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/*
* Pure Data Packet system implementation. 8 bit image packet interface
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
This file contains methods for the image packets
pdp_packet_new_* methods are several image packet constructors
It also contains some pdp_type_ methods, for type checking
and conversion.
*/
#ifndef PDP_BITMAP_H
#define PDP_BITMAP_H
/* bitmap data packet */
typedef struct _bitmap
{
/* standard images */
unsigned int encoding; /* image encoding (fourcc data format) */
unsigned int width; /* image width in pixels */
unsigned int height; /* image height in pixels */
unsigned int bpp; /* bits per pixel (0 == standard) */
} t_bitmap;
/* supported encodings (fourcc) */
/* special */
#define PDP_BITMAP_RGB 0x32424752
#define PDP_BITMAP_RGBA 0x41424752
#define PDP_BITMAP_GREY 0x59455247
/* packet yuv */
#define PDP_BITMAP_YUY2 0x32595559
#define PDP_BITMAP_UYVY 0x59565955
/* planar yuv */
#define PDP_BITMAP_I420 0x30323449
#define PDP_BITMAP_YV12 0x32315659
/* all symbols are C style */
#ifdef __cplusplus
extern "C"
{
#endif
/* bitmap constructors*/
int pdp_packet_new_bitmap_yv12(u32 width, u32 height);
int pdp_packet_new_bitmap_grey(u32 width, u32 height);
int pdp_packet_new_bitmap_rgb(u32 width, u32 height);
int pdp_packet_new_bitmap_rgba(u32 width, u32 height);
int pdp_packet_new_bitmap(int type, u32 width, u32 height);
/* utility methids */
void pdp_packet_bitmap_flip_top_bottom(int packet);
/* get description */
t_pdp_symbol *pdp_packet_bitmap_get_description(int packet);
/* get subheader */
t_bitmap *pdp_packet_bitmap_info(int packet);
int pdp_packet_bitmap_isvalid(int packet);
#ifdef __cplusplus
}
#endif
#endif
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