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#ifndef LLMR_TEXT_GLYPH
#define LLMR_TEXT_GLYPH
#include <llmr/util/rect.hpp>
#include <cstdint>
#include <vector>
#include <map>
namespace llmr {
typedef std::pair<uint16_t, uint16_t> GlyphRange;
// Note: this only works for the BMP
GlyphRange getGlyphRange(uint32_t glyph);
struct GlyphMetrics {
operator bool() const {
return width == 0 && height == 0 && advance == 0;
}
// Glyph metrics.
uint32_t width = 0;
uint32_t height = 0;
int32_t left = 0;
int32_t top = 0;
uint32_t advance = 0;
};
struct Glyph {
inline explicit Glyph() : rect(0, 0, 0, 0), metrics() {}
inline explicit Glyph(const Rect<uint16_t> &rect,
const GlyphMetrics &metrics)
: rect(rect), metrics(metrics) {}
operator bool() const {
return !metrics && !rect;
}
const Rect<uint16_t> rect;
const GlyphMetrics metrics;
};
typedef std::map<uint32_t, Glyph> GlyphPositions;
typedef std::map<std::string, GlyphPositions> Faces;
typedef std::vector<const GlyphPositions *> IndexedFaces;
class GlyphPlacement {
public:
inline explicit GlyphPlacement(uint32_t face, uint32_t glyph, uint32_t x, uint32_t y)
: face(face), glyph(glyph), x(x), y(y) {}
uint32_t face = 0;
uint32_t glyph = 0;
uint32_t x = 0;
uint32_t y = 0;
};
typedef std::vector<GlyphPlacement> Shaping;
}
#endif
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