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Code: Select all

def rl(f,l):
    val = int.from_bytes(f.read(l), byteorder='little')
    return val

f = open("t2.bmp", "rb")
x = f.read(10)
    
offset = rl(f, 4)
sz = rl(f, 4)
w = rl(f, 2)
h = rl(f,2)
planes = rl(f, 2)
depth = rl(f, 2)
f.seek(54, 0)

## Now copy the color table
op = open("arr.txt", "w")
num_entries = int((offset - 54)/4)
print(num_entries)
for i in range(num_entries):
    x = f.read(4)
    b = x[0]
    g = x[1]
    r = x[2]
    c565 = ((r & 0xF8)  << 8) | ((g & 0xFC) << 3) | (b >> 3)
    op.write(".ctable[" + str(i) + "]="+str(c565)+"\n")
    i = i + 1

## Now copy the bitmap data (reversed vertically)
x = f.read(10000)
i = len(x ) - 1

for b in x:
    s = ".data[" + str(i) + "]="+str(b) + "\n"
    i = i - 1
    op.write(s)

op.close()
f.close()
print("Done")

Code: Select all

import os

def rl(f,l):
    val = int.from_bytes(f.read(l), byteorder='little')
    return val

f = open("t2.bmp", "rb")
x = f.read(10)
    
offset = rl(f, 4)
sz = rl(f, 4)
w = rl(f, 2)
h = rl(f,2)
planes = rl(f, 2)
depth = rl(f, 2)
f.seek(54, 0)

## Now copy the color table
op = open("arr.txt", "w")
num_entries = int((offset - 54)/4)

for i in range(num_entries):
    x = f.read(4)
    b = x[0]
    g = x[1]
    r = x[2]
    c565 = ((r & 0xF8)  << 8) | ((g & 0xFC) << 3) | (b >> 3)
    op.write(".ctable[" + str(i) + "]="+str(c565)+"\n")
    i = i + 1

## Now copy the bitmap data (reversed vertically)
cur = f.tell()    # save current position
f.seek(0, os.SEEK_END)
end = f.tell()    # find the size of file
f.seek(cur, os.SEEK_SET)
i = int((end - cur) / 4)

while f.tell() < end:
    b = int.from_bytes(f.read(4), byteorder='big')
    i = i - 1
    s = ".data[" + str(i) + "]="+hex(b) + "\n"

    op.write(s)

op.close()
f.close()
print("Done")