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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2006 - INRIA - Jean-Baptiste Silvy
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
/*------------------------------------------------------------------------*/
/* file: GrayPlot.h */
/* desc : Functions to compute and draw a grayplot */
/*------------------------------------------------------------------------*/
#ifndef _GRAY_PLOT_H_
#define _GRAY_PLOT_H_
#include "dynlib_graphics.h"
#include "BOOL.h"
#include "machine.h"
/**
* - z is a (n1,n2) matrix
* - x is a (1,n1) matrix
* - y is a (1,n2) matrix
* - x,y,z are stored as one dimensional array in C
*
* z : is the value of a function on the grid defined by x,y
* on each rectangle the average value of z is computed
* and [zmin,zmax] is linearly remapped to the [colormin,colormap]
* values of colors in the current colormap
* the color associated to zmoy is used for filling a specific rectangle
*/
GRAPHICS_IMPEXP int C2F(xgray)(double *x, double *y, double *z, int *n1, int *n2, char *strflag, double *brect, int *aaint, BOOL flagNax, char * logflags, long int l1);
/**
* Matplot subroutine
* z : of size n1*n2
* the z value is interpreted as a color number inside the current colormap
* z[i,j] is used as the color of a square [i-0.5,i+0.5] [j-0.5,j+0.5]
*/
GRAPHICS_IMPEXP int C2F(xgray1)(double *z, int *n1, int *n2, char *strflag, double *brect, int *aaint, BOOL flagNax, long int l1);
/**
* Matplot subroutine
* z : of size n1*n2
* the z value is interpreted as a color number inside the current colormap
* z[i,j] is used as the color of a square [i-0.5,i+0.5] [j-0.5,j+0.5]
*/
GRAPHICS_IMPEXP int C2F(implot)(unsigned char *z, int *n1, int *n2, char *strflag, double *brect, int *aaint, BOOL flagNax, long int l1, int plottype);
/**
* like xgray1 :
* but xrect here give the rectangle in which the
* grayplot is to be drawn using the current scale
*/
GRAPHICS_IMPEXP int C2F(xgray2)(double *z, int *n1, int *n2, double *xrect);
GRAPHICS_IMPEXP int C2F(implot1)(unsigned char *z, int *n1, int *n2, double *xrect, int plottype);
#endif /* _GRAY_PLOT_H_ */
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