uint64_t hton64(uint64_t host)
{
uint64_t u = host;
if(get_byte_order() == FF_LITTLE_ENDIAN)
{
uint8_t *ptr_host = (uint8_t *)&host;
uint8_t *ptr_u = (uint8_t *)&u;
int i, j;
for(i = 0, j = 7; i < 8; ++i, --j)
ptr_u[i] = ptr_host[j];
}
return u;
}
uint64_t ntoh64(uint64_t net)
{
uint64_t u = net;
if(get_byte_order() == FF_LITTLE_ENDIAN)
{
uint8_t *ptr_net = (uint8_t *)&net;
uint8_t *ptr_u = (uint8_t *)&u;
int i, j;
for(i = 0, j = 7; i < 8; ++i, --j)
ptr_u[i] = ptr_net[j];
}
return u;
}
void create_image_from_buffer(image_t *image) {
if (image->depth >= 24) {
image->img = XCreateImage(image->dis, CopyFromParent, image->depth, ZPixmap, 0,
(char *)image->buf, image->width, image->height, 32, 0);
} else if (image->depth >= 15) {
image->img = XCreateImage(image->dis, CopyFromParent, image->depth, ZPixmap, 0,
(char *)image->buf, image->width, image->height, 16, 0);
}
//XInitImage(image->img);
// set the byte order for use with XPutImage
if ((LSBFirst == get_byte_order())) {
image->img->byte_order = LSBFirst;
} else {
image->img->byte_order = MSBFirst;
}
// bitmap_bit_order doesn't matter with ZPixmap
image->img->bitmap_bit_order = MSBFirst;
/*
* Most X servers use 32-bit arrays for 24-bit depth, which is easy
* and fast to fill out.
*
* We assume this too, so force 32-bit data if depth is 24.
*/
if (image->img->depth >= 24)
image->img->bits_per_pixel = 32;
image->img->bytes_per_line =
image->img->width * image->img->bits_per_pixel / 8;
return;
}
