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Diffstat (limited to 'src/mbgl/text/glyph.hpp')
-rw-r--r-- | src/mbgl/text/glyph.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/mbgl/text/glyph.hpp b/src/mbgl/text/glyph.hpp new file mode 100644 index 0000000000..4fbb75fc1e --- /dev/null +++ b/src/mbgl/text/glyph.hpp @@ -0,0 +1,60 @@ +#ifndef MBGL_TEXT_GLYPH +#define MBGL_TEXT_GLYPH + +#include <mbgl/util/rect.hpp> + +#include <cstdint> +#include <vector> +#include <map> + +namespace mbgl { + +typedef std::pair<uint16_t, uint16_t> GlyphRange; + +// Note: this only works for the BMP +GlyphRange getGlyphRange(char32_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; + +class PositionedGlyph { +public: + inline explicit PositionedGlyph(uint32_t glyph_, float x_, float y_) + : glyph(glyph_), x(x_), y(y_) {} + + uint32_t glyph = 0; + float x = 0; + float y = 0; +}; + +typedef std::vector<PositionedGlyph> Shaping; +} + +#endif |