v_video.h

#ifndef __V_VIDEO__
#define __V_VIDEO__

#define CR_DEFAULT                      CR_RED
#define NUM_SCREENS                     6

extern const byte *colrngs[];

typedef enum
{

    CR_BRICK,
    CR_TAN,
    CR_GRAY,
    CR_GREEN,
    CR_BROWN,
    CR_GOLD,
    CR_RED,
    CR_BLUE,
    CR_ORANGE,
    CR_YELLOW,
    CR_BLUE2,
    CR_LIMIT

} crange_idx_e;

typedef struct
{

    byte *data;
    boolean not_on_heap;
    int width;
    int height;
    int byte_pitch;
    int short_pitch;
    int int_pitch;

} screeninfo_t;

typedef struct
{

    int x, y;

} fpoint_t;

typedef struct
{
    fpoint_t a, b;

} fline_t;

extern screeninfo_t screens[NUM_SCREENS];

void V_InitMode();
void V_Init(void);
typedef void (*V_CopyRect_f)(int srcx, int srcy, int srcscrn, int width, int height, int destx, int desty, int destscrn, enum patch_translation_e flags);
extern V_CopyRect_f V_CopyRect;
typedef void (*V_FillRect_f)(int scrn, int x, int y, int width, int height, byte colour);
extern V_FillRect_f V_FillRect;
typedef void (*V_DrawNumPatch_f)(int x, int y, int scrn, int lump, int cm, enum patch_translation_e flags);
extern V_DrawNumPatch_f V_DrawNumPatch;

#define V_DrawNamePatch(x,y,s,n,t,f) V_DrawNumPatch(x,y,s,W_GetNumForName(n),t,f)
#define V_NamePatchWidth(name) R_NumPatchWidth(W_GetNumForName(name))
#define V_NamePatchHeight(name) R_NumPatchHeight(W_GetNumForName(name))

typedef void (*V_DrawBackground_f)(const char* flatname, int scrn);
extern V_DrawBackground_f V_DrawBackground;
void V_SetPalette(int pal);
typedef void (*V_PlotPixel_f)(int,int,int,byte);
extern V_PlotPixel_f V_PlotPixel;
typedef void (*V_DrawLine_f)(fline_t* fl, int color);
extern V_DrawLine_f V_DrawLine;
void V_AllocScreen(screeninfo_t *scrn);
void V_AllocScreens();
void V_FreeScreen(screeninfo_t *scrn);
void V_FreeScreens();

#endif