static cairo_status_t
_put_shm_image (cairo_xcb_surface_t *surface,
xcb_gcontext_t gc,
cairo_image_surface_t *image)
{
#if CAIRO_HAS_XCB_SHM_FUNCTIONS
cairo_xcb_shm_info_t *shm_info;
shm_info = _cairo_user_data_array_get_data (&image->base.user_data,
(const cairo_user_data_key_t *) surface->connection);
if (shm_info == NULL)
return CAIRO_INT_STATUS_UNSUPPORTED;
_cairo_xcb_connection_shm_put_image (surface->connection,
surface->drawable,
gc,
surface->width, surface->height,
0, 0,
image->width, image->height,
image->base.device_transform_inverse.x0,
image->base.device_transform_inverse.y0,
image->depth,
shm_info->shm,
shm_info->offset);
return CAIRO_STATUS_SUCCESS;
#else
return CAIRO_INT_STATUS_UNSUPPORTED;
#endif
}
static cairo_xcb_pixmap_t *
_pixmap_from_image (cairo_xcb_surface_t *target,
xcb_render_pictformat_t format,
cairo_image_surface_t *image,
cairo_xcb_shm_info_t *shm_info)
{
xcb_gcontext_t gc;
cairo_xcb_pixmap_t *pixmap;
pixmap = _cairo_xcb_pixmap_create (target,
image->width,
image->height);
if (unlikely (pixmap->base.status))
return pixmap;
gc = _cairo_xcb_screen_get_gc (target->screen, pixmap->pixmap, image->depth);
if (shm_info != NULL) {
shm_info->seqno =
_cairo_xcb_connection_shm_put_image (target->connection,
pixmap->pixmap, gc,
image->width, image->height,
0, 0,
image->width, image->height,
0, 0,
image->depth,
shm_info->shm,
shm_info->offset);
} else {
int len;
/* Do we need to trim the image? */
len = CAIRO_STRIDE_FOR_WIDTH_BPP (image->width,
PIXMAN_FORMAT_BPP (image->pixman_format));
if (len == image->stride) {
_cairo_xcb_connection_put_image (target->connection,
pixmap->pixmap, gc,
image->width, image->height,
0, 0,
image->depth,
image->stride,
image->data);
} else {
_cairo_xcb_connection_put_subimage (target->connection,
pixmap->pixmap, gc,
0, 0,
image->width, image->height,
PIXMAN_FORMAT_BPP (image->pixman_format) / 8,
image->stride,
0, 0,
image->depth,
image->data);
}
}
_cairo_xcb_screen_put_gc (target->screen, image->depth, gc);
return pixmap;
}
static cairo_int_status_t
_put_shm_image_boxes (cairo_xcb_surface_t *surface,
cairo_image_surface_t *image,
xcb_gcontext_t gc,
cairo_boxes_t *boxes)
{
#if CAIRO_HAS_XCB_SHM_FUNCTIONS
cairo_xcb_shm_info_t *shm_info;
shm_info = _cairo_user_data_array_get_data (&image->base.user_data,
(const cairo_user_data_key_t *) surface->connection);
if (shm_info != NULL) {
struct _cairo_boxes_chunk *chunk;
for (chunk = &boxes->chunks; chunk; chunk = chunk->next) {
int i;
for (i = 0; i < chunk->count; i++) {
cairo_box_t *b = &chunk->base[i];
int x = _cairo_fixed_integer_part (b->p1.x);
int y = _cairo_fixed_integer_part (b->p1.y);
int width = _cairo_fixed_integer_part (b->p2.x - b->p1.x);
int height = _cairo_fixed_integer_part (b->p2.y - b->p1.y);
_cairo_xcb_connection_shm_put_image (surface->connection,
surface->drawable,
gc,
surface->width, surface->height,
x, y,
width, height,
x, y,
image->depth,
shm_info->shm,
shm_info->offset);
}
}
}
return CAIRO_INT_STATUS_SUCCESS;
#endif
return CAIRO_INT_STATUS_UNSUPPORTED;
}
