static void
mask_extract(GwyContainer *data, GwyRunType run)
{
GwyDataField *dfield;
GwySIUnit *siunit;
gint oldid, newid;
g_return_if_fail(run & MASKOPS_RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_MASK_FIELD, &dfield,
GWY_APP_DATA_FIELD_ID, &oldid,
0);
g_return_if_fail(dfield);
dfield = gwy_data_field_duplicate(dfield);
gwy_data_field_clamp(dfield, 0.0, 1.0);
/* Other functions should set the units correctly, but do not trust them */
siunit = gwy_si_unit_new("");
gwy_data_field_set_si_unit_z(dfield, siunit);
g_object_unref(siunit);
newid = gwy_app_data_browser_add_data_field(dfield, data, TRUE);
g_object_unref(dfield);
gwy_app_set_data_field_title(data, newid, _("Mask"));
gwy_app_channel_log_add_proc(data, oldid, newid);
}
static void
selection_finished_cb(GwyUnitoolState *state)
{
GwyContainer *data;
GObject *dfield;
GwyDataField *mask = NULL;
GwyDataViewLayer *layer;
ToolControls *controls;
GwySIUnit *siunit;
gint isel[4];
controls = (ToolControls*)state->user_data;
layer = GWY_DATA_VIEW_LAYER(state->layer);
data = gwy_data_view_get_data(GWY_DATA_VIEW(layer->parent));
dfield = gwy_container_get_object_by_name(data, "/0/data");
gwy_container_gis_object_by_name(data, "/0/mask", (GObject**)&mask);
gwy_unitool_rect_info_table_fill(state, &controls->labels, NULL, isel);
switch (controls->mode) {
case MASK_EDIT_SET:
gwy_app_undo_checkpoint(data, "/0/mask", NULL);
if (!mask) {
mask = GWY_DATA_FIELD(gwy_serializable_duplicate(dfield));
siunit = GWY_SI_UNIT(gwy_si_unit_new(""));
gwy_data_field_set_si_unit_z(mask, siunit);
g_object_unref(siunit);
gwy_container_set_object_by_name(data, "/0/mask", (GObject*)mask);
g_object_unref(mask);
}
gwy_data_field_fill(mask, 0.0);
gwy_data_field_area_fill(mask, isel[0], isel[1], isel[2], isel[3],
1.0);
break;
case MASK_EDIT_ADD:
gwy_app_undo_checkpoint(data, "/0/mask", NULL);
if (!mask) {
mask = GWY_DATA_FIELD(gwy_serializable_duplicate(dfield));
siunit = GWY_SI_UNIT(gwy_si_unit_new(""));
gwy_data_field_set_si_unit_z(mask, siunit);
g_object_unref(siunit);
gwy_container_set_object_by_name(data, "/0/mask", (GObject*)mask);
g_object_unref(mask);
gwy_data_field_fill(mask, 0.0);
}
gwy_data_field_area_fill(mask, isel[0], isel[1], isel[2], isel[3],
1.0);
break;
case MASK_EDIT_REMOVE:
if (mask) {
gwy_app_undo_checkpoint(data, "/0/mask", NULL);
gwy_data_field_area_fill(mask, isel[0], isel[1], isel[2], isel[3],
0.0);
}
break;
case MASK_EDIT_INTERSECT:
if (mask) {
gwy_app_undo_checkpoint(data, "/0/mask", NULL);
gwy_data_field_clamp(mask, 0.0, 1.0);
gwy_data_field_area_add(mask, isel[0], isel[1], isel[2], isel[3],
1.0);
gwy_data_field_add(mask, -1.0);
gwy_data_field_clamp(mask, 0.0, 1.0);
}
break;
default:
break;
}
gwy_vector_layer_unselect(GWY_VECTOR_LAYER(layer));
gwy_app_data_view_update(layer->parent);
}
