Massive rework

1 files changed, 80 insertions, 0 deletions

diff --git a/src/include/region.h b/src/include/region.h
new file mode 100644
index 0000000..4d7c96c
--- /dev/null
+++ b/src/include/region.h
@@ -0,0 +1,80 @@
+/***************************************************************/
+/*                   REGION STUFF                              */
+/***************************************************************/
+
+#define myPI  3.1415926535897932385
+
+typedef struct {
+   int    exists;
+   double xrefval, yrefval;
+   double xrefpix, yrefpix;
+   double xinc,    yinc;
+   double rot;
+   char   type[6];
+} WCSdata;
+
+typedef enum {
+   point_rgn,
+   line_rgn,
+   circle_rgn,
+   annulus_rgn,
+   ellipse_rgn,
+   elliptannulus_rgn,
+   box_rgn,
+   rectangle_rgn,
+   diamond_rgn,
+   sector_rgn,
+   poly_rgn
+} shapeType;
+
+typedef enum { pixel_fmt, degree_fmt, hhmmss_fmt } coordFmt;
+   
+typedef struct {
+   char      sign;        /*  Include or exclude?        */
+   shapeType shape;       /*  Shape of this region       */
+
+   union {                /*  Parameters - In pixels     */
+
+      /****   Generic Shape Data   ****/
+
+      struct {
+	 double p[8];        /*  Region parameters       */
+	 double sinT, cosT;  /*  For rotated shapes      */
+	 double a, b;        /*  Extra scratch area      */
+      } gen;
+
+      /****      Polygon Data      ****/
+
+      struct {
+         int    nPts;        /*  Number of Polygon pts   */
+         double *Pts;        /*  Polygon points          */
+	 double xmin,xmax;   /*  Polygon bounding box    */
+	 double ymin,ymax;
+      } poly;
+
+   } param;
+
+} RgnShape;
+
+typedef struct {
+   int       nShapes;
+   RgnShape  *Shapes;
+   WCSdata   wcs;
+} SAORegion;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int  ffrrgn( const char *filename, WCSdata *wcs, SAORegion **Rgn, int *status );
+int  fftrgn( double X, double Y, SAORegion *Rgn );
+void fffrgn( SAORegion *Rgn );
+
+#ifdef __cplusplus
+    }
+#endif
+
+#define fits_read_rgnfile ffrrgn
+#define fits_in_region    fftrgn
+#define fits_free_region  fffrgn
+