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