├── LICENSE
├── README.md
└── extract.py


/LICENSE:
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 1 | This is free and unencumbered software released into the public domain.
 2 | 
 3 | Anyone is free to copy, modify, publish, use, compile, sell, or
 4 | distribute this software, either in source code form or as a compiled
 5 | binary, for any purpose, commercial or non-commercial, and by any
 6 | means.
 7 | 
 8 | In jurisdictions that recognize copyright laws, the author or authors
 9 | of this software dedicate any and all copyright interest in the
10 | software to the public domain. We make this dedication for the benefit
11 | of the public at large and to the detriment of our heirs and
12 | successors. We intend this dedication to be an overt act of
13 | relinquishment in perpetuity of all present and future rights to this
14 | software under copyright law.
15 | 
16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 | IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 | OTHER DEALINGS IN THE SOFTWARE.
23 | 
24 | For more information, please refer to <https://unlicense.org>
25 | 


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/README.md:
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 1 | # CSPExtract
 2 | Extract png images from Csp brushes
 3 | 
 4 | You can find free brushes at https://www.forgotten-adventures.net/product/other/clip-studio-paint-brush-bundle/
 5 | 
 6 | To use it, you have to :
 7 | - install Python 3.7+ (see install python for your os)
 8 | - create a directory where you copy the script
 9 | - create a directory where you copy your CSP brushes
10 | - in a console, type "python3 path_to_the_script/extract.py path_to_the_brushes"
11 | 
12 | 


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/extract.py:
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 1 | import sys
 2 | import sqlite3
 3 | import os
 4 | from os.path import isfile, join
 5 | 
 6 | def control_args():
 7 |     if (len(sys.argv) < 2):
 8 |         print("Error : need arguments")
 9 |     if (len(sys.argv) > 2):
10 |         print("Error : too much arguments")
11 |     if (len(sys.argv) < 2 or len(sys.argv) > 2):
12 |         print("extract.py Directory_name")
13 | 
14 | def get_last_pos(str, source):
15 |     str_find = bytearray(str,'ascii')
16 |     last_pos = 0
17 |     pos = 0
18 |     while True:
19 |         pos = source.find(str_find, last_pos)
20 |         if pos == -1:
21 |             break
22 |         last_pos = pos + 1
23 |     return (last_pos -1)
24 | 
25 | def extract_png_from_layer(working_file):
26 |     try:
27 |         with open(working_file, "rb") as inputFile:
28 |             content = inputFile.read()
29 |             if content != "":
30 |                 s = 'PNG'
31 |                 begin_pos = get_last_pos(s, content)
32 |                 begin_pos -= 1
33 | 
34 |                 s = 'IEND'                
35 |                 end_pos = get_last_pos(s, content)
36 |                 end_pos += 4
37 | 
38 |                 with open(working_file+".png", 'wb') as outputFile:
39 |                     outputFile.write(content[begin_pos:end_pos])
40 |     except FileNotFoundError:
41 |         print("File not found")
42 | 
43 | def extract_sqlite_layers(working_file):
44 |     con = sqlite3.connect(working_file)
45 |     cur = con.cursor()
46 |     cur.execute("select _PW_ID, FileData from MaterialFile")
47 |     row = cur.fetchone()
48 |     while row != None:
49 |         #extract images
50 |         file_name = working_file+"."+str(row[0])+".layer"
51 |         with open(file_name, 'wb') as outputFile:
52 |             outputFile.write(row[1])
53 |             extract_png_from_layer(file_name)
54 |         os.remove(file_name)
55 |         row = cur.fetchone()
56 |     cur.close()
57 | 
58 | def main():
59 |     # Control args
60 |     control_args()
61 | 
62 |     if isfile(sys.argv[1]):
63 |         print("A file provided as an argument, extracting textures from the file...")
64 |         filedir=''
65 |         files = [sys.argv[1]]
66 |     else:
67 |         filedir = sys.argv[1]
68 |         files = [join(filedir,x) for x in os.listdir(filedir)]
69 |         files = [x for x in files if isfile(x)]
70 | 
71 |     for m_file in files:
72 |         print(m_file)
73 |         extract_sqlite_layers(m_file)
74 | 
75 | if __name__ == "__main__":
76 |    main()
77 | 


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