Add LocCorr_new: another variant of LocCorr (instead of pusirobot used multistepper; some errors fixed); I hope, sometimes I will finish loccorrNG

LocCorr_new/cameracapture.h

@@ -0,0 +1,53 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2021 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 CAMERACAPTURE_H__
+#define CAMERACAPTURE_H__
+
+#include "imagefile.h" // Image
+
+
+// format of single frame
+typedef struct{
+    int w; int h;           // width & height
+    int xoff; int yoff;     // X and Y offset
+} frameformat;
+
+typedef struct{
+    void (*disconnect)();   // disconnect & cleanup
+    int (*connect)();       // connect & init
+    Image* (*capture)();    // capture an image
+    // setters: brightness, exptime, gain
+    int (*setbrightness)(float b);
+    int (*setexp)(float e);
+    int (*setgain)(float g);
+    float (*getmaxgain)();  // get max available gain value
+    // geometry (if TRUE, all args are changed to suitable values)
+    int (*setgeometry)(frameformat *fmt);
+    // get limits of geometry: maximal values and steps
+    int (*getgeomlimits)(frameformat *max, frameformat *step);
+    //int (*getgeometry)(frameformat *fmt);
+} camera;
+
+int setCamera(camera *cptr);
+void camdisconnect();
+int camcapture(void (*process)(Image *));
+char *camstatus(const char *messageid, char *buf, int buflen);
+
+
+#endif // CAMERACAPTURE_H__