otabitmap.h

The Kannel Open Source WAP and SMS gateway works as both an SMS gateway, for implementing keyword b

/* ==================================================================== 
 * The Kannel Software License, Version 1.0 
 * 
 * Copyright (c) 2001-2004 Kannel Group  
 * Copyright (c) 1998-2001 WapIT Ltd.   
 * All rights reserved. 
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 * 1. Redistributions of source code must retain the above copyright 
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 * 3. The end-user documentation included with the redistribution, 
 *    if any, must include the following acknowledgment: 
 *       "This product includes software developed by the 
 *        Kannel Group (http://www.kannel.org/)." 
 *    Alternately, this acknowledgment may appear in the software itself, 
 *    if and wherever such third-party acknowledgments normally appear. 
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 * 4. The names "Kannel" and "Kannel Group" must not be used to 
 *    endorse or promote products derived from this software without 
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 
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 * ==================================================================== 
 * 
 * This software consists of voluntary contributions made by many 
 * individuals on behalf of the Kannel Group.  For more information on  
 * the Kannel Group, please see <http://www.kannel.org/>. 
 * 
 * Portions of this software are based upon software originally written at  
 * WapIT Ltd., Helsinki, Finland for the Kannel project.  
 */ 

#ifndef OTABITMAP_H
#define OTABITMAP_H

/* OTA Bitmap - used for CLI Icon and Operator logo messages
 *
 * Kalle Marjola 1999 for WapIT Ltd.
 *
 * functions to store OTA Bitmaps and and create Octet strings from them
 */

#include "gwlib/gwlib.h"

/* OTA Bitmap
 */
typedef struct OTA_bitmap {
    Octet		infofield;
    Octet		*ext_fields;
    int			extfield_count;
    int			width;	  	/* 8 or 16 bits, defined by infofield */
    int 	     	height;		/* ditto */
    int		  	depth;
    Octet		*main_image;
    Octet		**animated_image;
    int			animimg_count;	/* total # of animated images */
    /* Octet		*palette; */
} OTAbitmap;

/* create a new empty OTAbitmap struct. Return a pointer to it or NULL if
 * operation fails
 */
OTAbitmap *OTAbitmap_create_empty(void);


/* delete given OTAbitmap, including freeing the pixmap */
void OTAbitmap_delete(OTAbitmap *pic);


#define NEGATIVE	1	/* source has white=0, black=1 */
#define REVERSE		2	/* source has righmost as most significant */

/* create a new bitmap
 *
 * width and height are size of the bitmap,
 * data is the entire bitmap; from left-top corner to righ-bottom;
 * if the width is not dividable by 8, the rest of the row is NOT padded 
 * with zeros. bytes are ordered big-endian
 *
 * target: black=0, white=1, most significant leftmost
 *
 * You can generate raw bitmap in Linux (RH 6.0) with following line:
 * %> convert -monochrome input_file target.mono
 *
 * ..which then requires flags REVERSE and NEGATIVE
 *
 * return pointer to created OTAbitmap, or NULL if fails
 */
OTAbitmap *OTAbitmap_create(int width, int height, int depth, Octet *data, int flags);

/* create Octet stream out of given OTAbitmap
 * return the length of stream, *stream is set to new stream which must
 * be freed by the caller
 */
int OTAbitmap_create_stream(OTAbitmap *pic, Octet **stream);


#endif