def __init__(self, timezone="Pacific", hour_24=False, auto_dst=True,
sound=False, brightness=1.0, debug=False):
# Input parameters
self._timezone = timezone
self._hour_24_12 = hour_24
self._dst = False
self._auto_dst = auto_dst
self._sound = sound
self._brightness = brightness
# Other parameters
self._message = "PyBadge Clock"
self._colon = True
self._batt_level = 0 # Default battery level
self._label_edits = [] # label edit attributes
self._label_restore_color = [] # for restoring text color values
self._weekday = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
self._month = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec"]
# Load the text font from the fonts folder
self._font_0 = bitmap_font.load_font("/fonts/OpenSans-9.bdf")
self._font_1 = bitmap_font.load_font("/fonts/Helvetica-Bold-36.bdf")
# Instantiate PyBadger instance
self.panel = pybadger
self.panel._neopixels.brightness = 0.1 # Set default NeoPixel brightness
self.panel.pixels.fill(0x000000) # Clear all NeoPixels
self.panel.play_tone(440, 0.1) # A4 welcome tone
# The board's integral display size and element size
WIDTH = board.DISPLAY.width # 160 for PyGamer and PyBadge
HEIGHT = board.DISPLAY.height # 128 for PyGamer and PyBadge
ELEMENT_SIZE = WIDTH // 4 # Size of element_grid blocks in pixels
board.DISPLAY.brightness = self._brightness
# Default colors
self.BLACK = 0x000000
self.RED = 0xFF0000
self.ORANGE = 0xFF8811
self.YELLOW = 0xFFFF00
self.GREEN = 0x00FF00
self.CYAN = 0x00FFFF
self.BLUE = 0x0000FF
self.LT_BLUE = 0x000044
self.VIOLET = 0x9900FF
self.DK_VIO = 0x110022
self.WHITE = 0xFFFFFF
self.GRAY = 0x444455
### Define the display group ###
self._image_group = displayio.Group(max_size=15)
# Create a background color fill layer; image_group[0]
self._color_bitmap = displayio.Bitmap(WIDTH, HEIGHT, 1)
self._color_palette = displayio.Palette(1)
self._color_palette[0] = self.DK_VIO
self._background = displayio.TileGrid(self._color_bitmap,
pixel_shader=self._color_palette,
x=0, y=0)
self._image_group.append(self._background)
self._label_restore_color.append(self.DK_VIO)
self._label_edits.append(None)
# Battery indicator tile grid; image_group[1]
self._sprite_sheet, self._palette = adafruit_imageload.load("/cedargrove_clock_builder/batt_sprite_sheet.bmp",
bitmap=displayio.Bitmap,
palette=displayio.Palette)
self._batt_icon = displayio.TileGrid(self._sprite_sheet,
pixel_shader=self._palette,
width = 1, height = 1,
tile_width = 16, tile_height = 16)
self._batt_icon.x = WIDTH - 16
self._batt_icon.y = 1
self._image_group.append(self._batt_icon)
self._label_restore_color.append(self.BLACK)
self._label_edits.append(None)
### Define labels and values using element grid coordinates
# Colon; image_group[2]
self._clock_digits_colon = Label(self._font_1, text=":",
color=self.WHITE, max_glyphs=1)
self._clock_digits_colon.x = 62
self._clock_digits_colon.y = (HEIGHT // 2) + 10 - 3
self._image_group.append(self._clock_digits_colon)
self._label_restore_color.append(self._clock_digits_colon.color)
self._label_edits.append(None)
# Weekday; image_group[3]
self._clock_wday = Label(self._font_0, text="---",
color=self.YELLOW, max_glyphs=3)
self._clock_wday.x = 21
self._clock_wday.y = 40
self._image_group.append(self._clock_wday)
self._label_restore_color.append(self._clock_wday.color)
self._label_edits.append(None)
# Comma for Month Day (date); image_group[4]
self._clock_comma = Label(self._font_0, text=",",
color=self.YELLOW, max_glyphs=1)
self._clock_comma.x = 99
self._clock_comma.y = 40
self._image_group.append(self._clock_comma)
self._label_restore_color.append(self._clock_comma.color)
self._label_edits.append(None)
# AM/PM indicator; image_group[5]
self._clock_ampm = Label(self._font_0, text="--",
color=self.WHITE, max_glyphs=2)
self._clock_ampm.x = 120
self._clock_ampm.y = (HEIGHT // 2) + 10 - 8
self._image_group.append(self._clock_ampm)
self._label_restore_color.append(self._clock_ampm.color)
self._label_edits.append(None)
# Time Zone indicator; image_group[6]
self._clock_dst = Label(self._font_0, text="---",
color=self.VIOLET, max_glyphs=3)
self._clock_dst.x = 120
self._clock_dst.y = (HEIGHT // 2) + 10 + 8
self._image_group.append(self._clock_dst)
self._label_restore_color.append(self._clock_dst.color)
self._label_edits.append(None)
# Sound indicator; image_group[7]
self._clock_sound = Label(self._font_0, text="-----",
color=self.VIOLET, max_glyphs=5)
self._clock_sound.x = 5
self._clock_sound.y = HEIGHT - 8
self._image_group.append(self._clock_sound)
self._label_restore_color.append(self._clock_sound.color)
self._label_edits.append(("boolean", 0, 1))
# Automatic DST indicator; image_group[8]
self._clock_auto_dst = Label(self._font_0, text="-------",
color=self.VIOLET, max_glyphs=7)
self._clock_auto_dst.x = 104
self._clock_auto_dst.y = HEIGHT - 8
self._image_group.append(self._clock_auto_dst)
self._label_restore_color.append(self._clock_auto_dst.color)
self._label_edits.append(("boolean", 0 , 1))
# Month; image_group[9]
self._clock_month = Label(self._font_0, text="---",
color=self.YELLOW, max_glyphs=3)
self._clock_month.x = 55
self._clock_month.y = 40
self._image_group.append(self._clock_month)
self._label_restore_color.append(self._clock_month.color)
self._label_edits.append(("month", 1, 12))
# Month Day (date); image_group[10]
self._clock_mday = Label(self._font_0, text="--",
color=self.YELLOW, max_glyphs=2)
self._clock_mday.x = 83
self._clock_mday.y = 40
self._image_group.append(self._clock_mday)
self._label_restore_color.append(self._clock_mday.color)
self._label_edits.append(("int2", 1, 31))
# Year; image_group[11]
self._clock_year = Label(self._font_0, text="----",
color=self.YELLOW, max_glyphs=4)
self._clock_year.x = 105
self._clock_year.y = 40
self._image_group.append(self._clock_year)
self._label_restore_color.append(self._clock_year.color)
self._label_edits.append(("int4", 2000, 2037))
# Hour; image_group[12]
self._clock_digits_hour = Label(self._font_1, text="--",
color=self.WHITE, max_glyphs=2)
self._clock_digits_hour.x = 20
self._clock_digits_hour.y = (HEIGHT // 2) + 10
self._image_group.append(self._clock_digits_hour)
self._label_restore_color.append(self._clock_digits_hour.color)
self._label_edits.append(("int2", 0, 23))
# Minutes; image_group[13]
self._clock_digits_min = Label(self._font_1, text="--",
color=self.WHITE, max_glyphs=2)
self._clock_digits_min.x = 74
self._clock_digits_min.y = (HEIGHT // 2) + 10
self._image_group.append(self._clock_digits_min)
self._label_restore_color.append(self._clock_digits_min.color)
self._label_edits.append(("int2", 0, 59))
# Clock Message area; image_group[14]
self._clock_message = Label(self._font_0, text="",
color=self.VIOLET, max_glyphs=20)
self._clock_message.x = 5
self._clock_message.y = 5
self._image_group.append(self._clock_message)
self._label_restore_color.append(self._clock_message.color)
self._label_edits.append(None)
# debug parameters
self._debug = debug
if self._debug:
print("*Init:", self.__class__)
print("*Init: ", self.__dict__)
fonts[i] = cwd + "/fonts/" + filename
print(fonts)
##########################################################################
THE_FONT = fonts[0]
DISPLAY_STRING = "A multi-line-\nexample of\n font bounding!"
WRAP_CHARS = 40
##########################################################################
# Make the display context
splash = displayio.Group()
board.DISPLAY.show(splash)
# Make a background color fill
color_bitmap = displayio.Bitmap(320, 240, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0xFFFFFF
bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
splash.append(bg_sprite)
# Load the font
font = bitmap_font.load_font(THE_FONT)
font.load_glyphs(DISPLAY_STRING.encode("utf-8"))
print(DISPLAY_STRING)
text = Label(font, text=DISPLAY_STRING)
text.x = 20
text.y = 100
text.color = 0x0
def show_badge(self,
*,
background_color=0xFF0000,
foreground_color=0xFFFFFF,
background_text_color=0xFFFFFF,
foreground_text_color=0x000000,
hello_font=terminalio.FONT,
hello_scale=1,
hello_string="HELLO",
my_name_is_font=terminalio.FONT,
my_name_is_scale=1,
my_name_is_string="MY NAME IS",
name_font=terminalio.FONT,
name_scale=1,
name_string="Blinka"):
"""Create a "Hello My Name is"-style badge.
:param background_color: The color of the background. Defaults to 0xFF0000.
:param foreground_color: The color of the foreground rectangle. Defaults to 0xFFFFFF.
:param background_text_color: The color of the "HELLO MY NAME IS" text. Defaults to
0xFFFFFF.
:param foreground_text_color: The color of the name text. Defaults to 0x000000.
:param hello_font: The font for the "HELLO" string. Defaults to ``terminalio.FONT``.
:param hello_scale: The size scale of the "HELLO" string. Defaults to 1.
:param hello_string: The first string of the badge. Defaults to "HELLO".
:param my_name_is_font: The font for the "MY NAME IS" string. Defaults to
``terminalio.FONT``.
:param my_name_is_scale: The size scale of the "MY NAME IS" string. Defaults to 1.
:param my_name_is_string: The second string of the badge. Defaults to "MY NAME IS".
:param name_font: The font for the name string. Defaults to ``terminalio.FONT``.
:param name_scale: The size scale of the name string. Defaults to 1.
:param name_string: The third string of the badge - change to be your name. Defaults to
"Blinka".
"""
splash = displayio.Group(max_size=20)
color_bitmap = displayio.Bitmap(self.display.width,
self.display.height, 1)
color_palette = displayio.Palette(1)
color_palette[0] = background_color
bg_sprite = displayio.TileGrid(color_bitmap,
pixel_shader=color_palette,
x=0,
y=0)
splash.append(bg_sprite)
rect = Rect(0, (int(self.display.height * 0.4)),
self.display.width, (int(self.display.height * 0.5)),
fill=foreground_color)
splash.append(rect)
hello_scale = hello_scale
hello_group = displayio.Group(scale=hello_scale)
hello_label = Label(font=hello_font, text=hello_string)
(_, _, width, height) = hello_label.bounding_box
hello_label.x = ((self.display.width // (2 * hello_scale)) -
width // 2)
hello_label.y = int(height // (1.2 * hello_scale))
hello_label.color = background_text_color
hello_group.append(hello_label)
my_name_is_scale = my_name_is_scale
my_name_is_group = displayio.Group(scale=my_name_is_scale)
my_name_is_label = Label(font=my_name_is_font, text=my_name_is_string)
(_, _, width, height) = my_name_is_label.bounding_box
my_name_is_label.x = ((self.display.width // (2 * my_name_is_scale)) -
width // 2)
my_name_is_label.y = int(height // (0.42 * my_name_is_scale))
my_name_is_label.color = background_text_color
my_name_is_group.append(my_name_is_label)
name_scale = name_scale
name_group = displayio.Group(scale=name_scale)
name_label = Label(font=name_font, text=name_string)
(_, _, width, height) = name_label.bounding_box
name_label.x = ((self.display.width // (2 * name_scale)) - width // 2)
name_label.y = int(height // (0.17 * name_scale))
name_label.color = foreground_text_color
name_group.append(name_label)
group = displayio.Group()
group.append(splash)
group.append(hello_group)
group.append(my_name_is_group)
group.append(name_group)
self.display.show(group)
#----------------------------- Environment Variables #-- EPaper Handling last_refresh_time = 0 min_refresh_rate = 10 display_loop_index = 1 #How often has been the display been updated bitmap_has_update = True #Should the display be updating display_updates_enabled = True # Create a bitmap with two colors # 4 colors are (0,0,0), (82,82,82), (163,163,163), (255,255,255) #number_of_colors = 2 bitmap = displayio.Bitmap(display.width, display.height, 4) # Create a two color palette palette = displayio.Palette(4) # palette[0] = 0x000000 # palette[1] = 0x666666 # palette[2] = 0x999999 # palette[3] = 0xFFFFFF palette[0] = 0x000000 palette[1] = 0x525252 palette[2] = 0xA3A3A3 palette[3] = 0xFFFFFF # Create a TileGrid using the Bitmap and Palette tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette) # Create a Group group = displayio.Group() # Add the TileGrid to the Group
def createPalette(self, colour):
palette = displayio.Palette(1)
palette[0] = colour
return palette
width=WIDTH,
height=HEIGHT,
rowstart=80,
backlight_pin=tft_backlight,
rotation=180)
# Load background image
try:
bg_bitmap, bg_palette = adafruit_imageload.load(BACKGROUND,
bitmap=displayio.Bitmap,
palette=displayio.Palette)
# Or just use solid color
except (OSError, TypeError):
BACKGROUND = BACKGROUND if isinstance(BACKGROUND, int) else 0x000000
bg_bitmap = displayio.Bitmap(WIDTH, HEIGHT, 1)
bg_palette = displayio.Palette(1)
bg_palette[0] = BACKGROUND
background = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette)
# Snowflake setup
flake_bitmap, flake_palette = adafruit_imageload.load(
FLAKE_SHEET, bitmap=displayio.Bitmap, palette=displayio.Palette)
if FLAKE_TRAN_COLOR is not None:
for i, color in enumerate(flake_palette):
if color == FLAKE_TRAN_COLOR:
flake_palette.make_transparent(i)
break
NUM_SPRITES = flake_bitmap.width // FLAKE_WIDTH * flake_bitmap.height // FLAKE_HEIGHT
flake_pos = [0.0] * NUM_FLAKES
flakes = displayio.Group(max_size=NUM_FLAKES)
for _ in range(NUM_FLAKES):
def __init__(self,
width=100,
height=18,
output=False,
value=None,
value_range=65536,
vref=3.3,
labels=False,
font=None,
line_width=2,
tick_width=1,
line_color=None,
scale_color=None,
bg_color=None):
### pylint: disable=too-many-locals
self._palette = displayio.Palette(3)
if bg_color is None:
self._palette.make_transparent(0)
else:
self._palette[0] = bg_color
if line_color is None:
self._palette[
self._LINE_COL_IDX] = WRITE_COLOR if output else READ_COLOR
else:
self._palette[self._LINE_COL_IDX] = line_color
if scale_color is None:
self._palette[
self.
_SCALE_COL_IDX] = WRITE_COLOR_DIM if output else READ_COLOR_DIM
else:
self._palette[self._SCALE_COL_IDX] = scale_color
self._line_scfactor = width - line_width
self._scale_scfactor = width - tick_width
self._value_range = value_range
self._labels = labels
self._font = font
label_height = font.get_bounding_box()[1] if labels and font else 0
scale_height = 5
self._bargraph_line_dob = self._makeLine(
line_width, height - scale_height - label_height - 1,
self._LINE_COL_IDX)
self._bargraph_scale_dob = self._makeScale(vref,
tick_width,
width,
scale_height + label_height,
self._SCALE_COL_IDX,
label_height=label_height,
font=font)
self._bargraph_scale_dob.y = height - scale_height - label_height
self._group = displayio.Group(max_size=2)
self._group.append(self._bargraph_line_dob)
self._group.append(self._bargraph_scale_dob)
self._vref = vref
self._output = output
self._value = None
if value is not None:
self.value = value
# Create the ST7789 display:
display = adafruit_st7789.ST7789(
display_bus,
width=240,
height=240,
rowstart=80,
colstart=0,
rotation=180,
)
group = displayio.Group(max_size=10)
display.show(group)
bitmap = displayio.Bitmap(240, 240, 240)
palette = displayio.Palette(240)
for p in range(240):
palette[p] = (0x010000 * p) + (0x0100 * p) + p
for y in range(240):
for x in range(240):
bitmap[x, y] = y
tileGrid = displayio.TileGrid(bitmap, pixel_shader=palette, x=0, y=0)
group.append(tileGrid)
# Draw a label
text_group = displayio.Group(max_size=10, scale=16, x=10, y=120)
text = "??"
text_area = label.Label(terminalio.FONT, text=text, color=0xFF0000)
text_group.append(text_area) # Subgroup for text scaling
def mandelbrot(WIDTH, HEIGHT, N=256, group=None, CENTER=(-0.5, 0), DIAMX=2.3):
"""
mandelbrot()
return a group with drawing of mandelbrot fractal in it.
Parameters :
WIDTH : width of the bitmap
HEIGHT : height of the bitmap
N : number of iterations, and number of colors (default 256)
group : reuse a group instead of creating a new one
CENTER : tuple containing the center coordinates
DIAMX : "zoom" level, from 2.3 to 0.000027
"""
DIAMY = DIAMX*HEIGHT/WIDTH
XMIN=CENTER[0]-DIAMX/2
XMAX=CENTER[0]+DIAMX/2
YMIN=CENTER[1]-DIAMY/2
YMAX=CENTER[1]+DIAMY/2
dx=(XMAX-XMIN)/WIDTH
dy=(YMAX-YMIN)/HEIGHT
if group is None:
group = displayio.Group()
elif group:
group.pop()
bitmap = displayio.Bitmap(WIDTH, HEIGHT, N)
def ColorMap(p):
sr = sg = sb = 0
if (p < 64):
sr=0 ; sg=p*4 ; sb=255
elif (p < 128):
sr=(p-64)*4 ; sg=255 ; sb=(255-(p-64)*4)
elif (p < 192):
sr=255 ; sg=255 ;sb = (p-128)*4
elif (p < 256):
sr=255 ; sg=(255-(p-191)*4) ; sb= (255-(p-191)*4)
return (sr,sg,sb)
palette = displayio.Palette(N)
for i in range(N):
r=255*i//(N-1)
s=ColorMap(r)
palette[i]=s[0]*2**16+s[1]*2**8+s[2]
palette[0]=0
palette[1]=0xffffff
tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
group.append(tile_grid)
#############################
# Mandelbrot Drawing #
#############################
def mandelbrot_core(creal,cimag,maxiter):
real = creal
imag = cimag
for n in range(maxiter):
real2 = real*real
imag2 = imag*imag
if real2 + imag2 > 4.0:
return n
imag = 2* real*imag + cimag
real = real2 - imag2 + creal
return -1
x=XMIN
print("Start drawing mandelbrot fractal :", CENTER, DIAMX, N)
for xp in range(WIDTH):
y=YMIN
for yp in range(HEIGHT):
bitmap[xp,yp]=mandelbrot_core(x,y,N-1)+1
y += dy
x += dx
#display2.refresh_soon()
return group
def quasicrystal_opt(width, height, N=256, group=None, f=None, p=None, n=None):
"""
# Quasicrystal Pattern Generator
# https://code.activestate.com/recipes/579094-quasicrystal-pattern-generator/
# https://en.wikipedia.org/wiki/Quasicrystal
# http://mainisusuallyafunction.blogspot.com/2011/10/quasicrystals-as-sums-of-waves-in-plane.html
#
N : number of colors (default : 256)
group : displayio.Group object.
f : frequency, int [5-30] (default : random)
p : phase, float [0-pi] (default : random)
n : rotations, int [5-20] (default: random)
(range indicate random range choice)
"""
init = 0
init_calc = 0
time_row = 0
inner = 0
draw = 0
start = time.monotonic()
if group is None:
group = displayio.Group()
elif group:
group.pop()
gc.collect()
pixels = displayio.Bitmap(width, height, N)
palette = displayio.Palette(N)
# corral colors
def ColorMap(p):
sr = sg = sb = 0
if (p < 64):
sr=0 ; sg=p*4 ; sb=255
elif (p < 128):
sr=(p-64)*4 ; sg=255 ; sb=(255-(p-64)*4)
elif (p < 192):
sr=255 ; sg=255 ;sb = (p-128)*4
elif (p < 256):
sr=255 ; sg=(255-(p-191)*4) ; sb= (255-(p-191)*4)
return (sr,sg,sb)
for i in range(N):
r=255*i//(N-1)
s=ColorMap(r)
palette[i]=s[0]*2**16+s[1]*2**8+s[2]
# blue to yellow
#for i in range(N):
# j = int((i/N)*255)
# palette[i]=j*2**16+j*2**8+128-j//2
#palette[0] = 0x000088
# grayscale
#for i in range(N):
#j = 128+int(i*(128/N))
# j = int((i/N)*255)
# palette[i]=j*2**16+j*2**8+j
#palette[0] = 0
tile_grid = displayio.TileGrid(pixels, pixel_shader=palette)
group.append(tile_grid)
if f is None:
f = random.random() * 27 + 8 # frequency
if p is None:
p = random.random() * math.pi # phase
if n is None:
n = random.randint(7, 15) # of rotations
init += time.monotonic() - start
# intermediary calculus
start = time.monotonic()
fp = f + p
rot = 3.14 * 2.0 / n
Nn = (N - 1) / n
#row = ulab.array([i for i in range(width)])
row = ulab.linspace(-6.28, 0, num=width//2)
col = ulab.linspace(-6.28, 0, num=height//2)
#x2 = row * row
#y2 = col * col
ky = 0
init_calc += time.monotonic() - start
for y in col:
s_row = time.monotonic()
#y = ky * h4pi - 6.28
#y2 = y**2
atan = ulab.vector.arctan2( col[ky], row )
#atan = ulab.vector.atan( row / y )
dist = ulab.vector.sqrt((row * row) + (y**2)) * fp
#dist = dist * fp
z = ulab.zeros(width//2)
s_inner = time.monotonic()
for i in range(n):
z = z + ulab.vector.cos(ulab.vector.sin(atan + (i * rot)) * dist)
inner += time.monotonic() - s_inner
z = abs(z * Nn)
time_row += time.monotonic() - s_row
s_draw = time.monotonic()
for i, c in enumerate(z):
pixels[ky*width+i] = int(c)
pixels[ky*width+(width-1 -i)] = int(c)
pixels[(height-1-ky)*width+i] = int(c)
pixels[(height-1-ky)*width+(width-1 -i)] = int(c)
draw += time.monotonic() - s_draw
ky += 1
#gc.collect()
#gc.collect()
print("time report :")
print(" init :", init)
print(" init calc :", init_calc)
print(" rows :", time_row-inner)
print(" inner loop:", inner)
print(" draw :", draw)
return group
def quasicrystal(width, height, N=256, group=None, f=None, p=None, n=None):
"""
# Quasicrystal Pattern Generator
# https://code.activestate.com/recipes/579094-quasicrystal-pattern-generator/
# https://en.wikipedia.org/wiki/Quasicrystal
# http://mainisusuallyafunction.blogspot.com/2011/10/quasicrystals-as-sums-of-waves-in-plane.html
#
N : number of colors (default : 256)
group : displayio.Group object.
f : frequency, int [5-30] (default : random)
p : phase, float [0-pi] (default : random)
n : rotations, int [5-20] (default: random)
(range indicate random range choice)
"""
if group is None:
group = displayio.Group()
elif group:
group.pop()
gc.collect()
pixels = displayio.Bitmap(width, height, N)
palette = displayio.Palette(N)
def ColorMap(p):
sr = sg = sb = 0
if (p < 64):
sr=0 ; sg=p*4 ; sb=255
elif (p < 128):
sr=(p-64)*4 ; sg=255 ; sb=(255-(p-64)*4)
elif (p < 192):
sr=255 ; sg=255 ;sb = (p-128)*4
elif (p < 256):
sr=255 ; sg=(255-(p-191)*4) ; sb= (255-(p-191)*4)
return (sr,sg,sb)
for i in range(N):
r=255*i//(N-1)
s=ColorMap(r)
palette[i]=s[0]*2**16+s[1]*2**8+s[2]
# blue to yellow
#for i in range(N):
# j = int((i/N)*255)
# palette[i]=j*2**16+j*2**8+128-j//2
#palette[0] = 0x000088
# grayscale
#for i in range(N):
#j = 128+int(i*(128/N))
# j = int((i/N)*255)
# palette[i]=j*2**16+j*2**8+j
#palette[0] = 0
tile_grid = displayio.TileGrid(pixels, pixel_shader=palette)
group.append(tile_grid)
if f is None:
f = random.random() * 27 + 8 # frequency
if p is None:
p = random.random() * math.pi # phase
if n is None:
n = random.randint(7, 15) # of rotations
# intermediary calculus
fp = f + p
rot = 3.14 * 2.0 / n
Nn = (N - 1) / n
h4pi = 12.56 / (height - 1)
w4pi = 12.56 / (width - 1)
row = ulab.array([i for i in range(width)])
row = (row * w4pi) - 6.28
for ky in range(height):
y = ky * h4pi - 6.28
y2 = y**2
atan = ulab.vector.atan( row / y )
dist = ulab.vector.sqrt((row * row) + y2) * fp
#dist = dist * fp
z = ulab.zeros(width)
for i in range(n):
z = z + ulab.vector.cos(ulab.vector.sin(atan + (i * rot)) * dist)
z = abs(z * Nn)
for i, c in enumerate(z):
pixels[ky*width+i] = int(c)
gc.collect()
return group
def mandelbrot_ulab(WIDTH, HEIGHT, N=256, group=None, CENTER=(-0.5, 0), DIAMX=2.3):
"""
mandelbrot()
return a group with drawing of mandelbrot fractal in it.
Parameters :
WIDTH : width of the bitmap
HEIGHT : height of the bitmap
N : number of iterations, and number of colors (default 256)
group : reuse a group instead of creating a new one
CENTER : tuple containing the center coordinates
DIAMX : "zoom" level, from 2.3 to 0.000027
"""
DIAMY = DIAMX*HEIGHT/WIDTH
XMIN=CENTER[0]-DIAMX/2
XMAX=CENTER[0]+DIAMX/2
YMIN=CENTER[1]-DIAMY/2
YMAX=CENTER[1]+DIAMY/2
r1 = ulab.linspace(XMIN, XMAX, num=WIDTH)
r2 = ulab.linspace(YMIN, YMAX, num=HEIGHT)
if group is None:
group = displayio.Group()
elif group:
group.pop()
bitmap = displayio.Bitmap(WIDTH, HEIGHT, N)
def ColorMap(p):
sr = sg = sb = 0
if (p < 64):
sr=0 ; sg=p*4 ; sb=255
elif (p < 128):
sr=(p-64)*4 ; sg=255 ; sb=(255-(p-64)*4)
elif (p < 192):
sr=255 ; sg=255 ;sb = (p-128)*4
elif (p < 256):
sr=255 ; sg=(255-(p-191)*4) ; sb= (255-(p-191)*4)
return (sr,sg,sb)
palette = displayio.Palette(N)
for i in range(N):
r=255*i//(N-1)
s=ColorMap(r)
palette[i]=s[0]*2**16+s[1]*2**8+s[2]
palette[0]=0
palette[1]=0xffffff
tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
group.append(tile_grid)
#############################
# Mandelbrot Drawing #
#############################
before = 0
loop = 0
after = 0
print("Start drawing mandelbrot fractal :", CENTER, DIAMX, N)
start = time.monotonic()
for xp in range(WIDTH):
s_before = time.monotonic()
col_z_imag = ulab.array(r2)
x = ulab.ones(HEIGHT)*r1[xp]
x2 = x * x
z2 = col_z_imag * col_z_imag
output = ulab.zeros(HEIGHT, dtype=ulab.int16)
notdone = [True]*HEIGHT
before += time.monotonic() - s_before
s_loop = time.monotonic()
for i in range(N):
z2 = col_z_imag * col_z_imag
x2 = x * x
try:
output[(x2 + z2 ) < 4] = i
except IndexError:
break
#col_z_imag[notdone] = ( ( x * col_z_imag )[notdone] * 2 ) + r2[notdone]
col_z_imag = ( ( x * col_z_imag ) * 2 ) + r2
#x[notdone] = (x2 - z2)[notdone] + r1[xp]
x = (x2 - z2) + r1[xp]
loop += time.monotonic() - s_loop
s_after = time.monotonic()
limit = output >= N-1
if limit.count(True) > 0:
output[limit] = -1
output = output + 1
for yp in range(HEIGHT):
bitmap[xp,yp]= output[yp]
after += time.monotonic() - s_after
print("before :", before)
print("loop :", loop)
print("after :", after)
print("total :", time.monotonic() - start)
return group
def __init__(
self,
font,
x=0,
y=0,
text="",
max_glyphs=None, # This input parameter is ignored, only present for compatibility
# with label.py
color=0xFFFFFF,
background_color=None,
line_spacing=1.25,
background_tight=False,
padding_top=0,
padding_bottom=0,
padding_left=0,
padding_right=0,
anchor_point=None,
anchored_position=None,
save_text=True, # can reduce memory use if save_text = False
scale=1,
**kwargs,
):
# instance the Group
# self Group will contain a single local_group which contains a Group (self.local_group)
# which contains a TileGrid (self.tilegrid) which contains the text bitmap (self.bitmap)
super().__init__(
max_size=1, x=x, y=y, scale=1, **kwargs,
)
# the self group scale should always remain at 1, the self.local_group will
# be used to set the scale
# **kwargs will pass any additional arguments provided to the Label
self.local_group = displayio.Group(
max_size=1, scale=scale
) # local_group holds the tileGrid and sets the scaling
self.append(
self.local_group
) # the local_group will always stay in the self Group
self._font = font
self._text = text
# Create the two-color palette
self.palette = displayio.Palette(2)
self.color = color
self.background_color = background_color
self._anchor_point = anchor_point
self._anchored_position = anchored_position
# call the text updater with all the arguments.
self._reset_text(
font=font,
x=x,
y=y,
text=text,
line_spacing=line_spacing,
background_tight=background_tight,
padding_top=padding_top,
padding_bottom=padding_bottom,
padding_left=padding_left,
padding_right=padding_right,
anchor_point=anchor_point,
anchored_position=anchored_position,
save_text=save_text,
scale=scale,
)
clock=board.CAMERA_PCLK,
vsync=board.CAMERA_VSYNC,
href=board.CAMERA_HREF,
mclk=board.CAMERA_XCLK,
mclk_frequency=20_000_000,
size=adafruit_ov2640.OV2640_SIZE_QQVGA,
)
cam.flip_x = False
cam.flip_y = False
cam.colorspace = adafruit_ov2640.OV2640_COLOR_YUV
qrdecoder = qrio.QRDecoder(cam.width, cam.height)
bitmap = displayio.Bitmap(cam.width, cam.height, 65536)
# Create a greyscale palette
pal = displayio.Palette(256)
for i in range(256):
pal[i] = 0x10101 * i
label = Label(
font=FONT,
text="Scan QR Code...",
color=0xFFFFFF,
background_color=0x0,
padding_top=2,
padding_left=2,
padding_right=2,
padding_bottom=2,
anchor_point=(0.5, 1.0),
anchored_position=(160, 230),
)
def __init__(
self,
font,
*,
x=0,
y=0,
text="",
max_glyphs=None,
color=0xFFFFFF,
background_color=None,
line_spacing=1.25,
background_tight=False,
padding_top=0,
padding_bottom=0,
padding_left=0,
padding_right=0,
anchor_point=None,
anchored_position=None,
scale=1,
**kwargs
):
if not max_glyphs and not text:
raise RuntimeError("Please provide a max size, or initial text")
if not max_glyphs:
max_glyphs = len(text)
# add one to max_size for the background bitmap tileGrid
# instance the Group
# self Group will contain a single local_group which contains a Group (self.local_group)
# which contains a TileGrid
super().__init__(
max_size=1, scale=1, **kwargs
) # The self scale should always be 1
self.local_group = displayio.Group(
max_size=max_glyphs + 1, scale=scale
) # local_group will set the scale
self.append(self.local_group)
self.width = max_glyphs
self._font = font
self._text = None
self._anchor_point = anchor_point
self.x = x
self.y = y
self.height = self._font.get_bounding_box()[1]
self._line_spacing = line_spacing
self._boundingbox = None
self._background_tight = (
background_tight # sets padding status for text background box
)
# Create the two-color text palette
self.palette = displayio.Palette(2)
self.palette[0] = 0
self.palette.make_transparent(0)
self.color = color
self._background_color = background_color
self._background_palette = displayio.Palette(1)
self._added_background_tilegrid = False
self._padding_top = padding_top
self._padding_bottom = padding_bottom
self._padding_left = padding_left
self._padding_right = padding_right
self._scale = scale
if text is not None:
self._update_text(str(text))
if (anchored_position is not None) and (anchor_point is not None):
self.anchored_position = anchored_position
def __init__(
self,
background_color: int = 0x000000,
xrange: Tuple[int, int] = (0, 100),
yrange: Tuple[int, int] = (0, 100),
axes_color: int = 0xFFFFFF,
axes_stroke: int = 1,
tick_color: int = 0xFFFFFF,
major_tick_stroke: int = 1,
major_tick_length: int = 5,
tick_label_font=terminalio.FONT,
font_color: int = 0xFFFFFF,
pointer_radius: int = 1,
pointer_color: int = 0xFFFFFF,
subticks: bool = False,
nudge_x: int = 0,
nudge_y: int = 0,
**kwargs,
) -> None:
super().__init__(**kwargs, max_size=3)
self._background_color = background_color
self._axes_line_color = axes_color
self._axes_line_thickness = axes_stroke
self._tick_color = tick_color
if major_tick_stroke not in range(1, 5):
print("tick thickness must be 1-4 pixels. Defaulting to 1")
self._tick_line_thickness = 1
else:
self._tick_line_thickness = major_tick_stroke
if major_tick_length not in range(1, 9):
print("tick length must be 1-10 pixels. Defaulting to 5")
self._tick_line_height = 5
else:
self._tick_line_height = major_tick_length
self._pointer_radius = pointer_radius
self._pointer_color = pointer_color
self._font = tick_label_font
self._font_color = font_color
self._font_width = self._get_font_height(self._font, 1)[0]
self._font_height = self._get_font_height(self._font, 1)[1]
self._xrange = xrange
self._normx = (self._xrange[1] - self._xrange[0]) / 100
self._valuex = self.width / 100
self._factorx = 100 / (self._xrange[1] - self._xrange[0])
self._yrange = yrange
self._normy = (self._yrange[1] - self._yrange[0]) / 100
self._valuey = self.height / 100
self._factory = 100 / (self._yrange[1] - self._yrange[0])
self._tick_bitmap = displayio.Bitmap(
self._tick_line_thickness, self._tick_line_height, 3
)
self._tick_bitmap.fill(1)
self._subticks = subticks
axesx_height = (
2
+ self._axes_line_thickness
+ self._font_height
+ self._tick_line_height // 2
)
self._axesx_bitmap = displayio.Bitmap(self.width, axesx_height, 4)
self._axesx_bitmap.fill(0)
self._axesy_width = (
2
+ self._axes_line_thickness
+ self._font_width
+ self._tick_line_height // 2
)
self._axesy_bitmap = displayio.Bitmap(self._axesy_width, self.height, 4)
self._axesy_bitmap.fill(0)
self._screen_bitmap = displayio.Bitmap(self.width, self.height, 5)
self._screen_bitmap.fill(5)
self._screen_palette = displayio.Palette(6)
self._screen_palette.make_transparent(0)
self._screen_palette[1] = self._tick_color
self._screen_palette[2] = self._axes_line_color
self._screen_palette[3] = 0x990099
self._screen_palette[4] = 0xFFFFFF
self._screen_palette[5] = self._background_color
self._corner_bitmap = displayio.Bitmap(10, 10, 5)
rectangle_helper(
0,
0,
self._axes_line_thickness,
self._axes_line_thickness,
self._corner_bitmap,
2,
self._screen_palette,
)
self._corner_tilegrid = displayio.TileGrid(
self._corner_bitmap,
pixel_shader=self._screen_palette,
x=-self._axes_line_thickness,
y=self.height,
)
self._axesx_tilegrid = displayio.TileGrid(
self._axesx_bitmap,
pixel_shader=self._screen_palette,
x=0,
y=self.height,
)
self._axesy_tilegrid = displayio.TileGrid(
self._axesy_bitmap,
pixel_shader=self._screen_palette,
x=-self._axesy_width,
y=0,
)
self._screen_tilegrid = displayio.TileGrid(
self._screen_bitmap,
pixel_shader=self._screen_palette,
x=0,
y=0,
)
self._nudge_x = nudge_x
self._nudge_y = nudge_y
self._draw_axes()
self._draw_ticks()
self.append(self._axesx_tilegrid)
self.append(self._axesy_tilegrid)
self.append(self._screen_tilegrid)
self.append(self._corner_tilegrid)
self._update_line = True
self._pointer = None
self._circle_palette = None
self._pointer_vector_shape = None
self.plot_line_point = None
import time
import board
import busio
import adafruit_mlx90640
import displayio
import terminalio
from adafruit_display_text.label import Label
from simpleio import map_range
number_of_colors = 64 # Number of color in the gradian
last_color = number_of_colors - 1 # Last color in palette
palette = displayio.Palette(number_of_colors) # Palette with all our colors
## Heatmap code inspired from: http://www.andrewnoske.com/wiki/Code_-_heatmaps_and_color_gradients
color_A = [
[0, 0, 0],
[0, 0, 255],
[0, 255, 255],
[0, 255, 0],
[255, 255, 0],
[255, 0, 0],
[255, 255, 255],
]
color_B = [[0, 0, 255], [0, 255, 255], [0, 255, 0], [255, 255, 0], [255, 0, 0]]
color_C = [[0, 0, 0], [255, 255, 255]]
color_D = [[0, 0, 255], [255, 0, 0]]
color = color_B
NUM_COLORS = len(color)
import busio
from cytron_edubit import Edubit
from meters import PeakMeter
### Need to create i2c bus at 100kHz until CircuitPython lowers the default
### https://github.com/adafruit/Adafruit_CircuitPython_CLUE/issues/36
edubit = Edubit(i2c=busio.I2C(board.SCL, board.SDA, frequency=100 * 1000))
peak_meter = PeakMeter(edubit.pixels)
display = board.DISPLAY
# Create a heatmap color palette
PALETTE_LEN = 52
palette = displayio.Palette(PALETTE_LEN)
for idx, color in enumerate(
(0xff0000, 0xff0a00, 0xff1400, 0xff1e00, 0xff2800, 0xff3200, 0xff3c00,
0xff4600, 0xff5000, 0xff5a00, 0xff6400, 0xff6e00, 0xff7800, 0xff8200,
0xff8c00, 0xff9600, 0xffa000, 0xffaa00, 0xffb400, 0xffbe00, 0xffc800,
0xffd200, 0xffdc00, 0xffe600, 0xfff000, 0xfffa00, 0xfdff00, 0xd7ff00,
0xb0ff00, 0x8aff00, 0x65ff00, 0x3eff00, 0x17ff00, 0x00ff10, 0x00ff36,
0x00ff5c, 0x00ff83, 0x00ffa8, 0x00ffd0, 0x00fff4, 0x00a4ff, 0x0094ff,
0x0084ff, 0x0074ff, 0x0064ff, 0x0054ff, 0x0044ff, 0x0032ff, 0x0022ff,
0x0012ff, 0x0002ff, 0x0000ff)):
palette[PALETTE_LEN - 1 - idx] = color
class RollingGraph(displayio.TileGrid):
def __init__(self, scale=2):
# Create a bitmap with heatmap colors
) # set the text anchored position to the upper right of the graph
text_label1b = label.Label(font=font,
text=str(sparkline1.y_bottom),
color=0xFFFFFF) # y_bottom label
text_label1b.anchor_point = (0, 0.5) # set the anchorpoint
text_label1b.anchored_position = (
10 + chart_width,
10 + chart_height,
) # set the text anchored position to the upper right of the graph
# Setup the second bitmap and sparkline
# sparkline2 uses a vertical y range between 0 to 1, and will contain a
# maximum of 10 items
#
palette2 = displayio.Palette(1) # color palette used for bitmap2 (one color)
palette2[0] = 0x0000FF
bitmap2 = displayio.Bitmap(chart_width * 2, chart_height * 2,
1) # create bitmap2
tilegrid2 = displayio.TileGrid(bitmap2, pixel_shader=palette2, x=150,
y=10) # Add bitmap2 to tilegrid2
sparkline2 = Sparkline(
width=chart_width * 2,
height=chart_height * 2,
max_items=10,
y_min=0,
y_max=1,
x=150,
y=10,
color=0xFF00FF,
def __init__(self, display=board.DISPLAY):
self._logger = logging.getLogger("Paint")
self._logger.setLevel(logging.DEBUG)
self._display = display
self._w = self._display.width
self._h = self._display.height
self._x = self._w // 2
self._y = self._h // 2
self._splash = displayio.Group(max_size=5)
self._bg_bitmap = displayio.Bitmap(self._w, self._h, 1)
self._bg_palette = displayio.Palette(1)
self._bg_palette[0] = Color.BLACK
self._bg_sprite = displayio.TileGrid(self._bg_bitmap,
pixel_shader=self._bg_palette,
x=0,
y=0)
self._splash.append(self._bg_sprite)
self._palette_bitmap = displayio.Bitmap(self._w, self._h, 5)
self._palette_palette = displayio.Palette(len(Color.colors))
for i, c in enumerate(Color.colors):
self._palette_palette[i] = c
self._palette_sprite = displayio.TileGrid(
self._palette_bitmap, pixel_shader=self._palette_palette, x=0, y=0)
self._splash.append(self._palette_sprite)
self._fg_bitmap = displayio.Bitmap(self._w, self._h, 5)
self._fg_palette = displayio.Palette(len(Color.colors))
for i, c in enumerate(Color.colors):
self._fg_palette[i] = c
self._fg_sprite = displayio.TileGrid(self._fg_bitmap,
pixel_shader=self._fg_palette,
x=0,
y=0)
self._splash.append(self._fg_sprite)
self._number_of_palette_options = len(Color.colors) + 2
self._swatch_height = self._h // self._number_of_palette_options
self._swatch_width = self._w // 10
self._logger.debug('Height: %d', self._h)
self._logger.debug('Swatch height: %d', self._swatch_height)
self._palette = self._make_palette()
self._splash.append(self._palette)
self._display.show(self._splash)
self._display.refresh_soon()
gc.collect()
self._display.wait_for_frame()
self._brush = 0
self._cursor_bitmaps = [
self._cursor_bitmap_1(),
self._cursor_bitmap_3()
]
if hasattr(board, 'TOUCH_XL'):
self._poller = TouchscreenPoller(self._splash,
self._cursor_bitmaps[0])
elif hasattr(board, 'BUTTON_CLOCK'):
self._poller = CursorPoller(self._splash, self._cursor_bitmaps[0])
else:
raise AttributeError('PyPaint requires a touchscreen or cursor.')
self._a_pressed = False
self._last_a_pressed = False
self._location = None
self._last_location = None
self._pencolor = 7
except ImportError:
print("WiFi secrets are kept in secrets.py, please add them there!")
raise
print(" Metro Minimal Clock")
print("Time will be set for {}".format(secrets["timezone"]))
# --- Display setup ---
matrix = Matrix()
display = matrix.display
network = Network(status_neopixel=board.NEOPIXEL, debug=False)
# --- Drawing setup ---
group = displayio.Group() # Create a Group
bitmap = displayio.Bitmap(64, 32,
2) # Create a bitmap object,width, height, bit depth
color = displayio.Palette(4) # Create a color palette
color[0] = 0x000000 # black background
color[1] = 0xFF0000 # red
color[2] = 0xCC4000 # amber
color[3] = 0x85FF00 # greenish
# Create a TileGrid using the Bitmap and Palette
tile_grid = displayio.TileGrid(bitmap, pixel_shader=color)
group.append(tile_grid) # Add the TileGrid to the Group
display.show(group)
if not DEBUG:
font = bitmap_font.load_font("/IBMPlexMono-Medium-24_jep.bdf")
else:
font = terminalio.FONT
def set_background(self, file_or_color, position=None):
"""The background image to a bitmap file.
:param file_or_color: The filename of the chosen background image, or a hex color.
"""
print("Set background to ", file_or_color)
while self._bg_group:
self._bg_group.pop()
if not position:
position = (0, 0) # default in top corner
if not file_or_color:
return # we're done, no background desired
if self._bg_file:
self._bg_file.close()
if isinstance(file_or_color, str): # its a filenme:
self._bg_file = open(file_or_color, "rb")
background = displayio.OnDiskBitmap(self._bg_file)
try:
self._bg_sprite = displayio.TileGrid(
background,
pixel_shader=displayio.ColorConverter(),
position=position,
)
except TypeError:
self._bg_sprite = displayio.TileGrid(
background,
pixel_shader=displayio.ColorConverter(),
x=position[0],
y=position[1],
)
elif isinstance(file_or_color, int):
# Make a background color fill
color_bitmap = displayio.Bitmap(
board.DISPLAY.width, board.DISPLAY.height, 1
)
color_palette = displayio.Palette(1)
color_palette[0] = file_or_color
try:
self._bg_sprite = displayio.TileGrid(
color_bitmap, pixel_shader=color_palette, position=(0, 0)
)
except TypeError:
self._bg_sprite = displayio.TileGrid(
color_bitmap,
pixel_shader=color_palette,
x=position[0],
y=position[1],
)
else:
raise RuntimeError("Unknown type of background")
self._bg_group.append(self._bg_sprite)
try:
board.DISPLAY.refresh(target_frames_per_second=60)
gc.collect()
except AttributeError:
board.DISPLAY.refresh_soon()
gc.collect()
board.DISPLAY.wait_for_frame()
text="calib: ((x_min, x_max), (y_min, y_max))",
color=WHITE,
)
coordinates.anchor_point = (0.5, 0.5)
coordinates.anchored_position = (display.width // 2, display.height // 4)
display_rotation = Label(
font=font_0,
text="rotation: " + str(display.rotation),
color=WHITE,
)
display_rotation.anchor_point = (0.5, 0.5)
display_rotation.anchored_position = (display.width // 2, display.height // 4 - 30)
# Define graphic objects for the screen fill, boundary, and touch pen.
target_palette = displayio.Palette(1)
target_palette[0] = BLUE_DK
screen_fill = vectorio.Rectangle(
pixel_shader=target_palette,
x=2,
y=2,
width=display.width - 4,
height=display.height - 4,
)
target_palette = displayio.Palette(1)
target_palette[0] = RED
boundary = vectorio.Rectangle(
pixel_shader=target_palette,
x=0,
y=0,
print("===========================================")
# GFX Font
font = terminalio.FONT
# Initialize new PyPortal object
pyportal = PyPortal(esp=esp, external_spi=spi)
# Root DisplayIO
root_group = displayio.Group(max_size=100)
display.show(root_group)
BACKGROUND = BACKGROUND if isinstance(BACKGROUND, int) else 0x0
bg_bitmap = displayio.Bitmap(display.width, display.height, 1)
bg_palette = displayio.Palette(1)
bg_palette[0] = BACKGROUND
background = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette)
# Create a new DisplayIO group
splash = displayio.Group(max_size=15)
splash.append(background)
key_group = displayio.Group(scale=5)
# We'll use a default text placeholder for this label
label_secret = Label(font, text="000 000")
label_secret.x = (display.width // 2) // 13
label_secret.y = 17
key_group.append(label_secret)
def __init__(self, display, layout_json):
self.json = layout_json
if "view_type" not in layout_json:
raise MissingTypeError
if layout_json["view_type"] != "Image":
raise IncorrectTypeError(
"view_type '{}' does not match Layout Class 'Image'".format(
layout_json["view_type"]))
self._display = display
if "attributes" in layout_json:
_missing_attrs = []
for attribute in REQUIRED_ATTRIBUTES:
if attribute not in layout_json:
_missing_attrs.append(attribute)
if len(_missing_attrs) > 0:
raise MissingRequiredAttributesError(
"Missing required attributes: {}".format(_missing_attrs))
_image_filepath = None
if "image_file" in layout_json["attributes"]:
_image_filepath = layout_json["attributes"]["image_file"]
_background_color = None
if "background_color" in layout_json["attributes"]:
_background_color = int(
layout_json["attributes"]["background_color"], 16)
_padding_top = 0
if "padding_top" in layout_json["attributes"]:
_padding_top = int(layout_json["attributes"]["padding_top"])
_padding_right = 0
if "padding_right" in layout_json["attributes"]:
_padding_right = int(
layout_json["attributes"]["padding_right"])
_padding_left = 0
if "padding_left" in layout_json["attributes"]:
_padding_left = int(layout_json["attributes"]["padding_left"])
_padding_bottom = 0
if "padding_bottom" in layout_json["attributes"]:
_padding_bottom = int(
layout_json["attributes"]["padding_bottom"])
_padding = 0
if "padding" in layout_json["attributes"]:
_padding = int(layout_json["attributes"]["padding"])
image, palette = adafruit_imageload.load(_image_filepath,
bitmap=displayio.Bitmap,
palette=displayio.Palette)
img_tile_grid = displayio.TileGrid(image, pixel_shader=palette)
group = displayio.Group()
img_tile_grid.x = _padding // 2
img_tile_grid.y = _padding // 2
_width = image.width
_height = image.height
self.width = _width
self.height = _height
if _padding and _background_color:
# Draw a green background
bg_bitmap = displayio.Bitmap(image.width + _padding,
image.height + _padding, 1)
bg_palette = displayio.Palette(1)
bg_palette[0] = _background_color
_width = bg_bitmap.width
_height = bg_bitmap.height
bg_sprite = displayio.TileGrid(bg_bitmap,
pixel_shader=bg_palette,
x=0,
y=0)
group.append(bg_sprite)
_x = 0
if "x" in layout_json["attributes"]:
_x = self.keyword_compiler(layout_json["attributes"]["x"], {
"WIDTH": _width,
"HEIGHT": _height
})
_y = 0
if "y" in layout_json["attributes"]:
_y = self.keyword_compiler(layout_json["attributes"]["y"], {
"WIDTH": _width,
"HEIGHT": _height
})
group.x = _x
group.y = _y
group.append(img_tile_grid)
self.image = group
if "anchor_point" in layout_json["attributes"]:
point = layout_json["attributes"]["anchor_point"]
self.image.anchor_point = (point[0], point[1])
if "anchored_position" in layout_json["attributes"]:
pos = layout_json["attributes"]["anchored_position"]
self.image.anchored_position = (self.keyword_compiler(pos[0]),
self.keyword_compiler(pos[1]))
self.view = self.image
else:
#default attributes
pass
displayio.release_displays()
spi = board.SPI()
tft_cs = board.D9
tft_dc = board.D10
display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
display = HX8357(display_bus, width=480, height=320)
# Make the display context
splash = displayio.Group()
display.show(splash)
color_bitmap = displayio.Bitmap(480, 320, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0x00FF00 # Bright Green
bg_sprite = displayio.TileGrid(color_bitmap,
pixel_shader=color_palette,
x=0,
y=0)
splash.append(bg_sprite)
# Draw a smaller inner rectangle
inner_bitmap = displayio.Bitmap(440, 280, 1)
inner_palette = displayio.Palette(1)
inner_palette[0] = 0xAA0088 # Purple
inner_sprite = displayio.TileGrid(inner_bitmap,
pixel_shader=inner_palette,
x=20,
def __init__(self, display=None):
if display:
self._display = display
else:
try:
self._display = board.DISPLAY
except AttributeError:
raise RuntimeError(
"No display available. One must be provided.")
self._logger = logging.getLogger("Turtle")
self._logger.setLevel(logging.INFO)
self._w = self._display.width
self._h = self._display.height
self._x = self._w // 2
self._y = self._h // 2
self._speed = 6
self._heading = 90
self._logomode = False
self._fullcircle = 360.0
self._degreesPerAU = 1.0
self._mode = "standard"
self._angleOffset = 0
self._splash = displayio.Group(max_size=3)
self._bg_bitmap = displayio.Bitmap(self._w, self._h, 1)
self._bg_palette = displayio.Palette(1)
self._bg_palette[0] = Color.BLACK
self._bg_sprite = displayio.TileGrid(self._bg_bitmap,
pixel_shader=self._bg_palette,
x=0,
y=0)
self._splash.append(self._bg_sprite)
self._fg_bitmap = displayio.Bitmap(self._w, self._h, 5)
self._fg_palette = displayio.Palette(len(Color.colors) + 1)
self._fg_palette.make_transparent(0)
for i, c in enumerate(Color.colors):
self._fg_palette[i + 1] = c
self._fg_sprite = displayio.TileGrid(self._fg_bitmap,
pixel_shader=self._fg_palette,
x=0,
y=0)
self._splash.append(self._fg_sprite)
self._turtle_bitmap = displayio.Bitmap(9, 9, 2)
self._turtle_palette = displayio.Palette(2)
self._turtle_palette.make_transparent(0)
self._turtle_palette[1] = Color.WHITE
for i in range(4):
self._turtle_bitmap[4 - i, i] = 1
self._turtle_bitmap[i, 4 + i] = 1
self._turtle_bitmap[4 + i, 7 - i] = 1
self._turtle_bitmap[4 + i, i] = 1
self._turtle_sprite = displayio.TileGrid(
self._turtle_bitmap,
pixel_shader=self._turtle_palette,
x=-100,
y=-100)
self._drawturtle()
self._splash.append(self._turtle_sprite)
self._penstate = False
self._pencolor = None
self._pensize = 1
self.pencolor(Color.WHITE)
self._display.show(self._splash)
gc.collect()
