static void plot_correlated(GwyDataField *retfield, gint xsize, gint ysize, gdouble threshold) { GwyDataField *tmp; gint xres, yres, i, j, col, row, w, h; const gdouble *data; tmp = gwy_data_field_duplicate(retfield); gwy_data_field_clear(retfield); xres = gwy_data_field_get_xres(retfield); yres = gwy_data_field_get_yres(retfield); data = gwy_data_field_get_data_const(tmp); /* FIXME: this is very inefficient */ for (i = 0; i < yres; i++) { row = MAX(i - ysize/2, 0); h = MIN(i + ysize - ysize/2, yres) - row; for (j = 0; j < xres; j++) { if (data[i*xres + j] > threshold) { col = MAX(j - xsize/2, 0); w = MIN(j + xsize - xsize/2, xres) - col; gwy_data_field_area_fill(retfield, col, row, w, h, 1.0); } } } g_object_unref(tmp); }
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); }