Makes FontData importable resource.

Adds multi-channel SDF font texture generation and rendering support.
Adds per-font oversampling support.
Adds FontData import plugins (for dynamic fonts, BMFonts and monospaced image fonts), font texture cache pre-generation and loading.
Adds BMFont binary format and outline support.

thirdparty/msdfgen/core/Bitmap.h

@@ -0,0 +1,50 @@
+
+#pragma once
+
+#include "BitmapRef.hpp"
+
+namespace msdfgen {
+
+/// A 2D image bitmap with N channels of type T. Pixel memory is managed by the class.
+template <typename T, int N = 1>
+class Bitmap {
+
+public:
+    Bitmap();
+    Bitmap(int width, int height);
+    Bitmap(const BitmapConstRef<T, N> &orig);
+    Bitmap(const Bitmap<T, N> &orig);
+#ifdef MSDFGEN_USE_CPP11
+    Bitmap(Bitmap<T, N> &&orig);
+#endif
+    ~Bitmap();
+    Bitmap<T, N> & operator=(const BitmapConstRef<T, N> &orig);
+    Bitmap<T, N> & operator=(const Bitmap<T, N> &orig);
+#ifdef MSDFGEN_USE_CPP11
+    Bitmap<T, N> & operator=(Bitmap<T, N> &&orig);
+#endif
+    /// Bitmap width in pixels.
+    int width() const;
+    /// Bitmap height in pixels.
+    int height() const;
+    T * operator()(int x, int y);
+    const T * operator()(int x, int y) const;
+#ifdef MSDFGEN_USE_CPP11
+    explicit operator T *();
+    explicit operator const T *() const;
+#else
+    operator T *();
+    operator const T *() const;
+#endif
+    operator BitmapRef<T, N>();
+    operator BitmapConstRef<T, N>() const;
+
+private:
+    T *pixels;
+    int w, h;
+
+};
+
+}
+
+#include "Bitmap.hpp"