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import os
import re
import sys
import subprocess
pdf = sys.argv[1]
p1 = int(sys.argv[2])
pn = int(sys.argv[3])
# if 4th argument is supplied, crop based on that page. Otherwise maximize per page.
p0 = 0
crop_area = None
if len(sys.argv) == 5:
p0 = int(sys.argv[4])
p0_name = "test.jpg"
subprocess.run(["pdftoppm", "-jpeg", "-r", "300", "-thinlinemode", "solid", "-f", str(p0), "-singlefile", pdf, "test"])
rv = subprocess.run(
["magick", p0_name, "-trim", "-format", "%[fx:w]x%[fx:h]+%[fx:page.x]+%[fx:page.y]", "info:"],
capture_output=True,
text=True
)
crop_area = rv.stdout
os.remove(p0_name)
root = "doc"
jpg = root + ".jpg"
h = root + ".h"
txt = root + ".txt"
macro = root.upper() + "_H"
data_len = pn - p1 + 1
with open(h, "w") as f:
f.write("#ifndef {}\n".format(macro))
f.write("#define {}\n\n".format(macro))
f.write("const size_t data_len = {};\n\n".format(data_len))
f.write("const unsigned char data[{0}][48000] = {{\n".format(data_len))
for p in range(p1, pn + 1):
print("Processing page {}/{}...".format(p, pn))
subprocess.run(["pdftoppm", "-jpeg", "-r", "300", "-thinlinemode", "solid", "-f", str(p), "-singlefile", pdf, root])
if crop_area is not None:
subprocess.run(["magick", jpg, "-crop", crop_area, jpg])
else:
subprocess.run(["mogrify", "-trim", jpg])
subprocess.run(["convert", jpg, "-resize", "480x800!", jpg])
subprocess.run(["convert", jpg, "-threshold", "80%", jpg])
subprocess.run(["mogrify", "-rotate", "-90", jpg])
subprocess.run(["convert", jpg, "-depth", "1", "-format", "'txt'", txt])
f.write("\t{\n\t\t")
total = 0
with open(txt, "r") as fd:
n = 7
x = 0xFF
count = 0
fd.readline()
for line in fd:
px = re.search("\([^\)]+\)", line).group()
if px == "(0)":
x &= ~(1 << n)
n -= 1
if n < 0:
f.write("0x{:02X}, ".format(x))
count += 1
total += 1
if count >= 12:
f.write("\n\t\t")
count = 0
x = 0xFF
n = 7
f.write("\n\t},\n")
f.write("};\n\n")
f.write("#endif /* {} */".format(macro))
size = os.path.getsize(h)
if size < 1024:
print("Done! Wrote {:0.1f}B to {}".format(size, h))
elif size < pow(1024,2):
print("Done! Wrote {:0.1f}KB to {}".format(round(size / 1024, 2), h))
elif size < pow(1024,3):
print("Done! Wrote {:0.1f}MB to {}".format(round(size / (pow(1024, 2)), 2), h))
elif size < pow(1024,4):
print("Done! Wrote {:0.1f}GB to {}".format(round(size / (pow(1024, 3)), 2), h))
os.remove(txt)
os.remove(jpg)
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