blob: 5382f1a8c46b407834da2245d1c5a30594e55043 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#include <fontconfig/fontconfig.h>
#include <stdexcept>
#include <memory>
#include <functional>
#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) {
// Create a pattern to search for the font family
FcPattern* raw_pattern = FcNameParse(reinterpret_cast<const FcChar8*>(font_family.c_str()));
if (!raw_pattern) {
throw runtime_error("Failed to create font pattern.");
}
std::unique_ptr<FcPattern, std::function<void(FcPattern*)>> pattern(
raw_pattern,
[](FcPattern* p) { FcPatternDestroy(p); }
);
FcConfig* config = FcConfigGetCurrent();
if (!config) {
throw runtime_error("Failed to get current Fontconfig configuration.");
}
FcResult result;
FcPattern* raw_matched_pattern = FcFontMatch(config, pattern.get(), &result);
if (!raw_matched_pattern) {
throw runtime_error("No matching font found.");
}
std::unique_ptr<FcPattern, std::function<void(FcPattern*)>> matched_pattern(
raw_matched_pattern,
[](FcPattern* p) { FcPatternDestroy(p); }
);
FcChar8* file_path = nullptr;
if (FcPatternGetString(matched_pattern.get(), FC_FILE, 0, &file_path) != FcResultMatch || !file_path) {
throw runtime_error("Failed to get font file path.");
}
string font_file_path = reinterpret_cast<const char*>(file_path);
return Asset(font_file_path);
}
|