Horizon
canvas3d.hpp
1 #pragma once
2 #include "canvas_mesh.hpp"
3 #include "canvas/appearance.hpp"
4 #include "clipper/clipper.hpp"
5 #include "common/common.hpp"
6 #include "util/msd_animator.hpp"
7 #include <epoxy/gl.h>
8 #include <glm/glm.hpp>
9 #include <gtkmm.h>
10 #include <unordered_map>
11 #include "canvas3d_base.hpp"
12 #include <atomic>
13 #include <thread>
14 
15 namespace horizon {
16 class Canvas3D : public Gtk::GLArea, public Canvas3DBase {
17 public:
18  friend class CoverRenderer;
19  friend class WallRenderer;
20  friend class FaceRenderer;
21  friend class BackgroundRenderer;
22  Canvas3D();
23 
24  float far;
25  float near;
26 
27  bool smooth_zoom = false;
28 
29  void request_push();
30  void update(const class Board &brd);
31  void update_packages();
32  void set_highlights(const std::set<UUID> &pkgs);
33 
34  void inc_cam_azimuth(float v);
35  void set_appearance(const Appearance &a);
36 
37  void set_msaa(unsigned int samples);
38 
39  void load_models_async(class IPool &pool);
40 
41  void view_all();
42 
43  typedef sigc::signal<void, unsigned int, unsigned int> type_signal_models_loading;
44  type_signal_models_loading signal_models_loading()
45  {
46  return s_signal_models_loading;
47  }
48 
49  int _animate_step(GdkFrameClock *frame_clock);
50 
51  ~Canvas3D();
52 
53 private:
54  bool needs_push = false;
55  bool needs_view_all = false;
56  int a_get_scale_factor() const override;
57 
58  void on_size_allocate(Gtk::Allocation &alloc) override;
59  void on_realize() override;
60  bool on_render(const Glib::RefPtr<Gdk::GLContext> &context) override;
61  bool on_button_press_event(GdkEventButton *button_event) override;
62  bool on_motion_notify_event(GdkEventMotion *motion_event) override;
63  bool on_button_release_event(GdkEventButton *button_event) override;
64  bool on_scroll_event(GdkEventScroll *scroll_event) override;
65 
66  Glib::RefPtr<Gtk::GestureDrag> gesture_drag;
67  glm::vec2 gesture_drag_center_orig;
68  glm::vec2 get_center_shift(const glm::vec2 &shift) const;
69  void drag_gesture_begin_cb(GdkEventSequence *seq);
70  void drag_gesture_update_cb(GdkEventSequence *seq);
71 
72  Glib::RefPtr<Gtk::GestureZoom> gesture_zoom;
73  float gesture_zoom_cam_dist_orig = 1;
74  void zoom_gesture_begin_cb(GdkEventSequence *seq);
75  void zoom_gesture_update_cb(GdkEventSequence *seq);
76 
77  Glib::RefPtr<Gtk::GestureRotate> gesture_rotate;
78  float gesture_rotate_cam_azimuth_orig = 0;
79  float gesture_rotate_cam_elevation_orig = 0;
80  glm::vec2 gesture_rotate_pos_orig;
81  void rotate_gesture_begin_cb(GdkEventSequence *seq);
82  void rotate_gesture_update_cb(GdkEventSequence *seq);
83  void fix_cam_elevation();
84 
85  glm::vec2 pointer_pos_orig;
86  float cam_azimuth_orig;
87  float cam_elevation_orig;
88 
89  glm::vec2 center_orig;
90 
91  enum class PanMode { NONE, MOVE, ROTATE };
92  PanMode pan_mode = PanMode::NONE;
93 
94  MSDAnimator zoom_animator;
95  float zoom_animation_cam_dist_orig = 1;
96 
97  bool needs_resize = false;
98 
99 
100  void prepare();
101 
102  void load_models_thread(std::map<std::string, std::string> model_filenames);
103 
104 
105  Glib::Dispatcher models_loading_dispatcher;
106 
107  type_signal_models_loading s_signal_models_loading;
108  unsigned int n_models_loading = 0;
109  std::atomic<unsigned int> i_model_loading;
110 
111  std::thread model_load_thread;
112  std::atomic<bool> stop_model_load_thread;
113 };
114 } // namespace horizon
horizon::Canvas3D
Definition: canvas3d.hpp:16
horizon::MSDAnimator
Definition: msd_animator.hpp:5
horizon::Board
Definition: board.hpp:42
horizon::CoverRenderer
Definition: cover.hpp:6
horizon::FaceRenderer
Definition: face.hpp:6
horizon::BackgroundRenderer
Definition: background.hpp:5
horizon::Appearance
Definition: appearance.hpp:7
horizon::IPool
Definition: ipool.hpp:12
horizon::WallRenderer
Definition: wall.hpp:6
horizon::Canvas3DBase
Definition: canvas3d_base.hpp:15