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#include <stdexcept>
#include "SDLFontContext.h"
using namespace crepe;
using namespace std;
SDLFontContext::SDLFontContext(){
if (!FcInit()) {
throw runtime_error("Failed to initialize Fontconfig.");
}
}
SDLFontContext::~SDLFontContext(){
FcFini();
}
unique_ptr<Asset> SDLFontContext::get_font_asset(const string & font_family) {
// Create a pattern to search for the font family
FcPattern* pattern = FcNameParse(reinterpret_cast<const FcChar8*>(font_family.c_str()));
if (!pattern) {
throw runtime_error("Failed to create font pattern.");
}
// Default configuration
FcConfig* config = FcConfigGetCurrent();
if (!config) {
FcPatternDestroy(pattern);
throw runtime_error("Failed to get current Fontconfig configuration.");
}
// Match the font pattern
FcResult result;
FcPattern* matched_pattern = FcFontMatch(config, pattern, &result);
FcPatternDestroy(pattern);
if (!matched_pattern) {
throw runtime_error("No matching font found.");
}
// Extract the file path
FcChar8* file_path = nullptr;
if (FcPatternGetString(matched_pattern, FC_FILE, 0, &file_path) != FcResultMatch || !file_path) {
FcPatternDestroy(matched_pattern);
throw runtime_error("Failed to get font file path.");
}
// Convert the file path to a string
string font_file_path(reinterpret_cast<const char*>(file_path));
FcPatternDestroy(matched_pattern);
return move(make_unique<Asset>(font_file_path));
}
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