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Diffstat (limited to 'vcl/aqua/source/gdi/salmathutils.cxx')
| -rw-r--r-- | vcl/aqua/source/gdi/salmathutils.cxx | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/vcl/aqua/source/gdi/salmathutils.cxx b/vcl/aqua/source/gdi/salmathutils.cxx deleted file mode 100644 index fd47736cec..0000000000 --- a/vcl/aqua/source/gdi/salmathutils.cxx +++ /dev/null @@ -1,165 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_vcl.hxx" - -#include "aqua/salmathutils.hxx" - -#include <stdlib.h> - -// ======================================================================= - -// ======================================================================= - -#define Swap( x, y ) { x ^= y; y ^= x; x ^= y; } - -// ======================================================================= - -// ======================================================================= - -// Storage free swapping using XOR - -void CSwap ( char &rX, char &rY ) -{ - Swap( rX, rY ); -} // CSwap - -// ----------------------------------------------------------------------- - -// Storage free swapping using XOR - -void UCSwap ( unsigned char &rX, unsigned char &rY ) -{ - Swap( rX, rY ); -} // UCSwap - -// ----------------------------------------------------------------------- - -// Storage free swapping using XOR - -void SSwap ( short &rX, short &rY ) -{ - Swap( rX, rY ); -} // SSwap - -// ----------------------------------------------------------------------- - -// Storage free swapping using XOR - -void USSwap ( unsigned short &rX, unsigned short &rY ) -{ - Swap( rX, rY ); -} // USSwap - -// ----------------------------------------------------------------------- - -// Storage free swapping using XOR - -void LSwap ( long &rX, long &rY ) -{ - Swap( rX, rY ); -} // LSwap - -// ----------------------------------------------------------------------- - -// Storage free swapping using XOR - -void ULSwap ( unsigned long &rX, unsigned long &rY ) -{ - Swap( rX, rY ); -} // ULSwap - -// ======================================================================= - -// ======================================================================= - -// ----------------------------------------------------------------------- -// -// This way of measuring distance is also called the "Manhattan distance." -// Manhattan distance takes advantage of the fact that the sum of the -// lengths of the three components of a 3D vector is a rough approxima- -// tion of the vector's length. -// -// ----------------------------------------------------------------------- - -unsigned long Euclidian2Norm ( const LRectCoorVector pVec ) -{ - unsigned long ndist = 0; - - if ( pVec ) - { - long nDX = 0; - long nDY = 0; - long nDZ = 0; - unsigned long nMax = 0; - unsigned long nMed = 0; - unsigned long nMin = 0; - - // Find |x'-x|, |y'-y|, and |z'-z| from (x,y,z) and (x',y',z') - - nDX = pVec[1].x - pVec[0].x; - nDY = pVec[1].y - pVec[0].y; - nDZ = pVec[1].z - pVec[0].z; - - nMax = (unsigned long)abs( nDX ); - nMed = (unsigned long)abs( nDY ); - nMin = (unsigned long)abs( nDZ ); - - // Sort them (3 compares, 0-3 swaps) - - if ( nMax < nMed ) - { - Swap( nMax, nMed ); - } // if - - if ( nMax < nMin ) - { - Swap( nMax, nMin ); - } // if - - // Approximate Euclidian distance: - // - // d = max + (11/32)*med + (1/4)*min - // - // with +/- 8% error, where the exact formulae for d is - // - // || (x',y',z') - (x,y,z) || = { |x'-x|^2 + |y'-y|^2 + |z'-z|^2 }^(1/2) - - ndist = nMax + ( nMin >> 2UL ) - + ( ( ( nMed << 3UL ) + ( nMed << 1UL ) + nMed ) >> 5UL ); - } // if - - return ndist; -} // RGBDistance - -// ======================================================================= - -// ======================================================================= - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |