80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
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"""
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Core classes for loading images and converting them to a Texture.
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The raw image data can be keep in memory for further access
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"""
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import hashlib
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from io import BytesIO
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from PIL import Image
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from kivy.core.image import Image as CoreImage
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from kivy.uix.image import Image as kiImage
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# constants
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RESOLUTION = 300, 300
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V_RESOLUTION = 7, 7
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BACKGROUND_COLOR = 255, 255, 255, 255
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MODE = "RGB"
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def generate(Generate_string=None):
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"""Generating string"""
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hash_string = generate_hash(Generate_string)
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color = random_color(hash_string)
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image = Image.new(MODE, V_RESOLUTION, BACKGROUND_COLOR)
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image = generate_image(image, color, hash_string)
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image = image.resize(RESOLUTION, 0)
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data = BytesIO()
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image.save(data, format='png')
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data.seek(0)
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# yes you actually need this
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im = CoreImage(BytesIO(data.read()), ext='png')
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beeld = kiImage()
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# only use this line in first code instance
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beeld.texture = im.texture
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return beeld
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def generate_hash(string):
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"""Generating hash"""
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try:
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# make input case insensitive
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string = str.lower(string)
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hash_object = hashlib.md5(str.encode(string))
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print(hash_object.hexdigest())
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# returned object is a hex string
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return hash_object.hexdigest()
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except IndexError:
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print("Error: Please enter a string as an argument.")
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def random_color(hash_string):
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"""Getting random color"""
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# remove first three digits from hex string
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split = 6
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rgb = hash_string[:split]
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split = 2
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r = rgb[:split]
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g = rgb[split:2 * split]
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b = rgb[2 * split:3 * split]
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color = (int(r, 16), int(g, 16), int(b, 16), 0xFF)
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return color
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def generate_image(image, color, hash_string):
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"""Generating images"""
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hash_string = hash_string[6:]
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lower_x = 1
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lower_y = 1
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upper_x = int(V_RESOLUTION[0] / 2) + 1
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upper_y = V_RESOLUTION[1] - 1
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limit_x = V_RESOLUTION[0] - 1
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index = 0
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for x in range(lower_x, upper_x):
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for y in range(lower_y, upper_y):
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if int(hash_string[index], 16) % 2 == 0:
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image.putpixel((x, y), color)
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image.putpixel((limit_x - x, y), color)
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index = index + 1
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return image
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