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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(); }
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) {
FcPatternDestroy(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 Asset(font_file_path);
}
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