gfx/thebes/genTables.py

Thu, 15 Jan 2015 15:55:04 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 15:55:04 +0100
branch
TOR_BUG_9701
changeset 9
a63d609f5ebe
permissions
-rw-r--r--

Back out 97036ab72558 which inappropriately compared turds to third parties.

michael@0 1 #!/usr/bin/python
michael@0 2
michael@0 3 def table_generator(f):
michael@0 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)])
michael@0 5
michael@0 6 with open("DeprecatedPremultiplyTables.h", "w") as f:
michael@0 7 f.write("const uint8_t gfxUtils::sPremultiplyTable[256*256] = {\n");
michael@0 8 f.write(table_generator(lambda i: ((i / 256) * (i % 256) + 254) / 255) + "\n")
michael@0 9 f.write("};\n");
michael@0 10 f.write("const uint8_t gfxUtils::sUnpremultiplyTable[256*256] = {\n");
michael@0 11 f.write(table_generator(lambda i: (i % 256) * 255 / ((i / 256) if (i / 256) > 0 else 255) % 256) + "\n")
michael@0 12 f.write("};\n");

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