class PostPhotoScene(BaseScene):
############################################################################
## Constants ##
############################################################################
#Required Keys.
_KEY_PHOTO_PLACEHOLDER_SPRITE = "photo_placeholder";
_KEY_PHOTO_FRAME_SPRITE = "photo_frame";
_KEY_STATIC_SPRITES = "static_sprites";
_KEY_ACCEPT_BUTTON = "accept_button";
_KEY_REJECT_BUTTON = "reject_button";
_REQUIRED_KEYS = [
_KEY_PHOTO_PLACEHOLDER_SPRITE,
_KEY_PHOTO_FRAME_SPRITE,
_KEY_STATIC_SPRITES,
_KEY_ACCEPT_BUTTON,
_KEY_REJECT_BUTTON,
];
#Layers.
_LAYER_INDEX_STATIC_SPRITE = 1;
_LAYER_INDEX_CAMERA_SPRITE = 2;
_LAYER_INDEX_FRAME_SPRITE = 3;
_LAYER_INDEX_BUTTONS = 4;
############################################################################
## CTOR ##
############################################################################
def __init__(self):
BaseScene.__init__(self);
## iVars ##
#Filenames and Content.
self._config_filename = None;
self._config_contents = None;
#UI Elements.
self._accept_button = None;
self._reject_button = None;
self._photo_sprite = None;
self._frame_sprite = None;
############################################################################
## Overriden Methods ##
############################################################################
def start(self):
Logger.instance().log_debug("PostPhotoScene.start");
#Update the placeholder image to the last photo taken by camera.
placeholder_size = self._photo_sprite.get_size();
last_photo = Camera.instance().get_last_photo(scale_to = placeholder_size);
self._photo_sprite.update_image(last_photo);
def end(self):
Logger.instance().log_debug("PostPhotoScene.end");
############################################################################
## Init ##
############################################################################
def init(self):
Logger.instance().log_debug("PostPhotoScene.init");
self._config_filename = scene_manager.SceneManager.instance().get_postphoto_scene_filename();
#Validate the configuration.
config_info = config_validation.validate("PostPhotoScene",
self._config_filename,
PostPhotoScene._REQUIRED_KEYS);
self._config_contents = DictHelper(config_info);
#Init the UI.
self._init_static_sprites();
self._init_photo_sprite();
self._init_frame_sprite();
self._init_buttons();
def _init_static_sprites(self):
sprite_list = self._config_contents.value_or_die(PostPhotoScene._KEY_STATIC_SPRITES);
for info in sprite_list:
#Create the sprite.
sprite = Sprite();
#Set the sprite properties.
sprite.load_image (info["image" ]);
sprite.set_position(info["position"]);
#Add to scene.
self.add(sprite, layer = PostPhotoScene._LAYER_INDEX_STATIC_SPRITE);
def _init_photo_sprite(self):
#Get the info.
info = self._config_contents.value_or_die(PostPhotoScene._KEY_PHOTO_PLACEHOLDER_SPRITE);
#Create the sprite.
self._photo_sprite = Sprite();
#Set the sprite properties.
self._photo_sprite.load_image (info["image" ]);
self._photo_sprite.set_position(info["position"]);
#Add to scene.
self.add(self._photo_sprite,
layer = PostPhotoScene._LAYER_INDEX_CAMERA_SPRITE);
def _init_frame_sprite(self):
#Get the info.
info = self._config_contents.value_or_die(PostPhotoScene._KEY_PHOTO_FRAME_SPRITE);
#Don't need the frame...
if(info == False):
return;
#Init the sprite.
self._frame_sprite = Sprite();
#Set the sprite properties.
self._frame_sprite.load_image (info["image" ]);
self._frame_sprite.set_position(info["position"]);
#Frame isn't same size of camera image, so scale it.
photo_sprite_size = self._photo_sprite.get_size();
if(self._frame_sprite.get_size() != photo_sprite_size):
frame_image = self._frame_sprite.image;
scaled_image = pygame.transform.scale(frame_image,
photo_sprite_size);
self._frame_sprite.update_image(scaled_image);
#Add to scene.
self.add(self._frame_sprite,
layer = PostPhotoScene._LAYER_INDEX_FRAME_SPRITE);
def _init_buttons(self):
## Initialize the Accept and Reject Buttons. ##
#Get the infos.
accept_info = self._config_contents.value_or_die(PostPhotoScene._KEY_ACCEPT_BUTTON);
reject_info = self._config_contents.value_or_die(PostPhotoScene._KEY_REJECT_BUTTON);
#Initialize the buttons.
self._accept_button = self._create_button_helper(accept_info,
self._on_accept_button_pressed);
self._reject_button = self._create_button_helper(reject_info,
self._on_reject_button_pressed);
def _create_button_helper(self, info, callback):
button = Button();
#Images.
button.load_images(info["normal_image"],
info["pressed_image"]);
#Position.
button.set_position(info["position"]);
#Callback.
button.set_click_callback(callback);
#Add to scene.
self.add(button, layer = PostPhotoScene._LAYER_INDEX_BUTTONS);
return button;
############################################################################
## Update / Draw / Handle Events ##
############################################################################
def handle_events(self, event):
#Those buttons are *always* present.
self._accept_button.handle_events(event);
self._reject_button.handle_events(event);
############################################################################
## Button Callbacks ##
############################################################################
def _on_accept_button_pressed(self):
self._save_photo_on_disk();
#Change to other scene.
self._change_scene(scene_manager.SceneManager.SCENE_NAME_DONE);
def _on_reject_button_pressed(self):
self._change_scene(scene_manager.SceneManager.SCENE_NAME_CAMERA);
############################################################################
## Helper Methods ##
############################################################################
def _change_scene(self, scene_name):
scene_manager.SceneManager.instance().scene_is_complete(target_scene_name=scene_name);
def _save_photo_on_disk(self):
#Save the photo on disk...
filesystem.save_photo(Camera.instance().get_last_photo(),
use_another_thread = True);
class CameraScene(BaseScene):
############################################################################
## Constants ##
############################################################################
#Required Keys.
_KEY_CAMERA_PLACEHOLDER_SPRITE = "camera_placeholder";
_KEY_CAMERA_FRAME_SPRITE = "camera_frame";
_KEY_TAKEPHOTO_BUTTON = "take_photo";
_KEY_STATIC_SPRITES = "static_sprites";
_KEY_COUNTDOWN_SPRITES = "countdown";
_REQUIRED_KEYS = [
_KEY_CAMERA_PLACEHOLDER_SPRITE,
_KEY_CAMERA_FRAME_SPRITE,
_KEY_TAKEPHOTO_BUTTON,
_KEY_STATIC_SPRITES,
_KEY_COUNTDOWN_SPRITES,
];
#How much time each countdown step will take (in ms).
_COUNTDOWN_CLOCK_TIME = 10;
#Layers.
_LAYER_INDEX_STATIC_SPRITE = 1;
_LAYER_INDEX_CAMERA_SPRITE = 2;
_LAYER_INDEX_FRAME_SPRITE = 3;
_LAYER_INDEX_PHOTO_BUTTON = 4;
_LAYER_INDEX_COUNTDOWN_SPRITE = 5;
############################################################################
## CTOR ##
############################################################################
def __init__(self):
BaseScene.__init__(self);
## iVars ##
#Filenames and Content.
self._config_filename = None;
self._config_contents = None;
#UI Elements.
self._countdown_sprite = None;
self._camera_sprite = None;
self._frame_sprite = None;
self._take_photo_button = None;
#Countdown clock.
self._countdown_clock = BasicClock(CameraScene._COUNTDOWN_CLOCK_TIME,
self._on_countdown_timer_tick);
self._camera_sprite_size = None;
############################################################################
## Overriden Methods ##
############################################################################
def start(self):
Logger.instance().log_debug("CameraScene.start");
def end(self):
Logger.instance().log_debug("CameraScene.end");
############################################################################
## Init ##
############################################################################
def init(self):
Logger.instance().log_debug("CameraScene.init");
self._config_filename = scene_manager.SceneManager.instance().get_camera_scene_filename();
#Validate the configuration.
config_dict = config_validation.validate("CameraScene",
self._config_filename,
CameraScene._REQUIRED_KEYS);
self._config_contents = DictHelper(config_dict);
#Init the UI.
self._init_static_sprites();
self._init_camera_sprite();
self._init_frame_sprite();
self._init_buttons();
self._init_countdown_sprite();
def _init_static_sprites(self):
sprite_list = self._config_contents.value_or_die(CameraScene._KEY_STATIC_SPRITES);
for info in sprite_list:
#Create the sprite.
sprite = Sprite();
#Set the sprite properties.
sprite.load_image (info["image" ]);
sprite.set_position(info["position"]);
self._background_sprite = sprite;
#Add to scene.
self.add(sprite, layer = CameraScene._LAYER_INDEX_STATIC_SPRITE);
def _init_camera_sprite(self):
#Initialize the sprite.
self._camera_sprite = Sprite();
#Get the info.
info = self._config_contents.value_or_die(CameraScene._KEY_CAMERA_PLACEHOLDER_SPRITE);
#Set the sprite properties.
self._camera_sprite.load_image (info["image" ]);
self._camera_sprite.set_position(info["position"]);
#Add to scene.
self.add(self._camera_sprite,
layer = CameraScene._LAYER_INDEX_CAMERA_SPRITE);
self._camera_sprite_size = self._camera_sprite.get_size();
def _init_frame_sprite(self):
#Get the info.
info = self._config_contents.value_or_die(CameraScene._KEY_CAMERA_FRAME_SPRITE);
#Don't need the frame...
if(info == False):
return;
#Init the sprite.
self._frame_sprite = Sprite();
#Set the sprite properties.
self._frame_sprite.load_image(info["image"]);
self._frame_sprite.set_position(info["position"]);
#Frame isn't same size of camera image, so scale it.
if(self._frame_sprite.get_size() != self._camera_sprite_size):
frame_image = self._frame_sprite.image;
scaled_image = pygame.transform.scale(frame_image,
self._camera_sprite_size);
self._frame_sprite.update_image(scaled_image);
#Add to scene.
self.add(self._frame_sprite,
layer = CameraScene._LAYER_INDEX_FRAME_SPRITE);
def _init_buttons(self):
#Initialize the button.
self._take_photo_button = Button();
#Get the info.
info = self._config_contents.value_or_die(CameraScene._KEY_TAKEPHOTO_BUTTON);
#Set the button properties.
self._take_photo_button.load_images(info["normal_image"],
info["pressed_image"]);
self._take_photo_button.set_position(info["position"]);
self._take_photo_button.set_click_callback(self._on_take_photo_button_pressed);
#Add to scene.
self.add(self._take_photo_button,
layer = CameraScene._LAYER_INDEX_PHOTO_BUTTON);
def _init_countdown_sprite(self):
#Initialize the Sprite.
self._countdown_sprite = Sprite();
#Get the info.
info = self._config_contents.value_or_die(CameraScene._KEY_COUNTDOWN_SPRITES);
#Set the sprite properties.
self._countdown_sprite.set_position(info["position"]);
self._countdown_sprite.load_image(info["sprites"][0]);
#Countdown is hidden by default.
############################################################################
## Update / Draw / Handle Events Methods ##
############################################################################
def update(self, dt):
self._countdown_clock.update(dt);
img = Camera.instance().get_frame(scale_to = self._camera_sprite_size);
self._camera_sprite.update_image(img);
def handle_events(self, event):
self._take_photo_button.handle_events(event);
############################################################################
## Button Callbacks ##
############################################################################
def _on_take_photo_button_pressed(self):
#Set the UI Elements visibility.
self.remove(self._take_photo_button);
self.add(self._countdown_sprite,
layer = CameraScene._LAYER_INDEX_COUNTDOWN_SPRITE);
#Start the countdown...
self._countdown_clock.start();
############################################################################
## Timer Callbacks ##
############################################################################
def _on_countdown_timer_tick(self):
#Get the info.
info = self._config_contents.value_or_die(CameraScene._KEY_COUNTDOWN_SPRITES);
sprites_list = info["sprites"];
index = self._countdown_clock.get_ticks_count();
#Check if have more countdown images to show...
if(index < len(sprites_list)):
self._countdown_sprite.load_image(sprites_list[index]);
else:
#Reset the image to the first frame and inform that
#the countdown is done.
self._countdown_sprite.load_image(sprites_list[0]);
self._countdown_timer_finished();
############################################################################
## Other Methods ##
############################################################################
def _countdown_timer_finished(self):
#Set the UI Elements visibility.
self.remove(self._countdown_sprite);
self.add(self._take_photo_button,
layer = CameraScene._LAYER_INDEX_PHOTO_BUTTON);
#Stop the countdown...
self._countdown_clock.stop();
#Call the Camera to grab a photo.
Camera.instance().take_photo();
#Go to another scene.
scene_mgr = scene_manager.SceneManager;
scene_mgr.instance().scene_is_complete(scene_mgr.SCENE_NAME_POSTPHOTO);
