1 files changed, 61 insertions, 0 deletions
diff --git a/include/mbgl/text/glyph.hpp b/include/mbgl/text/glyph.hpp
new file mode 100644
index 0000000000..899c8fffee
--- /dev/null
+++ b/include/mbgl/text/glyph.hpp
@@ -0,0 +1,61 @@
+#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 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;
+    int32_t x = 0;
+    int32_t y = 0;
+};
+
+typedef std::vector<GlyphPlacement> Shaping;
+}
+
+#endif