nuclex-shared-dotnet/Nuclex.Support
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Added a small rectangle packing library for optimally arranging smaller rectangles within one larger rectangle

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git-svn-id: file:///srv/devel/repo-conversion/nusu@19 d2e56fa2-650e-0410-a79f-9358c0239efd
This commit is contained in:
Markus Ewald 2007-05-16 20:28:23 +00:00
parent acdea736b6
commit d09bb30cec
11 changed files with 751 additions and 10 deletions
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17
Source/Licensing/LicenseKey.cs
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@ -151,10 +151,9 @@ namespace Nuclex.Support.Licensing {
for(int j = 0; j < 31; ++j)
sequence |= (int)powersOfTwo[j, bits[i * 31 + j] ? 1 : 0];
// Using 7 bits, a number up to 2.147.483.648 can be represented,
// Using 31 bits, a number up to 2.147.483.648 can be represented,
// while 6 alpha-numerical characters allow for 2.176.782.336 possible values,
// which is enough to fit 7 bits into each 6 alpha-numerical characters
// nun in 6 alphanumerische Zeichen zu verpacken.
// which means we can fit 31 bits into every 6 alpha-numerical characters.
for(int j = 0; j < 6; ++j) {
resultBuilder.Append(codeTable[sequence % 36]);
sequence /= 36;
@ -176,13 +175,11 @@ namespace Nuclex.Support.Licensing {
);
// Now build a nice, readable string from the decoded characters
string s = resultBuilder.ToString();
return
s.Substring(0, 5) + "-" +
s.Substring(5, 5) + "-" +
s.Substring(10, 5) + "-" +
s.Substring(15, 5) + "-" +
s.Substring(20, 5);
resultBuilder.Insert(5, '-');
resultBuilder.Insert(11, '-');
resultBuilder.Insert(17, '-');
resultBuilder.Insert(23, '-');
return resultBuilder.ToString();
}
/// <summary>Mangles a bit array</summary>