27void detect_horz_edge_segments(
FmiImage *target,
FmiImage *trace,
unsigned char min_length,
unsigned char min_elevation);
29void detect_horz_line_segments(
FmiImage *target,
FmiImage *trace,
unsigned char min_length,
unsigned char min_elevation);
32void detect_vert_line_segments(
FmiImage *target,
FmiImage *trace,
unsigned char min_length,
unsigned char min_elevation);
34void detect_vert_line_segments(
FmiImage *target,
FmiImage *trace,
unsigned char min_length,
unsigned char min_elevation);