2017-02-27 22:23:06 +00:00
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/*-
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2018-08-04 18:44:35 +00:00
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* Copyright (c) 2014-2018 Carsten Sonne Larsen <cs@innolan.net>
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2015-03-08 22:14:50 +00:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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2017-02-27 22:23:06 +00:00
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* Project homepage:
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2017-07-14 09:30:24 +00:00
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* https://amath.innolan.net
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2017-02-27 22:23:06 +00:00
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*
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2015-03-08 22:14:50 +00:00
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*/
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2017-02-27 22:23:06 +00:00
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#ifndef AMATH_GRID_H
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#define AMATH_GRID_H
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/**
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* @file fgrid.h
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* @brief Function grid used with graphs.
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*
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*/
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#include "userfunction.h"
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#include "lib/real.h"
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class Grid
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{
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public:
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explicit Grid(UserFunction* function);
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~Grid();
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void SetFunctionBounderies(double minX, double maxX);
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void SetScreenBounderues(int minX, int maxX, int minY, int maxY);
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void GetScreenCoordinates(double value, int* x, int* y) const;
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void GetScreenCoordinates(double xval, int* x, double yval, int* y) const;
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double GetHorizontalResolution() const;
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void GetXAxis(int* xstart, int* xend, int* ystart, int* yend) const;
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void GetYAxis(int* xstart, int* xend, int* ystart, int* yend) const;
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private:
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double FunctionValue(double parameter) const;
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UserFunction* function;
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RealNumber* parameter;
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double minX;
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double maxX;
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double minY;
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double maxY;
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int pad;
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int screenMinX;
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int screenMaxX;
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int screenMinY;
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int screenMaxY;
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int originX;
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int originY;
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double zoom;
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double scaleX;
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double scaleY;
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};
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#endif
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