diff options
Diffstat (limited to 'src/crepe/facade/FontFacade.cpp')
-rw-r--r-- | src/crepe/facade/FontFacade.cpp | 43 |
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); +} |