refactor(cairo): Use shared_ptr for font list

include/cairo/context.hpp

@@ -151,9 +151,9 @@ namespace cairo {
 
       // Sort the fontlist so that the
       // preferred font gets prioritized
-      auto& fns = m_fonts;
-      std::sort(fns.begin(), fns.end(), [&](const unique_ptr<font>& a, const unique_ptr<font>&) {
-        if (t.fontindex > 0 && std::distance(fns.begin(), std::find(fns.begin(), fns.end(), a)) == t.fontindex - 1) {
+      vector<shared_ptr<font>> fns(m_fonts.begin(), m_fonts.end());
+      std::sort(fns.begin(), fns.end(), [&](const shared_ptr<font>& a, const shared_ptr<font>&) {
+        if (t.font > 0 && std::distance(fns.begin(), std::find(fns.begin(), fns.end(), a)) == t.font - 1) {
           return -1;
         } else {
           return 0;
@@ -232,7 +232,7 @@ namespace cairo {
       return *this;
     }
 
-    context& operator<<(unique_ptr<font>&& f) {
+    context& operator<<(shared_ptr<font>&& f) {
       m_fonts.emplace_back(forward<decltype(f)>(f));
       return *this;
     }
@@ -315,7 +315,7 @@ namespace cairo {
    protected:
     cairo_t* m_c;
     const logger& m_log;
-    vector<unique_ptr<font>> m_fonts;
+    vector<shared_ptr<font>> m_fonts;
     std::deque<pair<double, double>> m_points;
   };
 }

include/cairo/font.hpp

@@ -263,7 +263,7 @@ namespace cairo {
     FcPatternPrint(match);
 #endif
 
-    return make_unique<font_fc>(cairo, match, offset);
+    return make_shared<font_fc>(cairo, match, offset);
   }
 }
 

include/cairo/types.hpp

@@ -58,7 +58,7 @@ namespace cairo {
   struct textblock {
     alignment align;
     string contents;
-    int fontindex;
+    int font;
     unsigned int bg;
     int bg_operator;
     rect bg_rect;

src/components/renderer.cpp

@@ -489,7 +489,7 @@ void renderer::draw_text(const string& contents) {
   cairo::textblock block{};
   block.align = m_align;
   block.contents = contents;
-  block.fontindex = m_font;
+  block.font = m_font;
   block.bg = 0;
   block.bg_rect = cairo::rect{0.0, 0.0, 0.0, 0.0};
   block.bg_operator = 0;