gfx/layers/genTables.py@deefc01c0e14
gfx/layers/genTables.py
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 #!/usr/bin/python
3 def table_generator(f):
4 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)])
6 with open("PremultiplyTables.h", "w") as f:
7 f.write("const uint8_t PremultiplyTable[256*256] = {\n");
8 f.write(table_generator(lambda i: ((i / 256) * (i % 256) + 254) / 255) + "\n")
9 f.write("};\n");
10 f.write("const uint8_t UnpremultiplyTable[256*256] = {\n");
11 f.write(table_generator(lambda i: (i % 256) * 255 / ((i / 256) if (i / 256) > 0 else 255) % 256) + "\n")
12 f.write("};\n");
