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#include "../include/ResourceLoader.hpp"
#include "../include/Program.hpp"
#include "../include/Path.hpp"
#include "../include/StringUtils.hpp"
#include <SFML/Graphics/Font.hpp>
#include <SFML/Graphics/Texture.hpp>
#include <array>
#include <unordered_map>
#include <malloc.h>
#include <assert.h>
static std::string resource_root;
static std::array<std::unique_ptr<sf::Font>, 4> font_cache;
static std::unordered_map<std::string, std::unique_ptr<sf::Texture>> texture_cache;
static bool use_system_fonts = false;
namespace QuickMedia {
void set_resource_loader_root_path(const char *new_resource_root) {
resource_root = new_resource_root;
}
const char* get_resource_loader_root_path() {
return resource_root.c_str();
}
void set_use_system_fonts(bool use) {
use_system_fonts = use;
}
}
namespace QuickMedia::FontLoader {
static int accumulate_string(char *data, int size, void *userdata) {
std::string *str = (std::string*)userdata;
if(str->size() + size > 1024 * 1024 * 100) // 100mb sane limit, TODO: make configurable
return 1;
str->append(data, size);
return 0;
}
sf::Font* get_font(FontType font_type) {
sf::Font *font = font_cache[(size_t)font_type].get();
if(!font) {
auto new_font = std::make_unique<sf::Font>();
std::vector<std::string> noto_directories;
std::string font_file_name;
switch(font_type) {
case FontType::LATIN: {
std::string output;
const char *args[] = { "fc-match", "sans:lang=en", "file", nullptr };
if(use_system_fonts && exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
Path path = strip(output.substr(6));
noto_directories.push_back(path.parent().data);
font_file_name = path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto");
noto_directories.push_back("/usr/share/fonts/truetype/noto");
font_file_name = "NotoSans-Regular.ttf";
}
break;
}
case FontType::LATIN_BOLD: {
std::string output;
const char *args[] = { "fc-match", "sans:bold:lang=en", "file", nullptr };
if(use_system_fonts && exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
Path path = strip(output.substr(6));
noto_directories.push_back(path.parent().data);
font_file_name = path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto");
noto_directories.push_back("/usr/share/fonts/truetype/noto");
font_file_name = "NotoSans-Bold.ttf";
}
break;
}
case FontType::CJK: {
std::string output;
const char *args[] = { "fc-match", "sans:lang=ja", "file", nullptr };
if(use_system_fonts && exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
Path path = strip(output.substr(6));
noto_directories.push_back(path.parent().data);
font_file_name = path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto-cjk");
noto_directories.push_back("/usr/share/fonts/truetype/noto-cjk");
font_file_name = "NotoSansCJK-Regular.ttc";
}
break;
}
case FontType::SYMBOLS: {
// TODO: Allow changing with system font setting
noto_directories.push_back("/usr/share/fonts/noto");
noto_directories.push_back("/usr/share/fonts/truetype/noto");
font_file_name = "NotoSansSymbols2-Regular.ttf";
break;
}
}
bool successfully_loaded_font = false;
for(const std::string ¬o_dir : noto_directories) {
if(new_font->loadFromFile(noto_dir + "/" + font_file_name)) {
successfully_loaded_font = true;
break;
}
}
if(!successfully_loaded_font)
fprintf(stderr, "Warning: Failed to load font: %s\n", font_file_name.c_str());
font = new_font.get();
font_cache[(size_t)font_type] = std::move(new_font);
malloc_trim(0);
}
return font;
}
}
namespace QuickMedia::TextureLoader {
sf::Texture* get_texture(const char *filepath) {
assert(!resource_root.empty());
std::string str = filepath;
auto it = texture_cache.find(str);
if(it != texture_cache.end())
return it->second.get();
auto new_texture = std::make_unique<sf::Texture>();
sf::Texture *result = new_texture.get();
if(!new_texture->loadFromFile(resource_root + str))
fprintf(stderr, "Failed to load image: %s%s\n", resource_root.c_str(), filepath);
new_texture->setSmooth(true);
texture_cache[str] = std::move(new_texture);
malloc_trim(0);
return result;
}
}
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