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-rw-r--r--include/pbm.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/pbm.h b/include/pbm.h
new file mode 100644
index 0000000..a1e16f5
--- /dev/null
+++ b/include/pbm.h
@@ -0,0 +1,46 @@
+/* pbm.h - header file for libpbm portable bitmap library
+*/
+
+#ifndef _PBM_H_
+#define _PBM_H_
+
+#include "pbmplus.h"
+
+typedef unsigned char bit;
+#define PBM_WHITE 0
+#define PBM_BLACK 1
+
+
+/* Magic constants. */
+
+#define PBM_MAGIC1 'P'
+#define PBM_MAGIC2 '1'
+#define RPBM_MAGIC2 '4'
+#define PBM_FORMAT (PBM_MAGIC1 * 256 + PBM_MAGIC2)
+#define RPBM_FORMAT (PBM_MAGIC1 * 256 + RPBM_MAGIC2)
+#define PBM_TYPE PBM_FORMAT
+
+
+/* Macro for turning a format number into a type number. */
+
+#define PBM_FORMAT_TYPE(f) ((f) == PBM_FORMAT || (f) == RPBM_FORMAT ? PBM_TYPE : -1)
+
+
+/* Declarations of routines. */
+
+void pbm_init ARGS(( int* argcP, char* argv[] ));
+
+#define pbm_allocarray( cols, rows ) ((bit**) pm_allocarray( cols, rows, sizeof(bit) ))
+#define pbm_allocrow( cols ) ((bit*) pm_allocrow( cols, sizeof(bit) ))
+#define pbm_freearray( bits, rows ) pm_freearray( (char**) bits, rows )
+#define pbm_freerow( bitrow ) pm_freerow( (char*) bitrow )
+
+bit** pbm_readpbm ARGS(( FILE* file, int* colsP, int* rowsP ));
+void pbm_readpbminit ARGS(( FILE* file, int* colsP, int* rowsP, int* formatP ));
+void pbm_readpbmrow ARGS(( FILE* file, bit* bitrow, int cols, int format ));
+
+void pbm_writepbm ARGS(( FILE* file, bit** bits, int cols, int rows, int forceplain ));
+void pbm_writepbminit ARGS(( FILE* file, int cols, int rows, int forceplain ));
+void pbm_writepbmrow ARGS(( FILE* file, bit* bitrow, int cols, int forceplain ));
+
+#endif /*_PBM_H_*/