Added dark frame subtraction

Moved debayer and preprocessing parameters to class ProcParams for every single image.
Added tab RAW for changing those parameters.
Progress bar shows only load step (work to do)

winclude/common.h

@@ -0,0 +1,49 @@
+#ifndef _COMMON_
+#define _COMMON_
+
+#define ISRED(image,row,col) \
+	((image->filters >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3)==0)
+#define ISGREEN(image,row,col) \
+	((image->filters >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3)==1)
+#define ISBLUE(image,row,col) \
+	((image->filters >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3)==2)
+
+
+#define CMAXVAL 65535
+
+#include <time.h>
+
+struct RawImage {
+
+  int width;
+  int height;
+
+  unsigned filters;
+
+  double red_multiplier;
+  double green_multiplier;
+  double blue_multiplier;
+
+  double camwb_red;
+  double camwb_green;
+  double camwb_blue;
+
+  int blackpoint;
+  int rgb_max;
+  int rotate_deg;
+  int fuji_width;
+
+  struct tm* time;
+  float iso_speed, aperture, focal_len, shutter;
+  char *make, *model;
+
+  int exifbase, exiflocation, exiforder;
+
+  unsigned short** data;             // holds pixel values, data[i][j] corresponds to the ith row and jth column
+
+  float coeff[3][4];
+  float icoeff[3][4];
+
+};
+
+#endif