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#ifndef LLMR_STYLE_SPRITE
#define LLMR_STYLE_SPRITE
#include <llmr/util/raster.hpp>
#include <llmr/util/vec.hpp>
#include <string>
#include <mutex>
#include <memory>
#include <atomic>
#include <unordered_map>
namespace llmr {
class Map;
class SpritePosition {
public:
explicit SpritePosition() {}
explicit SpritePosition(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint8_t pixelRatio = 1);
operator bool() const {
return !(width == 0 && height == 0 && x == 0 && y == 0);
}
uint16_t x = 0, y = 0;
uint16_t width = 0, height = 0;
uint8_t pixelRatio = 1;
};
class Sprite : public std::enable_shared_from_this<Sprite> {
public:
Sprite(Map &map, float pixelRatio = 1);
void load(const std::string& base_url);
const SpritePosition &getSpritePosition(const std::string& name) const;
bool isLoaded() const;
public:
const float pixelRatio;
std::unique_ptr<util::Image> raster;
private:
void asyncParseJSON();
void asyncParseImage();
static void parseJSON(std::shared_ptr<Sprite> &sprite);
static void parseImage(std::shared_ptr<Sprite> &sprite);
static void complete(std::shared_ptr<Sprite> &sprite);
private:
Map ↦
std::string url;
std::string body;
std::string image;
std::atomic<bool> loaded;
std::unordered_map<std::string, SpritePosition> pos;
const SpritePosition empty;
};
}
#endif
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