The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/genTables.py	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,12 @@
     1.4 +#!/usr/bin/python
     1.5 +
     1.6 +def table_generator(f):
     1.7 +  return ",\n".join([", ".join(["0x%2.2x" % h for h in [f(i) for i in range(r,r+16)]]) for r in range(0, 65536, 16)])
     1.8 +
     1.9 +with open("PremultiplyTables.h", "w") as f:
    1.10 +  f.write("const uint8_t PremultiplyTable[256*256] = {\n");
    1.11 +  f.write(table_generator(lambda i: ((i / 256) * (i % 256) + 254) / 255) + "\n")
    1.12 +  f.write("};\n");
    1.13 +  f.write("const uint8_t UnpremultiplyTable[256*256] = {\n");
    1.14 +  f.write(table_generator(lambda i: (i % 256) * 255 / ((i / 256) if (i / 256) > 0 else 255) % 256) + "\n")
    1.15 +  f.write("};\n");