def _add_expanded_image (self, wid):
for child in self._expansion_cont.children:
if type (child) == FloatLayout:
self._expansion_cont.remove_widget (child)
self.pre_cont = BoxLayout (size_hint = (1, 1), padding=10, orientation='horizontal')
self.pre_cont.canvas.add (Color (0,0,0,0.75))
self.pre_cont.canvas.add (Rectangle (size=self._expansion_cont.size))
_handler = Scatter ()
_image = Image (source = self._img.source,
keep_ratio =False, allow_stretch=True)
_btn = Button (text='Hide', size_hint = (0.05, 1))
def _center (wid, val):
img_width = val[0]*0.75
img_height = img_width / _image.image_ratio
_image.size = (img_width, img_height)
_image.pos = ((val[0] - img_width)/2, (val[1] - img_height) / 2)
_handler.bind (size=_center)
_btn.bind (on_release =self._rmv_expanded_image)
_handler.add_widget (_image)
self.pre_cont.add_widget (_btn)
self.pre_cont.add_widget (_handler)
self._expansion_cont.add_widget (self.pre_cont)
def create_controller(): #create controller for swiping and pinching in the center # few parameters for scaling # this defines the active area of dragging/zooming normal_scale = 4.5 # amount of pinch for zoom in and out zoom_in_scale = 5.5 zoom_out_scale = 3.5 # distance to drag in x and y direction for action x_sensitive= Window.center[0]/3 y_sensitive = Window.center[1]/3 # Controller(scatter object) that can be scaled and translate controller = Scatter(size_hint = (None,None), do_rotation=False, do_translation=True, do_scale=True, scale = normal_scale, scale_min= zoom_out_scale, scale_max=zoom_in_scale, center = Window.center) # a reference object to show the active area #control_object = Image() #controller.add_widget(control_object) #create microscope control parts microscope_control = microscope_controller() mc.step = 100 # this provides actions when moving and zooming the scatter objects def control_feedback(arg1, arg2): 'the callback functions for controller scatter object' if controller.center[0] - Window.center[0] > x_sensitive: microscope_control.drag_right() elif controller.center[0] - Window.center[0] < -1* x_sensitive: microscope_control.drag_left() elif controller.center[1] - Window.center[1] > y_sensitive: microscope_control.drag_top() elif controller.center[1] - Window.center[1] < -1*y_sensitive: microscope_control.drag_bot() elif controller.scale < zoom_out_scale*1.1: microscope_control.pinch_out() elif controller.scale > zoom_in_scale*0.9: microscope_control.pinch_in() 'after taking actions, reset scatter location and scale' controller.center = Window.center controller.scale = normal_scale # bind a function to controller when release touch controller.bind(on_touch_up = control_feedback) return controller
def create_map_controller(self):
""" A scatter object to manipulate motor movement"""
map_controller = Scatter(
size_hint = (1,1), do_rotation=False, do_translation=True,
do_scale=True,auto_bring_to_front = False)
map_controller.center = Window.center
# automatically determine the size based on screen size
default_scale = Window.height / map_controller.height*1
# determine the size of active area
map_controller.scale = default_scale
# determine the amount of zoom and drag needed before moving
map_controller.scale_max = default_scale*1.2
map_controller.scale_min = default_scale*0.8
# dummy object showing active area
if debug_mode is True:
map_controller.add_widget(Image())
def map_control_feedback(instance, value):
"""the callback functions for map_controller scatter object"""
if debug_mode is True:
if map_controller.center[0] - Window.center[0] > self.drag_x_sensitive:
print('moving x+')
elif map_controller.center[0] - Window.center[0] < -1* self.drag_x_sensitive:
print('moving x-')
elif map_controller.center[1] - Window.center[1] > self.drag_y_sensitive:
print('moving y+')
elif map_controller.center[1] - Window.center[1] < -1* self.drag_y_sensitive:
print('moving y-')
elif map_controller.scale < default_scale*0.9:
print('pinch -')
elif map_controller.scale > default_scale*1.1:
print('pinch +')
elif debug_mode is False:
if map_controller.center[0] - Window.center[0] > self.drag_x_sensitive:
mc.stage_library('move_x', '-')
elif map_controller.center[0] - Window.center[0] < -1* self.drag_x_sensitive:
mc.stage_library('move_x', '+')
elif map_controller.center[1] - Window.center[1] > self.drag_y_sensitive:
mc.stage_library('move_y', '-')
elif map_controller.center[1] - Window.center[1] < -1*self.drag_y_sensitive:
mc.stage_library('move_y', '+')
elif map_controller.scale < default_scale*0.9:
mc.camera_library('zoom_out')
elif map_controller.scale > default_scale*1.1:
mc.camera_library('zoom_in')
#after taking actions, reset scatter location and scale to default
map_controller.center = Window.center
map_controller.scale = default_scale
map_controller.bind(on_touch_up = map_control_feedback)
return map_controller
class ViewerScreen(Screen):
def drawing_toggle(self, *args):
if self.btns[1] == 'ic_action_view_image.png':
self.btns[1] = 'ic_action_view_drawing.png'
self.both.remove_widget(self.overlay)
elif self.btns[1] == 'ic_action_view_drawing.png':
self.btns[1] = 'ic_action_view_image.png'
self.both.add_widget(self.overlay)
app.update_buttons()
def set_image(self, img_fn):
self.image.source = img_fn
app.paint_screen.image.source = img_fn
try:
filesystem.listdir(img_fn + '.overlays')
except:
app.paint_screen.painter.color = (0, 0, 0, 0)
self.btns[1] = None
self.both.remove_widget(self.overlay)
else:
self.btns[1] = 'ic_action_view_image.png'
self.overlay.source = filesystem.join(
img_fn + '.overlays',
filesystem.listdir(img_fn + '.overlays')[-1])
app.paint_screen.painter.color = (1, 1, 1, 1)
app.paint_screen.painter.source = self.overlay.source
try:
self.both.add_widget(self.overlay)
except WidgetException:
pass # The overlay widget may already be added, in which case I don't care.
self.both.scale = 1
self.both.rotation = 0
self.both.pos = [0, 0]
def __init__(self, *args, **kwargs):
super(ViewerScreen, self).__init__(*args, **kwargs)
self.layout = FloatLayout()
self.add_widget(self.layout)
self.image = ImageCanvas(pos_hint={'center_x': 0.5, 'center_y': 0.5})
self.overlay = AsyncImage(pos_hint={'center_x': 0.5, 'center_y': 0.5})
self.both = Scatter(size_hint=[1, 1], do_rotation=False)
self.both.add_widget(self.image)
self.layout.add_widget(self.both)
self.both.bind(size=self.fix_size)
def fix_size(self, *args):
self.image.size = self.both.size
self.overlay.size = self.both.size
def show_gems(self, dt=None, dummy=None):
self.gem_scatters = []
filler = (8 - len(self.weapons)) / 2.0
for i in range(len(self.weapons)):
gem = self.gems[self.weapons[i]]
scatter = Scatter(do_rotation=False, do_scale=False, color=(0,0,0,0), size_hint=(0.1,0.1))
scatter.add_widget(gem)
gem.bind(on_touch_down=self.flash_hero)
scatter.bind(on_touch_up=self.drop_gem)
scatter.pos = ((filler + i) * X_BLOCK, 0)
scatter.scale = 1
try:
self.graphics_widget.add_widget(scatter)
self.gem_scatters.append(scatter)
except:
pass
def create_map_controller():
map_controller = Scatter(
size_hint = (1,1), do_rotation=False, do_translation=True,
do_scale=True, scale = 1, center = Window.center)
# automatically determine the size based on screen size
default_scale = Window.height / map_controller.height*0.75
# determine the size of active area
map_controller.scale = default_scale
# determine the amount of zoom and drag needed before moving
map_controller.scale_max = default_scale*1.2
map_controller.scale_min = default_scale*0.8
x_sensitive = Window.width*0.3
y_sensitive = Window.height*0.3
# dummy object showing active area
map_controller.add_widget(Image())
def map_control_feedback(instance, value):
"""the callback functions for map_controller scatter object"""
if map_controller.center[0] - Window.center[0] > x_sensitive:
#microscope_control.drag_right()
print('moving x+')
elif map_controller.center[0] - Window.center[0] < -1* x_sensitive:
#microscope_control.drag_left()
pass
elif map_controller.center[1] - Window.center[1] > y_sensitive:
#microscope_control.drag_top()
print('moving y+')
elif map_controller.center[1] - Window.center[1] < -1*y_sensitive:
#microscope_control.drag_bot()
pass
elif map_controller.scale < default_scale*0.9:
#microscope_control.pinch_out()
print('pinch')
elif map_controller.scale > default_scale*1.1:
#microscope_control.pinch_in()
pass
#after taking actions, reset scatter location and scale to default
map_controller.center = Window.center
map_controller.scale = default_scale
map_controller.bind(on_touch_up = map_control_feedback)
return map_controller
class ViewerScreen(Screen):
def drawing_toggle(self, *args):
if self.btns[1] == 'ic_action_view_image.png':
self.btns[1] = 'ic_action_view_drawing.png'
self.both.remove_widget(self.overlay)
elif self.btns[1] == 'ic_action_view_drawing.png':
self.btns[1] = 'ic_action_view_image.png'
self.both.add_widget(self.overlay)
app.update_buttons()
def set_image(self, img_fn):
self.image.source = img_fn
app.paint_screen.image.source = img_fn
try:
filesystem.listdir(img_fn+'.overlays')
except:
app.paint_screen.painter.color = (0,0,0,0)
self.btns[1] = None
self.both.remove_widget(self.overlay)
else:
self.btns[1] = 'ic_action_view_image.png'
self.overlay.source = filesystem.join(img_fn+'.overlays', filesystem.listdir(img_fn+'.overlays')[-1])
app.paint_screen.painter.color = (1,1,1,1)
app.paint_screen.painter.source = self.overlay.source
try: self.both.add_widget(self.overlay)
except WidgetException: pass # The overlay widget may already be added, in which case I don't care.
self.both.scale = 1
self.both.rotation = 0
self.both.pos = [0,0]
def __init__(self, *args, **kwargs):
super(ViewerScreen, self).__init__(*args, **kwargs)
self.layout = FloatLayout()
self.add_widget(self.layout)
self.image = ImageCanvas(pos_hint={'center_x': 0.5, 'center_y': 0.5})
self.overlay = AsyncImage(pos_hint={'center_x': 0.5, 'center_y': 0.5})
self.both = Scatter(size_hint=[1,1], do_rotation = False)
self.both.add_widget(self.image)
self.layout.add_widget(self.both)
self.both.bind(size=self.fix_size)
def fix_size(self, *args):
self.image.size = self.both.size
self.overlay.size = self.both.size
def show_popup(self):
if self.popup is not None:
self.popup.dismiss()
desc = FrescoDescription(item=self.item)
count = 0
content = self.item.get('content', '')
if content:
label = Label(text=content)
label.bind(size=update_size)
desc.layout.add_widget(label)
count += 1
media = self.item.get('media', '')
if media:
ext = media.rsplit('.', 1)[-1].lower()
media = join(dirname(__file__), 'data', media)
mediawidget = None
if ext in ('mp3', 'wav', 'ogg'):
mediawidget = FrescoAudio(source=media)
elif ext in ('jpg', 'png', 'jpeg', 'gif', 'bmp', 'tga'):
mediawidget = Image(source=media)
else:
pass
if mediawidget:
count += 1
scatter = Scatter(do_translation=False, do_rotation=False,
min_scale=.4, max_scale=2)
scatter.add_widget(mediawidget)
scatter.bind(size=mediawidget.setter('size'))
desc.layout.add_widget(mediawidget)
desc.media = mediawidget
desc.layout.cols = max(1, count)
desc.layout.height = 500
self.popup = popup = Popup(
title=self.item['title'],
content=desc,
size_hint=(.7, .7))
self.popup.bind(on_dismiss=self.stop_media)
popup.open()
def build(self):
b = BoxLayout(orientation='vertical')
t = TextInput(font_size=150,
size_hint_y=None,
height=200,
text='default')
f = FloatLayout()
s = Scatter()
l = Label(text='default',
font_size=150)
t.bind(text=l.setter('text'))
s.bind(pos=self.callback_pos)
f.add_widget(s)
s.add_widget(l)
b.add_widget(t)
b.add_widget(f)
return b
def create_map_controller():
map_controller = Scatter(
size_hint = (1,1), do_rotation=False, do_translation=True,
do_scale=True)
map_controller.center = Window.center
# automatically determine the size based on screen size
default_scale = Window.height / map_controller.height*1
# determine the size of active area
map_controller.scale = default_scale
# determine the amount of zoom and drag needed before moving
map_controller.scale_max = default_scale*1.1
map_controller.scale_min = default_scale*0.9
x_sensitive = Window.width*0.1
y_sensitive = Window.height*0.2
# dummy object showing active area
#map_controller.add_widget(Image())
def map_control_feedback(instance, value):
"""the callback functions for map_controller scatter object"""
if map_controller.center[0] - Window.center[0] > x_sensitive:
mc.stage_library('move_x', '-')
elif map_controller.center[0] - Window.center[0] < -1* x_sensitive:
mc.stage_library('move_x', '+')
elif map_controller.center[1] - Window.center[1] > y_sensitive:
mc.stage_library('move_y', '-')
elif map_controller.center[1] - Window.center[1] < -1*y_sensitive:
mc.stage_library('move_y', '+')
elif map_controller.scale < default_scale*0.9:
mc.camera_library('zoom_out')
elif map_controller.scale > default_scale*1.1:
mc.camera_library('zoom_in')
#after taking actions, reset scatter location and scale to default
map_controller.center = Window.center
map_controller.scale = default_scale
map_controller.bind(on_touch_up = map_control_feedback)
return map_controller
class Point():
def __init__(self, pos):
self.scatter = Scatter(size_hint=(0.05,0.05), do_rotation=False, do_scale=False)
self.widget = MyPaintWidget()
self.widget.setClass('unclassified')
self.widget.setActive()
self.scatter.x = pos[0]
self.scatter.y = pos[1]
self.scatter.add_widget(self.widget)
def on_move(ob, touch):
ob.x = min(max(ob.x, -10), ob.parent.size[0] + 10)
ob.y = min(max(ob.y, -10), ob.parent.size[1] + 10)
self.scatter.bind(on_touch_up=on_move)
def setOnPress(self, callback):
self.scatter.bind(on_touch_down=callback)
def setInactive(self):
self.widget.setInactive()
def setActive(self):
self.widget.setActive()
def setClassification(self, classification):
self.classification = classification
self.widget.setClass(classification)
def setPos(self, pos):
self.scatter.x = pos[0]
self.scatter.y = pos[1]
def getDisplay(self):
return self.scatter
def getPos(self):
return (self.scatter.x, self.scatter.y)
def show_popup(self):
if self.popup is not None:
self.popup.dismiss()
desc = FrescoDescription(item=self.item)
count = 0
content = self.item.get("content", "")
if content:
label = Label(text=content)
label.bind(size=update_size)
desc.layout.add_widget(label)
count += 1
media = self.item.get("media", "")
if media:
ext = media.rsplit(".", 1)[-1].lower()
media = join(dirname(__file__), "data", media)
mediawidget = None
if ext in ("mp3", "wav", "ogg"):
mediawidget = FrescoAudio(source=media)
elif ext in ("jpg", "png", "jpeg", "gif", "bmp", "tga"):
mediawidget = Image(source=media)
else:
pass
if mediawidget:
count += 1
scatter = Scatter(do_translation=False, do_rotation=False, min_scale=0.4, max_scale=2)
scatter.add_widget(mediawidget)
scatter.bind(size=mediawidget.setter("size"))
desc.layout.add_widget(mediawidget)
desc.media = mediawidget
desc.layout.cols = max(1, count)
desc.layout.height = 500
self.popup = popup = Popup(title=self.item["title"], content=desc, size_hint=(0.7, 0.7))
self.popup.bind(on_dismiss=self.stop_media)
popup.open()
def _update_tabs(self, *l):
self_content = self.content
if not self_content:
return
# cache variables for faster access
tab_pos = self.tab_pos
tab_layout = self._tab_layout
tab_layout.clear_widgets()
scrl_v = ScrollView(size_hint=(None, 1))
tabs = self._tab_strip
parent = tabs.parent
if parent:
parent.remove_widget(tabs)
scrl_v.add_widget(tabs)
scrl_v.pos = (0, 0)
self_update_scrollview = self._update_scrollview
# update scrlv width when tab width changes depends on tab_pos
if self._partial_update_scrollview is not None:
tabs.unbind(width=self._partial_update_scrollview)
self._partial_update_scrollview = partial(
self_update_scrollview, scrl_v)
tabs.bind(width=self._partial_update_scrollview)
# remove all widgets from the tab_strip
self.clear_widgets(do_super=True)
tab_height = self.tab_height
widget_list = []
tab_list = []
pos_letter = tab_pos[0]
if pos_letter == 'b' or pos_letter == 't':
# bottom or top positions
# one col containing the tab_strip and the content
self.cols = 1
self.rows = 2
# tab_layout contains the scrollview containing tabs and two blank
# dummy widgets for spacing
tab_layout.rows = 1
tab_layout.cols = 3
tab_layout.size_hint = (1, None)
tab_layout.height = tab_height
self_update_scrollview(scrl_v)
if pos_letter == 'b':
# bottom
if tab_pos == 'bottom_mid':
tab_list = (Widget(), scrl_v, Widget())
widget_list = (self_content, tab_layout)
else:
if tab_pos == 'bottom_left':
tab_list = (scrl_v, Widget(), Widget())
elif tab_pos == 'bottom_right':
#add two dummy widgets
tab_list = (Widget(), Widget(), scrl_v)
widget_list = (self_content, tab_layout)
else:
# top
if tab_pos == 'top_mid':
tab_list = (Widget(), scrl_v, Widget())
elif tab_pos == 'top_left':
tab_list = (scrl_v, Widget(), Widget())
elif tab_pos == 'top_right':
tab_list = (Widget(), Widget(), scrl_v)
widget_list = (tab_layout, self_content)
elif pos_letter == 'l' or pos_letter == 'r':
# left ot right positions
# one row containing the tab_strip and the content
self.cols = 2
self.rows = 1
# tab_layout contains two blank dummy widgets for spacing
# "vertically" and the scatter containing scrollview
# containing tabs
tab_layout.rows = 3
tab_layout.cols = 1
tab_layout.size_hint = (None, 1)
tab_layout.width = tab_height
scrl_v.height = tab_height
self_update_scrollview(scrl_v)
# rotate the scatter for vertical positions
rotation = 90 if tab_pos[0] == 'l' else -90
sctr = Scatter(do_translation=False,
rotation=rotation,
do_rotation=False,
do_scale=False,
size_hint=(None, None),
auto_bring_to_front=False,
size=scrl_v.size)
sctr.add_widget(scrl_v)
lentab_pos = len(tab_pos)
# Update scatter's top when it's pos changes.
# Needed for repositioning scatter to the correct place after its
# added to the parent. Use clock_schedule_once to ensure top is
# calculated after the parent's pos on canvas has been calculated.
# This is needed for when tab_pos changes to correctly position
# scatter. Without clock.schedule_once the positions would look
# fine but touch won't translate to the correct position
if tab_pos[lentab_pos - 4:] == '_top':
#on positions 'left_top' and 'right_top'
sctr.bind(pos=partial(self._update_top, sctr, 'top', None))
tab_list = (sctr, )
elif tab_pos[lentab_pos - 4:] == '_mid':
#calculate top of scatter
sctr.bind(pos=partial(self._update_top, sctr, 'mid',
scrl_v.width))
tab_list = (Widget(), sctr, Widget())
elif tab_pos[lentab_pos - 7:] == '_bottom':
tab_list = (Widget(), Widget(), sctr)
if pos_letter == 'l':
widget_list = (tab_layout, self_content)
else:
widget_list = (self_content, tab_layout)
# add widgets to tab_layout
add = tab_layout.add_widget
for widg in tab_list:
add(widg)
# add widgets to self
add = self.add_widget
for widg in widget_list:
add(widg)
def _update_tabs(self, *l):
self_content = self.content
if not self_content:
return
# cache variables for faster access
tab_pos = self.tab_pos
tab_layout = self._tab_layout
tab_layout.clear_widgets()
scrl_v = ScrollView(size_hint=(None, 1))
tabs = self._tab_strip
parent = tabs.parent
if parent:
parent.remove_widget(tabs)
scrl_v.add_widget(tabs)
scrl_v.pos = (0, 0)
self_update_scrollview = self._update_scrollview
# update scrlv width when tab width changes depends on tab_pos
if self._partial_update_scrollview is not None:
tabs.unbind(width=self._partial_update_scrollview)
self._partial_update_scrollview = partial(self_update_scrollview,
scrl_v)
tabs.bind(width=self._partial_update_scrollview)
# remove all widgets from the tab_strip
self.clear_widgets(do_super=True)
tab_height = self.tab_height
widget_list = []
tab_list = []
pos_letter = tab_pos[0]
if pos_letter == 'b' or pos_letter == 't':
# bottom or top positions
# one col containing the tab_strip and the content
self.cols = 1
self.rows = 2
# tab_layout contains the scrollview containing tabs and two blank
# dummy widgets for spacing
tab_layout.rows = 1
tab_layout.cols = 3
tab_layout.size_hint = (1, None)
tab_layout.height = tab_height
self_update_scrollview(scrl_v)
if pos_letter == 'b':
# bottom
if tab_pos == 'bottom_mid':
tab_list = (Widget(), scrl_v, Widget())
widget_list = (self_content, tab_layout)
else:
if tab_pos == 'bottom_left':
tab_list = (scrl_v, Widget(), Widget())
elif tab_pos == 'bottom_right':
#add two dummy widgets
tab_list = (Widget(), Widget(), scrl_v)
widget_list = (self_content, tab_layout)
else:
# top
if tab_pos == 'top_mid':
tab_list = (Widget(), scrl_v, Widget())
elif tab_pos == 'top_left':
tab_list = (scrl_v, Widget(), Widget())
elif tab_pos == 'top_right':
tab_list = (Widget(), Widget(), scrl_v)
widget_list = (tab_layout, self_content)
elif pos_letter == 'l' or pos_letter == 'r':
# left ot right positions
# one row containing the tab_strip and the content
self.cols = 2
self.rows = 1
# tab_layout contains two blank dummy widgets for spacing
# "vertically" and the scatter containing scrollview
# containing tabs
tab_layout.rows = 3
tab_layout.cols = 1
tab_layout.size_hint = (None, 1)
tab_layout.width = tab_height
scrl_v.height = tab_height
self_update_scrollview(scrl_v)
# rotate the scatter for vertical positions
rotation = 90 if tab_pos[0] == 'l' else -90
sctr = Scatter(do_translation=False,
rotation=rotation,
do_rotation=False,
do_scale=False,
size_hint=(None, None),
auto_bring_to_front=False,
size=scrl_v.size)
sctr.add_widget(scrl_v)
lentab_pos = len(tab_pos)
# Update scatter's top when it's pos changes.
# Needed for repositioning scatter to the correct place after its
# added to the parent. Use clock_schedule_once to ensure top is
# calculated after the parent's pos on canvas has been calculated.
# This is needed for when tab_pos changes to correctly position
# scatter. Without clock.schedule_once the positions would look
# fine but touch won't translate to the correct position
if tab_pos[lentab_pos - 4:] == '_top':
#on positions 'left_top' and 'right_top'
sctr.bind(pos=partial(self._update_top, sctr, 'top', None))
tab_list = (sctr, )
elif tab_pos[lentab_pos - 4:] == '_mid':
#calculate top of scatter
sctr.bind(
pos=partial(self._update_top, sctr, 'mid', scrl_v.width))
tab_list = (Widget(), sctr, Widget())
elif tab_pos[lentab_pos - 7:] == '_bottom':
tab_list = (Widget(), Widget(), sctr)
if pos_letter == 'l':
widget_list = (tab_layout, self_content)
else:
widget_list = (self_content, tab_layout)
# add widgets to tab_layout
add = tab_layout.add_widget
for widg in tab_list:
add(widg)
# add widgets to self
add = self.add_widget
for widg in widget_list:
add(widg)
class DeckWidget(Widget):
def recalc_pos(self, *args):
"""
Used whenever the Window size changes. The window size sometimes changes rapidly
from full screen when the program is first launched, so this is also ran .5 seconds after __init__.
"""
# Window -> self.parent
self.parent.size = Window.size
self.card_size = (self.parent.size[0] - 40, float(self.parent.size[1] - 40))
self.card_pos = (
(self.parent.size[0] - self.card_size[0]) / 4,
(self.parent.size[1] - self.card_size[1]) / 4,
) # Centered in self.parent
self.card_center = self.parent.center
self.text_position = self.card_center
self.text_content = str(self.deck.selected) if len(self.deck) > 0 else "(Deck is empty)"
self.widgets["card_text"].center = self.card_center
self.widgets["card_text"].text_size = (20, 20)
self.widgets["card_text"].size = (20, 20)
self.widgets["card_text_ref"].center = self.card_center
self.widgets["card_text_ref"].text_size = (20, 20)
self.widgets["card_text_ref"].size = (20, 20)
self.touch_move_counter = 0
self.card_base.size = self.card_size
self.zoom_out_size = (self.card_size[0] * 0.9, self.card_size[1] * 0.9)
self.cardflip_animations = {
"zoom_in": Animation(size=self.card_size, duration=0.5),
"zoom_out": Animation(size=self.zoom_out_size, duration=0.3),
"text_zoom_in": Animation(font_size=sp(15), duration=0.5),
"text_zoom_out": Animation(font_size=sp(12), duration=0.3),
"zoom_in_out": (
Animation(size=self.zoom_out_size, duration=0.3) + Animation(size=self.card_size, duration=0.5)
),
"flip_start": Animation(size=(0, self.zoom_out_size[1]), duration=0.2),
"flip_end": Animation(size=self.zoom_out_size, duration=0.2),
"is_playing": False,
"down_success": False,
}
self.card_snapback_animation = Animation(center=self.card_center, duration=0.1)
self.offscreen_animations = {
"rightward_leave": Animation(center_x=self.card_center[0] * 3, duration=0.2),
"leftward_leave": Animation(center_x=-self.card_center[0], duration=0.2),
"from_side_to_center": Animation(center=self.card_center, duration=0.15),
"fade_out": Animation(opacity=0.5, duration=0.2),
"fade_in": Animation(opacity=1, duration=0.2),
"shrink": Animation(size=(self.card_size[0] * 0.5, self.card_size[1] * 0.5), duration=0.2),
"grow": Animation(size=self.card_size, duration=0.45),
"is_playing": False,
}
self.redraw_card_base()
def __init__(self, f=None):
# COMMENTED OUT aND MANUALLY ADDED FOR ANDROID TESTING PURPOSES
if type(f) == type("a"):
self.deck = Deck([])
if self.deck.add_from_txt(f) == False:
print("LOOOOL: ", f)
# self.deck += Card("Q#Failed to Open File", "A#Try Again...")
else:
self.deck = Deck([])
# print(self.deck)
Widget.__init__(self)
self.card_size = (float(Window.size[0] - 40), float(Window.size[1] - 40))
self.card_center = Window.center
self.text_position = self.card_center
self.text_content = str(self.deck.selected) if not self.deck.is_empty else "(Deck is empty)"
# Creation of Scatter-Rectangle
self.card_base = Scatter(
size=self.card_size,
center=self.card_center,
do_rotation=False,
do_translation_y=False,
scale_min=0.9,
scale_max=1,
)
self.shape = {"card_base_rect": Rectangle(size=self.card_base.size, center=self.card_base.center)}
self.card_base.canvas.before.add(Color(255, 255, 255))
self.card_base.canvas.before.add(self.shape["card_base_rect"])
# Creation of Label Widget
self.widgets = {
"card_text": Label(
center=self.card_center,
halign="center",
valign="middle",
text_size=self.card_size,
font_size=sp(15),
text=self.text_content,
color=[0, 0, 0, 1],
),
"card_text_ref": Label(
center=self.card_center,
halign="center",
valign="middle",
text_size=self.card_size,
font_size=sp(15),
text=self.text_content,
color=[0, 0, 0, 1],
),
}
# Bindings
def update_text(*args):
self.widgets["card_text"].center = self.card_base.center
self.card_base.bind(width=self.redraw_card_base, center_x=update_text)
Window.bind(on_resize=self.recalc_pos, on_rotate=self.recalc_pos)
self.add_widget(self.card_base)
self.add_widget(self.widgets["card_text"], len(self.children))
Clock.schedule_once(self.recalc_pos, 0.5)
def change_card_text(self, new_text):
self.text_content = new_text
self.widgets["card_text"].text = self.text_content
def update_selected_text(self):
self.change_card_text(str(self.deck.get_selected()))
def redraw_card_base(self, *args):
"""
Redraws the card. I had issues with canvas ordering and the text would never be drawn on top of the rectangle
as the rectangle seemed to be always put on top during an animation. So the label widget is removed and redrawn
after the rectangle is removed and redrawn.
This is called every time an animation occurs that modifies the rectangle size.
"""
self.card_base.center = self.card_center
self.remove_widget(self.widgets["card_text"])
self.card_base.canvas.before.remove(self.shape["card_base_rect"])
self.shape["card_base_rect"] = Rectangle(size=self.card_base.size, center=self.card_base.center)
self.card_base.canvas.before.add(self.shape["card_base_rect"])
self.widgets["card_text"] = Label(
center=self.card_center,
size=(20, 20),
font_size=self.widgets["card_text_ref"].font_size,
text=self.text_content,
color=[0, 0, 0, 1],
)
self.add_widget(self.widgets["card_text"])
self.widgets["card_text"].center = self.card_center
def flip_animation(self):
"""
Plays a series of animations that will cause the rectangle to appear to flip. Local functions
are defined for the purpose of being bound when certain animations are complete. This way
I would be able to do things in the background after certain animations are complete
(i.e. when card is at the apex of the flip animation and is hardly visible, I want to
change the stuff on the card in the at_flip_end() function.)
"""
# self.cardflip_animations['zoom_in_out'].start(self.card_base)
card_zoom_a = self.cardflip_animations["zoom_out"]
card_zoom_b = self.cardflip_animations["zoom_in"]
text_zoom = self.cardflip_animations["text_zoom_out"] + self.cardflip_animations["text_zoom_in"]
text_zoom.start(self.widgets["card_text_ref"])
f_e = p = self.cardflip_animations["flip_end"]
f_s = self.cardflip_animations["flip_start"]
def toggle_is_playing(*args):
self.cardflip_animations["is_playing"] = not self.cardflip_animations["is_playing"]
card_zoom_a.stop(self.card_base)
card_zoom_b.stop(self.card_base)
text_zoom.stop(self.card_base)
f_e.stop(self.card_base)
f_s.stop(self.card_base)
card_zoom_b.unbind(on_complete=toggle_is_playing)
card_zoom_a.unbind(on_complete=at_zoom_end)
def final_zoom(*args):
f_e.unbind(on_complete=final_zoom)
card_zoom_b.start(self.card_base)
def at_flip_end(*args):
self.deck.get_selected().flip()
self.update_selected_text()
f_s.unbind(on_complete=at_flip_end)
f_e.bind(on_complete=final_zoom)
f_e.start(self.card_base)
def at_zoom_end(*args):
f_s.bind(on_complete=at_flip_end)
f_s.start(self.card_base)
card_zoom_b.bind(on_complete=toggle_is_playing)
card_zoom_a.bind(on_complete=at_zoom_end)
card_zoom_a.start(self.card_base)
# (self.cardflip_animations['zoom_out']+self.cardflip_animations['zoom_in']).start(self.card_base)
def offscreen_animation(self, right_mode):
"""
Similar to flip animation. When at the end of the first offscreen transition, I'd want to
change the stuff on the card which could be done through the local begin_entrance() functions
"""
ret_to_center = self.offscreen_animations["grow"] & self.offscreen_animations["from_side_to_center"]
z = self.offscreen_animations["shrink"] & self.offscreen_animations["rightward_leave"]
y = self.offscreen_animations["shrink"] & self.offscreen_animations["leftward_leave"]
def toggle_is_playing(*args):
self.offscreen_animations["is_playing"] = False
if right_mode:
def begin_entrance_z(*args):
self.deck.get_selected().reset()
self.deck.prev(self.deck.mode)
self.update_selected_text()
self.card_base.center_x = -self.card_center[0] * 0.4
ret_to_center.bind(on_complete=toggle_is_playing)
ret_to_center.start(self.card_base)
z.bind(on_complete=begin_entrance_z)
z.start(self.card_base)
else: # left mode
def begin_entrance_y(*args):
self.deck.get_selected().reset()
self.deck.next(self.deck.mode)
self.update_selected_text()
self.card_base.center_x = self.card_center[0] * 2.5
ret_to_center.bind(on_complete=toggle_is_playing)
ret_to_center.start(self.card_base)
y.bind(on_complete=begin_entrance_y)
y.start(self.card_base)
def on_touch_up(self, touch):
"""
Goals:
-If the card is touch-released very close (<5px) to the original position, it should play a flip animation.
-When the card is released a bit further, it should transition back to the original position.
-If the card is released at a point where half of it's face is offscreen, the card should
transition off screen and another card should transition on screen.
All of this should not be able to happen again if any animation is already playing.
"""
if not self.deck.is_empty():
if (
self.card_base.center[0] < self.card_center[0] + 5
and self.card_base.center[0] > self.card_center[0] - 5
):
# Do flip animation
if not self.cardflip_animations["is_playing"] and self.cardflip_animations["down_success"]:
self.cardflip_animations["is_playing"] = True
self.flip_animation()
elif self.card_base.center[0] > (self.card_center[0] * 1.65):
# Do offscreen/onscreen transition rightwards
if not self.offscreen_animations["is_playing"]:
self.offscreen_animations["is_playing"] = True
self.offscreen_animation(True)
elif self.card_base.center[0] < (self.card_center[0] * 0.35):
# Do offscreen/onscreen transition leftwards
if self.deck.mode != None:
self.card_snapback_animation.start(self.card_base)
elif not self.offscreen_animations["is_playing"]:
self.offscreen_animations["is_playing"] = True
self.offscreen_animation(False)
else:
# Do transition-to-origin animation
self.card_snapback_animation.start(self.card_base)
# Swipe Emulation - See DeckWidget.on_touch_move()
if self.touch_move_counter < 7 and self.touch_move_counter > 1:
x_difference = self.touch_move_current[0] - self.touch_move_init[0]
y_difference = self.touch_move_current[1] - self.touch_move_init[1]
if x_difference > 5 and x_difference > y_difference:
if not self.offscreen_animations["is_playing"] and not self.cardflip_animations["is_playing"]:
self.offscreen_animations["is_playing"] = True
self.offscreen_animation(True)
elif x_difference < -5 and x_difference < y_difference:
if not self.offscreen_animations["is_playing"] and not self.cardflip_animations["is_playing"]:
self.offscreen_animations["is_playing"] = True
self.offscreen_animation(False)
self.touch_move_counter = 0
def on_touch_move(self, touch):
"""
At the last minute, I noticed how my launcher on my android phone behaves when you swap
the screens. Even if your finger doesn't cover a significant distance. If you swipe quickly
with a clear direction yet very short distance, the screen will change.
It's only when you move your finger slowly with a short distances will the screen bounce back to
the original position. I wanted to try emulating this to an extent; swiping fast should play
the offscreen animations while swiping slow would cause the snapback animation effect.
Also, the swipe must be bigger in the x-direction than it is in the y-direction.
"""
if not self.deck.is_empty():
if self.touch_move_counter == 0:
self.touch_move_init = touch.pos
else:
self.touch_move_current = touch.pos
self.touch_move_counter += 1
def on_touch_down(self, touch):
"""
Dictates what happens when the DeckWidget is clicked/touched but not released yet.
Scatter.on_touch_down() handles sliding (card_base is a Scatter). Also, I only want
this to work if no animations are playing.
"""
if not self.deck.is_empty():
if self.offscreen_animations["is_playing"] == False and self.cardflip_animations["is_playing"] == False:
self.card_base.on_touch_down(touch)
self.cardflip_animations["down_success"] = True
else:
self.cardflip_animations["down_success"] = False
if not self.cardflip_animations["is_playing"]:
self.remove_widget(self.widgets["card_text"])
self.widgets["card_text"] = Label(
center=self.card_base.center,
size=(20, 20),
font_size=sp(15),
text=self.text_content,
color=[0, 0, 0, 1],
)
self.add_widget(self.widgets["card_text"])
self.widgets["card_text"].center = self.card_base.center
class KivySprite:
def __init__(self, parent_widget):
self._parent_widget = parent_widget
self._scatter_widget = Scatter(#self._tapped, # callbacks on all areas
do_rotation=False,
do_scale=False,
do_translation=True)
self._image_widget = Image(source='a.png')
self._scatter_widget.add_widget(self._image_widget)
self._parent_widget.add_widget(self._scatter_widget)
with self._scatter_widget.canvas.before:
Color(1,0,0)
Rectangle(pos=self._scatter_widget.pos, size=self._scatter_widget.size)
self.layer = None
self.visible = True
self.rotation_style = 'all around'
self._scatter_widget.bind(pos=lambda w, p: self._moved())
self._image_widget.bind(on_touch_down=lambda w, t: self._tapped())
# to be overriden by Sprite
def _tapped(self): pass
def _moved(self): pass
def _rotated(self): pass
def _sized(self): pass
@property
def image(self):
return self._image_widget.source
@image.setter
def image(self, value):
self._image_widget.source = value
@property
def position(self):
return self._scatter_widget.pos
@position.setter
def position(self, value):
self._scatter_widget.pos = value
@property
def x(self):
return self.position[0]
@x.setter
def x(self, value):
self._scatter_widget.pos = value - (self._image_widget.size[0]/2), self.y
@property
def y(self):
return self.position[1]
@y.setter
def y(self, value):
self._scatter_widget.pos = self.x, value - (self._image_widget.size[1]/2)
@property
def size(self):
return self._scatter_widget.scale * 100
@size.setter
def size(self, value):
self._scatter_widget.scale = value * 0.01
@property
def direction(self):
return (((self._scatter_widget.rotation + 90) + 179) % 360) - 179
@direction.setter
def direction(self, value):
self._scatter_widget.rotation = value - 90
@property
def draggable(self):
return self._scatter_widget.do_translation
@draggable.setter
def draggable(self, value):
self._scatter_widget.do_translation = value
def glide(self, x, y, time=None): # either x, y, time or sprite, time
if time is None:
time = y
y = x.y
x = x.x
anim = Animation(x=x, y=y, duration=time)
anim.start(self._scatter_widget)
def move(self, steps):
self.x += steps * math.sin(math.radians(self.direction))
self.y += steps * math.cos(math.radians(self.direction))
self._moved()
def point_towards(self, x, y=None): # test
if y is None: # x is a sprite
y = x.y
x = x.x
dy = y - self.y
dx = x - self.x
angle = (-90 if dx < 0 else 90) if dy == 0 else math.degrees(math.atan(dx / dy))
if dy < 0:
angle += 180
self.direction = angle
def touching(self, other_sprite):
return self._image_widget.collide_widget(other_sprite._image_widget)