libtthimage/Lib/pixels.c

/*
 *		PIXELS dot C
 */

#include  <stdio.h>
#include  "../tthimage.h"

/*::------------------------------------------------------------------::*/
int
Image_XOR_pixel(Image_Desc *img, int x, int y, int r, int g, int b)
{
int	pr, pg, pb;

if ( (x<0) || (y<0) || (x>=img->width) || (y>=img->height) )
	{
	fprintf(stderr, "%s : out of pic (%d, %d)\n", __func__, x, y);
	return OUT_OF_IMAGE;
	}

img->Rpix[y][x] ^= r;
img->Gpix[y][x] ^= g;
img->Bpix[y][x] ^= b;

return FULL_NUCKED;
}
/*::------------------------------------------------------------------::*/
int Image_rot_pixel(Image_Desc *img, int x, int y, int r, int g, int b)
{

fprintf(stderr, "%s is wtf\n", __func__);

if ( (x<0) || (y<0) || (x>=img->width) || (y>=img->height) )
	{
	fprintf(stderr, "%s : out of pic (%d, %d)\n", __func__, x, y);
	return OUT_OF_IMAGE;
	}

return 42;
}
/*::------------------------------------------------------------------::*/