From 4b72dd8da22dafed8f93f954d67a2a7981e61967 Mon Sep 17 00:00:00 2001 From: Tor Lillqvist Date: Thu, 1 Mar 2012 01:48:38 +0200 Subject: WaE: unused function 'liangBarskyClipT' --- basegfx/source/tools/liangbarsky.cxx | 75 ------------------------------------ 1 file changed, 75 deletions(-) delete mode 100644 basegfx/source/tools/liangbarsky.cxx (limited to 'basegfx/source') diff --git a/basegfx/source/tools/liangbarsky.cxx b/basegfx/source/tools/liangbarsky.cxx deleted file mode 100644 index 6b89e85498ce..000000000000 --- a/basegfx/source/tools/liangbarsky.cxx +++ /dev/null @@ -1,75 +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 - * - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -#include "basegfx/tools/tools.hxx" -#include "basegfx/numeric/ftools.hxx" -#include "basegfx/range/b2drange.hxx" - - -namespace basegfx -{ - namespace tools - { - namespace - { - // see Foley/vanDam, pp. 122 for the Liang-Barsky line - // clipping algorithm - inline bool liangBarskyClipT( double nDenom, - double nNumerator, - double& io_rTE, - double& io_rTL ) - { - double t; - if( nDenom > 0 ) - { - t = nNumerator / nDenom; - if( t > io_rTL ) - return false; - else if( t > io_rTE ) - io_rTE = t; - } - else if( nDenom < 0 ) - { - t = nNumerator / nDenom; - if( t < io_rTE ) - return false; - else - io_rTL = t; - } - else if( nNumerator > 0 ) - { - return false; - } - - return true; - } - } - } -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3