// Create copy of src_img with web safe colors
void webify( img *src_img, char *dst_name ) {
long pixel, color, old_pixel, new_pixel, error[3] = {0,0,0} ;
img *dst_img = copy_img( "hw9", src_img ) ;
// With dithering
for( pixel = 0 ; pixel < dst_img->size / dst_img->colors ; pixel++ ) {
for( color = 0 ; color < dst_img->colors ; color++ ) {
old_pixel = CAP( dst_img->image[color * dst_img->rows * dst_img->cols + pixel] + error[color] ) ;
new_pixel = CAP( recolor_for_web( old_pixel )) ;
error[color] = old_pixel - new_pixel ;
dst_img->image[color * dst_img->rows * dst_img->cols + pixel] = new_pixel ;
}
}
write_img( "hw9", dst_img, dst_name ) ;
return ;
}
Card::Card(const image* img, int _chars) :
chars(_chars)
{
skin = copy_img(img);
}
