pi-dichotomy update
This commit is contained in:
Klemek
@@ -0,0 +1 @@
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/.idea/
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+147
-124
@@ -59,6 +59,10 @@ def save_byte(name, data):
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f.write(bytearray(data))
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def get_int(b):
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return int((b * 8)[:8], 2)
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def n2b(num, nbyte=4):
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b = []
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for i in range(nbyte):
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@@ -151,139 +155,158 @@ def get_data(b):
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def get_bw_bmp_data(b, width):
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return get_grey_bmp_data(b, width, 1)
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def get_grey_bmp_data(b, width, l):
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data = []
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for n in range(width * width):
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c = 0
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if b[n] == '1':
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c = 255
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c = get_int(b[n * l:(n + 1) * l])
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data += [c, c, c] # grey
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return data
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def get_grey_bmp_data(b, width):
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def get_color_bmp_data(b, width, l):
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data = []
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for n in range(width * width):
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c = b[n * 8:(n + 1) * 8]
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data += [int(c, 2), int(c, 2), int(c, 2)] # grey
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for n in range(int(width * width)):
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c1 = get_int(b[(3 * n) * l:(3 * n + 1) * l])
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c2 = get_int(b[(3 * n + 1) * l:(3 * n + 2) * l])
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c3 = get_int(b[(3 * n + 2) * l:(3 * n + 3) * l])
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data += [c1, c2, c3] # grey
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return data
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DIGIT_FILE = "pi1000000.txt"
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BIN_FILE = "pi1000000bin.txt"
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def main():
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DIGIT_FILE = "pi1000000.txt"
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BIN_FILE = "pi1000000bin.txt"
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bpi = ""
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if os.path.isfile(BIN_FILE):
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print("loading dichotomy...")
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bpi = load(BIN_FILE)
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elif os.path.isfile(DIGIT_FILE):
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print("computing dichotomy (this might take a while)...")
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bpi = do_dich(DIGIT_FILE)
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print("saving dichotomy...")
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save(BIN_FILE, bpi)
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else:
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print(DIGIT_FILE, "was not found")
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exit(1)
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print(len(bpi), "bits of dichotomy in memory")
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print()
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print("verifying dichotomy...")
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if not (verify_dich(bpi)):
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print("could not verify dichotomy you may delete the file ", BIN_FILE)
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exit(1)
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print()
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print("modes :")
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print("1:binary file")
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print("2:black & white bitmap file")
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print("3:grey scale bitmap file")
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print("4:color scale bitmap file")
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print("5:wave file")
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mode = tryparse_int(input("select a mode : "))
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print()
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if mode == 1:
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defname = "pi_bin"
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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print("getting data...")
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data = get_data(bpi)
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print("saving to file '" + name + "' ...")
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save_byte(name, data)
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print("saved to file '" + name + "'")
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elif mode == 2:
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maxw = int(math.sqrt(len(bpi)))
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width = tryparse_int(input("enter image width (max:{0}): [{0}] ".format(maxw)))
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if width is None or width > maxw or width < 1:
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width = maxw
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defname = "pi_bw_{}.bmp".format(width)
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".bmp")):
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name += ".bmp"
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print("getting data...")
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data = get_bw_bmp_data(bpi, width)
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print("saving to file '" + name + "' ...")
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save_bmp(name, data, width)
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print("saved to file '" + name + "'")
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elif mode == 3:
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l = tryparse_int(input("enter grey depth (max:8): [8] "))
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if l is None or l > 8:
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l = 8
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if l < 1:
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l = 1
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maxw = int(math.sqrt(len(bpi)) / l)
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width = tryparse_int(input("enter image width (max:{0}): [{0}] ".format(maxw)))
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if width is None or width > maxw or width < 1:
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width = maxw
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defname = "pi_grey_{}_{}.bmp".format(l, width)
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".bmp")):
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name += ".bmp"
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print("getting data...")
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data = get_grey_bmp_data(bpi, width, l)
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print("saving to file '" + name + "' ...")
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save_bmp(name, data, width)
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print("saved to file '" + name + "'")
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elif mode == 4:
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l = tryparse_int(input("enter color depth (max:8): [8] "))
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if l is None or l > 8:
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l = 8
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if l < 1:
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l = 1
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maxw = int(math.sqrt(len(bpi)) / (l * 3))
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width = tryparse_int(input("enter image width (max:{0}): [{0}] ".format(maxw)))
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if width is None or width > maxw or width < 1:
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width = maxw
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defname = "pi_color_{}_{}.bmp".format(l, width)
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".bmp")):
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name += ".bmp"
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print("getting data...")
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data = get_color_bmp_data(bpi, width, l)
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print("saving to file '" + name + "' ...")
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save_bmp(name, data, width)
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print("saved to file '" + name + "'")
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elif mode == 5:
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channels = tryparse_int(input("number of channels (max:6) : [1] "))
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if channels is None or channels <= 0:
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channels = 1
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if channels > 6:
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channels = 6
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freq = tryparse_int(input("frequency (1->11k, 2->22k, 3->44.1k, 4->48k 5->96k) : [3] "))
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if freq is None:
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freq = 3
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if freq <= 0:
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freq = 1
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if freq > 5:
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freq = 5
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freq = int(11025 * math.pow(2, freq - 1))
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bps = tryparse_int(input("bits per sample (1->8, 2->16, 3->24) : [1] "))
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if bps is None or bps <= 0:
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bps = 1
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if bps > 3:
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bps = 6
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bps *= 8
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defname = "pi_{}_{}_{}.wav".format(channels, bps, int(freq / 1000))
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".wav")):
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name += ".wav"
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print("getting data...")
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data = get_data(bpi)
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print("saving to file '" + name + "' ...")
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save_wav(name, data, channels, freq, bps)
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print("saved to file '" + name + "'")
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print()
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print("goodbye")
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bpi = ""
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if os.path.isfile(BIN_FILE):
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print("loading dichotomy...")
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bpi = load(BIN_FILE)
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elif os.path.isfile(DIGIT_FILE):
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print("computing dichotomy (this might take a while)...")
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bpi = do_dich(DIGIT_FILE)
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print("saving dichotomy...")
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save(BIN_FILE, bpi)
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else:
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print(DIGIT_FILE, "was not found")
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exit(1)
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print(len(bpi), "bits of dichotomy in memory")
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print()
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print("verifying dichotomy...")
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if not (verify_dich(bpi)):
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print("could not verify dichotomy you may delete the file ", BIN_FILE)
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exit(1)
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print()
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print("modes :")
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print("1:binary file")
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print("2:black & white bitmap file")
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print("3:grey scale bitmap file")
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print("4:wave file")
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mode = tryparse_int(input("select a mode : "))
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print()
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if mode == 1:
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defname = "pi_bin"
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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print("getting data...")
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data = get_data(bpi)
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print("saving to file '" + name + "' ...")
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save_byte(name, data)
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print("saved to file '" + name + "'")
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elif mode == 2:
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maxw = int(math.sqrt(len(bpi)))
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width = tryparse_int(input("enter image width (max:{0}): [{0}] ".format(maxw)))
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if width is None or width > maxw or width < 1:
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width = maxw
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defname = "pi_bw_{}.bmp".format(width)
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".bmp")):
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name += ".bmp"
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print("getting data...")
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data = get_bw_bmp_data(bpi, width)
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print("saving to file '" + name + "' ...")
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save_bmp(name, data, width)
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print("saved to file '" + name + "'")
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elif mode == 3:
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maxw = int(math.sqrt(len(bpi)) / 8)
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width = tryparse_int(input("enter image width (max:{0}): [{0}] ".format(maxw)))
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if width is None or width > maxw or width < 1:
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width = maxw
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defname = "pi_grey_{}.bmp".format(width)
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".bmp")):
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name += ".bmp"
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print("getting data...")
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data = get_grey_bmp_data(bpi, width)
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print("saving to file '" + name + "' ...")
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save_bmp(name, data, width)
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print("saved to file '" + name + "'")
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elif mode == 4:
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channels = tryparse_int(input("number of channels (max:6) : [1] "))
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if channels is None or channels <= 0:
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channels = 1
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if channels > 6:
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channels = 6
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freq = tryparse_int(input("frequency (1->11k, 2->22k, 3->44.1k, 4->48k 5->96k) : [3] "))
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if freq is None:
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freq = 3
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if freq <= 0:
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freq = 1
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if freq > 5:
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freq = 5
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freq = int(11025 * math.pow(2, freq - 1))
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bps = tryparse_int(input("bits per sample (1->8, 2->16, 3->24) : [1] "))
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if bps is None or bps <= 0:
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bps = 1
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if bps > 3:
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bps = 6
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bps *= 8
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defname = "pi_{}_{}_{}.wav".format(channels, bps, int(freq / 1000))
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name = input("enter file name : [{}] ".format(defname)).strip()
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if len(name) == 0:
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name = defname
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if not (name.endswith(".wav")):
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name += ".wav"
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print("getting data...")
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data = get_data(bpi)
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print("saving to file '" + name + "' ...")
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save_wav(name, data, channels, freq, bps)
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print("saved to file '" + name + "'")
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print()
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print("goodbye")
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main()
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