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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* This file is part of the opengl project.
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* Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef IMAGE_FUNCTIONS__
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#define IMAGE_FUNCTIONS__
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#include <GL/glut.h>
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#include "imageview.h"
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// functions for converting grayscale value into colour
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typedef enum{
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COLORFN_LINEAR, // linear
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COLORFN_LOG, // ln
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COLORFN_SQRT, // sqrt
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COLORFN_MAX // end of list
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} colorfn_type;
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typedef struct{
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uint16_t *data;
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int w;
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int h;
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} IMG;
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void change_displayed_image(windowData *win, IMG *convertedImage);
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void gray2rgb(double gray, GLubyte *rgb);
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colorfn_type get_colorfun();
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void change_colorfun(colorfn_type f);
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void roll_colorfun();
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#endif // IMAGE_FUNCTIONS__
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