Added tech ENABLE_THUMBNAIL_GENERATOR -> 1st installment of generation of thumbnail from plater (WIP)

src/libslic3r/GCode/ThumbnailData.hpp

@@ -0,0 +1,25 @@
+#ifndef slic3r_ThumbnailData_hpp_
+#define slic3r_ThumbnailData_hpp_
+
+#if ENABLE_THUMBNAIL_GENERATOR
+
+#include <vector>
+
+namespace Slic3r {
+
+struct ThumbnailData
+{
+    unsigned int width;
+    unsigned int height;
+    std::vector<unsigned char> pixels;
+
+    ThumbnailData() { reset(); }
+    void set(unsigned int w, unsigned int h);
+    void reset();
+};
+
+} // namespace Slic3r
+
+#endif // ENABLE_THUMBNAIL_GENERATOR
+
+#endif // slic3r_ThumbnailData_hpp_