def show(self):
if self.__window is not None:
raise RuntimeError("Window is already shown.")
frames = PreviewFrame.load_all(self.path)
if len(frames) == 0:
logger.warning(
"No frames where found. Therefore, the preview is not shown.")
return
frame_index = 0
def on_key(window, key, _scancode, action, _mods):
nonlocal frame_index
# Respond only to key press
if action == glfw.GLFW_RELEASE:
return
if key == glfw.GLFW_KEY_LEFT and frame_index > 0:
frame_index -= 1
PreviewWindow._draw_frame(window, self.path, frames,
frame_index, False)
elif key == glfw.GLFW_KEY_RIGHT and frame_index < len(frames) - 1:
frame_index += 1
PreviewWindow._draw_frame(window, self.path, frames,
frame_index, False)
def on_close(_window):
self.parent.notify_all(
{"subject": Preview.NOTIFICATION_PREVIEW_CLOSE})
# TODO: The code assumes for simplicity that both eye images run with the same resolution.
first_frame = frames[0][0].load(self.path)
with PreviewWindow.WindowContextManager() as active_window:
glfw.glfwWindowHint(glfw.GLFW_RESIZABLE, False)
glfw.glfwWindowHint(glfw.GLFW_ICONIFIED, False)
glfw.glfwWindowHint(GLFW_FLOATING, True)
self.__window = glfw.glfwCreateWindow(
first_frame.shape[1] * len(frames[0]),
first_frame.shape[0],
PreviewWindow.WINDOW_NAME,
monitor=None,
share=active_window,
)
# Reset default
glfw.glfwWindowHint(glfw.GLFW_RESIZABLE, True)
glfw.glfwWindowHint(glfw.GLFW_ICONIFIED, True)
glfw.glfwWindowHint(GLFW_FLOATING, False)
glfw.glfwSetKeyCallback(self.__window, on_key)
glfw.glfwSetWindowCloseCallback(self.__window, on_close)
glfw.glfwMakeContextCurrent(self.__window)
basic_gl_setup()
glfw.glfwSwapInterval(0)
PreviewWindow._draw_frame(self.__window, self.path, frames, 0, True)
def _register_callbacks(self, window):
glfw.glfwSetWindowSizeCallback(window, self._on_set_window_size)
glfw.glfwSetWindowPosCallback(window, self._on_set_window_pos)
glfw.glfwSetFramebufferSizeCallback(window, self._on_set_frame_buffer_size)
glfw.glfwSetMouseButtonCallback(window, self._on_set_mouse_button)
glfw.glfwSetCursorPosCallback(window, self._on_set_cursor_pos)
glfw.glfwSetScrollCallback(window, self._on_set_scroll)
glfw.glfwSetWindowCloseCallback(window, self._on_set_window_close)
def _register_callbacks(self, window):
glfw.glfwSetWindowSizeCallback(window, self._on_set_window_size)
glfw.glfwSetWindowPosCallback(window, self._on_set_window_pos)
glfw.glfwSetFramebufferSizeCallback(window, self._on_set_frame_buffer_size)
glfw.glfwSetMouseButtonCallback(window, self._on_set_mouse_button)
glfw.glfwSetCursorPosCallback(window, self._on_set_cursor_pos)
glfw.glfwSetScrollCallback(window, self._on_set_scroll)
glfw.glfwSetWindowCloseCallback(window, self._on_set_window_close)
def open_window(self):
if not self._window:
monitor = None
# open with same aspect ratio as surface
surface_aspect_ratio = (self.surface.real_world_size["x"] /
self.surface.real_world_size["y"])
win_h = 640
win_w = int(win_h / surface_aspect_ratio)
self._window = glfw.glfwCreateWindow(
win_h,
win_w,
"Reference Surface: " + self.surface.name,
monitor=monitor,
share=glfw.glfwGetCurrentContext(),
)
glfw.glfwSetWindowPos(
self._window,
self.window_position_default[0],
self.window_position_default[1],
)
self.trackball = gl_utils.trackball.Trackball()
self.input = {"down": False, "mouse": (0, 0)}
# Register callbacks
glfw.glfwSetFramebufferSizeCallback(self._window, self.on_resize)
glfw.glfwSetKeyCallback(self._window, self.on_window_key)
glfw.glfwSetWindowCloseCallback(self._window, self.on_close)
glfw.glfwSetMouseButtonCallback(self._window,
self.on_window_mouse_button)
glfw.glfwSetCursorPosCallback(self._window, self.on_pos)
glfw.glfwSetScrollCallback(self._window, self.on_scroll)
self.on_resize(self._window,
*glfw.glfwGetFramebufferSize(self._window))
# gl_state settings
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(self._window)
gl_utils.basic_gl_setup()
gl_utils.make_coord_system_norm_based()
# refresh speed settings
glfw.glfwSwapInterval(0)
glfw.glfwMakeContextCurrent(active_window)
def open_window(self):
if not self._window:
monitor = None
# open with same aspect ratio as surface
surface_aspect_ratio = (
self.surface.real_world_size["x"] / self.surface.real_world_size["y"]
)
win_h = 640
win_w = int(win_h / surface_aspect_ratio)
self._window = glfw.glfwCreateWindow(
win_h,
win_w,
"Reference Surface: " + self.surface.name,
monitor=monitor,
share=glfw.glfwGetCurrentContext(),
)
glfw.glfwSetWindowPos(
self._window,
self.window_position_default[0],
self.window_position_default[1],
)
self.trackball = gl_utils.trackball.Trackball()
self.input = {"down": False, "mouse": (0, 0)}
# Register callbacks
glfw.glfwSetFramebufferSizeCallback(self._window, self.on_resize)
glfw.glfwSetKeyCallback(self._window, self.on_window_key)
glfw.glfwSetWindowCloseCallback(self._window, self.on_close)
glfw.glfwSetMouseButtonCallback(self._window, self.on_window_mouse_button)
glfw.glfwSetCursorPosCallback(self._window, self.on_pos)
glfw.glfwSetScrollCallback(self._window, self.on_scroll)
self.on_resize(self._window, *glfw.glfwGetFramebufferSize(self._window))
# gl_state settings
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(self._window)
gl_utils.basic_gl_setup()
gl_utils.make_coord_system_norm_based()
# refresh speed settings
glfw.glfwSwapInterval(0)
glfw.glfwMakeContextCurrent(active_window)