RosettaCodeData/Task/Bitmap/C/bitmap-1.c

42 lines
961 B
C

#ifndef _IMGLIB_0
#define _IMGLIB_0
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <math.h>
#include <sys/queue.h>
typedef unsigned char color_component;
typedef color_component pixel[3];
typedef struct {
unsigned int width;
unsigned int height;
pixel * buf;
} image_t;
typedef image_t * image;
image alloc_img(unsigned int width, unsigned int height);
void free_img(image);
void fill_img(image img,
color_component r,
color_component g,
color_component b );
void put_pixel_unsafe(
image img,
unsigned int x,
unsigned int y,
color_component r,
color_component g,
color_component b );
void put_pixel_clip(
image img,
unsigned int x,
unsigned int y,
color_component r,
color_component g,
color_component b );
#define GET_PIXEL(IMG, X, Y) (IMG->buf[ ((Y) * IMG->width + (X)) ])
#endif