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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
// Created on: 2003-12-05
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// Created by: Alexander SOLOVYOV
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// Copyright (c) 2003-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <MeshVS_ColorHasher.hxx>
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#include <Quantity_Color.hxx>
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//================================================================
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// Function : HashCode
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// Purpose :
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//================================================================
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Standard_Integer MeshVS_ColorHasher::HashCode ( const Quantity_Color& theCol, const Standard_Integer theUpper )
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{
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Standard_Integer r = Standard_Integer( 255 * theCol.Red () ),
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g = Standard_Integer( 255 * theCol.Green () ),
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b = Standard_Integer( 255 * theCol.Blue () );
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#define MESHPRS_HASH_BYTE(val) { \
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aHash += (val); \
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aHash += (aHash << 10); \
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aHash ^= (aHash >> 6); \
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}
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Standard_Integer aHash = 0;
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MESHPRS_HASH_BYTE ( r )
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MESHPRS_HASH_BYTE ( g )
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MESHPRS_HASH_BYTE ( b )
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aHash += (aHash << 3);
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aHash ^= (aHash >> 11);
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aHash += (aHash << 15);
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return (( aHash & 0x7fff ) % theUpper) + 1;
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#undef MESHPRS_HASH_BYTE
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}
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//================================================================
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// Function : IsEqual
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// Purpose :
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//================================================================
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Standard_Boolean MeshVS_ColorHasher::IsEqual( const Quantity_Color& K1, const Quantity_Color& K2 )
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{
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return K1==K2;
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}
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