1 files changed, 37 insertions, 0 deletions
diff --git a/thirdparty/msdfgen/core/Projection.h b/thirdparty/msdfgen/core/Projection.h
new file mode 100644
index 0000000000..7cdb1c307a
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+++ b/thirdparty/msdfgen/core/Projection.h
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+
+#pragma once
+
+#include "Vector2.h"
+
+namespace msdfgen {
+
+/// A transformation from shape coordinates to pixel coordinates.
+class Projection {
+
+public:
+    Projection();
+    Projection(const Vector2 &scale, const Vector2 &translate);
+    /// Converts the shape coordinate to pixel coordinate.
+    Point2 project(const Point2 &coord) const;
+    /// Converts the pixel coordinate to shape coordinate.
+    Point2 unproject(const Point2 &coord) const;
+    /// Converts the vector to pixel coordinate space.
+    Vector2 projectVector(const Vector2 &vector) const;
+    /// Converts the vector from pixel coordinate space.
+    Vector2 unprojectVector(const Vector2 &vector) const;
+    /// Converts the X-coordinate from shape to pixel coordinate space.
+    double projectX(double x) const;
+    /// Converts the Y-coordinate from shape to pixel coordinate space.
+    double projectY(double y) const;
+    /// Converts the X-coordinate from pixel to shape coordinate space.
+    double unprojectX(double x) const;
+    /// Converts the Y-coordinate from pixel to shape coordinate space.
+    double unprojectY(double y) const;
+
+private:
+    Vector2 scale;
+    Vector2 translate;
+
+};
+
+}