gboolean gimp_curves_config_load_cruft (GimpCurvesConfig *config, GInputStream *input, GError **error) { GDataInputStream *data_input; gint index[5][GIMP_CURVE_N_CRUFT_POINTS]; gint value[5][GIMP_CURVE_N_CRUFT_POINTS]; gchar *line; gsize line_len; gint i, j; g_return_val_if_fail (GIMP_IS_CURVES_CONFIG (config), FALSE); g_return_val_if_fail (G_IS_INPUT_STREAM (input), FALSE); g_return_val_if_fail (error == NULL || *error == NULL, FALSE); data_input = g_data_input_stream_new (input); line_len = 64; line = g_data_input_stream_read_line (data_input, &line_len, NULL, error); if (! line) return FALSE; if (strcmp (line, "# GIMP Curves File") != 0) { g_set_error_literal (error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_PARSE, _("not a GIMP Curves file")); g_object_unref (data_input); g_free (line); return FALSE; } for (i = 0; i < 5; i++) { for (j = 0; j < GIMP_CURVE_N_CRUFT_POINTS; j++) { gchar *x_str = NULL; gchar *y_str = NULL; if (! (x_str = g_data_input_stream_read_upto (data_input, " ", -1, NULL, NULL, error)) || ! g_data_input_stream_read_byte (data_input, NULL, error) || ! (y_str = g_data_input_stream_read_upto (data_input, " ", -1, NULL, NULL, error)) || ! g_data_input_stream_read_byte (data_input, NULL, error)) { g_free (x_str); g_free (y_str); g_object_unref (data_input); return FALSE; } if (sscanf (x_str, "%d", &index[i][j]) != 1 || sscanf (y_str, "%d", &value[i][j]) != 1) { g_set_error_literal (error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_PARSE, _("Parse error, didn't find 2 integers")); g_free (x_str); g_free (y_str); g_object_unref (data_input); return FALSE; } g_free (x_str); g_free (y_str); } } g_object_unref (data_input); g_object_freeze_notify (G_OBJECT (config)); for (i = 0; i < 5; i++) { GimpCurve *curve = config->curve[i]; gimp_data_freeze (GIMP_DATA (curve)); gimp_curve_set_curve_type (curve, GIMP_CURVE_SMOOTH); gimp_curve_set_n_points (curve, GIMP_CURVE_N_CRUFT_POINTS); gimp_curve_reset (curve, FALSE); for (j = 0; j < GIMP_CURVE_N_CRUFT_POINTS; j++) { if (index[i][j] < 0 || value[i][j] < 0) gimp_curve_set_point (curve, j, -1.0, -1.0); else gimp_curve_set_point (curve, j, (gdouble) index[i][j] / 255.0, (gdouble) value[i][j] / 255.0); } gimp_data_thaw (GIMP_DATA (curve)); } g_object_thaw_notify (G_OBJECT (config)); return TRUE; }
static void gimp_curve_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { GimpCurve *curve = GIMP_CURVE (object); switch (property_id) { case PROP_CURVE_TYPE: gimp_curve_set_curve_type (curve, g_value_get_enum (value)); break; case PROP_N_POINTS: gimp_curve_set_n_points (curve, g_value_get_int (value)); break; case PROP_POINTS: { GimpValueArray *array = g_value_get_boxed (value); gint length; gint i; if (! array) break; length = gimp_value_array_length (array); for (i = 0; i < curve->n_points && i * 2 < length; i++) { GValue *x = gimp_value_array_index (array, i * 2); GValue *y = gimp_value_array_index (array, i * 2 + 1); curve->points[i].x = g_value_get_double (x); curve->points[i].y = g_value_get_double (y); } } break; case PROP_N_SAMPLES: gimp_curve_set_n_samples (curve, g_value_get_int (value)); break; case PROP_SAMPLES: { GimpValueArray *array = g_value_get_boxed (value); gint length; gint i; if (! array) break; length = gimp_value_array_length (array); for (i = 0; i < curve->n_samples && i < length; i++) { GValue *v = gimp_value_array_index (array, i); curve->samples[i] = g_value_get_double (v); } } break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } }