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-rw-r--r--src/crepe/facade/FontFacade.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/crepe/facade/FontFacade.cpp b/src/crepe/facade/FontFacade.cpp
new file mode 100644
index 0000000..87f95ab
--- /dev/null
+++ b/src/crepe/facade/FontFacade.cpp
@@ -0,0 +1,43 @@
+#include <fontconfig/fontconfig.h>
+#include <functional>
+#include <memory>
+#include <stdexcept>
+#include <string>
+
+#include "FontFacade.h"
+
+using namespace std;
+using namespace crepe;
+
+FontFacade::FontFacade() {
+ if (!FcInit()) throw runtime_error("Failed to initialize Fontconfig.");
+}
+
+FontFacade::~FontFacade() { FcFini(); }
+
+Asset FontFacade::get_font_asset(const string & font_family) {
+ FcPattern * raw_pattern
+ = FcNameParse(reinterpret_cast<const FcChar8 *>(font_family.c_str()));
+ if (raw_pattern == NULL) throw runtime_error("Failed to create font pattern.");
+
+ unique_ptr<FcPattern, function<void(FcPattern *)>> pattern{
+ raw_pattern, [](FcPattern * p) { FcPatternDestroy(p); }};
+
+ FcConfig * config = FcConfigGetCurrent();
+ if (config == NULL) throw runtime_error("Failed to get current Fontconfig configuration.");
+
+ FcResult result;
+ FcPattern * raw_matched_pattern = FcFontMatch(config, pattern.get(), &result);
+ if (raw_matched_pattern == NULL) throw runtime_error("No matching font found.");
+
+ unique_ptr<FcPattern, function<void(FcPattern *)>> matched_pattern
+ = {raw_matched_pattern, [](FcPattern * p) { FcPatternDestroy(p); }};
+
+ FcChar8 * file_path = nullptr;
+ FcResult res = FcPatternGetString(matched_pattern.get(), FC_FILE, 0, &file_path);
+ if (res != FcResultMatch || file_path == NULL)
+ throw runtime_error("Failed to get font file path.");
+
+ string font_file_path = reinterpret_cast<const char *>(file_path);
+ return Asset(font_file_path);
+}