eff1ff4b41
* Fixed a typo in OpenJPEG.J2KLayerInfo (only affected debug display) git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@3118 52acb1d6-8a22-11de-b505-999d5b087335
45 lines
1.5 KiB
C#
45 lines
1.5 KiB
C#
/// <summary>**************************************************************************
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///
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/// $Id: LookUpTable32Gamma.java,v 1.1 2002/07/25 14:56:47 grosbois Exp $
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///
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/// Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650
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/// $Date $
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/// ***************************************************************************
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/// </summary>
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using System;
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using ICCCurveType = CSJ2K.Icc.Tags.ICCCurveType;
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namespace CSJ2K.Icc.Lut
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{
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/// <summary> A Gamma based 32 bit lut.
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///
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/// </summary>
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/// <seealso cref="jj2000.j2k.icc.tags.ICCCurveType">
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/// </seealso>
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/// <version> 1.0
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/// </version>
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/// <author> Bruce A. Kern
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/// </author>
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public class LookUpTable32Gamma:LookUpTable32
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{
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/* Construct the lut
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* @param curve data
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* @param dwNumInput size of lut
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* @param dwMaxOutput max value of lut
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*/
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public LookUpTable32Gamma(ICCCurveType curve, int dwNumInput, int dwMaxOutput):base(curve, dwNumInput, dwMaxOutput)
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{
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double dfE = ICCCurveType.CurveGammaToDouble(curve.entry(0)); // Gamma exponent for inverse transformation
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for (int i = 0; i < dwNumInput; i++)
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{
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//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
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lut[i] = (int) System.Math.Floor(System.Math.Pow((double) i / (dwNumInput - 1), dfE) * dwMaxOutput + 0.5);
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}
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}
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/* end class LookUpTable32Gamma */
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}
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} |