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/** \file
* \brief Private Lua 5 Binding Functions
*
* See Copyright Notice in cd.h
*/
#ifndef __CDLUA5_PRIVATE_H
#define __CDLUA5_PRIVATE_H
#ifdef __cplusplus
extern "C" {
#endif
/* context management */
typedef struct _cdluaCallback {
int lock;
const char* name;
cdCallback func;
} cdluaCallback;
typedef struct _cdluaContext {
int id;
const char* name;
cdContext* (*ctx)(void);
void* (*checkdata)(lua_State* L,int param);
cdluaCallback* cb_list;
int cb_n;
} cdluaContext;
typedef struct _cdluaLuaState {
cdCanvas* void_canvas; /* the VOID canvas to avoid a NULL active canvas */
cdluaContext* drivers[50]; /* store the registered drivers, map integer values to cdContext */
int numdrivers;
} cdluaLuaState;
/* metatables */
typedef struct _cdluaStipple {
unsigned char* stipple;
int width;
int height;
long int size;
} cdluaStipple;
typedef struct _cdluaPattern {
long* pattern;
int width;
int height;
long int size;
} cdluaPattern;
/* this is the same declaration used in the IM toolkit for imPalette in Lua */
typedef struct _cdluaPalette {
long* color;
int count;
} cdluaPalette;
typedef struct _cdluaImageRGB {
unsigned char* red;
unsigned char* green;
unsigned char* blue;
int width;
int height;
long int size;
int free;
} cdluaImageRGB;
typedef struct _cdluaImageRGBA {
unsigned char* red;
unsigned char* green;
unsigned char* blue;
unsigned char* alpha;
int width;
int height;
long int size;
int free;
} cdluaImageRGBA;
typedef struct _cdluaImageMap {
unsigned char* index;
int width;
int height;
long int size;
} cdluaImageMap;
typedef struct _cdluaImageChannel {
unsigned char* channel;
long int size;
} cdluaImageChannel;
cdluaLuaState* cdlua_getstate(lua_State* L);
cdluaContext* cdlua_getcontext(lua_State* L, int param);
lua_State* cdlua_getplaystate(void);
void cdlua_setplaystate(lua_State* L);
void cdlua_kill_active(lua_State* L, cdCanvas* canvas);
void cdlua_open_active(lua_State* L, cdluaLuaState* cdL);
void cdlua_open_canvas(lua_State* L);
void cdlua_addcontext(lua_State* L, cdluaLuaState* cdL, cdluaContext* luactx);
void cdlua_initdrivers(lua_State* L, cdluaLuaState* cdL);
cdluaPalette* cdlua_checkpalette(lua_State* L, int param);
cdluaStipple* cdlua_checkstipple(lua_State* L, int param);
cdluaPattern* cdlua_checkpattern(lua_State* L, int param);
cdluaImageRGB* cdlua_checkimagergb(lua_State* L, int param);
cdluaImageRGBA* cdlua_checkimagergba(lua_State* L, int param);
cdluaImageMap* cdlua_checkimagemap(lua_State* L, int param);
cdluaImageChannel* cdlua_checkchannel(lua_State* L, int param);
long cdlua_checkcolor(lua_State* L, int param);
cdImage* cdlua_checkimage(lua_State* L, int param);
cdState* cdlua_checkstate(lua_State* L, int param);
cdBitmap* cdlua_checkbitmap(lua_State* L, int param);
void cdlua_pushpalette(lua_State* L, long* palette, int size);
void cdlua_pushstipple(lua_State* L, unsigned char* stipple, int width, int height);
void cdlua_pushpattern(lua_State* L, long int* pattern, int width, int height);
void cdlua_pushimagergb(lua_State* L, unsigned char* red, unsigned char* green, unsigned char* blue, int width, int height);
void cdlua_pushimagergba(lua_State* L, unsigned char* red, unsigned char* green, unsigned char* blue, unsigned char* alpha, int width, int height);
void cdlua_pushimagemap(lua_State* L, unsigned char* index, int width, int height);
void cdlua_pushchannel(lua_State* L, unsigned char* channel, int size);
void cdlua_pushimage(lua_State* L, cdImage* image);
void cdlua_pushstate(lua_State* L, cdState* state);
void cdlua_pushbitmap(lua_State* L, cdBitmap* bitmap);
void cdlua_pushimagergb_ex(lua_State* L, unsigned char* red, unsigned char* green, unsigned char* blue, int width, int height);
void cdlua_pushimagergba_ex(lua_State* L, unsigned char* red, unsigned char* green, unsigned char* blue, unsigned char* alpha, int width, int height);
#if LUA_VERSION_NUM < 502
#define luaL_typeerror luaL_typerror
#endif
#ifdef __cplusplus
}
#endif
#endif
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