OpenGL to c++ 1st installment - WIP

xs/src/slic3r/GUI/GLCanvas3DManager.hpp

@@ -0,0 +1,86 @@
+#ifndef slic3r_GLCanvas3DManager_hpp_
+#define slic3r_GLCanvas3DManager_hpp_
+
+#include "GLCanvas3D.hpp"
+
+#include <map>
+
+namespace Slic3r {
+namespace GUI {
+
+class GLCanvas3DManager
+{
+    struct GLVersion
+    {
+        unsigned int vn_major;
+        unsigned int vn_minor;
+
+        GLVersion();
+        bool detect();
+
+        bool is_greater_or_equal_to(unsigned int major, unsigned int minor) const;
+    };
+
+    struct LayerEditing
+    {
+        bool allowed;
+
+        LayerEditing();
+    };
+
+    typedef std::map<wxGLCanvas*, GLCanvas3D*> CanvasesMap;
+
+    CanvasesMap m_canvases;
+    GLVersion m_gl_version;
+    LayerEditing m_layer_editing;
+    bool m_gl_initialized;
+    bool m_use_legacy_opengl;
+    bool m_use_VBOs;
+
+public:
+    GLCanvas3DManager();
+
+    bool add(wxGLCanvas* canvas, wxGLContext* context);
+    bool remove(wxGLCanvas* canvas);
+
+    void remove_all();
+
+    unsigned int count() const;
+
+    void init_gl();
+
+    bool use_VBOs() const;
+    bool layer_editing_allowed() const;
+
+    bool is_dirty(wxGLCanvas* canvas) const;
+    void set_dirty(wxGLCanvas* canvas, bool dirty);
+
+    bool is_shown_on_screen(wxGLCanvas* canvas) const;
+
+    unsigned int get_camera_type(wxGLCanvas* canvas) const;
+    void set_camera_type(wxGLCanvas* canvas, unsigned int type);
+
+    float get_camera_zoom(wxGLCanvas* canvas) const;
+    void set_camera_zoom(wxGLCanvas* canvas, float zoom);
+
+    float get_camera_phi(wxGLCanvas* canvas) const;
+    void set_camera_phi(wxGLCanvas* canvas, float phi);
+
+    float get_camera_theta(wxGLCanvas* canvas) const;
+    void set_camera_theta(wxGLCanvas* canvas, float theta);
+
+    float get_camera_distance(wxGLCanvas* canvas) const;
+    void set_camera_distance(wxGLCanvas* canvas, float distance);
+
+    Pointf3 get_camera_target(wxGLCanvas* canvas) const;
+    void set_camera_target(wxGLCanvas* canvas, const Pointf3* target);
+
+private:
+    CanvasesMap::iterator _get_canvas(wxGLCanvas* canvas);
+    CanvasesMap::const_iterator _get_canvas(wxGLCanvas* canvas) const;
+};
+
+} // namespace GUI
+} // namespace Slic3r
+
+#endif // slic3r_GLCanvas3DManager_hpp_