add GLUT_window ex

GLUT_window/cmdlnopts.h

@@ -0,0 +1,45 @@
+/*
+ * This file is part of the opengl project.
+ * Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#pragma once
+#ifndef CMDLNOPTS_H__
+#define CMDLNOPTS_H__
+
+/*
+ * here are some typedef's for global data
+ */
+typedef struct{
+    char *device;           // camera device name
+    char *pidfile;          // name of PID file
+    int camno;              // number of camera to work with
+    float exptime;          // exposition time
+    float gain;             // gain value
+    int showimage;          // display last captured image in OpenGL screen
+    int nimages;            // number of images to capture
+    int save_png;           // save png file
+    int rest_pars_num;      // number of rest parameters
+    char** rest_pars;       // the rest parameters: array of char*
+} glob_pars;
+
+
+glob_pars *parse_args(int argc, char **argv);
+extern glob_pars  G;
+extern int verbose_level;
+
+#endif // CMDLNOPTS_H__