async def render_image_from_file(self, icon: str, label: str):
"""
Render the image from file into an image with optional label.
this funckwargstion code is based on the render helper function from the
python-elgato-streamdeck example code.
Missing icons are not rendered.
"""
image = PILHelper.create_image(self.controller.deck)
if icon:
icon_path = self.asset_path / "icons" / icon
if icon_path.is_file():
LOGGER.info(f"Rendering icon {icon}")
icon_image = Image.open(str(icon_path)).convert("RGBA")
icon_image.thumbnail((image.width, image.height - 20), Image.LANCZOS)
icon_pos = ((image.width - icon_image.width) // 2, 0)
image.paste(icon_image, icon_pos, icon_image)
else:
LOGGER.warning(f"Icon {icon} cannot be found")
if label:
LOGGER.debug("Getting font and rendering label")
draw = ImageDraw.Draw(image)
font = await self.get_font(self.label_font, 14)
label_w, _ = draw.textsize(label, font=font)
label_pos = ((image.width - label_w) // 2, image.height - 20)
draw.text(label_pos, text=label, font=font, fill="white")
return PILHelper.to_native_format(self.controller.deck, image)
def create_animation_frames(deck, image_filename):
icon_frames = list()
# Open the source image asset
icon = Image.open(os.path.join(os.path.dirname(__file__), "Assets", image_filename))
# Create a blank key image in the host image format, which we can
# duplicate quickly for each animation frame to save time
blank_image = PILHelper.create_image(deck)
try:
# Extract out each animation frame, resizing and converting to the
# native device image format
while True:
image = blank_image.copy()
# Resize the animation frame and paste it into the new image buffer
icon_frame = icon.convert("RGBA")
icon_frame.thumbnail(image.size, Image.LANCZOS)
icon_frame_pos = ((image.width - icon_frame.width) // 2, (image.height - icon_frame.height) // 2)
image.paste(icon_frame, icon_frame_pos, icon_frame)
# Store the rendered animation frame in the device's native image
# format for later use, so we don't need to keep converting it
icon_frames.append(PILHelper.to_native_format(deck, image))
# Move to next animation frame in the source image
icon.seek(icon.tell() + 1)
except EOFError:
# End of file, all image frames have been extracted
pass
# Return an infinite cycle generator that returns the next animation frame
# each time it is called
return itertools.cycle(icon_frames)
def crop_key_image_from_deck_sized_image(deck, image, key_spacing, key):
key_rows, key_cols = deck.key_layout()
key_width, key_height = deck.key_image_format()['size']
spacing_x, spacing_y = key_spacing
# Determine which row and column the requested key is located on.
row = key // key_cols
col = key % key_cols
# Compute the starting X and Y offsets into the full size image that the
# requested key should display.
start_x = col * (key_width + spacing_x)
start_y = row * (key_height + spacing_y)
# Compute the region of the larger deck image that is occupied by the given
# key, and crop out that segment of the full image.
region = (start_x, start_y, start_x + key_width, start_y + key_height)
segment = image.crop(region)
# Create a new key-sized image, and paste in the cropped section of the
# larger image.
key_image = PILHelper.create_image(deck)
key_image.paste(segment)
return PILHelper.to_native_format(deck, key_image)
def create_animation_frames(deck, image_filename):
icon_frames = list()
# Open the source image asset.
icon = Image.open(os.path.join(ASSETS_PATH, image_filename))
# Iterate through each animation frame of the source image
for frame in ImageSequence.Iterator(icon):
# We need source frames in RGBA format, convert now before we resize it.
icon_frame = frame.convert("RGBA")
# Create new key image of the correct dimensions, black background.
image = PILHelper.create_image(deck)
# Resize the animation frame to best-fit the dimensions of a single key,
# and paste it onto our blank frame centered as closely as possible.
icon_frame.thumbnail(image.size, Image.LANCZOS)
icon_frame_pos = ((image.width - icon_frame.width) // 2, (image.height - icon_frame.height) // 2)
image.paste(icon_frame, icon_frame_pos, icon_frame)
# Store the rendered animation frame in the device's native image
# format for later use, so we don't need to keep converting it.
icon_frames.append(PILHelper.to_native_format(deck, image))
# Return an infinite cycle generator that returns the next animation frame
# each time it is called.
return itertools.cycle(icon_frames)
def _render_key_image(deck,
icon: str = "",
text: str = "",
font: str = DEFAULT_FONT,
**kwargs):
"""Renders an individual key image"""
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
if icon:
rgba_icon = Image.open(icon).convert("RGBA")
else:
rgba_icon = Image.new("RGBA", (300, 300))
icon_width, icon_height = image.width, image.height
if text:
icon_height -= 20
rgba_icon.thumbnail((icon_width, icon_height), Image.LANCZOS)
icon_pos = ((image.width - rgba_icon.width) // 2, 0)
image.paste(rgba_icon, icon_pos, rgba_icon)
if text:
true_font = ImageFont.truetype(os.path.join(FONTS_PATH, font), 14)
label_w, label_h = draw.textsize(text, font=true_font)
if icon:
label_pos = ((image.width - label_w) // 2, image.height - 20)
else:
label_pos = ((image.width - label_w) // 2, (image.height // 2) - 7)
draw.text(label_pos, text=text, font=true_font, fill="white")
return PILHelper.to_native_format(deck, image)
def render_key_image(deck, icon_filename):
image = PILHelper.create_image(deck)
icon = Image.open(ASSETS_PATH + "/" + icon_filename).convert("RGBA")
icon.thumbnail((image.width, image.height - 20), Image.LANCZOS)
icon_pos = ((image.width - icon.width) // 2, 0)
image.paste(icon, icon_pos, icon)
return image
def render_key_image(deck, icon_filename):
# Create new key image of the correct dimensions, black background
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
# Add image overlay, rescaling the image asset if it is too large to fit
# the requested dimensions via a high quality Lanczos scaling algorithm
icon = Image.open(icon_filename).convert("RGBA")
icon.thumbnail((image.width, image.height), Image.LANCZOS)
image.paste(icon)
return PILHelper.to_native_format(deck, image)
def ActualizarImagen(deck, teclas, tecla, limpiar=False):
global folder
image = PILHelper.create_image(deck)
if not limpiar:
nombre = "{}".format(teclas[tecla]['Nombre'])
if 'Regresar' in teclas[tecla]:
if 'ico' in teclas[tecla]:
NombreIcon = "{}".format(teclas[tecla]['ico'])
elif 'ico_Regresar' in data:
NombreIcon = data['ico_Regresar']
else:
NombreIcon = "imagen.png"
elif 'Estado' in teclas[tecla]:
# print("Hay estado {}".format(teclas[tecla]['Estado']))
if teclas[tecla]['Estado'] and 'icon_true' in teclas[tecla]:
NombreIcon = teclas[tecla]['icon_true']
elif not teclas[tecla]['Estado'] and 'icon_false' in teclas[tecla]:
NombreIcon = teclas[tecla]['icon_false']
elif 'ico_defecto' in data:
NombreIcon = data['ico_defecto']
else:
NombreIcon = "imagen.png"
elif 'ico' in teclas[tecla]:
NombreIcon = "{}".format(teclas[tecla]['ico'])
else:
if 'ico_defecto' in data:
NombreIcon = data['ico_defecto']
else:
NombreIcon = "imagen.png"
icon = Image.open(NombreIcon).convert("RGBA")
icon.thumbnail((image.width, image.height - 20), Image.LANCZOS)
icon_posicion = ((image.width - icon.width) // 2, 0)
image.paste(icon, icon_posicion, icon)
titulo = ''
if 'Titulo' in teclas[tecla]:
titulo = "{}".format(teclas[tecla]['Titulo'])
if not titulo == '':
dibujo = ImageDraw.Draw(image)
font = ImageFont.truetype(fuente, 14)
label_w, label_h = dibujo.textsize(titulo, font=font)
label_pos = ((image.width - label_w) // 2, image.height - 20)
dibujo.text(label_pos, text=titulo, font=font, fill="white")
deck.set_key_image(tecla, PILHelper.to_native_format(deck, image))
def test_key_pattern(deck):
test_key_image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(test_key_image)
draw.rectangle((0, 0) + test_key_image.size,
fill=(0x11, 0x22, 0x33),
outline=(0x44, 0x55, 0x66))
test_key_image = PILHelper.to_native_format(deck, test_key_image)
with deck:
deck.open()
deck.set_key_image(0, test_key_image)
deck.close()
def render_key_image(deck, btn):
# Create new key image of the correct dimensions, black background
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
if btn.selected:
draw.rectangle((0, 0, image.width - 1, image.height - 1),
fill=btn.selected_color)
label_w, label_h = draw.textsize(btn.label)
label_pos = ((image.width - label_w) // 2, (image.height - label_h) // 2)
draw.text(label_pos, text=btn.label, fill="white")
return PILHelper.to_native_format(deck, image)
def getAsset(deck, assetFilename):
""" Load an image asset from the given filename.
Returned in the native format of `deck`
"""
image = PILHelper.create_image(deck)
# Resize the source image asset to best-fit the dimensions of a single key,
# and paste it onto our blank frame centered as closely as possible.
icon = Image.open(os.path.join(ASSETS_PATH, assetFilename)).convert("RGBA")
icon.thumbnail((image.width, image.height - 20), Image.LANCZOS)
icon_pos = ((image.width - icon.width) // 2, 0)
image.paste(icon, icon_pos, icon)
return PILHelper.to_native_format(deck, image)
def run(self):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('127.0.0.1', 5555))
s.listen(1)
conn, addr = s.accept()
with conn:
while True:
image = PILHelper.create_image(deck)
frame = conn.recv(11664)
if not frame:
break
video = Image.frombytes('RGB', (72, 54), frame, 'raw')
image.paste(video, (0, 0))
deck.set_key_image(14, PILHelper.to_native_format(deck, image))
async def render_clock_number(self, number: int) -> Image.Image:
LOGGER.info(f"Rendering number {number}")
image = PILHelper.create_image(self.controller.deck)
text = f"{number:02d}"
font = await self.get_font(self.label_font, 50)
draw = ImageDraw.Draw(image)
w, _h = draw.textsize(text, font=font)
h_pos = image.height // 8
pos = ((image.width - w) // 2, h_pos)
draw.text(pos, text=text, font=font, fill="white")
return PILHelper.to_native_format(self.controller.deck, image)
def getCharacterAsset(deck, character, background='black', color='white'):
if character in characterAssets:
return characterAssets[character]
image = PILHelper.create_image(deck, background=background)
# Load a custom TrueType font and use it to overlay the key index, draw key
# label onto the image.
draw = ImageDraw.Draw(image)
font = ImageFont.truetype(os.path.join(ASSETS_PATH, FONT_NAME), 96)
label_w, label_h = draw.textsize(character, font=font)
label_pos = (0, 0) #((image.width - label_w) // 2, image.height - 20)
draw.text(label_pos, text=character, font=font, fill=color)
nativeImage = PILHelper.to_native_format(deck, image)
characterAssets[character] = nativeImage
return nativeImage
def _render_key_image(deck,
icon: str = "",
text: str = "",
font: str = DEFAULT_FONT,
**kwargs):
"""Renders an individual key image and returns
it as a PIL image"""
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
if icon:
try:
kind = filetype.guess(icon)
if kind is None:
svg_code = open(icon).read()
png = cairosvg.svg2png(svg_code,
output_height=72,
output_width=72)
image_file = BytesIO(png)
rgba_icon = Image.open(image_file)
else:
rgba_icon = Image.open(icon).convert("RGBA")
except (OSError, IOError) as icon_error:
print(f"Unable to load icon {icon} with error {icon_error}")
rgba_icon = Image.new("RGBA", (300, 300))
else:
rgba_icon = Image.new("RGBA", (300, 300))
icon_width, icon_height = image.width, image.height
if text:
icon_height -= 20
rgba_icon.thumbnail((icon_width, icon_height), Image.LANCZOS)
icon_pos = ((image.width - rgba_icon.width) // 2, 0)
image.paste(rgba_icon, icon_pos, rgba_icon)
if text:
true_font = ImageFont.truetype(os.path.join(FONTS_PATH, font), 14)
label_w, label_h = draw.textsize(text, font=true_font)
if icon:
label_pos = ((image.width - label_w) // 2, image.height - 20)
else:
label_pos = ((image.width - label_w) // 2, (image.height // 2) - 7)
draw.text(label_pos, text=text, font=true_font, fill="white")
return image
def getInitializedDeck(initBrightness=30, deviceNum=0, background='black'):
""" Initialize and return the first stream deck device or None. """
streamdecks = DeviceManager().enumerate()
if streamdecks and len(streamdecks) >= deviceNum + 1:
deck = streamdecks[deviceNum]
deck.open()
deck.reset()
deck.set_brightness(initBrightness)
# Blank background of provided color
keyImage = PILHelper.to_native_format(
deck, PILHelper.create_image(deck, background))
for keyNum in range(deck.key_count()):
deck.set_key_image(keyNum, keyImage)
return deck
print("Unable to open any stream deck devices.")
return None
def __getitem__(self, key):
if self._pixels is None:
image = PILHelper.create_image(self._deck, background=self._color)
l_x, l_y, l_w, l_h = self._draw_label(image)
v_x, v_y, v_w, v_h = self._draw_value(image)
o_x = 0
o_y = (l_y or 0) + (l_h or 0)
o_w = image.width
o_h = (v_y or image.height) - o_y
overlay_pos = (int(o_x), int(o_y))
overlay_size = (int(o_w), int(o_h))
self._draw_overlay(image, overlay_pos, overlay_size)
self._pixels = PILHelper.to_native_format(self._deck, image)
return self._pixels[key]
def render_key_image(deck, icon_filename, font_filename, label_text, fill):
# Create new key image of the correct dimensions, black background.
image = PILHelper.create_image(deck)
# Resize the source image asset to best-fit the dimensions of a single key,
# and paste it onto our blank frame centered as closely as possible.
icon = Image.open(icon_filename).convert("RGBA")
icon.thumbnail((image.width, image.height), Image.LANCZOS)
icon_pos = ((image.width - icon.width) // 2, (image.height - icon.height) // 2)
image.paste(icon, icon_pos, icon)
# Load a custom TrueType font and use it to overlay the key index, draw key
# label onto the image.
draw = ImageDraw.Draw(image)
font = ImageFont.truetype(font_filename, 14)
label_w, label_h = draw.textsize(label_text, font=font)
label_pos = ((image.width - label_w) // 2, image.height - 20)
draw.text(label_pos, text=label_text, font=font, fill=fill)
return PILHelper.to_native_format(deck, image)
def crop_key_image_from_deck_sized_image(deck, image, key):
key_width, key_height = deck.key_image_format()['size']
key_rows, key_cols = deck.key_layout()
# Determine which row and column the requested key is located on.
row = key // key_cols
col = key % key_cols
# Compute the region of the larger deck image that is occupied by the given
# key.
region = (col * key_width, row * key_height, (col + 1) * key_width,
(row + 1) * key_height)
segment = image.crop(region)
# Create a new key-sized image, and paste in the cropped section of the
# larger image.
key_image = PILHelper.create_image(deck)
key_image.paste(segment)
return PILHelper.to_native_format(deck, key_image)
def render_key_image(deck, icon_filename, font_filename, label_text):
# Create new key image of the correct dimensions, black background
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
# Add image overlay, rescaling the image asset if it is too large to fit
# the requested dimensions via a high quality Lanczos scaling algorithm
icon = Image.open(icon_filename).convert("RGBA")
icon.thumbnail((image.width, image.height - 20), Image.LANCZOS)
icon_pos = ((image.width - icon.width) // 2, 0)
image.paste(icon, icon_pos, icon)
# Load a custom TrueType font and use it to overlay the key index, draw key
# label onto the image
font = ImageFont.truetype(font_filename, 14)
label_w, label_h = draw.textsize(label_text, font=font)
label_pos = ((image.width - label_w) // 2, image.height - 20)
draw.text(label_pos, text=label_text, font=font, fill="white")
return PILHelper.to_native_format(deck, image)
def render_key(config, deck, icon_filename, font_filename, label):
image = PILHelper.create_image(deck)
has_label = label is not None and label != ""
# Render the image in case it exists.
if os.path.exists(icon_filename):
icon = Image.open(icon_filename).convert("RGBA")
image_height = image.height - 20 if has_label else image.height - 5
image_width = image.width if has_label else image.width - 2
icon.thumbnail((image_width, image_height), Image.LANCZOS)
icon_pos = ((image.width - icon.width) // 2, 0)
image.paste(icon, icon_pos, icon)
# Render the label.
if has_label:
draw = ImageDraw.Draw(image)
font = ImageFont.truetype(font_filename, config.font_size)
label_w, label_h = draw.textsize(label, font=font)
label_pos = ((image.width - label_w) // 2, image.height - 20)
draw.text(label_pos, text=label, font=font, fill="white")
return PILHelper.to_native_format(deck, image)
def ActualizarIcono(Deck, indice, accion):
global FuenteIcono
global ImagenBase
global ListaImagenes
ColorFondo = "black"
imagenFondo = None
if "imagen_opciones" in accion:
opciones = accion["imagen_opciones"]
if "fondo" in opciones:
ColorFondo = opciones["fondo"]
if "imagen" in opciones:
imagenFondo = opciones["imagen"]
ImagenBoton = PILHelper.create_image(Deck, background=ColorFondo)
if imagenFondo is not None:
PonerImagen(ImagenBoton, imagenFondo, accion, Deck.Folder, True)
DirecionImagen = BuscarDirecionImagen(accion)
if DirecionImagen is not None:
if DirecionImagen.endswith(".gif"):
# TODO: Meter proceso gif adentro
return None
PonerImagen(ImagenBoton, DirecionImagen, accion, Deck.Folder)
if "cargar_titulo" in accion:
TextoCargar = accion["cargar_titulo"]
if "archivo" in TextoCargar and "atributo" in TextoCargar:
accion["titulo"] = ObtenerValor(TextoCargar["archivo"],
TextoCargar["atributo"])
if "titulo" in accion:
PonerTexto(ImagenBoton, accion, DirecionImagen)
Deck.set_key_image(indice, PILHelper.to_native_format(Deck, ImagenBoton))
def render_key_image(deck, icon_filename, title, value):
# Create new key image of the correct dimensions, black background
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
# Add image overlay, rescaling the image asset if it is too large to fit
# the requested dimensions via a high quality Lanczos scaling algorithm
if icon_filename:
icon = Image.open(icon_filename).convert("RGBA")
icon.thumbnail((image.width, image.height), Image.LANCZOS)
image.paste(icon)
if value:
font = ImageFont.truetype('arial', 22)
draw.text((image.width - 5, image.height / 2),
text=str(int(value)), font=font, anchor="rs", fill="white")
if title:
font = ImageFont.truetype('arial', 12)
draw.text((image.width / 2, image.height - 5), text=title,
font=font, anchor="ms", fill="white")
return PILHelper.to_native_format(deck, image)
def test_basic_apis(deck):
with deck:
deck.open()
connected = deck.connected() # noqa: F841
deck_id = deck.id() # noqa: F841
key_count = deck.key_count() # noqa: F841
deck_type = deck.deck_type() # noqa: F841
key_layout = deck.key_layout() # noqa: F841
image_format = deck.key_image_format() # noqa: F841
key_states = deck.key_states() # noqa: F841
deck.set_key_callback(None)
deck.reset()
deck.set_brightness(30)
test_key_image = PILHelper.create_image(deck)
test_key_image = PILHelper.to_native_format(deck, test_key_image)
deck.set_key_image(0, None)
deck.set_key_image(0, test_key_image)
deck.close()
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
manager = DeviceManager(transport="dummy")
streamdecks = manager.enumerate()
print("Got {} Dummy Stream Deck(s).\n".format(len(streamdecks)),
flush=True)
for index, deck in enumerate(streamdecks):
deck.open()
connected = deck.connected()
deck_id = deck.id()
key_count = deck.key_count()
deck_type = deck.deck_type()
key_layout = deck.key_layout()
image_format = deck.key_image_format()
key_states = deck.key_states()
test_key_image = PILHelper.create_image(deck)
test_key_image = PILHelper.to_native_format(deck, test_key_image)
deck.set_key_callback(None)
deck.reset()
deck.set_brightness(30)
deck.set_key_image(0, test_key_image)
deck.close()
def test_pil_helpers(deck):
test_scaled_image = PILHelper.create_scaled_image(
deck, Image.new("RGB", (1, 1))) # noqa: F841
test_key_image = PILHelper.create_image(deck)
test_key_image = PILHelper.to_native_format(deck, test_key_image)
def LimpiarIcono(Deck, indice):
ImagenBoton = PILHelper.create_image(Deck)
Deck.set_key_image(indice, PILHelper.to_native_format(Deck, ImagenBoton))
def _render_key_image(
deck,
selectedFont: str = "Open_Sans",
textAlign: str = "Cetner",
fontSize: int = 14,
fontColor: str = "white",
icon: str = "",
text: str = "",
font: str = DEFAULT_FONT,
**kwargs,
):
"""Renders an individual key image"""
image = PILHelper.create_image(deck)
draw = ImageDraw.Draw(image)
if icon:
try:
rgba_icon = Image.open(icon).convert("RGBA")
except (OSError, IOError) as icon_error:
print(f"Unable to load icon {icon} with error {icon_error}")
rgba_icon = Image.new("RGBA", (300, 300))
else:
rgba_icon = Image.new("RGBA", (300, 300))
icon_width, icon_height = image.width, image.height
if text:
icon_height -= 20
rgba_icon.thumbnail((icon_width, icon_height), Image.LANCZOS)
icon_pos = ((image.width - rgba_icon.width) // 2, 0)
image.paste(rgba_icon, icon_pos, rgba_icon)
if text:
text = text.replace("\\n", "\n")
if selectedFont == "Goblin_One":
true_font = ImageFont.truetype(
os.path.join(FONTS_PATH, os.path.join("Goblin_One", "GoblinOne-Regular.ttf")),
fontSize,
)
elif selectedFont == "Open_Sans":
true_font = ImageFont.truetype(
os.path.join(FONTS_PATH, os.path.join("Open_Sans", "OpenSans-Regular.ttf")),
fontSize,
)
elif selectedFont == "Roboto":
true_font = ImageFont.truetype(
os.path.join(FONTS_PATH, os.path.join("roboto", "Roboto-Regular.ttf")), fontSize
)
elif selectedFont == "Lobster":
true_font = ImageFont.truetype(
os.path.join(FONTS_PATH, os.path.join("Lobster", "Lobster-Regular.ttf")), fontSize
)
elif selectedFont == "Anton":
true_font = ImageFont.truetype(
os.path.join(FONTS_PATH, os.path.join("Anton", "Anton-Regular.ttf")), fontSize
)
elif selectedFont == "Pacifico":
true_font = ImageFont.truetype(
os.path.join(FONTS_PATH, os.path.join("Pacifico", "Pacifico-Regular.ttf")), fontSize
)
label_w, label_h = draw.textsize(text, font=true_font)
if icon:
label_pos = ((image.width - label_w) // 2, image.height - 20)
else:
label_pos = ((image.width - label_w) // 2, (image.height // 2) - 7)
draw.text(label_pos, align=textAlign, text=text, font=true_font, fill=fontColor)
return PILHelper.to_native_format(deck, image)