ENH:Bold font for preview title

Change-Id: I75c9b1ad0b1b7b07650b2038dbbc101b5a4fb4d7

src/slic3r/GUI/GCodeViewer.cpp

@@ -4160,10 +4160,10 @@ void GCodeViewer::render_legend(float &legend_height, int canvas_width, int canv
     auto append_headers = [&imgui](const std::array<std::string, 5>& texts, const std::array<float, 4>& offsets) {
         size_t i = 0;
         for (; i < offsets.size(); i++) {
-            imgui.text(texts[i]);
+            imgui.bold_text(texts[i]);
             ImGui::SameLine(offsets[i]);
         }
-        imgui.text(texts[i]);
+        imgui.bold_text(texts[i]);
         ImGui::Separator();
     };
 
@@ -4267,7 +4267,7 @@ void GCodeViewer::render_legend(float &legend_height, int canvas_width, int canv
     ImGui::PopStyleColor(3);
     ImGui::PopStyleVar(1);
     ImGui::SameLine();
-    ImGui::Text(_u8L("Color Scheme").c_str());
+    imgui.bold_text(_u8L("Color Scheme"));
     push_combo_style();
 
     ImGui::SameLine();

src/slic3r/GUI/ImGuiWrapper.cpp

@@ -1526,9 +1526,26 @@ void ImGuiWrapper::search_list(const ImVec2& size_, bool (*items_getter)(int, co
     //    check_box(_L("Search in English"), view_params.english);
 }
 
+void ImGuiWrapper::bold_text(const std::string& str)
+{
+    if (bold_font){
+        ImGui::PushFont(bold_font);
+        text(str);
+        ImGui::PopFont();
+    } else {
+        text(str);
+    }
+}
+
 void ImGuiWrapper::title(const std::string& str)
 {
-    text(str);
+    if (bold_font){
+        ImGui::PushFont(bold_font);
+        text(str);
+        ImGui::PopFont();
+    } else {
+        text(str);
+    }
     ImGui::Separator();
 }
 
@@ -1690,6 +1707,7 @@ void ImGuiWrapper::init_font(bool compress)
     //FIXME replace with io.Fonts->AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, m_font_size, nullptr, ranges.Data);
     //https://github.com/ocornut/imgui/issues/220
     ImFont* font = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/" + "HarmonyOS_Sans_SC_Regular.ttf").c_str(), m_font_size, nullptr, ranges.Data);
+
     if (font == nullptr) {
         font = io.Fonts->AddFontDefault();
         if (font == nullptr) {
@@ -1697,6 +1715,15 @@ void ImGuiWrapper::init_font(bool compress)
         }
     }
 
+    ImFontConfig cfg = ImFontConfig();
+    cfg.OversampleH  = 1;
+    bold_font        = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/" + "HarmonyOS_Sans_SC_Bold.ttf").c_str(), m_font_size, &cfg);
+
+    if (bold_font == nullptr) {
+        bold_font = io.Fonts->AddFontDefault();
+        if (bold_font == nullptr) { throw Slic3r::RuntimeError("ImGui: Could not load deafult font"); }
+    }
+
 #ifdef __APPLE__
     ImFontConfig config;
     config.MergeMode = true;

src/slic3r/GUI/ImGuiWrapper.hpp

@@ -147,7 +147,12 @@ public:
     bool combo(const wxString& label, const std::vector<std::string>& options, int& selection);   // Use -1 to not mark any option as selected
     bool undo_redo_list(const ImVec2& size, const bool is_undo, bool (*items_getter)(const bool, int, const char**), int& hovered, int& selected, int& mouse_wheel);
     void search_list(const ImVec2& size, bool (*items_getter)(int, const char** label, const char** tooltip), char* search_str,
-                     Search::OptionViewParameters& view_params, int& selected, bool& edited, int& mouse_wheel, bool is_localized);
+                     Search::OptionViewParameters &view_params,
+                     int &                         selected,
+                     bool &                        edited,
+                     int &                         mouse_wheel,
+                     bool                          is_localized);
+    void bold_text(const std::string &str);
     void title(const std::string& str);
 
     void disabled_begin(bool disabled);
@@ -204,6 +209,7 @@ private:
     static void clipboard_set(void* user_data, const char* text);
 
     LastSliderStatus m_last_slider_status;
+    ImFont* bold_font = nullptr;
 };
 
 class IMTexture