#ifndef __PICTURE_H
#define __PICTURE_H

#include "defs.hpp"
#include "pixel.hpp"
#include "rect.hpp"
#include "memory.hpp"

#define  PICTURE_NO_COLOUR_KEY 0x8000

typedef struct
{
   Pixel*    surface;
   Pixel**   table;

   Pixel**  pixels;
   
   Rect  rect;         
   int   width;
   int   height;
   int   pitch;
   int   x;
   int   y;
   int   lineheight;
   Pixel color;
} Picture;

void  PictureCreate(Picture*, int, int, Pixel* = NULL, int = 0);
void  PictureDelete(Picture*);
void  PictureWindow(Picture*, Picture*, int, int, int, int);
void  PictureClear(Picture*, int);
void  PictureSavePPM(Picture* channel, char* filename);
void  PictureRead(Picture*, FILE*);
void  PictureWrite(Picture*, FILE*);
void  PictureLoad(Picture* dst, char* name);

#define  PICTURE_FILL   3
#define  PICTURE_COPY   4
#define  PICTURE_FX_OR  5
#define  PICTURE_BLEND  6
#define  PICTURE_ADD    7

void
PictureCopy(
   int effect,
   Picture*    dst, int x1, int y1, int x2, int y2,
   Picture*    src, int u1, int v1, int u2, int v2,
   Picture*    zb, Pixel z, Pixel);
   
void     PictureBlitRect(Picture* dst, Rect r, Pixel pixel);
void     PictureBlitSprite(Picture*, Picture*, int, int);

void           PictureArrayDelete(Picture*);
Picture*       PictureArrayCreate(int);
Picture*       PictureArrayRead(FILE*);
void           PictureArrayWrite(Picture*, FILE*);
      
#endif