Rasterizer skeleton

xs/src/libslic3r/Rasterizer/Rasterizer.cpp

@@ -0,0 +1,40 @@
+#include "Rasterizer.hpp"
+
+#include <png.h>
+
+
+namespace Slic3r {
+
+class Raster::Impl {
+
+};
+
+Raster::Raster(const Raster::Resolution &r, const Raster::PixelDim &pd):
+    impl_(new Impl), resolution_(r), pxdim_(pd) {}
+
+Raster::~Raster() {}
+
+Raster::Raster(const Raster &cpy): resolution_(cpy.resolution_),
+    pxdim_(cpy.pxdim_) {
+    *impl_ = *(cpy.impl_);
+}
+
+Raster::Raster(Raster &&m):
+    impl_(std::move(m.impl_)), resolution_(m.resolution_), pxdim_(m.pxdim_) {}
+
+void Raster::clear()
+{
+
+}
+
+void Raster::draw(const Polygon &poly)
+{
+    png_image ifo;
+}
+
+void Raster::finish()
+{
+
+}
+
+}

xs/src/libslic3r/Rasterizer/Rasterizer.hpp

@@ -0,0 +1,43 @@
+#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