gfxTeeSurface::gfxTeeSurface(gfxASurface **aSurfaces, int32_t aSurfaceCount)
{
NS_ASSERTION(aSurfaceCount > 0, "Must have a least one surface");
cairo_surface_t *csurf = cairo_tee_surface_create(aSurfaces[0]->CairoSurface());
Init(csurf, false);
for (int32_t i = 1; i < aSurfaceCount; ++i) {
cairo_tee_surface_add(csurf, aSurfaces[i]->CairoSurface());
}
}
static cairo_surface_t *
_cairo_tee_surface_create_similar (void *abstract_surface,
cairo_content_t content,
int width,
int height)
{
cairo_tee_surface_t *other = abstract_surface;
cairo_surface_t *similar;
cairo_surface_t *surface;
cairo_surface_wrapper_t *slaves;
int n, num_slaves;
similar = _cairo_surface_wrapper_create_similar (&other->master,
content, width, height);
surface = cairo_tee_surface_create (similar);
cairo_surface_destroy (similar);
if (unlikely (surface->status))
return surface;
num_slaves = _cairo_array_num_elements (&other->slaves);
slaves = _cairo_array_index (&other->slaves, 0);
for (n = 0; n < num_slaves; n++) {
similar = _cairo_surface_wrapper_create_similar (&slaves[n],
content,
width, height);
cairo_tee_surface_add (surface, similar);
cairo_surface_destroy (similar);
}
if (unlikely (surface->status)) {
cairo_status_t status = surface->status;
cairo_surface_destroy (surface);
surface = _cairo_surface_create_in_error (status);
}
return surface;
}