-#!/usr/bin/python
+#!/usr/bin/python3
def escape(str):
- result=""
+ result = ""
for c in str:
if c=='"':
- result+='\\"'
+ result += '\\"'
elif c=='\\':
- result+='\\\\'
+ result += '\\\\'
elif ord(c)<0x20:
- result+="\\%03o"%ord(c)
+ result += "\\{:03o}".format(ord(c))
else:
- result+=c
- return result;
+ result += c
+ return result
+
+def values(data, size):
+ for y in range(size[1]-1, -1, -1):
+ for x in range(size[0]):
+ yield data[x+y*size[0]]
+
+def values_multi(data, size):
+ for y in range(size[1]-1, -1, -1):
+ for x in range(size[0]):
+ for c in data[x+y*size[0]]:
+ yield c
-def make_tex(fn):
- import Image
+def make_tex(fn, mipmap=False, srgb=False):
+ from PIL import Image
+ import base64
+ import codecs
- img=Image.open(fn)
+ img = Image.open(fn)
- fmt="".join(img.getbands())
+ fmt = "".join(img.getbands())
if fmt=="LA":
- fmt="LUMINANCE_ALPHA"
+ fmt = "LUMINANCE8_ALPHA8"
elif fmt=="L":
- fmt="LUMINANCE"
+ fmt = "LUMINANCE8"
- result="storage %s %d %d;\n"%(fmt, img.size[0], img.size[1])
- result+="min_filter LINEAR;\n"
- result+="raw_data \""
- data=list(img.getdata())
- for y in range(img.size[1]):
- i=(img.size[1]-1-y)*img.size[0]
- result+=escape("".join(["".join([chr(v) for v in p]) for p in data[i:i+img.size[0]]]))
- result+="\";\n"
+ if srgb:
+ fmt = "S"+fmt
+
+ result = "storage {} {} {};\n".format(fmt, img.size[0], img.size[1])
+ if mipmap:
+ result += "generate_mipmap true;\n"
+
+ if len(img.getbands())==1:
+ pixels = values(img.getdata(), img.size)
+ else:
+ pixels = values_multi(img.getdata(), img.size)
+ result += "raw_data ={}=;\n".format(codecs.decode(base64.b64encode(bytes(pixels)), "ascii"))
return result
if __name__=="__main__":
- import sys
import os
+ import argparse
- if len(sys.argv)<2:
- print "Usage: %s <image>"%sys.argv[0]
- else:
- out=file(os.path.splitext(sys.argv[1])[0]+".tex", "w")
- out.write(make_tex(sys.argv[1]))
+ parser = argparse.ArgumentParser()
+ parser.add_argument("-o", "--output", metavar="FILE", help="Output filename")
+ parser.add_argument("-m", "--mipmap", action="store_true", help="Enable mipmaps")
+ parser.add_argument("--srgb", action="store_const", const=True, help="Use sRGB color space")
+ parser.add_argument("image")
+
+ args = parser.parse_args()
+
+ out_fn = args.output
+ if not out_fn:
+ out_fn = os.path.splitext(args.image)[0]+".tex2d"
+ out = open(out_fn, "w")
+ out.write(make_tex(args.image, args.mipmap, args.srgb))