test library

src/coders/vector_fonts.cpp

@@ -0,0 +1,34 @@
+#include "vector_fonts.hpp"
+
+#include "io/io.hpp"
+
+#include <stdexcept>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+static FT_Library library;
+
+void vector_fonts::initialize() {
+    if (FT_Error error = FT_Init_FreeType(&library)) {
+        throw std::runtime_error(
+            "could not initialize freetype: " +
+            std::string(FT_Error_String(error))
+        );
+    }
+}
+
+static FT_Face load_ft_face(const io::path& path) {
+    auto bytes = io::read_bytes_buffer(path);
+
+    FT_Face face;
+
+    if (FT_Error error =
+            FT_New_Memory_Face(library, bytes.data(), bytes.size(), 0, &face)) {
+        throw std::runtime_error(
+            "could not load font '" + path.string() +
+            "': " + std::string(FT_Error_String(error))
+        );
+    }
+
+    return face;
+}