Rasterizer skeleton

xs/src/libslic3r/Rasterizer/Rasterizer.hpp

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+#ifndef RASTERIZER_HPP
+#define RASTERIZER_HPP
+
+#include <Polygon.hpp>
+
+namespace Slic3r {
+
+class Raster {
+    class Impl;
+    std::unique_ptr<Impl> impl_;
+public:
+
+    struct Resolution {
+        unsigned width_px;
+        unsigned height_px;
+        inline Resolution(unsigned w, unsigned h): width_px(w), height_px(h) {}
+    };
+
+    struct PixelDim {
+        double w_mm;
+        double h_mm;
+        inline PixelDim(double px_width_mm, double px_height_mm ):
+            w_mm(px_width_mm), h_mm(px_height_mm) {}
+    };
+
+    inline explicit Raster(const Resolution& r, const PixelDim& pd );
+    ~Raster();
+    Raster(const Raster& cpy);
+    Raster(Raster&& m);
+
+    void clear();
+
+    void draw(const Polygon& poly);
+
+    void finish();
+
+private:
+    Resolution resolution_;
+    PixelDim pxdim_;
+};
+
+}
+#endif // RASTERIZER_HPP