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/*
* Copyright � 2006-2013 SplinterGU (Fenix/Bennugd)
* Copyright � 2002-2006 Fenix Team (Fenix)
* Copyright � 1999-2002 Jos� Luis Cebri�n Pag�e (Fenix)
*
* This file is part of Bennu - Game Development
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*/
#ifndef __BITMAP_H
#define __BITMAP_H
#include "g_pal.h"
/* --------------------------------------------------------------------------- */
#define GI_NOCOLORKEY 0x00000001 /* info_flags bits */
#define GI_CLEAN 0x40000000 /* the graphic is clean (no data) */
#define GI_EXTERNAL_DATA 0x80000000 /* data area is external, it don't belong to bitmap */
#define GI_ANALIZE_MASK GI_NOCOLORKEY
#define CPOINT_UNDEFINED 32767 /* It's enough if X is set to this value */
/* --------------------------------------------------------------------------- */
typedef struct _cpoint
{
short int x;
short int y;
}
CPOINT;
typedef struct _pixel_format
{
PALETTE * palette; /* Palette for 8 bits graphics */
uint8_t depth; /* bits per pixel */
uint8_t depthb; /* bytes per pixel */
uint8_t Rloss;
uint8_t Gloss;
uint8_t Bloss;
uint8_t Aloss;
uint8_t Rshift;
uint8_t Gshift;
uint8_t Bshift;
uint8_t Ashift;
uint32_t Rmask;
uint32_t Gmask;
uint32_t Bmask;
uint32_t Amask;
}
PIXEL_FORMAT;
typedef struct _bitmap
{
int code; /* Identifier of the graphic (in the graphic library) */
char name[ 64 ]; /* Name of the graphic */
uint32_t width; /* Width of a bitmap frame in pixels */
uint32_t height; /* Height of a bitmap frame in pixels */
uint32_t pitch; /* Bytes of distance between bitmap lines */
uint32_t widthb; /* Width of a bitmap frame in bytes */
PIXEL_FORMAT * format; /* Pixel format */
/* Runtime use */
int modified; /* 0 - bitmap not modified
1 - bitmap is modified
2 - bitmap is modified and needs analysis
*/
int info_flags; /* Analysis result (see bitmap_analize) */
void * data; /* Pointer to the bitmap data at current frame */
uint32_t ncpoints; /* Number of control points */
CPOINT * cpoints; /* Pointer to the control points ([0] = center) */
/* Blend Ops */
int16_t * blend_table; /* Pointer to 16 bits blend table if any */
/* Linked list of all bitmaps in memory */
/*
struct _bitmap * next;
struct _bitmap * prev;
*/
}
GRAPH;
/* --------------------------------------------------------------------------- */
extern GRAPH * bitmap_new( int code, int w, int h, int depth );
extern GRAPH * bitmap_new_ex( int code, int w, int h, int depth, void * data, int pitch );
extern GRAPH * bitmap_clone( GRAPH * t );
extern GRAPH * bitmap_new_syslib( int w, int h, int depth );
extern void bitmap_destroy( GRAPH * map );
extern void bitmap_destroy_fake( GRAPH * map );
extern void bitmap_add_cpoint( GRAPH *map, int x, int y );
extern void bitmap_set_cpoint( GRAPH * map, uint32_t point, int x, int y );
extern void bitmap_analize( GRAPH * bitmap );
extern PIXEL_FORMAT * bitmap_create_format( int bpp );
extern int bitmap_next_code();
/* --------------------------------------------------------------------------- */
#endif
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