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#ifndef MBGL_GEOMETRY_GLYPH_ATLAS
#define MBGL_GEOMETRY_GLYPH_ATLAS
#include <mbgl/geometry/binpack.hpp>
#include <mbgl/text/glyph_store.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <string>
#include <set>
#include <map>
#include <mutex>
#include <atomic>
namespace mbgl {
class GlyphAtlas : public util::noncopyable {
public:
private:
struct GlyphValue {
GlyphValue(const Rect<uint16_t>& rect_, uint64_t id)
: rect(rect_), ids({ id }) {}
Rect<uint16_t> rect;
std::set<uint64_t> ids;
};
Rect<uint16_t> addGlyph_impl(uint64_t tile_id, const std::string& face_name,
const SDFGlyph& glyph);
public:
GlyphAtlas(uint16_t width, uint16_t height);
Rect<uint16_t> addGlyph(uint64_t tile_id, const std::string& face_name,
const SDFGlyph& glyph);
void addGlyphs(uint64_t tileid, std::u32string const& text, std::string const& stackname,
FontStack const& fontStack, GlyphPositions & face);
void removeGlyphs(uint64_t tile_id);
void bind();
public:
const uint16_t width = 0;
const uint16_t height = 0;
private:
std::mutex mtx;
BinPack<uint16_t> bin;
std::map<std::string, std::map<uint32_t, GlyphValue>> index;
std::unique_ptr<char[]> data;
std::atomic<bool> dirty;
uint32_t texture = 0;
};
};
#endif
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