Ladies, gentlemen, and comrades, we have a state machine
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1 changed files with 127 additions and 88 deletions
213
inkybot.py
213
inkybot.py
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@ -35,6 +35,9 @@ class Inkybot:
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inky = Inky()
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state = None
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states = {}
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def __init__(self):
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self.font = ImageFont.truetype("fonts/3270NerdFontMono-Regular.ttf", size=self.font_size)
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GPIO.setmode(GPIO.BCM)
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@ -43,25 +46,9 @@ class Inkybot:
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for pin in self.BUTTONS:
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GPIO.add_event_detect(pin, GPIO.FALLING, self.handle_button, bouncetime=250)
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def color_similarity(self, color1, color2):
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return np.sqrt(np.sum((np.array(color1) - np.array(color2)) ** 2))
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# def quantize_image(self, image, reference_palette, similarity_threshold):
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# pixels = image.getdata()
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# new_image = Image.new(image.mode, image.size)
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#
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# # Quantize the image colors only if they're within the similarity range to the reference palette
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# for i, pixel in enumerate(pixels):
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# best_match = min(reference_palette, key=lambda ref_color: color_similarity(ref_color, pixel))
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# if color_similarity(best_match, pixel) <= similarity_threshold:
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# new_image.putpixel((i % image.width, i // image.width), best_match)
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# else:
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# new_image.putpixel((i % image.width, i // image.width), pixel)
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#
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# return new_image
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def least_similar_color(self, color, palette):
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return max(self.palette, key=lambda ref_color: self.color_similarity(ref_color, color))
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@ -101,9 +88,6 @@ class Inkybot:
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original_aspect_ratio = original_width / original_height
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target_aspect_ratio = target_width / target_height
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#print(image.size, resolution)
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#print(original_aspect_ratio, target_aspect_ratio)
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# Calculate resizing factors
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if original_aspect_ratio < target_aspect_ratio:
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# Image is narrower than target, resize based on height
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@ -124,7 +108,6 @@ class Inkybot:
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else:
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x = min(x_max, x_max // 2 + self.font_size)
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letterbox_image = Image.new(image.mode, (target_width, target_height), letterbox_color)
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#letterbox_image.paste(resized_image, ((target_width - new_width) // 2, (target_height - new_height) // 2))
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letterbox_image.paste(resized_image, (x, (target_height - new_height) // 2))
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return letterbox_image
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@ -132,89 +115,145 @@ class Inkybot:
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def handle_button(self,pin):
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label = self.LABELS[self.BUTTONS.index(pin)]
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print(f"Button pressed: {pin} {label}")
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if pin == 24:
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self.skip_img = True
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print("skipping!")
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def go(self):
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if label == 'A':
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self.state.button_a()
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elif label == 'B':
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self.state.button_b()
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elif label == 'C':
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self.state.button_c()
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elif label == 'D':
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self.state.button_d()
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else:
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raise Exception("Unhandled button press!")
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text = "test"
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text_objects = [
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{
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"text": "",
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#"text": "",
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"left": 10,
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"top": 49
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},
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{
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"text": "",
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#"text": "",
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"left": 10,
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"top": 161
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},
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{
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"text": "",
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#"text": "",
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"left": 10,
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"top": 273
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},
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{
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#"text": "",
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"text": "",
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"left": 10,
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"top": 385
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}
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class StateClass:
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button_text = [ "?","?","?","?" ]
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button_positions = [
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(10,49),
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(10,161),
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(10,273),
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(10,385)
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]
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imagelist = []
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font_size = 60
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saturation = 0.7
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def __init__(self, parent):
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self.parent = parent
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# enter and exit functions can be overridden by the child class
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def enter(self):
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pass
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def exit(self):
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pass
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def change_state(self, state):
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self.parent.change_state(state)
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# button_x functions should be overridden by the child class too
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def button_a(self):
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print("Button A")
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def button_b(self):
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print("Button B")
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def button_c(self):
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print("Button C")
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def button_d(self):
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print("Button D")
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def set_image(self, image):
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draw = ImageDraw.Draw(image)
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c = self.parent.least_similar_color(self.parent.average_outer_perimeter_color(image), self.parent.palette)
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c2 = self.parent.least_similar_color(c, self.parent.palette) # hahahahaha what am i thinking
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for i in range(4):
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txt = self.button_text[i]
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x,y = self.button_positions[i]
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text_width, text_height = draw.textsize(txt, font=self.parent.font)
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dy = int(text_height / 2)
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for xx in range(x - 1, x + 2, 1):
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for yy in range(y - 1 - dy, x + 2 - dy, 1):
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draw.text((xx,yy), txt, fill=c, font=self.parent.font)
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draw.text((x,y - dy), txt, fill=c2, font=self.parent.font)
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self.parent.inky.set_image(image, saturation=self.saturation)
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self.parent.inky.show()
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def State(self, name):
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def decorator(c):
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self.states[name] = c(parent = self)
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return c
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return decorator
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def change_state(self, state):
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if self.state:
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self.state.exit()
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self.state = self.states[state]
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self.state.enter()
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def start(self, state):
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self.state = self.states[state]
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self.state.enter()
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while self.exiting is not True:
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self.skip_img = False
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target = time.time() + 60.0
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self.state.loop()
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time.sleep(0.1)
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if len(imagelist) == 0:
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imagelist = os.listdir(self.picpath)
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random.shuffle(imagelist)
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fn = imagelist.pop()
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inkybot = Inkybot()
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@inkybot.State('picture')
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class PictureMode(inkybot.StateClass):
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button_text = [
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"",
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"",
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"",
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""
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]
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font_size = 60
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picpath = '/srv/inkybot/pictures'
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saturation = 0.7
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pic_time = 60.0
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def enter(self):
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self.imagelist = []
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self.next_img = True
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self.time_target = 0.0
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def button_d(self):
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print("changing image...")
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self.next_img = True
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def loop(self):
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if self.time_target <= time.time():
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self.next_img = True
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if self.next_img:
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self.next_img = False
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self.time_target = time.time() + self.pic_time
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if len(self.imagelist) == 0:
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self.imagelist = os.listdir(self.picpath)
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random.shuffle(self.imagelist)
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fn = self.imagelist.pop()
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print(f"Displaying {fn}")
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image = Image.open(f"{self.picpath}/{fn}") # XXX FIXME: os join function instead
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resizedimage = self.resize_with_letterbox(
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resizedimage = self.parent.resize_with_letterbox(
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image,
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self.inky.resolution,
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self.average_outer_perimeter_color(image)
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self.parent.inky.resolution,
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self.parent.average_outer_perimeter_color(image)
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)
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draw = ImageDraw.Draw(resizedimage)
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c = self.least_similar_color(self.average_outer_perimeter_color(image), self.palette)
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c2 = self.least_similar_color(c, self.palette) # hahahahaha what am i thinking
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self.set_image(resizedimage)
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for t in text_objects:
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text_width, text_height = draw.textsize(t["text"], font=self.font)
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dy = int(text_height / 2)
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for x in range(t["left"] - 1, t["left"] + 2, 1):
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for y in range(t["top"] - 1 - dy, t["top"] + 2 - dy, 1):
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draw.text((x,y), t["text"], fill=c, font=self.font)
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draw.text((t["left"],t["top"] - dy), t["text"], fill=c2, font=self.font)
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self.inky.set_image(resizedimage, saturation=self.saturation)
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self.inky.show()
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while time.time() < target and self.skip_img is False:
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time.sleep(0.1)
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if __name__ == "__main__":
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inkybot = Inkybot()
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inkybot.go()
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inkybot.start('picture')
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#inky = auto(ask_user=True, verbose=True)
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# buttons:
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# - hostap vs wpa_supplicant
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# - next image
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# - ??? mode picture vs. status?
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# - ??? music play/pause/skip?
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