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#include <stdio.h>
#include "X11/Xlib.h"
struct image;
struct imageformat{
struct image *(*open)(FILE *);
void (*prep)(struct image *);
int (*read)(struct image *);
void (*close)(struct image *);
};
typedef enum{
NONE,
FASTLOADED,
FASTSCALED,
FASTDRAWN,
LOADED,
FASTSCALED2,
FASTDRAWN2,
SCALED,
DRAWN,
ERROR
} imgstate;
struct image{
unsigned char *buf;
unsigned int bufwidth, bufheight;
struct imageformat *fmt;
imgstate state;
XImage *ximg;
};
/* scale */
void scale(struct image *img, unsigned int width, unsigned int height, unsigned int bytesperline, char* __restrict__ newBuf);
void nearestscale(struct image *img, unsigned int width, unsigned int height, unsigned int bytesperline, char* __restrict__ newBuf);
/* XLib */
void setaspect(unsigned int w, unsigned int h);
void xinit();
void drawimage(XImage *ximg, unsigned int width, unsigned int height);
XImage *getimage(struct image *img, unsigned int width, unsigned int height, int fast);
void freeXImg(XImage *ximg);
#ifdef TDEBUG
#define TDEBUG_START \
struct timeval t0;\
struct timeval t1;\
gettimeofday(&t0, NULL);
#define TDEBUG_END(x) \
gettimeofday(&t1, NULL); \
printf("%s: %li e2 us\n", (x), ((t1.tv_sec - t0.tv_sec) * 1000000 + t1.tv_usec - t0.tv_usec) / 100);
#else
#define TDEBUG_START
#define TDEBUG_END(x)
#endif
/* Supported Formats */
extern struct imageformat libjpeg;
extern struct imageformat giflib;
extern struct imageformat libpng;
extern struct imageformat bmp;
extern struct imageformat netpbm;
extern struct imageformat imagemagick;
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