def test_st7567_contrast(spidev):
"""Test that set_contrast tries to write over SPI."""
from gfxhat import lcd, st7567
lcd.contrast(11)
spidev.SpiDev().writebytes.assert_has_calls(
[mock.call([st7567.ST7567_SETCONTRAST, 11])])
def turn_off(self):
self.clear()
lcd.contrast(0)
backlight.set_all(0, 0, 0)
lcd.show()
backlight.show()
#screen = Screen()
#screen.display("hello", "world")
#screen.turn_off()
def display(self, line1, line2):
lcd.contrast(40)
backlight.set_all(self.led_brightness, self.led_brightness,
self.led_brightness)
backlight.show()
self.draw.text((0, 1), line1, 1, self.font)
self.draw.text((0, 30), line2, 1, self.fontLine2)
self.w, self.h = self.font.getsize(self.line1)
self.x = (self.width - self.w) // 2
self.y = (self.height - self.h) // 2
for self.x in range(128):
for self.y in range(64):
pixel = self.image.getpixel((self.x, self.y))
lcd.set_pixel(self.x, self.y, pixel)
lcd.show()
def drawVolume(self, volume):
"""Draw box at right hand of screen to represent current volume"""
self.volImage = Image.new('1', (self.volWidth, self.volHeight))
self.volDraw = ImageDraw.Draw(self.volImage)
print("volume = %d" % (volume))
self.volDraw.polygon([(0, 0), (0, self.volHeight * volume / 100),
(self.volWidth, self.volHeight * volume / 100),
(self.volWidth, 0)],
fill="#ffffff")
for x in range(self.volWidth):
for y in range(self.volHeight):
pixel = self.volImage.getpixel((x, y))
print(x, y, pixel)
lcd.set_pixel(self.volXoffset + x, self.volYoffset + y, pixel)
lcd.contrast(38)
lcd.show()
def scan_contrast():
for c in range(0, 64):
im = Image.new("1", (128, 64), "black")
im2 = ImageDraw.Draw(im)
im2.text((19, 0), "Contrast: ", 1, font=lm)
position = lm_big.getsize(str(c))
im2.text((64 - (position[0] / 2), 10), str(c), 1, font=lm_big)
for x in range(128):
for y in range(64):
pixel = im.getpixel((x, y))
lcd.set_pixel(x, y, pixel)
lcd.contrast(c)
lcd.show()
time.sleep(0.5)
lcd.clear()
lcd.show()
def scan_contrast():
for c in range(25, 64):
draw.rectangle((0, 0, width, height), "black")
message = "Contrast: {:02d}".format(c)
w, h = font.getsize(message)
left, top = (width - w) / 2, (height - h) / 2
draw.text((left, top), message, 1, font=font)
for x in range(width):
for y in range(height):
pixel = image.getpixel((x, y))
lcd.set_pixel(x, y, pixel)
lcd.contrast(c)
lcd.show()
time.sleep(0.4)
lcd.clear()
lcd.show()
def clear(self):
self.width, self.height = lcd.dimensions()
self.image = Image.new('P', (self.width, self.height))
self.draw = ImageDraw.Draw(self.image)
self.font = ImageFont.truetype(fonts.FredokaOne, 20)
self.fontLine2 = ImageFont.truetype(fonts.PressStart2P, 10)
self.line1 = ""
self.line2 = ""
lcd.contrast(40)
backlight.set_all(self.led_brightness, self.led_brightness,
self.led_brightness)
backlight.show()
self.draw.text((0, 1), self.line1, 1, self.font)
self.draw.text((0, 30), self.line2, 1, self.fontLine2)
self.w, self.h = self.font.getsize(self.line1)
self.x = (self.width - self.w) // 2
self.y = (self.height - self.h) // 2
for self.x in range(128):
for self.y in range(64):
pixel = self.image.getpixel((self.x, self.y))
lcd.set_pixel(self.x, self.y, pixel)
lcd.show()
def drawTime(self):
"""Draw text showing current time on screen"""
self.image = Image.new('1', (self.timeWidth, self.timeHeight))
self.draw = ImageDraw.Draw(self.image)
now = datetime.datetime.now()
text = now.strftime("%H:%M")
w, h = self.timeFont.getsize(text)
#x = (self.timeWidth - w) // 2
#y = (self.timeHeight - h) // 2
x = 0
y = 0
self.draw.text((x, y), text, 1, self.timeFont)
for x in range(self.timeWidth):
for y in range(self.timeHeight):
pixel = self.image.getpixel((x, y))
lcd.set_pixel(x, y, pixel)
lcd.contrast(38)
lcd.show()
position = lm_big.getsize(str(c))
im2.text((64 - (position[0] / 2), 10), str(c), 1, font=lm_big)
for x in range(128):
for y in range(64):
pixel = im.getpixel((x, y))
lcd.set_pixel(x, y, pixel)
lcd.contrast(c)
lcd.show()
time.sleep(0.5)
lcd.clear()
lcd.show()
try:
lcd.contrast(0)
scan_contrast()
lcd.contrast(0)
backlight.set_all(255, 255, 255)
backlight.show()
scan_contrast()
lcd.contrast(0)
backlight.set_all(0, 0, 0)
backlight.show()
print("Done!")
except KeyboardInterrupt:
lcd.contrast(0)
backlight.set_all(0, 0, 0)
if ch == 1:
self.screens[self.active].current_line -= 1
if ch == 0:
self.screens[self.active].current_line += 1
def cleanup():
backlight.set_all(0, 0, 0)
backlight.show()
lcd.clear()
lcd.show()
atexit.register(cleanup)
lcd.contrast(40)
lcd.rotation(180)
screen_collection = ScreenCollection()
# Create a stat screen
screen_collection.add(StatScreen())
# Create a network screen
screen_collection.add(
NetworkScreen([
"eth0", "wg0", "wlan0", "test0", "test1", "test2", "test3", "test4",
"test5", "test6"
],
refresh_ticks=30))