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- /* revfit.h: definitions for reversible straight line reconstruction routines */
- #include "../ch7-7/GG4D/GGems.h"
- #define HRZ 1
- #define VRT 2
- /* Watch out for the precision of `int' type. Make sure that the max */
- /* coordinate value * SUBPIXRES can be stored in an `int'. */
- #define SUBPIXRES 32
-
- /************************************************************************/
- /* typedef for Edgelist: the list of edges where lines are to be fitted */
- /************************************************************************/
- typedef struct {
- int x,y; /* in bitmap resolution +ve */
- int dir; /* --- <-- H edge ^ */
- } PixelEdge; /* (x,y)--> * | <-- V edge | --> +ve */
-
- typedef struct {
- int Nedges; /* number of edges in the list */
- int current; /* current edge being visited */
- PixelEdge *list; /* the list of edges found from the pixmap */
- } Edgelist;
-
- int fitlines(Edgelist el, boolean Pretest, boolean TryAllEndPts,
- IntPoint2 *lines, int MaxLines);
- void linestojagged(int Nlines, IntPoint2 *lines);
-