115 lines
2.3 KiB
C++
115 lines
2.3 KiB
C++
// Copyright 2002 David Hilvert <dhilvert@auricle.dyndns.org>,
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// <dhilvert@ugcs.caltech.edu>
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/* This file is part of the Anti-Lamenessing Engine.
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The Anti-Lamenessing Engine is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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The Anti-Lamenessing Engine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the Anti-Lamenessing Engine; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __spixel_h__
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#define __spixel_h__
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/*
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* Structure to describe a pixel to be used in storage.
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*/
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class spixel {
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private:
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ale_sreal x[3];
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public:
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spixel() {
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x[0] = 0;
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x[1] = 0;
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x[2] = 0;
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}
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spixel(pixel p) {
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x[0] = p[0];
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x[1] = p[1];
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x[2] = p[2];
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}
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spixel(ale_sreal x0, ale_sreal x1, ale_sreal x2) {
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x[0] = x0;
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x[1] = x1;
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x[2] = x2;
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}
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operator pixel() const {
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pixel result;
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result[0] = x[0];
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result[1] = x[1];
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result[2] = x[2];
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return result;
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}
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const ale_sreal &operator[](unsigned int i) const {
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#if 0
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/*
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* This may be expensive.
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*/
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assert (i < 3);
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#endif
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return x[i];
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}
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ale_sreal &operator[](unsigned int i) {
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#if 0
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/*
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* This may be expensive.
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*/
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assert (i < 3);
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#endif
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return x[i];
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}
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ale_sreal min_norm() const {
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ale_sreal m = x[0];
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if (x[1] < m)
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m = x[1];
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if (x[2] < m)
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m = x[2];
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return m;
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}
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spixel operator+=(pixel p) {
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return spixel(x[0] += p[0], x[1] += p[1], x[2] += p[2]);
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}
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spixel operator*=(pixel p) {
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return spixel(x[0] *= p[0], x[1] *= p[1], x[2] *= p[2]);
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}
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spixel operator*=(ale_real d) {
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return spixel(x[0] *= d, x[1] *= d, x[2] *= d);
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}
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spixel operator/=(pixel p) {
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return spixel(x[0] /= p[0], x[1] /= p[1], x[2] /= p[2]);
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}
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spixel operator/=(ale_real d) {
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return spixel(x[0] /= d, x[1] /= d, x[2] /= d);
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}
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};
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#endif
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