = distance;
     apply_view_matrix();
+#endif // ENABLE_6DOF_CAMERA
 }
 
 #if ENABLE_6DOF_CAMERA

src/slic3r/GUI/Camera.hpp

@@ -48,11 +48,7 @@ private:
     mutable double m_gui_scale;
 
     mutable std::array<int, 4> m_viewport;
-#if ENABLE_6DOF_CAMERA
-    Transform3d m_view_matrix;
-#else
     mutable Transform3d m_view_matrix;
-#endif // ENABLE_6DOF_CAMERA
     mutable Transform3d m_projection_matrix;
     mutable std::pair<double, double> m_frustrum_zs;
 
@@ -71,7 +67,11 @@ public:
     const Vec3d& get_target() const { return m_target; }
     void set_target(const Vec3d& target);
 
+#if ENABLE_6DOF_CAMERA
+    double get_distance() const { return (get_position() - m_target).norm(); }
+#else
     double get_distance() const { return m_distance; }
+#endif // ENABLE_6DOF_CAMERA
     double get_gui_scale() const { return m_gui_scale; }
 
 #if !ENABLE_6DOF_CAMERA
@@ -115,8 +115,13 @@ public:
     void apply_projection(const BoundingBoxf3& box, double near_z = -1.0, double far_z = -1.0) const;
 
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+    void zoom_to_box(const BoundingBoxf3& box, double margin_factor = DefaultZoomToBoxMarginFactor);
+    void zoom_to_volumes(const GLVolumePtrs& volumes, double margin_factor = DefaultZoomToVolumesMarginFactor);
+#else
     void zoom_to_box(const BoundingBoxf3& box, int canvas_w, int canvas_h, double margin_factor = DefaultZoomToBoxMarginFactor);
     void zoom_to_volumes(const GLVolumePtrs& volumes, int canvas_w, int canvas_h, double margin_factor = DefaultZoomToVolumesMarginFactor);
+#endif // ENABLE_6DOF_CAMERA
 #else
     void zoom_to_box(const BoundingBoxf3& box, int canvas_w, int canvas_h);
 #endif // ENABLE_THUMBNAIL_GENERATOR
@@ -151,8 +156,13 @@ private:
     // the camera MUST be outside of the bounding box in eye coordinate of the given box
     std::pair<double, double> calc_tight_frustrum_zs_around(const BoundingBoxf3& box) const;
 #if ENABLE_THUMBNAIL_GENERATOR
+#if ENABLE_6DOF_CAMERA
+    double calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, double margin_factor = DefaultZoomToBoxMarginFactor) const;
+    double calc_zoom_to_volumes_factor(const GLVolumePtrs& volumes, Vec3d& center, double margin_factor = DefaultZoomToVolumesMarginFactor) const;
+#else
     double calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, int canvas_w, int canvas_h, double margin_factor = DefaultZoomToBoxMarginFactor) const;
     double calc_zoom_to_volumes_factor(const GLVolumePtrs& volumes, int canvas_w, int canvas_h, Vec3d& center, double margin_factor = DefaultZoomToVolumesMarginFactor) const;
+#endif // ENABLE_6DOF_CAMERA
 #else
     double calc_zoom_to_bounding_box_factor(const BoundingBoxf3& box, int canvas_w, int canvas_h) const;
 #endif // ENABLE_THUMBNAIL_GENERATOR

src/slic3r/GUI/GLCanvas3D.cpp

@@ -1854,11 +1854,16 @@ void GLCanvas3D::render()
     }
 
     const Size& cnv_size = get_canvas_size();
+#if ENABLE_6DOF_CAMERA
+    m_camera.apply_viewport(0, 0, (unsigned int)cnv_size.get_width(), (unsigned int)cnv_size.get_height());
+#endif // ENABLE_6DOF_CAMERA
 
     if (m_camera.requires_zoom_to_bed)
     {
         zoom_to_bed();
+#if !ENABLE_6DOF_CAMERA
         _resize((unsigned int)cnv_size.get_width(), (unsigned int)cnv_size.get_height());
+#endif // !ENABLE_6DOF_CAMERA
         m_camera.requires_zoom_to_bed = false;
     }
 
@@ -3962,8 +3967,13 @@ void GLCanvas3D::_render_thumbnail_internal(ThumbnailData& thumbnail_data, bool
 #if ENABLE_6DOF_CAMERA
     camera.set_scene_box(scene_bounding_box());
 #endif // ENABLE_6DOF_CAMERA
+#if ENABLE_6DOF_CAMERA
+    camera.apply_viewport(0, 0, thumbnail_data.width, thumbnail_data.height);
+    camera.zoom_to_volumes(visible_volumes);
+#else
     camera.zoom_to_volumes(visible_volumes, thumbnail_data.width, thumbnail_data.height);
     camera.apply_viewport(0, 0, thumbnail_data.width, thumbnail_data.height);
+#endif // ENABLE_6DOF_CAMERA
     camera.apply_view_matrix();
 
     double near_z = -1.0;
@@ -4554,8 +4564,10 @@ void GLCanvas3D::_resize(unsigned int w, unsigned int h)
     // ensures that this canvas is current
     _set_current();
 
+#if !ENABLE_6DOF_CAMERA
     // updates camera
     m_camera.apply_viewport(0, 0, w, h);
+#endif // !ENABLE_6DOF_CAMERA
 }
 
 BoundingBoxf3 GLCanvas3D::_max_bounding_box(bool include_gizmos, bool include_bed_model) const
@@ -4579,8 +4591,12 @@ BoundingBoxf3 GLCanvas3D::_max_bounding_box(bool include_gizmos, bool include_be
 #if ENABLE_THUMBNAIL_GENERATOR
 void GLCanvas3D::_zoom_to_box(const BoundingBoxf3& box, double margin_factor)
 {
+#if ENABLE_6DOF_CAMERA
+    m_camera.zoom_to_box(box, margin_factor);
+#else
     const Size& cnv_size = get_canvas_size();
     m_camera.zoom_to_box(box, cnv_size.get_width(), cnv_size.get_height(), margin_factor);
+#endif // ENABLE_6DOF_CAMERA
     m_dirty = true;
 }
 #else

src/slic3r/GUI/wxExtensions.cpp

@@ -66,7 +66,7 @@ void enable_menu_item(wxUpdateUIEvent& evt, std::function<bool()> const cb_condi
     const auto it = msw_menuitem_bitmaps.find(item->GetId());
     if (it != msw_menuitem_bitmaps.end())
     {
-        const wxBitmap& item_icon = create_scaled_bitmap(win, it->second, 16, false, !enable);
+        const wxBitmap& item_icon = create_scaled_bitmap(win, it->second, 16, !enable);
         if (item_icon.IsOk())
             item->SetBitmap(item_icon);
     }
@@ -420,41 +420,25 @@ float get_svg_scale_factor(wxWindow *win)
     }
     return win != nullptr ? max_scaling_factor : 1.0f;
 #else
+    (void)(win);
     return 1.0f;
 #endif
 }
 
 // If an icon has horizontal orientation (width > height) call this function with is_horizontal = true
 wxBitmap create_scaled_bitmap(wxWindow *win, const std::string& bmp_name_in, 
-    const int px_cnt/* = 16*/, const bool is_horizontal /* = false*/, const bool grayscale/* = false*/)
+    const int px_cnt/* = 16*/, const bool grayscale/* = false*/)
 {
     static Slic3r::GUI::BitmapCache cache;
 
-#ifdef __APPLE__
+    const float scale_factor = get_svg_scale_factor(win);
-    // Note: win->GetContentScaleFactor() is not used anymore here because it tends to
-    // return bogus results quite often (such as 1.0 on Retina or even 0.0).
-    // We're using the max scaling factor across all screens because it's very likely to be good enough.
 
-    static float max_scaling_factor = NAN;
+    unsigned int width = 0;
-    if (std::isnan(max_scaling_factor)) {
+    unsigned int height = (unsigned int)(em_unit(win) * px_cnt * 0.1f + 0.5f);
-        max_scaling_factor = Slic3r::GUI::mac_max_scaling_factor();
-    }
-    const float scale_factor = win != nullptr ? max_scaling_factor : 1.0f;
-#else
-    (void)(win);
-    const float scale_factor = 1.0f;
-#endif
-
-    unsigned int height, width = height = 0;
-    unsigned int& scale_base = is_horizontal ? width : height;
-
-    scale_base = (unsigned int)(em_unit(win) * px_cnt * 0.1f + 0.5f);
 
     std::string bmp_name = bmp_name_in;
     boost::replace_last(bmp_name, ".png", "");
 
-//    std::string bmp_name = icon_name_respected_to_mode(bmp_name_in);
-
     // Try loading an SVG first, then PNG if SVG is not found:
     wxBitmap *bmp = cache.load_svg(bmp_name, width, height, scale_factor, grayscale, Slic3r::GUI::wxGetApp().dark_mode());
     if (bmp == nullptr) {
@@ -682,7 +666,7 @@ void ObjectDataViewModelNode::update_settings_digest_bitmaps()
         for (auto& cat : m_opt_categories)
             bmps.emplace_back(  categories_icon.find(cat) == categories_icon.end() ?
                                 wxNullBitmap : categories_icon.at(cat));
-        bmp = m_bitmap_cache->insert(scaled_bitmap_name, bmps);
+        bmp = m_bitmap_cache->insert(scaled_bitmap_name, bmps, get_svg_scale_factor(m_ctrl));
     }
 
     m_bmp = *bmp;
@@ -2470,18 +2454,17 @@ void MenuWithSeparators::SetSecondSeparator()
 // ----------------------------------------------------------------------------
 ScalableBitmap::ScalableBitmap( wxWindow *parent, 
                                 const std::string& icon_name/* = ""*/,
-                                const int px_cnt/* = 16*/, 
+                                const int px_cnt/* = 16*/):
-                                const bool is_horizontal/*  = false*/):
     m_parent(parent), m_icon_name(icon_name),
-    m_px_cnt(px_cnt), m_is_horizontal(is_horizontal)
+    m_px_cnt(px_cnt)
 {
-    m_bmp = create_scaled_bitmap(parent, icon_name, px_cnt, is_horizontal);
+    m_bmp = create_scaled_bitmap(parent, icon_name, px_cnt);
 }
 
 
 void ScalableBitmap::msw_rescale()
 {
-    m_bmp = create_scaled_bitmap(m_parent, m_icon_name, m_px_cnt, m_is_horizontal);
+    m_bmp = create_scaled_bitmap(m_parent, m_icon_name, m_px_cnt);
 }
 
 // ----------------------------------------------------------------------------
@@ -2522,8 +2505,7 @@ ScalableButton::ScalableButton( wxWindow *          parent,
                                 long                style /*= wxBU_EXACTFIT | wxNO_BORDER*/) :
     m_parent(parent),
     m_current_icon_name(bitmap.name()),
-    m_px_cnt(bitmap.px_cnt()),
+    m_px_cnt(bitmap.px_cnt())
-    m_is_horizontal(bitmap.is_horizontal())
 {
     Create(parent, id, label, wxDefaultPosition, wxDefaultSize, style);
 #ifdef __WXMSW__
@@ -2554,9 +2536,9 @@ int ScalableButton::GetBitmapHeight()
 
 void ScalableButton::msw_rescale()
 {
-    SetBitmap(create_scaled_bitmap(m_parent, m_current_icon_name, m_px_cnt, m_is_horizontal));
+    SetBitmap(create_scaled_bitmap(m_parent, m_current_icon_name, m_px_cnt));
     if (!m_disabled_icon_name.empty())
-        SetBitmapDisabled(create_scaled_bitmap(m_parent, m_disabled_icon_name, m_px_cnt, m_is_horizontal));
+        SetBitmapDisabled(create_scaled_bitmap(m_parent, m_disabled_icon_name, m_px_cnt));
 
     if (m_width > 0 || m_height>0)
     {

src/slic3r/GUI/wxExtensions.hpp

@@ -56,7 +56,7 @@ int     em_unit(wxWindow* win);
 float   get_svg_scale_factor(wxWindow* win);
 
 wxBitmap create_scaled_bitmap(wxWindow *win, const std::string& bmp_name,
-    const int px_cnt = 16, const bool is_horizontal = false, const bool grayscale = false);
+    const int px_cnt = 16, const bool grayscale = false);
 
 std::vector<wxBitmap*> get_extruder_color_icons(bool thin_icon = false);
 void apply_extruder_selector(wxBitmapComboBox** ctrl,
@@ -729,8 +729,7 @@ public:
     ScalableBitmap() {};
     ScalableBitmap( wxWindow *parent,
                     const std::string& icon_name = "",
-                    const int px_cnt = 16,
+                    const int px_cnt = 16);
-                    const bool is_horizontal = false);
 
     ~ScalableBitmap() {}
 
@@ -741,14 +740,12 @@ public:
     const std::string&  name() const{ return m_icon_name; }
 
     int                 px_cnt()const           {return m_px_cnt;}
-    bool                is_horizontal()const    {return m_is_horizontal;}
 
 private:
     wxWindow*       m_parent{ nullptr };
     wxBitmap        m_bmp = wxBitmap();
     std::string     m_icon_name = "";
     int             m_px_cnt {16};
-    bool            m_is_horizontal {false};
 };
 
 
@@ -832,7 +829,6 @@ private:
 
     // bitmap dimensions 
     int             m_px_cnt{ 16 };
-    bool            m_is_horizontal{ false };
 };