1 files changed, 68 insertions, 0 deletions
diff --git a/src/slic3r/GUI/GLModel.hpp b/src/slic3r/GUI/GLModel.hpp
new file mode 100644
index 000000000..0b4a69bdb
--- /dev/null
+++ b/src/slic3r/GUI/GLModel.hpp
@@ -0,0 +1,68 @@
+#ifndef slic3r_GLModel_hpp_
+#define slic3r_GLModel_hpp_
+
+#include "libslic3r/Point.hpp"
+#include "libslic3r/BoundingBox.hpp"
+#include <vector>
+#include <string>
+
+namespace Slic3r {
+
+class TriangleMesh;
+
+namespace GUI {
+
+    struct GLModelInitializationData
+    {
+        std::vector<Vec3f> positions;
+        std::vector<Vec3f> normals;
+        std::vector<Vec3i> triangles;
+    };
+
+    class GLModel
+    {
+        unsigned int m_vbo_id{ 0 };
+        unsigned int m_ibo_id{ 0 };
+        size_t m_indices_count{ 0 };
+
+        BoundingBoxf3 m_bounding_box;
+        std::string m_filename;
+
+    public:
+        virtual ~GLModel() { reset(); }
+
+        void init_from(const GLModelInitializationData& data);
+        void init_from(const TriangleMesh& mesh);
+        bool init_from_file(const std::string& filename);
+        void reset();
+        void render() const;
+
+        const BoundingBoxf3& get_bounding_box() const { return m_bounding_box; }
+
+        const std::string& get_filename() const { return m_filename; }
+
+    private:
+        void send_to_gpu(const std::vector<float>& vertices, const std::vector<unsigned int>& indices);
+    };
+
+
+    // create an arrow with cylindrical stem and conical tip, with the given dimensions and resolution
+    // the origin of the arrow is in the center of the stem cap
+    // the arrow has its axis of symmetry along the Z axis and is pointing upward
+    GLModelInitializationData stilized_arrow(int resolution, float tip_radius, float tip_height, float stem_radius, float stem_height);
+
+    // create an arrow whose stem is a quarter of circle, with the given dimensions and resolution
+    // the origin of the arrow is in the center of the circle
+    // the arrow is contained in the 1st quadrant of the XY plane and is pointing counterclockwise
+    GLModelInitializationData circular_arrow(int resolution, float radius, float tip_height, float tip_width, float stem_width, float thickness);
+
+    // create an arrow with the given dimensions
+    // the origin of the arrow is in the center of the stem cap
+    // the arrow is contained in XY plane and has its main axis along the Y axis
+    GLModelInitializationData straight_arrow(float tip_width, float tip_height, float stem_width, float stem_height, float thickness);
+
+} // namespace GUI
+} // namespace Slic3r
+
+#endif // slic3r_GLModel_hpp_
+