programming8/defs_2bitmap_8h_source.html

#ifndef GRASS_BITMAPDEFS_H

#define GRASS_BITMAPDEFS_H


/* bitmap.c */

struct BM *BM_create(int, int);

int BM_destroy(struct BM *);

int BM_set_mode(int, int);

int BM_set(struct BM *, int, int, int);

int BM_get(struct BM *, int, int);

size_t BM_get_map_size(struct BM *);

int BM_file_write(FILE *, struct BM *);

struct BM *BM_file_read(FILE *);


/* sparse.c */

struct BM *BM_create_sparse(int, int);

int BM_destroy_sparse(struct BM *);

int BM_set_sparse(struct BM *, int, int, int);

int BM_get_sparse(struct BM *, int, int);

size_t BM_get_map_size_sparse(struct BM *);

int BM_dump_map_sparse(struct BM *);

int BM_dump_map_row_sparse(struct BM *, int);

int BM_file_write_sparse(FILE *, struct BM *);


#endif /*  GRASS_BITMAPDEFS_H  */

BM_get
int BM_get(struct BM *, int, int)
Gets 'val' from the bitmap.
Definition bitmap.c:213

BM_file_write
int BM_file_write(FILE *, struct BM *)
Write bitmap out to file.
Definition bitmap.c:258

BM_file_read
struct BM * BM_file_read(FILE *)
Create map structure and load it from file.
Definition bitmap.c:299

BM_dump_map_row_sparse
int BM_dump_map_row_sparse(struct BM *, int)
Debugging code to dump out structure of links for single row.
Definition sparse.c:316

BM_destroy
int BM_destroy(struct BM *)
Destroy bitmap and free all associated memory.
Definition bitmap.c:88

BM_get_map_size
size_t BM_get_map_size(struct BM *)
Returns size in bytes that bitmap is taking up.
Definition bitmap.c:236

BM_set
int BM_set(struct BM *, int, int, int)
Sets bitmap value to 'val' at location 'x' 'y'.
Definition bitmap.c:182

BM_set_sparse
int BM_set_sparse(struct BM *, int, int, int)
Set sparse bitmap value to 'val' at location 'x'/'y'.
Definition sparse.c:122

BM_create_sparse
struct BM * BM_create_sparse(int, int)
Create a sparse bitmap of dimension 'x'/'y'.
Definition sparse.c:41

BM_get_map_size_sparse
size_t BM_get_map_size_sparse(struct BM *)
Returns size of sparse bitmap in bytes.
Definition sparse.c:260

BM_file_write_sparse
int BM_file_write_sparse(FILE *, struct BM *)
Write sparse bitmap matrix out to disk file 'fp'. NOTE: 'fp' must already be opened and later closed ...
Definition sparse.c:346

BM_dump_map_sparse
int BM_dump_map_sparse(struct BM *)
Debugging code to dump out structure of links.
Definition sparse.c:288

BM_set_mode
int BM_set_mode(int, int)
Specify the type of data structure to use for bitmap. 'mode' can be either BM_FLAT or BM_SPARSE:
Definition bitmap.c:145

BM_get_sparse
int BM_get_sparse(struct BM *, int, int)
Returns sparse bitmap value at location 'x'/'y'.
Definition sparse.c:236

BM_destroy_sparse
int BM_destroy_sparse(struct BM *)
Destroy sparse bitmap and free all associated memory.
Definition sparse.c:86

BM_create
struct BM * BM_create(int, int)
Create bitmap of dimension x/y and return structure token.
Definition bitmap.c:57

BM
Definition bitmap.h:17