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#include "../include/ResourceCache.hpp"
#include "../include/Gif.hpp"
#include "../include/StaticImage.hpp"
#include "../include/WebPagePreview.hpp"
#include <unordered_map>
using namespace std;
namespace dchat
{
static unordered_map<string, sf::Font*> fonts;
static unordered_map<string, sf::Texture*> textures;
static unordered_map<string, sf::Shader*> shaders;
static Cache *cache = nullptr;
const sf::Font* ResourceCache::getFont(const string &filepath)
{
auto it = fonts.find(filepath);
if(it != fonts.end())
return it->second;
sf::Font *font = new sf::Font();
if(!font->loadFromFile(filepath))
{
delete font;
string errMsg = "Failed to load font: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
fonts[filepath] = font;
return font;
}
sf::Shader* ResourceCache::getShader(const std::string &filepath, sf::Shader::Type shaderType)
{
auto it = shaders.find(filepath);
if(it != shaders.end())
return it->second;
sf::Shader *shader = new sf::Shader();
if(!shader->loadFromFile(filepath, shaderType))
{
delete shader;
string errMsg = "Failed to load shader: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
shaders[filepath] = shader;
return shader;
}
Cache* ResourceCache::getCache()
{
if(!cache) {
CreateGifFunc createGifFunc = [](StringView fileContent)
{
return new SfmlGif(fileContent);
};
CreateStaticImageFunc createStaticImageFunc = [](const boost::filesystem::path &filepath)
{
return new SfmlStaticImage(filepath);
};
CreateWebPagePreviewFunc createWebPagePreview = [](const std::string &title, const std::string &description)
{
return new SfmlWebPagePreview(title, description);
};
cache = new Cache(std::move(createGifFunc),
std::move(createStaticImageFunc),
std::move(createWebPagePreview));
}
return cache;
}
}
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