static GObject*
gwy_surface_deserialize(const guchar *buffer,
gsize size,
gsize *position)
{
guint32 datasize = 0;
GwySIUnit *si_unit_xy = NULL, *si_unit_z = NULL;
GwySurface *surface;
GwyXYZ *data = NULL;
GwySerializeSpec spec[] = {
{ 'o', "si_unit_xy", &si_unit_xy, NULL, },
{ 'o', "si_unit_z", &si_unit_z, NULL, },
{ 'D', "data", &data, &datasize, },
};
g_return_val_if_fail(buffer, NULL);
if (!gwy_serialize_unpack_object_struct(buffer, size, position,
GWY_SURFACE_TYPE_NAME,
G_N_ELEMENTS(spec), spec)) {
g_free(data);
GWY_OBJECT_UNREF(si_unit_xy);
GWY_OBJECT_UNREF(si_unit_z);
return NULL;
}
if (datasize % 3 != 0) {
g_critical("Serialized %s data size %u not a multiple of 3",
GWY_SURFACE_TYPE_NAME, datasize);
g_free(data);
GWY_OBJECT_UNREF(si_unit_xy);
GWY_OBJECT_UNREF(si_unit_z);
return NULL;
}
surface = gwy_surface_new();
g_free(surface->data);
surface->data = data;
surface->n = datasize/3;
if (si_unit_z) {
GWY_OBJECT_UNREF(surface->priv->si_unit_z);
surface->priv->si_unit_z = si_unit_z;
}
if (si_unit_xy) {
GWY_OBJECT_UNREF(surface->priv->si_unit_xy);
surface->priv->si_unit_xy = si_unit_xy;
}
return (GObject*)surface;
}
void
test_surface_units_assign(void)
{
GwySurface *surface = gwy_surface_new(), *surface2 = gwy_surface_new();
GwyUnit *xyunit = gwy_surface_get_xyunit(surface);
GwyUnit *zunit = gwy_surface_get_zunit(surface);
guint count_xy = 0;
guint count_z = 0;
g_signal_connect_swapped(xyunit, "changed",
G_CALLBACK(record_signal), &count_xy);
g_signal_connect_swapped(zunit, "changed",
G_CALLBACK(record_signal), &count_z);
gwy_unit_set_from_string(gwy_surface_get_xyunit(surface), "m", NULL);
g_assert_cmpuint(count_xy, ==, 1);
g_assert_cmpuint(count_z, ==, 0);
gwy_unit_set_from_string(gwy_surface_get_zunit(surface), "s", NULL);
g_assert_cmpuint(count_xy, ==, 1);
g_assert_cmpuint(count_z, ==, 1);
gwy_surface_assign(surface, surface2);
g_assert_cmpuint(count_xy, ==, 2);
g_assert_cmpuint(count_z, ==, 2);
g_assert(gwy_surface_get_xyunit(surface) == xyunit);
g_assert(gwy_surface_get_zunit(surface) == zunit);
// Try again to see if the signal counts change.
gwy_surface_assign(surface, surface2);
g_assert_cmpuint(count_xy, ==, 2);
g_assert_cmpuint(count_z, ==, 2);
g_assert(gwy_surface_get_xyunit(surface) == xyunit);
g_assert(gwy_surface_get_zunit(surface) == zunit);
g_object_unref(surface2);
g_object_unref(surface);
}
}
g_object_unref(surface);
}
g_rand_free(rng);
}
void
test_surface_get_data(void)
{
const GwyXYZ data[] = {
{ .x = 1.0, .y = G_PI, .z = -1.25 },
{ .x = 1.5, .y = G_SQRT2, .z = GWY_SQRT3 },
};
guint count_n = 0;
GwySurface *surface = gwy_surface_new();
g_signal_connect_swapped(surface, "notify::n-points",
G_CALLBACK(record_signal), &count_n);
gwy_surface_set_data_full(surface, data, G_N_ELEMENTS(data));
g_assert_cmpuint(count_n, ==, 1);
g_assert_cmpuint(surface->n, ==, G_N_ELEMENTS(data));
g_assert((const GwyXYZ*)surface->data != data);
guint n;
const GwyXYZ *surfacedata = gwy_surface_get_data_full(surface, &n);
g_assert_cmpuint(n, ==, G_N_ELEMENTS(data));
g_assert(surfacedata == (const GwyXYZ*)surface->data);
for (guint i = 0; i < n; i++) {
g_assert_cmpfloat(surfacedata[i].x, ==, data[i].x);
g_assert_cmpfloat(surfacedata[i].y, ==, data[i].y);
g_assert_cmpfloat(surfacedata[i].z, ==, data[i].z);
}
